1 | /* solaris */ |
1 | #include "libeio/xthread.h" |
2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
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3 | |
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4 | #if __linux && !defined(_GNU_SOURCE) |
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5 | # define _GNU_SOURCE |
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6 | #endif |
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7 | |
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8 | /* just in case */ |
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9 | #define _REENTRANT 1 |
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10 | |
2 | |
11 | #include <errno.h> |
3 | #include <errno.h> |
12 | |
4 | |
13 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
14 | #include "perl.h" |
6 | #include "perl.h" |
15 | #include "XSUB.h" |
7 | #include "XSUB.h" |
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8 | #include "perliol.h" |
16 | |
9 | |
17 | #include "autoconf/config.h" |
10 | #if !defined mg_findext |
18 | |
11 | # define mg_findext(sv,type,vtbl) mg_find (sv, type) |
19 | #include <pthread.h> |
12 | #endif |
20 | |
13 | |
21 | #include <stddef.h> |
14 | #include <stddef.h> |
22 | #include <stdlib.h> |
15 | #include <stdlib.h> |
23 | #include <errno.h> |
16 | #include <errno.h> |
24 | #include <sys/time.h> |
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25 | #include <sys/select.h> |
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26 | #include <sys/types.h> |
17 | #include <sys/types.h> |
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18 | #include <sys/socket.h> |
27 | #include <sys/stat.h> |
19 | #include <sys/stat.h> |
28 | #include <limits.h> |
20 | #include <limits.h> |
29 | #include <unistd.h> |
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30 | #include <fcntl.h> |
21 | #include <fcntl.h> |
31 | #include <signal.h> |
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32 | #include <sched.h> |
22 | #include <sched.h> |
33 | |
23 | |
34 | #if HAVE_SENDFILE |
24 | /* the incompetent fool that created musl keeps __linux__, refuses |
35 | # if __linux |
25 | * to implement any linux standard apis, and also has no way to test |
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26 | * for his broken iplementation. don't complain to me if this fails |
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27 | * for you. |
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28 | */ |
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29 | #if __linux__ && (defined __GLIBC__ || defined __UCLIBC__) |
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30 | # include <linux/fs.h> |
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31 | # ifdef FS_IOC_FIEMAP |
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32 | # include <linux/types.h> |
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33 | # include <linux/fiemap.h> |
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34 | # define HAVE_FIEMAP 1 |
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35 | # endif |
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36 | #endif |
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37 | |
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38 | /* perl namespace pollution */ |
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39 | #undef VERSION |
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40 | |
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41 | /* perl stupidly overrides readdir and maybe others */ |
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42 | /* with thread-unsafe versions, imagine that :( */ |
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43 | #undef readdir |
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44 | #undef opendir |
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45 | #undef closedir |
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46 | |
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47 | #ifdef _WIN32 |
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48 | |
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49 | // perl overrides all those nice libc functions |
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50 | |
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51 | #undef malloc |
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52 | #undef free |
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53 | #undef open |
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54 | #undef read |
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55 | #undef write |
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56 | #undef send |
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57 | #undef recv |
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58 | #undef stat |
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59 | #undef lstat |
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60 | #undef fstat |
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61 | #undef truncate |
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62 | #undef ftruncate |
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63 | #undef open |
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64 | #undef link |
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65 | #undef close |
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66 | #undef unlink |
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67 | #undef mkdir |
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68 | #undef rmdir |
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69 | #undef rename |
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70 | #undef lseek |
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71 | #undef opendir |
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72 | #undef readdir |
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73 | #undef closedir |
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74 | #undef chmod |
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75 | #undef fchmod |
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76 | #undef dup |
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77 | #undef dup2 |
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78 | #undef abort |
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79 | #undef pipe |
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80 | #undef utime |
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81 | |
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82 | #define EIO_STRUCT_STAT struct _stati64 |
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83 | #define EIO_STRUCT_STATI64 |
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84 | |
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85 | #else |
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86 | |
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87 | #include <sys/time.h> |
36 | # include <sys/sendfile.h> |
88 | #include <sys/select.h> |
37 | # elif __freebsd |
89 | #include <unistd.h> |
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90 | #include <utime.h> |
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91 | #include <signal.h> |
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92 | |
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93 | #define EIO_STRUCT_STAT Stat_t |
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94 | |
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95 | #endif |
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96 | |
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97 | /*****************************************************************************/ |
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98 | |
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99 | #if __GNUC__ >= 3 |
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100 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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101 | #else |
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102 | # define expect(expr,value) (expr) |
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103 | #endif |
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104 | |
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105 | #define expect_false(expr) expect ((expr) != 0, 0) |
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106 | #define expect_true(expr) expect ((expr) != 0, 1) |
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107 | |
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108 | /*****************************************************************************/ |
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109 | |
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110 | #include "config.h" |
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111 | |
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112 | #if HAVE_SYS_MKDEV_H |
38 | # include <sys/socket.h> |
113 | # include <sys/mkdev.h> |
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114 | #elif HAVE_SYS_SYSMACROS_H |
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115 | # include <sys/sysmacros.h> |
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116 | #endif |
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117 | |
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118 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
39 | # include <sys/uio.h> |
119 | # include <sys/mman.h> |
40 | # elif __hpux |
120 | #endif |
41 | # include <sys/socket.h> |
121 | |
42 | # elif __solaris /* not yet */ |
122 | #if HAVE_ST_XTIMENSEC |
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123 | # define ATIMENSEC PL_statcache.st_atimensec |
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124 | # define MTIMENSEC PL_statcache.st_mtimensec |
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125 | # define CTIMENSEC PL_statcache.st_ctimensec |
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126 | #elif HAVE_ST_XTIMESPEC |
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127 | # define ATIMENSEC PL_statcache.st_atim.tv_nsec |
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128 | # define MTIMENSEC PL_statcache.st_mtim.tv_nsec |
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129 | # define CTIMENSEC PL_statcache.st_ctim.tv_nsec |
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130 | #else |
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131 | # define ATIMENSEC 0 |
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132 | # define MTIMENSEC 0 |
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133 | # define CTIMENSEC 0 |
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134 | #endif |
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135 | |
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136 | #if HAVE_ST_BIRTHTIMENSEC |
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137 | # define BTIMESEC PL_statcache.st_birthtime |
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138 | # define BTIMENSEC PL_statcache.st_birthtimensec |
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139 | #elif HAVE_ST_BIRTHTIMESPEC |
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140 | # define BTIMESEC PL_statcache.st_birthtim.tv_sec |
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141 | # define BTIMENSEC PL_statcache.st_birthtim.tv_nsec |
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142 | #else |
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143 | # define BTIMESEC 0 |
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144 | # define BTIMENSEC 0 |
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145 | #endif |
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146 | |
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147 | #if HAVE_ST_GEN |
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148 | # define ST_GEN PL_statcache.st_gen |
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149 | #else |
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150 | # define ST_GEN 0 |
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151 | #endif |
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152 | |
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153 | #include "schmorp.h" |
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154 | |
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155 | #if HAVE_EVENTFD |
43 | # include <sys/sendfile.h> |
156 | # include <sys/eventfd.h> |
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157 | #endif |
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158 | |
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159 | #if HAVE_TIMERFD |
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160 | # include <sys/timerfd.h> |
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161 | #endif |
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162 | |
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163 | #if HAVE_RLIMITS |
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164 | #include <sys/time.h> |
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165 | #include <sys/resource.h> |
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166 | #endif |
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167 | |
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168 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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169 | typedef int aio_rfd; /* read file desriptor */ |
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170 | typedef int aio_wfd; /* write file descriptor */ |
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171 | |
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172 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
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173 | |
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174 | #define EIO_REQ_MEMBERS \ |
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175 | SV *callback; \ |
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176 | SV *sv1, *sv2; \ |
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177 | SV *sv3, *sv4; \ |
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178 | STRLEN stroffset; \ |
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179 | SV *self; |
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180 | |
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181 | #define EIO_NO_WRAPPERS 1 |
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182 | |
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183 | #include "libeio/eio.h" |
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184 | |
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185 | static int req_invoke (eio_req *req); |
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186 | #define EIO_FINISH(req) req_invoke (req) |
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187 | static void req_destroy (eio_req *grp); |
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188 | #define EIO_DESTROY(req) req_destroy (req) |
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189 | |
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190 | #include "libeio/eio.c" |
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191 | |
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192 | #if !HAVE_POSIX_FADVISE |
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193 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
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194 | #endif |
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195 | |
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196 | #if !HAVE_POSIX_MADVISE |
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197 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
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198 | #endif |
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199 | |
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200 | #ifndef MAP_ANONYMOUS |
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201 | # ifdef MAP_ANON |
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202 | # define MAP_ANONYMOUS MAP_ANON |
44 | # else |
203 | # else |
45 | # error sendfile support requested but not available |
204 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
46 | # endif |
205 | # endif |
47 | #endif |
206 | #endif |
48 | |
207 | |
49 | /* number of seconds after which idle threads exit */ |
208 | #ifndef makedev |
50 | #define IDLE_TIMEOUT 10 |
209 | # define makedev(maj,min) (((maj) << 8) | (min)) |
51 | |
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52 | /* used for struct dirent, AIX doesn't provide it */ |
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53 | #ifndef NAME_MAX |
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54 | # define NAME_MAX 4096 |
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55 | #endif |
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56 | |
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57 | #ifndef PTHREAD_STACK_MIN |
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58 | /* care for broken platforms, e.g. windows */ |
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59 | # define PTHREAD_STACK_MIN 16384 |
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60 | #endif |
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61 | |
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62 | #if __ia64 |
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63 | # define STACKSIZE 65536 |
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64 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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65 | # define STACKSIZE PTHREAD_STACK_MIN |
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66 | #else |
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67 | # define STACKSIZE 16384 |
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68 | #endif |
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69 | |
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70 | /* wether word reads are potentially non-atomic. |
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71 | * this is conservatice, likely most arches this runs |
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72 | * on have atomic word read/writes. |
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73 | */ |
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74 | #ifndef WORDACCESS_UNSAFE |
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75 | # if __i386 || __x86_64 |
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76 | # define WORDACCESS_UNSAFE 0 |
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77 | # else |
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78 | # define WORDACCESS_UNSAFE 1 |
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79 | # endif |
210 | #endif |
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211 | #ifndef major |
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212 | # define major(dev) ((dev) >> 8) |
80 | #endif |
213 | #endif |
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214 | #ifndef minor |
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215 | # define minor(dev) ((dev) & 0xff) |
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216 | #endif |
81 | |
217 | |
82 | /* buffer size for various temporary buffers */ |
218 | /* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */ |
83 | #define AIO_BUFSIZE 65536 |
219 | #ifdef __sun |
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220 | # undef PAGESIZE |
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221 | #endif |
84 | |
222 | |
85 | #define dBUF \ |
223 | #if PAGESIZE <= 0 |
86 | char *aio_buf; \ |
224 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
87 | LOCK (wrklock); \ |
225 | #endif |
88 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
226 | |
89 | UNLOCK (wrklock); \ |
227 | /*****************************************************************************/ |
90 | if (!aio_buf) \ |
228 | |
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229 | #if !_POSIX_MAPPED_FILES |
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230 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1) |
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231 | # define munmap(addr,length) EIO_ENOSYS () |
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232 | #endif |
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233 | |
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234 | #if !_POSIX_MEMORY_PROTECTION |
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235 | # define mprotect(addr,len,prot) EIO_ENOSYS () |
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236 | #endif |
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237 | |
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238 | #if !MREMAP_MAYMOVE |
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239 | # define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1) |
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240 | #endif |
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241 | |
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242 | #define FOREIGN_MAGIC PERL_MAGIC_ext |
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243 | |
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244 | static int ecb_cold |
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245 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
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246 | { |
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247 | int old_errno = errno; |
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248 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
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249 | errno = old_errno; |
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250 | |
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251 | mg->mg_obj = 0; /* just in case */ |
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252 | |
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253 | SvREADONLY_off (sv); |
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254 | |
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255 | if (SvPVX (sv) != mg->mg_ptr) |
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256 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
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257 | |
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258 | SvCUR_set (sv, 0); |
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259 | SvPVX (sv) = 0; |
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260 | SvOK_off (sv); |
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261 | |
91 | return -1; |
262 | return 0; |
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263 | } |
92 | |
264 | |
93 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
265 | static MGVTBL mmap_vtbl = { |
94 | |
266 | 0, 0, 0, 0, mmap_free |
95 | enum { |
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96 | REQ_QUIT, |
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97 | REQ_OPEN, REQ_CLOSE, |
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98 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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99 | REQ_SENDFILE, |
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100 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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101 | REQ_FSYNC, REQ_FDATASYNC, |
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102 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
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103 | REQ_MKNOD, REQ_READDIR, |
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104 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
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105 | REQ_GROUP, REQ_NOP, |
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106 | REQ_BUSY, |
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107 | }; |
267 | }; |
108 | |
268 | |
109 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
269 | static int ecb_cold |
110 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
270 | sysfree_free (pTHX_ SV *sv, MAGIC *mg) |
111 | |
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112 | typedef struct aio_cb |
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113 | { |
271 | { |
114 | struct aio_cb *volatile next; |
272 | free (mg->mg_ptr); |
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273 | mg->mg_obj = 0; /* just in case */ |
115 | |
274 | |
116 | SV *callback, *fh; |
275 | SvREADONLY_off (sv); |
117 | SV *sv1, *sv2; |
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118 | void *ptr1, *ptr2; |
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119 | off_t offs; |
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120 | size_t size; |
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121 | ssize_t result; |
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122 | |
276 | |
123 | STRLEN stroffset; |
277 | if (SvPVX (sv) != mg->mg_ptr) |
124 | int type; |
278 | croak ("ERROR: IO::AIO mapped scalar changed location, detected"); |
125 | int int1, int2; |
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126 | int errorno; |
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127 | mode_t mode; /* open */ |
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128 | |
279 | |
129 | unsigned char flags; |
280 | SvCUR_set (sv, 0); |
130 | unsigned char pri; |
281 | SvPVX (sv) = 0; |
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282 | SvOK_off (sv); |
131 | |
283 | |
132 | SV *self; /* the perl counterpart of this request, if any */ |
284 | return 0; |
133 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
285 | } |
134 | } aio_cb; |
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135 | |
286 | |
136 | enum { |
287 | static MGVTBL sysfree_vtbl = { |
137 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
288 | 0, 0, 0, 0, sysfree_free |
138 | FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */ |
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139 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
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140 | }; |
289 | }; |
141 | |
290 | |
142 | typedef aio_cb *aio_req; |
291 | /*****************************************************************************/ |
143 | typedef aio_cb *aio_req_ornot; |
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144 | |
292 | |
145 | enum { |
293 | /* helper: set scalar to foreign ptr with custom free */ |
146 | PRI_MIN = -4, |
294 | static void |
147 | PRI_MAX = 4, |
295 | sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length) |
148 | |
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149 | DEFAULT_PRI = 0, |
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150 | PRI_BIAS = -PRI_MIN, |
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151 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
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152 | }; |
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153 | |
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154 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
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155 | |
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156 | static unsigned int max_poll_time = 0; |
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157 | static unsigned int max_poll_reqs = 0; |
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158 | |
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159 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
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160 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
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161 | { |
296 | { |
162 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
297 | sv_force_normal (sv); |
163 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
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164 | } |
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165 | |
298 | |
166 | static pthread_t main_tid; |
299 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
167 | static int main_sig; |
300 | sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0) |
168 | static int block_sig_level; |
301 | ->mg_obj = (SV *)length; |
169 | |
302 | |
170 | void block_sig () |
303 | SvUPGRADE (sv, SVt_PV); /* nop... */ |
171 | { |
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172 | sigset_t ss; |
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173 | |
304 | |
174 | if (block_sig_level++) |
305 | if (SvLEN (sv)) |
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306 | Safefree (SvPVX (sv)); |
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307 | |
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308 | SvPVX (sv) = (char *)addr; |
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309 | SvCUR_set (sv, length); |
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310 | SvLEN_set (sv, 0); |
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311 | SvPOK_only (sv); |
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312 | } |
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313 | |
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314 | static void |
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315 | sv_clear_foreign (SV *sv) |
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316 | { |
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317 | /* todo: iterate over magic and only free ours, but of course */ |
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318 | /* the perl5porters will call that (correct) behaviour buggy */ |
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319 | sv_unmagic (sv, FOREIGN_MAGIC); |
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320 | } |
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321 | |
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322 | /*****************************************************************************/ |
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323 | |
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324 | /* defines all sorts of constants to 0 unless they are already defined */ |
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325 | /* also provides const_iv_ and const_niv_ macros for them */ |
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326 | #include "def0.h" |
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327 | |
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328 | /*****************************************************************************/ |
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329 | |
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330 | static void |
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331 | fiemap (eio_req *req) |
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332 | { |
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333 | req->result = -1; |
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334 | |
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335 | #if HAVE_FIEMAP |
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336 | /* assume some c99 */ |
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337 | struct fiemap *fiemap = 0; |
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338 | size_t end_offset; |
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339 | int count = req->int3; |
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340 | |
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341 | req->flags |= EIO_FLAG_PTR1_FREE; |
|
|
342 | |
|
|
343 | /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ |
|
|
344 | /* increase in 3.5kb steps */ |
|
|
345 | if (count < 0) |
|
|
346 | count = 8; |
|
|
347 | |
|
|
348 | fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
|
|
349 | errno = ENOMEM; |
|
|
350 | if (!fiemap) |
175 | return; |
351 | return; |
176 | |
352 | |
177 | if (!main_sig) |
353 | req->ptr1 = fiemap; |
|
|
354 | |
|
|
355 | fiemap->fm_start = req->offs; |
|
|
356 | fiemap->fm_length = req->size; |
|
|
357 | fiemap->fm_flags = req->int2; |
|
|
358 | fiemap->fm_extent_count = count; |
|
|
359 | |
|
|
360 | if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0) |
178 | return; |
361 | return; |
179 | |
362 | |
180 | sigemptyset (&ss); |
363 | if (req->int3 >= 0 /* not autosizing */ |
181 | sigaddset (&ss, main_sig); |
364 | || !fiemap->fm_mapped_extents /* no more extents */ |
182 | pthread_sigmask (SIG_BLOCK, &ss, 0); |
365 | || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */) |
183 | } |
366 | goto done; |
184 | |
367 | |
185 | void unblock_sig () |
368 | /* else we have to loop - |
186 | { |
369 | * it would be tempting (actually I tried that first) to just query the |
187 | sigset_t ss; |
370 | * number of extents needed, but linux often feels like not returning all |
|
|
371 | * extents, without telling us it left any out. this complicates |
|
|
372 | * this quite a bit. |
|
|
373 | */ |
188 | |
374 | |
189 | if (--block_sig_level) |
375 | end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start); |
190 | return; |
|
|
191 | |
376 | |
192 | if (!main_sig) |
377 | for (;;) |
193 | return; |
|
|
194 | |
|
|
195 | sigemptyset (&ss); |
|
|
196 | sigaddset (&ss, main_sig); |
|
|
197 | pthread_sigmask (SIG_UNBLOCK, &ss, 0); |
|
|
198 | } |
|
|
199 | |
|
|
200 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
|
|
201 | |
|
|
202 | static unsigned int started, idle, wanted; |
|
|
203 | |
|
|
204 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
|
|
205 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
|
|
206 | #else |
|
|
207 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
|
|
208 | #endif |
|
|
209 | |
|
|
210 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
|
|
211 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
|
|
212 | |
|
|
213 | /* worker threads management */ |
|
|
214 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
|
|
215 | |
|
|
216 | typedef struct worker { |
|
|
217 | /* locked by wrklock */ |
|
|
218 | struct worker *prev, *next; |
|
|
219 | |
|
|
220 | pthread_t tid; |
|
|
221 | |
|
|
222 | /* locked by reslock, reqlock or wrklock */ |
|
|
223 | aio_req req; /* currently processed request */ |
|
|
224 | void *dbuf; |
|
|
225 | DIR *dirp; |
|
|
226 | } worker; |
|
|
227 | |
|
|
228 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
|
|
229 | |
|
|
230 | static void worker_clear (worker *wrk) |
|
|
231 | { |
|
|
232 | if (wrk->dirp) |
|
|
233 | { |
378 | { |
234 | closedir (wrk->dirp); |
379 | /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */ |
235 | wrk->dirp = 0; |
380 | char scratch[3072]; |
236 | } |
381 | struct fiemap *incmap = (struct fiemap *)scratch; |
237 | |
382 | |
238 | if (wrk->dbuf) |
383 | incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical |
239 | { |
384 | + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length; |
240 | free (wrk->dbuf); |
385 | incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start); |
241 | wrk->dbuf = 0; |
386 | incmap->fm_flags = fiemap->fm_flags; |
242 | } |
387 | incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent); |
243 | } |
|
|
244 | |
388 | |
245 | static void worker_free (worker *wrk) |
389 | if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0) |
246 | { |
|
|
247 | wrk->next->prev = wrk->prev; |
|
|
248 | wrk->prev->next = wrk->next; |
|
|
249 | |
|
|
250 | free (wrk); |
|
|
251 | } |
|
|
252 | |
|
|
253 | static volatile unsigned int nreqs, nready, npending; |
|
|
254 | static volatile unsigned int max_idle = 4; |
|
|
255 | static volatile unsigned int max_outstanding = 0xffffffff; |
|
|
256 | static int respipe [2]; |
|
|
257 | |
|
|
258 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
|
|
259 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
|
|
260 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
|
|
261 | |
|
|
262 | #if WORDACCESS_UNSAFE |
|
|
263 | |
|
|
264 | static unsigned int get_nready () |
|
|
265 | { |
|
|
266 | unsigned int retval; |
|
|
267 | |
|
|
268 | LOCK (reqlock); |
|
|
269 | retval = nready; |
|
|
270 | UNLOCK (reqlock); |
|
|
271 | |
|
|
272 | return retval; |
|
|
273 | } |
|
|
274 | |
|
|
275 | static unsigned int get_npending () |
|
|
276 | { |
|
|
277 | unsigned int retval; |
|
|
278 | |
|
|
279 | LOCK (reslock); |
|
|
280 | retval = npending; |
|
|
281 | UNLOCK (reslock); |
|
|
282 | |
|
|
283 | return retval; |
|
|
284 | } |
|
|
285 | |
|
|
286 | static unsigned int get_nthreads () |
|
|
287 | { |
|
|
288 | unsigned int retval; |
|
|
289 | |
|
|
290 | LOCK (wrklock); |
|
|
291 | retval = started; |
|
|
292 | UNLOCK (wrklock); |
|
|
293 | |
|
|
294 | return retval; |
|
|
295 | } |
|
|
296 | |
|
|
297 | #else |
|
|
298 | |
|
|
299 | # define get_nready() nready |
|
|
300 | # define get_npending() npending |
|
|
301 | # define get_nthreads() started |
|
|
302 | |
|
|
303 | #endif |
|
|
304 | |
|
|
305 | /* |
|
|
306 | * a somewhat faster data structure might be nice, but |
|
|
307 | * with 8 priorities this actually needs <20 insns |
|
|
308 | * per shift, the most expensive operation. |
|
|
309 | */ |
|
|
310 | typedef struct { |
|
|
311 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
|
|
312 | int size; |
|
|
313 | } reqq; |
|
|
314 | |
|
|
315 | static reqq req_queue; |
|
|
316 | static reqq res_queue; |
|
|
317 | |
|
|
318 | int reqq_push (reqq *q, aio_req req) |
|
|
319 | { |
|
|
320 | int pri = req->pri; |
|
|
321 | req->next = 0; |
|
|
322 | |
|
|
323 | if (q->qe[pri]) |
|
|
324 | { |
|
|
325 | q->qe[pri]->next = req; |
|
|
326 | q->qe[pri] = req; |
|
|
327 | } |
|
|
328 | else |
|
|
329 | q->qe[pri] = q->qs[pri] = req; |
|
|
330 | |
|
|
331 | return q->size++; |
|
|
332 | } |
|
|
333 | |
|
|
334 | aio_req reqq_shift (reqq *q) |
|
|
335 | { |
|
|
336 | int pri; |
|
|
337 | |
|
|
338 | if (!q->size) |
|
|
339 | return 0; |
390 | return; |
340 | |
391 | |
341 | --q->size; |
392 | if (!incmap->fm_mapped_extents) |
|
|
393 | goto done; |
342 | |
394 | |
343 | for (pri = NUM_PRI; pri--; ) |
395 | count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents; |
344 | { |
396 | fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
345 | aio_req req = q->qs[pri]; |
397 | errno = ENOMEM; |
346 | |
|
|
347 | if (req) |
398 | if (!fiemap) |
|
|
399 | return; |
|
|
400 | |
|
|
401 | req->ptr1 = fiemap; |
|
|
402 | |
|
|
403 | for (count = 0; count < incmap->fm_mapped_extents; ++count) |
348 | { |
404 | { |
349 | if (!(q->qs[pri] = req->next)) |
405 | struct fiemap_extent *e = incmap->fm_extents + count; |
350 | q->qe[pri] = 0; |
|
|
351 | |
406 | |
352 | return req; |
407 | if (e->fe_logical + e->fe_length >= end_offset) |
|
|
408 | goto done; |
|
|
409 | |
|
|
410 | fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e; |
|
|
411 | |
|
|
412 | if (e->fe_flags & FIEMAP_EXTENT_LAST) |
|
|
413 | goto done; |
|
|
414 | |
353 | } |
415 | } |
354 | } |
416 | } |
355 | |
417 | |
356 | abort (); |
418 | done: |
357 | } |
419 | req->result = 0; |
358 | |
420 | |
359 | static int poll_cb (); |
421 | #else |
360 | static int req_invoke (aio_req req); |
422 | errno = ENOSYS; |
|
|
423 | #endif |
|
|
424 | } |
|
|
425 | |
|
|
426 | /*****************************************************************************/ |
|
|
427 | |
|
|
428 | static int close_fd; /* dummy fd to close fds via dup2 */ |
|
|
429 | |
|
|
430 | enum { |
|
|
431 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
|
|
432 | }; |
|
|
433 | |
|
|
434 | typedef eio_req *aio_req; |
|
|
435 | typedef eio_req *aio_req_ornot; |
|
|
436 | typedef eio_wd aio_wd; |
|
|
437 | |
|
|
438 | static SV *on_next_submit; |
|
|
439 | static int next_pri = EIO_PRI_DEFAULT; |
|
|
440 | static int max_outstanding; |
|
|
441 | |
|
|
442 | static s_epipe respipe; |
|
|
443 | |
361 | static void req_free (aio_req req); |
444 | static void req_destroy (aio_req req); |
362 | static void req_cancel (aio_req req); |
445 | static void req_cancel (aio_req req); |
363 | |
446 | |
|
|
447 | static void |
|
|
448 | want_poll (void) |
|
|
449 | { |
|
|
450 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
451 | s_epipe_signal (&respipe); |
|
|
452 | } |
|
|
453 | |
|
|
454 | static void |
|
|
455 | done_poll (void) |
|
|
456 | { |
|
|
457 | /* read any signals sent by the worker threads */ |
|
|
458 | s_epipe_drain (&respipe); |
|
|
459 | } |
|
|
460 | |
364 | /* must be called at most once */ |
461 | /* must be called at most once */ |
365 | static SV *req_sv (aio_req req, const char *klass) |
462 | static SV * |
|
|
463 | req_sv (aio_req req, HV *stash) |
366 | { |
464 | { |
367 | if (!req->self) |
465 | if (!req->self) |
368 | { |
466 | { |
369 | req->self = (SV *)newHV (); |
467 | req->self = (SV *)newHV (); |
370 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
468 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
371 | } |
469 | } |
372 | |
470 | |
373 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
471 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
374 | } |
472 | } |
375 | |
473 | |
376 | static aio_req SvAIO_REQ (SV *sv) |
474 | static SV * |
|
|
475 | newSVaio_wd (aio_wd wd) |
|
|
476 | { |
|
|
477 | return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash); |
|
|
478 | } |
|
|
479 | |
|
|
480 | static aio_req |
|
|
481 | SvAIO_REQ (SV *sv) |
377 | { |
482 | { |
378 | MAGIC *mg; |
483 | MAGIC *mg; |
379 | |
484 | |
380 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
485 | if (!SvROK (sv) |
|
|
486 | /* for speed reasons, we do not verify that SvROK actually has a stash ptr */ |
|
|
487 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
|
|
488 | && SvSTASH (SvRV (sv)) != aio_req_stash |
|
|
489 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
381 | croak ("object of class " AIO_REQ_KLASS " expected"); |
490 | croak ("object of class IO::AIO::REQ expected"); |
382 | |
491 | |
383 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
492 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
384 | |
493 | |
385 | return mg ? (aio_req)mg->mg_ptr : 0; |
494 | return mg ? (aio_req)mg->mg_ptr : 0; |
386 | } |
495 | } |
387 | |
496 | |
|
|
497 | static aio_wd |
|
|
498 | SvAIO_WD (SV *sv) |
|
|
499 | { |
|
|
500 | if (!SvROK (sv) |
|
|
501 | || SvTYPE (SvRV (sv)) != SVt_PVMG |
|
|
502 | || SvSTASH (SvRV (sv)) != aio_wd_stash) |
|
|
503 | croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
|
|
504 | |
|
|
505 | return (aio_wd)(long)SvIVX (SvRV (sv)); |
|
|
506 | } |
|
|
507 | |
|
|
508 | static SV * |
|
|
509 | newmortalFH (int fd, int flags) |
|
|
510 | { |
|
|
511 | if (fd < 0) |
|
|
512 | return &PL_sv_undef; |
|
|
513 | |
|
|
514 | GV *gv = (GV *)sv_newmortal (); |
|
|
515 | char sym[64]; |
|
|
516 | int symlen; |
|
|
517 | |
|
|
518 | symlen = snprintf (sym, sizeof (sym), "fd#%d", fd); |
|
|
519 | gv_init (gv, aio_stash, sym, symlen, 0); |
|
|
520 | |
|
|
521 | symlen = snprintf ( |
|
|
522 | sym, |
|
|
523 | sizeof (sym), |
|
|
524 | "%s&=%d", |
|
|
525 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
526 | fd |
|
|
527 | ); |
|
|
528 | |
|
|
529 | return do_open (gv, sym, symlen, 0, 0, 0, 0) |
|
|
530 | ? (SV *)gv : &PL_sv_undef; |
|
|
531 | } |
|
|
532 | |
|
|
533 | static void |
388 | static void aio_grp_feed (aio_req grp) |
534 | aio_grp_feed (aio_req grp) |
389 | { |
535 | { |
390 | block_sig (); |
536 | if (grp->sv2 && SvOK (grp->sv2)) |
391 | |
|
|
392 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
|
|
393 | { |
537 | { |
394 | int old_len = grp->size; |
|
|
395 | |
|
|
396 | if (grp->sv2 && SvOK (grp->sv2)) |
|
|
397 | { |
|
|
398 | dSP; |
538 | dSP; |
399 | |
539 | |
400 | ENTER; |
540 | ENTER; |
401 | SAVETMPS; |
541 | SAVETMPS; |
402 | PUSHMARK (SP); |
542 | PUSHMARK (SP); |
403 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
543 | XPUSHs (req_sv (grp, aio_grp_stash)); |
404 | PUTBACK; |
544 | PUTBACK; |
405 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
545 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
406 | SPAGAIN; |
546 | SPAGAIN; |
407 | FREETMPS; |
547 | FREETMPS; |
408 | LEAVE; |
548 | LEAVE; |
409 | } |
|
|
410 | |
|
|
411 | /* stop if no progress has been made */ |
|
|
412 | if (old_len == grp->size) |
|
|
413 | { |
|
|
414 | SvREFCNT_dec (grp->sv2); |
|
|
415 | grp->sv2 = 0; |
|
|
416 | break; |
|
|
417 | } |
|
|
418 | } |
549 | } |
419 | |
|
|
420 | unblock_sig (); |
|
|
421 | } |
550 | } |
422 | |
551 | |
423 | static void aio_grp_dec (aio_req grp) |
552 | static void |
|
|
553 | req_submit (eio_req *req) |
424 | { |
554 | { |
425 | --grp->size; |
555 | eio_submit (req); |
426 | |
556 | |
427 | /* call feeder, if applicable */ |
557 | if (expect_false (on_next_submit)) |
428 | aio_grp_feed (grp); |
|
|
429 | |
|
|
430 | /* finish, if done */ |
|
|
431 | if (!grp->size && grp->int1) |
|
|
432 | { |
558 | { |
433 | block_sig (); |
559 | dSP; |
|
|
560 | SV *cb = sv_2mortal (on_next_submit); |
434 | |
561 | |
435 | if (!req_invoke (grp)) |
562 | on_next_submit = 0; |
436 | { |
|
|
437 | req_free (grp); |
|
|
438 | unblock_sig (); |
|
|
439 | croak (0); |
|
|
440 | } |
|
|
441 | |
563 | |
442 | req_free (grp); |
564 | PUSHMARK (SP); |
443 | unblock_sig (); |
565 | PUTBACK; |
|
|
566 | call_sv (cb, G_DISCARD | G_EVAL); |
444 | } |
567 | } |
445 | } |
568 | } |
446 | |
569 | |
|
|
570 | static int |
447 | static int req_invoke (aio_req req) |
571 | req_invoke (eio_req *req) |
448 | { |
572 | { |
449 | dSP; |
|
|
450 | |
|
|
451 | if (req->flags & FLAG_SV1_RO_OFF) |
573 | if (req->flags & FLAG_SV2_RO_OFF) |
452 | SvREADONLY_off (req->sv1); |
574 | SvREADONLY_off (req->sv2); |
453 | |
575 | |
454 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
576 | if (!EIO_CANCELLED (req) && req->callback) |
455 | { |
577 | { |
|
|
578 | dSP; |
|
|
579 | static SV *sv_result_cache; /* caches the result integer SV */ |
|
|
580 | SV *sv_result; |
|
|
581 | |
456 | ENTER; |
582 | ENTER; |
457 | SAVETMPS; |
583 | SAVETMPS; |
458 | PUSHMARK (SP); |
584 | PUSHMARK (SP); |
459 | EXTEND (SP, 1); |
585 | EXTEND (SP, 1); |
460 | |
586 | |
|
|
587 | /* do not recreate the result IV from scratch each time */ |
|
|
588 | if (expect_true (sv_result_cache)) |
|
|
589 | { |
|
|
590 | sv_result = sv_result_cache; sv_result_cache = 0; |
|
|
591 | SvIV_set (sv_result, req->result); |
|
|
592 | SvIOK_only (sv_result); |
|
|
593 | } |
|
|
594 | else |
|
|
595 | { |
|
|
596 | sv_result = newSViv (req->result); |
|
|
597 | SvREADONLY_on (sv_result); |
|
|
598 | } |
|
|
599 | |
461 | switch (req->type) |
600 | switch (req->type) |
462 | { |
601 | { |
|
|
602 | case EIO_WD_OPEN: |
|
|
603 | PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd))); |
|
|
604 | break; |
|
|
605 | |
463 | case REQ_READDIR: |
606 | case EIO_READDIR: |
464 | { |
607 | { |
465 | SV *rv = &PL_sv_undef; |
608 | SV *rv = &PL_sv_undef; |
466 | |
609 | |
467 | if (req->result >= 0) |
610 | if (req->result >= 0) |
468 | { |
611 | { |
469 | int i; |
612 | int i; |
470 | char *buf = req->ptr2; |
613 | char *names = (char *)req->ptr2; |
|
|
614 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
471 | AV *av = newAV (); |
615 | AV *av = newAV (); |
472 | |
616 | |
473 | av_extend (av, req->result - 1); |
617 | av_extend (av, req->result - 1); |
474 | |
618 | |
475 | for (i = 0; i < req->result; ++i) |
619 | for (i = 0; i < req->result; ++i) |
476 | { |
620 | { |
477 | SV *sv = newSVpv (buf, 0); |
621 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
622 | { |
|
|
623 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
478 | |
624 | |
|
|
625 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
626 | { |
|
|
627 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
628 | AV *avent = newAV (); |
|
|
629 | |
|
|
630 | av_extend (avent, 2); |
|
|
631 | |
|
|
632 | if (!sv_type [ent->type]) |
|
|
633 | { |
|
|
634 | sv_type [ent->type] = newSViv (ent->type); |
|
|
635 | SvREADONLY_on (sv_type [ent->type]); |
|
|
636 | } |
|
|
637 | |
|
|
638 | av_store (avent, 0, namesv); |
|
|
639 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
640 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
641 | |
|
|
642 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
643 | } |
|
|
644 | else |
479 | av_store (av, i, sv); |
645 | av_store (av, i, namesv); |
|
|
646 | |
|
|
647 | ++ent; |
|
|
648 | } |
|
|
649 | else |
|
|
650 | { |
|
|
651 | SV *name = newSVpv (names, 0); |
|
|
652 | av_store (av, i, name); |
480 | buf += SvCUR (sv) + 1; |
653 | names += SvCUR (name) + 1; |
|
|
654 | } |
481 | } |
655 | } |
482 | |
656 | |
483 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
657 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
484 | } |
658 | } |
485 | |
659 | |
486 | PUSHs (rv); |
660 | PUSHs (rv); |
|
|
661 | |
|
|
662 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
663 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
487 | } |
664 | } |
488 | break; |
665 | break; |
489 | |
666 | |
490 | case REQ_OPEN: |
667 | case EIO_OPEN: |
|
|
668 | PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR))); |
|
|
669 | break; |
|
|
670 | |
|
|
671 | case EIO_STATVFS: |
|
|
672 | case EIO_FSTATVFS: |
491 | { |
673 | { |
492 | /* convert fd to fh */ |
674 | SV *rv = &PL_sv_undef; |
493 | SV *fh; |
675 | |
|
|
676 | #ifndef _WIN32 |
|
|
677 | if (req->result >= 0) |
|
|
678 | { |
|
|
679 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
680 | HV *hv = newHV (); |
|
|
681 | /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom |
|
|
682 | * chooses to make it a struct. |
|
|
683 | */ |
|
|
684 | unsigned long fsid = 0; |
|
|
685 | memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid)); |
494 | |
686 | |
495 | PUSHs (sv_2mortal (newSViv (req->result))); |
687 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
496 | PUTBACK; |
|
|
497 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
498 | SPAGAIN; |
|
|
499 | |
688 | |
500 | fh = POPs; |
689 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
501 | PUSHMARK (SP); |
690 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
691 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
692 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
693 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
694 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
695 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
696 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
697 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0); |
|
|
698 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
699 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
700 | } |
|
|
701 | #endif |
|
|
702 | |
502 | XPUSHs (fh); |
703 | PUSHs (rv); |
503 | } |
704 | } |
|
|
705 | |
504 | break; |
706 | break; |
505 | |
707 | |
506 | case REQ_GROUP: |
708 | case EIO_GROUP: |
507 | req->int1 = 2; /* mark group as finished */ |
709 | req->int1 = 2; /* mark group as finished */ |
508 | |
710 | |
509 | if (req->sv1) |
711 | if (req->sv1) |
510 | { |
712 | { |
511 | int i; |
713 | int i; |
… | |
… | |
515 | for (i = 0; i <= AvFILL (av); ++i) |
717 | for (i = 0; i <= AvFILL (av); ++i) |
516 | PUSHs (*av_fetch (av, i, 0)); |
718 | PUSHs (*av_fetch (av, i, 0)); |
517 | } |
719 | } |
518 | break; |
720 | break; |
519 | |
721 | |
520 | case REQ_NOP: |
722 | case EIO_NOP: |
521 | case REQ_BUSY: |
723 | case EIO_BUSY: |
522 | break; |
724 | break; |
523 | |
725 | |
524 | case REQ_READLINK: |
726 | case EIO_READLINK: |
|
|
727 | case EIO_REALPATH: |
525 | if (req->result > 0) |
728 | if (req->result > 0) |
|
|
729 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
730 | break; |
|
|
731 | |
|
|
732 | case EIO_STAT: |
|
|
733 | case EIO_LSTAT: |
|
|
734 | case EIO_FSTAT: |
|
|
735 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
736 | |
|
|
737 | if (!(PL_laststatval = req->result)) |
|
|
738 | /* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
|
|
739 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
740 | |
|
|
741 | PUSHs (sv_result); |
|
|
742 | break; |
|
|
743 | |
|
|
744 | case EIO_SEEK: |
|
|
745 | PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs))); |
|
|
746 | break; |
|
|
747 | |
|
|
748 | case EIO_READ: |
|
|
749 | { |
|
|
750 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
751 | *SvEND (req->sv2) = 0; |
|
|
752 | SvPOK_only (req->sv2); |
|
|
753 | SvSETMAGIC (req->sv2); |
|
|
754 | PUSHs (sv_result); |
|
|
755 | } |
|
|
756 | break; |
|
|
757 | |
|
|
758 | case EIO_SLURP: |
|
|
759 | { |
|
|
760 | if (req->result >= 0) |
|
|
761 | { |
|
|
762 | /* if length was originally not known, we steal the malloc'ed memory */ |
|
|
763 | if (req->flags & EIO_FLAG_PTR2_FREE) |
|
|
764 | { |
|
|
765 | req->flags &= ~EIO_FLAG_PTR2_FREE; |
|
|
766 | sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result); |
|
|
767 | } |
|
|
768 | else |
|
|
769 | { |
|
|
770 | SvCUR_set (req->sv2, req->result); |
|
|
771 | *SvEND (req->sv2) = 0; |
|
|
772 | SvPOK_only (req->sv2); |
|
|
773 | } |
|
|
774 | |
|
|
775 | SvSETMAGIC (req->sv2); |
|
|
776 | } |
|
|
777 | |
|
|
778 | PUSHs (sv_result); |
|
|
779 | } |
|
|
780 | break; |
|
|
781 | |
|
|
782 | case EIO_CUSTOM: |
|
|
783 | if (req->feed == fiemap) |
526 | { |
784 | { |
527 | SvCUR_set (req->sv1, req->result); |
785 | #if HAVE_FIEMAP |
528 | *SvEND (req->sv1) = 0; |
|
|
529 | PUSHs (req->sv1); |
786 | if (!req->result) |
|
|
787 | { |
|
|
788 | struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
|
|
789 | |
|
|
790 | if (fiemap->fm_extent_count) |
|
|
791 | { |
|
|
792 | AV *av = newAV (); |
|
|
793 | int i; |
|
|
794 | |
|
|
795 | while (fiemap->fm_mapped_extents) |
|
|
796 | { |
|
|
797 | struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents]; |
|
|
798 | AV *ext_av = newAV (); |
|
|
799 | |
|
|
800 | av_store (ext_av, 3, newSVuv (extent->fe_flags)); |
|
|
801 | av_store (ext_av, 2, newSVval64 (extent->fe_length)); |
|
|
802 | av_store (ext_av, 1, newSVval64 (extent->fe_physical)); |
|
|
803 | av_store (ext_av, 0, newSVval64 (extent->fe_logical)); |
|
|
804 | |
|
|
805 | av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av)); |
|
|
806 | } |
|
|
807 | |
|
|
808 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
809 | } |
|
|
810 | else |
|
|
811 | { |
|
|
812 | SvIV_set (sv_result, fiemap->fm_mapped_extents); |
|
|
813 | PUSHs (sv_result); |
|
|
814 | } |
|
|
815 | } |
|
|
816 | #endif |
530 | } |
817 | } |
|
|
818 | else |
|
|
819 | PUSHs (sv_result); |
531 | break; |
820 | break; |
532 | |
821 | |
533 | case REQ_STAT: |
822 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
534 | case REQ_LSTAT: |
823 | if (req->result > 0) |
535 | case REQ_FSTAT: |
824 | SvIV_set (sv_result, 0); |
536 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
825 | /* FALLTHROUGH */ |
537 | PL_laststatval = req->result; |
|
|
538 | PL_statcache = *(Stat_t *)(req->ptr2); |
|
|
539 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
540 | break; |
|
|
541 | |
|
|
542 | case REQ_READ: |
|
|
543 | SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
544 | *SvEND (req->sv1) = 0; |
|
|
545 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
546 | break; |
|
|
547 | |
826 | |
548 | default: |
827 | default: |
549 | PUSHs (sv_2mortal (newSViv (req->result))); |
828 | PUSHs (sv_result); |
550 | break; |
829 | break; |
551 | } |
830 | } |
552 | |
831 | |
553 | errno = req->errorno; |
832 | errno = req->errorno; |
554 | |
833 | |
555 | PUTBACK; |
834 | PUTBACK; |
556 | call_sv (req->callback, G_VOID | G_EVAL); |
835 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
557 | SPAGAIN; |
836 | SPAGAIN; |
|
|
837 | |
|
|
838 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
839 | SvREFCNT_dec (sv_result); |
|
|
840 | else |
|
|
841 | sv_result_cache = sv_result; |
558 | |
842 | |
559 | FREETMPS; |
843 | FREETMPS; |
560 | LEAVE; |
844 | LEAVE; |
|
|
845 | |
|
|
846 | PUTBACK; |
561 | } |
847 | } |
562 | |
848 | |
563 | if (req->grp) |
|
|
564 | { |
|
|
565 | aio_req grp = req->grp; |
|
|
566 | |
|
|
567 | /* unlink request */ |
|
|
568 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
569 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
570 | |
|
|
571 | if (grp->grp_first == req) |
|
|
572 | grp->grp_first = req->grp_next; |
|
|
573 | |
|
|
574 | aio_grp_dec (grp); |
|
|
575 | } |
|
|
576 | |
|
|
577 | return !SvTRUE (ERRSV); |
849 | return !!SvTRUE (ERRSV); |
578 | } |
850 | } |
579 | |
851 | |
580 | static void req_free (aio_req req) |
852 | static void |
|
|
853 | req_destroy (aio_req req) |
581 | { |
854 | { |
582 | if (req->self) |
855 | if (req->self) |
583 | { |
856 | { |
584 | sv_unmagic (req->self, PERL_MAGIC_ext); |
857 | sv_unmagic (req->self, PERL_MAGIC_ext); |
585 | SvREFCNT_dec (req->self); |
858 | SvREFCNT_dec (req->self); |
586 | } |
859 | } |
587 | |
860 | |
588 | SvREFCNT_dec (req->fh); |
|
|
589 | SvREFCNT_dec (req->sv1); |
861 | SvREFCNT_dec (req->sv1); |
590 | SvREFCNT_dec (req->sv2); |
862 | SvREFCNT_dec (req->sv2); |
|
|
863 | SvREFCNT_dec (req->sv3); |
|
|
864 | SvREFCNT_dec (req->sv4); |
591 | SvREFCNT_dec (req->callback); |
865 | SvREFCNT_dec (req->callback); |
592 | |
866 | |
593 | if (req->flags & FLAG_PTR2_FREE) |
|
|
594 | free (req->ptr2); |
|
|
595 | |
|
|
596 | Safefree (req); |
867 | free (req); |
597 | } |
868 | } |
598 | |
869 | |
|
|
870 | static void |
599 | static void req_cancel_subs (aio_req grp) |
871 | req_cancel_subs (aio_req grp) |
600 | { |
872 | { |
601 | aio_req sub; |
|
|
602 | |
|
|
603 | if (grp->type != REQ_GROUP) |
873 | if (grp->type != EIO_GROUP) |
604 | return; |
874 | return; |
605 | |
875 | |
606 | SvREFCNT_dec (grp->sv2); |
876 | SvREFCNT_dec (grp->sv2); |
607 | grp->sv2 = 0; |
877 | grp->sv2 = 0; |
608 | |
878 | |
609 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
879 | eio_grp_cancel (grp); |
610 | req_cancel (sub); |
|
|
611 | } |
880 | } |
612 | |
881 | |
613 | static void req_cancel (aio_req req) |
882 | static void ecb_cold |
|
|
883 | create_respipe (void) |
614 | { |
884 | { |
615 | req->flags |= FLAG_CANCELLED; |
885 | if (s_epipe_renew (&respipe)) |
616 | |
886 | croak ("IO::AIO: unable to initialize result pipe"); |
617 | req_cancel_subs (req); |
|
|
618 | } |
887 | } |
619 | |
888 | |
620 | static void *aio_proc(void *arg); |
889 | static void |
621 | |
890 | poll_wait (void) |
622 | static void start_thread (void) |
|
|
623 | { |
891 | { |
624 | sigset_t fullsigset, oldsigset; |
|
|
625 | pthread_attr_t attr; |
|
|
626 | |
|
|
627 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
628 | |
|
|
629 | if (!wrk) |
|
|
630 | croak ("unable to allocate worker thread data"); |
|
|
631 | |
|
|
632 | pthread_attr_init (&attr); |
|
|
633 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
634 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
635 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
636 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
637 | #endif |
|
|
638 | |
|
|
639 | sigfillset (&fullsigset); |
|
|
640 | |
|
|
641 | LOCK (wrklock); |
|
|
642 | pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
643 | |
|
|
644 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
|
|
645 | { |
|
|
646 | wrk->prev = &wrk_first; |
|
|
647 | wrk->next = wrk_first.next; |
|
|
648 | wrk_first.next->prev = wrk; |
|
|
649 | wrk_first.next = wrk; |
|
|
650 | ++started; |
|
|
651 | } |
|
|
652 | else |
|
|
653 | free (wrk); |
|
|
654 | |
|
|
655 | pthread_sigmask (SIG_SETMASK, &oldsigset, 0); |
|
|
656 | UNLOCK (wrklock); |
|
|
657 | } |
|
|
658 | |
|
|
659 | static void maybe_start_thread () |
|
|
660 | { |
|
|
661 | if (get_nthreads () >= wanted) |
|
|
662 | return; |
|
|
663 | |
|
|
664 | /* todo: maybe use idle here, but might be less exact */ |
|
|
665 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
|
|
666 | return; |
|
|
667 | |
|
|
668 | start_thread (); |
|
|
669 | } |
|
|
670 | |
|
|
671 | static void req_send (aio_req req) |
|
|
672 | { |
|
|
673 | block_sig (); |
|
|
674 | |
|
|
675 | ++nreqs; |
|
|
676 | |
|
|
677 | LOCK (reqlock); |
|
|
678 | ++nready; |
|
|
679 | reqq_push (&req_queue, req); |
|
|
680 | pthread_cond_signal (&reqwait); |
|
|
681 | UNLOCK (reqlock); |
|
|
682 | |
|
|
683 | unblock_sig (); |
|
|
684 | |
|
|
685 | maybe_start_thread (); |
|
|
686 | } |
|
|
687 | |
|
|
688 | static void end_thread (void) |
|
|
689 | { |
|
|
690 | aio_req req; |
|
|
691 | |
|
|
692 | Newz (0, req, 1, aio_cb); |
|
|
693 | |
|
|
694 | req->type = REQ_QUIT; |
|
|
695 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
696 | |
|
|
697 | LOCK (reqlock); |
|
|
698 | reqq_push (&req_queue, req); |
|
|
699 | pthread_cond_signal (&reqwait); |
|
|
700 | UNLOCK (reqlock); |
|
|
701 | |
|
|
702 | LOCK (wrklock); |
|
|
703 | --started; |
|
|
704 | UNLOCK (wrklock); |
|
|
705 | } |
|
|
706 | |
|
|
707 | static void set_max_idle (int nthreads) |
|
|
708 | { |
|
|
709 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
|
|
710 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
711 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
|
|
712 | } |
|
|
713 | |
|
|
714 | static void min_parallel (int nthreads) |
|
|
715 | { |
|
|
716 | if (wanted < nthreads) |
|
|
717 | wanted = nthreads; |
|
|
718 | } |
|
|
719 | |
|
|
720 | static void max_parallel (int nthreads) |
|
|
721 | { |
|
|
722 | if (wanted > nthreads) |
|
|
723 | wanted = nthreads; |
|
|
724 | |
|
|
725 | while (started > wanted) |
|
|
726 | end_thread (); |
|
|
727 | } |
|
|
728 | |
|
|
729 | static void poll_wait () |
|
|
730 | { |
|
|
731 | fd_set rfd; |
|
|
732 | |
|
|
733 | while (nreqs) |
892 | while (eio_nreqs ()) |
734 | { |
893 | { |
735 | int size; |
894 | int size; |
736 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
895 | |
|
|
896 | X_LOCK (EIO_POOL->reslock); |
737 | size = res_queue.size; |
897 | size = EIO_POOL->res_queue.size; |
738 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
898 | X_UNLOCK (EIO_POOL->reslock); |
739 | |
899 | |
740 | if (size) |
900 | if (size) |
741 | return; |
901 | return; |
742 | |
902 | |
743 | maybe_start_thread (); |
903 | etp_maybe_start_thread (EIO_POOL); |
744 | |
904 | |
745 | FD_ZERO(&rfd); |
905 | s_epipe_wait (&respipe); |
746 | FD_SET(respipe [0], &rfd); |
|
|
747 | |
|
|
748 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
749 | } |
906 | } |
750 | } |
907 | } |
751 | |
908 | |
752 | static int poll_cb () |
909 | static int |
|
|
910 | poll_cb (void) |
753 | { |
911 | { |
754 | dSP; |
|
|
755 | int count = 0; |
|
|
756 | int maxreqs = max_poll_reqs; |
|
|
757 | int do_croak = 0; |
|
|
758 | struct timeval tv_start, tv_now; |
|
|
759 | aio_req req; |
|
|
760 | |
|
|
761 | if (max_poll_time) |
|
|
762 | gettimeofday (&tv_start, 0); |
|
|
763 | |
|
|
764 | block_sig (); |
|
|
765 | |
|
|
766 | for (;;) |
912 | for (;;) |
767 | { |
913 | { |
768 | for (;;) |
914 | int res = eio_poll (); |
|
|
915 | |
|
|
916 | if (res > 0) |
|
|
917 | croak (0); |
|
|
918 | |
|
|
919 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
920 | return res; |
|
|
921 | |
|
|
922 | poll_wait (); |
|
|
923 | } |
|
|
924 | } |
|
|
925 | |
|
|
926 | static void ecb_cold |
|
|
927 | reinit (void) |
|
|
928 | { |
|
|
929 | create_respipe (); |
|
|
930 | |
|
|
931 | if (eio_init (want_poll, done_poll) < 0) |
|
|
932 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
933 | } |
|
|
934 | |
|
|
935 | /*****************************************************************************/ |
|
|
936 | |
|
|
937 | static SV * |
|
|
938 | get_cb (SV *cb_sv) |
|
|
939 | { |
|
|
940 | SvGETMAGIC (cb_sv); |
|
|
941 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
|
|
942 | } |
|
|
943 | |
|
|
944 | static aio_req ecb_noinline |
|
|
945 | dreq (SV *callback) |
|
|
946 | { |
|
|
947 | SV *cb_cv; |
|
|
948 | aio_req req; |
|
|
949 | int req_pri = next_pri; |
|
|
950 | next_pri = EIO_PRI_DEFAULT; |
|
|
951 | |
|
|
952 | cb_cv = get_cb (callback); |
|
|
953 | |
|
|
954 | req = calloc (sizeof (*req), 1); |
|
|
955 | if (!req) |
|
|
956 | croak ("out of memory during eio_req allocation"); |
|
|
957 | |
|
|
958 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
959 | req->pri = req_pri; |
|
|
960 | |
|
|
961 | return req; |
|
|
962 | } |
|
|
963 | |
|
|
964 | #define dREQ \ |
|
|
965 | aio_req req = dreq (callback); \ |
|
|
966 | |
|
|
967 | #define REQ_SEND \ |
|
|
968 | PUTBACK; \ |
|
|
969 | req_submit (req); \ |
|
|
970 | SPAGAIN; \ |
|
|
971 | \ |
|
|
972 | if (GIMME_V != G_VOID) \ |
|
|
973 | XPUSHs (req_sv (req, aio_req_stash)); |
|
|
974 | |
|
|
975 | ecb_inline void |
|
|
976 | req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
|
|
977 | { |
|
|
978 | if (expect_false (SvROK (path))) |
|
|
979 | { |
|
|
980 | SV *rv = SvRV (path); |
|
|
981 | SV *wdob; |
|
|
982 | |
|
|
983 | if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) |
769 | { |
984 | { |
770 | maybe_start_thread (); |
985 | path = AvARRAY (rv)[1]; |
|
|
986 | wdob = AvARRAY (rv)[0]; |
771 | |
987 | |
772 | LOCK (reslock); |
988 | if (SvOK (wdob)) |
773 | req = reqq_shift (&res_queue); |
|
|
774 | |
|
|
775 | if (req) |
|
|
776 | { |
989 | { |
777 | --npending; |
990 | *wd = SvAIO_WD (wdob); |
778 | |
991 | *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
779 | if (!res_queue.size) |
|
|
780 | { |
|
|
781 | /* read any signals sent by the worker threads */ |
|
|
782 | char buf [4]; |
|
|
783 | while (read (respipe [0], buf, 4) == 4) |
|
|
784 | ; |
|
|
785 | } |
|
|
786 | } |
|
|
787 | |
|
|
788 | UNLOCK (reslock); |
|
|
789 | |
|
|
790 | if (!req) |
|
|
791 | break; |
|
|
792 | |
|
|
793 | --nreqs; |
|
|
794 | |
|
|
795 | if (req->type == REQ_GROUP && req->size) |
|
|
796 | { |
|
|
797 | req->int1 = 1; /* mark request as delayed */ |
|
|
798 | continue; |
|
|
799 | } |
992 | } |
800 | else |
993 | else |
801 | { |
994 | *wd = EIO_INVALID_WD; |
802 | if (!req_invoke (req)) |
|
|
803 | { |
|
|
804 | req_free (req); |
|
|
805 | unblock_sig (); |
|
|
806 | croak (0); |
|
|
807 | } |
|
|
808 | |
|
|
809 | count++; |
|
|
810 | } |
|
|
811 | |
|
|
812 | req_free (req); |
|
|
813 | |
|
|
814 | if (maxreqs && !--maxreqs) |
|
|
815 | break; |
|
|
816 | |
|
|
817 | if (max_poll_time) |
|
|
818 | { |
|
|
819 | gettimeofday (&tv_now, 0); |
|
|
820 | |
|
|
821 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
822 | break; |
|
|
823 | } |
|
|
824 | } |
995 | } |
|
|
996 | else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) |
|
|
997 | { |
|
|
998 | *wd = (aio_wd)(long)SvIVX (rv); |
|
|
999 | *wdsv = SvREFCNT_inc_NN (rv); |
|
|
1000 | *ptr = "."; |
|
|
1001 | return; /* path set to "." */ |
|
|
1002 | } |
|
|
1003 | else |
|
|
1004 | croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); |
|
|
1005 | } |
825 | |
1006 | |
826 | if (nreqs <= max_outstanding) |
1007 | *pathsv = newSVsv (path); |
|
|
1008 | *ptr = SvPVbyte_nolen (*pathsv); |
|
|
1009 | } |
|
|
1010 | |
|
|
1011 | static void ecb_noinline |
|
|
1012 | req_set_path1 (aio_req req, SV *path) |
|
|
1013 | { |
|
|
1014 | req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
|
|
1015 | } |
|
|
1016 | |
|
|
1017 | static void ecb_noinline |
|
|
1018 | req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
|
|
1019 | { |
|
|
1020 | SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
|
|
1021 | |
|
|
1022 | switch (SvTYPE (rv)) |
|
|
1023 | { |
|
|
1024 | case SVt_PVIO: |
|
|
1025 | case SVt_PVLV: |
|
|
1026 | case SVt_PVGV: |
|
|
1027 | req->type = type_fh; |
|
|
1028 | req->sv1 = newSVsv (fh_or_path); |
|
|
1029 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
827 | break; |
1030 | break; |
828 | |
1031 | |
829 | poll_wait (); |
1032 | default: |
830 | |
1033 | req->type = type_path; |
831 | ++maxreqs; |
1034 | req_set_path1 (req, fh_or_path); |
|
|
1035 | break; |
832 | } |
1036 | } |
833 | |
|
|
834 | unblock_sig (); |
|
|
835 | return count; |
|
|
836 | } |
|
|
837 | |
|
|
838 | static void create_pipe () |
|
|
839 | { |
|
|
840 | if (pipe (respipe)) |
|
|
841 | croak ("unable to initialize result pipe"); |
|
|
842 | |
|
|
843 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
844 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
845 | |
|
|
846 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
847 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
848 | } |
1037 | } |
849 | |
1038 | |
850 | /*****************************************************************************/ |
1039 | /*****************************************************************************/ |
851 | /* work around various missing functions */ |
|
|
852 | |
1040 | |
853 | #if !HAVE_PREADWRITE |
1041 | static void |
854 | # define pread aio_pread |
1042 | ts_set (struct timespec *ts, NV value) |
855 | # define pwrite aio_pwrite |
|
|
856 | |
|
|
857 | /* |
|
|
858 | * make our pread/pwrite safe against themselves, but not against |
|
|
859 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
860 | * but that's your problem, not mine. |
|
|
861 | */ |
|
|
862 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
|
|
863 | |
|
|
864 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
865 | { |
1043 | { |
866 | ssize_t res; |
1044 | ts->tv_sec = value; |
867 | off_t ooffset; |
1045 | ts->tv_nsec = (value - ts->tv_sec) * 1e9; |
868 | |
|
|
869 | LOCK (preadwritelock); |
|
|
870 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
871 | lseek (fd, offset, SEEK_SET); |
|
|
872 | res = read (fd, buf, count); |
|
|
873 | lseek (fd, ooffset, SEEK_SET); |
|
|
874 | UNLOCK (preadwritelock); |
|
|
875 | |
|
|
876 | return res; |
|
|
877 | } |
1046 | } |
878 | |
1047 | |
879 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
1048 | static NV |
|
|
1049 | ts_get (const struct timespec *ts) |
880 | { |
1050 | { |
881 | ssize_t res; |
1051 | return ts->tv_sec + ts->tv_nsec * 1e-9; |
882 | off_t ooffset; |
|
|
883 | |
|
|
884 | LOCK (preadwritelock); |
|
|
885 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
886 | lseek (fd, offset, SEEK_SET); |
|
|
887 | res = write (fd, buf, count); |
|
|
888 | lseek (fd, offset, SEEK_SET); |
|
|
889 | UNLOCK (preadwritelock); |
|
|
890 | |
|
|
891 | return res; |
|
|
892 | } |
1052 | } |
893 | #endif |
|
|
894 | |
1053 | |
895 | #if !HAVE_FDATASYNC |
1054 | /*****************************************************************************/ |
896 | # define fdatasync fsync |
|
|
897 | #endif |
|
|
898 | |
1055 | |
899 | #if !HAVE_READAHEAD |
1056 | XS(boot_IO__AIO) ecb_cold; |
900 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
|
|
901 | |
1057 | |
902 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
1058 | MODULE = IO::AIO PACKAGE = IO::AIO |
903 | { |
|
|
904 | dBUF; |
|
|
905 | |
1059 | |
906 | while (count > 0) |
1060 | PROTOTYPES: ENABLE |
907 | { |
|
|
908 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
|
|
909 | |
1061 | |
910 | pread (fd, aio_buf, len, offset); |
1062 | BOOT: |
911 | offset += len; |
|
|
912 | count -= len; |
|
|
913 | } |
|
|
914 | |
|
|
915 | errno = 0; |
|
|
916 | } |
|
|
917 | |
|
|
918 | #endif |
|
|
919 | |
|
|
920 | #if !HAVE_READDIR_R |
|
|
921 | # define readdir_r aio_readdir_r |
|
|
922 | |
|
|
923 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
924 | |
|
|
925 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
926 | { |
1063 | { |
927 | struct dirent *e; |
1064 | static const struct { |
928 | int errorno; |
1065 | const char *name; |
|
|
1066 | IV iv; |
|
|
1067 | } *civ, const_iv[] = { |
|
|
1068 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
1069 | # define const_iv(name) { # name, (IV) name }, |
|
|
1070 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
929 | |
1071 | |
930 | LOCK (readdirlock); |
1072 | /* you have to re-run ./gendef0 after adding/removing any constants here */ |
|
|
1073 | /* the first block can be undef if missing */ |
|
|
1074 | const_iv (ENOSYS) |
|
|
1075 | const_iv (EXDEV) |
|
|
1076 | const_iv (EBADR) |
931 | |
1077 | |
932 | e = readdir (dirp); |
1078 | /* for lseek */ |
933 | errorno = errno; |
1079 | const_iv (SEEK_DATA) |
|
|
1080 | const_iv (SEEK_HOLE) |
934 | |
1081 | |
935 | if (e) |
1082 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
936 | { |
1083 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
937 | *res = ent; |
1084 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
938 | strcpy (ent->d_name, e->d_name); |
1085 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
939 | } |
1086 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
940 | else |
1087 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
941 | *res = 0; |
|
|
942 | |
1088 | |
943 | UNLOCK (readdirlock); |
1089 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
1090 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
1091 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
1092 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
1093 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
944 | |
1094 | |
945 | errno = errorno; |
1095 | /* the second block will be 0 when missing */ |
946 | return e ? 0 : -1; |
1096 | const_iv (O_ACCMODE) |
947 | } |
|
|
948 | #endif |
|
|
949 | |
1097 | |
950 | /* sendfile always needs emulation */ |
1098 | const_iv (O_RDONLY) |
951 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
1099 | const_iv (O_WRONLY) |
952 | { |
1100 | const_iv (O_RDWR) |
953 | ssize_t res; |
1101 | const_iv (O_CREAT) |
|
|
1102 | const_iv (O_TRUNC) |
|
|
1103 | const_iv (O_EXCL) |
|
|
1104 | const_iv (O_APPEND) |
954 | |
1105 | |
955 | if (!count) |
1106 | const_iv (O_ASYNC) |
956 | return 0; |
1107 | const_iv (O_DIRECT) |
|
|
1108 | const_iv (O_NOATIME) |
957 | |
1109 | |
958 | #if HAVE_SENDFILE |
1110 | const_iv (O_CLOEXEC) |
959 | # if __linux |
1111 | const_iv (O_NOCTTY) |
960 | res = sendfile (ofd, ifd, &offset, count); |
1112 | const_iv (O_NOFOLLOW) |
|
|
1113 | const_iv (O_NONBLOCK) |
|
|
1114 | const_iv (O_EXEC) |
|
|
1115 | const_iv (O_SEARCH) |
|
|
1116 | const_iv (O_DIRECTORY) |
|
|
1117 | const_iv (O_DSYNC) |
|
|
1118 | const_iv (O_RSYNC) |
|
|
1119 | const_iv (O_SYNC) |
|
|
1120 | const_iv (O_PATH) |
|
|
1121 | const_iv (O_TMPFILE) |
|
|
1122 | const_iv (O_TTY_INIT) |
961 | |
1123 | |
962 | # elif __freebsd |
1124 | const_iv (S_IFIFO) |
963 | /* |
1125 | const_iv (S_IFCHR) |
964 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
1126 | const_iv (S_IFBLK) |
965 | * wasted on making it similar to other I/O functions. |
1127 | const_iv (S_IFLNK) |
966 | */ |
1128 | const_iv (S_IFREG) |
|
|
1129 | const_iv (S_IFDIR) |
|
|
1130 | const_iv (S_IFWHT) |
|
|
1131 | const_iv (S_IFSOCK) |
|
|
1132 | const_iv (S_IFMT) |
|
|
1133 | |
|
|
1134 | const_iv (ST_RDONLY) |
|
|
1135 | const_iv (ST_NOSUID) |
|
|
1136 | const_iv (ST_NODEV) |
|
|
1137 | const_iv (ST_NOEXEC) |
|
|
1138 | const_iv (ST_SYNCHRONOUS) |
|
|
1139 | const_iv (ST_MANDLOCK) |
|
|
1140 | const_iv (ST_WRITE) |
|
|
1141 | const_iv (ST_APPEND) |
|
|
1142 | const_iv (ST_IMMUTABLE) |
|
|
1143 | const_iv (ST_NOATIME) |
|
|
1144 | const_iv (ST_NODIRATIME) |
|
|
1145 | const_iv (ST_RELATIME) |
|
|
1146 | |
|
|
1147 | const_iv (PROT_NONE) |
|
|
1148 | const_iv (PROT_EXEC) |
|
|
1149 | const_iv (PROT_READ) |
|
|
1150 | const_iv (PROT_WRITE) |
|
|
1151 | |
|
|
1152 | const_iv (MAP_PRIVATE) |
|
|
1153 | const_iv (MAP_SHARED) |
|
|
1154 | const_iv (MAP_FIXED) |
|
|
1155 | const_iv (MAP_ANONYMOUS) |
|
|
1156 | |
|
|
1157 | /* linuxish */ |
|
|
1158 | const_iv (MAP_LOCKED) |
|
|
1159 | const_iv (MAP_NORESERVE) |
|
|
1160 | const_iv (MAP_POPULATE) |
|
|
1161 | const_iv (MAP_NONBLOCK) |
|
|
1162 | const_iv (MAP_GROWSDOWN) |
|
|
1163 | const_iv (MAP_32BIT) |
|
|
1164 | const_iv (MAP_HUGETLB) |
|
|
1165 | const_iv (MAP_STACK) |
|
|
1166 | |
|
|
1167 | const_iv (MREMAP_MAYMOVE) |
|
|
1168 | const_iv (MREMAP_FIXED) |
|
|
1169 | |
|
|
1170 | const_iv (F_DUPFD_CLOEXEC) |
|
|
1171 | |
|
|
1172 | const_iv (MSG_CMSG_CLOEXEC) |
|
|
1173 | const_iv (SOCK_CLOEXEC) |
|
|
1174 | |
|
|
1175 | const_iv (F_OFD_GETLK) |
|
|
1176 | const_iv (F_OFD_SETLK) |
|
|
1177 | const_iv (F_OFD_GETLKW) |
|
|
1178 | |
|
|
1179 | const_iv (FIFREEZE) |
|
|
1180 | const_iv (FITHAW) |
|
|
1181 | const_iv (FITRIM) |
|
|
1182 | const_iv (FICLONE) |
|
|
1183 | const_iv (FICLONERANGE) |
|
|
1184 | const_iv (FIDEDUPERANGE) |
|
|
1185 | |
|
|
1186 | const_iv (FS_IOC_GETFLAGS) |
|
|
1187 | const_iv (FS_IOC_SETFLAGS) |
|
|
1188 | const_iv (FS_IOC_GETVERSION) |
|
|
1189 | const_iv (FS_IOC_SETVERSION) |
|
|
1190 | const_iv (FS_IOC_FIEMAP) |
|
|
1191 | const_iv (FS_IOC_FSGETXATTR) |
|
|
1192 | const_iv (FS_IOC_FSSETXATTR) |
|
|
1193 | const_iv (FS_IOC_SET_ENCRYPTION_POLICY) |
|
|
1194 | const_iv (FS_IOC_GET_ENCRYPTION_PWSALT) |
|
|
1195 | const_iv (FS_IOC_GET_ENCRYPTION_POLICY) |
|
|
1196 | |
|
|
1197 | const_iv (FS_KEY_DESCRIPTOR_SIZE) |
|
|
1198 | |
|
|
1199 | const_iv (FS_SECRM_FL) |
|
|
1200 | const_iv (FS_UNRM_FL) |
|
|
1201 | const_iv (FS_COMPR_FL) |
|
|
1202 | const_iv (FS_SYNC_FL) |
|
|
1203 | const_iv (FS_IMMUTABLE_FL) |
|
|
1204 | const_iv (FS_APPEND_FL) |
|
|
1205 | const_iv (FS_NODUMP_FL) |
|
|
1206 | const_iv (FS_NOATIME_FL) |
|
|
1207 | const_iv (FS_DIRTY_FL) |
|
|
1208 | const_iv (FS_COMPRBLK_FL) |
|
|
1209 | const_iv (FS_NOCOMP_FL) |
|
|
1210 | const_iv (FS_ENCRYPT_FL) |
|
|
1211 | const_iv (FS_BTREE_FL) |
|
|
1212 | const_iv (FS_INDEX_FL) |
|
|
1213 | const_iv (FS_JOURNAL_DATA_FL) |
|
|
1214 | const_iv (FS_NOTAIL_FL) |
|
|
1215 | const_iv (FS_DIRSYNC_FL) |
|
|
1216 | const_iv (FS_TOPDIR_FL) |
|
|
1217 | const_iv (FS_FL_USER_MODIFIABLE) |
|
|
1218 | |
|
|
1219 | const_iv (FS_XFLAG_REALTIME) |
|
|
1220 | const_iv (FS_XFLAG_PREALLOC) |
|
|
1221 | const_iv (FS_XFLAG_IMMUTABLE) |
|
|
1222 | const_iv (FS_XFLAG_APPEND) |
|
|
1223 | const_iv (FS_XFLAG_SYNC) |
|
|
1224 | const_iv (FS_XFLAG_NOATIME) |
|
|
1225 | const_iv (FS_XFLAG_NODUMP) |
|
|
1226 | const_iv (FS_XFLAG_RTINHERIT) |
|
|
1227 | const_iv (FS_XFLAG_PROJINHERIT) |
|
|
1228 | const_iv (FS_XFLAG_NOSYMLINKS) |
|
|
1229 | const_iv (FS_XFLAG_EXTSIZE) |
|
|
1230 | const_iv (FS_XFLAG_EXTSZINHERIT) |
|
|
1231 | const_iv (FS_XFLAG_NODEFRAG) |
|
|
1232 | const_iv (FS_XFLAG_FILESTREAM) |
|
|
1233 | const_iv (FS_XFLAG_DAX) |
|
|
1234 | const_iv (FS_XFLAG_HASATTR) |
|
|
1235 | |
|
|
1236 | const_iv (FIEMAP_FLAG_SYNC) |
|
|
1237 | const_iv (FIEMAP_FLAG_XATTR) |
|
|
1238 | const_iv (FIEMAP_FLAGS_COMPAT) |
|
|
1239 | const_iv (FIEMAP_EXTENT_LAST) |
|
|
1240 | const_iv (FIEMAP_EXTENT_UNKNOWN) |
|
|
1241 | const_iv (FIEMAP_EXTENT_DELALLOC) |
|
|
1242 | const_iv (FIEMAP_EXTENT_ENCODED) |
|
|
1243 | const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) |
|
|
1244 | const_iv (FIEMAP_EXTENT_NOT_ALIGNED) |
|
|
1245 | const_iv (FIEMAP_EXTENT_DATA_INLINE) |
|
|
1246 | const_iv (FIEMAP_EXTENT_DATA_TAIL) |
|
|
1247 | const_iv (FIEMAP_EXTENT_UNWRITTEN) |
|
|
1248 | const_iv (FIEMAP_EXTENT_MERGED) |
|
|
1249 | const_iv (FIEMAP_EXTENT_SHARED) |
|
|
1250 | |
|
|
1251 | const_iv (SPLICE_F_MOVE) |
|
|
1252 | const_iv (SPLICE_F_NONBLOCK) |
|
|
1253 | const_iv (SPLICE_F_MORE) |
|
|
1254 | const_iv (SPLICE_F_GIFT) |
|
|
1255 | |
|
|
1256 | const_iv (EFD_CLOEXEC) |
|
|
1257 | const_iv (EFD_NONBLOCK) |
|
|
1258 | const_iv (EFD_SEMAPHORE) |
|
|
1259 | |
|
|
1260 | const_iv (CLOCK_REALTIME) |
|
|
1261 | const_iv (CLOCK_MONOTONIC) |
|
|
1262 | const_iv (CLOCK_BOOTTIME) |
|
|
1263 | const_iv (CLOCK_REALTIME_ALARM) |
|
|
1264 | const_iv (CLOCK_BOOTTIME_ALARM) |
|
|
1265 | |
|
|
1266 | const_iv (TFD_NONBLOCK) |
|
|
1267 | const_iv (TFD_CLOEXEC) |
|
|
1268 | |
|
|
1269 | const_iv (TFD_TIMER_ABSTIME) |
|
|
1270 | const_iv (TFD_TIMER_CANCEL_ON_SET) |
|
|
1271 | |
|
|
1272 | /* these are libeio constants, and are independent of gendef0 */ |
|
|
1273 | const_eio (SEEK_SET) |
|
|
1274 | const_eio (SEEK_CUR) |
|
|
1275 | const_eio (SEEK_END) |
|
|
1276 | |
|
|
1277 | const_eio (MCL_FUTURE) |
|
|
1278 | const_eio (MCL_CURRENT) |
|
|
1279 | const_eio (MCL_ONFAULT) |
|
|
1280 | |
|
|
1281 | const_eio (MS_ASYNC) |
|
|
1282 | const_eio (MS_INVALIDATE) |
|
|
1283 | const_eio (MS_SYNC) |
|
|
1284 | |
|
|
1285 | const_eio (MT_MODIFY) |
|
|
1286 | |
|
|
1287 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
1288 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
1289 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
1290 | |
|
|
1291 | const_eio (FALLOC_FL_KEEP_SIZE) |
|
|
1292 | const_eio (FALLOC_FL_PUNCH_HOLE) |
|
|
1293 | const_eio (FALLOC_FL_COLLAPSE_RANGE) |
|
|
1294 | const_eio (FALLOC_FL_ZERO_RANGE) |
|
|
1295 | const_eio (FALLOC_FL_INSERT_RANGE) |
|
|
1296 | const_eio (FALLOC_FL_UNSHARE_RANGE) |
|
|
1297 | |
|
|
1298 | const_eio (RENAME_NOREPLACE) |
|
|
1299 | const_eio (RENAME_EXCHANGE) |
|
|
1300 | const_eio (RENAME_WHITEOUT) |
|
|
1301 | |
|
|
1302 | const_eio (READDIR_DENTS) |
|
|
1303 | const_eio (READDIR_DIRS_FIRST) |
|
|
1304 | const_eio (READDIR_STAT_ORDER) |
|
|
1305 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
1306 | |
|
|
1307 | const_eio (DT_UNKNOWN) |
|
|
1308 | const_eio (DT_FIFO) |
|
|
1309 | const_eio (DT_CHR) |
|
|
1310 | const_eio (DT_DIR) |
|
|
1311 | const_eio (DT_BLK) |
|
|
1312 | const_eio (DT_REG) |
|
|
1313 | const_eio (DT_LNK) |
|
|
1314 | const_eio (DT_SOCK) |
|
|
1315 | const_eio (DT_WHT) |
|
|
1316 | }; |
|
|
1317 | |
|
|
1318 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
1319 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
1320 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
|
|
1321 | aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
|
|
1322 | |
|
|
1323 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
|
|
1324 | newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
|
|
1325 | |
|
|
1326 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
|
|
1327 | |
|
|
1328 | /* allocate dummy pipe fd for aio_close */ |
967 | { |
1329 | { |
968 | off_t sbytes; |
1330 | int pipefd [2]; |
969 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
970 | |
1331 | |
971 | if (res < 0 && sbytes) |
1332 | if ( |
972 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
1333 | #ifdef _WIN32 |
973 | res = sbytes; |
1334 | _pipe (pipefd, 1, _O_BINARY) < 0 |
|
|
1335 | #else |
|
|
1336 | pipe (pipefd) < 0 |
|
|
1337 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
|
|
1338 | #endif |
|
|
1339 | || close (pipefd [1]) < 0 |
|
|
1340 | ) |
|
|
1341 | croak ("IO::AIO: unable to create dummy pipe for aio_close"); |
|
|
1342 | |
|
|
1343 | close_fd = pipefd [0]; |
974 | } |
1344 | } |
975 | |
1345 | |
976 | # elif __hpux |
1346 | reinit (); |
977 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
978 | |
|
|
979 | # elif __solaris |
|
|
980 | { |
|
|
981 | struct sendfilevec vec; |
|
|
982 | size_t sbytes; |
|
|
983 | |
|
|
984 | vec.sfv_fd = ifd; |
|
|
985 | vec.sfv_flag = 0; |
|
|
986 | vec.sfv_off = offset; |
|
|
987 | vec.sfv_len = count; |
|
|
988 | |
|
|
989 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
990 | |
|
|
991 | if (res < 0 && sbytes) |
|
|
992 | res = sbytes; |
|
|
993 | } |
|
|
994 | |
|
|
995 | # endif |
|
|
996 | #else |
|
|
997 | res = -1; |
|
|
998 | errno = ENOSYS; |
|
|
999 | #endif |
|
|
1000 | |
|
|
1001 | if (res < 0 |
|
|
1002 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
1003 | #if __solaris |
|
|
1004 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
1005 | #endif |
|
|
1006 | ) |
|
|
1007 | ) |
|
|
1008 | { |
|
|
1009 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
1010 | dBUF; |
|
|
1011 | |
|
|
1012 | res = 0; |
|
|
1013 | |
|
|
1014 | while (count) |
|
|
1015 | { |
|
|
1016 | ssize_t cnt; |
|
|
1017 | |
|
|
1018 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
|
|
1019 | |
|
|
1020 | if (cnt <= 0) |
|
|
1021 | { |
|
|
1022 | if (cnt && !res) res = -1; |
|
|
1023 | break; |
|
|
1024 | } |
|
|
1025 | |
|
|
1026 | cnt = write (ofd, aio_buf, cnt); |
|
|
1027 | |
|
|
1028 | if (cnt <= 0) |
|
|
1029 | { |
|
|
1030 | if (cnt && !res) res = -1; |
|
|
1031 | break; |
|
|
1032 | } |
|
|
1033 | |
|
|
1034 | offset += cnt; |
|
|
1035 | res += cnt; |
|
|
1036 | count -= cnt; |
|
|
1037 | } |
|
|
1038 | } |
|
|
1039 | |
|
|
1040 | return res; |
|
|
1041 | } |
1347 | } |
1042 | |
1348 | |
1043 | /* read a full directory */ |
|
|
1044 | static void scandir_ (aio_req req, worker *self) |
|
|
1045 | { |
|
|
1046 | DIR *dirp; |
|
|
1047 | union |
|
|
1048 | { |
|
|
1049 | struct dirent d; |
|
|
1050 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
1051 | } *u; |
|
|
1052 | struct dirent *entp; |
|
|
1053 | char *name, *names; |
|
|
1054 | int memlen = 4096; |
|
|
1055 | int memofs = 0; |
|
|
1056 | int res = 0; |
|
|
1057 | int errorno; |
|
|
1058 | |
|
|
1059 | LOCK (wrklock); |
|
|
1060 | self->dirp = dirp = opendir (req->ptr1); |
|
|
1061 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1062 | req->flags |= FLAG_PTR2_FREE; |
|
|
1063 | req->ptr2 = names = malloc (memlen); |
|
|
1064 | UNLOCK (wrklock); |
|
|
1065 | |
|
|
1066 | if (dirp && u && names) |
|
|
1067 | for (;;) |
|
|
1068 | { |
|
|
1069 | errno = 0; |
|
|
1070 | readdir_r (dirp, &u->d, &entp); |
|
|
1071 | |
|
|
1072 | if (!entp) |
|
|
1073 | break; |
|
|
1074 | |
|
|
1075 | name = entp->d_name; |
|
|
1076 | |
|
|
1077 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
1078 | { |
|
|
1079 | int len = strlen (name) + 1; |
|
|
1080 | |
|
|
1081 | res++; |
|
|
1082 | |
|
|
1083 | while (memofs + len > memlen) |
|
|
1084 | { |
|
|
1085 | memlen *= 2; |
|
|
1086 | LOCK (wrklock); |
|
|
1087 | req->ptr2 = names = realloc (names, memlen); |
|
|
1088 | UNLOCK (wrklock); |
|
|
1089 | |
|
|
1090 | if (!names) |
|
|
1091 | break; |
|
|
1092 | } |
|
|
1093 | |
|
|
1094 | memcpy (names + memofs, name, len); |
|
|
1095 | memofs += len; |
|
|
1096 | } |
|
|
1097 | } |
|
|
1098 | |
|
|
1099 | if (errno) |
|
|
1100 | res = -1; |
|
|
1101 | |
|
|
1102 | req->result = res; |
|
|
1103 | } |
|
|
1104 | |
|
|
1105 | /*****************************************************************************/ |
|
|
1106 | |
|
|
1107 | static void *aio_proc (void *thr_arg) |
|
|
1108 | { |
|
|
1109 | aio_req req; |
|
|
1110 | struct timespec ts; |
|
|
1111 | worker *self = (worker *)thr_arg; |
|
|
1112 | |
|
|
1113 | /* try to distribute timeouts somewhat evenly */ |
|
|
1114 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
1115 | * (1000000000UL / 1024UL); |
|
|
1116 | |
|
|
1117 | for (;;) |
|
|
1118 | { |
|
|
1119 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1120 | |
|
|
1121 | LOCK (reqlock); |
|
|
1122 | |
|
|
1123 | for (;;) |
|
|
1124 | { |
|
|
1125 | self->req = req = reqq_shift (&req_queue); |
|
|
1126 | |
|
|
1127 | if (req) |
|
|
1128 | break; |
|
|
1129 | |
|
|
1130 | ++idle; |
|
|
1131 | |
|
|
1132 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
|
|
1133 | == ETIMEDOUT) |
|
|
1134 | { |
|
|
1135 | if (idle > max_idle) |
|
|
1136 | { |
|
|
1137 | --idle; |
|
|
1138 | UNLOCK (reqlock); |
|
|
1139 | LOCK (wrklock); |
|
|
1140 | --started; |
|
|
1141 | UNLOCK (wrklock); |
|
|
1142 | goto quit; |
|
|
1143 | } |
|
|
1144 | |
|
|
1145 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1146 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
1147 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1148 | } |
|
|
1149 | |
|
|
1150 | --idle; |
|
|
1151 | } |
|
|
1152 | |
|
|
1153 | --nready; |
|
|
1154 | |
|
|
1155 | UNLOCK (reqlock); |
|
|
1156 | |
|
|
1157 | errno = 0; /* strictly unnecessary */ |
|
|
1158 | |
|
|
1159 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
1160 | switch (req->type) |
|
|
1161 | { |
|
|
1162 | case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break; |
|
|
1163 | case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break; |
|
|
1164 | |
|
|
1165 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
|
|
1166 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
|
|
1167 | |
|
|
1168 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1169 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1170 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
|
|
1171 | |
|
|
1172 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
|
|
1173 | case REQ_CLOSE: req->result = close (req->int1); break; |
|
|
1174 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
|
|
1175 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1176 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
|
|
1177 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
|
|
1178 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
|
|
1179 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1180 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
|
|
1181 | |
|
|
1182 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
|
|
1183 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
|
|
1184 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
1185 | |
|
|
1186 | case REQ_BUSY: |
|
|
1187 | { |
|
|
1188 | struct timeval tv; |
|
|
1189 | |
|
|
1190 | tv.tv_sec = req->int1; |
|
|
1191 | tv.tv_usec = req->int2; |
|
|
1192 | |
|
|
1193 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1194 | } |
|
|
1195 | |
|
|
1196 | case REQ_GROUP: |
|
|
1197 | case REQ_NOP: |
|
|
1198 | break; |
|
|
1199 | |
|
|
1200 | case REQ_QUIT: |
|
|
1201 | goto quit; |
|
|
1202 | |
|
|
1203 | default: |
|
|
1204 | req->result = ENOSYS; |
|
|
1205 | break; |
|
|
1206 | } |
|
|
1207 | |
|
|
1208 | req->errorno = errno; |
|
|
1209 | |
|
|
1210 | LOCK (reslock); |
|
|
1211 | |
|
|
1212 | ++npending; |
|
|
1213 | |
|
|
1214 | if (!reqq_push (&res_queue, req)) |
|
|
1215 | { |
|
|
1216 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
1217 | write (respipe [1], &respipe, 1); |
|
|
1218 | |
|
|
1219 | /* optionally signal the main thread asynchronously */ |
|
|
1220 | if (main_sig) |
|
|
1221 | pthread_kill (main_tid, main_sig); |
|
|
1222 | } |
|
|
1223 | |
|
|
1224 | self->req = 0; |
|
|
1225 | worker_clear (self); |
|
|
1226 | |
|
|
1227 | UNLOCK (reslock); |
|
|
1228 | } |
|
|
1229 | |
|
|
1230 | quit: |
|
|
1231 | LOCK (wrklock); |
|
|
1232 | worker_free (self); |
|
|
1233 | UNLOCK (wrklock); |
|
|
1234 | |
|
|
1235 | return 0; |
|
|
1236 | } |
|
|
1237 | |
|
|
1238 | /*****************************************************************************/ |
|
|
1239 | |
|
|
1240 | static void atfork_prepare (void) |
|
|
1241 | { |
|
|
1242 | LOCK (wrklock); |
|
|
1243 | LOCK (reqlock); |
|
|
1244 | LOCK (reslock); |
|
|
1245 | #if !HAVE_PREADWRITE |
|
|
1246 | LOCK (preadwritelock); |
|
|
1247 | #endif |
|
|
1248 | #if !HAVE_READDIR_R |
|
|
1249 | LOCK (readdirlock); |
|
|
1250 | #endif |
|
|
1251 | } |
|
|
1252 | |
|
|
1253 | static void atfork_parent (void) |
|
|
1254 | { |
|
|
1255 | #if !HAVE_READDIR_R |
|
|
1256 | UNLOCK (readdirlock); |
|
|
1257 | #endif |
|
|
1258 | #if !HAVE_PREADWRITE |
|
|
1259 | UNLOCK (preadwritelock); |
|
|
1260 | #endif |
|
|
1261 | UNLOCK (reslock); |
|
|
1262 | UNLOCK (reqlock); |
|
|
1263 | UNLOCK (wrklock); |
|
|
1264 | } |
|
|
1265 | |
|
|
1266 | static void atfork_child (void) |
|
|
1267 | { |
|
|
1268 | aio_req prv; |
|
|
1269 | |
|
|
1270 | while (prv = reqq_shift (&req_queue)) |
|
|
1271 | req_free (prv); |
|
|
1272 | |
|
|
1273 | while (prv = reqq_shift (&res_queue)) |
|
|
1274 | req_free (prv); |
|
|
1275 | |
|
|
1276 | while (wrk_first.next != &wrk_first) |
|
|
1277 | { |
|
|
1278 | worker *wrk = wrk_first.next; |
|
|
1279 | |
|
|
1280 | if (wrk->req) |
|
|
1281 | req_free (wrk->req); |
|
|
1282 | |
|
|
1283 | worker_clear (wrk); |
|
|
1284 | worker_free (wrk); |
|
|
1285 | } |
|
|
1286 | |
|
|
1287 | started = 0; |
|
|
1288 | idle = 0; |
|
|
1289 | nreqs = 0; |
|
|
1290 | nready = 0; |
|
|
1291 | npending = 0; |
|
|
1292 | |
|
|
1293 | close (respipe [0]); |
|
|
1294 | close (respipe [1]); |
|
|
1295 | create_pipe (); |
|
|
1296 | |
|
|
1297 | atfork_parent (); |
|
|
1298 | } |
|
|
1299 | |
|
|
1300 | #define dREQ \ |
|
|
1301 | aio_req req; \ |
|
|
1302 | int req_pri = next_pri; \ |
|
|
1303 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
|
|
1304 | \ |
|
|
1305 | if (SvOK (callback) && !SvROK (callback)) \ |
|
|
1306 | croak ("callback must be undef or of reference type"); \ |
|
|
1307 | \ |
|
|
1308 | Newz (0, req, 1, aio_cb); \ |
|
|
1309 | if (!req) \ |
|
|
1310 | croak ("out of memory during aio_req allocation"); \ |
|
|
1311 | \ |
|
|
1312 | req->callback = newSVsv (callback); \ |
|
|
1313 | req->pri = req_pri |
|
|
1314 | |
|
|
1315 | #define REQ_SEND \ |
|
|
1316 | req_send (req); \ |
|
|
1317 | \ |
|
|
1318 | if (GIMME_V != G_VOID) \ |
|
|
1319 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
|
|
1320 | |
|
|
1321 | MODULE = IO::AIO PACKAGE = IO::AIO |
|
|
1322 | |
|
|
1323 | PROTOTYPES: ENABLE |
|
|
1324 | |
|
|
1325 | BOOT: |
|
|
1326 | { |
|
|
1327 | HV *stash = gv_stashpv ("IO::AIO", 1); |
|
|
1328 | |
|
|
1329 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
|
|
1330 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
|
|
1331 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1332 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1333 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1334 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1335 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
|
|
1336 | |
|
|
1337 | create_pipe (); |
|
|
1338 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
|
|
1339 | } |
|
|
1340 | |
|
|
1341 | void |
1349 | void |
|
|
1350 | reinit () |
|
|
1351 | PROTOTYPE: |
|
|
1352 | |
|
|
1353 | void |
1342 | max_poll_reqs (int nreqs) |
1354 | max_poll_reqs (unsigned int nreqs) |
1343 | PROTOTYPE: $ |
1355 | PROTOTYPE: $ |
1344 | CODE: |
1356 | CODE: |
1345 | max_poll_reqs = nreqs; |
1357 | eio_set_max_poll_reqs (nreqs); |
1346 | |
1358 | |
1347 | void |
1359 | void |
1348 | max_poll_time (double nseconds) |
1360 | max_poll_time (double nseconds) |
1349 | PROTOTYPE: $ |
1361 | PROTOTYPE: $ |
1350 | CODE: |
1362 | CODE: |
1351 | max_poll_time = nseconds * AIO_TICKS; |
1363 | eio_set_max_poll_time (nseconds); |
1352 | |
1364 | |
1353 | void |
1365 | void |
1354 | min_parallel (int nthreads) |
1366 | min_parallel (unsigned int nthreads) |
1355 | PROTOTYPE: $ |
|
|
1356 | |
|
|
1357 | void |
|
|
1358 | max_parallel (int nthreads) |
|
|
1359 | PROTOTYPE: $ |
|
|
1360 | |
|
|
1361 | void |
|
|
1362 | max_idle (int nthreads) |
|
|
1363 | PROTOTYPE: $ |
1367 | PROTOTYPE: $ |
1364 | CODE: |
1368 | CODE: |
1365 | set_max_idle (nthreads); |
1369 | eio_set_min_parallel (nthreads); |
1366 | |
1370 | |
1367 | int |
1371 | void |
1368 | max_outstanding (int maxreqs) |
1372 | max_parallel (unsigned int nthreads) |
1369 | PROTOTYPE: $ |
1373 | PROTOTYPE: $ |
1370 | CODE: |
1374 | CODE: |
1371 | RETVAL = max_outstanding; |
1375 | eio_set_max_parallel (nthreads); |
|
|
1376 | |
|
|
1377 | void |
|
|
1378 | max_idle (unsigned int nthreads) |
|
|
1379 | PROTOTYPE: $ |
|
|
1380 | CODE: |
|
|
1381 | eio_set_max_idle (nthreads); |
|
|
1382 | |
|
|
1383 | void |
|
|
1384 | idle_timeout (unsigned int seconds) |
|
|
1385 | PROTOTYPE: $ |
|
|
1386 | CODE: |
|
|
1387 | eio_set_idle_timeout (seconds); |
|
|
1388 | |
|
|
1389 | void |
|
|
1390 | max_outstanding (unsigned int maxreqs) |
|
|
1391 | PROTOTYPE: $ |
|
|
1392 | CODE: |
1372 | max_outstanding = maxreqs; |
1393 | max_outstanding = maxreqs; |
1373 | OUTPUT: |
|
|
1374 | RETVAL |
|
|
1375 | |
1394 | |
1376 | void |
1395 | void |
1377 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1396 | aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef) |
1378 | SV8 * pathname |
|
|
1379 | int flags |
|
|
1380 | int mode |
|
|
1381 | SV * callback |
|
|
1382 | PROTOTYPE: $$$;$ |
|
|
1383 | PPCODE: |
1397 | PPCODE: |
1384 | { |
1398 | { |
1385 | dREQ; |
1399 | dREQ; |
1386 | |
1400 | |
|
|
1401 | req->type = EIO_WD_OPEN; |
|
|
1402 | req_set_path1 (req, pathname); |
|
|
1403 | |
|
|
1404 | REQ_SEND; |
|
|
1405 | } |
|
|
1406 | |
|
|
1407 | void |
|
|
1408 | aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef) |
|
|
1409 | PPCODE: |
|
|
1410 | { |
|
|
1411 | dREQ; |
|
|
1412 | |
1387 | req->type = REQ_OPEN; |
1413 | req->type = EIO_OPEN; |
1388 | req->sv1 = newSVsv (pathname); |
1414 | req_set_path1 (req, pathname); |
1389 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1390 | req->int1 = flags; |
1415 | req->int1 = flags; |
1391 | req->mode = mode; |
1416 | req->int2 = mode; |
1392 | |
1417 | |
1393 | REQ_SEND; |
1418 | REQ_SEND; |
1394 | } |
1419 | } |
1395 | |
1420 | |
1396 | void |
1421 | void |
1397 | aio_close (fh,callback=&PL_sv_undef) |
1422 | aio_fsync (SV *fh, SV *callback = &PL_sv_undef) |
1398 | SV * fh |
|
|
1399 | SV * callback |
|
|
1400 | PROTOTYPE: $;$ |
|
|
1401 | ALIAS: |
1423 | ALIAS: |
1402 | aio_close = REQ_CLOSE |
|
|
1403 | aio_fsync = REQ_FSYNC |
1424 | aio_fsync = EIO_FSYNC |
1404 | aio_fdatasync = REQ_FDATASYNC |
1425 | aio_fdatasync = EIO_FDATASYNC |
|
|
1426 | aio_syncfs = EIO_SYNCFS |
1405 | PPCODE: |
1427 | PPCODE: |
1406 | { |
1428 | { |
|
|
1429 | int fd = s_fileno_croak (fh, 0); |
1407 | dREQ; |
1430 | dREQ; |
1408 | |
1431 | |
1409 | req->type = ix; |
1432 | req->type = ix; |
1410 | req->fh = newSVsv (fh); |
1433 | req->sv1 = newSVsv (fh); |
1411 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1434 | req->int1 = fd; |
1412 | |
1435 | |
1413 | REQ_SEND (req); |
1436 | REQ_SEND; |
1414 | } |
1437 | } |
1415 | |
1438 | |
1416 | void |
1439 | void |
1417 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1440 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef) |
1418 | SV * fh |
1441 | PPCODE: |
1419 | UV offset |
|
|
1420 | UV length |
|
|
1421 | SV8 * data |
|
|
1422 | UV dataoffset |
|
|
1423 | SV * callback |
|
|
1424 | ALIAS: |
|
|
1425 | aio_read = REQ_READ |
|
|
1426 | aio_write = REQ_WRITE |
|
|
1427 | PROTOTYPE: $$$$$;$ |
|
|
1428 | PPCODE: |
|
|
1429 | { |
1442 | { |
1430 | STRLEN svlen; |
1443 | int fd = s_fileno_croak (fh, 0); |
1431 | char *svptr = SvPVbyte (data, svlen); |
1444 | dREQ; |
1432 | |
1445 | |
1433 | SvUPGRADE (data, SVt_PV); |
1446 | req->type = EIO_SYNC_FILE_RANGE; |
1434 | SvPOK_on (data); |
1447 | req->sv1 = newSVsv (fh); |
|
|
1448 | req->int1 = fd; |
|
|
1449 | req->offs = offset; |
|
|
1450 | req->size = nbytes; |
|
|
1451 | req->int2 = flags; |
1435 | |
1452 | |
1436 | if (dataoffset < 0) |
1453 | REQ_SEND; |
1437 | dataoffset += svlen; |
1454 | } |
1438 | |
1455 | |
1439 | if (dataoffset < 0 || dataoffset > svlen) |
1456 | void |
1440 | croak ("data offset outside of string"); |
1457 | aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef) |
|
|
1458 | PPCODE: |
|
|
1459 | { |
|
|
1460 | int fd = s_fileno_croak (fh, 0); |
|
|
1461 | dREQ; |
1441 | |
1462 | |
1442 | if (ix == REQ_WRITE) |
1463 | req->type = EIO_FALLOCATE; |
|
|
1464 | req->sv1 = newSVsv (fh); |
|
|
1465 | req->int1 = fd; |
|
|
1466 | req->int2 = mode; |
|
|
1467 | req->offs = offset; |
|
|
1468 | req->size = len; |
|
|
1469 | |
|
|
1470 | REQ_SEND; |
|
|
1471 | } |
|
|
1472 | |
|
|
1473 | void |
|
|
1474 | aio_close (SV *fh, SV *callback = &PL_sv_undef) |
|
|
1475 | PPCODE: |
|
|
1476 | { |
|
|
1477 | dREQ; |
|
|
1478 | int fd = s_fileno_croak (fh, 0); |
|
|
1479 | |
|
|
1480 | /* partially duplicate logic in s_fileno */ |
|
|
1481 | SvGETMAGIC (fh); |
|
|
1482 | |
|
|
1483 | if (SvROK (fh)) |
|
|
1484 | { |
|
|
1485 | fh = SvRV (fh); |
|
|
1486 | SvGETMAGIC (fh); |
|
|
1487 | } |
|
|
1488 | |
|
|
1489 | if (SvTYPE (fh) == SVt_PVGV) |
1443 | { |
1490 | { |
1444 | /* write: check length and adjust. */ |
1491 | /* perl filehandle */ |
1445 | if (length < 0 || length + dataoffset > svlen) |
1492 | PerlIOUnix_refcnt_inc (fd); |
1446 | length = svlen - dataoffset; |
1493 | do_close ((GV *)fh, 1); |
|
|
1494 | |
|
|
1495 | req->type = EIO_CLOSE; |
|
|
1496 | req->int1 = fd; |
|
|
1497 | /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */ |
1447 | } |
1498 | } |
1448 | else |
1499 | else |
1449 | { |
1500 | { |
1450 | /* read: grow scalar as necessary */ |
1501 | /* fd number */ |
1451 | svptr = SvGROW (data, length + dataoffset); |
1502 | req->type = EIO_DUP2; |
|
|
1503 | req->int1 = close_fd; |
|
|
1504 | req->sv2 = newSVsv (fh); |
|
|
1505 | req->int2 = fd; |
1452 | } |
1506 | } |
1453 | |
1507 | |
|
|
1508 | REQ_SEND; |
|
|
1509 | } |
|
|
1510 | |
|
|
1511 | void |
|
|
1512 | aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef) |
|
|
1513 | PPCODE: |
|
|
1514 | { |
|
|
1515 | int fd = s_fileno_croak (fh, 0); |
|
|
1516 | dREQ; |
|
|
1517 | |
|
|
1518 | req->type = EIO_SEEK; |
|
|
1519 | req->sv1 = newSVsv (fh); |
|
|
1520 | req->int1 = fd; |
|
|
1521 | req->offs = SvVAL64 (offset); |
|
|
1522 | req->int2 = whence; |
|
|
1523 | |
|
|
1524 | REQ_SEND; |
|
|
1525 | } |
|
|
1526 | |
|
|
1527 | void |
|
|
1528 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef) |
|
|
1529 | ALIAS: |
|
|
1530 | aio_read = EIO_READ |
|
|
1531 | aio_write = EIO_WRITE |
|
|
1532 | PPCODE: |
|
|
1533 | { |
|
|
1534 | STRLEN svlen; |
|
|
1535 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
|
|
1536 | char *svptr = SvPVbyte (data, svlen); |
|
|
1537 | UV len = SvUV (length); |
|
|
1538 | |
1454 | if (length < 0) |
1539 | if (dataoffset < 0) |
1455 | croak ("length must not be negative"); |
1540 | dataoffset += svlen; |
|
|
1541 | |
|
|
1542 | if (dataoffset < 0 || dataoffset > svlen) |
|
|
1543 | croak ("dataoffset outside of data scalar"); |
|
|
1544 | |
|
|
1545 | if (ix == EIO_WRITE) |
|
|
1546 | { |
|
|
1547 | /* write: check length and adjust. */ |
|
|
1548 | if (!SvOK (length) || len + dataoffset > svlen) |
|
|
1549 | len = svlen - dataoffset; |
|
|
1550 | } |
|
|
1551 | else |
|
|
1552 | { |
|
|
1553 | /* read: check type and grow scalar as necessary */ |
|
|
1554 | if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
|
|
1555 | svptr = sv_grow (data, len + dataoffset + 1); |
|
|
1556 | else if (SvCUR (data) < len + dataoffset) |
|
|
1557 | croak ("length + dataoffset outside of scalar, and cannot grow"); |
|
|
1558 | } |
1456 | |
1559 | |
1457 | { |
1560 | { |
1458 | dREQ; |
1561 | dREQ; |
1459 | |
1562 | |
1460 | req->type = ix; |
1563 | req->type = ix; |
1461 | req->fh = newSVsv (fh); |
1564 | req->sv1 = newSVsv (fh); |
1462 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1565 | req->int1 = fd; |
1463 | : IoOFP (sv_2io (fh))); |
1566 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1464 | req->offs = offset; |
|
|
1465 | req->size = length; |
1567 | req->size = len; |
1466 | req->sv1 = SvREFCNT_inc (data); |
1568 | req->sv2 = SvREFCNT_inc (data); |
1467 | req->ptr1 = (char *)svptr + dataoffset; |
1569 | req->ptr2 = (char *)svptr + dataoffset; |
1468 | req->stroffset = dataoffset; |
1570 | req->stroffset = dataoffset; |
1469 | |
1571 | |
1470 | if (!SvREADONLY (data)) |
1572 | if (!SvREADONLY (data)) |
1471 | { |
1573 | { |
1472 | SvREADONLY_on (data); |
1574 | SvREADONLY_on (data); |
1473 | req->flags |= FLAG_SV1_RO_OFF; |
1575 | req->flags |= FLAG_SV2_RO_OFF; |
1474 | } |
1576 | } |
1475 | |
1577 | |
1476 | REQ_SEND; |
1578 | REQ_SEND; |
1477 | } |
1579 | } |
1478 | } |
1580 | } |
1479 | |
1581 | |
1480 | void |
1582 | void |
1481 | aio_readlink (path,callback=&PL_sv_undef) |
1583 | aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef) |
1482 | SV8 * path |
1584 | ALIAS: |
1483 | SV * callback |
1585 | aio_ioctl = EIO_IOCTL |
1484 | PROTOTYPE: $$;$ |
1586 | aio_fcntl = EIO_FCNTL |
1485 | PPCODE: |
1587 | PPCODE: |
1486 | { |
1588 | { |
1487 | SV *data; |
1589 | int fd = s_fileno_croak (fh, 0); |
|
|
1590 | char *svptr; |
|
|
1591 | |
|
|
1592 | if (SvPOK (arg) || !SvNIOK (arg)) |
|
|
1593 | { |
|
|
1594 | STRLEN svlen; |
|
|
1595 | /* perl uses IOCPARM_LEN for fcntl, so we do, too */ |
|
|
1596 | #ifdef IOCPARM_LEN |
|
|
1597 | STRLEN need = IOCPARM_LEN (request); |
|
|
1598 | #else |
|
|
1599 | STRLEN need = 256; |
|
|
1600 | #endif |
|
|
1601 | |
|
|
1602 | if (svlen < need) |
|
|
1603 | svptr = SvGROW (arg, need); |
|
|
1604 | } |
|
|
1605 | else |
|
|
1606 | svptr = (char *)SvIV (arg); |
|
|
1607 | |
|
|
1608 | { |
|
|
1609 | dREQ; |
|
|
1610 | |
|
|
1611 | req->type = ix; |
|
|
1612 | req->sv1 = newSVsv (fh); |
|
|
1613 | req->int1 = fd; |
|
|
1614 | req->int2 = (long)request; |
|
|
1615 | req->sv2 = SvREFCNT_inc (arg); |
|
|
1616 | req->ptr2 = svptr; |
|
|
1617 | |
|
|
1618 | REQ_SEND; |
|
|
1619 | } |
|
|
1620 | } |
|
|
1621 | |
|
|
1622 | void |
|
|
1623 | aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
|
|
1624 | ALIAS: |
|
|
1625 | aio_readlink = EIO_READLINK |
|
|
1626 | aio_realpath = EIO_REALPATH |
|
|
1627 | PPCODE: |
|
|
1628 | { |
1488 | dREQ; |
1629 | dREQ; |
1489 | |
1630 | |
1490 | data = newSV (NAME_MAX); |
|
|
1491 | SvPOK_on (data); |
|
|
1492 | |
|
|
1493 | req->type = REQ_READLINK; |
1631 | req->type = ix; |
1494 | req->fh = newSVsv (path); |
1632 | req_set_path1 (req, pathname); |
1495 | req->ptr2 = SvPVbyte_nolen (req->fh); |
|
|
1496 | req->sv1 = data; |
|
|
1497 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1498 | |
1633 | |
1499 | REQ_SEND; |
1634 | REQ_SEND; |
1500 | } |
1635 | } |
1501 | |
1636 | |
1502 | void |
1637 | void |
1503 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1638 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef) |
1504 | SV * out_fh |
|
|
1505 | SV * in_fh |
|
|
1506 | UV in_offset |
|
|
1507 | UV length |
|
|
1508 | SV * callback |
|
|
1509 | PROTOTYPE: $$$$;$ |
|
|
1510 | PPCODE: |
1639 | PPCODE: |
1511 | { |
1640 | { |
|
|
1641 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
1642 | int ofd = s_fileno_croak (out_fh, 1); |
1512 | dREQ; |
1643 | dREQ; |
1513 | |
1644 | |
1514 | req->type = REQ_SENDFILE; |
1645 | req->type = EIO_SENDFILE; |
1515 | req->fh = newSVsv (out_fh); |
1646 | req->sv1 = newSVsv (out_fh); |
1516 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1647 | req->int1 = ofd; |
1517 | req->sv2 = newSVsv (in_fh); |
1648 | req->sv2 = newSVsv (in_fh); |
1518 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1649 | req->int2 = ifd; |
1519 | req->offs = in_offset; |
1650 | req->offs = in_offset; |
1520 | req->size = length; |
1651 | req->size = length; |
1521 | |
1652 | |
1522 | REQ_SEND; |
1653 | REQ_SEND; |
1523 | } |
1654 | } |
1524 | |
1655 | |
1525 | void |
1656 | void |
1526 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
1657 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef) |
1527 | SV * fh |
|
|
1528 | UV offset |
|
|
1529 | IV length |
|
|
1530 | SV * callback |
|
|
1531 | PROTOTYPE: $$$;$ |
|
|
1532 | PPCODE: |
1658 | PPCODE: |
1533 | { |
1659 | { |
|
|
1660 | int fd = s_fileno_croak (fh, 0); |
1534 | dREQ; |
1661 | dREQ; |
1535 | |
1662 | |
1536 | req->type = REQ_READAHEAD; |
1663 | req->type = EIO_READAHEAD; |
1537 | req->fh = newSVsv (fh); |
1664 | req->sv1 = newSVsv (fh); |
1538 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1665 | req->int1 = fd; |
1539 | req->offs = offset; |
1666 | req->offs = offset; |
1540 | req->size = length; |
1667 | req->size = length; |
1541 | |
1668 | |
1542 | REQ_SEND; |
1669 | REQ_SEND; |
1543 | } |
1670 | } |
1544 | |
1671 | |
1545 | void |
1672 | void |
1546 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1673 | aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef) |
1547 | SV8 * fh_or_path |
|
|
1548 | SV * callback |
|
|
1549 | ALIAS: |
1674 | ALIAS: |
1550 | aio_stat = REQ_STAT |
1675 | aio_stat = EIO_STAT |
1551 | aio_lstat = REQ_LSTAT |
1676 | aio_lstat = EIO_LSTAT |
|
|
1677 | aio_statvfs = EIO_STATVFS |
1552 | PPCODE: |
1678 | PPCODE: |
1553 | { |
1679 | { |
1554 | dREQ; |
1680 | dREQ; |
1555 | |
1681 | |
1556 | req->ptr2 = malloc (sizeof (Stat_t)); |
1682 | req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
1557 | if (!req->ptr2) |
|
|
1558 | { |
|
|
1559 | req_free (req); |
|
|
1560 | croak ("out of memory during aio_stat statdata allocation"); |
|
|
1561 | } |
|
|
1562 | |
|
|
1563 | req->flags |= FLAG_PTR2_FREE; |
|
|
1564 | |
|
|
1565 | if (SvPOK (fh_or_path)) |
|
|
1566 | { |
|
|
1567 | req->type = ix; |
|
|
1568 | req->sv1 = newSVsv (fh_or_path); |
|
|
1569 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1570 | } |
|
|
1571 | else |
|
|
1572 | { |
|
|
1573 | req->type = REQ_FSTAT; |
|
|
1574 | req->fh = newSVsv (fh_or_path); |
|
|
1575 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1576 | } |
|
|
1577 | |
1683 | |
1578 | REQ_SEND; |
1684 | REQ_SEND; |
1579 | } |
1685 | } |
1580 | |
1686 | |
1581 | void |
1687 | void |
|
|
1688 | st_xtime () |
|
|
1689 | ALIAS: |
|
|
1690 | st_atime = 0x01 |
|
|
1691 | st_mtime = 0x02 |
|
|
1692 | st_ctime = 0x04 |
|
|
1693 | st_btime = 0x08 |
|
|
1694 | st_xtime = 0x0f |
|
|
1695 | PPCODE: |
|
|
1696 | EXTEND (SP, 4); |
|
|
1697 | if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC)); |
|
|
1698 | if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC)); |
|
|
1699 | if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC)); |
|
|
1700 | if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC)); |
|
|
1701 | |
|
|
1702 | void |
|
|
1703 | st_xtimensec () |
|
|
1704 | ALIAS: |
|
|
1705 | st_atimensec = 0x01 |
|
|
1706 | st_mtimensec = 0x02 |
|
|
1707 | st_ctimensec = 0x04 |
|
|
1708 | st_btimensec = 0x08 |
|
|
1709 | st_xtimensec = 0x0f |
|
|
1710 | st_btimesec = 0x10 |
|
|
1711 | st_gen = 0x20 |
|
|
1712 | PPCODE: |
|
|
1713 | EXTEND (SP, 4); |
|
|
1714 | if (ix & 0x01) PUSHs (newSViv (ATIMENSEC)); |
|
|
1715 | if (ix & 0x02) PUSHs (newSViv (MTIMENSEC)); |
|
|
1716 | if (ix & 0x04) PUSHs (newSViv (CTIMENSEC)); |
|
|
1717 | if (ix & 0x08) PUSHs (newSViv (BTIMENSEC)); |
|
|
1718 | if (ix & 0x10) PUSHs (newSVuv (BTIMESEC)); |
|
|
1719 | if (ix & 0x20) PUSHs (newSVuv (ST_GEN)); |
|
|
1720 | |
|
|
1721 | UV |
|
|
1722 | major (UV dev) |
|
|
1723 | ALIAS: |
|
|
1724 | minor = 1 |
|
|
1725 | CODE: |
|
|
1726 | RETVAL = ix ? minor (dev) : major (dev); |
|
|
1727 | OUTPUT: |
|
|
1728 | RETVAL |
|
|
1729 | |
|
|
1730 | UV |
|
|
1731 | makedev (UV maj, UV min) |
|
|
1732 | CODE: |
|
|
1733 | RETVAL = makedev (maj, min); |
|
|
1734 | OUTPUT: |
|
|
1735 | RETVAL |
|
|
1736 | |
|
|
1737 | void |
|
|
1738 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef) |
|
|
1739 | PPCODE: |
|
|
1740 | { |
|
|
1741 | dREQ; |
|
|
1742 | |
|
|
1743 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1744 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1745 | req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
|
|
1746 | |
|
|
1747 | REQ_SEND; |
|
|
1748 | } |
|
|
1749 | |
|
|
1750 | void |
|
|
1751 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef) |
|
|
1752 | PPCODE: |
|
|
1753 | { |
|
|
1754 | dREQ; |
|
|
1755 | |
|
|
1756 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1757 | req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
|
|
1758 | |
|
|
1759 | REQ_SEND; |
|
|
1760 | } |
|
|
1761 | |
|
|
1762 | void |
|
|
1763 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef) |
|
|
1764 | PPCODE: |
|
|
1765 | { |
|
|
1766 | dREQ; |
|
|
1767 | |
|
|
1768 | req->int2 = mode; |
|
|
1769 | req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
|
|
1770 | |
|
|
1771 | REQ_SEND; |
|
|
1772 | } |
|
|
1773 | |
|
|
1774 | void |
|
|
1775 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef) |
|
|
1776 | PPCODE: |
|
|
1777 | { |
|
|
1778 | dREQ; |
|
|
1779 | |
|
|
1780 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1781 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1782 | req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
|
|
1783 | |
|
|
1784 | REQ_SEND; |
|
|
1785 | } |
|
|
1786 | |
|
|
1787 | void |
|
|
1788 | aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef) |
|
|
1789 | PPCODE: |
|
|
1790 | { |
|
|
1791 | dREQ; |
|
|
1792 | |
|
|
1793 | req->type = EIO_READDIR; |
|
|
1794 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1795 | |
|
|
1796 | if (flags & EIO_READDIR_DENTS) |
|
|
1797 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1798 | |
|
|
1799 | req_set_path1 (req, pathname); |
|
|
1800 | |
|
|
1801 | REQ_SEND; |
|
|
1802 | } |
|
|
1803 | |
|
|
1804 | void |
|
|
1805 | aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef) |
|
|
1806 | PPCODE: |
|
|
1807 | { |
|
|
1808 | dREQ; |
|
|
1809 | |
|
|
1810 | req->type = EIO_MKDIR; |
|
|
1811 | req->int2 = mode; |
|
|
1812 | req_set_path1 (req, pathname); |
|
|
1813 | |
|
|
1814 | REQ_SEND; |
|
|
1815 | } |
|
|
1816 | |
|
|
1817 | void |
1582 | aio_unlink (pathname,callback=&PL_sv_undef) |
1818 | aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
1583 | SV8 * pathname |
|
|
1584 | SV * callback |
|
|
1585 | ALIAS: |
1819 | ALIAS: |
1586 | aio_unlink = REQ_UNLINK |
1820 | aio_unlink = EIO_UNLINK |
1587 | aio_rmdir = REQ_RMDIR |
1821 | aio_rmdir = EIO_RMDIR |
1588 | aio_readdir = REQ_READDIR |
1822 | aio_readdir = EIO_READDIR |
1589 | PPCODE: |
1823 | PPCODE: |
1590 | { |
1824 | { |
1591 | dREQ; |
1825 | dREQ; |
1592 | |
1826 | |
1593 | req->type = ix; |
1827 | req->type = ix; |
1594 | req->sv1 = newSVsv (pathname); |
1828 | req_set_path1 (req, pathname); |
1595 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1596 | |
1829 | |
1597 | REQ_SEND; |
1830 | REQ_SEND; |
1598 | } |
1831 | } |
1599 | |
1832 | |
1600 | void |
1833 | void |
1601 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1834 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef) |
1602 | SV8 * oldpath |
|
|
1603 | SV8 * newpath |
|
|
1604 | SV * callback |
|
|
1605 | ALIAS: |
1835 | ALIAS: |
1606 | aio_link = REQ_LINK |
1836 | aio_link = EIO_LINK |
1607 | aio_symlink = REQ_SYMLINK |
1837 | aio_symlink = EIO_SYMLINK |
1608 | aio_rename = REQ_RENAME |
1838 | aio_rename = EIO_RENAME |
1609 | PPCODE: |
1839 | PPCODE: |
1610 | { |
1840 | { |
|
|
1841 | eio_wd wd2 = 0; |
1611 | dREQ; |
1842 | dREQ; |
1612 | |
1843 | |
1613 | req->type = ix; |
1844 | req->type = ix; |
1614 | req->fh = newSVsv (oldpath); |
1845 | req_set_path1 (req, oldpath); |
1615 | req->ptr2 = SvPVbyte_nolen (req->fh); |
1846 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
1616 | req->sv1 = newSVsv (newpath); |
1847 | req->int3 = (long)wd2; |
1617 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1618 | |
1848 | |
1619 | REQ_SEND; |
1849 | REQ_SEND; |
1620 | } |
1850 | } |
1621 | |
1851 | |
1622 | void |
1852 | void |
1623 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1853 | aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef) |
1624 | SV8 * pathname |
|
|
1625 | SV * callback |
|
|
1626 | UV mode |
|
|
1627 | UV dev |
|
|
1628 | PPCODE: |
1854 | PPCODE: |
1629 | { |
1855 | { |
|
|
1856 | eio_wd wd2 = 0; |
1630 | dREQ; |
1857 | dREQ; |
1631 | |
1858 | |
1632 | req->type = REQ_MKNOD; |
1859 | req->type = EIO_RENAME; |
1633 | req->sv1 = newSVsv (pathname); |
1860 | req_set_path1 (req, oldpath); |
1634 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1861 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
1635 | req->mode = (mode_t)mode; |
1862 | req->int2 = flags; |
1636 | req->offs = dev; |
1863 | req->int3 = (long)wd2; |
1637 | |
1864 | |
1638 | REQ_SEND; |
1865 | REQ_SEND; |
1639 | } |
1866 | } |
1640 | |
1867 | |
1641 | void |
1868 | void |
1642 | aio_busy (delay,callback=&PL_sv_undef) |
1869 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef) |
1643 | double delay |
|
|
1644 | SV * callback |
|
|
1645 | PPCODE: |
1870 | PPCODE: |
1646 | { |
1871 | { |
1647 | dREQ; |
1872 | dREQ; |
1648 | |
1873 | |
1649 | req->type = REQ_BUSY; |
1874 | req->type = EIO_MKNOD; |
1650 | req->int1 = delay < 0. ? 0 : delay; |
1875 | req->int2 = (mode_t)mode; |
1651 | req->int2 = delay < 0. ? 0 : 1000. * (delay - req->int1); |
1876 | req->offs = dev; |
1652 | |
1877 | req_set_path1 (req, pathname); |
|
|
1878 | |
1653 | REQ_SEND; |
1879 | REQ_SEND; |
1654 | } |
1880 | } |
1655 | |
1881 | |
1656 | void |
1882 | void |
1657 | aio_group (callback=&PL_sv_undef) |
1883 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef) |
1658 | SV * callback |
1884 | ALIAS: |
1659 | PROTOTYPE: ;$ |
1885 | aio_mtouch = EIO_MTOUCH |
|
|
1886 | aio_msync = EIO_MSYNC |
1660 | PPCODE: |
1887 | PPCODE: |
1661 | { |
1888 | { |
|
|
1889 | STRLEN svlen; |
|
|
1890 | char *svptr = SvPVbyte (data, svlen); |
|
|
1891 | UV len = SvUV (length); |
|
|
1892 | |
|
|
1893 | if (flags < 0) |
|
|
1894 | flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0; |
|
|
1895 | |
|
|
1896 | if (offset < 0) |
|
|
1897 | offset += svlen; |
|
|
1898 | |
|
|
1899 | if (offset < 0 || offset > svlen) |
|
|
1900 | croak ("offset outside of scalar"); |
|
|
1901 | |
|
|
1902 | if (!SvOK (length) || len + offset > svlen) |
|
|
1903 | len = svlen - offset; |
|
|
1904 | |
|
|
1905 | { |
|
|
1906 | dREQ; |
|
|
1907 | |
|
|
1908 | req->type = ix; |
|
|
1909 | req->sv2 = SvREFCNT_inc (data); |
|
|
1910 | req->ptr2 = (char *)svptr + offset; |
|
|
1911 | req->size = len; |
|
|
1912 | req->int1 = flags; |
|
|
1913 | |
|
|
1914 | REQ_SEND; |
|
|
1915 | } |
|
|
1916 | } |
|
|
1917 | |
|
|
1918 | void |
|
|
1919 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef) |
|
|
1920 | PPCODE: |
|
|
1921 | { |
|
|
1922 | STRLEN svlen; |
|
|
1923 | char *svptr = SvPVbyte (data, svlen); |
|
|
1924 | UV len = SvUV (length); |
|
|
1925 | |
|
|
1926 | if (offset < 0) |
|
|
1927 | offset += svlen; |
|
|
1928 | |
|
|
1929 | if (offset < 0 || offset > svlen) |
|
|
1930 | croak ("offset outside of scalar"); |
|
|
1931 | |
|
|
1932 | if (!SvOK (length) || len + offset > svlen) |
|
|
1933 | len = svlen - offset; |
|
|
1934 | |
|
|
1935 | { |
|
|
1936 | dREQ; |
|
|
1937 | |
|
|
1938 | req->type = EIO_MLOCK; |
|
|
1939 | req->sv2 = SvREFCNT_inc (data); |
|
|
1940 | req->ptr2 = (char *)svptr + offset; |
|
|
1941 | req->size = len; |
|
|
1942 | |
|
|
1943 | REQ_SEND; |
|
|
1944 | } |
|
|
1945 | } |
|
|
1946 | |
|
|
1947 | void |
|
|
1948 | aio_mlockall (IV flags, SV *callback = &PL_sv_undef) |
|
|
1949 | PPCODE: |
|
|
1950 | { |
|
|
1951 | dREQ; |
|
|
1952 | |
|
|
1953 | req->type = EIO_MLOCKALL; |
|
|
1954 | req->int1 = flags; |
|
|
1955 | |
|
|
1956 | REQ_SEND; |
|
|
1957 | } |
|
|
1958 | |
|
|
1959 | void |
|
|
1960 | aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef) |
|
|
1961 | PPCODE: |
|
|
1962 | { |
|
|
1963 | int fd = s_fileno_croak (fh, 0); |
1662 | dREQ; |
1964 | dREQ; |
1663 | |
1965 | |
1664 | req->type = REQ_GROUP; |
1966 | req->type = EIO_CUSTOM; |
|
|
1967 | req->sv1 = newSVsv (fh); |
|
|
1968 | req->int1 = fd; |
1665 | |
1969 | |
1666 | req_send (req); |
1970 | req->feed = fiemap; |
1667 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1971 | #if HAVE_FIEMAP |
1668 | } |
1972 | /* keep our fingers crossed that the next two types are 64 bit */ |
|
|
1973 | req->offs = start; |
|
|
1974 | req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
|
|
1975 | req->int2 = flags; |
|
|
1976 | req->int3 = SvOK (count) ? SvIV (count) : -1; |
|
|
1977 | #endif |
1669 | |
1978 | |
|
|
1979 | REQ_SEND; |
|
|
1980 | } |
|
|
1981 | |
1670 | void |
1982 | void |
1671 | aio_nop (callback=&PL_sv_undef) |
1983 | aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef) |
1672 | SV * callback |
1984 | PPCODE: |
|
|
1985 | { |
|
|
1986 | char *svptr = 0; |
|
|
1987 | |
|
|
1988 | sv_clear_foreign (data); |
|
|
1989 | |
|
|
1990 | if (length) /* known length, directly read into scalar */ |
|
|
1991 | { |
|
|
1992 | if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
|
|
1993 | svptr = sv_grow (data, length + 1); |
|
|
1994 | else if (SvCUR (data) < length) |
|
|
1995 | croak ("length outside of scalar, and cannot grow"); |
|
|
1996 | else |
|
|
1997 | svptr = SvPVbyte_nolen (data); |
|
|
1998 | } |
|
|
1999 | |
|
|
2000 | { |
|
|
2001 | dREQ; |
|
|
2002 | |
|
|
2003 | req->type = EIO_SLURP; |
|
|
2004 | req_set_path1 (req, pathname); |
|
|
2005 | req->offs = offset; |
|
|
2006 | req->size = length; |
|
|
2007 | req->sv2 = SvREFCNT_inc (data); |
|
|
2008 | req->ptr2 = svptr; |
|
|
2009 | |
|
|
2010 | if (!SvREADONLY (data)) |
|
|
2011 | { |
|
|
2012 | SvREADONLY_on (data); |
|
|
2013 | req->flags |= FLAG_SV2_RO_OFF; |
|
|
2014 | } |
|
|
2015 | |
|
|
2016 | REQ_SEND; |
|
|
2017 | } |
|
|
2018 | } |
|
|
2019 | |
|
|
2020 | void |
|
|
2021 | aio_busy (double delay, SV *callback = &PL_sv_undef) |
1673 | PPCODE: |
2022 | PPCODE: |
1674 | { |
2023 | { |
1675 | dREQ; |
2024 | dREQ; |
1676 | |
2025 | |
1677 | req->type = REQ_NOP; |
2026 | req->type = EIO_BUSY; |
|
|
2027 | req->nv1 = delay < 0. ? 0. : delay; |
1678 | |
2028 | |
1679 | REQ_SEND; |
2029 | REQ_SEND; |
1680 | } |
2030 | } |
1681 | |
2031 | |
|
|
2032 | void |
|
|
2033 | aio_group (SV *callback = &PL_sv_undef) |
|
|
2034 | PPCODE: |
|
|
2035 | { |
|
|
2036 | dREQ; |
|
|
2037 | |
|
|
2038 | req->type = EIO_GROUP; |
|
|
2039 | |
|
|
2040 | PUTBACK; |
|
|
2041 | req_submit (req); |
|
|
2042 | SPAGAIN; |
|
|
2043 | |
|
|
2044 | XPUSHs (req_sv (req, aio_grp_stash)); |
|
|
2045 | } |
|
|
2046 | |
|
|
2047 | void |
|
|
2048 | aio_nop (SV *callback = &PL_sv_undef) |
|
|
2049 | ALIAS: |
|
|
2050 | aio_nop = EIO_NOP |
|
|
2051 | aio_sync = EIO_SYNC |
|
|
2052 | PPCODE: |
|
|
2053 | { |
|
|
2054 | dREQ; |
|
|
2055 | |
|
|
2056 | req->type = ix; |
|
|
2057 | |
|
|
2058 | REQ_SEND; |
|
|
2059 | } |
|
|
2060 | |
1682 | int |
2061 | int |
1683 | aioreq_pri (int pri = 0) |
2062 | aioreq_pri (int pri = NO_INIT) |
1684 | PROTOTYPE: ;$ |
|
|
1685 | CODE: |
2063 | CODE: |
1686 | RETVAL = next_pri - PRI_BIAS; |
2064 | RETVAL = next_pri; |
1687 | if (items > 0) |
2065 | if (items > 0) |
1688 | { |
2066 | { |
1689 | if (pri < PRI_MIN) pri = PRI_MIN; |
2067 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1690 | if (pri > PRI_MAX) pri = PRI_MAX; |
2068 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1691 | next_pri = pri + PRI_BIAS; |
2069 | next_pri = pri; |
1692 | } |
2070 | } |
1693 | OUTPUT: |
2071 | OUTPUT: |
1694 | RETVAL |
2072 | RETVAL |
1695 | |
2073 | |
1696 | void |
2074 | void |
1697 | aioreq_nice (int nice = 0) |
2075 | aioreq_nice (int nice = 0) |
1698 | CODE: |
2076 | CODE: |
1699 | nice = next_pri - nice; |
2077 | nice = next_pri - nice; |
1700 | if (nice < PRI_MIN) nice = PRI_MIN; |
2078 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1701 | if (nice > PRI_MAX) nice = PRI_MAX; |
2079 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1702 | next_pri = nice + PRI_BIAS; |
2080 | next_pri = nice; |
1703 | |
2081 | |
1704 | void |
2082 | void |
1705 | flush () |
2083 | flush () |
1706 | PROTOTYPE: |
|
|
1707 | CODE: |
2084 | CODE: |
1708 | while (nreqs) |
2085 | while (eio_nreqs ()) |
1709 | { |
2086 | { |
1710 | poll_wait (); |
2087 | poll_wait (); |
1711 | poll_cb (); |
2088 | poll_cb (); |
1712 | } |
2089 | } |
1713 | |
2090 | |
1714 | int |
2091 | int |
1715 | poll() |
2092 | poll () |
1716 | PROTOTYPE: |
|
|
1717 | CODE: |
2093 | CODE: |
1718 | poll_wait (); |
2094 | poll_wait (); |
1719 | RETVAL = poll_cb (); |
2095 | RETVAL = poll_cb (); |
1720 | OUTPUT: |
2096 | OUTPUT: |
1721 | RETVAL |
2097 | RETVAL |
1722 | |
2098 | |
1723 | int |
2099 | int |
1724 | poll_fileno() |
2100 | poll_fileno () |
1725 | PROTOTYPE: |
|
|
1726 | CODE: |
2101 | CODE: |
1727 | RETVAL = respipe [0]; |
2102 | RETVAL = s_epipe_fd (&respipe); |
1728 | OUTPUT: |
2103 | OUTPUT: |
1729 | RETVAL |
2104 | RETVAL |
1730 | |
2105 | |
1731 | int |
2106 | int |
1732 | poll_cb(...) |
2107 | poll_cb (...) |
1733 | PROTOTYPE: |
2108 | PROTOTYPE: |
1734 | CODE: |
2109 | CODE: |
1735 | RETVAL = poll_cb (); |
2110 | RETVAL = poll_cb (); |
1736 | OUTPUT: |
2111 | OUTPUT: |
1737 | RETVAL |
2112 | RETVAL |
1738 | |
2113 | |
1739 | void |
2114 | void |
1740 | poll_wait() |
2115 | poll_wait () |
1741 | PROTOTYPE: |
|
|
1742 | CODE: |
2116 | CODE: |
1743 | poll_wait (); |
2117 | poll_wait (); |
1744 | |
2118 | |
1745 | void |
|
|
1746 | setsig (int signum = SIGIO) |
|
|
1747 | PROTOTYPE: ;$ |
|
|
1748 | CODE: |
|
|
1749 | { |
|
|
1750 | if (block_sig_level) |
|
|
1751 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
|
|
1752 | |
|
|
1753 | LOCK (reslock); |
|
|
1754 | main_tid = pthread_self (); |
|
|
1755 | main_sig = signum; |
|
|
1756 | UNLOCK (reslock); |
|
|
1757 | |
|
|
1758 | if (main_sig && npending) |
|
|
1759 | pthread_kill (main_tid, main_sig); |
|
|
1760 | } |
|
|
1761 | |
|
|
1762 | void |
|
|
1763 | aio_block (SV *cb) |
|
|
1764 | PROTOTYPE: & |
|
|
1765 | PPCODE: |
|
|
1766 | { |
|
|
1767 | int count; |
|
|
1768 | |
|
|
1769 | block_sig (); |
|
|
1770 | PUSHMARK (SP); |
|
|
1771 | PUTBACK; |
|
|
1772 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
|
|
1773 | SPAGAIN; |
|
|
1774 | unblock_sig (); |
|
|
1775 | |
|
|
1776 | if (SvTRUE (ERRSV)) |
|
|
1777 | croak (0); |
|
|
1778 | |
|
|
1779 | XSRETURN (count); |
|
|
1780 | } |
|
|
1781 | |
|
|
1782 | int |
2119 | int |
1783 | nreqs() |
2120 | nreqs () |
1784 | PROTOTYPE: |
|
|
1785 | CODE: |
2121 | CODE: |
1786 | RETVAL = nreqs; |
2122 | RETVAL = eio_nreqs (); |
1787 | OUTPUT: |
2123 | OUTPUT: |
1788 | RETVAL |
2124 | RETVAL |
1789 | |
2125 | |
1790 | int |
2126 | int |
1791 | nready() |
2127 | nready () |
1792 | PROTOTYPE: |
|
|
1793 | CODE: |
2128 | CODE: |
1794 | RETVAL = get_nready (); |
2129 | RETVAL = eio_nready (); |
1795 | OUTPUT: |
2130 | OUTPUT: |
1796 | RETVAL |
2131 | RETVAL |
1797 | |
2132 | |
1798 | int |
2133 | int |
1799 | npending() |
2134 | npending () |
1800 | PROTOTYPE: |
|
|
1801 | CODE: |
2135 | CODE: |
1802 | RETVAL = get_npending (); |
2136 | RETVAL = eio_npending (); |
1803 | OUTPUT: |
2137 | OUTPUT: |
1804 | RETVAL |
2138 | RETVAL |
1805 | |
2139 | |
1806 | int |
2140 | int |
1807 | nthreads() |
2141 | nthreads () |
1808 | PROTOTYPE: |
|
|
1809 | CODE: |
2142 | CODE: |
1810 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
2143 | RETVAL = eio_nthreads (); |
1811 | RETVAL = started; |
|
|
1812 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
|
|
1813 | OUTPUT: |
2144 | OUTPUT: |
1814 | RETVAL |
2145 | RETVAL |
1815 | |
2146 | |
|
|
2147 | int |
|
|
2148 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
2149 | CODE: |
|
|
2150 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
2151 | OUTPUT: |
|
|
2152 | RETVAL |
|
|
2153 | |
|
|
2154 | IV |
|
|
2155 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
2156 | CODE: |
|
|
2157 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
2158 | OUTPUT: |
|
|
2159 | RETVAL |
|
|
2160 | |
|
|
2161 | void |
|
|
2162 | mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
|
|
2163 | PPCODE: |
|
|
2164 | sv_clear_foreign (scalar); |
|
|
2165 | { |
|
|
2166 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
2167 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
2168 | if (addr == (void *)-1) |
|
|
2169 | XSRETURN_NO; |
|
|
2170 | |
|
|
2171 | sv_set_foreign (scalar, &mmap_vtbl, addr, length); |
|
|
2172 | |
|
|
2173 | if (!(prot & PROT_WRITE)) |
|
|
2174 | SvREADONLY_on (scalar); |
|
|
2175 | |
|
|
2176 | XSRETURN_YES; |
|
|
2177 | } |
|
|
2178 | |
|
|
2179 | void |
|
|
2180 | munmap (SV *scalar) |
|
|
2181 | CODE: |
|
|
2182 | sv_clear_foreign (scalar); |
|
|
2183 | |
|
|
2184 | SV * |
|
|
2185 | mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0) |
|
|
2186 | CODE: |
|
|
2187 | { |
|
|
2188 | MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl); |
|
|
2189 | void *new; |
|
|
2190 | |
|
|
2191 | if (!mg || SvPVX (scalar) != mg->mg_ptr) |
|
|
2192 | croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified"); |
|
|
2193 | |
|
|
2194 | new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address); |
|
|
2195 | |
|
|
2196 | RETVAL = &PL_sv_no; |
|
|
2197 | |
|
|
2198 | if (new != (void *)-1) |
|
|
2199 | { |
|
|
2200 | RETVAL = new == (void *)mg->mg_ptr |
|
|
2201 | ? newSVpvn ("0 but true", 10) |
|
|
2202 | : &PL_sv_yes; |
|
|
2203 | |
|
|
2204 | mg->mg_ptr = (char *)new; |
|
|
2205 | mg->mg_obj = (SV *)new_length; |
|
|
2206 | |
|
|
2207 | SvPVX (scalar) = mg->mg_ptr; |
|
|
2208 | SvCUR_set (scalar, new_length); |
|
|
2209 | } |
|
|
2210 | } |
|
|
2211 | OUTPUT: |
|
|
2212 | RETVAL |
|
|
2213 | |
|
|
2214 | int |
|
|
2215 | madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
2216 | ALIAS: |
|
|
2217 | mprotect = 1 |
|
|
2218 | CODE: |
|
|
2219 | { |
|
|
2220 | STRLEN svlen; |
|
|
2221 | void *addr = SvPVbyte (scalar, svlen); |
|
|
2222 | STRLEN len = SvUV (length); |
|
|
2223 | |
|
|
2224 | if (offset < 0) |
|
|
2225 | offset += svlen; |
|
|
2226 | |
|
|
2227 | if (offset < 0 || offset > svlen) |
|
|
2228 | croak ("offset outside of scalar"); |
|
|
2229 | |
|
|
2230 | if (!SvOK (length) || len + offset > svlen) |
|
|
2231 | len = svlen - offset; |
|
|
2232 | |
|
|
2233 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
2234 | eio_page_align (&addr, &len); |
|
|
2235 | |
|
|
2236 | switch (ix) |
|
|
2237 | { |
|
|
2238 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
2239 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
2240 | } |
|
|
2241 | } |
|
|
2242 | OUTPUT: |
|
|
2243 | RETVAL |
|
|
2244 | |
|
|
2245 | int |
|
|
2246 | munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef) |
|
|
2247 | CODE: |
|
|
2248 | { |
|
|
2249 | STRLEN svlen; |
|
|
2250 | void *addr = SvPVbyte (scalar, svlen); |
|
|
2251 | size_t len = SvUV (length); |
|
|
2252 | |
|
|
2253 | if (offset < 0) |
|
|
2254 | offset += svlen; |
|
|
2255 | |
|
|
2256 | if (offset < 0 || offset > svlen) |
|
|
2257 | croak ("offset outside of scalar"); |
|
|
2258 | |
|
|
2259 | if (!SvOK (length) || len + offset > svlen) |
|
|
2260 | len = svlen - offset; |
|
|
2261 | |
|
|
2262 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
2263 | eio_page_align (&addr, &len); |
|
|
2264 | #if _POSIX_MEMLOCK_RANGE |
|
|
2265 | RETVAL = munlock (addr, len); |
|
|
2266 | #else |
|
|
2267 | RETVAL = EIO_ENOSYS (); |
|
|
2268 | #endif |
|
|
2269 | } |
|
|
2270 | OUTPUT: |
|
|
2271 | RETVAL |
|
|
2272 | |
|
|
2273 | int |
|
|
2274 | mlockall (int flags) |
|
|
2275 | PROTOTYPE: $; |
|
|
2276 | CODE: |
|
|
2277 | RETVAL = eio_mlockall_sync (flags); |
|
|
2278 | OUTPUT: |
|
|
2279 | RETVAL |
|
|
2280 | |
|
|
2281 | int |
|
|
2282 | munlockall () |
|
|
2283 | CODE: |
|
|
2284 | #if _POSIX_MEMLOCK |
|
|
2285 | munlockall (); |
|
|
2286 | #else |
|
|
2287 | RETVAL = EIO_ENOSYS (); |
|
|
2288 | #endif |
|
|
2289 | OUTPUT: |
|
|
2290 | RETVAL |
|
|
2291 | |
|
|
2292 | int |
|
|
2293 | splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
|
|
2294 | CODE: |
|
|
2295 | { |
|
|
2296 | #if HAVE_LINUX_SPLICE |
|
|
2297 | loff_t off_in_, off_out_; |
|
|
2298 | RETVAL = splice ( |
|
|
2299 | rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0, |
|
|
2300 | wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0, |
|
|
2301 | length, flags |
|
|
2302 | ); |
|
|
2303 | #else |
|
|
2304 | RETVAL = EIO_ENOSYS (); |
|
|
2305 | #endif |
|
|
2306 | } |
|
|
2307 | OUTPUT: |
|
|
2308 | RETVAL |
|
|
2309 | |
|
|
2310 | int |
|
|
2311 | tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
|
|
2312 | CODE: |
|
|
2313 | #if HAVE_LINUX_SPLICE |
|
|
2314 | RETVAL = tee (rfh, wfh, length, flags); |
|
|
2315 | #else |
|
|
2316 | RETVAL = EIO_ENOSYS (); |
|
|
2317 | #endif |
|
|
2318 | OUTPUT: |
|
|
2319 | RETVAL |
|
|
2320 | |
|
|
2321 | int |
|
|
2322 | pipesize (aio_rfd rfh, int new_size = -1) |
|
|
2323 | PROTOTYPE: $;$ |
|
|
2324 | CODE: |
|
|
2325 | #if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ) |
|
|
2326 | if (new_size >= 0) |
|
|
2327 | RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size); |
|
|
2328 | else |
|
|
2329 | RETVAL = fcntl (rfh, F_GETPIPE_SZ); |
|
|
2330 | #else |
|
|
2331 | errno = ENOSYS; |
|
|
2332 | RETVAL = -1; |
|
|
2333 | #endif |
|
|
2334 | OUTPUT: |
|
|
2335 | RETVAL |
|
|
2336 | |
|
|
2337 | void |
|
|
2338 | pipe2 (int flags = 0) |
|
|
2339 | PROTOTYPE: ;$ |
|
|
2340 | PPCODE: |
|
|
2341 | { |
|
|
2342 | int fd[2]; |
|
|
2343 | int res; |
|
|
2344 | |
|
|
2345 | if (flags) |
|
|
2346 | #if HAVE_PIPE2 |
|
|
2347 | res = pipe2 (fd, flags); |
|
|
2348 | #else |
|
|
2349 | res = (errno = ENOSYS, -1); |
|
|
2350 | #endif |
|
|
2351 | else |
|
|
2352 | res = pipe (fd); |
|
|
2353 | |
|
|
2354 | if (!res) |
|
|
2355 | { |
|
|
2356 | EXTEND (SP, 2); |
|
|
2357 | PUSHs (newmortalFH (fd[0], O_RDONLY)); |
|
|
2358 | PUSHs (newmortalFH (fd[1], O_WRONLY)); |
|
|
2359 | } |
|
|
2360 | } |
|
|
2361 | |
|
|
2362 | void |
|
|
2363 | eventfd (unsigned int initval = 0, int flags = 0) |
|
|
2364 | PPCODE: |
|
|
2365 | { |
|
|
2366 | int fd; |
|
|
2367 | #if HAVE_EVENTFD |
|
|
2368 | fd = eventfd (initval, flags); |
|
|
2369 | #else |
|
|
2370 | fd = (errno = ENOSYS, -1); |
|
|
2371 | #endif |
|
|
2372 | |
|
|
2373 | XPUSHs (newmortalFH (fd, O_RDWR)); |
|
|
2374 | } |
|
|
2375 | |
|
|
2376 | void |
|
|
2377 | timerfd_create (int clockid, int flags = 0) |
|
|
2378 | PPCODE: |
|
|
2379 | { |
|
|
2380 | int fd; |
|
|
2381 | #if HAVE_TIMERFD |
|
|
2382 | fd = timerfd_create (clockid, flags); |
|
|
2383 | #else |
|
|
2384 | fd = (errno = ENOSYS, -1); |
|
|
2385 | #endif |
|
|
2386 | |
|
|
2387 | XPUSHs (newmortalFH (fd, O_RDWR)); |
|
|
2388 | } |
|
|
2389 | |
|
|
2390 | void |
|
|
2391 | timerfd_settime (SV *fh, int flags, NV interval, NV value) |
|
|
2392 | PPCODE: |
|
|
2393 | { |
|
|
2394 | int fd = s_fileno_croak (fh, 0); |
|
|
2395 | #if HAVE_TIMERFD |
|
|
2396 | int res; |
|
|
2397 | struct itimerspec its, ots; |
|
|
2398 | |
|
|
2399 | ts_set (&its.it_interval, interval); |
|
|
2400 | ts_set (&its.it_value , value); |
|
|
2401 | res = timerfd_settime (fd, flags, &its, &ots); |
|
|
2402 | |
|
|
2403 | if (!res) |
|
|
2404 | { |
|
|
2405 | EXTEND (SP, 2); |
|
|
2406 | PUSHs (newSVnv (ts_get (&ots.it_interval))); |
|
|
2407 | PUSHs (newSVnv (ts_get (&ots.it_value))); |
|
|
2408 | } |
|
|
2409 | #else |
|
|
2410 | errno = ENOSYS; |
|
|
2411 | #endif |
|
|
2412 | } |
|
|
2413 | |
|
|
2414 | void |
|
|
2415 | timerfd_gettime (SV *fh) |
|
|
2416 | PPCODE: |
|
|
2417 | { |
|
|
2418 | int fd = s_fileno_croak (fh, 0); |
|
|
2419 | #if HAVE_TIMERFD |
|
|
2420 | int res; |
|
|
2421 | struct itimerspec ots; |
|
|
2422 | res = timerfd_gettime (fd, &ots); |
|
|
2423 | |
|
|
2424 | if (!res) |
|
|
2425 | { |
|
|
2426 | EXTEND (SP, 2); |
|
|
2427 | PUSHs (newSVnv (ts_get (&ots.it_interval))); |
|
|
2428 | PUSHs (newSVnv (ts_get (&ots.it_value))); |
|
|
2429 | } |
|
|
2430 | #else |
|
|
2431 | errno = ENOSYS; |
|
|
2432 | #endif |
|
|
2433 | } |
|
|
2434 | |
|
|
2435 | UV |
|
|
2436 | get_fdlimit () |
|
|
2437 | CODE: |
|
|
2438 | #if HAVE_RLIMITS |
|
|
2439 | struct rlimit rl; |
|
|
2440 | if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2441 | XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur); |
|
|
2442 | #endif |
|
|
2443 | XSRETURN_UNDEF; |
|
|
2444 | OUTPUT: |
|
|
2445 | RETVAL |
|
|
2446 | |
|
|
2447 | void |
|
|
2448 | min_fdlimit (UV limit = 0x7fffffffU) |
|
|
2449 | CODE: |
|
|
2450 | { |
|
|
2451 | #if HAVE_RLIMITS |
|
|
2452 | struct rlimit rl; |
|
|
2453 | rlim_t orig_rlim_max; |
|
|
2454 | UV bit; |
|
|
2455 | |
|
|
2456 | if (0 != getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2457 | goto fail; |
|
|
2458 | |
|
|
2459 | if (rl.rlim_cur == RLIM_INFINITY) |
|
|
2460 | XSRETURN_YES; |
|
|
2461 | |
|
|
2462 | orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max; |
|
|
2463 | |
|
|
2464 | if (rl.rlim_cur < limit) |
|
|
2465 | { |
|
|
2466 | rl.rlim_cur = limit; |
|
|
2467 | |
|
|
2468 | if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY) |
|
|
2469 | rl.rlim_max = rl.rlim_cur; |
|
|
2470 | } |
|
|
2471 | |
|
|
2472 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2473 | XSRETURN_YES; |
|
|
2474 | |
|
|
2475 | if (errno == EPERM) |
|
|
2476 | { |
|
|
2477 | /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ |
|
|
2478 | /* our limit overflows a system-wide limit */ |
|
|
2479 | /* try an adaptive algorithm, but do not lower the hardlimit */ |
|
|
2480 | rl.rlim_max = 0; |
|
|
2481 | for (bit = 0x40000000U; bit; bit >>= 1) |
|
|
2482 | { |
|
|
2483 | rl.rlim_max |= bit; |
|
|
2484 | rl.rlim_cur = rl.rlim_max; |
|
|
2485 | |
|
|
2486 | /* nevr decrease the hard limit */ |
|
|
2487 | if (rl.rlim_max < orig_rlim_max) |
|
|
2488 | break; |
|
|
2489 | |
|
|
2490 | if (0 != setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2491 | rl.rlim_max &= ~bit; /* too high, remove bit again */ |
|
|
2492 | } |
|
|
2493 | |
|
|
2494 | /* now, raise the soft limit to the max permitted */ |
|
|
2495 | if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2496 | { |
|
|
2497 | rl.rlim_cur = rl.rlim_max; |
|
|
2498 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2499 | errno = EPERM; |
|
|
2500 | } |
|
|
2501 | } |
|
|
2502 | #endif |
|
|
2503 | fail: |
|
|
2504 | XSRETURN_UNDEF; |
|
|
2505 | } |
|
|
2506 | |
|
|
2507 | void _on_next_submit (SV *cb) |
|
|
2508 | CODE: |
|
|
2509 | SvREFCNT_dec (on_next_submit); |
|
|
2510 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
2511 | |
1816 | PROTOTYPES: DISABLE |
2512 | PROTOTYPES: DISABLE |
|
|
2513 | |
|
|
2514 | MODULE = IO::AIO PACKAGE = IO::AIO::WD |
|
|
2515 | |
|
|
2516 | BOOT: |
|
|
2517 | { |
|
|
2518 | newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
|
|
2519 | newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
|
|
2520 | } |
|
|
2521 | |
|
|
2522 | void |
|
|
2523 | DESTROY (SV *self) |
|
|
2524 | CODE: |
|
|
2525 | { |
|
|
2526 | aio_wd wd = SvAIO_WD (self); |
|
|
2527 | #if HAVE_AT |
|
|
2528 | { |
|
|
2529 | SV *callback = &PL_sv_undef; |
|
|
2530 | dREQ; /* clobbers next_pri :/ */ |
|
|
2531 | next_pri = req->pri; /* restore next_pri */ |
|
|
2532 | req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */ |
|
|
2533 | req->type = EIO_WD_CLOSE; |
|
|
2534 | req->wd = wd; |
|
|
2535 | REQ_SEND; |
|
|
2536 | } |
|
|
2537 | #else |
|
|
2538 | eio_wd_close_sync (wd); |
|
|
2539 | #endif |
|
|
2540 | } |
1817 | |
2541 | |
1818 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
2542 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1819 | |
2543 | |
1820 | void |
2544 | void |
1821 | cancel (aio_req_ornot req) |
2545 | cancel (aio_req_ornot req) |
1822 | CODE: |
2546 | CODE: |
1823 | req_cancel (req); |
2547 | eio_cancel (req); |
1824 | |
2548 | |
1825 | void |
2549 | void |
1826 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
2550 | cb (aio_req_ornot req, SV *callback = NO_INIT) |
1827 | CODE: |
2551 | PPCODE: |
|
|
2552 | { |
|
|
2553 | if (GIMME_V != G_VOID) |
|
|
2554 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
2555 | |
|
|
2556 | if (items > 1) |
|
|
2557 | { |
|
|
2558 | SV *cb_cv = get_cb (callback); |
|
|
2559 | |
1828 | SvREFCNT_dec (req->callback); |
2560 | SvREFCNT_dec (req->callback); |
1829 | req->callback = newSVsv (callback); |
2561 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
2562 | } |
|
|
2563 | } |
1830 | |
2564 | |
1831 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
2565 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1832 | |
2566 | |
1833 | void |
2567 | void |
1834 | add (aio_req grp, ...) |
2568 | add (aio_req grp, ...) |
1835 | PPCODE: |
2569 | PPCODE: |
1836 | { |
2570 | { |
1837 | int i; |
2571 | int i; |
1838 | aio_req req; |
|
|
1839 | |
|
|
1840 | if (main_sig && !block_sig_level) |
|
|
1841 | croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use"); |
|
|
1842 | |
2572 | |
1843 | if (grp->int1 == 2) |
2573 | if (grp->int1 == 2) |
1844 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
2574 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1845 | |
2575 | |
1846 | for (i = 1; i < items; ++i ) |
2576 | for (i = 1; i < items; ++i ) |
1847 | { |
2577 | { |
|
|
2578 | aio_req req; |
|
|
2579 | |
1848 | if (GIMME_V != G_VOID) |
2580 | if (GIMME_V != G_VOID) |
1849 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
2581 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1850 | |
2582 | |
1851 | req = SvAIO_REQ (ST (i)); |
2583 | req = SvAIO_REQ (ST (i)); |
1852 | |
2584 | |
1853 | if (req) |
2585 | if (req) |
1854 | { |
2586 | eio_grp_add (grp, req); |
1855 | ++grp->size; |
|
|
1856 | req->grp = grp; |
|
|
1857 | |
|
|
1858 | req->grp_prev = 0; |
|
|
1859 | req->grp_next = grp->grp_first; |
|
|
1860 | |
|
|
1861 | if (grp->grp_first) |
|
|
1862 | grp->grp_first->grp_prev = req; |
|
|
1863 | |
|
|
1864 | grp->grp_first = req; |
|
|
1865 | } |
|
|
1866 | } |
2587 | } |
1867 | } |
2588 | } |
1868 | |
2589 | |
1869 | void |
2590 | void |
1870 | cancel_subs (aio_req_ornot req) |
2591 | cancel_subs (aio_req_ornot req) |
… | |
… | |
1879 | AV *av; |
2600 | AV *av; |
1880 | |
2601 | |
1881 | grp->errorno = errno; |
2602 | grp->errorno = errno; |
1882 | |
2603 | |
1883 | av = newAV (); |
2604 | av = newAV (); |
|
|
2605 | av_extend (av, items - 1); |
1884 | |
2606 | |
1885 | for (i = 1; i < items; ++i ) |
2607 | for (i = 1; i < items; ++i ) |
1886 | av_push (av, newSVsv (ST (i))); |
2608 | av_push (av, newSVsv (ST (i))); |
1887 | |
2609 | |
1888 | SvREFCNT_dec (grp->sv1); |
2610 | SvREFCNT_dec (grp->sv1); |
… | |
… | |
1895 | grp->errorno = errorno; |
2617 | grp->errorno = errorno; |
1896 | |
2618 | |
1897 | void |
2619 | void |
1898 | limit (aio_req grp, int limit) |
2620 | limit (aio_req grp, int limit) |
1899 | CODE: |
2621 | CODE: |
1900 | grp->int2 = limit; |
2622 | eio_grp_limit (grp, limit); |
1901 | aio_grp_feed (grp); |
|
|
1902 | |
2623 | |
1903 | void |
2624 | void |
1904 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
2625 | feed (aio_req grp, SV *callback = &PL_sv_undef) |
1905 | CODE: |
2626 | CODE: |
1906 | { |
2627 | { |
1907 | SvREFCNT_dec (grp->sv2); |
2628 | SvREFCNT_dec (grp->sv2); |
1908 | grp->sv2 = newSVsv (callback); |
2629 | grp->sv2 = newSVsv (callback); |
|
|
2630 | grp->feed = aio_grp_feed; |
1909 | |
2631 | |
1910 | if (grp->int2 <= 0) |
2632 | if (grp->int2 <= 0) |
1911 | grp->int2 = 2; |
2633 | grp->int2 = 2; |
1912 | |
2634 | |
1913 | aio_grp_feed (grp); |
2635 | eio_grp_limit (grp, grp->int2); |
1914 | } |
2636 | } |
1915 | |
2637 | |