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" |
16 | |
8 | |
17 | #include "autoconf/config.h" |
9 | #include "schmorp.h" |
18 | |
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19 | #include <pthread.h> |
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20 | |
10 | |
21 | #include <stddef.h> |
11 | #include <stddef.h> |
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12 | #include <stdlib.h> |
22 | #include <errno.h> |
13 | #include <errno.h> |
23 | #include <sys/time.h> |
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24 | #include <sys/select.h> |
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25 | #include <sys/types.h> |
14 | #include <sys/types.h> |
26 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
27 | #include <limits.h> |
16 | #include <limits.h> |
28 | #include <unistd.h> |
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29 | #include <fcntl.h> |
17 | #include <fcntl.h> |
30 | #include <signal.h> |
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31 | #include <sched.h> |
18 | #include <sched.h> |
32 | |
19 | |
33 | #if HAVE_SENDFILE |
20 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
34 | # if __linux |
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35 | # include <sys/sendfile.h> |
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36 | # elif __freebsd |
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37 | # include <sys/socket.h> |
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38 | # include <sys/uio.h> |
21 | # include <sys/mman.h> |
39 | # elif __hpux |
22 | #endif |
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23 | |
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24 | /* perl namespace pollution */ |
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25 | #undef VERSION |
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26 | |
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27 | /* perl stupidly overrides readdir and maybe others */ |
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28 | /* with thread-unsafe versions, imagine that :( */ |
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29 | #undef readdir |
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30 | #undef opendir |
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31 | #undef closedir |
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32 | |
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33 | #ifdef _WIN32 |
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34 | |
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35 | // perl overrides all those nice libc functions |
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36 | |
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37 | #undef malloc |
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38 | #undef free |
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39 | #undef open |
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40 | #undef read |
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41 | #undef write |
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42 | #undef send |
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43 | #undef recv |
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44 | #undef stat |
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45 | #undef lstat |
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46 | #undef fstat |
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47 | #undef truncate |
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48 | #undef ftruncate |
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49 | #undef open |
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50 | #undef link |
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51 | #undef close |
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52 | #undef unlink |
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53 | #undef mkdir |
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54 | #undef rmdir |
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55 | #undef rename |
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56 | #undef lseek |
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57 | #undef opendir |
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58 | #undef readdir |
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59 | #undef closedir |
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60 | #undef chmod |
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61 | #undef fchmod |
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62 | #undef dup |
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63 | #undef dup2 |
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64 | #undef abort |
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65 | #undef pipe |
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66 | |
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67 | #else |
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68 | |
40 | # include <sys/socket.h> |
69 | #include <sys/time.h> |
41 | # elif __solaris /* not yet */ |
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42 | # include <sys/sendfile.h> |
70 | #include <sys/select.h> |
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71 | #include <unistd.h> |
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72 | #include <utime.h> |
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73 | #include <signal.h> |
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74 | |
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75 | #endif |
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76 | |
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77 | #define EIO_STRUCT_STAT Stat_t |
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78 | |
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79 | /* use NV for 32 bit perls as it allows larger offsets */ |
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80 | #if IVSIZE >= 8 |
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81 | # define VAL64 IV |
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82 | # define SvVAL64 SvIV |
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83 | # define newSVval64 newSViv |
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84 | #else |
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85 | # define VAL64 NV |
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86 | # define SvVAL64 SvNV |
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87 | # define newSVval64 newSVnv |
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88 | #endif |
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89 | |
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90 | /*****************************************************************************/ |
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91 | |
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92 | #if __GNUC__ >= 3 |
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93 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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94 | #else |
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95 | # define expect(expr,value) (expr) |
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96 | #endif |
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97 | |
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98 | #define expect_false(expr) expect ((expr) != 0, 0) |
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99 | #define expect_true(expr) expect ((expr) != 0, 1) |
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100 | |
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101 | /*****************************************************************************/ |
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102 | |
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103 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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104 | typedef int aio_rfd; /* read file desriptor */ |
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105 | typedef int aio_wfd; /* write file descriptor */ |
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106 | |
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107 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
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108 | |
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109 | #define EIO_REQ_MEMBERS \ |
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110 | SV *callback; \ |
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111 | SV *sv1, *sv2; \ |
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112 | SV *sv3, *sv4; \ |
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113 | STRLEN stroffset; \ |
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114 | SV *self; |
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115 | |
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116 | #define EIO_NO_WRAPPERS 1 |
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117 | |
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118 | #include "libeio/config.h" |
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119 | #include "libeio/eio.h" |
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120 | |
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121 | static int req_invoke (eio_req *req); |
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122 | #define EIO_FINISH(req) req_invoke (req) |
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123 | static void req_destroy (eio_req *grp); |
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124 | #define EIO_DESTROY(req) req_destroy (req) |
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125 | |
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126 | #include "libeio/eio.c" |
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127 | |
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128 | /* Linux/others */ |
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129 | #ifndef O_ASYNC |
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130 | # define O_ASYNC 0 |
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131 | #endif |
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132 | #ifndef O_DIRECT |
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133 | # define O_DIRECT 0 |
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134 | #endif |
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135 | #ifndef O_NOATIME |
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136 | # define O_NOATIME 0 |
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137 | #endif |
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138 | |
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139 | /* POSIX */ |
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140 | #ifndef O_CLOEXEC |
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141 | # define O_CLOEXEC 0 |
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142 | #endif |
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143 | #ifndef O_NOFOLLOW |
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144 | # define O_NOFOLLOW 0 |
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145 | #endif |
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146 | #ifndef O_NOCTTY |
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147 | # define O_NOCTTY 0 |
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148 | #endif |
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149 | #ifndef O_NONBLOCK |
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150 | # define O_NONBLOCK 0 |
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151 | #endif |
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152 | #ifndef O_EXEC |
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153 | # define O_EXEC 0 |
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154 | #endif |
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155 | #ifndef O_SEARCH |
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156 | # define O_SEARCH 0 |
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157 | #endif |
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158 | #ifndef O_DIRECTORY |
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159 | # define O_DIRECTORY 0 |
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160 | #endif |
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161 | #ifndef O_DSYNC |
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162 | # define O_DSYNC 0 |
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163 | #endif |
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164 | #ifndef O_RSYNC |
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165 | # define O_RSYNC 0 |
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166 | #endif |
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167 | #ifndef O_SYNC |
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168 | # define O_SYNC 0 |
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169 | #endif |
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170 | #ifndef O_TTY_INIT |
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171 | # define O_TTY_INIT 0 |
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172 | #endif |
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173 | |
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174 | #ifndef POSIX_FADV_NORMAL |
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175 | # define POSIX_FADV_NORMAL 0 |
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176 | #endif |
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177 | #ifndef POSIX_FADV_SEQUENTIAL |
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178 | # define POSIX_FADV_SEQUENTIAL 0 |
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179 | #endif |
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180 | #ifndef POSIX_FADV_RANDOM |
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181 | # define POSIX_FADV_RANDOM 0 |
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182 | #endif |
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183 | #ifndef POSIX_FADV_NOREUSE |
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184 | # define POSIX_FADV_NOREUSE 0 |
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185 | #endif |
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186 | #ifndef POSIX_FADV_WILLNEED |
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187 | # define POSIX_FADV_WILLNEED 0 |
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188 | #endif |
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189 | #ifndef POSIX_FADV_DONTNEED |
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190 | # define POSIX_FADV_DONTNEED 0 |
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191 | #endif |
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192 | |
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193 | #if !HAVE_POSIX_FADVISE |
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194 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
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195 | #endif |
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196 | |
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197 | #ifndef POSIX_MADV_NORMAL |
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198 | # define POSIX_MADV_NORMAL 0 |
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199 | #endif |
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200 | #ifndef POSIX_MADV_SEQUENTIAL |
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201 | # define POSIX_MADV_SEQUENTIAL 0 |
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202 | #endif |
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203 | #ifndef POSIX_MADV_RANDOM |
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204 | # define POSIX_MADV_RANDOM 0 |
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205 | #endif |
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206 | #ifndef POSIX_MADV_WILLNEED |
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207 | # define POSIX_MADV_WILLNEED 0 |
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208 | #endif |
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209 | #ifndef POSIX_MADV_DONTNEED |
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210 | # define POSIX_MADV_DONTNEED 0 |
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211 | #endif |
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212 | |
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213 | #if !HAVE_POSIX_MADVISE |
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214 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
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215 | #endif |
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216 | |
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217 | #ifndef PROT_NONE |
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218 | # define PROT_NONE 0 |
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219 | #endif |
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220 | #ifndef PROT_READ |
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221 | # define PROT_READ 0 |
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222 | #endif |
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223 | #ifndef PROT_WRITE |
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224 | # define PROT_READ 0 |
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225 | #endif |
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226 | #ifndef PROT_EXEC |
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227 | # define PROT_EXEC 0 |
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228 | #endif |
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229 | |
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230 | #ifndef ST_RDONLY |
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231 | # define ST_RDONLY 0 |
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232 | #endif |
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233 | #ifndef ST_NOSUID |
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234 | # define ST_NOSUID 0 |
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235 | #endif |
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236 | #ifndef ST_NODEV |
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237 | # define ST_NODEV 0 |
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238 | #endif |
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239 | #ifndef ST_NOEXEC |
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240 | # define ST_NOEXEC 0 |
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241 | #endif |
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242 | #ifndef ST_SYNCHRONOUS |
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243 | # define ST_SYNCHRONOUS 0 |
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244 | #endif |
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245 | #ifndef ST_MANDLOCK |
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246 | # define ST_MANDLOCK 0 |
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247 | #endif |
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248 | #ifndef ST_WRITE |
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249 | # define ST_WRITE 0 |
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250 | #endif |
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251 | #ifndef ST_APPEND |
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252 | # define ST_APPEND 0 |
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253 | #endif |
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254 | #ifndef ST_IMMUTABLE |
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255 | # define ST_IMMUTABLE 0 |
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256 | #endif |
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257 | #ifndef ST_NOATIME |
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258 | # define ST_NOATIME 0 |
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259 | #endif |
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260 | #ifndef ST_NODIRATIME |
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261 | # define ST_NODIRATIME 0 |
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262 | #endif |
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263 | #ifndef ST_RELATIME |
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264 | # define ST_RELATIME 0 |
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265 | #endif |
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266 | |
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267 | #ifndef S_IFIFO |
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268 | # define S_IFIFO 0 |
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269 | #endif |
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270 | #ifndef S_IFCHR |
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271 | # define S_IFCHR 0 |
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272 | #endif |
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273 | #ifndef S_IFBLK |
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274 | # define S_IFBLK 0 |
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275 | #endif |
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276 | #ifndef S_IFLNK |
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277 | # define S_IFLNK 0 |
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278 | #endif |
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279 | #ifndef S_IFREG |
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280 | # define S_IFREG 0 |
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281 | #endif |
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282 | #ifndef S_IFDIR |
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283 | # define S_IFDIR 0 |
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284 | #endif |
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285 | #ifndef S_IFWHT |
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286 | # define S_IFWHT 0 |
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287 | #endif |
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288 | #ifndef S_IFSOCK |
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289 | # define S_IFSOCK 0 |
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290 | #endif |
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291 | |
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292 | #ifndef MAP_ANONYMOUS |
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293 | # ifdef MAP_ANON |
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294 | # define MAP_ANONYMOUS MAP_ANON |
43 | # else |
295 | # else |
44 | # error sendfile support requested but not available |
296 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
45 | # endif |
297 | # endif |
46 | #endif |
298 | #endif |
47 | |
299 | #ifndef MAP_HUGETLB |
48 | /* number of seconds after which idle threads exit */ |
300 | # define MAP_HUGETLB 0 |
49 | #define IDLE_TIMEOUT 10 |
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50 | |
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51 | /* used for struct dirent, AIX doesn't provide it */ |
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52 | #ifndef NAME_MAX |
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53 | # define NAME_MAX 4096 |
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54 | #endif |
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55 | |
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56 | #ifndef PTHREAD_STACK_MIN |
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57 | /* care for broken platforms, e.g. windows */ |
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58 | # define PTHREAD_STACK_MIN 16384 |
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59 | #endif |
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60 | |
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61 | #if __ia64 |
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62 | # define STACKSIZE 65536 |
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63 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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64 | # define STACKSIZE PTHREAD_STACK_MIN |
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65 | #else |
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66 | # define STACKSIZE 16384 |
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67 | #endif |
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68 | |
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69 | /* wether word reads are potentially non-atomic. |
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70 | * this is conservatice, likely most arches this runs |
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71 | * on have atomic word read/writes. |
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72 | */ |
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73 | #ifndef WORDACCESS_UNSAFE |
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74 | # if __i386 || __x86_64 |
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75 | # define WORDACCESS_UNSAFE 0 |
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76 | # else |
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77 | # define WORDACCESS_UNSAFE 1 |
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78 | # endif |
301 | #endif |
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302 | #ifndef MAP_LOCKED |
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303 | # define MAP_LOCKED 0 |
79 | #endif |
304 | #endif |
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305 | #ifndef MAP_NORESERVE |
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306 | # define MAP_NORESERVE 0 |
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307 | #endif |
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308 | #ifndef MAP_POPULATE |
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309 | # define MAP_POPULATE 0 |
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310 | #endif |
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311 | #ifndef MAP_NONBLOCK |
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312 | # define MAP_NONBLOCK 0 |
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313 | #endif |
80 | |
314 | |
81 | /* buffer size for various temporary buffers */ |
315 | #ifndef makedev |
82 | #define AIO_BUFSIZE 65536 |
316 | # define makedev(maj,min) (((maj) << 8) | (min)) |
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317 | #endif |
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318 | #ifndef major |
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319 | # define major(dev) ((dev) >> 8) |
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320 | #endif |
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321 | #ifndef minor |
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322 | # define minor(dev) ((dev) & 0xff) |
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323 | #endif |
83 | |
324 | |
84 | #define dBUF \ |
325 | #ifndef PAGESIZE |
85 | char *aio_buf; \ |
326 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
86 | LOCK (wrklock); \ |
327 | #endif |
87 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
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88 | UNLOCK (wrklock); \ |
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89 | if (!aio_buf) \ |
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90 | return -1; |
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91 | |
328 | |
92 | enum { |
329 | enum { |
93 | REQ_QUIT, |
330 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
94 | REQ_OPEN, REQ_CLOSE, |
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95 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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96 | REQ_SENDFILE, |
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97 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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98 | REQ_FSYNC, REQ_FDATASYNC, |
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99 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
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100 | REQ_MKNOD, REQ_READDIR, |
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101 | REQ_LINK, REQ_SYMLINK, |
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102 | REQ_GROUP, REQ_NOP, |
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103 | REQ_BUSY, |
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104 | }; |
331 | }; |
105 | |
332 | |
106 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
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107 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
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108 | |
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109 | typedef struct aio_cb |
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110 | { |
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111 | struct aio_cb *volatile next; |
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112 | |
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113 | SV *data, *callback; |
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114 | SV *fh, *fh2; |
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115 | void *dataptr, *data2ptr; |
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116 | Stat_t *statdata; |
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117 | off_t offset; |
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118 | size_t length; |
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119 | ssize_t result; |
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120 | |
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121 | STRLEN dataoffset; |
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122 | int type; |
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123 | int fd, fd2; |
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124 | int errorno; |
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125 | mode_t mode; /* open */ |
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126 | |
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127 | unsigned char flags; |
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128 | unsigned char pri; |
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129 | |
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130 | SV *self; /* the perl counterpart of this request, if any */ |
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131 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
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132 | } aio_cb; |
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133 | |
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134 | enum { |
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135 | FLAG_CANCELLED = 0x01, |
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136 | }; |
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137 | |
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138 | typedef aio_cb *aio_req; |
333 | typedef eio_req *aio_req; |
139 | typedef aio_cb *aio_req_ornot; |
334 | typedef eio_req *aio_req_ornot; |
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335 | typedef eio_wd aio_wd; |
140 | |
336 | |
141 | enum { |
337 | static SV *on_next_submit; |
142 | PRI_MIN = -4, |
338 | static int next_pri = EIO_PRI_DEFAULT; |
143 | PRI_MAX = 4, |
339 | static int max_outstanding; |
144 | |
340 | |
145 | DEFAULT_PRI = 0, |
341 | static s_epipe respipe; |
146 | PRI_BIAS = -PRI_MIN, |
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147 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
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148 | }; |
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149 | |
342 | |
150 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
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151 | |
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152 | static unsigned int max_poll_time = 0; |
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153 | static unsigned int max_poll_reqs = 0; |
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154 | |
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155 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
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156 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
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157 | { |
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158 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
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159 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
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160 | } |
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161 | |
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162 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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163 | |
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164 | static unsigned int started, idle, wanted; |
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165 | |
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166 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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167 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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168 | #else |
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169 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
|
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170 | #endif |
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171 | |
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172 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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173 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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174 | |
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175 | /* worker threads management */ |
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176 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
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177 | |
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178 | typedef struct worker { |
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179 | /* locked by wrklock */ |
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180 | struct worker *prev, *next; |
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181 | |
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182 | pthread_t tid; |
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183 | |
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184 | /* locked by reslock, reqlock or wrklock */ |
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185 | aio_req req; /* currently processed request */ |
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186 | void *dbuf; |
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187 | DIR *dirp; |
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188 | } worker; |
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189 | |
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190 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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191 | |
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192 | static void worker_clear (worker *wrk) |
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193 | { |
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194 | if (wrk->dirp) |
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195 | { |
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196 | closedir (wrk->dirp); |
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197 | wrk->dirp = 0; |
|
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198 | } |
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199 | |
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200 | if (wrk->dbuf) |
|
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201 | { |
|
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202 | free (wrk->dbuf); |
|
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203 | wrk->dbuf = 0; |
|
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204 | } |
|
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205 | } |
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206 | |
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207 | static void worker_free (worker *wrk) |
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208 | { |
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209 | wrk->next->prev = wrk->prev; |
|
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210 | wrk->prev->next = wrk->next; |
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211 | |
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212 | free (wrk); |
|
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213 | } |
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214 | |
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215 | static volatile unsigned int nreqs, nready, npending; |
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216 | static volatile unsigned int max_idle = 4; |
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217 | static volatile unsigned int max_outstanding = 0xffffffff; |
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218 | static int respipe [2]; |
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219 | |
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220 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
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221 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
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222 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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223 | |
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224 | #if WORDACCESS_UNSAFE |
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225 | |
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226 | static unsigned int get_nready () |
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227 | { |
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228 | unsigned int retval; |
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229 | |
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230 | LOCK (reqlock); |
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231 | retval = nready; |
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232 | UNLOCK (reqlock); |
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233 | |
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234 | return retval; |
|
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235 | } |
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236 | |
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237 | static unsigned int get_npending () |
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238 | { |
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239 | unsigned int retval; |
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240 | |
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241 | LOCK (reslock); |
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242 | retval = npending; |
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243 | UNLOCK (reslock); |
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244 | |
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245 | return retval; |
|
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246 | } |
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247 | |
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248 | static unsigned int get_nthreads () |
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249 | { |
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250 | unsigned int retval; |
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251 | |
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252 | LOCK (wrklock); |
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253 | retval = started; |
|
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254 | UNLOCK (wrklock); |
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255 | |
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256 | return retval; |
|
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257 | } |
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258 | |
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259 | #else |
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260 | |
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261 | # define get_nready() nready |
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262 | # define get_npending() npending |
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263 | # define get_nthreads() started |
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264 | |
|
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265 | #endif |
|
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266 | |
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267 | /* |
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268 | * a somewhat faster data structure might be nice, but |
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269 | * with 8 priorities this actually needs <20 insns |
|
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270 | * per shift, the most expensive operation. |
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271 | */ |
|
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272 | typedef struct { |
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273 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
|
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274 | int size; |
|
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275 | } reqq; |
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276 | |
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277 | static reqq req_queue; |
|
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278 | static reqq res_queue; |
|
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279 | |
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280 | int reqq_push (reqq *q, aio_req req) |
|
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281 | { |
|
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282 | int pri = req->pri; |
|
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283 | req->next = 0; |
|
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284 | |
|
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285 | if (q->qe[pri]) |
|
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286 | { |
|
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287 | q->qe[pri]->next = req; |
|
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288 | q->qe[pri] = req; |
|
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289 | } |
|
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290 | else |
|
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291 | q->qe[pri] = q->qs[pri] = req; |
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292 | |
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293 | return q->size++; |
|
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294 | } |
|
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295 | |
|
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296 | aio_req reqq_shift (reqq *q) |
|
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297 | { |
|
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298 | int pri; |
|
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299 | |
|
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300 | if (!q->size) |
|
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301 | return 0; |
|
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302 | |
|
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303 | --q->size; |
|
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304 | |
|
|
305 | for (pri = NUM_PRI; pri--; ) |
|
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306 | { |
|
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307 | aio_req req = q->qs[pri]; |
|
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308 | |
|
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309 | if (req) |
|
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310 | { |
|
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311 | if (!(q->qs[pri] = req->next)) |
|
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312 | q->qe[pri] = 0; |
|
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313 | |
|
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314 | return req; |
|
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315 | } |
|
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316 | } |
|
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317 | |
|
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318 | abort (); |
|
|
319 | } |
|
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320 | |
|
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321 | static int poll_cb (); |
|
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322 | static void req_invoke (aio_req req); |
|
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323 | static void req_free (aio_req req); |
343 | static void req_destroy (aio_req req); |
324 | static void req_cancel (aio_req req); |
344 | static void req_cancel (aio_req req); |
325 | |
345 | |
|
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346 | static void |
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347 | want_poll (void) |
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348 | { |
|
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349 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
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350 | s_epipe_signal (&respipe); |
|
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351 | } |
|
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352 | |
|
|
353 | static void |
|
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354 | done_poll (void) |
|
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355 | { |
|
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356 | /* read any signals sent by the worker threads */ |
|
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357 | s_epipe_drain (&respipe); |
|
|
358 | } |
|
|
359 | |
326 | /* must be called at most once */ |
360 | /* must be called at most once */ |
327 | static SV *req_sv (aio_req req, const char *klass) |
361 | static SV * |
|
|
362 | req_sv (aio_req req, HV *stash) |
328 | { |
363 | { |
329 | if (!req->self) |
364 | if (!req->self) |
330 | { |
365 | { |
331 | req->self = (SV *)newHV (); |
366 | req->self = (SV *)newHV (); |
332 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
367 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
333 | } |
368 | } |
334 | |
369 | |
335 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
370 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
336 | } |
371 | } |
337 | |
372 | |
338 | static aio_req SvAIO_REQ (SV *sv) |
373 | static SV * |
|
|
374 | newSVaio_wd (aio_wd wd) |
|
|
375 | { |
|
|
376 | return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash); |
|
|
377 | } |
|
|
378 | |
|
|
379 | static aio_req |
|
|
380 | SvAIO_REQ (SV *sv) |
339 | { |
381 | { |
340 | MAGIC *mg; |
382 | MAGIC *mg; |
341 | |
383 | |
342 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
384 | if (!SvROK (sv) |
|
|
385 | /* for speed reasons, we do not verify that SvROK actually has a stash ptr */ |
|
|
386 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
|
|
387 | && SvSTASH (SvRV (sv)) != aio_req_stash |
|
|
388 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
343 | croak ("object of class " AIO_REQ_KLASS " expected"); |
389 | croak ("object of class IO::AIO::REQ expected"); |
344 | |
390 | |
345 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
391 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
346 | |
392 | |
347 | return mg ? (aio_req)mg->mg_ptr : 0; |
393 | return mg ? (aio_req)mg->mg_ptr : 0; |
348 | } |
394 | } |
349 | |
395 | |
|
|
396 | static aio_wd |
|
|
397 | SvAIO_WD (SV *sv) |
|
|
398 | { |
|
|
399 | if (!SvROK (sv) |
|
|
400 | || SvTYPE (SvRV (sv)) != SVt_PVMG |
|
|
401 | || SvSTASH (SvRV (sv)) != aio_wd_stash) |
|
|
402 | croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
|
|
403 | |
|
|
404 | return (aio_wd)(long)SvIVX (SvRV (sv)); |
|
|
405 | } |
|
|
406 | |
|
|
407 | static void |
350 | static void aio_grp_feed (aio_req grp) |
408 | aio_grp_feed (aio_req grp) |
351 | { |
409 | { |
352 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
410 | if (grp->sv2 && SvOK (grp->sv2)) |
353 | { |
411 | { |
354 | int old_len = grp->length; |
|
|
355 | |
|
|
356 | if (grp->fh2 && SvOK (grp->fh2)) |
|
|
357 | { |
|
|
358 | dSP; |
412 | dSP; |
359 | |
413 | |
360 | ENTER; |
414 | ENTER; |
361 | SAVETMPS; |
415 | SAVETMPS; |
362 | PUSHMARK (SP); |
416 | PUSHMARK (SP); |
363 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
417 | XPUSHs (req_sv (grp, aio_grp_stash)); |
364 | PUTBACK; |
418 | PUTBACK; |
365 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
419 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
366 | SPAGAIN; |
420 | SPAGAIN; |
367 | FREETMPS; |
421 | FREETMPS; |
368 | LEAVE; |
422 | LEAVE; |
369 | } |
|
|
370 | |
|
|
371 | /* stop if no progress has been made */ |
|
|
372 | if (old_len == grp->length) |
|
|
373 | { |
|
|
374 | SvREFCNT_dec (grp->fh2); |
|
|
375 | grp->fh2 = 0; |
|
|
376 | break; |
|
|
377 | } |
|
|
378 | } |
423 | } |
379 | } |
424 | } |
380 | |
425 | |
381 | static void aio_grp_dec (aio_req grp) |
426 | static void |
|
|
427 | req_submit (eio_req *req) |
382 | { |
428 | { |
383 | --grp->length; |
429 | eio_submit (req); |
384 | |
430 | |
385 | /* call feeder, if applicable */ |
431 | if (expect_false (on_next_submit)) |
386 | aio_grp_feed (grp); |
|
|
387 | |
|
|
388 | /* finish, if done */ |
|
|
389 | if (!grp->length && grp->fd) |
|
|
390 | { |
432 | { |
391 | req_invoke (grp); |
433 | dSP; |
392 | req_free (grp); |
434 | SV *cb = sv_2mortal (on_next_submit); |
|
|
435 | |
|
|
436 | on_next_submit = 0; |
|
|
437 | |
|
|
438 | PUSHMARK (SP); |
|
|
439 | PUTBACK; |
|
|
440 | call_sv (cb, G_DISCARD | G_EVAL); |
393 | } |
441 | } |
394 | } |
442 | } |
395 | |
443 | |
|
|
444 | static int |
396 | static void req_invoke (aio_req req) |
445 | req_invoke (eio_req *req) |
397 | { |
446 | { |
398 | dSP; |
447 | if (req->flags & FLAG_SV2_RO_OFF) |
|
|
448 | SvREADONLY_off (req->sv2); |
399 | |
449 | |
400 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
450 | if (!EIO_CANCELLED (req) && req->callback) |
401 | { |
451 | { |
|
|
452 | dSP; |
|
|
453 | static SV *sv_result_cache; /* caches the result integer SV */ |
|
|
454 | SV *sv_result; |
|
|
455 | |
402 | ENTER; |
456 | ENTER; |
403 | SAVETMPS; |
457 | SAVETMPS; |
404 | PUSHMARK (SP); |
458 | PUSHMARK (SP); |
405 | EXTEND (SP, 1); |
459 | EXTEND (SP, 1); |
406 | |
460 | |
|
|
461 | /* do not recreate the result IV from scratch each time */ |
|
|
462 | if (expect_true (sv_result_cache)) |
|
|
463 | { |
|
|
464 | sv_result = sv_result_cache; sv_result_cache = 0; |
|
|
465 | SvIV_set (sv_result, req->result); |
|
|
466 | SvIOK_only (sv_result); |
|
|
467 | } |
|
|
468 | else |
|
|
469 | { |
|
|
470 | sv_result = newSViv (req->result); |
|
|
471 | SvREADONLY_on (sv_result); |
|
|
472 | } |
|
|
473 | |
407 | switch (req->type) |
474 | switch (req->type) |
408 | { |
475 | { |
|
|
476 | case EIO_WD_OPEN: |
|
|
477 | PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd))); |
|
|
478 | break; |
|
|
479 | |
409 | case REQ_READDIR: |
480 | case EIO_READDIR: |
410 | { |
481 | { |
411 | SV *rv = &PL_sv_undef; |
482 | SV *rv = &PL_sv_undef; |
412 | |
483 | |
413 | if (req->result >= 0) |
484 | if (req->result >= 0) |
414 | { |
485 | { |
415 | int i; |
486 | int i; |
416 | char *buf = req->data2ptr; |
487 | char *names = (char *)req->ptr2; |
|
|
488 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
417 | AV *av = newAV (); |
489 | AV *av = newAV (); |
418 | |
490 | |
419 | av_extend (av, req->result - 1); |
491 | av_extend (av, req->result - 1); |
420 | |
492 | |
421 | for (i = 0; i < req->result; ++i) |
493 | for (i = 0; i < req->result; ++i) |
422 | { |
494 | { |
423 | SV *sv = newSVpv (buf, 0); |
495 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
496 | { |
|
|
497 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
424 | |
498 | |
|
|
499 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
500 | { |
|
|
501 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
502 | AV *avent = newAV (); |
|
|
503 | |
|
|
504 | av_extend (avent, 2); |
|
|
505 | |
|
|
506 | if (!sv_type [ent->type]) |
|
|
507 | { |
|
|
508 | sv_type [ent->type] = newSViv (ent->type); |
|
|
509 | SvREADONLY_on (sv_type [ent->type]); |
|
|
510 | } |
|
|
511 | |
|
|
512 | av_store (avent, 0, namesv); |
|
|
513 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
514 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
515 | |
|
|
516 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
517 | } |
|
|
518 | else |
425 | av_store (av, i, sv); |
519 | av_store (av, i, namesv); |
|
|
520 | |
|
|
521 | ++ent; |
|
|
522 | } |
|
|
523 | else |
|
|
524 | { |
|
|
525 | SV *name = newSVpv (names, 0); |
|
|
526 | av_store (av, i, name); |
426 | buf += SvCUR (sv) + 1; |
527 | names += SvCUR (name) + 1; |
|
|
528 | } |
427 | } |
529 | } |
428 | |
530 | |
429 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
531 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
430 | } |
532 | } |
431 | |
533 | |
432 | PUSHs (rv); |
534 | PUSHs (rv); |
|
|
535 | |
|
|
536 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
537 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
433 | } |
538 | } |
434 | break; |
539 | break; |
435 | |
540 | |
436 | case REQ_OPEN: |
541 | case EIO_OPEN: |
437 | { |
542 | { |
438 | /* convert fd to fh */ |
543 | /* convert fd to fh */ |
439 | SV *fh; |
544 | SV *fh = &PL_sv_undef; |
440 | |
545 | |
441 | PUSHs (sv_2mortal (newSViv (req->result))); |
546 | if (req->result >= 0) |
442 | PUTBACK; |
547 | { |
443 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
548 | GV *gv = (GV *)sv_newmortal (); |
444 | SPAGAIN; |
549 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
|
|
550 | char sym [64]; |
|
|
551 | int symlen; |
|
|
552 | |
|
|
553 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
|
|
554 | gv_init (gv, aio_stash, sym, symlen, 0); |
445 | |
555 | |
446 | fh = SvREFCNT_inc (POPs); |
556 | symlen = snprintf ( |
|
|
557 | sym, |
|
|
558 | sizeof (sym), |
|
|
559 | "%s&=%d", |
|
|
560 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
561 | (int)req->result |
|
|
562 | ); |
447 | |
563 | |
|
|
564 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
565 | fh = (SV *)gv; |
|
|
566 | } |
|
|
567 | |
448 | PUSHMARK (SP); |
568 | PUSHs (fh); |
449 | XPUSHs (sv_2mortal (fh)); |
|
|
450 | } |
569 | } |
451 | break; |
570 | break; |
452 | |
571 | |
|
|
572 | case EIO_STATVFS: |
|
|
573 | case EIO_FSTATVFS: |
|
|
574 | { |
|
|
575 | SV *rv = &PL_sv_undef; |
|
|
576 | |
|
|
577 | #ifndef _WIN32 |
|
|
578 | if (req->result >= 0) |
|
|
579 | { |
|
|
580 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
581 | HV *hv = newHV (); |
|
|
582 | |
|
|
583 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
|
|
584 | |
|
|
585 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
|
|
586 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
587 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
588 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
589 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
590 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
591 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
592 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
593 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
|
|
594 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
595 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
596 | } |
|
|
597 | #endif |
|
|
598 | |
|
|
599 | PUSHs (rv); |
|
|
600 | } |
|
|
601 | |
|
|
602 | break; |
|
|
603 | |
453 | case REQ_GROUP: |
604 | case EIO_GROUP: |
454 | req->fd = 2; /* mark group as finished */ |
605 | req->int1 = 2; /* mark group as finished */ |
455 | |
606 | |
456 | if (req->data) |
607 | if (req->sv1) |
457 | { |
608 | { |
458 | int i; |
609 | int i; |
459 | AV *av = (AV *)req->data; |
610 | AV *av = (AV *)req->sv1; |
460 | |
611 | |
461 | EXTEND (SP, AvFILL (av) + 1); |
612 | EXTEND (SP, AvFILL (av) + 1); |
462 | for (i = 0; i <= AvFILL (av); ++i) |
613 | for (i = 0; i <= AvFILL (av); ++i) |
463 | PUSHs (*av_fetch (av, i, 0)); |
614 | PUSHs (*av_fetch (av, i, 0)); |
464 | } |
615 | } |
465 | break; |
616 | break; |
466 | |
617 | |
467 | case REQ_NOP: |
618 | case EIO_NOP: |
468 | case REQ_BUSY: |
619 | case EIO_BUSY: |
469 | break; |
620 | break; |
470 | |
621 | |
|
|
622 | case EIO_READLINK: |
|
|
623 | case EIO_REALPATH: |
|
|
624 | if (req->result > 0) |
|
|
625 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
626 | break; |
|
|
627 | |
|
|
628 | case EIO_STAT: |
|
|
629 | case EIO_LSTAT: |
|
|
630 | case EIO_FSTAT: |
|
|
631 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
632 | |
|
|
633 | if (!(PL_laststatval = req->result)) |
|
|
634 | /* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
|
|
635 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
636 | |
|
|
637 | PUSHs (sv_result); |
|
|
638 | break; |
|
|
639 | |
|
|
640 | case EIO_READ: |
|
|
641 | { |
|
|
642 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
643 | *SvEND (req->sv2) = 0; |
|
|
644 | SvPOK_only (req->sv2); |
|
|
645 | SvSETMAGIC (req->sv2); |
|
|
646 | PUSHs (sv_result); |
|
|
647 | } |
|
|
648 | break; |
|
|
649 | |
|
|
650 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
|
|
651 | if (req->result > 0) |
|
|
652 | SvIV_set (sv_result, 0); |
|
|
653 | /* FALLTHROUGH */ |
|
|
654 | |
471 | default: |
655 | default: |
472 | PUSHs (sv_2mortal (newSViv (req->result))); |
656 | PUSHs (sv_result); |
473 | break; |
657 | break; |
474 | } |
658 | } |
475 | |
659 | |
476 | errno = req->errorno; |
660 | errno = req->errorno; |
477 | |
661 | |
478 | PUTBACK; |
662 | PUTBACK; |
479 | call_sv (req->callback, G_VOID | G_EVAL); |
663 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
480 | SPAGAIN; |
664 | SPAGAIN; |
|
|
665 | |
|
|
666 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
667 | SvREFCNT_dec (sv_result); |
|
|
668 | else |
|
|
669 | sv_result_cache = sv_result; |
481 | |
670 | |
482 | FREETMPS; |
671 | FREETMPS; |
483 | LEAVE; |
672 | LEAVE; |
|
|
673 | |
|
|
674 | PUTBACK; |
484 | } |
675 | } |
485 | |
676 | |
486 | if (req->grp) |
677 | return !!SvTRUE (ERRSV); |
487 | { |
|
|
488 | aio_req grp = req->grp; |
|
|
489 | |
|
|
490 | /* unlink request */ |
|
|
491 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
492 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
493 | |
|
|
494 | if (grp->grp_first == req) |
|
|
495 | grp->grp_first = req->grp_next; |
|
|
496 | |
|
|
497 | aio_grp_dec (grp); |
|
|
498 | } |
|
|
499 | |
|
|
500 | if (SvTRUE (ERRSV)) |
|
|
501 | { |
|
|
502 | req_free (req); |
|
|
503 | croak (0); |
|
|
504 | } |
|
|
505 | } |
678 | } |
506 | |
679 | |
507 | static void req_free (aio_req req) |
680 | static void |
|
|
681 | req_destroy (aio_req req) |
508 | { |
682 | { |
509 | if (req->self) |
683 | if (req->self) |
510 | { |
684 | { |
511 | sv_unmagic (req->self, PERL_MAGIC_ext); |
685 | sv_unmagic (req->self, PERL_MAGIC_ext); |
512 | SvREFCNT_dec (req->self); |
686 | SvREFCNT_dec (req->self); |
513 | } |
687 | } |
514 | |
688 | |
515 | SvREFCNT_dec (req->data); |
|
|
516 | SvREFCNT_dec (req->fh); |
689 | SvREFCNT_dec (req->sv1); |
517 | SvREFCNT_dec (req->fh2); |
690 | SvREFCNT_dec (req->sv2); |
|
|
691 | SvREFCNT_dec (req->sv3); |
|
|
692 | SvREFCNT_dec (req->sv4); |
518 | SvREFCNT_dec (req->callback); |
693 | SvREFCNT_dec (req->callback); |
519 | Safefree (req->statdata); |
|
|
520 | |
694 | |
521 | if (req->type == REQ_READDIR) |
|
|
522 | free (req->data2ptr); |
|
|
523 | |
|
|
524 | Safefree (req); |
695 | free (req); |
525 | } |
696 | } |
526 | |
697 | |
|
|
698 | static void |
527 | static void req_cancel_subs (aio_req grp) |
699 | req_cancel_subs (aio_req grp) |
528 | { |
700 | { |
529 | aio_req sub; |
|
|
530 | |
|
|
531 | if (grp->type != REQ_GROUP) |
701 | if (grp->type != EIO_GROUP) |
532 | return; |
702 | return; |
533 | |
703 | |
534 | SvREFCNT_dec (grp->fh2); |
704 | SvREFCNT_dec (grp->sv2); |
535 | grp->fh2 = 0; |
705 | grp->sv2 = 0; |
536 | |
706 | |
537 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
707 | eio_grp_cancel (grp); |
538 | req_cancel (sub); |
|
|
539 | } |
708 | } |
540 | |
709 | |
541 | static void req_cancel (aio_req req) |
710 | static void ecb_cold |
|
|
711 | create_respipe (void) |
542 | { |
712 | { |
543 | req->flags |= FLAG_CANCELLED; |
713 | if (s_epipe_renew (&respipe)) |
544 | |
714 | croak ("IO::AIO: unable to initialize result pipe"); |
545 | req_cancel_subs (req); |
|
|
546 | } |
715 | } |
547 | |
716 | |
548 | static void *aio_proc(void *arg); |
717 | static void |
549 | |
718 | poll_wait (void) |
550 | static void start_thread (void) |
|
|
551 | { |
719 | { |
552 | sigset_t fullsigset, oldsigset; |
|
|
553 | pthread_attr_t attr; |
|
|
554 | |
|
|
555 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
556 | |
|
|
557 | if (!wrk) |
|
|
558 | croak ("unable to allocate worker thread data"); |
|
|
559 | |
|
|
560 | pthread_attr_init (&attr); |
|
|
561 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
562 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
563 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
564 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
565 | #endif |
|
|
566 | |
|
|
567 | sigfillset (&fullsigset); |
|
|
568 | |
|
|
569 | LOCK (wrklock); |
|
|
570 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
571 | |
|
|
572 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
|
|
573 | { |
|
|
574 | wrk->prev = &wrk_first; |
|
|
575 | wrk->next = wrk_first.next; |
|
|
576 | wrk_first.next->prev = wrk; |
|
|
577 | wrk_first.next = wrk; |
|
|
578 | ++started; |
|
|
579 | } |
|
|
580 | else |
|
|
581 | free (wrk); |
|
|
582 | |
|
|
583 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
584 | UNLOCK (wrklock); |
|
|
585 | } |
|
|
586 | |
|
|
587 | static void maybe_start_thread () |
|
|
588 | { |
|
|
589 | if (get_nthreads () >= wanted) |
|
|
590 | return; |
|
|
591 | |
|
|
592 | /* todo: maybe use idle here, but might be less exact */ |
|
|
593 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
|
|
594 | return; |
|
|
595 | |
|
|
596 | start_thread (); |
|
|
597 | } |
|
|
598 | |
|
|
599 | static void req_send (aio_req req) |
|
|
600 | { |
|
|
601 | ++nreqs; |
|
|
602 | |
|
|
603 | LOCK (reqlock); |
|
|
604 | ++nready; |
|
|
605 | reqq_push (&req_queue, req); |
|
|
606 | pthread_cond_signal (&reqwait); |
|
|
607 | UNLOCK (reqlock); |
|
|
608 | |
|
|
609 | maybe_start_thread (); |
|
|
610 | } |
|
|
611 | |
|
|
612 | static void end_thread (void) |
|
|
613 | { |
|
|
614 | aio_req req; |
|
|
615 | |
|
|
616 | Newz (0, req, 1, aio_cb); |
|
|
617 | |
|
|
618 | req->type = REQ_QUIT; |
|
|
619 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
620 | |
|
|
621 | LOCK (reqlock); |
|
|
622 | reqq_push (&req_queue, req); |
|
|
623 | pthread_cond_signal (&reqwait); |
|
|
624 | UNLOCK (reqlock); |
|
|
625 | |
|
|
626 | LOCK (wrklock); |
|
|
627 | --started; |
|
|
628 | UNLOCK (wrklock); |
|
|
629 | } |
|
|
630 | |
|
|
631 | static void set_max_idle (int nthreads) |
|
|
632 | { |
|
|
633 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
|
|
634 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
635 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
|
|
636 | } |
|
|
637 | |
|
|
638 | static void min_parallel (int nthreads) |
|
|
639 | { |
|
|
640 | if (wanted < nthreads) |
|
|
641 | wanted = nthreads; |
|
|
642 | } |
|
|
643 | |
|
|
644 | static void max_parallel (int nthreads) |
|
|
645 | { |
|
|
646 | if (wanted > nthreads) |
|
|
647 | wanted = nthreads; |
|
|
648 | |
|
|
649 | while (started > wanted) |
|
|
650 | end_thread (); |
|
|
651 | } |
|
|
652 | |
|
|
653 | static void poll_wait () |
|
|
654 | { |
|
|
655 | fd_set rfd; |
|
|
656 | |
|
|
657 | while (nreqs) |
720 | while (eio_nreqs ()) |
658 | { |
721 | { |
659 | int size; |
722 | int size; |
660 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
723 | |
|
|
724 | X_LOCK (reslock); |
661 | size = res_queue.size; |
725 | size = res_queue.size; |
662 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
726 | X_UNLOCK (reslock); |
663 | |
727 | |
664 | if (size) |
728 | if (size) |
665 | return; |
729 | return; |
666 | |
730 | |
667 | maybe_start_thread (); |
731 | etp_maybe_start_thread (); |
668 | |
732 | |
669 | FD_ZERO(&rfd); |
733 | s_epipe_wait (&respipe); |
670 | FD_SET(respipe [0], &rfd); |
|
|
671 | |
|
|
672 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
673 | } |
734 | } |
674 | } |
735 | } |
675 | |
736 | |
676 | static int poll_cb () |
737 | static int |
|
|
738 | poll_cb (void) |
677 | { |
739 | { |
678 | dSP; |
|
|
679 | int count = 0; |
|
|
680 | int maxreqs = max_poll_reqs; |
|
|
681 | int do_croak = 0; |
|
|
682 | struct timeval tv_start, tv_now; |
|
|
683 | aio_req req; |
|
|
684 | |
|
|
685 | if (max_poll_time) |
|
|
686 | gettimeofday (&tv_start, 0); |
|
|
687 | |
|
|
688 | for (;;) |
740 | for (;;) |
689 | { |
741 | { |
690 | for (;;) |
742 | int res = eio_poll (); |
|
|
743 | |
|
|
744 | if (res > 0) |
|
|
745 | croak (0); |
|
|
746 | |
|
|
747 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
748 | return res; |
|
|
749 | |
|
|
750 | poll_wait (); |
|
|
751 | } |
|
|
752 | } |
|
|
753 | |
|
|
754 | static void ecb_cold |
|
|
755 | reinit (void) |
|
|
756 | { |
|
|
757 | create_respipe (); |
|
|
758 | |
|
|
759 | if (eio_init (want_poll, done_poll) < 0) |
|
|
760 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
761 | } |
|
|
762 | |
|
|
763 | /*****************************************************************************/ |
|
|
764 | |
|
|
765 | #if !_POSIX_MAPPED_FILES |
|
|
766 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
|
|
767 | # define munmap(addr,length) (errno = ENOSYS, -1) |
|
|
768 | #endif |
|
|
769 | |
|
|
770 | #if !_POSIX_MEMORY_PROTECTION |
|
|
771 | # define mprotect(addr,len,prot) (errno = ENOSYS, -1) |
|
|
772 | # define PROT_NONE 0 |
|
|
773 | # define PROT_WRITE 0 |
|
|
774 | # define MAP_PRIVATE 0 |
|
|
775 | # define MAP_SHARED 0 |
|
|
776 | # define MAP_FIXED 0 |
|
|
777 | #endif |
|
|
778 | |
|
|
779 | #define MMAP_MAGIC PERL_MAGIC_ext |
|
|
780 | |
|
|
781 | static int ecb_cold |
|
|
782 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
783 | { |
|
|
784 | int old_errno = errno; |
|
|
785 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
786 | errno = old_errno; |
|
|
787 | |
|
|
788 | mg->mg_obj = 0; /* just in case */ |
|
|
789 | |
|
|
790 | SvREADONLY_off (sv); |
|
|
791 | |
|
|
792 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
793 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
794 | |
|
|
795 | SvCUR_set (sv, 0); |
|
|
796 | SvPVX (sv) = 0; |
|
|
797 | SvOK_off (sv); |
|
|
798 | |
|
|
799 | return 0; |
|
|
800 | } |
|
|
801 | |
|
|
802 | static MGVTBL mmap_vtbl = { |
|
|
803 | 0, 0, 0, 0, mmap_free |
|
|
804 | }; |
|
|
805 | |
|
|
806 | /*****************************************************************************/ |
|
|
807 | |
|
|
808 | static SV * |
|
|
809 | get_cb (SV *cb_sv) |
|
|
810 | { |
|
|
811 | SvGETMAGIC (cb_sv); |
|
|
812 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
|
|
813 | } |
|
|
814 | |
|
|
815 | static aio_req ecb_noinline |
|
|
816 | dreq (SV *callback) |
|
|
817 | { |
|
|
818 | SV *cb_cv; |
|
|
819 | aio_req req; |
|
|
820 | int req_pri = next_pri; |
|
|
821 | next_pri = EIO_PRI_DEFAULT; |
|
|
822 | |
|
|
823 | cb_cv = get_cb (callback); |
|
|
824 | |
|
|
825 | req = calloc (sizeof (*req), 1); |
|
|
826 | if (!req) |
|
|
827 | croak ("out of memory during eio_req allocation"); |
|
|
828 | |
|
|
829 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
830 | req->pri = req_pri; |
|
|
831 | |
|
|
832 | return req; |
|
|
833 | } |
|
|
834 | |
|
|
835 | #define dREQ \ |
|
|
836 | aio_req req = dreq (callback); \ |
|
|
837 | |
|
|
838 | #define REQ_SEND \ |
|
|
839 | PUTBACK; \ |
|
|
840 | req_submit (req); \ |
|
|
841 | SPAGAIN; \ |
|
|
842 | \ |
|
|
843 | if (GIMME_V != G_VOID) \ |
|
|
844 | XPUSHs (req_sv (req, aio_req_stash)); |
|
|
845 | |
|
|
846 | ecb_inline void |
|
|
847 | req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
|
|
848 | { |
|
|
849 | if (expect_false (SvROK (path))) |
|
|
850 | { |
|
|
851 | SV *rv = SvRV (path); |
|
|
852 | SV *wdob; |
|
|
853 | |
|
|
854 | if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) |
691 | { |
855 | { |
692 | maybe_start_thread (); |
856 | path = AvARRAY (rv)[1]; |
|
|
857 | wdob = AvARRAY (rv)[0]; |
693 | |
858 | |
694 | LOCK (reslock); |
859 | if (SvOK (wdob)) |
695 | req = reqq_shift (&res_queue); |
|
|
696 | |
|
|
697 | if (req) |
|
|
698 | { |
860 | { |
699 | --npending; |
861 | *wd = SvAIO_WD (wdob); |
700 | |
862 | *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
701 | if (!res_queue.size) |
|
|
702 | { |
|
|
703 | /* read any signals sent by the worker threads */ |
|
|
704 | char buf [32]; |
|
|
705 | while (read (respipe [0], buf, 32) == 32) |
|
|
706 | ; |
|
|
707 | } |
|
|
708 | } |
|
|
709 | |
|
|
710 | UNLOCK (reslock); |
|
|
711 | |
|
|
712 | if (!req) |
|
|
713 | break; |
|
|
714 | |
|
|
715 | --nreqs; |
|
|
716 | |
|
|
717 | if (req->type == REQ_GROUP && req->length) |
|
|
718 | { |
|
|
719 | req->fd = 1; /* mark request as delayed */ |
|
|
720 | continue; |
|
|
721 | } |
863 | } |
722 | else |
864 | else |
723 | { |
865 | *wd = EIO_INVALID_WD; |
724 | if (req->type == REQ_READ) |
|
|
725 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
726 | |
|
|
727 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
728 | SvREADONLY_off (req->data); |
|
|
729 | |
|
|
730 | if (req->statdata) |
|
|
731 | { |
|
|
732 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
733 | PL_laststatval = req->result; |
|
|
734 | PL_statcache = *(req->statdata); |
|
|
735 | } |
|
|
736 | |
|
|
737 | req_invoke (req); |
|
|
738 | |
|
|
739 | count++; |
|
|
740 | } |
|
|
741 | |
|
|
742 | req_free (req); |
|
|
743 | |
|
|
744 | if (maxreqs && !--maxreqs) |
|
|
745 | break; |
|
|
746 | |
|
|
747 | if (max_poll_time) |
|
|
748 | { |
|
|
749 | gettimeofday (&tv_now, 0); |
|
|
750 | |
|
|
751 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
752 | break; |
|
|
753 | } |
|
|
754 | } |
866 | } |
|
|
867 | else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) |
|
|
868 | { |
|
|
869 | *wd = SvIVX (rv); |
|
|
870 | *wdsv = SvREFCNT_inc_NN (rv); |
|
|
871 | *ptr = "."; |
|
|
872 | return; /* path set to "." */ |
|
|
873 | } |
|
|
874 | else |
|
|
875 | croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); |
|
|
876 | } |
755 | |
877 | |
756 | if (nreqs <= max_outstanding) |
878 | *pathsv = newSVsv (path); |
|
|
879 | *ptr = SvPVbyte_nolen (*pathsv); |
|
|
880 | } |
|
|
881 | |
|
|
882 | static void ecb_noinline |
|
|
883 | req_set_path1 (aio_req req, SV *path) |
|
|
884 | { |
|
|
885 | req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
|
|
886 | } |
|
|
887 | |
|
|
888 | static void ecb_noinline |
|
|
889 | req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
|
|
890 | { |
|
|
891 | SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
|
|
892 | |
|
|
893 | switch (SvTYPE (rv)) |
|
|
894 | { |
|
|
895 | case SVt_PVIO: |
|
|
896 | case SVt_PVLV: |
|
|
897 | case SVt_PVGV: |
|
|
898 | req->type = type_fh; |
|
|
899 | req->sv1 = newSVsv (fh_or_path); |
|
|
900 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
757 | break; |
901 | break; |
758 | |
902 | |
759 | poll_wait (); |
903 | default: |
760 | |
904 | req->type = type_path; |
761 | ++maxreqs; |
905 | req_set_path1 (req, fh_or_path); |
|
|
906 | break; |
762 | } |
907 | } |
763 | |
|
|
764 | return count; |
|
|
765 | } |
908 | } |
766 | |
909 | |
767 | static void create_pipe () |
910 | XS(boot_IO__AIO) ecb_cold; |
768 | { |
|
|
769 | if (pipe (respipe)) |
|
|
770 | croak ("unable to initialize result pipe"); |
|
|
771 | |
911 | |
772 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
773 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
774 | |
|
|
775 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
776 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
777 | } |
|
|
778 | |
|
|
779 | /*****************************************************************************/ |
|
|
780 | /* work around various missing functions */ |
|
|
781 | |
|
|
782 | #if !HAVE_PREADWRITE |
|
|
783 | # define pread aio_pread |
|
|
784 | # define pwrite aio_pwrite |
|
|
785 | |
|
|
786 | /* |
|
|
787 | * make our pread/pwrite safe against themselves, but not against |
|
|
788 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
789 | * but that's your problem, not mine. |
|
|
790 | */ |
|
|
791 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
|
|
792 | |
|
|
793 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
794 | { |
|
|
795 | ssize_t res; |
|
|
796 | off_t ooffset; |
|
|
797 | |
|
|
798 | LOCK (preadwritelock); |
|
|
799 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
800 | lseek (fd, offset, SEEK_SET); |
|
|
801 | res = read (fd, buf, count); |
|
|
802 | lseek (fd, ooffset, SEEK_SET); |
|
|
803 | UNLOCK (preadwritelock); |
|
|
804 | |
|
|
805 | return res; |
|
|
806 | } |
|
|
807 | |
|
|
808 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
809 | { |
|
|
810 | ssize_t res; |
|
|
811 | off_t ooffset; |
|
|
812 | |
|
|
813 | LOCK (preadwritelock); |
|
|
814 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
815 | lseek (fd, offset, SEEK_SET); |
|
|
816 | res = write (fd, buf, count); |
|
|
817 | lseek (fd, offset, SEEK_SET); |
|
|
818 | UNLOCK (preadwritelock); |
|
|
819 | |
|
|
820 | return res; |
|
|
821 | } |
|
|
822 | #endif |
|
|
823 | |
|
|
824 | #if !HAVE_FDATASYNC |
|
|
825 | # define fdatasync fsync |
|
|
826 | #endif |
|
|
827 | |
|
|
828 | #if !HAVE_READAHEAD |
|
|
829 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
|
|
830 | |
|
|
831 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
|
|
832 | { |
|
|
833 | dBUF; |
|
|
834 | |
|
|
835 | while (count > 0) |
|
|
836 | { |
|
|
837 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
|
|
838 | |
|
|
839 | pread (fd, aio_buf, len, offset); |
|
|
840 | offset += len; |
|
|
841 | count -= len; |
|
|
842 | } |
|
|
843 | |
|
|
844 | errno = 0; |
|
|
845 | } |
|
|
846 | |
|
|
847 | #endif |
|
|
848 | |
|
|
849 | #if !HAVE_READDIR_R |
|
|
850 | # define readdir_r aio_readdir_r |
|
|
851 | |
|
|
852 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
853 | |
|
|
854 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
855 | { |
|
|
856 | struct dirent *e; |
|
|
857 | int errorno; |
|
|
858 | |
|
|
859 | LOCK (readdirlock); |
|
|
860 | |
|
|
861 | e = readdir (dirp); |
|
|
862 | errorno = errno; |
|
|
863 | |
|
|
864 | if (e) |
|
|
865 | { |
|
|
866 | *res = ent; |
|
|
867 | strcpy (ent->d_name, e->d_name); |
|
|
868 | } |
|
|
869 | else |
|
|
870 | *res = 0; |
|
|
871 | |
|
|
872 | UNLOCK (readdirlock); |
|
|
873 | |
|
|
874 | errno = errorno; |
|
|
875 | return e ? 0 : -1; |
|
|
876 | } |
|
|
877 | #endif |
|
|
878 | |
|
|
879 | /* sendfile always needs emulation */ |
|
|
880 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
|
|
881 | { |
|
|
882 | ssize_t res; |
|
|
883 | |
|
|
884 | if (!count) |
|
|
885 | return 0; |
|
|
886 | |
|
|
887 | #if HAVE_SENDFILE |
|
|
888 | # if __linux |
|
|
889 | res = sendfile (ofd, ifd, &offset, count); |
|
|
890 | |
|
|
891 | # elif __freebsd |
|
|
892 | /* |
|
|
893 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
894 | * wasted on making it similar to other I/O functions. |
|
|
895 | */ |
|
|
896 | { |
|
|
897 | off_t sbytes; |
|
|
898 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
899 | |
|
|
900 | if (res < 0 && sbytes) |
|
|
901 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
|
|
902 | res = sbytes; |
|
|
903 | } |
|
|
904 | |
|
|
905 | # elif __hpux |
|
|
906 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
907 | |
|
|
908 | # elif __solaris |
|
|
909 | { |
|
|
910 | struct sendfilevec vec; |
|
|
911 | size_t sbytes; |
|
|
912 | |
|
|
913 | vec.sfv_fd = ifd; |
|
|
914 | vec.sfv_flag = 0; |
|
|
915 | vec.sfv_off = offset; |
|
|
916 | vec.sfv_len = count; |
|
|
917 | |
|
|
918 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
919 | |
|
|
920 | if (res < 0 && sbytes) |
|
|
921 | res = sbytes; |
|
|
922 | } |
|
|
923 | |
|
|
924 | # endif |
|
|
925 | #else |
|
|
926 | res = -1; |
|
|
927 | errno = ENOSYS; |
|
|
928 | #endif |
|
|
929 | |
|
|
930 | if (res < 0 |
|
|
931 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
932 | #if __solaris |
|
|
933 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
934 | #endif |
|
|
935 | ) |
|
|
936 | ) |
|
|
937 | { |
|
|
938 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
939 | dBUF; |
|
|
940 | |
|
|
941 | res = 0; |
|
|
942 | |
|
|
943 | while (count) |
|
|
944 | { |
|
|
945 | ssize_t cnt; |
|
|
946 | |
|
|
947 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
|
|
948 | |
|
|
949 | if (cnt <= 0) |
|
|
950 | { |
|
|
951 | if (cnt && !res) res = -1; |
|
|
952 | break; |
|
|
953 | } |
|
|
954 | |
|
|
955 | cnt = write (ofd, aio_buf, cnt); |
|
|
956 | |
|
|
957 | if (cnt <= 0) |
|
|
958 | { |
|
|
959 | if (cnt && !res) res = -1; |
|
|
960 | break; |
|
|
961 | } |
|
|
962 | |
|
|
963 | offset += cnt; |
|
|
964 | res += cnt; |
|
|
965 | count -= cnt; |
|
|
966 | } |
|
|
967 | } |
|
|
968 | |
|
|
969 | return res; |
|
|
970 | } |
|
|
971 | |
|
|
972 | /* read a full directory */ |
|
|
973 | static void scandir_ (aio_req req, worker *self) |
|
|
974 | { |
|
|
975 | DIR *dirp; |
|
|
976 | union |
|
|
977 | { |
|
|
978 | struct dirent d; |
|
|
979 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
980 | } *u; |
|
|
981 | struct dirent *entp; |
|
|
982 | char *name, *names; |
|
|
983 | int memlen = 4096; |
|
|
984 | int memofs = 0; |
|
|
985 | int res = 0; |
|
|
986 | int errorno; |
|
|
987 | |
|
|
988 | LOCK (wrklock); |
|
|
989 | self->dirp = dirp = opendir (req->dataptr); |
|
|
990 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
991 | req->data2ptr = names = malloc (memlen); |
|
|
992 | UNLOCK (wrklock); |
|
|
993 | |
|
|
994 | if (dirp && u && names) |
|
|
995 | for (;;) |
|
|
996 | { |
|
|
997 | errno = 0; |
|
|
998 | readdir_r (dirp, &u->d, &entp); |
|
|
999 | |
|
|
1000 | if (!entp) |
|
|
1001 | break; |
|
|
1002 | |
|
|
1003 | name = entp->d_name; |
|
|
1004 | |
|
|
1005 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
1006 | { |
|
|
1007 | int len = strlen (name) + 1; |
|
|
1008 | |
|
|
1009 | res++; |
|
|
1010 | |
|
|
1011 | while (memofs + len > memlen) |
|
|
1012 | { |
|
|
1013 | memlen *= 2; |
|
|
1014 | LOCK (wrklock); |
|
|
1015 | req->data2ptr = names = realloc (names, memlen); |
|
|
1016 | UNLOCK (wrklock); |
|
|
1017 | |
|
|
1018 | if (!names) |
|
|
1019 | break; |
|
|
1020 | } |
|
|
1021 | |
|
|
1022 | memcpy (names + memofs, name, len); |
|
|
1023 | memofs += len; |
|
|
1024 | } |
|
|
1025 | } |
|
|
1026 | |
|
|
1027 | if (errno) |
|
|
1028 | res = -1; |
|
|
1029 | |
|
|
1030 | req->result = res; |
|
|
1031 | } |
|
|
1032 | |
|
|
1033 | /*****************************************************************************/ |
|
|
1034 | |
|
|
1035 | static void *aio_proc (void *thr_arg) |
|
|
1036 | { |
|
|
1037 | aio_req req; |
|
|
1038 | struct timespec ts; |
|
|
1039 | worker *self = (worker *)thr_arg; |
|
|
1040 | |
|
|
1041 | /* try to distribute timeouts somewhat evenly */ |
|
|
1042 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
1043 | * (1000000000UL / 1024UL); |
|
|
1044 | |
|
|
1045 | for (;;) |
|
|
1046 | { |
|
|
1047 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1048 | |
|
|
1049 | LOCK (reqlock); |
|
|
1050 | |
|
|
1051 | for (;;) |
|
|
1052 | { |
|
|
1053 | self->req = req = reqq_shift (&req_queue); |
|
|
1054 | |
|
|
1055 | if (req) |
|
|
1056 | break; |
|
|
1057 | |
|
|
1058 | ++idle; |
|
|
1059 | |
|
|
1060 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
|
|
1061 | == ETIMEDOUT) |
|
|
1062 | { |
|
|
1063 | if (idle > max_idle) |
|
|
1064 | { |
|
|
1065 | --idle; |
|
|
1066 | UNLOCK (reqlock); |
|
|
1067 | LOCK (wrklock); |
|
|
1068 | --started; |
|
|
1069 | UNLOCK (wrklock); |
|
|
1070 | goto quit; |
|
|
1071 | } |
|
|
1072 | |
|
|
1073 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1074 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
1075 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1076 | } |
|
|
1077 | |
|
|
1078 | --idle; |
|
|
1079 | } |
|
|
1080 | |
|
|
1081 | --nready; |
|
|
1082 | |
|
|
1083 | UNLOCK (reqlock); |
|
|
1084 | |
|
|
1085 | errno = 0; /* strictly unnecessary */ |
|
|
1086 | |
|
|
1087 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
1088 | switch (req->type) |
|
|
1089 | { |
|
|
1090 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
1091 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
1092 | |
|
|
1093 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
1094 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
|
|
1095 | |
|
|
1096 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
1097 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
1098 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
1099 | |
|
|
1100 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
1101 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
1102 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
1103 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
1104 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
|
|
1105 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
|
|
1106 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
1107 | case REQ_MKNOD: req->result = mknod (req->data2ptr, req->mode, (dev_t)req->offset); break; |
|
|
1108 | |
|
|
1109 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
1110 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
1111 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
1112 | |
|
|
1113 | case REQ_BUSY: |
|
|
1114 | { |
|
|
1115 | struct timeval tv; |
|
|
1116 | |
|
|
1117 | tv.tv_sec = req->fd; |
|
|
1118 | tv.tv_usec = req->fd2; |
|
|
1119 | |
|
|
1120 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1121 | } |
|
|
1122 | |
|
|
1123 | case REQ_GROUP: |
|
|
1124 | case REQ_NOP: |
|
|
1125 | break; |
|
|
1126 | |
|
|
1127 | case REQ_QUIT: |
|
|
1128 | goto quit; |
|
|
1129 | |
|
|
1130 | default: |
|
|
1131 | req->result = ENOSYS; |
|
|
1132 | break; |
|
|
1133 | } |
|
|
1134 | |
|
|
1135 | req->errorno = errno; |
|
|
1136 | |
|
|
1137 | LOCK (reslock); |
|
|
1138 | |
|
|
1139 | ++npending; |
|
|
1140 | |
|
|
1141 | if (!reqq_push (&res_queue, req)) |
|
|
1142 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
1143 | write (respipe [1], &respipe, 1); |
|
|
1144 | |
|
|
1145 | self->req = 0; |
|
|
1146 | worker_clear (self); |
|
|
1147 | |
|
|
1148 | UNLOCK (reslock); |
|
|
1149 | } |
|
|
1150 | |
|
|
1151 | quit: |
|
|
1152 | LOCK (wrklock); |
|
|
1153 | worker_free (self); |
|
|
1154 | UNLOCK (wrklock); |
|
|
1155 | |
|
|
1156 | return 0; |
|
|
1157 | } |
|
|
1158 | |
|
|
1159 | /*****************************************************************************/ |
|
|
1160 | |
|
|
1161 | static void atfork_prepare (void) |
|
|
1162 | { |
|
|
1163 | LOCK (wrklock); |
|
|
1164 | LOCK (reqlock); |
|
|
1165 | LOCK (reslock); |
|
|
1166 | #if !HAVE_PREADWRITE |
|
|
1167 | LOCK (preadwritelock); |
|
|
1168 | #endif |
|
|
1169 | #if !HAVE_READDIR_R |
|
|
1170 | LOCK (readdirlock); |
|
|
1171 | #endif |
|
|
1172 | } |
|
|
1173 | |
|
|
1174 | static void atfork_parent (void) |
|
|
1175 | { |
|
|
1176 | #if !HAVE_READDIR_R |
|
|
1177 | UNLOCK (readdirlock); |
|
|
1178 | #endif |
|
|
1179 | #if !HAVE_PREADWRITE |
|
|
1180 | UNLOCK (preadwritelock); |
|
|
1181 | #endif |
|
|
1182 | UNLOCK (reslock); |
|
|
1183 | UNLOCK (reqlock); |
|
|
1184 | UNLOCK (wrklock); |
|
|
1185 | } |
|
|
1186 | |
|
|
1187 | static void atfork_child (void) |
|
|
1188 | { |
|
|
1189 | aio_req prv; |
|
|
1190 | |
|
|
1191 | while (prv = reqq_shift (&req_queue)) |
|
|
1192 | req_free (prv); |
|
|
1193 | |
|
|
1194 | while (prv = reqq_shift (&res_queue)) |
|
|
1195 | req_free (prv); |
|
|
1196 | |
|
|
1197 | while (wrk_first.next != &wrk_first) |
|
|
1198 | { |
|
|
1199 | worker *wrk = wrk_first.next; |
|
|
1200 | |
|
|
1201 | if (wrk->req) |
|
|
1202 | req_free (wrk->req); |
|
|
1203 | |
|
|
1204 | worker_clear (wrk); |
|
|
1205 | worker_free (wrk); |
|
|
1206 | } |
|
|
1207 | |
|
|
1208 | started = 0; |
|
|
1209 | idle = 0; |
|
|
1210 | nreqs = 0; |
|
|
1211 | nready = 0; |
|
|
1212 | npending = 0; |
|
|
1213 | |
|
|
1214 | close (respipe [0]); |
|
|
1215 | close (respipe [1]); |
|
|
1216 | create_pipe (); |
|
|
1217 | |
|
|
1218 | atfork_parent (); |
|
|
1219 | } |
|
|
1220 | |
|
|
1221 | #define dREQ \ |
|
|
1222 | aio_req req; \ |
|
|
1223 | int req_pri = next_pri; \ |
|
|
1224 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
|
|
1225 | \ |
|
|
1226 | if (SvOK (callback) && !SvROK (callback)) \ |
|
|
1227 | croak ("callback must be undef or of reference type"); \ |
|
|
1228 | \ |
|
|
1229 | Newz (0, req, 1, aio_cb); \ |
|
|
1230 | if (!req) \ |
|
|
1231 | croak ("out of memory during aio_req allocation"); \ |
|
|
1232 | \ |
|
|
1233 | req->callback = newSVsv (callback); \ |
|
|
1234 | req->pri = req_pri |
|
|
1235 | |
|
|
1236 | #define REQ_SEND \ |
|
|
1237 | req_send (req); \ |
|
|
1238 | \ |
|
|
1239 | if (GIMME_V != G_VOID) \ |
|
|
1240 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
|
|
1241 | |
|
|
1242 | MODULE = IO::AIO PACKAGE = IO::AIO |
912 | MODULE = IO::AIO PACKAGE = IO::AIO |
1243 | |
913 | |
1244 | PROTOTYPES: ENABLE |
914 | PROTOTYPES: ENABLE |
1245 | |
915 | |
1246 | BOOT: |
916 | BOOT: |
1247 | { |
917 | { |
|
|
918 | static const struct { |
|
|
919 | const char *name; |
|
|
920 | IV iv; |
|
|
921 | } *civ, const_iv[] = { |
|
|
922 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
923 | # define const_iv(name) { # name, (IV) name }, |
|
|
924 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
|
|
925 | const_iv (EXDEV) |
|
|
926 | const_iv (ENOSYS) |
|
|
927 | const_iv (O_RDONLY) |
|
|
928 | const_iv (O_WRONLY) |
|
|
929 | const_iv (O_RDWR) |
|
|
930 | const_iv (O_CREAT) |
|
|
931 | const_iv (O_TRUNC) |
|
|
932 | const_iv (O_EXCL) |
|
|
933 | const_iv (O_APPEND) |
|
|
934 | |
|
|
935 | const_iv (O_ASYNC) |
|
|
936 | const_iv (O_DIRECT) |
|
|
937 | const_iv (O_NOATIME) |
|
|
938 | |
|
|
939 | const_iv (O_CLOEXEC) |
|
|
940 | const_iv (O_NOCTTY) |
|
|
941 | const_iv (O_NOFOLLOW) |
|
|
942 | const_iv (O_NONBLOCK) |
|
|
943 | const_iv (O_EXEC) |
|
|
944 | const_iv (O_SEARCH) |
|
|
945 | const_iv (O_DIRECTORY) |
|
|
946 | const_iv (O_DSYNC) |
|
|
947 | const_iv (O_RSYNC) |
|
|
948 | const_iv (O_SYNC) |
|
|
949 | const_iv (O_TTY_INIT) |
|
|
950 | |
|
|
951 | const_iv (S_IFIFO) |
|
|
952 | const_iv (S_IFCHR) |
|
|
953 | const_iv (S_IFBLK) |
|
|
954 | const_iv (S_IFLNK) |
|
|
955 | const_iv (S_IFREG) |
|
|
956 | const_iv (S_IFDIR) |
|
|
957 | const_iv (S_IFWHT) |
|
|
958 | const_iv (S_IFSOCK) |
|
|
959 | const_iv (S_IFMT) |
|
|
960 | |
|
|
961 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
962 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
963 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
964 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
965 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
966 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
967 | |
|
|
968 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
969 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
970 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
971 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
972 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
973 | |
|
|
974 | const_iv (ST_RDONLY) |
|
|
975 | const_iv (ST_NOSUID) |
|
|
976 | const_iv (ST_NODEV) |
|
|
977 | const_iv (ST_NOEXEC) |
|
|
978 | const_iv (ST_SYNCHRONOUS) |
|
|
979 | const_iv (ST_MANDLOCK) |
|
|
980 | const_iv (ST_WRITE) |
|
|
981 | const_iv (ST_APPEND) |
|
|
982 | const_iv (ST_IMMUTABLE) |
|
|
983 | const_iv (ST_NOATIME) |
|
|
984 | const_iv (ST_NODIRATIME) |
|
|
985 | const_iv (ST_RELATIME) |
|
|
986 | |
|
|
987 | const_iv (PROT_NONE) |
|
|
988 | const_iv (PROT_EXEC) |
|
|
989 | const_iv (PROT_READ) |
|
|
990 | const_iv (PROT_WRITE) |
|
|
991 | |
|
|
992 | /*const_iv (MAP_FIXED)*/ |
|
|
993 | const_iv (MAP_PRIVATE) |
|
|
994 | const_iv (MAP_SHARED) |
|
|
995 | const_iv (MAP_ANONYMOUS) |
|
|
996 | |
|
|
997 | /* linuxish */ |
|
|
998 | const_iv (MAP_HUGETLB) |
|
|
999 | const_iv (MAP_LOCKED) |
|
|
1000 | const_iv (MAP_NORESERVE) |
|
|
1001 | const_iv (MAP_POPULATE) |
|
|
1002 | const_iv (MAP_NONBLOCK) |
|
|
1003 | |
|
|
1004 | const_eio (MCL_FUTURE) |
|
|
1005 | const_eio (MCL_CURRENT) |
|
|
1006 | |
|
|
1007 | const_eio (MS_ASYNC) |
|
|
1008 | const_eio (MS_INVALIDATE) |
|
|
1009 | const_eio (MS_SYNC) |
|
|
1010 | |
|
|
1011 | const_eio (MT_MODIFY) |
|
|
1012 | |
|
|
1013 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
1014 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
1015 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
1016 | |
|
|
1017 | const_eio (FALLOC_FL_KEEP_SIZE) |
|
|
1018 | |
|
|
1019 | const_eio (READDIR_DENTS) |
|
|
1020 | const_eio (READDIR_DIRS_FIRST) |
|
|
1021 | const_eio (READDIR_STAT_ORDER) |
|
|
1022 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
1023 | |
|
|
1024 | const_eio (DT_UNKNOWN) |
|
|
1025 | const_eio (DT_FIFO) |
|
|
1026 | const_eio (DT_CHR) |
|
|
1027 | const_eio (DT_DIR) |
|
|
1028 | const_eio (DT_BLK) |
|
|
1029 | const_eio (DT_REG) |
|
|
1030 | const_eio (DT_LNK) |
|
|
1031 | const_eio (DT_SOCK) |
|
|
1032 | const_eio (DT_WHT) |
|
|
1033 | }; |
|
|
1034 | |
1248 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1035 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
1036 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
1037 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
|
|
1038 | aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
1249 | |
1039 | |
1250 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1040 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
1251 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1041 | newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
1252 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1253 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1254 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1255 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1256 | |
1042 | |
1257 | create_pipe (); |
1043 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
1258 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
|
|
1259 | } |
|
|
1260 | |
1044 | |
|
|
1045 | reinit (); |
|
|
1046 | } |
|
|
1047 | |
1261 | void |
1048 | void |
|
|
1049 | reinit () |
|
|
1050 | PROTOTYPE: |
|
|
1051 | |
|
|
1052 | void |
1262 | max_poll_reqs (int nreqs) |
1053 | max_poll_reqs (unsigned int nreqs) |
1263 | PROTOTYPE: $ |
1054 | PROTOTYPE: $ |
1264 | CODE: |
1055 | CODE: |
1265 | max_poll_reqs = nreqs; |
1056 | eio_set_max_poll_reqs (nreqs); |
1266 | |
1057 | |
1267 | void |
1058 | void |
1268 | max_poll_time (double nseconds) |
1059 | max_poll_time (double nseconds) |
1269 | PROTOTYPE: $ |
1060 | PROTOTYPE: $ |
1270 | CODE: |
1061 | CODE: |
1271 | max_poll_time = nseconds * AIO_TICKS; |
1062 | eio_set_max_poll_time (nseconds); |
1272 | |
1063 | |
1273 | void |
1064 | void |
1274 | min_parallel (int nthreads) |
1065 | min_parallel (unsigned int nthreads) |
1275 | PROTOTYPE: $ |
|
|
1276 | |
|
|
1277 | void |
|
|
1278 | max_parallel (int nthreads) |
|
|
1279 | PROTOTYPE: $ |
|
|
1280 | |
|
|
1281 | void |
|
|
1282 | max_idle (int nthreads) |
|
|
1283 | PROTOTYPE: $ |
1066 | PROTOTYPE: $ |
1284 | CODE: |
1067 | CODE: |
1285 | set_max_idle (nthreads); |
1068 | eio_set_min_parallel (nthreads); |
1286 | |
1069 | |
1287 | int |
1070 | void |
1288 | max_outstanding (int maxreqs) |
1071 | max_parallel (unsigned int nthreads) |
1289 | PROTOTYPE: $ |
1072 | PROTOTYPE: $ |
1290 | CODE: |
1073 | CODE: |
1291 | RETVAL = max_outstanding; |
1074 | eio_set_max_parallel (nthreads); |
|
|
1075 | |
|
|
1076 | void |
|
|
1077 | max_idle (unsigned int nthreads) |
|
|
1078 | PROTOTYPE: $ |
|
|
1079 | CODE: |
|
|
1080 | eio_set_max_idle (nthreads); |
|
|
1081 | |
|
|
1082 | void |
|
|
1083 | idle_timeout (unsigned int seconds) |
|
|
1084 | PROTOTYPE: $ |
|
|
1085 | CODE: |
|
|
1086 | eio_set_idle_timeout (seconds); |
|
|
1087 | |
|
|
1088 | void |
|
|
1089 | max_outstanding (unsigned int maxreqs) |
|
|
1090 | PROTOTYPE: $ |
|
|
1091 | CODE: |
1292 | max_outstanding = maxreqs; |
1092 | max_outstanding = maxreqs; |
1293 | OUTPUT: |
|
|
1294 | RETVAL |
|
|
1295 | |
1093 | |
1296 | void |
1094 | void |
1297 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1095 | aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) |
1298 | SV * pathname |
|
|
1299 | int flags |
|
|
1300 | int mode |
|
|
1301 | SV * callback |
|
|
1302 | PROTOTYPE: $$$;$ |
|
|
1303 | PPCODE: |
1096 | PPCODE: |
1304 | { |
1097 | { |
1305 | dREQ; |
1098 | dREQ; |
1306 | |
1099 | |
1307 | req->type = REQ_OPEN; |
1100 | req->type = EIO_WD_OPEN; |
1308 | req->data = newSVsv (pathname); |
1101 | req_set_path1 (req, pathname); |
1309 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1310 | req->fd = flags; |
|
|
1311 | req->mode = mode; |
|
|
1312 | |
1102 | |
1313 | REQ_SEND; |
1103 | REQ_SEND; |
1314 | } |
1104 | } |
1315 | |
1105 | |
1316 | void |
1106 | void |
|
|
1107 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
|
|
1108 | PPCODE: |
|
|
1109 | { |
|
|
1110 | dREQ; |
|
|
1111 | |
|
|
1112 | req->type = EIO_OPEN; |
|
|
1113 | req_set_path1 (req, pathname); |
|
|
1114 | req->int1 = flags; |
|
|
1115 | req->int2 = mode; |
|
|
1116 | |
|
|
1117 | REQ_SEND; |
|
|
1118 | } |
|
|
1119 | |
|
|
1120 | void |
1317 | aio_close (fh,callback=&PL_sv_undef) |
1121 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1318 | SV * fh |
|
|
1319 | SV * callback |
|
|
1320 | PROTOTYPE: $;$ |
|
|
1321 | ALIAS: |
1122 | ALIAS: |
1322 | aio_close = REQ_CLOSE |
|
|
1323 | aio_fsync = REQ_FSYNC |
1123 | aio_fsync = EIO_FSYNC |
1324 | aio_fdatasync = REQ_FDATASYNC |
1124 | aio_fdatasync = EIO_FDATASYNC |
|
|
1125 | aio_syncfs = EIO_SYNCFS |
1325 | PPCODE: |
1126 | PPCODE: |
1326 | { |
1127 | { |
|
|
1128 | int fd = s_fileno_croak (fh, 0); |
1327 | dREQ; |
1129 | dREQ; |
1328 | |
1130 | |
1329 | req->type = ix; |
1131 | req->type = ix; |
1330 | req->fh = newSVsv (fh); |
1132 | req->sv1 = newSVsv (fh); |
1331 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1133 | req->int1 = fd; |
1332 | |
1134 | |
1333 | REQ_SEND (req); |
1135 | REQ_SEND (req); |
1334 | } |
1136 | } |
1335 | |
1137 | |
1336 | void |
1138 | void |
|
|
1139 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
|
|
1140 | PPCODE: |
|
|
1141 | { |
|
|
1142 | int fd = s_fileno_croak (fh, 0); |
|
|
1143 | dREQ; |
|
|
1144 | |
|
|
1145 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
1146 | req->sv1 = newSVsv (fh); |
|
|
1147 | req->int1 = fd; |
|
|
1148 | req->offs = offset; |
|
|
1149 | req->size = nbytes; |
|
|
1150 | req->int2 = flags; |
|
|
1151 | |
|
|
1152 | REQ_SEND (req); |
|
|
1153 | } |
|
|
1154 | |
|
|
1155 | void |
|
|
1156 | aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) |
|
|
1157 | PPCODE: |
|
|
1158 | { |
|
|
1159 | int fd = s_fileno_croak (fh, 0); |
|
|
1160 | dREQ; |
|
|
1161 | |
|
|
1162 | req->type = EIO_FALLOCATE; |
|
|
1163 | req->sv1 = newSVsv (fh); |
|
|
1164 | req->int1 = fd; |
|
|
1165 | req->int2 = mode; |
|
|
1166 | req->offs = offset; |
|
|
1167 | req->size = len; |
|
|
1168 | |
|
|
1169 | REQ_SEND (req); |
|
|
1170 | } |
|
|
1171 | |
|
|
1172 | void |
|
|
1173 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
1174 | PPCODE: |
|
|
1175 | { |
|
|
1176 | static int close_fd = -1; /* dummy fd to close fds via dup2 */ |
|
|
1177 | int fd = s_fileno_croak (fh, 0); |
|
|
1178 | dREQ; |
|
|
1179 | |
|
|
1180 | if (expect_false (close_fd < 0)) |
|
|
1181 | { |
|
|
1182 | int pipefd [2]; |
|
|
1183 | |
|
|
1184 | if ( |
|
|
1185 | #ifdef _WIN32 |
|
|
1186 | _pipe (pipefd, 1, _O_BINARY) < 0 |
|
|
1187 | #else |
|
|
1188 | pipe (pipefd) < 0 |
|
|
1189 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
|
|
1190 | #endif |
|
|
1191 | || close (pipefd [1]) < 0 |
|
|
1192 | ) |
|
|
1193 | abort (); /*D*/ |
|
|
1194 | |
|
|
1195 | close_fd = pipefd [0]; |
|
|
1196 | } |
|
|
1197 | |
|
|
1198 | req->type = EIO_DUP2; |
|
|
1199 | req->int1 = close_fd; |
|
|
1200 | req->sv2 = newSVsv (fh); |
|
|
1201 | req->int2 = fd; |
|
|
1202 | |
|
|
1203 | REQ_SEND (req); |
|
|
1204 | } |
|
|
1205 | |
|
|
1206 | void |
1337 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1207 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1338 | SV * fh |
|
|
1339 | UV offset |
|
|
1340 | UV length |
|
|
1341 | SV * data |
|
|
1342 | UV dataoffset |
|
|
1343 | SV * callback |
|
|
1344 | ALIAS: |
1208 | ALIAS: |
1345 | aio_read = REQ_READ |
1209 | aio_read = EIO_READ |
1346 | aio_write = REQ_WRITE |
1210 | aio_write = EIO_WRITE |
1347 | PROTOTYPE: $$$$$;$ |
|
|
1348 | PPCODE: |
1211 | PPCODE: |
1349 | { |
1212 | { |
1350 | aio_req req; |
|
|
1351 | STRLEN svlen; |
1213 | STRLEN svlen; |
|
|
1214 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1352 | char *svptr = SvPVbyte (data, svlen); |
1215 | char *svptr = SvPVbyte (data, svlen); |
1353 | |
1216 | UV len = SvUV (length); |
1354 | SvUPGRADE (data, SVt_PV); |
|
|
1355 | SvPOK_on (data); |
|
|
1356 | |
1217 | |
1357 | if (dataoffset < 0) |
1218 | if (dataoffset < 0) |
1358 | dataoffset += svlen; |
1219 | dataoffset += svlen; |
1359 | |
1220 | |
1360 | if (dataoffset < 0 || dataoffset > svlen) |
1221 | if (dataoffset < 0 || dataoffset > svlen) |
1361 | croak ("data offset outside of string"); |
1222 | croak ("dataoffset outside of data scalar"); |
1362 | |
1223 | |
1363 | if (ix == REQ_WRITE) |
1224 | if (ix == EIO_WRITE) |
1364 | { |
1225 | { |
1365 | /* write: check length and adjust. */ |
1226 | /* write: check length and adjust. */ |
1366 | if (length < 0 || length + dataoffset > svlen) |
1227 | if (!SvOK (length) || len + dataoffset > svlen) |
1367 | length = svlen - dataoffset; |
1228 | len = svlen - dataoffset; |
1368 | } |
1229 | } |
1369 | else |
1230 | else |
1370 | { |
1231 | { |
1371 | /* read: grow scalar as necessary */ |
1232 | /* read: check type and grow scalar as necessary */ |
|
|
1233 | SvUPGRADE (data, SVt_PV); |
1372 | svptr = SvGROW (data, length + dataoffset); |
1234 | svptr = SvGROW (data, len + dataoffset + 1); |
1373 | } |
1235 | } |
1374 | |
|
|
1375 | if (length < 0) |
|
|
1376 | croak ("length must not be negative"); |
|
|
1377 | |
1236 | |
1378 | { |
1237 | { |
1379 | dREQ; |
1238 | dREQ; |
1380 | |
1239 | |
1381 | req->type = ix; |
1240 | req->type = ix; |
1382 | req->fh = newSVsv (fh); |
1241 | req->sv1 = newSVsv (fh); |
1383 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1242 | req->int1 = fd; |
1384 | : IoOFP (sv_2io (fh))); |
1243 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1385 | req->offset = offset; |
1244 | req->size = len; |
1386 | req->length = length; |
|
|
1387 | req->data = SvREFCNT_inc (data); |
1245 | req->sv2 = SvREFCNT_inc (data); |
1388 | req->dataptr = (char *)svptr + dataoffset; |
1246 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
1247 | req->stroffset = dataoffset; |
1389 | |
1248 | |
1390 | if (!SvREADONLY (data)) |
1249 | if (!SvREADONLY (data)) |
1391 | { |
1250 | { |
1392 | SvREADONLY_on (data); |
1251 | SvREADONLY_on (data); |
1393 | req->data2ptr = (void *)data; |
1252 | req->flags |= FLAG_SV2_RO_OFF; |
1394 | } |
1253 | } |
1395 | |
1254 | |
1396 | REQ_SEND; |
1255 | REQ_SEND; |
1397 | } |
1256 | } |
1398 | } |
1257 | } |
1399 | |
1258 | |
1400 | void |
1259 | void |
1401 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1260 | aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1402 | SV * out_fh |
1261 | ALIAS: |
1403 | SV * in_fh |
1262 | aio_readlink = EIO_READLINK |
1404 | UV in_offset |
1263 | aio_realpath = EIO_REALPATH |
1405 | UV length |
|
|
1406 | SV * callback |
|
|
1407 | PROTOTYPE: $$$$;$ |
|
|
1408 | PPCODE: |
1264 | PPCODE: |
1409 | { |
1265 | { |
|
|
1266 | dREQ; |
|
|
1267 | |
|
|
1268 | req->type = ix; |
|
|
1269 | req_set_path1 (req, pathname); |
|
|
1270 | |
|
|
1271 | REQ_SEND; |
|
|
1272 | } |
|
|
1273 | |
|
|
1274 | void |
|
|
1275 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
|
|
1276 | PPCODE: |
|
|
1277 | { |
|
|
1278 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
1279 | int ofd = s_fileno_croak (out_fh, 1); |
1410 | dREQ; |
1280 | dREQ; |
1411 | |
1281 | |
1412 | req->type = REQ_SENDFILE; |
1282 | req->type = EIO_SENDFILE; |
1413 | req->fh = newSVsv (out_fh); |
1283 | req->sv1 = newSVsv (out_fh); |
1414 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1284 | req->int1 = ofd; |
1415 | req->fh2 = newSVsv (in_fh); |
1285 | req->sv2 = newSVsv (in_fh); |
1416 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1286 | req->int2 = ifd; |
1417 | req->offset = in_offset; |
1287 | req->offs = in_offset; |
1418 | req->length = length; |
1288 | req->size = length; |
1419 | |
1289 | |
1420 | REQ_SEND; |
1290 | REQ_SEND; |
1421 | } |
1291 | } |
1422 | |
1292 | |
1423 | void |
1293 | void |
1424 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
1294 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1425 | SV * fh |
|
|
1426 | UV offset |
|
|
1427 | IV length |
|
|
1428 | SV * callback |
|
|
1429 | PROTOTYPE: $$$;$ |
|
|
1430 | PPCODE: |
1295 | PPCODE: |
1431 | { |
1296 | { |
|
|
1297 | int fd = s_fileno_croak (fh, 0); |
1432 | dREQ; |
1298 | dREQ; |
1433 | |
1299 | |
1434 | req->type = REQ_READAHEAD; |
1300 | req->type = EIO_READAHEAD; |
1435 | req->fh = newSVsv (fh); |
1301 | req->sv1 = newSVsv (fh); |
1436 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1302 | req->int1 = fd; |
1437 | req->offset = offset; |
1303 | req->offs = offset; |
1438 | req->length = length; |
1304 | req->size = length; |
1439 | |
1305 | |
1440 | REQ_SEND; |
1306 | REQ_SEND; |
1441 | } |
1307 | } |
1442 | |
1308 | |
1443 | void |
1309 | void |
1444 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1310 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1445 | SV * fh_or_path |
|
|
1446 | SV * callback |
|
|
1447 | ALIAS: |
1311 | ALIAS: |
1448 | aio_stat = REQ_STAT |
1312 | aio_stat = EIO_STAT |
1449 | aio_lstat = REQ_LSTAT |
1313 | aio_lstat = EIO_LSTAT |
|
|
1314 | aio_statvfs = EIO_STATVFS |
1450 | PPCODE: |
1315 | PPCODE: |
1451 | { |
1316 | { |
1452 | dREQ; |
1317 | dREQ; |
1453 | |
1318 | |
1454 | New (0, req->statdata, 1, Stat_t); |
1319 | req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
1455 | if (!req->statdata) |
|
|
1456 | { |
|
|
1457 | req_free (req); |
|
|
1458 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
1459 | } |
|
|
1460 | |
|
|
1461 | if (SvPOK (fh_or_path)) |
|
|
1462 | { |
|
|
1463 | req->type = ix; |
|
|
1464 | req->data = newSVsv (fh_or_path); |
|
|
1465 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1466 | } |
|
|
1467 | else |
|
|
1468 | { |
|
|
1469 | req->type = REQ_FSTAT; |
|
|
1470 | req->fh = newSVsv (fh_or_path); |
|
|
1471 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1472 | } |
|
|
1473 | |
1320 | |
1474 | REQ_SEND; |
1321 | REQ_SEND; |
1475 | } |
1322 | } |
1476 | |
1323 | |
|
|
1324 | UV |
|
|
1325 | major (UV dev) |
|
|
1326 | ALIAS: |
|
|
1327 | minor = 1 |
|
|
1328 | CODE: |
|
|
1329 | RETVAL = ix ? major (dev) : minor (dev); |
|
|
1330 | OUTPUT: |
|
|
1331 | RETVAL |
|
|
1332 | |
|
|
1333 | UV |
|
|
1334 | makedev (UV maj, UV min) |
|
|
1335 | CODE: |
|
|
1336 | RETVAL = makedev (maj, min); |
|
|
1337 | OUTPUT: |
|
|
1338 | RETVAL |
|
|
1339 | |
1477 | void |
1340 | void |
|
|
1341 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
1342 | PPCODE: |
|
|
1343 | { |
|
|
1344 | dREQ; |
|
|
1345 | |
|
|
1346 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1347 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1348 | req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
|
|
1349 | |
|
|
1350 | REQ_SEND; |
|
|
1351 | } |
|
|
1352 | |
|
|
1353 | void |
|
|
1354 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
1355 | PPCODE: |
|
|
1356 | { |
|
|
1357 | dREQ; |
|
|
1358 | |
|
|
1359 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1360 | req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
|
|
1361 | |
|
|
1362 | REQ_SEND; |
|
|
1363 | } |
|
|
1364 | |
|
|
1365 | void |
|
|
1366 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
1367 | PPCODE: |
|
|
1368 | { |
|
|
1369 | dREQ; |
|
|
1370 | |
|
|
1371 | req->int2 = mode; |
|
|
1372 | req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
|
|
1373 | |
|
|
1374 | REQ_SEND; |
|
|
1375 | } |
|
|
1376 | |
|
|
1377 | void |
|
|
1378 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
1379 | PPCODE: |
|
|
1380 | { |
|
|
1381 | dREQ; |
|
|
1382 | |
|
|
1383 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1384 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1385 | req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
|
|
1386 | |
|
|
1387 | REQ_SEND; |
|
|
1388 | } |
|
|
1389 | |
|
|
1390 | void |
|
|
1391 | aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
|
|
1392 | PPCODE: |
|
|
1393 | { |
|
|
1394 | dREQ; |
|
|
1395 | |
|
|
1396 | req->type = EIO_READDIR; |
|
|
1397 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1398 | |
|
|
1399 | if (flags & EIO_READDIR_DENTS) |
|
|
1400 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1401 | |
|
|
1402 | req_set_path1 (req, pathname); |
|
|
1403 | |
|
|
1404 | REQ_SEND; |
|
|
1405 | } |
|
|
1406 | |
|
|
1407 | void |
|
|
1408 | aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
|
|
1409 | PPCODE: |
|
|
1410 | { |
|
|
1411 | dREQ; |
|
|
1412 | |
|
|
1413 | req->type = EIO_MKDIR; |
|
|
1414 | req->int2 = mode; |
|
|
1415 | req_set_path1 (req, pathname); |
|
|
1416 | |
|
|
1417 | REQ_SEND; |
|
|
1418 | } |
|
|
1419 | |
|
|
1420 | void |
1478 | aio_unlink (pathname,callback=&PL_sv_undef) |
1421 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1479 | SV * pathname |
|
|
1480 | SV * callback |
|
|
1481 | ALIAS: |
1422 | ALIAS: |
1482 | aio_unlink = REQ_UNLINK |
1423 | aio_unlink = EIO_UNLINK |
1483 | aio_rmdir = REQ_RMDIR |
1424 | aio_rmdir = EIO_RMDIR |
1484 | aio_readdir = REQ_READDIR |
1425 | aio_readdir = EIO_READDIR |
1485 | PPCODE: |
1426 | PPCODE: |
1486 | { |
1427 | { |
1487 | dREQ; |
1428 | dREQ; |
1488 | |
1429 | |
1489 | req->type = ix; |
1430 | req->type = ix; |
1490 | req->data = newSVsv (pathname); |
1431 | req_set_path1 (req, pathname); |
1491 | req->dataptr = SvPVbyte_nolen (req->data); |
1432 | |
|
|
1433 | REQ_SEND; |
|
|
1434 | } |
|
|
1435 | |
|
|
1436 | void |
|
|
1437 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
|
|
1438 | ALIAS: |
|
|
1439 | aio_link = EIO_LINK |
|
|
1440 | aio_symlink = EIO_SYMLINK |
|
|
1441 | aio_rename = EIO_RENAME |
|
|
1442 | PPCODE: |
|
|
1443 | { |
|
|
1444 | dREQ; |
|
|
1445 | eio_wd wd2 = 0; |
|
|
1446 | |
|
|
1447 | req->type = ix; |
|
|
1448 | req_set_path1 (req, oldpath); |
|
|
1449 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
|
|
1450 | req->int3 = (long)wd2; |
1492 | |
1451 | |
1493 | REQ_SEND; |
1452 | REQ_SEND; |
1494 | } |
1453 | } |
1495 | |
1454 | |
1496 | void |
1455 | void |
1497 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1456 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1498 | SV * oldpath |
|
|
1499 | SV * newpath |
|
|
1500 | SV * callback |
|
|
1501 | ALIAS: |
|
|
1502 | aio_link = REQ_LINK |
|
|
1503 | aio_symlink = REQ_SYMLINK |
|
|
1504 | aio_rename = REQ_RENAME |
|
|
1505 | PPCODE: |
1457 | PPCODE: |
1506 | { |
1458 | { |
1507 | dREQ; |
1459 | dREQ; |
1508 | |
1460 | |
1509 | req->type = ix; |
1461 | req->type = EIO_MKNOD; |
1510 | req->fh = newSVsv (oldpath); |
1462 | req->int2 = (mode_t)mode; |
1511 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1463 | req->offs = dev; |
1512 | req->data = newSVsv (newpath); |
1464 | req_set_path1 (req, pathname); |
1513 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1514 | |
1465 | |
1515 | REQ_SEND; |
1466 | REQ_SEND; |
1516 | } |
1467 | } |
1517 | |
1468 | |
1518 | void |
1469 | void |
1519 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1470 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
1520 | SV * pathname |
1471 | ALIAS: |
1521 | SV * callback |
1472 | aio_mtouch = EIO_MTOUCH |
1522 | UV mode |
1473 | aio_msync = EIO_MSYNC |
1523 | UV dev |
1474 | PPCODE: |
|
|
1475 | { |
|
|
1476 | STRLEN svlen; |
|
|
1477 | char *svptr = SvPVbyte (data, svlen); |
|
|
1478 | UV len = SvUV (length); |
|
|
1479 | |
|
|
1480 | if (offset < 0) |
|
|
1481 | offset += svlen; |
|
|
1482 | |
|
|
1483 | if (offset < 0 || offset > svlen) |
|
|
1484 | croak ("offset outside of scalar"); |
|
|
1485 | |
|
|
1486 | if (!SvOK (length) || len + offset > svlen) |
|
|
1487 | len = svlen - offset; |
|
|
1488 | |
|
|
1489 | { |
|
|
1490 | dREQ; |
|
|
1491 | |
|
|
1492 | req->type = ix; |
|
|
1493 | req->sv2 = SvREFCNT_inc (data); |
|
|
1494 | req->ptr2 = (char *)svptr + offset; |
|
|
1495 | req->size = len; |
|
|
1496 | req->int1 = flags; |
|
|
1497 | |
|
|
1498 | REQ_SEND; |
|
|
1499 | } |
|
|
1500 | } |
|
|
1501 | |
|
|
1502 | void |
|
|
1503 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) |
|
|
1504 | PPCODE: |
|
|
1505 | { |
|
|
1506 | STRLEN svlen; |
|
|
1507 | char *svptr = SvPVbyte (data, svlen); |
|
|
1508 | UV len = SvUV (length); |
|
|
1509 | |
|
|
1510 | if (offset < 0) |
|
|
1511 | offset += svlen; |
|
|
1512 | |
|
|
1513 | if (offset < 0 || offset > svlen) |
|
|
1514 | croak ("offset outside of scalar"); |
|
|
1515 | |
|
|
1516 | if (!SvOK (length) || len + offset > svlen) |
|
|
1517 | len = svlen - offset; |
|
|
1518 | |
|
|
1519 | { |
|
|
1520 | dREQ; |
|
|
1521 | |
|
|
1522 | req->type = EIO_MLOCK; |
|
|
1523 | req->sv2 = SvREFCNT_inc (data); |
|
|
1524 | req->ptr2 = (char *)svptr + offset; |
|
|
1525 | req->size = len; |
|
|
1526 | |
|
|
1527 | REQ_SEND; |
|
|
1528 | } |
|
|
1529 | } |
|
|
1530 | |
|
|
1531 | void |
|
|
1532 | aio_mlockall (IV flags, SV *callback=&PL_sv_undef) |
|
|
1533 | PPCODE: |
|
|
1534 | { |
|
|
1535 | dREQ; |
|
|
1536 | |
|
|
1537 | req->type = EIO_MLOCKALL; |
|
|
1538 | req->int1 = flags; |
|
|
1539 | |
|
|
1540 | REQ_SEND; |
|
|
1541 | } |
|
|
1542 | |
|
|
1543 | void |
|
|
1544 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1524 | PPCODE: |
1545 | PPCODE: |
1525 | { |
1546 | { |
1526 | dREQ; |
1547 | dREQ; |
1527 | |
1548 | |
1528 | req->type = REQ_MKNOD; |
1549 | req->type = EIO_BUSY; |
1529 | req->data = newSVsv (pathname); |
1550 | req->nv1 = delay < 0. ? 0. : delay; |
1530 | req->dataptr = SvPVbyte_nolen (req->data); |
1551 | |
1531 | req->mode = (mode_t)mode; |
|
|
1532 | req->offset = dev; |
|
|
1533 | |
|
|
1534 | REQ_SEND; |
1552 | REQ_SEND; |
1535 | } |
1553 | } |
1536 | |
1554 | |
1537 | void |
1555 | void |
1538 | aio_busy (delay,callback=&PL_sv_undef) |
1556 | aio_group (SV *callback=&PL_sv_undef) |
1539 | double delay |
1557 | PPCODE: |
1540 | SV * callback |
1558 | { |
|
|
1559 | dREQ; |
|
|
1560 | |
|
|
1561 | req->type = EIO_GROUP; |
|
|
1562 | |
|
|
1563 | req_submit (req); |
|
|
1564 | XPUSHs (req_sv (req, aio_grp_stash)); |
|
|
1565 | } |
|
|
1566 | |
|
|
1567 | void |
|
|
1568 | aio_nop (SV *callback=&PL_sv_undef) |
|
|
1569 | ALIAS: |
|
|
1570 | aio_nop = EIO_NOP |
|
|
1571 | aio_sync = EIO_SYNC |
1541 | PPCODE: |
1572 | PPCODE: |
1542 | { |
1573 | { |
1543 | dREQ; |
1574 | dREQ; |
1544 | |
1575 | |
1545 | req->type = REQ_BUSY; |
|
|
1546 | req->fd = delay < 0. ? 0 : delay; |
|
|
1547 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
|
|
1548 | |
|
|
1549 | REQ_SEND; |
|
|
1550 | } |
|
|
1551 | |
|
|
1552 | void |
|
|
1553 | aio_group (callback=&PL_sv_undef) |
|
|
1554 | SV * callback |
|
|
1555 | PROTOTYPE: ;$ |
|
|
1556 | PPCODE: |
|
|
1557 | { |
|
|
1558 | dREQ; |
|
|
1559 | |
|
|
1560 | req->type = REQ_GROUP; |
|
|
1561 | req_send (req); |
|
|
1562 | |
|
|
1563 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
|
|
1564 | } |
|
|
1565 | |
|
|
1566 | void |
|
|
1567 | aio_nop (callback=&PL_sv_undef) |
|
|
1568 | SV * callback |
|
|
1569 | PPCODE: |
|
|
1570 | { |
|
|
1571 | dREQ; |
|
|
1572 | |
|
|
1573 | req->type = REQ_NOP; |
1576 | req->type = ix; |
1574 | |
1577 | |
1575 | REQ_SEND; |
1578 | REQ_SEND; |
1576 | } |
1579 | } |
1577 | |
1580 | |
1578 | int |
1581 | int |
1579 | aioreq_pri (int pri = 0) |
1582 | aioreq_pri (int pri = 0) |
1580 | PROTOTYPE: ;$ |
|
|
1581 | CODE: |
1583 | CODE: |
1582 | RETVAL = next_pri - PRI_BIAS; |
1584 | RETVAL = next_pri; |
1583 | if (items > 0) |
1585 | if (items > 0) |
1584 | { |
1586 | { |
1585 | if (pri < PRI_MIN) pri = PRI_MIN; |
1587 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1586 | if (pri > PRI_MAX) pri = PRI_MAX; |
1588 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1587 | next_pri = pri + PRI_BIAS; |
1589 | next_pri = pri; |
1588 | } |
1590 | } |
1589 | OUTPUT: |
1591 | OUTPUT: |
1590 | RETVAL |
1592 | RETVAL |
1591 | |
1593 | |
1592 | void |
1594 | void |
1593 | aioreq_nice (int nice = 0) |
1595 | aioreq_nice (int nice = 0) |
1594 | CODE: |
1596 | CODE: |
1595 | nice = next_pri - nice; |
1597 | nice = next_pri - nice; |
1596 | if (nice < PRI_MIN) nice = PRI_MIN; |
1598 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1597 | if (nice > PRI_MAX) nice = PRI_MAX; |
1599 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1598 | next_pri = nice + PRI_BIAS; |
1600 | next_pri = nice; |
1599 | |
1601 | |
1600 | void |
1602 | void |
1601 | flush () |
1603 | flush () |
1602 | PROTOTYPE: |
|
|
1603 | CODE: |
1604 | CODE: |
1604 | while (nreqs) |
1605 | while (eio_nreqs ()) |
1605 | { |
1606 | { |
1606 | poll_wait (); |
1607 | poll_wait (); |
1607 | poll_cb (0); |
1608 | poll_cb (); |
1608 | } |
1609 | } |
1609 | |
1610 | |
1610 | void |
1611 | int |
1611 | poll() |
1612 | poll () |
1612 | PROTOTYPE: |
|
|
1613 | CODE: |
1613 | CODE: |
1614 | if (nreqs) |
|
|
1615 | { |
|
|
1616 | poll_wait (); |
1614 | poll_wait (); |
1617 | poll_cb (0); |
1615 | RETVAL = poll_cb (); |
1618 | } |
|
|
1619 | |
|
|
1620 | int |
|
|
1621 | poll_fileno() |
|
|
1622 | PROTOTYPE: |
|
|
1623 | CODE: |
|
|
1624 | RETVAL = respipe [0]; |
|
|
1625 | OUTPUT: |
1616 | OUTPUT: |
1626 | RETVAL |
1617 | RETVAL |
1627 | |
1618 | |
1628 | int |
1619 | int |
|
|
1620 | poll_fileno () |
|
|
1621 | CODE: |
|
|
1622 | RETVAL = s_epipe_fd (&respipe); |
|
|
1623 | OUTPUT: |
|
|
1624 | RETVAL |
|
|
1625 | |
|
|
1626 | int |
1629 | poll_cb(...) |
1627 | poll_cb (...) |
1630 | PROTOTYPE: |
1628 | PROTOTYPE: |
1631 | CODE: |
1629 | CODE: |
1632 | RETVAL = poll_cb (); |
1630 | RETVAL = poll_cb (); |
1633 | OUTPUT: |
1631 | OUTPUT: |
1634 | RETVAL |
1632 | RETVAL |
1635 | |
1633 | |
1636 | void |
1634 | void |
1637 | poll_wait() |
1635 | poll_wait () |
1638 | PROTOTYPE: |
|
|
1639 | CODE: |
1636 | CODE: |
1640 | if (nreqs) |
|
|
1641 | poll_wait (); |
1637 | poll_wait (); |
1642 | |
1638 | |
1643 | int |
1639 | int |
1644 | nreqs() |
1640 | nreqs () |
1645 | PROTOTYPE: |
|
|
1646 | CODE: |
1641 | CODE: |
1647 | RETVAL = nreqs; |
1642 | RETVAL = eio_nreqs (); |
1648 | OUTPUT: |
1643 | OUTPUT: |
1649 | RETVAL |
1644 | RETVAL |
1650 | |
1645 | |
1651 | int |
1646 | int |
1652 | nready() |
1647 | nready () |
1653 | PROTOTYPE: |
|
|
1654 | CODE: |
1648 | CODE: |
1655 | RETVAL = get_nready (); |
1649 | RETVAL = eio_nready (); |
1656 | OUTPUT: |
1650 | OUTPUT: |
1657 | RETVAL |
1651 | RETVAL |
1658 | |
1652 | |
1659 | int |
1653 | int |
1660 | npending() |
1654 | npending () |
1661 | PROTOTYPE: |
|
|
1662 | CODE: |
1655 | CODE: |
1663 | RETVAL = get_npending (); |
1656 | RETVAL = eio_npending (); |
1664 | OUTPUT: |
1657 | OUTPUT: |
1665 | RETVAL |
1658 | RETVAL |
1666 | |
1659 | |
1667 | int |
1660 | int |
1668 | nthreads() |
1661 | nthreads () |
1669 | PROTOTYPE: |
|
|
1670 | CODE: |
1662 | CODE: |
1671 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
1663 | RETVAL = eio_nthreads (); |
1672 | RETVAL = started; |
|
|
1673 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
|
|
1674 | OUTPUT: |
1664 | OUTPUT: |
1675 | RETVAL |
1665 | RETVAL |
1676 | |
1666 | |
|
|
1667 | int |
|
|
1668 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
1669 | CODE: |
|
|
1670 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
1671 | OUTPUT: |
|
|
1672 | RETVAL |
|
|
1673 | |
|
|
1674 | IV |
|
|
1675 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
1676 | CODE: |
|
|
1677 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1678 | OUTPUT: |
|
|
1679 | RETVAL |
|
|
1680 | |
|
|
1681 | void |
|
|
1682 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
|
|
1683 | PPCODE: |
|
|
1684 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1685 | { |
|
|
1686 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1687 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1688 | if (addr == (void *)-1) |
|
|
1689 | XSRETURN_NO; |
|
|
1690 | |
|
|
1691 | sv_force_normal (scalar); |
|
|
1692 | |
|
|
1693 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1694 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1695 | ->mg_obj = (SV *)length; |
|
|
1696 | |
|
|
1697 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1698 | |
|
|
1699 | if (!(prot & PROT_WRITE)) |
|
|
1700 | SvREADONLY_on (scalar); |
|
|
1701 | |
|
|
1702 | if (SvLEN (scalar)) |
|
|
1703 | Safefree (SvPVX (scalar)); |
|
|
1704 | |
|
|
1705 | SvPVX (scalar) = (char *)addr; |
|
|
1706 | SvCUR_set (scalar, length); |
|
|
1707 | SvLEN_set (scalar, 0); |
|
|
1708 | SvPOK_only (scalar); |
|
|
1709 | |
|
|
1710 | XSRETURN_YES; |
|
|
1711 | } |
|
|
1712 | |
|
|
1713 | void |
|
|
1714 | munmap (SV *scalar) |
|
|
1715 | CODE: |
|
|
1716 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1717 | |
|
|
1718 | int |
|
|
1719 | madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
1720 | ALIAS: |
|
|
1721 | mprotect = 1 |
|
|
1722 | CODE: |
|
|
1723 | { |
|
|
1724 | STRLEN svlen; |
|
|
1725 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1726 | size_t len = SvUV (length); |
|
|
1727 | |
|
|
1728 | if (offset < 0) |
|
|
1729 | offset += svlen; |
|
|
1730 | |
|
|
1731 | if (offset < 0 || offset > svlen) |
|
|
1732 | croak ("offset outside of scalar"); |
|
|
1733 | |
|
|
1734 | if (!SvOK (length) || len + offset > svlen) |
|
|
1735 | len = svlen - offset; |
|
|
1736 | |
|
|
1737 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1738 | eio_page_align (&addr, &len); |
|
|
1739 | |
|
|
1740 | switch (ix) |
|
|
1741 | { |
|
|
1742 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
1743 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
1744 | } |
|
|
1745 | } |
|
|
1746 | OUTPUT: |
|
|
1747 | RETVAL |
|
|
1748 | |
|
|
1749 | int |
|
|
1750 | munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) |
|
|
1751 | CODE: |
|
|
1752 | { |
|
|
1753 | STRLEN svlen; |
|
|
1754 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1755 | size_t len = SvUV (length); |
|
|
1756 | |
|
|
1757 | if (offset < 0) |
|
|
1758 | offset += svlen; |
|
|
1759 | |
|
|
1760 | if (offset < 0 || offset > svlen) |
|
|
1761 | croak ("offset outside of scalar"); |
|
|
1762 | |
|
|
1763 | if (!SvOK (length) || len + offset > svlen) |
|
|
1764 | len = svlen - offset; |
|
|
1765 | |
|
|
1766 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1767 | eio_page_align (&addr, &len); |
|
|
1768 | #if _POSIX_MEMLOCK_RANGE |
|
|
1769 | RETVAL = munlock (addr, len); |
|
|
1770 | #else |
|
|
1771 | RETVAL = ((errno = ENOSYS), -1); |
|
|
1772 | #endif |
|
|
1773 | } |
|
|
1774 | OUTPUT: |
|
|
1775 | RETVAL |
|
|
1776 | |
|
|
1777 | int |
|
|
1778 | munlockall () |
|
|
1779 | CODE: |
|
|
1780 | #if _POSIX_MEMLOCK |
|
|
1781 | munlockall (); |
|
|
1782 | #else |
|
|
1783 | RETVAL = -1; |
|
|
1784 | errno = ENOSYS; |
|
|
1785 | #endif |
|
|
1786 | OUTPUT: |
|
|
1787 | RETVAL |
|
|
1788 | |
|
|
1789 | void _on_next_submit (SV *cb) |
|
|
1790 | CODE: |
|
|
1791 | SvREFCNT_dec (on_next_submit); |
|
|
1792 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1793 | |
1677 | PROTOTYPES: DISABLE |
1794 | PROTOTYPES: DISABLE |
|
|
1795 | |
|
|
1796 | MODULE = IO::AIO PACKAGE = IO::AIO::WD |
|
|
1797 | |
|
|
1798 | BOOT: |
|
|
1799 | { |
|
|
1800 | newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
|
|
1801 | newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
|
|
1802 | } |
|
|
1803 | |
|
|
1804 | void |
|
|
1805 | DESTROY (SV *self) |
|
|
1806 | CODE: |
|
|
1807 | { |
|
|
1808 | aio_wd wd = SvAIO_WD (self); |
|
|
1809 | #if HAVE_AT |
|
|
1810 | { |
|
|
1811 | SV *callback = &PL_sv_undef; |
|
|
1812 | dREQ; /* clobbers next_pri :/ */ |
|
|
1813 | next_pri = req->pri; /* restore next_pri */ |
|
|
1814 | req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */ |
|
|
1815 | req->type = EIO_WD_CLOSE; |
|
|
1816 | req->wd = wd; |
|
|
1817 | REQ_SEND; |
|
|
1818 | } |
|
|
1819 | #else |
|
|
1820 | eio_wd_close_sync (wd); |
|
|
1821 | #endif |
|
|
1822 | } |
1678 | |
1823 | |
1679 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1824 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1680 | |
1825 | |
1681 | void |
1826 | void |
1682 | cancel (aio_req_ornot req) |
1827 | cancel (aio_req_ornot req) |
1683 | CODE: |
1828 | CODE: |
1684 | req_cancel (req); |
1829 | eio_cancel (req); |
1685 | |
1830 | |
1686 | void |
1831 | void |
1687 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1832 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1688 | CODE: |
1833 | PPCODE: |
|
|
1834 | { |
|
|
1835 | if (GIMME_V != G_VOID) |
|
|
1836 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1837 | |
|
|
1838 | if (items > 1) |
|
|
1839 | { |
|
|
1840 | SV *cb_cv =get_cb (callback); |
|
|
1841 | |
1689 | SvREFCNT_dec (req->callback); |
1842 | SvREFCNT_dec (req->callback); |
1690 | req->callback = newSVsv (callback); |
1843 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1844 | } |
|
|
1845 | } |
1691 | |
1846 | |
1692 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1847 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1693 | |
1848 | |
1694 | void |
1849 | void |
1695 | add (aio_req grp, ...) |
1850 | add (aio_req grp, ...) |
1696 | PPCODE: |
1851 | PPCODE: |
1697 | { |
1852 | { |
1698 | int i; |
1853 | int i; |
1699 | aio_req req; |
|
|
1700 | |
1854 | |
1701 | if (grp->fd == 2) |
1855 | if (grp->int1 == 2) |
1702 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1856 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1703 | |
1857 | |
1704 | for (i = 1; i < items; ++i ) |
1858 | for (i = 1; i < items; ++i ) |
1705 | { |
1859 | { |
|
|
1860 | aio_req req; |
|
|
1861 | |
1706 | if (GIMME_V != G_VOID) |
1862 | if (GIMME_V != G_VOID) |
1707 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1863 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1708 | |
1864 | |
1709 | req = SvAIO_REQ (ST (i)); |
1865 | req = SvAIO_REQ (ST (i)); |
1710 | |
1866 | |
1711 | if (req) |
1867 | if (req) |
1712 | { |
1868 | eio_grp_add (grp, req); |
1713 | ++grp->length; |
|
|
1714 | req->grp = grp; |
|
|
1715 | |
|
|
1716 | req->grp_prev = 0; |
|
|
1717 | req->grp_next = grp->grp_first; |
|
|
1718 | |
|
|
1719 | if (grp->grp_first) |
|
|
1720 | grp->grp_first->grp_prev = req; |
|
|
1721 | |
|
|
1722 | grp->grp_first = req; |
|
|
1723 | } |
|
|
1724 | } |
1869 | } |
1725 | } |
1870 | } |
1726 | |
1871 | |
1727 | void |
1872 | void |
1728 | cancel_subs (aio_req_ornot req) |
1873 | cancel_subs (aio_req_ornot req) |
… | |
… | |
1737 | AV *av; |
1882 | AV *av; |
1738 | |
1883 | |
1739 | grp->errorno = errno; |
1884 | grp->errorno = errno; |
1740 | |
1885 | |
1741 | av = newAV (); |
1886 | av = newAV (); |
|
|
1887 | av_extend (av, items - 1); |
1742 | |
1888 | |
1743 | for (i = 1; i < items; ++i ) |
1889 | for (i = 1; i < items; ++i ) |
1744 | av_push (av, newSVsv (ST (i))); |
1890 | av_push (av, newSVsv (ST (i))); |
1745 | |
1891 | |
1746 | SvREFCNT_dec (grp->data); |
1892 | SvREFCNT_dec (grp->sv1); |
1747 | grp->data = (SV *)av; |
1893 | grp->sv1 = (SV *)av; |
1748 | } |
1894 | } |
1749 | |
1895 | |
1750 | void |
1896 | void |
1751 | errno (aio_req grp, int errorno = errno) |
1897 | errno (aio_req grp, int errorno = errno) |
1752 | CODE: |
1898 | CODE: |
1753 | grp->errorno = errorno; |
1899 | grp->errorno = errorno; |
1754 | |
1900 | |
1755 | void |
1901 | void |
1756 | limit (aio_req grp, int limit) |
1902 | limit (aio_req grp, int limit) |
1757 | CODE: |
1903 | CODE: |
1758 | grp->fd2 = limit; |
1904 | eio_grp_limit (grp, limit); |
1759 | aio_grp_feed (grp); |
|
|
1760 | |
1905 | |
1761 | void |
1906 | void |
1762 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1907 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1763 | CODE: |
1908 | CODE: |
1764 | { |
1909 | { |
1765 | SvREFCNT_dec (grp->fh2); |
1910 | SvREFCNT_dec (grp->sv2); |
1766 | grp->fh2 = newSVsv (callback); |
1911 | grp->sv2 = newSVsv (callback); |
|
|
1912 | grp->feed = aio_grp_feed; |
1767 | |
1913 | |
1768 | if (grp->fd2 <= 0) |
1914 | if (grp->int2 <= 0) |
1769 | grp->fd2 = 2; |
1915 | grp->int2 = 2; |
1770 | |
1916 | |
1771 | aio_grp_feed (grp); |
1917 | eio_grp_limit (grp, grp->int2); |
1772 | } |
1918 | } |
1773 | |
1919 | |