1 | #define _REENTRANT 1 |
1 | #include "libeio/xthread.h" |
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2 | |
2 | #include <errno.h> |
3 | #include <errno.h> |
3 | |
4 | |
4 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
5 | #include "perl.h" |
6 | #include "perl.h" |
6 | #include "XSUB.h" |
7 | #include "XSUB.h" |
7 | |
8 | |
8 | #include "autoconf/config.h" |
9 | #include <stddef.h> |
9 | |
10 | #include <stdlib.h> |
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11 | #include <errno.h> |
10 | #include <sys/types.h> |
12 | #include <sys/types.h> |
11 | #include <sys/stat.h> |
13 | #include <sys/stat.h> |
12 | |
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13 | #include <unistd.h> |
14 | #include <limits.h> |
14 | #include <fcntl.h> |
15 | #include <fcntl.h> |
15 | #include <signal.h> |
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16 | #include <sched.h> |
16 | #include <sched.h> |
17 | |
17 | |
18 | #include <pthread.h> |
18 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
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19 | # include <sys/mman.h> |
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20 | #endif |
19 | |
21 | |
20 | typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
22 | /* the incompetent fool that created musl keeps __linux__, refuses |
21 | typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
23 | * to implement any linux standard apis, and also has no way to test |
22 | typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
24 | * for his broken iplementation. don't complain to me if this fails |
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25 | * for you. |
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26 | */ |
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27 | #if __linux__ && (defined __GLIBC__ || defined __UCLIBC__) |
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28 | # include <linux/fs.h> |
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29 | # ifdef FS_IOC_FIEMAP |
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30 | # include <linux/types.h> |
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31 | # include <linux/fiemap.h> |
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32 | # define HAVE_FIEMAP 1 |
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33 | # endif |
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34 | #endif |
23 | |
35 | |
24 | #if __ia64 |
36 | /* perl namespace pollution */ |
25 | # define STACKSIZE 65536 |
37 | #undef VERSION |
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38 | |
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39 | /* perl stupidly overrides readdir and maybe others */ |
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40 | /* with thread-unsafe versions, imagine that :( */ |
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41 | #undef readdir |
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42 | #undef opendir |
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43 | #undef closedir |
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44 | |
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45 | #ifdef _WIN32 |
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46 | |
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47 | // perl overrides all those nice libc functions |
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48 | |
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49 | #undef malloc |
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50 | #undef free |
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51 | #undef open |
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52 | #undef read |
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53 | #undef write |
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54 | #undef send |
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55 | #undef recv |
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56 | #undef stat |
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57 | #undef lstat |
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58 | #undef fstat |
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59 | #undef truncate |
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60 | #undef ftruncate |
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61 | #undef open |
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62 | #undef link |
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63 | #undef close |
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64 | #undef unlink |
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65 | #undef mkdir |
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66 | #undef rmdir |
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67 | #undef rename |
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68 | #undef lseek |
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69 | #undef opendir |
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70 | #undef readdir |
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71 | #undef closedir |
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72 | #undef chmod |
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73 | #undef fchmod |
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74 | #undef dup |
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75 | #undef dup2 |
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76 | #undef abort |
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77 | #undef pipe |
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78 | |
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79 | #define EIO_STRUCT_STAT struct _stati64 |
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80 | #define EIO_STRUCT_STATI64 |
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81 | |
26 | #else |
82 | #else |
27 | # define STACKSIZE 4096 |
83 | |
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84 | #include <sys/time.h> |
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85 | #include <sys/select.h> |
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86 | #include <unistd.h> |
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87 | #include <utime.h> |
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88 | #include <signal.h> |
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89 | |
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90 | #define EIO_STRUCT_STAT Stat_t |
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91 | |
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92 | #endif |
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93 | |
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94 | /*****************************************************************************/ |
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95 | |
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96 | #if __GNUC__ >= 3 |
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97 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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98 | #else |
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99 | # define expect(expr,value) (expr) |
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100 | #endif |
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101 | |
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102 | #define expect_false(expr) expect ((expr) != 0, 0) |
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103 | #define expect_true(expr) expect ((expr) != 0, 1) |
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104 | |
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105 | /*****************************************************************************/ |
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106 | |
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107 | #include "libeio/config.h" |
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108 | |
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109 | #include "schmorp.h" |
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110 | |
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111 | #if HAVE_EVENTFD |
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112 | # include <sys/eventfd.h> |
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113 | #endif |
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114 | |
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115 | #if HAVE_TIMERFD |
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116 | # include <sys/timerfd.h> |
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117 | #endif |
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118 | |
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119 | #if HAVE_RLIMITS |
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120 | #include <sys/time.h> |
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121 | #include <sys/resource.h> |
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122 | #endif |
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123 | |
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124 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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125 | typedef int aio_rfd; /* read file desriptor */ |
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126 | typedef int aio_wfd; /* write file descriptor */ |
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127 | |
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128 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
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129 | |
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130 | #define EIO_REQ_MEMBERS \ |
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131 | SV *callback; \ |
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132 | SV *sv1, *sv2; \ |
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133 | SV *sv3, *sv4; \ |
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134 | STRLEN stroffset; \ |
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135 | SV *self; |
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136 | |
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137 | #define EIO_NO_WRAPPERS 1 |
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138 | |
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139 | #include "libeio/eio.h" |
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140 | |
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141 | static int req_invoke (eio_req *req); |
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142 | #define EIO_FINISH(req) req_invoke (req) |
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143 | static void req_destroy (eio_req *grp); |
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144 | #define EIO_DESTROY(req) req_destroy (req) |
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145 | |
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146 | #include "libeio/eio.c" |
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147 | |
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148 | #if !HAVE_POSIX_FADVISE |
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149 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
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150 | #endif |
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151 | |
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152 | #if !HAVE_POSIX_MADVISE |
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153 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
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154 | #endif |
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155 | |
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156 | #ifndef MAP_ANONYMOUS |
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157 | # ifdef MAP_ANON |
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158 | # define MAP_ANONYMOUS MAP_ANON |
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159 | # else |
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160 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
28 | #endif |
161 | # endif |
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162 | #endif |
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163 | |
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164 | /* defines all sorts of constants to 0 unless they are already defined */ |
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165 | /* also provides const_iv_ and const_niv_ macros for them */ |
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166 | #include "def0.h" |
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167 | |
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168 | #ifndef makedev |
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169 | # define makedev(maj,min) (((maj) << 8) | (min)) |
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170 | #endif |
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171 | #ifndef major |
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172 | # define major(dev) ((dev) >> 8) |
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173 | #endif |
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174 | #ifndef minor |
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175 | # define minor(dev) ((dev) & 0xff) |
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176 | #endif |
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177 | |
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178 | #if PAGESIZE <= 0 |
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179 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
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180 | #endif |
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181 | |
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182 | /*****************************************************************************/ |
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183 | |
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184 | #if !_POSIX_MAPPED_FILES |
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185 | # define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () |
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186 | # define munmap(addr,length) EIO_ENOSYS () |
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187 | #endif |
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188 | |
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189 | #if !_POSIX_MEMORY_PROTECTION |
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190 | # define mprotect(addr,len,prot) EIO_ENOSYS () |
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191 | #endif |
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192 | |
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193 | #if !MREMAP_MAYMOVE |
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194 | # define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1) |
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195 | #endif |
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196 | |
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197 | #define FOREIGN_MAGIC PERL_MAGIC_ext |
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198 | |
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199 | static int ecb_cold |
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200 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
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201 | { |
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202 | int old_errno = errno; |
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203 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
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204 | errno = old_errno; |
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205 | |
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206 | mg->mg_obj = 0; /* just in case */ |
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207 | |
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208 | SvREADONLY_off (sv); |
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209 | |
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210 | if (SvPVX (sv) != mg->mg_ptr) |
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211 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
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212 | |
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213 | SvCUR_set (sv, 0); |
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214 | SvPVX (sv) = 0; |
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215 | SvOK_off (sv); |
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216 | |
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217 | return 0; |
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218 | } |
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219 | |
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220 | static MGVTBL mmap_vtbl = { |
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221 | 0, 0, 0, 0, mmap_free |
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222 | }; |
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223 | |
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224 | static int ecb_cold |
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225 | sysfree_free (pTHX_ SV *sv, MAGIC *mg) |
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226 | { |
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227 | free (mg->mg_ptr); |
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228 | mg->mg_obj = 0; /* just in case */ |
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229 | |
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230 | SvREADONLY_off (sv); |
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231 | |
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232 | if (SvPVX (sv) != mg->mg_ptr) |
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233 | croak ("ERROR: IO::AIO mapped scalar changed location, detected"); |
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234 | |
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235 | SvCUR_set (sv, 0); |
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236 | SvPVX (sv) = 0; |
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237 | SvOK_off (sv); |
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238 | |
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239 | return 0; |
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240 | } |
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241 | |
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242 | static MGVTBL sysfree_vtbl = { |
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243 | 0, 0, 0, 0, sysfree_free |
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244 | }; |
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245 | |
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246 | /*****************************************************************************/ |
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247 | |
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248 | /* helper: set scalar to foreign ptr with custom free */ |
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249 | static void |
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250 | sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length) |
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251 | { |
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252 | sv_force_normal (sv); |
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253 | |
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254 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
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255 | sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0) |
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256 | ->mg_obj = (SV *)length; |
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257 | |
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258 | SvUPGRADE (sv, SVt_PV); /* nop... */ |
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259 | |
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260 | if (SvLEN (sv)) |
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261 | Safefree (SvPVX (sv)); |
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262 | |
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263 | SvPVX (sv) = (char *)addr; |
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264 | SvCUR_set (sv, length); |
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265 | SvLEN_set (sv, 0); |
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266 | SvPOK_only (sv); |
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267 | } |
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268 | |
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269 | static void |
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270 | sv_clear_foreign (SV *sv) |
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271 | { |
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272 | /* todo: iterate over magic and only free ours, but of course */ |
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273 | /* the perl5porters will call that (correct) behaviour buggy */ |
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274 | sv_unmagic (sv, FOREIGN_MAGIC); |
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275 | } |
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276 | |
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277 | /*****************************************************************************/ |
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278 | |
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279 | static void |
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280 | fiemap (eio_req *req) |
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281 | { |
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282 | req->result = -1; |
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283 | |
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284 | #if HAVE_FIEMAP |
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285 | /* assume some c99 */ |
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286 | struct fiemap *fiemap = 0; |
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287 | size_t end_offset; |
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288 | int count = req->int3; |
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289 | |
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290 | req->flags |= EIO_FLAG_PTR1_FREE; |
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291 | |
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292 | /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ |
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293 | /* increase in 3.5kb steps */ |
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294 | if (count < 0) |
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295 | count = 8; |
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296 | |
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297 | fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
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298 | errno = ENOMEM; |
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299 | if (!fiemap) |
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300 | return; |
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301 | |
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302 | req->ptr1 = fiemap; |
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303 | |
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304 | fiemap->fm_start = req->offs; |
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305 | fiemap->fm_length = req->size; |
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306 | fiemap->fm_flags = req->int2; |
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307 | fiemap->fm_extent_count = count; |
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308 | |
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309 | if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0) |
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310 | return; |
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311 | |
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312 | if (req->int3 >= 0 /* not autosizing */ |
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313 | || !fiemap->fm_mapped_extents /* no more extents */ |
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314 | || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */) |
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315 | goto done; |
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316 | |
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317 | /* else we have to loop - |
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318 | * it would be tempting (actually I tried that first) to just query the |
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319 | * number of extents needed, but linux often feels like not returning all |
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320 | * extents, without telling us it left any out. this complicates |
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321 | * this quite a bit. |
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322 | */ |
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323 | |
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324 | end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start); |
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325 | |
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326 | for (;;) |
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327 | { |
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328 | /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */ |
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329 | char scratch[3072]; |
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330 | struct fiemap *incmap = (struct fiemap *)scratch; |
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331 | |
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332 | incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical |
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333 | + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length; |
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334 | incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start); |
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335 | incmap->fm_flags = fiemap->fm_flags; |
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336 | incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent); |
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337 | |
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338 | if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0) |
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339 | return; |
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340 | |
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341 | if (!incmap->fm_mapped_extents) |
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342 | goto done; |
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343 | |
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344 | count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents; |
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345 | fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
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346 | errno = ENOMEM; |
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347 | if (!fiemap) |
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348 | return; |
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349 | |
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350 | req->ptr1 = fiemap; |
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351 | |
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352 | for (count = 0; count < incmap->fm_mapped_extents; ++count) |
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353 | { |
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354 | struct fiemap_extent *e = incmap->fm_extents + count; |
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355 | |
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356 | if (e->fe_logical + e->fe_length >= end_offset) |
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357 | goto done; |
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358 | |
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359 | fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e; |
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360 | |
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361 | if (e->fe_flags & FIEMAP_EXTENT_LAST) |
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362 | goto done; |
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363 | |
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364 | } |
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365 | } |
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366 | |
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367 | done: |
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368 | req->result = 0; |
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369 | |
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370 | #else |
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371 | errno = ENOSYS; |
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372 | #endif |
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373 | } |
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374 | |
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375 | /*****************************************************************************/ |
29 | |
376 | |
30 | enum { |
377 | enum { |
31 | REQ_QUIT, |
378 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
32 | REQ_OPEN, REQ_CLOSE, |
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33 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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34 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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35 | REQ_FSYNC, REQ_FDATASYNC, |
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36 | REQ_UNLINK, REQ_RMDIR, |
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37 | REQ_SYMLINK, |
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38 | }; |
379 | }; |
39 | |
380 | |
40 | typedef struct aio_cb { |
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41 | struct aio_cb *volatile next; |
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42 | |
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43 | int type; |
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44 | |
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45 | int fd; |
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46 | off_t offset; |
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47 | size_t length; |
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48 | ssize_t result; |
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49 | mode_t mode; /* open */ |
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50 | int errorno; |
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51 | SV *data, *callback, *fh; |
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52 | void *dataptr, *data2ptr; |
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53 | STRLEN dataoffset; |
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54 | |
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55 | Stat_t *statdata; |
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56 | } aio_cb; |
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57 | |
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58 | typedef aio_cb *aio_req; |
381 | typedef eio_req *aio_req; |
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382 | typedef eio_req *aio_req_ornot; |
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383 | typedef eio_wd aio_wd; |
59 | |
384 | |
60 | static int started; |
385 | static SV *on_next_submit; |
61 | static volatile int nreqs; |
386 | static int next_pri = EIO_PRI_DEFAULT; |
62 | static int max_outstanding = 1<<30; |
387 | static int max_outstanding; |
63 | static int respipe [2]; |
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64 | |
388 | |
65 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
389 | static s_epipe respipe; |
66 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
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67 | static pthread_mutex_t frklock = PTHREAD_MUTEX_INITIALIZER; |
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68 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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69 | |
390 | |
70 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
391 | static void req_destroy (aio_req req); |
71 | static volatile aio_req ress, rese; /* queue start, queue end */ |
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72 | |
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73 | static void free_req (aio_req req) |
392 | static void req_cancel (aio_req req); |
74 | { |
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75 | if (req->data) |
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76 | SvREFCNT_dec (req->data); |
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77 | |
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78 | if (req->fh) |
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79 | SvREFCNT_dec (req->fh); |
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80 | |
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81 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
|
|
82 | Safefree (req->statdata); |
|
|
83 | |
|
|
84 | if (req->callback) |
|
|
85 | SvREFCNT_dec (req->callback); |
|
|
86 | |
|
|
87 | Safefree (req); |
|
|
88 | } |
|
|
89 | |
393 | |
90 | static void |
394 | static void |
91 | poll_wait () |
395 | want_poll (void) |
92 | { |
396 | { |
93 | if (nreqs && !ress) |
397 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
398 | s_epipe_signal (&respipe); |
|
|
399 | } |
|
|
400 | |
|
|
401 | static void |
|
|
402 | done_poll (void) |
|
|
403 | { |
|
|
404 | /* read any signals sent by the worker threads */ |
|
|
405 | s_epipe_drain (&respipe); |
|
|
406 | } |
|
|
407 | |
|
|
408 | /* must be called at most once */ |
|
|
409 | static SV * |
|
|
410 | req_sv (aio_req req, HV *stash) |
|
|
411 | { |
|
|
412 | if (!req->self) |
94 | { |
413 | { |
95 | fd_set rfd; |
414 | req->self = (SV *)newHV (); |
96 | FD_ZERO(&rfd); |
415 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
97 | FD_SET(respipe [0], &rfd); |
|
|
98 | |
|
|
99 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
100 | } |
416 | } |
|
|
417 | |
|
|
418 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
|
|
419 | } |
|
|
420 | |
|
|
421 | static SV * |
|
|
422 | newSVaio_wd (aio_wd wd) |
|
|
423 | { |
|
|
424 | return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash); |
|
|
425 | } |
|
|
426 | |
|
|
427 | static aio_req |
|
|
428 | SvAIO_REQ (SV *sv) |
|
|
429 | { |
|
|
430 | MAGIC *mg; |
|
|
431 | |
|
|
432 | if (!SvROK (sv) |
|
|
433 | /* for speed reasons, we do not verify that SvROK actually has a stash ptr */ |
|
|
434 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
|
|
435 | && SvSTASH (SvRV (sv)) != aio_req_stash |
|
|
436 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
|
|
437 | croak ("object of class IO::AIO::REQ expected"); |
|
|
438 | |
|
|
439 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
|
|
440 | |
|
|
441 | return mg ? (aio_req)mg->mg_ptr : 0; |
|
|
442 | } |
|
|
443 | |
|
|
444 | static aio_wd |
|
|
445 | SvAIO_WD (SV *sv) |
|
|
446 | { |
|
|
447 | if (!SvROK (sv) |
|
|
448 | || SvTYPE (SvRV (sv)) != SVt_PVMG |
|
|
449 | || SvSTASH (SvRV (sv)) != aio_wd_stash) |
|
|
450 | croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
|
|
451 | |
|
|
452 | return (aio_wd)(long)SvIVX (SvRV (sv)); |
|
|
453 | } |
|
|
454 | |
|
|
455 | static SV * |
|
|
456 | newmortalFH (int fd, int flags) |
|
|
457 | { |
|
|
458 | if (fd < 0) |
|
|
459 | return &PL_sv_undef; |
|
|
460 | |
|
|
461 | GV *gv = (GV *)sv_newmortal (); |
|
|
462 | char sym[64]; |
|
|
463 | int symlen; |
|
|
464 | |
|
|
465 | symlen = snprintf (sym, sizeof (sym), "fd#%d", fd); |
|
|
466 | gv_init (gv, aio_stash, sym, symlen, 0); |
|
|
467 | |
|
|
468 | symlen = snprintf ( |
|
|
469 | sym, |
|
|
470 | sizeof (sym), |
|
|
471 | "%s&=%d", |
|
|
472 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
473 | fd |
|
|
474 | ); |
|
|
475 | |
|
|
476 | return do_open (gv, sym, symlen, 0, 0, 0, 0) |
|
|
477 | ? (SV *)gv : &PL_sv_undef; |
|
|
478 | } |
|
|
479 | |
|
|
480 | static void |
|
|
481 | aio_grp_feed (aio_req grp) |
|
|
482 | { |
|
|
483 | if (grp->sv2 && SvOK (grp->sv2)) |
|
|
484 | { |
|
|
485 | dSP; |
|
|
486 | |
|
|
487 | ENTER; |
|
|
488 | SAVETMPS; |
|
|
489 | PUSHMARK (SP); |
|
|
490 | XPUSHs (req_sv (grp, aio_grp_stash)); |
|
|
491 | PUTBACK; |
|
|
492 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
|
|
493 | SPAGAIN; |
|
|
494 | FREETMPS; |
|
|
495 | LEAVE; |
|
|
496 | } |
|
|
497 | } |
|
|
498 | |
|
|
499 | static void |
|
|
500 | req_submit (eio_req *req) |
|
|
501 | { |
|
|
502 | eio_submit (req); |
|
|
503 | |
|
|
504 | if (expect_false (on_next_submit)) |
|
|
505 | { |
|
|
506 | dSP; |
|
|
507 | SV *cb = sv_2mortal (on_next_submit); |
|
|
508 | |
|
|
509 | on_next_submit = 0; |
|
|
510 | |
|
|
511 | PUSHMARK (SP); |
|
|
512 | PUTBACK; |
|
|
513 | call_sv (cb, G_DISCARD | G_EVAL); |
|
|
514 | } |
101 | } |
515 | } |
102 | |
516 | |
103 | static int |
517 | static int |
104 | poll_cb () |
518 | req_invoke (eio_req *req) |
105 | { |
519 | { |
106 | dSP; |
520 | if (req->flags & FLAG_SV2_RO_OFF) |
107 | int count = 0; |
521 | SvREADONLY_off (req->sv2); |
108 | int do_croak = 0; |
|
|
109 | aio_req req, prv; |
|
|
110 | |
522 | |
111 | pthread_mutex_lock (&reslock); |
523 | if (!EIO_CANCELLED (req) && req->callback) |
112 | |
|
|
113 | { |
|
|
114 | /* read any signals sent by the worker threads */ |
|
|
115 | char buf [32]; |
|
|
116 | while (read (respipe [0], buf, 32) == 32) |
|
|
117 | ; |
|
|
118 | } |
|
|
119 | |
|
|
120 | req = ress; |
|
|
121 | ress = rese = 0; |
|
|
122 | |
|
|
123 | pthread_mutex_unlock (&reslock); |
|
|
124 | |
|
|
125 | while (req) |
|
|
126 | { |
524 | { |
127 | nreqs--; |
525 | dSP; |
|
|
526 | static SV *sv_result_cache; /* caches the result integer SV */ |
|
|
527 | SV *sv_result; |
128 | |
528 | |
129 | if (req->type == REQ_QUIT) |
529 | ENTER; |
130 | started--; |
530 | SAVETMPS; |
131 | else |
531 | PUSHMARK (SP); |
|
|
532 | EXTEND (SP, 1); |
|
|
533 | |
|
|
534 | /* do not recreate the result IV from scratch each time */ |
|
|
535 | if (expect_true (sv_result_cache)) |
132 | { |
536 | { |
133 | int errorno = errno; |
537 | sv_result = sv_result_cache; sv_result_cache = 0; |
134 | errno = req->errorno; |
538 | SvIV_set (sv_result, req->result); |
135 | |
539 | SvIOK_only (sv_result); |
136 | if (req->type == REQ_READ) |
|
|
137 | SvCUR_set (req->data, req->dataoffset |
|
|
138 | + req->result > 0 ? req->result : 0); |
|
|
139 | |
|
|
140 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
|
|
141 | { |
|
|
142 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
143 | PL_laststatval = req->result; |
|
|
144 | PL_statcache = *(req->statdata); |
|
|
145 | } |
|
|
146 | |
|
|
147 | ENTER; |
|
|
148 | PUSHMARK (SP); |
|
|
149 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
150 | |
|
|
151 | if (req->type == REQ_OPEN) |
|
|
152 | { |
|
|
153 | /* convert fd to fh */ |
|
|
154 | SV *fh; |
|
|
155 | |
|
|
156 | PUTBACK; |
|
|
157 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
158 | SPAGAIN; |
|
|
159 | |
|
|
160 | fh = SvREFCNT_inc (POPs); |
|
|
161 | |
|
|
162 | PUSHMARK (SP); |
|
|
163 | XPUSHs (sv_2mortal (fh)); |
|
|
164 | } |
|
|
165 | |
|
|
166 | if (SvOK (req->callback)) |
|
|
167 | { |
|
|
168 | PUTBACK; |
|
|
169 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
170 | SPAGAIN; |
|
|
171 | } |
|
|
172 | |
|
|
173 | LEAVE; |
|
|
174 | |
|
|
175 | do_croak = SvTRUE (ERRSV); |
|
|
176 | |
|
|
177 | errno = errorno; |
|
|
178 | count++; |
|
|
179 | } |
|
|
180 | |
|
|
181 | prv = req; |
|
|
182 | req = req->next; |
|
|
183 | free_req (prv); |
|
|
184 | |
|
|
185 | if (do_croak) |
|
|
186 | croak (0); |
|
|
187 | } |
|
|
188 | |
|
|
189 | return count; |
|
|
190 | } |
|
|
191 | |
|
|
192 | static void *aio_proc(void *arg); |
|
|
193 | |
|
|
194 | static void |
|
|
195 | start_thread (void) |
|
|
196 | { |
|
|
197 | sigset_t fullsigset, oldsigset; |
|
|
198 | pthread_t tid; |
|
|
199 | pthread_attr_t attr; |
|
|
200 | |
|
|
201 | pthread_attr_init (&attr); |
|
|
202 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
203 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
204 | |
|
|
205 | sigfillset (&fullsigset); |
|
|
206 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
207 | |
|
|
208 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
|
|
209 | started++; |
|
|
210 | |
|
|
211 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
212 | } |
|
|
213 | |
|
|
214 | static void |
|
|
215 | send_req (aio_req req) |
|
|
216 | { |
|
|
217 | nreqs++; |
|
|
218 | |
|
|
219 | pthread_mutex_lock (&reqlock); |
|
|
220 | |
|
|
221 | req->next = 0; |
|
|
222 | |
|
|
223 | if (reqe) |
|
|
224 | { |
|
|
225 | reqe->next = req; |
|
|
226 | reqe = req; |
|
|
227 | } |
|
|
228 | else |
|
|
229 | reqe = reqs = req; |
|
|
230 | |
|
|
231 | pthread_cond_signal (&reqwait); |
|
|
232 | pthread_mutex_unlock (&reqlock); |
|
|
233 | |
|
|
234 | while (nreqs > max_outstanding) |
|
|
235 | { |
|
|
236 | poll_wait (); |
|
|
237 | poll_cb (); |
|
|
238 | } |
|
|
239 | } |
|
|
240 | |
|
|
241 | static void |
|
|
242 | end_thread (void) |
|
|
243 | { |
|
|
244 | aio_req req; |
|
|
245 | Newz (0, req, 1, aio_cb); |
|
|
246 | req->type = REQ_QUIT; |
|
|
247 | |
|
|
248 | send_req (req); |
|
|
249 | } |
|
|
250 | |
|
|
251 | |
|
|
252 | static void min_parallel (int nthreads) |
|
|
253 | { |
|
|
254 | while (nthreads > started) |
|
|
255 | start_thread (); |
|
|
256 | } |
|
|
257 | |
|
|
258 | static void max_parallel (int nthreads) |
|
|
259 | { |
|
|
260 | int cur = started; |
|
|
261 | while (cur > nthreads) |
|
|
262 | { |
|
|
263 | end_thread (); |
|
|
264 | cur--; |
|
|
265 | } |
|
|
266 | |
|
|
267 | while (started > nthreads) |
|
|
268 | { |
|
|
269 | poll_wait (); |
|
|
270 | poll_cb (); |
|
|
271 | } |
|
|
272 | } |
|
|
273 | |
|
|
274 | static void create_pipe () |
|
|
275 | { |
|
|
276 | if (pipe (respipe)) |
|
|
277 | croak ("unable to initialize result pipe"); |
|
|
278 | |
|
|
279 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
280 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
281 | |
|
|
282 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
283 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
284 | } |
|
|
285 | |
|
|
286 | static void atfork_prepare (void) |
|
|
287 | { |
|
|
288 | pthread_mutex_lock (&frklock); |
|
|
289 | pthread_mutex_lock (&reqlock); |
|
|
290 | pthread_mutex_lock (&reslock); |
|
|
291 | } |
|
|
292 | |
|
|
293 | static void atfork_parent (void) |
|
|
294 | { |
|
|
295 | pthread_mutex_unlock (&reslock); |
|
|
296 | pthread_mutex_unlock (&reqlock); |
|
|
297 | pthread_mutex_unlock (&frklock); |
|
|
298 | } |
|
|
299 | |
|
|
300 | static void atfork_child (void) |
|
|
301 | { |
|
|
302 | int restart = started; |
|
|
303 | started = 0; |
|
|
304 | |
|
|
305 | while (reqs) |
|
|
306 | { |
|
|
307 | free_req (reqs); |
|
|
308 | reqs = reqs->next; |
|
|
309 | } |
|
|
310 | |
|
|
311 | reqs = reqe = 0; |
|
|
312 | |
|
|
313 | while (ress) |
|
|
314 | { |
|
|
315 | free_req (ress); |
|
|
316 | ress = ress->next; |
|
|
317 | } |
|
|
318 | |
|
|
319 | ress = rese = 0; |
|
|
320 | |
|
|
321 | close (respipe [0]); |
|
|
322 | close (respipe [1]); |
|
|
323 | |
|
|
324 | create_pipe (); |
|
|
325 | |
|
|
326 | atfork_parent (); |
|
|
327 | |
|
|
328 | min_parallel (restart); |
|
|
329 | } |
|
|
330 | |
|
|
331 | /*****************************************************************************/ |
|
|
332 | /* work around various missing functions */ |
|
|
333 | |
|
|
334 | #if !HAVE_PREADWRITE |
|
|
335 | # define pread aio_pread |
|
|
336 | # define pwrite aio_pwrite |
|
|
337 | |
|
|
338 | /* |
|
|
339 | * make our pread/pwrite safe against themselves, but not against |
|
|
340 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
341 | * but that's your problem, not mine. |
|
|
342 | */ |
|
|
343 | static pthread_mutex_t iolock = PTHREAD_MUTEX_INITIALIZER; |
|
|
344 | |
|
|
345 | static ssize_t |
|
|
346 | pread (int fd, void *buf, size_t count, off_t offset) |
|
|
347 | { |
|
|
348 | ssize_t res; |
|
|
349 | off_t ooffset; |
|
|
350 | |
|
|
351 | pthread_mutex_lock (&iolock); |
|
|
352 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
353 | lseek (fd, offset, SEEK_SET); |
|
|
354 | res = read (fd, buf, count); |
|
|
355 | lseek (fd, ooffset, SEEK_SET); |
|
|
356 | pthread_mutex_unlock (&iolock); |
|
|
357 | |
|
|
358 | return res; |
|
|
359 | } |
|
|
360 | |
|
|
361 | static ssize_t |
|
|
362 | pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
363 | { |
|
|
364 | ssize_t res; |
|
|
365 | off_t ooffset; |
|
|
366 | |
|
|
367 | pthread_mutex_lock (&iolock); |
|
|
368 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
369 | lseek (fd, offset, SEEK_SET); |
|
|
370 | res = write (fd, buf, count); |
|
|
371 | lseek (fd, offset, SEEK_SET); |
|
|
372 | pthread_mutex_unlock (&iolock); |
|
|
373 | |
|
|
374 | return res; |
|
|
375 | } |
|
|
376 | #endif |
|
|
377 | |
|
|
378 | #if !HAVE_FDATASYNC |
|
|
379 | # define fdatasync fsync |
|
|
380 | #endif |
|
|
381 | |
|
|
382 | #if !HAVE_READAHEAD |
|
|
383 | # define readahead aio_readahead |
|
|
384 | |
|
|
385 | static char readahead_buf[4096]; |
|
|
386 | |
|
|
387 | static ssize_t |
|
|
388 | readahead (int fd, off_t offset, size_t count) |
|
|
389 | { |
|
|
390 | while (count > 0) |
|
|
391 | { |
|
|
392 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
|
|
393 | |
|
|
394 | pread (fd, readahead_buf, len, offset); |
|
|
395 | offset += len; |
|
|
396 | count -= len; |
|
|
397 | } |
|
|
398 | |
|
|
399 | errno = 0; |
|
|
400 | } |
|
|
401 | #endif |
|
|
402 | |
|
|
403 | /*****************************************************************************/ |
|
|
404 | |
|
|
405 | static void * |
|
|
406 | aio_proc (void *thr_arg) |
|
|
407 | { |
|
|
408 | aio_req req; |
|
|
409 | int type; |
|
|
410 | |
|
|
411 | do |
|
|
412 | { |
|
|
413 | pthread_mutex_lock (&reqlock); |
|
|
414 | |
|
|
415 | for (;;) |
|
|
416 | { |
|
|
417 | req = reqs; |
|
|
418 | |
|
|
419 | if (reqs) |
|
|
420 | { |
|
|
421 | reqs = reqs->next; |
|
|
422 | if (!reqs) reqe = 0; |
|
|
423 | } |
|
|
424 | |
|
|
425 | if (req) |
|
|
426 | break; |
|
|
427 | |
|
|
428 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
429 | } |
|
|
430 | |
|
|
431 | pthread_mutex_unlock (&reqlock); |
|
|
432 | |
|
|
433 | errno = 0; /* strictly unnecessary */ |
|
|
434 | |
|
|
435 | type = req->type; |
|
|
436 | |
|
|
437 | switch (type) |
|
|
438 | { |
|
|
439 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
440 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
441 | |
|
|
442 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
443 | |
|
|
444 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
445 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
446 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
447 | |
|
|
448 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
449 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
450 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
451 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
452 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
453 | |
|
|
454 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
455 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
456 | |
|
|
457 | case REQ_QUIT: |
|
|
458 | break; |
|
|
459 | |
|
|
460 | default: |
|
|
461 | req->result = ENOSYS; |
|
|
462 | break; |
|
|
463 | } |
|
|
464 | |
|
|
465 | req->errorno = errno; |
|
|
466 | |
|
|
467 | pthread_mutex_lock (&reslock); |
|
|
468 | |
|
|
469 | req->next = 0; |
|
|
470 | |
|
|
471 | if (rese) |
|
|
472 | { |
|
|
473 | rese->next = req; |
|
|
474 | rese = req; |
|
|
475 | } |
540 | } |
476 | else |
541 | else |
477 | { |
542 | { |
478 | rese = ress = req; |
543 | sv_result = newSViv (req->result); |
479 | |
544 | SvREADONLY_on (sv_result); |
480 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
481 | write (respipe [1], &respipe, 1); |
|
|
482 | } |
545 | } |
483 | |
546 | |
484 | pthread_mutex_unlock (&reslock); |
547 | switch (req->type) |
|
|
548 | { |
|
|
549 | case EIO_WD_OPEN: |
|
|
550 | PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd))); |
|
|
551 | break; |
|
|
552 | |
|
|
553 | case EIO_READDIR: |
|
|
554 | { |
|
|
555 | SV *rv = &PL_sv_undef; |
|
|
556 | |
|
|
557 | if (req->result >= 0) |
|
|
558 | { |
|
|
559 | int i; |
|
|
560 | char *names = (char *)req->ptr2; |
|
|
561 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
|
|
562 | AV *av = newAV (); |
|
|
563 | |
|
|
564 | av_extend (av, req->result - 1); |
|
|
565 | |
|
|
566 | for (i = 0; i < req->result; ++i) |
|
|
567 | { |
|
|
568 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
569 | { |
|
|
570 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
|
|
571 | |
|
|
572 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
573 | { |
|
|
574 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
575 | AV *avent = newAV (); |
|
|
576 | |
|
|
577 | av_extend (avent, 2); |
|
|
578 | |
|
|
579 | if (!sv_type [ent->type]) |
|
|
580 | { |
|
|
581 | sv_type [ent->type] = newSViv (ent->type); |
|
|
582 | SvREADONLY_on (sv_type [ent->type]); |
|
|
583 | } |
|
|
584 | |
|
|
585 | av_store (avent, 0, namesv); |
|
|
586 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
587 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
588 | |
|
|
589 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
590 | } |
|
|
591 | else |
|
|
592 | av_store (av, i, namesv); |
|
|
593 | |
|
|
594 | ++ent; |
|
|
595 | } |
|
|
596 | else |
|
|
597 | { |
|
|
598 | SV *name = newSVpv (names, 0); |
|
|
599 | av_store (av, i, name); |
|
|
600 | names += SvCUR (name) + 1; |
|
|
601 | } |
|
|
602 | } |
|
|
603 | |
|
|
604 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
|
605 | } |
|
|
606 | |
|
|
607 | PUSHs (rv); |
|
|
608 | |
|
|
609 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
610 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
|
|
611 | } |
|
|
612 | break; |
|
|
613 | |
|
|
614 | case EIO_OPEN: |
|
|
615 | PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR))); |
|
|
616 | break; |
|
|
617 | |
|
|
618 | case EIO_STATVFS: |
|
|
619 | case EIO_FSTATVFS: |
|
|
620 | { |
|
|
621 | SV *rv = &PL_sv_undef; |
|
|
622 | |
|
|
623 | #ifndef _WIN32 |
|
|
624 | if (req->result >= 0) |
|
|
625 | { |
|
|
626 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
627 | HV *hv = newHV (); |
|
|
628 | /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom |
|
|
629 | * chooses to make it a struct. |
|
|
630 | */ |
|
|
631 | unsigned long fsid = 0; |
|
|
632 | memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid)); |
|
|
633 | |
|
|
634 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
|
|
635 | |
|
|
636 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
|
|
637 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
638 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
639 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
640 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
641 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
642 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
643 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
644 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0); |
|
|
645 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
646 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
647 | } |
|
|
648 | #endif |
|
|
649 | |
|
|
650 | PUSHs (rv); |
|
|
651 | } |
|
|
652 | |
|
|
653 | break; |
|
|
654 | |
|
|
655 | case EIO_GROUP: |
|
|
656 | req->int1 = 2; /* mark group as finished */ |
|
|
657 | |
|
|
658 | if (req->sv1) |
|
|
659 | { |
|
|
660 | int i; |
|
|
661 | AV *av = (AV *)req->sv1; |
|
|
662 | |
|
|
663 | EXTEND (SP, AvFILL (av) + 1); |
|
|
664 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
665 | PUSHs (*av_fetch (av, i, 0)); |
|
|
666 | } |
|
|
667 | break; |
|
|
668 | |
|
|
669 | case EIO_NOP: |
|
|
670 | case EIO_BUSY: |
|
|
671 | break; |
|
|
672 | |
|
|
673 | case EIO_READLINK: |
|
|
674 | case EIO_REALPATH: |
|
|
675 | if (req->result > 0) |
|
|
676 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
677 | break; |
|
|
678 | |
|
|
679 | case EIO_STAT: |
|
|
680 | case EIO_LSTAT: |
|
|
681 | case EIO_FSTAT: |
|
|
682 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
683 | |
|
|
684 | if (!(PL_laststatval = req->result)) |
|
|
685 | /* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
|
|
686 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
687 | |
|
|
688 | PUSHs (sv_result); |
|
|
689 | break; |
|
|
690 | |
|
|
691 | case EIO_SEEK: |
|
|
692 | PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs))); |
|
|
693 | break; |
|
|
694 | |
|
|
695 | case EIO_READ: |
|
|
696 | { |
|
|
697 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
698 | *SvEND (req->sv2) = 0; |
|
|
699 | SvPOK_only (req->sv2); |
|
|
700 | SvSETMAGIC (req->sv2); |
|
|
701 | PUSHs (sv_result); |
|
|
702 | } |
|
|
703 | break; |
|
|
704 | |
|
|
705 | case EIO_SLURP: |
|
|
706 | { |
|
|
707 | if (req->result >= 0) |
|
|
708 | { |
|
|
709 | /* if length was originally not known, we steal the malloc'ed memory */ |
|
|
710 | if (req->flags & EIO_FLAG_PTR2_FREE) |
|
|
711 | { |
|
|
712 | req->flags &= ~EIO_FLAG_PTR2_FREE; |
|
|
713 | sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result); |
|
|
714 | } |
|
|
715 | else |
|
|
716 | { |
|
|
717 | SvCUR_set (req->sv2, req->result); |
|
|
718 | *SvEND (req->sv2) = 0; |
|
|
719 | SvPOK_only (req->sv2); |
|
|
720 | } |
|
|
721 | |
|
|
722 | SvSETMAGIC (req->sv2); |
|
|
723 | } |
|
|
724 | |
|
|
725 | PUSHs (sv_result); |
|
|
726 | } |
|
|
727 | break; |
|
|
728 | |
|
|
729 | case EIO_CUSTOM: |
|
|
730 | if (req->feed == fiemap) |
|
|
731 | { |
|
|
732 | #if HAVE_FIEMAP |
|
|
733 | if (!req->result) |
|
|
734 | { |
|
|
735 | struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
|
|
736 | |
|
|
737 | if (fiemap->fm_extent_count) |
|
|
738 | { |
|
|
739 | AV *av = newAV (); |
|
|
740 | int i; |
|
|
741 | |
|
|
742 | while (fiemap->fm_mapped_extents) |
|
|
743 | { |
|
|
744 | struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents]; |
|
|
745 | AV *ext_av = newAV (); |
|
|
746 | |
|
|
747 | av_store (ext_av, 3, newSVuv (extent->fe_flags)); |
|
|
748 | av_store (ext_av, 2, newSVval64 (extent->fe_length)); |
|
|
749 | av_store (ext_av, 1, newSVval64 (extent->fe_physical)); |
|
|
750 | av_store (ext_av, 0, newSVval64 (extent->fe_logical)); |
|
|
751 | |
|
|
752 | av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av)); |
|
|
753 | } |
|
|
754 | |
|
|
755 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
756 | } |
|
|
757 | else |
|
|
758 | { |
|
|
759 | SvIV_set (sv_result, fiemap->fm_mapped_extents); |
|
|
760 | PUSHs (sv_result); |
|
|
761 | } |
|
|
762 | } |
|
|
763 | #endif |
|
|
764 | } |
|
|
765 | else |
|
|
766 | PUSHs (sv_result); |
|
|
767 | break; |
|
|
768 | |
|
|
769 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
|
|
770 | if (req->result > 0) |
|
|
771 | SvIV_set (sv_result, 0); |
|
|
772 | /* FALLTHROUGH */ |
|
|
773 | |
|
|
774 | default: |
|
|
775 | PUSHs (sv_result); |
|
|
776 | break; |
|
|
777 | } |
|
|
778 | |
|
|
779 | errno = req->errorno; |
|
|
780 | |
|
|
781 | PUTBACK; |
|
|
782 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
|
|
783 | SPAGAIN; |
|
|
784 | |
|
|
785 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
786 | SvREFCNT_dec (sv_result); |
|
|
787 | else |
|
|
788 | sv_result_cache = sv_result; |
|
|
789 | |
|
|
790 | FREETMPS; |
|
|
791 | LEAVE; |
|
|
792 | |
|
|
793 | PUTBACK; |
485 | } |
794 | } |
486 | while (type != REQ_QUIT); |
|
|
487 | |
795 | |
|
|
796 | return !!SvTRUE (ERRSV); |
|
|
797 | } |
|
|
798 | |
|
|
799 | static void |
|
|
800 | req_destroy (aio_req req) |
|
|
801 | { |
|
|
802 | if (req->self) |
|
|
803 | { |
|
|
804 | sv_unmagic (req->self, PERL_MAGIC_ext); |
|
|
805 | SvREFCNT_dec (req->self); |
|
|
806 | } |
|
|
807 | |
|
|
808 | SvREFCNT_dec (req->sv1); |
|
|
809 | SvREFCNT_dec (req->sv2); |
|
|
810 | SvREFCNT_dec (req->sv3); |
|
|
811 | SvREFCNT_dec (req->sv4); |
|
|
812 | SvREFCNT_dec (req->callback); |
|
|
813 | |
|
|
814 | free (req); |
|
|
815 | } |
|
|
816 | |
|
|
817 | static void |
|
|
818 | req_cancel_subs (aio_req grp) |
|
|
819 | { |
|
|
820 | if (grp->type != EIO_GROUP) |
|
|
821 | return; |
|
|
822 | |
|
|
823 | SvREFCNT_dec (grp->sv2); |
|
|
824 | grp->sv2 = 0; |
|
|
825 | |
|
|
826 | eio_grp_cancel (grp); |
|
|
827 | } |
|
|
828 | |
|
|
829 | static void ecb_cold |
|
|
830 | create_respipe (void) |
|
|
831 | { |
|
|
832 | if (s_epipe_renew (&respipe)) |
|
|
833 | croak ("IO::AIO: unable to initialize result pipe"); |
|
|
834 | } |
|
|
835 | |
|
|
836 | static void |
|
|
837 | poll_wait (void) |
|
|
838 | { |
|
|
839 | while (eio_nreqs ()) |
|
|
840 | { |
|
|
841 | int size; |
|
|
842 | |
|
|
843 | X_LOCK (EIO_POOL->reslock); |
|
|
844 | size = EIO_POOL->res_queue.size; |
|
|
845 | X_UNLOCK (EIO_POOL->reslock); |
|
|
846 | |
|
|
847 | if (size) |
|
|
848 | return; |
|
|
849 | |
|
|
850 | etp_maybe_start_thread (EIO_POOL); |
|
|
851 | |
|
|
852 | s_epipe_wait (&respipe); |
|
|
853 | } |
|
|
854 | } |
|
|
855 | |
|
|
856 | static int |
|
|
857 | poll_cb (void) |
|
|
858 | { |
|
|
859 | for (;;) |
|
|
860 | { |
|
|
861 | int res = eio_poll (); |
|
|
862 | |
|
|
863 | if (res > 0) |
|
|
864 | croak (0); |
|
|
865 | |
|
|
866 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
867 | return res; |
|
|
868 | |
|
|
869 | poll_wait (); |
|
|
870 | } |
|
|
871 | } |
|
|
872 | |
|
|
873 | static void ecb_cold |
|
|
874 | reinit (void) |
|
|
875 | { |
|
|
876 | create_respipe (); |
|
|
877 | |
|
|
878 | if (eio_init (want_poll, done_poll) < 0) |
|
|
879 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
880 | } |
|
|
881 | |
|
|
882 | /*****************************************************************************/ |
|
|
883 | |
|
|
884 | static SV * |
|
|
885 | get_cb (SV *cb_sv) |
|
|
886 | { |
|
|
887 | SvGETMAGIC (cb_sv); |
|
|
888 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
|
|
889 | } |
|
|
890 | |
|
|
891 | static aio_req ecb_noinline |
|
|
892 | dreq (SV *callback) |
|
|
893 | { |
|
|
894 | SV *cb_cv; |
|
|
895 | aio_req req; |
|
|
896 | int req_pri = next_pri; |
|
|
897 | next_pri = EIO_PRI_DEFAULT; |
|
|
898 | |
|
|
899 | cb_cv = get_cb (callback); |
|
|
900 | |
|
|
901 | req = calloc (sizeof (*req), 1); |
|
|
902 | if (!req) |
|
|
903 | croak ("out of memory during eio_req allocation"); |
|
|
904 | |
|
|
905 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
906 | req->pri = req_pri; |
|
|
907 | |
488 | return 0; |
908 | return req; |
489 | } |
909 | } |
490 | |
910 | |
491 | #define dREQ \ |
911 | #define dREQ \ |
492 | aio_req req; \ |
912 | aio_req req = dreq (callback); \ |
|
|
913 | |
|
|
914 | #define REQ_SEND \ |
|
|
915 | PUTBACK; \ |
|
|
916 | req_submit (req); \ |
|
|
917 | SPAGAIN; \ |
493 | \ |
918 | \ |
494 | if (SvOK (callback) && !SvROK (callback)) \ |
919 | if (GIMME_V != G_VOID) \ |
495 | croak ("clalback must be undef or of reference type"); \ |
920 | XPUSHs (req_sv (req, aio_req_stash)); |
496 | \ |
921 | |
497 | Newz (0, req, 1, aio_cb); \ |
922 | ecb_inline void |
498 | if (!req) \ |
923 | req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
499 | croak ("out of memory during aio_req allocation"); \ |
924 | { |
500 | \ |
925 | if (expect_false (SvROK (path))) |
501 | req->callback = SvREFCNT_inc (callback); |
926 | { |
502 | |
927 | SV *rv = SvRV (path); |
|
|
928 | SV *wdob; |
|
|
929 | |
|
|
930 | if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) |
|
|
931 | { |
|
|
932 | path = AvARRAY (rv)[1]; |
|
|
933 | wdob = AvARRAY (rv)[0]; |
|
|
934 | |
|
|
935 | if (SvOK (wdob)) |
|
|
936 | { |
|
|
937 | *wd = SvAIO_WD (wdob); |
|
|
938 | *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
|
|
939 | } |
|
|
940 | else |
|
|
941 | *wd = EIO_INVALID_WD; |
|
|
942 | } |
|
|
943 | else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) |
|
|
944 | { |
|
|
945 | *wd = (aio_wd)(long)SvIVX (rv); |
|
|
946 | *wdsv = SvREFCNT_inc_NN (rv); |
|
|
947 | *ptr = "."; |
|
|
948 | return; /* path set to "." */ |
|
|
949 | } |
|
|
950 | else |
|
|
951 | croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); |
|
|
952 | } |
|
|
953 | |
|
|
954 | *pathsv = newSVsv (path); |
|
|
955 | *ptr = SvPVbyte_nolen (*pathsv); |
|
|
956 | } |
|
|
957 | |
|
|
958 | static void ecb_noinline |
|
|
959 | req_set_path1 (aio_req req, SV *path) |
|
|
960 | { |
|
|
961 | req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
|
|
962 | } |
|
|
963 | |
|
|
964 | static void ecb_noinline |
|
|
965 | req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
|
|
966 | { |
|
|
967 | SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
|
|
968 | |
|
|
969 | switch (SvTYPE (rv)) |
|
|
970 | { |
|
|
971 | case SVt_PVIO: |
|
|
972 | case SVt_PVLV: |
|
|
973 | case SVt_PVGV: |
|
|
974 | req->type = type_fh; |
|
|
975 | req->sv1 = newSVsv (fh_or_path); |
|
|
976 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
977 | break; |
|
|
978 | |
|
|
979 | default: |
|
|
980 | req->type = type_path; |
|
|
981 | req_set_path1 (req, fh_or_path); |
|
|
982 | break; |
|
|
983 | } |
|
|
984 | } |
|
|
985 | |
|
|
986 | /*****************************************************************************/ |
|
|
987 | |
|
|
988 | static void |
|
|
989 | ts_set (struct timespec *ts, NV value) |
|
|
990 | { |
|
|
991 | ts->tv_sec = value; |
|
|
992 | ts->tv_nsec = (value - ts->tv_sec) * 1e9; |
|
|
993 | } |
|
|
994 | |
|
|
995 | static NV |
|
|
996 | ts_get (const struct timespec *ts) |
|
|
997 | { |
|
|
998 | return ts->tv_sec + ts->tv_nsec * 1e-9; |
|
|
999 | } |
|
|
1000 | |
|
|
1001 | /*****************************************************************************/ |
|
|
1002 | |
|
|
1003 | XS(boot_IO__AIO) ecb_cold; |
|
|
1004 | |
503 | MODULE = IO::AIO PACKAGE = IO::AIO |
1005 | MODULE = IO::AIO PACKAGE = IO::AIO |
504 | |
1006 | |
505 | PROTOTYPES: ENABLE |
1007 | PROTOTYPES: ENABLE |
506 | |
1008 | |
507 | BOOT: |
1009 | BOOT: |
508 | { |
1010 | { |
509 | create_pipe (); |
1011 | static const struct { |
510 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1012 | const char *name; |
511 | } |
1013 | IV iv; |
|
|
1014 | } *civ, const_iv[] = { |
|
|
1015 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
1016 | # define const_iv(name) { # name, (IV) name }, |
|
|
1017 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
512 | |
1018 | |
|
|
1019 | /* you have to re-run ./gendef0 after adding/removing any constants here */ |
|
|
1020 | /* the first block can be undef if missing */ |
|
|
1021 | const_iv (ENOSYS) |
|
|
1022 | const_iv (EXDEV) |
|
|
1023 | const_iv (EBADR) |
|
|
1024 | |
|
|
1025 | /* for lseek */ |
|
|
1026 | const_iv (SEEK_DATA) |
|
|
1027 | const_iv (SEEK_HOLE) |
|
|
1028 | |
|
|
1029 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
1030 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
1031 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
1032 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
1033 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
1034 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
1035 | |
|
|
1036 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
1037 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
1038 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
1039 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
1040 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
1041 | |
|
|
1042 | /* the second block will be 0 when missing */ |
|
|
1043 | const_iv (O_RDONLY) |
|
|
1044 | const_iv (O_WRONLY) |
|
|
1045 | const_iv (O_RDWR) |
|
|
1046 | const_iv (O_CREAT) |
|
|
1047 | const_iv (O_TRUNC) |
|
|
1048 | const_iv (O_EXCL) |
|
|
1049 | const_iv (O_APPEND) |
|
|
1050 | |
|
|
1051 | const_iv (O_ASYNC) |
|
|
1052 | const_iv (O_DIRECT) |
|
|
1053 | const_iv (O_NOATIME) |
|
|
1054 | |
|
|
1055 | const_iv (O_CLOEXEC) |
|
|
1056 | const_iv (O_NOCTTY) |
|
|
1057 | const_iv (O_NOFOLLOW) |
|
|
1058 | const_iv (O_NONBLOCK) |
|
|
1059 | const_iv (O_EXEC) |
|
|
1060 | const_iv (O_SEARCH) |
|
|
1061 | const_iv (O_DIRECTORY) |
|
|
1062 | const_iv (O_DSYNC) |
|
|
1063 | const_iv (O_RSYNC) |
|
|
1064 | const_iv (O_SYNC) |
|
|
1065 | const_iv (O_PATH) |
|
|
1066 | const_iv (O_TMPFILE) |
|
|
1067 | const_iv (O_TTY_INIT) |
|
|
1068 | |
|
|
1069 | const_iv (S_IFIFO) |
|
|
1070 | const_iv (S_IFCHR) |
|
|
1071 | const_iv (S_IFBLK) |
|
|
1072 | const_iv (S_IFLNK) |
|
|
1073 | const_iv (S_IFREG) |
|
|
1074 | const_iv (S_IFDIR) |
|
|
1075 | const_iv (S_IFWHT) |
|
|
1076 | const_iv (S_IFSOCK) |
|
|
1077 | const_iv (S_IFMT) |
|
|
1078 | |
|
|
1079 | const_iv (ST_RDONLY) |
|
|
1080 | const_iv (ST_NOSUID) |
|
|
1081 | const_iv (ST_NODEV) |
|
|
1082 | const_iv (ST_NOEXEC) |
|
|
1083 | const_iv (ST_SYNCHRONOUS) |
|
|
1084 | const_iv (ST_MANDLOCK) |
|
|
1085 | const_iv (ST_WRITE) |
|
|
1086 | const_iv (ST_APPEND) |
|
|
1087 | const_iv (ST_IMMUTABLE) |
|
|
1088 | const_iv (ST_NOATIME) |
|
|
1089 | const_iv (ST_NODIRATIME) |
|
|
1090 | const_iv (ST_RELATIME) |
|
|
1091 | |
|
|
1092 | const_iv (PROT_NONE) |
|
|
1093 | const_iv (PROT_EXEC) |
|
|
1094 | const_iv (PROT_READ) |
|
|
1095 | const_iv (PROT_WRITE) |
|
|
1096 | |
|
|
1097 | const_iv (MAP_PRIVATE) |
|
|
1098 | const_iv (MAP_SHARED) |
|
|
1099 | const_iv (MAP_FIXED) |
|
|
1100 | const_iv (MAP_ANONYMOUS) |
|
|
1101 | |
|
|
1102 | /* linuxish */ |
|
|
1103 | const_iv (MAP_LOCKED) |
|
|
1104 | const_iv (MAP_NORESERVE) |
|
|
1105 | const_iv (MAP_POPULATE) |
|
|
1106 | const_iv (MAP_NONBLOCK) |
|
|
1107 | const_iv (MAP_GROWSDOWN) |
|
|
1108 | const_iv (MAP_32BIT) |
|
|
1109 | const_iv (MAP_HUGETLB) |
|
|
1110 | const_iv (MAP_STACK) |
|
|
1111 | |
|
|
1112 | const_iv (MREMAP_MAYMOVE) |
|
|
1113 | const_iv (MREMAP_FIXED) |
|
|
1114 | |
|
|
1115 | const_iv (F_DUPFD_CLOEXEC) |
|
|
1116 | |
|
|
1117 | const_iv (F_OFD_GETLK) |
|
|
1118 | const_iv (F_OFD_SETLK) |
|
|
1119 | const_iv (F_OFD_GETLKW) |
|
|
1120 | |
|
|
1121 | const_iv (FIFREEZE) |
|
|
1122 | const_iv (FITHAW) |
|
|
1123 | const_iv (FITRIM) |
|
|
1124 | const_iv (FICLONE) |
|
|
1125 | const_iv (FICLONERANGE) |
|
|
1126 | const_iv (FIDEDUPERANGE) |
|
|
1127 | |
|
|
1128 | const_iv (FS_IOC_GETFLAGS) |
|
|
1129 | const_iv (FS_IOC_SETFLAGS) |
|
|
1130 | const_iv (FS_IOC_GETVERSION) |
|
|
1131 | const_iv (FS_IOC_SETVERSION) |
|
|
1132 | const_iv (FS_IOC_FIEMAP) |
|
|
1133 | const_iv (FS_IOC_FSGETXATTR) |
|
|
1134 | const_iv (FS_IOC_FSSETXATTR) |
|
|
1135 | const_iv (FS_IOC_SET_ENCRYPTION_POLICY) |
|
|
1136 | const_iv (FS_IOC_GET_ENCRYPTION_PWSALT) |
|
|
1137 | const_iv (FS_IOC_GET_ENCRYPTION_POLICY) |
|
|
1138 | |
|
|
1139 | const_iv (FS_KEY_DESCRIPTOR_SIZE) |
|
|
1140 | |
|
|
1141 | const_iv (FS_SECRM_FL) |
|
|
1142 | const_iv (FS_UNRM_FL) |
|
|
1143 | const_iv (FS_COMPR_FL) |
|
|
1144 | const_iv (FS_SYNC_FL) |
|
|
1145 | const_iv (FS_IMMUTABLE_FL) |
|
|
1146 | const_iv (FS_APPEND_FL) |
|
|
1147 | const_iv (FS_NODUMP_FL) |
|
|
1148 | const_iv (FS_NOATIME_FL) |
|
|
1149 | const_iv (FS_DIRTY_FL) |
|
|
1150 | const_iv (FS_COMPRBLK_FL) |
|
|
1151 | const_iv (FS_NOCOMP_FL) |
|
|
1152 | const_iv (FS_ENCRYPT_FL) |
|
|
1153 | const_iv (FS_BTREE_FL) |
|
|
1154 | const_iv (FS_INDEX_FL) |
|
|
1155 | const_iv (FS_JOURNAL_DATA_FL) |
|
|
1156 | const_iv (FS_NOTAIL_FL) |
|
|
1157 | const_iv (FS_DIRSYNC_FL) |
|
|
1158 | const_iv (FS_TOPDIR_FL) |
|
|
1159 | const_iv (FS_FL_USER_MODIFIABLE) |
|
|
1160 | |
|
|
1161 | const_iv (FS_XFLAG_REALTIME) |
|
|
1162 | const_iv (FS_XFLAG_PREALLOC) |
|
|
1163 | const_iv (FS_XFLAG_IMMUTABLE) |
|
|
1164 | const_iv (FS_XFLAG_APPEND) |
|
|
1165 | const_iv (FS_XFLAG_SYNC) |
|
|
1166 | const_iv (FS_XFLAG_NOATIME) |
|
|
1167 | const_iv (FS_XFLAG_NODUMP) |
|
|
1168 | const_iv (FS_XFLAG_RTINHERIT) |
|
|
1169 | const_iv (FS_XFLAG_PROJINHERIT) |
|
|
1170 | const_iv (FS_XFLAG_NOSYMLINKS) |
|
|
1171 | const_iv (FS_XFLAG_EXTSIZE) |
|
|
1172 | const_iv (FS_XFLAG_EXTSZINHERIT) |
|
|
1173 | const_iv (FS_XFLAG_NODEFRAG) |
|
|
1174 | const_iv (FS_XFLAG_FILESTREAM) |
|
|
1175 | const_iv (FS_XFLAG_DAX) |
|
|
1176 | const_iv (FS_XFLAG_HASATTR) |
|
|
1177 | |
|
|
1178 | const_iv (FIEMAP_FLAG_SYNC) |
|
|
1179 | const_iv (FIEMAP_FLAG_XATTR) |
|
|
1180 | const_iv (FIEMAP_FLAGS_COMPAT) |
|
|
1181 | const_iv (FIEMAP_EXTENT_LAST) |
|
|
1182 | const_iv (FIEMAP_EXTENT_UNKNOWN) |
|
|
1183 | const_iv (FIEMAP_EXTENT_DELALLOC) |
|
|
1184 | const_iv (FIEMAP_EXTENT_ENCODED) |
|
|
1185 | const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) |
|
|
1186 | const_iv (FIEMAP_EXTENT_NOT_ALIGNED) |
|
|
1187 | const_iv (FIEMAP_EXTENT_DATA_INLINE) |
|
|
1188 | const_iv (FIEMAP_EXTENT_DATA_TAIL) |
|
|
1189 | const_iv (FIEMAP_EXTENT_UNWRITTEN) |
|
|
1190 | const_iv (FIEMAP_EXTENT_MERGED) |
|
|
1191 | const_iv (FIEMAP_EXTENT_SHARED) |
|
|
1192 | |
|
|
1193 | const_iv (SPLICE_F_MOVE) |
|
|
1194 | const_iv (SPLICE_F_NONBLOCK) |
|
|
1195 | const_iv (SPLICE_F_MORE) |
|
|
1196 | const_iv (SPLICE_F_GIFT) |
|
|
1197 | |
|
|
1198 | const_iv (EFD_CLOEXEC) |
|
|
1199 | const_iv (EFD_NONBLOCK) |
|
|
1200 | const_iv (EFD_SEMAPHORE) |
|
|
1201 | |
|
|
1202 | const_iv (CLOCK_REALTIME) |
|
|
1203 | const_iv (CLOCK_MONOTONIC) |
|
|
1204 | const_iv (CLOCK_BOOTTIME) |
|
|
1205 | const_iv (CLOCK_REALTIME_ALARM) |
|
|
1206 | const_iv (CLOCK_BOOTTIME_ALARM) |
|
|
1207 | |
|
|
1208 | const_iv (TFD_NONBLOCK) |
|
|
1209 | const_iv (TFD_CLOEXEC) |
|
|
1210 | |
|
|
1211 | const_iv (TFD_TIMER_ABSTIME) |
|
|
1212 | const_iv (TFD_TIMER_CANCEL_ON_SET) |
|
|
1213 | |
|
|
1214 | /* these are libeio constants, and are independent of gendef0 */ |
|
|
1215 | const_eio (SEEK_SET) |
|
|
1216 | const_eio (SEEK_CUR) |
|
|
1217 | const_eio (SEEK_END) |
|
|
1218 | |
|
|
1219 | const_eio (MCL_FUTURE) |
|
|
1220 | const_eio (MCL_CURRENT) |
|
|
1221 | |
|
|
1222 | const_eio (MS_ASYNC) |
|
|
1223 | const_eio (MS_INVALIDATE) |
|
|
1224 | const_eio (MS_SYNC) |
|
|
1225 | |
|
|
1226 | const_eio (MT_MODIFY) |
|
|
1227 | |
|
|
1228 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
1229 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
1230 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
1231 | |
|
|
1232 | const_eio (FALLOC_FL_KEEP_SIZE) |
|
|
1233 | const_eio (FALLOC_FL_PUNCH_HOLE) |
|
|
1234 | const_eio (FALLOC_FL_COLLAPSE_RANGE) |
|
|
1235 | const_eio (FALLOC_FL_ZERO_RANGE) |
|
|
1236 | const_eio (FALLOC_FL_INSERT_RANGE) |
|
|
1237 | const_eio (FALLOC_FL_UNSHARE_RANGE) |
|
|
1238 | |
|
|
1239 | const_eio (RENAME_NOREPLACE) |
|
|
1240 | const_eio (RENAME_EXCHANGE) |
|
|
1241 | const_eio (RENAME_WHITEOUT) |
|
|
1242 | |
|
|
1243 | const_eio (READDIR_DENTS) |
|
|
1244 | const_eio (READDIR_DIRS_FIRST) |
|
|
1245 | const_eio (READDIR_STAT_ORDER) |
|
|
1246 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
1247 | |
|
|
1248 | const_eio (DT_UNKNOWN) |
|
|
1249 | const_eio (DT_FIFO) |
|
|
1250 | const_eio (DT_CHR) |
|
|
1251 | const_eio (DT_DIR) |
|
|
1252 | const_eio (DT_BLK) |
|
|
1253 | const_eio (DT_REG) |
|
|
1254 | const_eio (DT_LNK) |
|
|
1255 | const_eio (DT_SOCK) |
|
|
1256 | const_eio (DT_WHT) |
|
|
1257 | }; |
|
|
1258 | |
|
|
1259 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
1260 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
1261 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
|
|
1262 | aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
|
|
1263 | |
|
|
1264 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
|
|
1265 | newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
|
|
1266 | |
|
|
1267 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
|
|
1268 | |
|
|
1269 | reinit (); |
|
|
1270 | } |
|
|
1271 | |
513 | void |
1272 | void |
514 | min_parallel(nthreads) |
1273 | reinit () |
515 | int nthreads |
1274 | PROTOTYPE: |
|
|
1275 | |
|
|
1276 | void |
|
|
1277 | max_poll_reqs (unsigned int nreqs) |
516 | PROTOTYPE: $ |
1278 | PROTOTYPE: $ |
|
|
1279 | CODE: |
|
|
1280 | eio_set_max_poll_reqs (nreqs); |
517 | |
1281 | |
518 | void |
1282 | void |
519 | max_parallel(nthreads) |
1283 | max_poll_time (double nseconds) |
520 | int nthreads |
|
|
521 | PROTOTYPE: $ |
1284 | PROTOTYPE: $ |
522 | |
|
|
523 | int |
|
|
524 | max_outstanding(nreqs) |
|
|
525 | int nreqs |
|
|
526 | PROTOTYPE: $ |
|
|
527 | CODE: |
1285 | CODE: |
528 | RETVAL = max_outstanding; |
1286 | eio_set_max_poll_time (nseconds); |
|
|
1287 | |
|
|
1288 | void |
|
|
1289 | min_parallel (unsigned int nthreads) |
|
|
1290 | PROTOTYPE: $ |
|
|
1291 | CODE: |
|
|
1292 | eio_set_min_parallel (nthreads); |
|
|
1293 | |
|
|
1294 | void |
|
|
1295 | max_parallel (unsigned int nthreads) |
|
|
1296 | PROTOTYPE: $ |
|
|
1297 | CODE: |
|
|
1298 | eio_set_max_parallel (nthreads); |
|
|
1299 | |
|
|
1300 | void |
|
|
1301 | max_idle (unsigned int nthreads) |
|
|
1302 | PROTOTYPE: $ |
|
|
1303 | CODE: |
|
|
1304 | eio_set_max_idle (nthreads); |
|
|
1305 | |
|
|
1306 | void |
|
|
1307 | idle_timeout (unsigned int seconds) |
|
|
1308 | PROTOTYPE: $ |
|
|
1309 | CODE: |
|
|
1310 | eio_set_idle_timeout (seconds); |
|
|
1311 | |
|
|
1312 | void |
|
|
1313 | max_outstanding (unsigned int maxreqs) |
|
|
1314 | PROTOTYPE: $ |
|
|
1315 | CODE: |
529 | max_outstanding = nreqs; |
1316 | max_outstanding = maxreqs; |
530 | |
1317 | |
531 | void |
1318 | void |
532 | aio_open(pathname,flags,mode,callback=&PL_sv_undef) |
1319 | aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef) |
533 | SV * pathname |
|
|
534 | int flags |
|
|
535 | int mode |
|
|
536 | SV * callback |
|
|
537 | PROTOTYPE: $$$;$ |
|
|
538 | CODE: |
1320 | PPCODE: |
539 | { |
1321 | { |
540 | dREQ; |
1322 | dREQ; |
541 | |
1323 | |
|
|
1324 | req->type = EIO_WD_OPEN; |
|
|
1325 | req_set_path1 (req, pathname); |
|
|
1326 | |
|
|
1327 | REQ_SEND; |
|
|
1328 | } |
|
|
1329 | |
|
|
1330 | void |
|
|
1331 | aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef) |
|
|
1332 | PPCODE: |
|
|
1333 | { |
|
|
1334 | dREQ; |
|
|
1335 | |
542 | req->type = REQ_OPEN; |
1336 | req->type = EIO_OPEN; |
543 | req->data = newSVsv (pathname); |
1337 | req_set_path1 (req, pathname); |
544 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
545 | req->fd = flags; |
1338 | req->int1 = flags; |
546 | req->mode = mode; |
1339 | req->int2 = mode; |
547 | |
1340 | |
548 | send_req (req); |
1341 | REQ_SEND; |
549 | } |
1342 | } |
550 | |
1343 | |
551 | void |
1344 | void |
552 | aio_close(fh,callback=&PL_sv_undef) |
1345 | aio_fsync (SV *fh, SV *callback = &PL_sv_undef) |
553 | SV * fh |
|
|
554 | SV * callback |
|
|
555 | PROTOTYPE: $;$ |
|
|
556 | ALIAS: |
1346 | ALIAS: |
557 | aio_close = REQ_CLOSE |
|
|
558 | aio_fsync = REQ_FSYNC |
1347 | aio_fsync = EIO_FSYNC |
559 | aio_fdatasync = REQ_FDATASYNC |
1348 | aio_fdatasync = EIO_FDATASYNC |
|
|
1349 | aio_syncfs = EIO_SYNCFS |
560 | CODE: |
1350 | PPCODE: |
561 | { |
1351 | { |
|
|
1352 | int fd = s_fileno_croak (fh, 0); |
562 | dREQ; |
1353 | dREQ; |
563 | |
1354 | |
564 | req->type = ix; |
1355 | req->type = ix; |
565 | req->fh = newSVsv (fh); |
1356 | req->sv1 = newSVsv (fh); |
566 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1357 | req->int1 = fd; |
567 | |
1358 | |
568 | send_req (req); |
1359 | REQ_SEND; |
569 | } |
1360 | } |
570 | |
1361 | |
571 | void |
1362 | void |
|
|
1363 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef) |
|
|
1364 | PPCODE: |
|
|
1365 | { |
|
|
1366 | int fd = s_fileno_croak (fh, 0); |
|
|
1367 | dREQ; |
|
|
1368 | |
|
|
1369 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
1370 | req->sv1 = newSVsv (fh); |
|
|
1371 | req->int1 = fd; |
|
|
1372 | req->offs = offset; |
|
|
1373 | req->size = nbytes; |
|
|
1374 | req->int2 = flags; |
|
|
1375 | |
|
|
1376 | REQ_SEND; |
|
|
1377 | } |
|
|
1378 | |
|
|
1379 | void |
|
|
1380 | aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef) |
|
|
1381 | PPCODE: |
|
|
1382 | { |
|
|
1383 | int fd = s_fileno_croak (fh, 0); |
|
|
1384 | dREQ; |
|
|
1385 | |
|
|
1386 | req->type = EIO_FALLOCATE; |
|
|
1387 | req->sv1 = newSVsv (fh); |
|
|
1388 | req->int1 = fd; |
|
|
1389 | req->int2 = mode; |
|
|
1390 | req->offs = offset; |
|
|
1391 | req->size = len; |
|
|
1392 | |
|
|
1393 | REQ_SEND; |
|
|
1394 | } |
|
|
1395 | |
|
|
1396 | void |
|
|
1397 | aio_close (SV *fh, SV *callback = &PL_sv_undef) |
|
|
1398 | PPCODE: |
|
|
1399 | { |
|
|
1400 | static int close_fd = -1; /* dummy fd to close fds via dup2 */ |
|
|
1401 | int fd = s_fileno_croak (fh, 0); |
|
|
1402 | dREQ; |
|
|
1403 | |
|
|
1404 | if (expect_false (close_fd < 0)) |
|
|
1405 | { |
|
|
1406 | int pipefd [2]; |
|
|
1407 | |
|
|
1408 | if ( |
|
|
1409 | #ifdef _WIN32 |
|
|
1410 | _pipe (pipefd, 1, _O_BINARY) < 0 |
|
|
1411 | #else |
|
|
1412 | pipe (pipefd) < 0 |
|
|
1413 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
|
|
1414 | #endif |
|
|
1415 | || close (pipefd [1]) < 0 |
|
|
1416 | ) |
|
|
1417 | abort (); /*D*/ |
|
|
1418 | |
|
|
1419 | close_fd = pipefd [0]; |
|
|
1420 | } |
|
|
1421 | |
|
|
1422 | req->type = EIO_DUP2; |
|
|
1423 | req->int1 = close_fd; |
|
|
1424 | req->sv2 = newSVsv (fh); |
|
|
1425 | req->int2 = fd; |
|
|
1426 | |
|
|
1427 | REQ_SEND; |
|
|
1428 | } |
|
|
1429 | |
|
|
1430 | void |
|
|
1431 | aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef) |
|
|
1432 | PPCODE: |
|
|
1433 | { |
|
|
1434 | int fd = s_fileno_croak (fh, 0); |
|
|
1435 | dREQ; |
|
|
1436 | |
|
|
1437 | req->type = EIO_SEEK; |
|
|
1438 | req->sv1 = newSVsv (fh); |
|
|
1439 | req->int1 = fd; |
|
|
1440 | req->offs = SvVAL64 (offset); |
|
|
1441 | req->int2 = whence; |
|
|
1442 | |
|
|
1443 | REQ_SEND; |
|
|
1444 | } |
|
|
1445 | |
|
|
1446 | void |
572 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1447 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef) |
573 | SV * fh |
|
|
574 | UV offset |
|
|
575 | IV length |
|
|
576 | SV * data |
|
|
577 | IV dataoffset |
|
|
578 | SV * callback |
|
|
579 | ALIAS: |
1448 | ALIAS: |
580 | aio_read = REQ_READ |
1449 | aio_read = EIO_READ |
581 | aio_write = REQ_WRITE |
1450 | aio_write = EIO_WRITE |
582 | PROTOTYPE: $$$$$;$ |
|
|
583 | CODE: |
1451 | PPCODE: |
584 | { |
1452 | { |
585 | aio_req req; |
|
|
586 | STRLEN svlen; |
1453 | STRLEN svlen; |
|
|
1454 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
587 | char *svptr = SvPVbyte (data, svlen); |
1455 | char *svptr = SvPVbyte (data, svlen); |
588 | |
1456 | UV len = SvUV (length); |
589 | SvUPGRADE (data, SVt_PV); |
|
|
590 | SvPOK_on (data); |
|
|
591 | |
1457 | |
592 | if (dataoffset < 0) |
1458 | if (dataoffset < 0) |
593 | dataoffset += svlen; |
1459 | dataoffset += svlen; |
594 | |
1460 | |
595 | if (dataoffset < 0 || dataoffset > svlen) |
1461 | if (dataoffset < 0 || dataoffset > svlen) |
596 | croak ("data offset outside of string"); |
1462 | croak ("dataoffset outside of data scalar"); |
597 | |
1463 | |
598 | if (ix == REQ_WRITE) |
1464 | if (ix == EIO_WRITE) |
599 | { |
1465 | { |
600 | /* write: check length and adjust. */ |
1466 | /* write: check length and adjust. */ |
601 | if (length < 0 || length + dataoffset > svlen) |
1467 | if (!SvOK (length) || len + dataoffset > svlen) |
602 | length = svlen - dataoffset; |
1468 | len = svlen - dataoffset; |
603 | } |
1469 | } |
604 | else |
1470 | else |
605 | { |
1471 | { |
606 | /* read: grow scalar as necessary */ |
1472 | /* read: check type and grow scalar as necessary */ |
|
|
1473 | if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
607 | svptr = SvGROW (data, length + dataoffset); |
1474 | svptr = sv_grow (data, len + dataoffset + 1); |
|
|
1475 | else if (SvCUR (data) < len + dataoffset) |
|
|
1476 | croak ("length + dataoffset outside of scalar, and cannot grow"); |
608 | } |
1477 | } |
609 | |
|
|
610 | if (length < 0) |
|
|
611 | croak ("length must not be negative"); |
|
|
612 | |
1478 | |
613 | { |
1479 | { |
614 | dREQ; |
1480 | dREQ; |
615 | |
1481 | |
616 | req->type = ix; |
1482 | req->type = ix; |
617 | req->fh = newSVsv (fh); |
1483 | req->sv1 = newSVsv (fh); |
618 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1484 | req->int1 = fd; |
619 | : IoOFP (sv_2io (fh))); |
1485 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
620 | req->offset = offset; |
1486 | req->size = len; |
621 | req->length = length; |
|
|
622 | req->data = SvREFCNT_inc (data); |
1487 | req->sv2 = SvREFCNT_inc (data); |
623 | req->dataptr = (char *)svptr + dataoffset; |
1488 | req->ptr2 = (char *)svptr + dataoffset; |
624 | req->callback = SvREFCNT_inc (callback); |
1489 | req->stroffset = dataoffset; |
625 | |
1490 | |
626 | send_req (req); |
1491 | if (!SvREADONLY (data)) |
|
|
1492 | { |
|
|
1493 | SvREADONLY_on (data); |
|
|
1494 | req->flags |= FLAG_SV2_RO_OFF; |
|
|
1495 | } |
|
|
1496 | |
|
|
1497 | REQ_SEND; |
627 | } |
1498 | } |
628 | } |
1499 | } |
629 | |
1500 | |
630 | void |
1501 | void |
631 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
1502 | aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef) |
632 | SV * fh |
|
|
633 | UV offset |
|
|
634 | IV length |
|
|
635 | SV * callback |
|
|
636 | PROTOTYPE: $$$;$ |
|
|
637 | CODE: |
|
|
638 | { |
|
|
639 | dREQ; |
|
|
640 | |
|
|
641 | req->type = REQ_READAHEAD; |
|
|
642 | req->fh = newSVsv (fh); |
|
|
643 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
644 | req->offset = offset; |
|
|
645 | req->length = length; |
|
|
646 | |
|
|
647 | send_req (req); |
|
|
648 | } |
|
|
649 | |
|
|
650 | void |
|
|
651 | aio_stat(fh_or_path,callback=&PL_sv_undef) |
|
|
652 | SV * fh_or_path |
|
|
653 | SV * callback |
|
|
654 | ALIAS: |
1503 | ALIAS: |
655 | aio_stat = REQ_STAT |
1504 | aio_ioctl = EIO_IOCTL |
656 | aio_lstat = REQ_LSTAT |
1505 | aio_fcntl = EIO_FCNTL |
657 | CODE: |
1506 | PPCODE: |
658 | { |
1507 | { |
659 | dREQ; |
1508 | int fd = s_fileno_croak (fh, 0); |
|
|
1509 | char *svptr; |
660 | |
1510 | |
661 | New (0, req->statdata, 1, Stat_t); |
1511 | if (SvPOK (arg) || !SvNIOK (arg)) |
662 | if (!req->statdata) |
|
|
663 | croak ("out of memory during aio_req->statdata allocation (sorry, i just leaked memory, too)"); |
|
|
664 | |
|
|
665 | if (SvPOK (fh_or_path)) |
|
|
666 | { |
1512 | { |
667 | req->type = ix; |
1513 | STRLEN svlen; |
668 | req->data = newSVsv (fh_or_path); |
1514 | /* perl uses IOCPARM_LEN for fcntl, so we do, too */ |
669 | req->dataptr = SvPVbyte_nolen (req->data); |
1515 | #ifdef IOCPARM_LEN |
|
|
1516 | STRLEN need = IOCPARM_LEN (request); |
|
|
1517 | #else |
|
|
1518 | STRLEN need = 256; |
|
|
1519 | #endif |
|
|
1520 | |
|
|
1521 | if (svlen < need) |
|
|
1522 | svptr = SvGROW (arg, need); |
670 | } |
1523 | } |
671 | else |
1524 | else |
|
|
1525 | svptr = (char *)SvIV (arg); |
|
|
1526 | |
672 | { |
1527 | { |
|
|
1528 | dREQ; |
|
|
1529 | |
673 | req->type = REQ_FSTAT; |
1530 | req->type = ix; |
674 | req->fh = newSVsv (fh_or_path); |
1531 | req->sv1 = newSVsv (fh); |
675 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1532 | req->int1 = fd; |
|
|
1533 | req->int2 = (long)request; |
|
|
1534 | req->sv2 = SvREFCNT_inc (arg); |
|
|
1535 | req->ptr2 = svptr; |
|
|
1536 | |
|
|
1537 | REQ_SEND; |
676 | } |
1538 | } |
677 | |
|
|
678 | send_req (req); |
|
|
679 | } |
1539 | } |
680 | |
1540 | |
681 | void |
1541 | void |
682 | aio_unlink(pathname,callback=&PL_sv_undef) |
1542 | aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
683 | SV * pathname |
|
|
684 | SV * callback |
|
|
685 | ALIAS: |
1543 | ALIAS: |
686 | aio_unlink = REQ_UNLINK |
1544 | aio_readlink = EIO_READLINK |
687 | aio_rmdir = REQ_RMDIR |
1545 | aio_realpath = EIO_REALPATH |
|
|
1546 | PPCODE: |
|
|
1547 | { |
|
|
1548 | dREQ; |
|
|
1549 | |
|
|
1550 | req->type = ix; |
|
|
1551 | req_set_path1 (req, pathname); |
|
|
1552 | |
|
|
1553 | REQ_SEND; |
|
|
1554 | } |
|
|
1555 | |
|
|
1556 | void |
|
|
1557 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef) |
|
|
1558 | PPCODE: |
|
|
1559 | { |
|
|
1560 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
1561 | int ofd = s_fileno_croak (out_fh, 1); |
|
|
1562 | dREQ; |
|
|
1563 | |
|
|
1564 | req->type = EIO_SENDFILE; |
|
|
1565 | req->sv1 = newSVsv (out_fh); |
|
|
1566 | req->int1 = ofd; |
|
|
1567 | req->sv2 = newSVsv (in_fh); |
|
|
1568 | req->int2 = ifd; |
|
|
1569 | req->offs = in_offset; |
|
|
1570 | req->size = length; |
|
|
1571 | |
|
|
1572 | REQ_SEND; |
|
|
1573 | } |
|
|
1574 | |
|
|
1575 | void |
|
|
1576 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef) |
|
|
1577 | PPCODE: |
|
|
1578 | { |
|
|
1579 | int fd = s_fileno_croak (fh, 0); |
|
|
1580 | dREQ; |
|
|
1581 | |
|
|
1582 | req->type = EIO_READAHEAD; |
|
|
1583 | req->sv1 = newSVsv (fh); |
|
|
1584 | req->int1 = fd; |
|
|
1585 | req->offs = offset; |
|
|
1586 | req->size = length; |
|
|
1587 | |
|
|
1588 | REQ_SEND; |
|
|
1589 | } |
|
|
1590 | |
|
|
1591 | void |
|
|
1592 | aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef) |
|
|
1593 | ALIAS: |
|
|
1594 | aio_stat = EIO_STAT |
|
|
1595 | aio_lstat = EIO_LSTAT |
|
|
1596 | aio_statvfs = EIO_STATVFS |
|
|
1597 | PPCODE: |
|
|
1598 | { |
|
|
1599 | dREQ; |
|
|
1600 | |
|
|
1601 | req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
|
|
1602 | |
|
|
1603 | REQ_SEND; |
|
|
1604 | } |
|
|
1605 | |
|
|
1606 | UV |
|
|
1607 | major (UV dev) |
|
|
1608 | ALIAS: |
|
|
1609 | minor = 1 |
688 | CODE: |
1610 | CODE: |
|
|
1611 | RETVAL = ix ? minor (dev) : major (dev); |
|
|
1612 | OUTPUT: |
|
|
1613 | RETVAL |
|
|
1614 | |
|
|
1615 | UV |
|
|
1616 | makedev (UV maj, UV min) |
|
|
1617 | CODE: |
|
|
1618 | RETVAL = makedev (maj, min); |
|
|
1619 | OUTPUT: |
|
|
1620 | RETVAL |
|
|
1621 | |
|
|
1622 | void |
|
|
1623 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef) |
|
|
1624 | PPCODE: |
|
|
1625 | { |
|
|
1626 | dREQ; |
|
|
1627 | |
|
|
1628 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1629 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1630 | req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
|
|
1631 | |
|
|
1632 | REQ_SEND; |
|
|
1633 | } |
|
|
1634 | |
|
|
1635 | void |
|
|
1636 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef) |
|
|
1637 | PPCODE: |
|
|
1638 | { |
|
|
1639 | dREQ; |
|
|
1640 | |
|
|
1641 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1642 | req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
|
|
1643 | |
|
|
1644 | REQ_SEND; |
|
|
1645 | } |
|
|
1646 | |
|
|
1647 | void |
|
|
1648 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef) |
|
|
1649 | PPCODE: |
|
|
1650 | { |
|
|
1651 | dREQ; |
|
|
1652 | |
|
|
1653 | req->int2 = mode; |
|
|
1654 | req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
|
|
1655 | |
|
|
1656 | REQ_SEND; |
|
|
1657 | } |
|
|
1658 | |
|
|
1659 | void |
|
|
1660 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef) |
|
|
1661 | PPCODE: |
|
|
1662 | { |
|
|
1663 | dREQ; |
|
|
1664 | |
|
|
1665 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1666 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1667 | req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
|
|
1668 | |
|
|
1669 | REQ_SEND; |
|
|
1670 | } |
|
|
1671 | |
|
|
1672 | void |
|
|
1673 | aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef) |
|
|
1674 | PPCODE: |
|
|
1675 | { |
|
|
1676 | dREQ; |
|
|
1677 | |
|
|
1678 | req->type = EIO_READDIR; |
|
|
1679 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1680 | |
|
|
1681 | if (flags & EIO_READDIR_DENTS) |
|
|
1682 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1683 | |
|
|
1684 | req_set_path1 (req, pathname); |
|
|
1685 | |
|
|
1686 | REQ_SEND; |
|
|
1687 | } |
|
|
1688 | |
|
|
1689 | void |
|
|
1690 | aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef) |
|
|
1691 | PPCODE: |
|
|
1692 | { |
|
|
1693 | dREQ; |
|
|
1694 | |
|
|
1695 | req->type = EIO_MKDIR; |
|
|
1696 | req->int2 = mode; |
|
|
1697 | req_set_path1 (req, pathname); |
|
|
1698 | |
|
|
1699 | REQ_SEND; |
|
|
1700 | } |
|
|
1701 | |
|
|
1702 | void |
|
|
1703 | aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
|
|
1704 | ALIAS: |
|
|
1705 | aio_unlink = EIO_UNLINK |
|
|
1706 | aio_rmdir = EIO_RMDIR |
|
|
1707 | aio_readdir = EIO_READDIR |
|
|
1708 | PPCODE: |
689 | { |
1709 | { |
690 | dREQ; |
1710 | dREQ; |
691 | |
1711 | |
692 | req->type = ix; |
1712 | req->type = ix; |
693 | req->data = newSVsv (pathname); |
1713 | req_set_path1 (req, pathname); |
694 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
695 | |
|
|
696 | send_req (req); |
|
|
697 | } |
|
|
698 | |
1714 | |
|
|
1715 | REQ_SEND; |
|
|
1716 | } |
|
|
1717 | |
699 | void |
1718 | void |
700 | aio_symlink(oldpath,newpath,callback=&PL_sv_undef) |
1719 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef) |
701 | SV * oldpath |
1720 | ALIAS: |
702 | SV * newpath |
1721 | aio_link = EIO_LINK |
703 | SV * callback |
1722 | aio_symlink = EIO_SYMLINK |
|
|
1723 | aio_rename = EIO_RENAME |
704 | CODE: |
1724 | PPCODE: |
705 | { |
1725 | { |
|
|
1726 | eio_wd wd2 = 0; |
706 | dREQ; |
1727 | dREQ; |
707 | |
1728 | |
708 | req->type = REQ_SYMLINK; |
1729 | req->type = ix; |
709 | req->fh = newSVsv (oldpath); |
1730 | req_set_path1 (req, oldpath); |
710 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1731 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
711 | req->data = newSVsv (newpath); |
1732 | req->int3 = (long)wd2; |
712 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
713 | |
1733 | |
714 | send_req (req); |
1734 | REQ_SEND; |
715 | } |
1735 | } |
716 | |
1736 | |
717 | void |
1737 | void |
718 | flush() |
1738 | aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef) |
719 | PROTOTYPE: |
1739 | PPCODE: |
|
|
1740 | { |
|
|
1741 | eio_wd wd2 = 0; |
|
|
1742 | dREQ; |
|
|
1743 | |
|
|
1744 | req->type = EIO_RENAME; |
|
|
1745 | req_set_path1 (req, oldpath); |
|
|
1746 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
|
|
1747 | req->int2 = flags; |
|
|
1748 | req->int3 = (long)wd2; |
|
|
1749 | |
|
|
1750 | REQ_SEND; |
|
|
1751 | } |
|
|
1752 | |
|
|
1753 | void |
|
|
1754 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef) |
|
|
1755 | PPCODE: |
|
|
1756 | { |
|
|
1757 | dREQ; |
|
|
1758 | |
|
|
1759 | req->type = EIO_MKNOD; |
|
|
1760 | req->int2 = (mode_t)mode; |
|
|
1761 | req->offs = dev; |
|
|
1762 | req_set_path1 (req, pathname); |
|
|
1763 | |
|
|
1764 | REQ_SEND; |
|
|
1765 | } |
|
|
1766 | |
|
|
1767 | void |
|
|
1768 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef) |
|
|
1769 | ALIAS: |
|
|
1770 | aio_mtouch = EIO_MTOUCH |
|
|
1771 | aio_msync = EIO_MSYNC |
|
|
1772 | PPCODE: |
|
|
1773 | { |
|
|
1774 | STRLEN svlen; |
|
|
1775 | char *svptr = SvPVbyte (data, svlen); |
|
|
1776 | UV len = SvUV (length); |
|
|
1777 | |
|
|
1778 | if (flags < 0) |
|
|
1779 | flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0; |
|
|
1780 | |
|
|
1781 | if (offset < 0) |
|
|
1782 | offset += svlen; |
|
|
1783 | |
|
|
1784 | if (offset < 0 || offset > svlen) |
|
|
1785 | croak ("offset outside of scalar"); |
|
|
1786 | |
|
|
1787 | if (!SvOK (length) || len + offset > svlen) |
|
|
1788 | len = svlen - offset; |
|
|
1789 | |
|
|
1790 | { |
|
|
1791 | dREQ; |
|
|
1792 | |
|
|
1793 | req->type = ix; |
|
|
1794 | req->sv2 = SvREFCNT_inc (data); |
|
|
1795 | req->ptr2 = (char *)svptr + offset; |
|
|
1796 | req->size = len; |
|
|
1797 | req->int1 = flags; |
|
|
1798 | |
|
|
1799 | REQ_SEND; |
|
|
1800 | } |
|
|
1801 | } |
|
|
1802 | |
|
|
1803 | void |
|
|
1804 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef) |
|
|
1805 | PPCODE: |
|
|
1806 | { |
|
|
1807 | STRLEN svlen; |
|
|
1808 | char *svptr = SvPVbyte (data, svlen); |
|
|
1809 | UV len = SvUV (length); |
|
|
1810 | |
|
|
1811 | if (offset < 0) |
|
|
1812 | offset += svlen; |
|
|
1813 | |
|
|
1814 | if (offset < 0 || offset > svlen) |
|
|
1815 | croak ("offset outside of scalar"); |
|
|
1816 | |
|
|
1817 | if (!SvOK (length) || len + offset > svlen) |
|
|
1818 | len = svlen - offset; |
|
|
1819 | |
|
|
1820 | { |
|
|
1821 | dREQ; |
|
|
1822 | |
|
|
1823 | req->type = EIO_MLOCK; |
|
|
1824 | req->sv2 = SvREFCNT_inc (data); |
|
|
1825 | req->ptr2 = (char *)svptr + offset; |
|
|
1826 | req->size = len; |
|
|
1827 | |
|
|
1828 | REQ_SEND; |
|
|
1829 | } |
|
|
1830 | } |
|
|
1831 | |
|
|
1832 | void |
|
|
1833 | aio_mlockall (IV flags, SV *callback = &PL_sv_undef) |
|
|
1834 | PPCODE: |
|
|
1835 | { |
|
|
1836 | dREQ; |
|
|
1837 | |
|
|
1838 | req->type = EIO_MLOCKALL; |
|
|
1839 | req->int1 = flags; |
|
|
1840 | |
|
|
1841 | REQ_SEND; |
|
|
1842 | } |
|
|
1843 | |
|
|
1844 | void |
|
|
1845 | aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef) |
|
|
1846 | PPCODE: |
|
|
1847 | { |
|
|
1848 | int fd = s_fileno_croak (fh, 0); |
|
|
1849 | dREQ; |
|
|
1850 | |
|
|
1851 | req->type = EIO_CUSTOM; |
|
|
1852 | req->sv1 = newSVsv (fh); |
|
|
1853 | req->int1 = fd; |
|
|
1854 | |
|
|
1855 | req->feed = fiemap; |
|
|
1856 | #if HAVE_FIEMAP |
|
|
1857 | /* keep our fingers crossed that the next two types are 64 bit */ |
|
|
1858 | req->offs = start; |
|
|
1859 | req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
|
|
1860 | req->int2 = flags; |
|
|
1861 | req->int3 = SvOK (count) ? SvIV (count) : -1; |
|
|
1862 | #endif |
|
|
1863 | |
|
|
1864 | REQ_SEND; |
|
|
1865 | } |
|
|
1866 | |
|
|
1867 | void |
|
|
1868 | aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef) |
|
|
1869 | PPCODE: |
|
|
1870 | { |
|
|
1871 | char *svptr = 0; |
|
|
1872 | |
|
|
1873 | sv_clear_foreign (data); |
|
|
1874 | |
|
|
1875 | if (length) /* known length, directly read into scalar */ |
|
|
1876 | { |
|
|
1877 | if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
|
|
1878 | svptr = sv_grow (data, length + 1); |
|
|
1879 | else if (SvCUR (data) < length) |
|
|
1880 | croak ("length outside of scalar, and cannot grow"); |
|
|
1881 | else |
|
|
1882 | svptr = SvPVbyte_nolen (data); |
|
|
1883 | } |
|
|
1884 | |
|
|
1885 | { |
|
|
1886 | dREQ; |
|
|
1887 | |
|
|
1888 | req->type = EIO_SLURP; |
|
|
1889 | req_set_path1 (req, pathname); |
|
|
1890 | req->offs = offset; |
|
|
1891 | req->size = length; |
|
|
1892 | req->sv2 = SvREFCNT_inc (data); |
|
|
1893 | req->ptr2 = svptr; |
|
|
1894 | |
|
|
1895 | if (!SvREADONLY (data)) |
|
|
1896 | { |
|
|
1897 | SvREADONLY_on (data); |
|
|
1898 | req->flags |= FLAG_SV2_RO_OFF; |
|
|
1899 | } |
|
|
1900 | |
|
|
1901 | REQ_SEND; |
|
|
1902 | } |
|
|
1903 | } |
|
|
1904 | |
|
|
1905 | void |
|
|
1906 | aio_busy (double delay, SV *callback = &PL_sv_undef) |
|
|
1907 | PPCODE: |
|
|
1908 | { |
|
|
1909 | dREQ; |
|
|
1910 | |
|
|
1911 | req->type = EIO_BUSY; |
|
|
1912 | req->nv1 = delay < 0. ? 0. : delay; |
|
|
1913 | |
|
|
1914 | REQ_SEND; |
|
|
1915 | } |
|
|
1916 | |
|
|
1917 | void |
|
|
1918 | aio_group (SV *callback = &PL_sv_undef) |
|
|
1919 | PPCODE: |
|
|
1920 | { |
|
|
1921 | dREQ; |
|
|
1922 | |
|
|
1923 | req->type = EIO_GROUP; |
|
|
1924 | |
|
|
1925 | PUTBACK; |
|
|
1926 | req_submit (req); |
|
|
1927 | SPAGAIN; |
|
|
1928 | |
|
|
1929 | XPUSHs (req_sv (req, aio_grp_stash)); |
|
|
1930 | } |
|
|
1931 | |
|
|
1932 | void |
|
|
1933 | aio_nop (SV *callback = &PL_sv_undef) |
|
|
1934 | ALIAS: |
|
|
1935 | aio_nop = EIO_NOP |
|
|
1936 | aio_sync = EIO_SYNC |
|
|
1937 | PPCODE: |
|
|
1938 | { |
|
|
1939 | dREQ; |
|
|
1940 | |
|
|
1941 | req->type = ix; |
|
|
1942 | |
|
|
1943 | REQ_SEND; |
|
|
1944 | } |
|
|
1945 | |
|
|
1946 | int |
|
|
1947 | aioreq_pri (int pri = NO_INIT) |
720 | CODE: |
1948 | CODE: |
|
|
1949 | RETVAL = next_pri; |
|
|
1950 | if (items > 0) |
|
|
1951 | { |
|
|
1952 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
|
|
1953 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
|
|
1954 | next_pri = pri; |
|
|
1955 | } |
|
|
1956 | OUTPUT: |
|
|
1957 | RETVAL |
|
|
1958 | |
|
|
1959 | void |
|
|
1960 | aioreq_nice (int nice = 0) |
|
|
1961 | CODE: |
|
|
1962 | nice = next_pri - nice; |
|
|
1963 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
|
|
1964 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
|
|
1965 | next_pri = nice; |
|
|
1966 | |
|
|
1967 | void |
|
|
1968 | flush () |
|
|
1969 | CODE: |
721 | while (nreqs) |
1970 | while (eio_nreqs ()) |
722 | { |
1971 | { |
723 | poll_wait (); |
1972 | poll_wait (); |
724 | poll_cb (); |
1973 | poll_cb (); |
725 | } |
1974 | } |
726 | |
1975 | |
727 | void |
1976 | int |
728 | poll() |
1977 | poll () |
729 | PROTOTYPE: |
|
|
730 | CODE: |
1978 | CODE: |
731 | if (nreqs) |
|
|
732 | { |
|
|
733 | poll_wait (); |
1979 | poll_wait (); |
734 | poll_cb (); |
1980 | RETVAL = poll_cb (); |
735 | } |
|
|
736 | |
|
|
737 | int |
|
|
738 | poll_fileno() |
|
|
739 | PROTOTYPE: |
|
|
740 | CODE: |
|
|
741 | RETVAL = respipe [0]; |
|
|
742 | OUTPUT: |
1981 | OUTPUT: |
743 | RETVAL |
1982 | RETVAL |
744 | |
1983 | |
745 | int |
1984 | int |
|
|
1985 | poll_fileno () |
|
|
1986 | CODE: |
|
|
1987 | RETVAL = s_epipe_fd (&respipe); |
|
|
1988 | OUTPUT: |
|
|
1989 | RETVAL |
|
|
1990 | |
|
|
1991 | int |
746 | poll_cb(...) |
1992 | poll_cb (...) |
747 | PROTOTYPE: |
1993 | PROTOTYPE: |
748 | CODE: |
1994 | CODE: |
749 | RETVAL = poll_cb (); |
1995 | RETVAL = poll_cb (); |
750 | OUTPUT: |
1996 | OUTPUT: |
751 | RETVAL |
1997 | RETVAL |
752 | |
1998 | |
753 | void |
1999 | void |
754 | poll_wait() |
2000 | poll_wait () |
755 | PROTOTYPE: |
|
|
756 | CODE: |
2001 | CODE: |
757 | if (nreqs) |
|
|
758 | poll_wait (); |
2002 | poll_wait (); |
759 | |
2003 | |
760 | int |
2004 | int |
761 | nreqs() |
2005 | nreqs () |
762 | PROTOTYPE: |
|
|
763 | CODE: |
2006 | CODE: |
764 | RETVAL = nreqs; |
2007 | RETVAL = eio_nreqs (); |
765 | OUTPUT: |
2008 | OUTPUT: |
766 | RETVAL |
2009 | RETVAL |
767 | |
2010 | |
|
|
2011 | int |
|
|
2012 | nready () |
|
|
2013 | CODE: |
|
|
2014 | RETVAL = eio_nready (); |
|
|
2015 | OUTPUT: |
|
|
2016 | RETVAL |
|
|
2017 | |
|
|
2018 | int |
|
|
2019 | npending () |
|
|
2020 | CODE: |
|
|
2021 | RETVAL = eio_npending (); |
|
|
2022 | OUTPUT: |
|
|
2023 | RETVAL |
|
|
2024 | |
|
|
2025 | int |
|
|
2026 | nthreads () |
|
|
2027 | CODE: |
|
|
2028 | RETVAL = eio_nthreads (); |
|
|
2029 | OUTPUT: |
|
|
2030 | RETVAL |
|
|
2031 | |
|
|
2032 | int |
|
|
2033 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
2034 | CODE: |
|
|
2035 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
2036 | OUTPUT: |
|
|
2037 | RETVAL |
|
|
2038 | |
|
|
2039 | IV |
|
|
2040 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
2041 | CODE: |
|
|
2042 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
2043 | OUTPUT: |
|
|
2044 | RETVAL |
|
|
2045 | |
|
|
2046 | void |
|
|
2047 | mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
|
|
2048 | PPCODE: |
|
|
2049 | sv_clear_foreign (scalar); |
|
|
2050 | { |
|
|
2051 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
2052 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
2053 | if (addr == (void *)-1) |
|
|
2054 | XSRETURN_NO; |
|
|
2055 | |
|
|
2056 | sv_set_foreign (scalar, &mmap_vtbl, addr, length); |
|
|
2057 | |
|
|
2058 | if (!(prot & PROT_WRITE)) |
|
|
2059 | SvREADONLY_on (scalar); |
|
|
2060 | |
|
|
2061 | XSRETURN_YES; |
|
|
2062 | } |
|
|
2063 | |
|
|
2064 | void |
|
|
2065 | munmap (SV *scalar) |
|
|
2066 | CODE: |
|
|
2067 | sv_clear_foreign (scalar); |
|
|
2068 | |
|
|
2069 | SV * |
|
|
2070 | mremap (SV *scalar, STRLEN new_length, int flags = 0, IV new_address = 0) |
|
|
2071 | CODE: |
|
|
2072 | { |
|
|
2073 | MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl); |
|
|
2074 | void *new; |
|
|
2075 | |
|
|
2076 | if (!mg || SvPVX (scalar) != mg->mg_ptr) |
|
|
2077 | croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified"); |
|
|
2078 | |
|
|
2079 | new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address); |
|
|
2080 | |
|
|
2081 | RETVAL = &PL_sv_no; |
|
|
2082 | |
|
|
2083 | if (new != (void *)-1) |
|
|
2084 | { |
|
|
2085 | RETVAL = new == (void *)mg->mg_ptr |
|
|
2086 | ? newSVpvn ("0 but true", 10) |
|
|
2087 | : &PL_sv_yes; |
|
|
2088 | |
|
|
2089 | mg->mg_ptr = (char *)new; |
|
|
2090 | mg->mg_obj = (SV *)new_length; |
|
|
2091 | |
|
|
2092 | SvPVX (scalar) = mg->mg_ptr; |
|
|
2093 | SvCUR_set (scalar, new_length); |
|
|
2094 | } |
|
|
2095 | } |
|
|
2096 | OUTPUT: |
|
|
2097 | RETVAL |
|
|
2098 | |
|
|
2099 | int |
|
|
2100 | madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
2101 | ALIAS: |
|
|
2102 | mprotect = 1 |
|
|
2103 | CODE: |
|
|
2104 | { |
|
|
2105 | STRLEN svlen; |
|
|
2106 | void *addr = SvPVbyte (scalar, svlen); |
|
|
2107 | STRLEN len = SvUV (length); |
|
|
2108 | |
|
|
2109 | if (offset < 0) |
|
|
2110 | offset += svlen; |
|
|
2111 | |
|
|
2112 | if (offset < 0 || offset > svlen) |
|
|
2113 | croak ("offset outside of scalar"); |
|
|
2114 | |
|
|
2115 | if (!SvOK (length) || len + offset > svlen) |
|
|
2116 | len = svlen - offset; |
|
|
2117 | |
|
|
2118 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
2119 | eio_page_align (&addr, &len); |
|
|
2120 | |
|
|
2121 | switch (ix) |
|
|
2122 | { |
|
|
2123 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
2124 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
2125 | } |
|
|
2126 | } |
|
|
2127 | OUTPUT: |
|
|
2128 | RETVAL |
|
|
2129 | |
|
|
2130 | int |
|
|
2131 | munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) |
|
|
2132 | CODE: |
|
|
2133 | { |
|
|
2134 | STRLEN svlen; |
|
|
2135 | void *addr = SvPVbyte (scalar, svlen); |
|
|
2136 | size_t len = SvUV (length); |
|
|
2137 | |
|
|
2138 | if (offset < 0) |
|
|
2139 | offset += svlen; |
|
|
2140 | |
|
|
2141 | if (offset < 0 || offset > svlen) |
|
|
2142 | croak ("offset outside of scalar"); |
|
|
2143 | |
|
|
2144 | if (!SvOK (length) || len + offset > svlen) |
|
|
2145 | len = svlen - offset; |
|
|
2146 | |
|
|
2147 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
2148 | eio_page_align (&addr, &len); |
|
|
2149 | #if _POSIX_MEMLOCK_RANGE |
|
|
2150 | RETVAL = munlock (addr, len); |
|
|
2151 | #else |
|
|
2152 | RETVAL = EIO_ENOSYS (); |
|
|
2153 | #endif |
|
|
2154 | } |
|
|
2155 | OUTPUT: |
|
|
2156 | RETVAL |
|
|
2157 | |
|
|
2158 | int |
|
|
2159 | munlockall () |
|
|
2160 | CODE: |
|
|
2161 | #if _POSIX_MEMLOCK |
|
|
2162 | munlockall (); |
|
|
2163 | #else |
|
|
2164 | RETVAL = EIO_ENOSYS (); |
|
|
2165 | #endif |
|
|
2166 | OUTPUT: |
|
|
2167 | RETVAL |
|
|
2168 | |
|
|
2169 | int |
|
|
2170 | splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
|
|
2171 | CODE: |
|
|
2172 | { |
|
|
2173 | #if HAVE_LINUX_SPLICE |
|
|
2174 | loff_t off_in_, off_out_; |
|
|
2175 | RETVAL = splice ( |
|
|
2176 | rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0, |
|
|
2177 | wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0, |
|
|
2178 | length, flags |
|
|
2179 | ); |
|
|
2180 | #else |
|
|
2181 | RETVAL = EIO_ENOSYS (); |
|
|
2182 | #endif |
|
|
2183 | } |
|
|
2184 | OUTPUT: |
|
|
2185 | RETVAL |
|
|
2186 | |
|
|
2187 | int |
|
|
2188 | tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
|
|
2189 | CODE: |
|
|
2190 | #if HAVE_LINUX_SPLICE |
|
|
2191 | RETVAL = tee (rfh, wfh, length, flags); |
|
|
2192 | #else |
|
|
2193 | RETVAL = EIO_ENOSYS (); |
|
|
2194 | #endif |
|
|
2195 | OUTPUT: |
|
|
2196 | RETVAL |
|
|
2197 | |
|
|
2198 | int |
|
|
2199 | pipesize (aio_rfd rfh, int new_size = -1) |
|
|
2200 | PROTOTYPE: $;$ |
|
|
2201 | CODE: |
|
|
2202 | #if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ) |
|
|
2203 | if (new_size >= 0) |
|
|
2204 | RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size); |
|
|
2205 | else |
|
|
2206 | RETVAL = fcntl (rfh, F_GETPIPE_SZ); |
|
|
2207 | #else |
|
|
2208 | errno = ENOSYS; |
|
|
2209 | RETVAL = -1; |
|
|
2210 | #endif |
|
|
2211 | OUTPUT: |
|
|
2212 | RETVAL |
|
|
2213 | |
|
|
2214 | void |
|
|
2215 | pipe2 (int flags = 0) |
|
|
2216 | PROTOTYPE: ;$ |
|
|
2217 | PPCODE: |
|
|
2218 | { |
|
|
2219 | int fd[2]; |
|
|
2220 | int res; |
|
|
2221 | |
|
|
2222 | if (flags) |
|
|
2223 | #if HAVE_PIPE2 |
|
|
2224 | res = pipe2 (fd, flags); |
|
|
2225 | #else |
|
|
2226 | res = (errno = ENOSYS, -1); |
|
|
2227 | #endif |
|
|
2228 | else |
|
|
2229 | res = pipe (fd); |
|
|
2230 | |
|
|
2231 | if (!res) |
|
|
2232 | { |
|
|
2233 | EXTEND (SP, 2); |
|
|
2234 | PUSHs (newmortalFH (fd[0], O_RDONLY)); |
|
|
2235 | PUSHs (newmortalFH (fd[1], O_WRONLY)); |
|
|
2236 | } |
|
|
2237 | } |
|
|
2238 | |
|
|
2239 | void |
|
|
2240 | eventfd (unsigned int initval = 0, int flags = 0) |
|
|
2241 | PPCODE: |
|
|
2242 | { |
|
|
2243 | int fd; |
|
|
2244 | #if HAVE_EVENTFD |
|
|
2245 | fd = eventfd (initval, flags); |
|
|
2246 | #else |
|
|
2247 | fd = (errno = ENOSYS, -1); |
|
|
2248 | #endif |
|
|
2249 | |
|
|
2250 | XPUSHs (newmortalFH (fd, O_RDWR)); |
|
|
2251 | } |
|
|
2252 | |
|
|
2253 | void |
|
|
2254 | timerfd_create (int clockid, int flags = 0) |
|
|
2255 | PPCODE: |
|
|
2256 | { |
|
|
2257 | int fd; |
|
|
2258 | #if HAVE_TIMERFD |
|
|
2259 | fd = timerfd_create (clockid, flags); |
|
|
2260 | #else |
|
|
2261 | fd = (errno = ENOSYS, -1); |
|
|
2262 | #endif |
|
|
2263 | |
|
|
2264 | XPUSHs (newmortalFH (fd, O_RDWR)); |
|
|
2265 | } |
|
|
2266 | |
|
|
2267 | void |
|
|
2268 | timerfd_settime (SV *fh, int flags, NV interval, NV value) |
|
|
2269 | PPCODE: |
|
|
2270 | { |
|
|
2271 | int fd = s_fileno_croak (fh, 0); |
|
|
2272 | #if HAVE_TIMERFD |
|
|
2273 | int res; |
|
|
2274 | struct itimerspec its, ots; |
|
|
2275 | |
|
|
2276 | ts_set (&its.it_interval, interval); |
|
|
2277 | ts_set (&its.it_value , value); |
|
|
2278 | res = timerfd_settime (fd, flags, &its, &ots); |
|
|
2279 | |
|
|
2280 | if (!res) |
|
|
2281 | { |
|
|
2282 | EXTEND (SP, 2); |
|
|
2283 | PUSHs (newSVnv (ts_get (&ots.it_interval))); |
|
|
2284 | PUSHs (newSVnv (ts_get (&ots.it_value))); |
|
|
2285 | } |
|
|
2286 | #else |
|
|
2287 | errno = ENOSYS; |
|
|
2288 | #endif |
|
|
2289 | } |
|
|
2290 | |
|
|
2291 | void |
|
|
2292 | timerfd_gettime (SV *fh) |
|
|
2293 | PPCODE: |
|
|
2294 | { |
|
|
2295 | int fd = s_fileno_croak (fh, 0); |
|
|
2296 | #if HAVE_TIMERFD |
|
|
2297 | int res; |
|
|
2298 | struct itimerspec ots; |
|
|
2299 | res = timerfd_gettime (fd, &ots); |
|
|
2300 | |
|
|
2301 | if (!res) |
|
|
2302 | { |
|
|
2303 | EXTEND (SP, 2); |
|
|
2304 | PUSHs (newSVnv (ts_get (&ots.it_interval))); |
|
|
2305 | PUSHs (newSVnv (ts_get (&ots.it_value))); |
|
|
2306 | } |
|
|
2307 | #else |
|
|
2308 | errno = ENOSYS; |
|
|
2309 | #endif |
|
|
2310 | } |
|
|
2311 | |
|
|
2312 | UV |
|
|
2313 | get_fdlimit () |
|
|
2314 | CODE: |
|
|
2315 | #if HAVE_RLIMITS |
|
|
2316 | struct rlimit rl; |
|
|
2317 | if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2318 | XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur); |
|
|
2319 | #endif |
|
|
2320 | XSRETURN_UNDEF; |
|
|
2321 | OUTPUT: |
|
|
2322 | RETVAL |
|
|
2323 | |
|
|
2324 | void |
|
|
2325 | min_fdlimit (UV limit = 0x7fffffffU) |
|
|
2326 | CODE: |
|
|
2327 | { |
|
|
2328 | #if HAVE_RLIMITS |
|
|
2329 | struct rlimit rl; |
|
|
2330 | rlim_t orig_rlim_max; |
|
|
2331 | UV bit; |
|
|
2332 | |
|
|
2333 | if (0 != getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2334 | goto fail; |
|
|
2335 | |
|
|
2336 | if (rl.rlim_cur == RLIM_INFINITY) |
|
|
2337 | XSRETURN_YES; |
|
|
2338 | |
|
|
2339 | orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max; |
|
|
2340 | |
|
|
2341 | if (rl.rlim_cur < limit) |
|
|
2342 | { |
|
|
2343 | rl.rlim_cur = limit; |
|
|
2344 | |
|
|
2345 | if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY) |
|
|
2346 | rl.rlim_max = rl.rlim_cur; |
|
|
2347 | } |
|
|
2348 | |
|
|
2349 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2350 | XSRETURN_YES; |
|
|
2351 | |
|
|
2352 | if (errno == EPERM) |
|
|
2353 | { |
|
|
2354 | /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ |
|
|
2355 | /* our limit overflows a system-wide limit */ |
|
|
2356 | /* try an adaptive algorithm, but do not lower the hardlimit */ |
|
|
2357 | rl.rlim_max = 0; |
|
|
2358 | for (bit = 0x40000000U; bit; bit >>= 1) |
|
|
2359 | { |
|
|
2360 | rl.rlim_max |= bit; |
|
|
2361 | rl.rlim_cur = rl.rlim_max; |
|
|
2362 | |
|
|
2363 | /* nevr decrease the hard limit */ |
|
|
2364 | if (rl.rlim_max < orig_rlim_max) |
|
|
2365 | break; |
|
|
2366 | |
|
|
2367 | if (0 != setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2368 | rl.rlim_max &= ~bit; /* too high, remove bit again */ |
|
|
2369 | } |
|
|
2370 | |
|
|
2371 | /* now, raise the soft limit to the max permitted */ |
|
|
2372 | if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2373 | { |
|
|
2374 | rl.rlim_cur = rl.rlim_max; |
|
|
2375 | if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
|
|
2376 | errno = EPERM; |
|
|
2377 | } |
|
|
2378 | } |
|
|
2379 | #endif |
|
|
2380 | fail: |
|
|
2381 | XSRETURN_UNDEF; |
|
|
2382 | } |
|
|
2383 | |
|
|
2384 | void _on_next_submit (SV *cb) |
|
|
2385 | CODE: |
|
|
2386 | SvREFCNT_dec (on_next_submit); |
|
|
2387 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
2388 | |
|
|
2389 | PROTOTYPES: DISABLE |
|
|
2390 | |
|
|
2391 | MODULE = IO::AIO PACKAGE = IO::AIO::WD |
|
|
2392 | |
|
|
2393 | BOOT: |
|
|
2394 | { |
|
|
2395 | newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
|
|
2396 | newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
|
|
2397 | } |
|
|
2398 | |
|
|
2399 | void |
|
|
2400 | DESTROY (SV *self) |
|
|
2401 | CODE: |
|
|
2402 | { |
|
|
2403 | aio_wd wd = SvAIO_WD (self); |
|
|
2404 | #if HAVE_AT |
|
|
2405 | { |
|
|
2406 | SV *callback = &PL_sv_undef; |
|
|
2407 | dREQ; /* clobbers next_pri :/ */ |
|
|
2408 | next_pri = req->pri; /* restore next_pri */ |
|
|
2409 | req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */ |
|
|
2410 | req->type = EIO_WD_CLOSE; |
|
|
2411 | req->wd = wd; |
|
|
2412 | REQ_SEND; |
|
|
2413 | } |
|
|
2414 | #else |
|
|
2415 | eio_wd_close_sync (wd); |
|
|
2416 | #endif |
|
|
2417 | } |
|
|
2418 | |
|
|
2419 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
|
|
2420 | |
|
|
2421 | void |
|
|
2422 | cancel (aio_req_ornot req) |
|
|
2423 | CODE: |
|
|
2424 | eio_cancel (req); |
|
|
2425 | |
|
|
2426 | void |
|
|
2427 | cb (aio_req_ornot req, SV *callback = NO_INIT) |
|
|
2428 | PPCODE: |
|
|
2429 | { |
|
|
2430 | if (GIMME_V != G_VOID) |
|
|
2431 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
2432 | |
|
|
2433 | if (items > 1) |
|
|
2434 | { |
|
|
2435 | SV *cb_cv = get_cb (callback); |
|
|
2436 | |
|
|
2437 | SvREFCNT_dec (req->callback); |
|
|
2438 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
2439 | } |
|
|
2440 | } |
|
|
2441 | |
|
|
2442 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
|
|
2443 | |
|
|
2444 | void |
|
|
2445 | add (aio_req grp, ...) |
|
|
2446 | PPCODE: |
|
|
2447 | { |
|
|
2448 | int i; |
|
|
2449 | |
|
|
2450 | if (grp->int1 == 2) |
|
|
2451 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
|
|
2452 | |
|
|
2453 | for (i = 1; i < items; ++i ) |
|
|
2454 | { |
|
|
2455 | aio_req req; |
|
|
2456 | |
|
|
2457 | if (GIMME_V != G_VOID) |
|
|
2458 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
|
|
2459 | |
|
|
2460 | req = SvAIO_REQ (ST (i)); |
|
|
2461 | |
|
|
2462 | if (req) |
|
|
2463 | eio_grp_add (grp, req); |
|
|
2464 | } |
|
|
2465 | } |
|
|
2466 | |
|
|
2467 | void |
|
|
2468 | cancel_subs (aio_req_ornot req) |
|
|
2469 | CODE: |
|
|
2470 | req_cancel_subs (req); |
|
|
2471 | |
|
|
2472 | void |
|
|
2473 | result (aio_req grp, ...) |
|
|
2474 | CODE: |
|
|
2475 | { |
|
|
2476 | int i; |
|
|
2477 | AV *av; |
|
|
2478 | |
|
|
2479 | grp->errorno = errno; |
|
|
2480 | |
|
|
2481 | av = newAV (); |
|
|
2482 | av_extend (av, items - 1); |
|
|
2483 | |
|
|
2484 | for (i = 1; i < items; ++i ) |
|
|
2485 | av_push (av, newSVsv (ST (i))); |
|
|
2486 | |
|
|
2487 | SvREFCNT_dec (grp->sv1); |
|
|
2488 | grp->sv1 = (SV *)av; |
|
|
2489 | } |
|
|
2490 | |
|
|
2491 | void |
|
|
2492 | errno (aio_req grp, int errorno = errno) |
|
|
2493 | CODE: |
|
|
2494 | grp->errorno = errorno; |
|
|
2495 | |
|
|
2496 | void |
|
|
2497 | limit (aio_req grp, int limit) |
|
|
2498 | CODE: |
|
|
2499 | eio_grp_limit (grp, limit); |
|
|
2500 | |
|
|
2501 | void |
|
|
2502 | feed (aio_req grp, SV *callback = &PL_sv_undef) |
|
|
2503 | CODE: |
|
|
2504 | { |
|
|
2505 | SvREFCNT_dec (grp->sv2); |
|
|
2506 | grp->sv2 = newSVsv (callback); |
|
|
2507 | grp->feed = aio_grp_feed; |
|
|
2508 | |
|
|
2509 | if (grp->int2 <= 0) |
|
|
2510 | grp->int2 = 2; |
|
|
2511 | |
|
|
2512 | eio_grp_limit (grp, grp->int2); |
|
|
2513 | } |
|
|
2514 | |