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 "schmorp.h" |
9 | |
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10 | #include <pthread.h> |
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11 | |
10 | |
12 | #include <stddef.h> |
11 | #include <stddef.h> |
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12 | #include <stdlib.h> |
13 | #include <errno.h> |
13 | #include <errno.h> |
14 | #include <sys/time.h> |
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15 | #include <sys/select.h> |
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16 | #include <sys/types.h> |
14 | #include <sys/types.h> |
17 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
18 | #include <limits.h> |
16 | #include <limits.h> |
19 | #include <unistd.h> |
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20 | #include <fcntl.h> |
17 | #include <fcntl.h> |
21 | #include <signal.h> |
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22 | #include <sched.h> |
18 | #include <sched.h> |
23 | |
19 | |
24 | #if HAVE_SENDFILE |
20 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
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21 | # include <sys/mman.h> |
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22 | #endif |
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23 | |
25 | # if __linux |
24 | #if __linux__ |
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25 | # include <linux/fs.h> |
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26 | # ifdef FS_IOC_FIEMAP |
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27 | # include <linux/types.h> |
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28 | # include <linux/fiemap.h> |
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29 | # define HAVE_FIEMAP 1 |
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30 | # endif |
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31 | #endif |
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32 | |
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33 | /* perl namespace pollution */ |
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34 | #undef VERSION |
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35 | |
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36 | /* perl stupidly overrides readdir and maybe others */ |
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37 | /* with thread-unsafe versions, imagine that :( */ |
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38 | #undef readdir |
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39 | #undef opendir |
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40 | #undef closedir |
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41 | |
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42 | #ifdef _WIN32 |
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43 | |
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44 | // perl overrides all those nice libc functions |
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45 | |
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46 | #undef malloc |
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47 | #undef free |
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48 | #undef open |
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49 | #undef read |
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50 | #undef write |
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51 | #undef send |
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52 | #undef recv |
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53 | #undef stat |
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54 | #undef lstat |
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55 | #undef fstat |
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56 | #undef truncate |
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57 | #undef ftruncate |
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58 | #undef open |
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59 | #undef link |
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60 | #undef close |
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61 | #undef unlink |
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62 | #undef mkdir |
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63 | #undef rmdir |
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64 | #undef rename |
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65 | #undef lseek |
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66 | #undef opendir |
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67 | #undef readdir |
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68 | #undef closedir |
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69 | #undef chmod |
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70 | #undef fchmod |
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71 | #undef dup |
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72 | #undef dup2 |
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73 | #undef abort |
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74 | #undef pipe |
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75 | |
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76 | #define EIO_STRUCT_STAT struct _stati64 |
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77 | #define EIO_STRUCT_STATI64 |
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78 | |
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79 | #else |
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80 | |
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81 | #include <sys/time.h> |
26 | # include <sys/sendfile.h> |
82 | #include <sys/select.h> |
27 | # elif __freebsd |
83 | #include <unistd.h> |
28 | # include <sys/socket.h> |
84 | #include <utime.h> |
29 | # include <sys/uio.h> |
85 | #include <signal.h> |
30 | # elif __hpux |
86 | |
31 | # include <sys/socket.h> |
87 | #define EIO_STRUCT_STAT Stat_t |
32 | # elif __solaris /* not yet */ |
88 | |
33 | # include <sys/sendfile.h> |
89 | #endif |
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90 | |
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91 | /*****************************************************************************/ |
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92 | |
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93 | #if __GNUC__ >= 3 |
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94 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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95 | #else |
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96 | # define expect(expr,value) (expr) |
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97 | #endif |
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98 | |
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99 | #define expect_false(expr) expect ((expr) != 0, 0) |
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100 | #define expect_true(expr) expect ((expr) != 0, 1) |
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101 | |
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102 | /*****************************************************************************/ |
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103 | |
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104 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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105 | typedef int aio_rfd; /* read file desriptor */ |
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106 | typedef int aio_wfd; /* write file descriptor */ |
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107 | |
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108 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
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109 | |
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110 | #define EIO_REQ_MEMBERS \ |
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111 | SV *callback; \ |
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112 | SV *sv1, *sv2; \ |
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113 | SV *sv3, *sv4; \ |
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114 | STRLEN stroffset; \ |
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115 | SV *self; |
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116 | |
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117 | #define EIO_NO_WRAPPERS 1 |
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118 | |
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119 | #include "libeio/config.h" |
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120 | #include "libeio/eio.h" |
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121 | |
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122 | static int req_invoke (eio_req *req); |
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123 | #define EIO_FINISH(req) req_invoke (req) |
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124 | static void req_destroy (eio_req *grp); |
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125 | #define EIO_DESTROY(req) req_destroy (req) |
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126 | |
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127 | #include "libeio/eio.c" |
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128 | |
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129 | #if !HAVE_POSIX_FADVISE |
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130 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
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131 | #endif |
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132 | |
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133 | #if !HAVE_POSIX_MADVISE |
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134 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
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135 | #endif |
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136 | |
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137 | #ifndef MAP_ANONYMOUS |
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138 | # ifdef MAP_ANON |
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139 | # define MAP_ANONYMOUS MAP_ANON |
34 | # else |
140 | # else |
35 | # error sendfile support requested but not available |
141 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
36 | # endif |
142 | # endif |
37 | #endif |
143 | #endif |
38 | |
144 | |
39 | /* used for struct dirent, AIX doesn't provide it */ |
145 | /* defines all sorts of constants to 0 unless they are already defined */ |
40 | #ifndef NAME_MAX |
146 | #include "def0.h" |
41 | # define NAME_MAX 4096 |
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42 | #endif |
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43 | |
147 | |
44 | #if __ia64 |
148 | #ifndef makedev |
45 | # define STACKSIZE 65536 |
149 | # define makedev(maj,min) (((maj) << 8) | (min)) |
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150 | #endif |
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151 | #ifndef major |
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152 | # define major(dev) ((dev) >> 8) |
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153 | #endif |
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154 | #ifndef minor |
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155 | # define minor(dev) ((dev) & 0xff) |
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156 | #endif |
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157 | |
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158 | #ifndef PAGESIZE |
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159 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
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160 | #endif |
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161 | |
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162 | /*****************************************************************************/ |
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163 | |
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164 | static void |
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165 | fiemap (eio_req *req) |
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166 | { |
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167 | req->result = -1; |
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168 | |
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169 | #if HAVE_FIEMAP |
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170 | /* assume some c99 */ |
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171 | struct fiemap *fiemap = 0; |
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172 | size_t end_offset; |
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173 | int count = req->int3; |
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174 | |
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175 | req->flags |= EIO_FLAG_PTR1_FREE; |
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176 | |
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177 | /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ |
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178 | /* increase in 3.5kb steps */ |
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179 | if (count < 0) |
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180 | count = 8; |
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181 | |
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182 | fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
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183 | errno = ENOMEM; |
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184 | if (!fiemap) |
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185 | return; |
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186 | |
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187 | req->ptr1 = fiemap; |
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188 | |
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189 | fiemap->fm_start = req->offs; |
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190 | fiemap->fm_length = req->size; |
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191 | fiemap->fm_flags = req->int2; |
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192 | fiemap->fm_extent_count = count; |
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193 | |
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194 | if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap)) |
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195 | return; |
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196 | |
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197 | if (req->int3 >= 0 /* not autosizing */ |
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198 | || !fiemap->fm_mapped_extents /* no more extents */ |
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199 | || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */) |
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200 | goto done; |
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201 | |
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202 | /* else we have to loop - |
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203 | * it would be tempting (atcually I tried that first) to just query the |
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204 | * number of extents needed, but linux often feels like not returning all |
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205 | * extents, without telling us it left any out. this complicates |
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206 | * this quite a bit. |
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207 | */ |
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208 | |
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209 | end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start); |
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210 | |
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211 | for (;;) |
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212 | { |
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213 | /* 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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214 | char scratch[3072]; |
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215 | struct fiemap *incmap = (struct fiemap *)scratch; |
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216 | |
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217 | incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical |
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218 | + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length; |
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219 | incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start); |
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220 | incmap->fm_flags = fiemap->fm_flags; |
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221 | incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent); |
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222 | |
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223 | if (ioctl (req->int1, FS_IOC_FIEMAP, incmap)) |
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224 | return; |
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225 | |
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226 | count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents; |
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227 | fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
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228 | errno = ENOMEM; |
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229 | if (!fiemap) |
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230 | return; |
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231 | |
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232 | req->ptr1 = fiemap; |
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233 | |
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234 | for (count = 0; count < incmap->fm_mapped_extents; ++count) |
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235 | { |
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236 | struct fiemap_extent *e = incmap->fm_extents + count; |
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237 | |
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238 | if (e->fe_logical + e->fe_length >= end_offset) |
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239 | goto done; |
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240 | |
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241 | fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e; |
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242 | |
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243 | if (e->fe_flags & FIEMAP_EXTENT_LAST) |
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244 | goto done; |
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245 | |
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246 | } |
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247 | } |
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248 | |
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249 | done: |
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250 | req->result = 0; |
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251 | |
46 | #else |
252 | #else |
47 | # define STACKSIZE 8192 |
253 | errno = ENOSYS; |
48 | #endif |
254 | #endif |
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255 | } |
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256 | |
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257 | /*****************************************************************************/ |
49 | |
258 | |
50 | enum { |
259 | enum { |
51 | REQ_QUIT, |
260 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
52 | REQ_OPEN, REQ_CLOSE, |
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53 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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54 | REQ_SENDFILE, |
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55 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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56 | REQ_FSYNC, REQ_FDATASYNC, |
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57 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
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58 | REQ_READDIR, |
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59 | REQ_LINK, REQ_SYMLINK, |
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60 | REQ_GROUP, REQ_NOP, |
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61 | REQ_SLEEP, |
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62 | }; |
261 | }; |
63 | |
262 | |
64 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
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65 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
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66 | |
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67 | typedef struct aio_cb |
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68 | { |
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69 | struct aio_cb *volatile next; |
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70 | |
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71 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
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72 | |
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73 | SV *self; /* the perl counterpart of this request, if any */ |
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74 | |
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75 | SV *data, *callback; |
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76 | SV *fh, *fh2; |
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77 | void *dataptr, *data2ptr; |
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78 | Stat_t *statdata; |
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79 | off_t offset; |
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80 | size_t length; |
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81 | ssize_t result; |
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82 | |
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83 | int type; |
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84 | int fd, fd2; |
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85 | int errorno; |
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86 | STRLEN dataoffset; |
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87 | mode_t mode; /* open */ |
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88 | unsigned char pri; |
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89 | unsigned char flags; |
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90 | } aio_cb; |
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91 | |
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92 | enum { |
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93 | FLAG_CANCELLED = 0x01, |
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94 | }; |
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95 | |
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96 | typedef aio_cb *aio_req; |
263 | typedef eio_req *aio_req; |
97 | typedef aio_cb *aio_req_ornot; |
264 | typedef eio_req *aio_req_ornot; |
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265 | typedef eio_wd aio_wd; |
98 | |
266 | |
99 | static int started, wanted; |
267 | static SV *on_next_submit; |
100 | static volatile int nreqs; |
268 | static int next_pri = EIO_PRI_DEFAULT; |
101 | static int max_outstanding = 1<<30; |
269 | static int max_outstanding; |
102 | static int respipe [2]; |
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103 | |
270 | |
104 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
271 | static s_epipe respipe; |
105 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
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106 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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107 | |
272 | |
108 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
273 | static void req_destroy (aio_req req); |
109 | static volatile aio_req ress, rese; /* queue start, queue end */ |
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110 | |
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111 | static void req_invoke (aio_req req); |
274 | static void req_cancel (aio_req req); |
112 | static void req_free (aio_req req); |
275 | |
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276 | static void |
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277 | want_poll (void) |
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278 | { |
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279 | /* write a dummy byte to the pipe so fh becomes ready */ |
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280 | s_epipe_signal (&respipe); |
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281 | } |
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282 | |
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283 | static void |
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284 | done_poll (void) |
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285 | { |
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286 | /* read any signals sent by the worker threads */ |
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287 | s_epipe_drain (&respipe); |
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288 | } |
113 | |
289 | |
114 | /* must be called at most once */ |
290 | /* must be called at most once */ |
115 | static SV *req_sv (aio_req req, const char *klass) |
291 | static SV * |
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292 | req_sv (aio_req req, HV *stash) |
116 | { |
293 | { |
117 | if (!req->self) |
294 | if (!req->self) |
118 | { |
295 | { |
119 | req->self = (SV *)newHV (); |
296 | req->self = (SV *)newHV (); |
120 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
297 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
121 | } |
298 | } |
122 | |
299 | |
123 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
300 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
124 | } |
301 | } |
125 | |
302 | |
126 | static aio_req SvAIO_REQ (SV *sv) |
303 | static SV * |
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304 | newSVaio_wd (aio_wd wd) |
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305 | { |
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306 | return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash); |
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307 | } |
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308 | |
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309 | static aio_req |
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310 | SvAIO_REQ (SV *sv) |
127 | { |
311 | { |
128 | MAGIC *mg; |
312 | MAGIC *mg; |
129 | |
313 | |
130 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
314 | if (!SvROK (sv) |
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315 | /* for speed reasons, we do not verify that SvROK actually has a stash ptr */ |
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316 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
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317 | && SvSTASH (SvRV (sv)) != aio_req_stash |
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318 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
131 | croak ("object of class " AIO_REQ_KLASS " expected"); |
319 | croak ("object of class IO::AIO::REQ expected"); |
132 | |
320 | |
133 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
321 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
134 | |
322 | |
135 | return mg ? (aio_req)mg->mg_ptr : 0; |
323 | return mg ? (aio_req)mg->mg_ptr : 0; |
136 | } |
324 | } |
137 | |
325 | |
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326 | static aio_wd |
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327 | SvAIO_WD (SV *sv) |
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328 | { |
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329 | if (!SvROK (sv) |
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330 | || SvTYPE (SvRV (sv)) != SVt_PVMG |
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331 | || SvSTASH (SvRV (sv)) != aio_wd_stash) |
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332 | croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
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333 | |
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334 | return (aio_wd)(long)SvIVX (SvRV (sv)); |
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335 | } |
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336 | |
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337 | static void |
138 | static void aio_grp_feed (aio_req grp) |
338 | aio_grp_feed (aio_req grp) |
139 | { |
339 | { |
140 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
340 | if (grp->sv2 && SvOK (grp->sv2)) |
141 | { |
341 | { |
142 | int old_len = grp->length; |
342 | dSP; |
143 | |
343 | |
144 | if (grp->fh2 && SvOK (grp->fh2)) |
344 | ENTER; |
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345 | SAVETMPS; |
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346 | PUSHMARK (SP); |
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347 | XPUSHs (req_sv (grp, aio_grp_stash)); |
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348 | PUTBACK; |
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349 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
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350 | SPAGAIN; |
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351 | FREETMPS; |
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352 | LEAVE; |
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353 | } |
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354 | } |
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355 | |
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356 | static void |
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357 | req_submit (eio_req *req) |
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358 | { |
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359 | eio_submit (req); |
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360 | |
|
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361 | if (expect_false (on_next_submit)) |
|
|
362 | { |
|
|
363 | dSP; |
|
|
364 | SV *cb = sv_2mortal (on_next_submit); |
|
|
365 | |
|
|
366 | on_next_submit = 0; |
|
|
367 | |
|
|
368 | PUSHMARK (SP); |
|
|
369 | PUTBACK; |
|
|
370 | call_sv (cb, G_DISCARD | G_EVAL); |
|
|
371 | } |
|
|
372 | } |
|
|
373 | |
|
|
374 | static int |
|
|
375 | req_invoke (eio_req *req) |
|
|
376 | { |
|
|
377 | if (req->flags & FLAG_SV2_RO_OFF) |
|
|
378 | SvREADONLY_off (req->sv2); |
|
|
379 | |
|
|
380 | if (!EIO_CANCELLED (req) && req->callback) |
|
|
381 | { |
|
|
382 | dSP; |
|
|
383 | static SV *sv_result_cache; /* caches the result integer SV */ |
|
|
384 | SV *sv_result; |
|
|
385 | |
|
|
386 | ENTER; |
|
|
387 | SAVETMPS; |
|
|
388 | PUSHMARK (SP); |
|
|
389 | EXTEND (SP, 1); |
|
|
390 | |
|
|
391 | /* do not recreate the result IV from scratch each time */ |
|
|
392 | if (expect_true (sv_result_cache)) |
145 | { |
393 | { |
146 | dSP; |
394 | sv_result = sv_result_cache; sv_result_cache = 0; |
147 | |
395 | SvIV_set (sv_result, req->result); |
148 | ENTER; |
396 | SvIOK_only (sv_result); |
149 | SAVETMPS; |
|
|
150 | PUSHMARK (SP); |
|
|
151 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
|
|
152 | PUTBACK; |
|
|
153 | call_sv (grp->fh2, G_VOID | G_EVAL); |
|
|
154 | SPAGAIN; |
|
|
155 | FREETMPS; |
|
|
156 | LEAVE; |
|
|
157 | } |
397 | } |
158 | |
398 | else |
159 | /* stop if no progress has been made */ |
|
|
160 | if (old_len == grp->length) |
|
|
161 | { |
399 | { |
162 | SvREFCNT_dec (grp->fh2); |
400 | sv_result = newSViv (req->result); |
163 | grp->fh2 = 0; |
401 | SvREADONLY_on (sv_result); |
164 | break; |
|
|
165 | } |
402 | } |
|
|
403 | |
|
|
404 | switch (req->type) |
|
|
405 | { |
|
|
406 | case EIO_WD_OPEN: |
|
|
407 | PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd))); |
|
|
408 | break; |
|
|
409 | |
|
|
410 | case EIO_READDIR: |
|
|
411 | { |
|
|
412 | SV *rv = &PL_sv_undef; |
|
|
413 | |
|
|
414 | if (req->result >= 0) |
|
|
415 | { |
|
|
416 | int i; |
|
|
417 | char *names = (char *)req->ptr2; |
|
|
418 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
|
|
419 | AV *av = newAV (); |
|
|
420 | |
|
|
421 | av_extend (av, req->result - 1); |
|
|
422 | |
|
|
423 | for (i = 0; i < req->result; ++i) |
|
|
424 | { |
|
|
425 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
426 | { |
|
|
427 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
|
|
428 | |
|
|
429 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
430 | { |
|
|
431 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
432 | AV *avent = newAV (); |
|
|
433 | |
|
|
434 | av_extend (avent, 2); |
|
|
435 | |
|
|
436 | if (!sv_type [ent->type]) |
|
|
437 | { |
|
|
438 | sv_type [ent->type] = newSViv (ent->type); |
|
|
439 | SvREADONLY_on (sv_type [ent->type]); |
|
|
440 | } |
|
|
441 | |
|
|
442 | av_store (avent, 0, namesv); |
|
|
443 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
444 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
445 | |
|
|
446 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
447 | } |
|
|
448 | else |
|
|
449 | av_store (av, i, namesv); |
|
|
450 | |
|
|
451 | ++ent; |
|
|
452 | } |
|
|
453 | else |
|
|
454 | { |
|
|
455 | SV *name = newSVpv (names, 0); |
|
|
456 | av_store (av, i, name); |
|
|
457 | names += SvCUR (name) + 1; |
|
|
458 | } |
|
|
459 | } |
|
|
460 | |
|
|
461 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
|
462 | } |
|
|
463 | |
|
|
464 | PUSHs (rv); |
|
|
465 | |
|
|
466 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
467 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
|
|
468 | } |
|
|
469 | break; |
|
|
470 | |
|
|
471 | case EIO_OPEN: |
|
|
472 | { |
|
|
473 | /* convert fd to fh */ |
|
|
474 | SV *fh = &PL_sv_undef; |
|
|
475 | |
|
|
476 | if (req->result >= 0) |
|
|
477 | { |
|
|
478 | GV *gv = (GV *)sv_newmortal (); |
|
|
479 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
|
|
480 | char sym [64]; |
|
|
481 | int symlen; |
|
|
482 | |
|
|
483 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
|
|
484 | gv_init (gv, aio_stash, sym, symlen, 0); |
|
|
485 | |
|
|
486 | symlen = snprintf ( |
|
|
487 | sym, |
|
|
488 | sizeof (sym), |
|
|
489 | "%s&=%d", |
|
|
490 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
491 | (int)req->result |
|
|
492 | ); |
|
|
493 | |
|
|
494 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
495 | fh = (SV *)gv; |
|
|
496 | } |
|
|
497 | |
|
|
498 | PUSHs (fh); |
|
|
499 | } |
|
|
500 | break; |
|
|
501 | |
|
|
502 | case EIO_STATVFS: |
|
|
503 | case EIO_FSTATVFS: |
|
|
504 | { |
|
|
505 | SV *rv = &PL_sv_undef; |
|
|
506 | |
|
|
507 | #ifndef _WIN32 |
|
|
508 | if (req->result >= 0) |
|
|
509 | { |
|
|
510 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
511 | HV *hv = newHV (); |
|
|
512 | |
|
|
513 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
|
|
514 | |
|
|
515 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
|
|
516 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
517 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
518 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
519 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
520 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
521 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
522 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
523 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
|
|
524 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
525 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
526 | } |
|
|
527 | #endif |
|
|
528 | |
|
|
529 | PUSHs (rv); |
|
|
530 | } |
|
|
531 | |
|
|
532 | break; |
|
|
533 | |
|
|
534 | case EIO_GROUP: |
|
|
535 | req->int1 = 2; /* mark group as finished */ |
|
|
536 | |
|
|
537 | if (req->sv1) |
|
|
538 | { |
|
|
539 | int i; |
|
|
540 | AV *av = (AV *)req->sv1; |
|
|
541 | |
|
|
542 | EXTEND (SP, AvFILL (av) + 1); |
|
|
543 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
544 | PUSHs (*av_fetch (av, i, 0)); |
|
|
545 | } |
|
|
546 | break; |
|
|
547 | |
|
|
548 | case EIO_NOP: |
|
|
549 | case EIO_BUSY: |
|
|
550 | break; |
|
|
551 | |
|
|
552 | case EIO_READLINK: |
|
|
553 | case EIO_REALPATH: |
|
|
554 | if (req->result > 0) |
|
|
555 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
556 | break; |
|
|
557 | |
|
|
558 | case EIO_STAT: |
|
|
559 | case EIO_LSTAT: |
|
|
560 | case EIO_FSTAT: |
|
|
561 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
562 | |
|
|
563 | if (!(PL_laststatval = req->result)) |
|
|
564 | /* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
|
|
565 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
566 | |
|
|
567 | PUSHs (sv_result); |
|
|
568 | break; |
|
|
569 | |
|
|
570 | case EIO_SEEK: |
|
|
571 | PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs))); |
|
|
572 | break; |
|
|
573 | |
|
|
574 | case EIO_READ: |
|
|
575 | { |
|
|
576 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
577 | *SvEND (req->sv2) = 0; |
|
|
578 | SvPOK_only (req->sv2); |
|
|
579 | SvSETMAGIC (req->sv2); |
|
|
580 | PUSHs (sv_result); |
|
|
581 | } |
|
|
582 | break; |
|
|
583 | |
|
|
584 | case EIO_CUSTOM: |
|
|
585 | if (req->feed == fiemap) |
|
|
586 | { |
|
|
587 | #if HAVE_FIEMAP |
|
|
588 | if (!req->result) |
|
|
589 | { |
|
|
590 | struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
|
|
591 | |
|
|
592 | if (fiemap->fm_extent_count) |
|
|
593 | { |
|
|
594 | AV *av = newAV (); |
|
|
595 | int i; |
|
|
596 | |
|
|
597 | while (fiemap->fm_mapped_extents) |
|
|
598 | { |
|
|
599 | struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents]; |
|
|
600 | AV *ext_av = newAV (); |
|
|
601 | |
|
|
602 | av_store (ext_av, 3, newSVuv (extent->fe_flags)); |
|
|
603 | av_store (ext_av, 2, newSVval64 (extent->fe_length)); |
|
|
604 | av_store (ext_av, 1, newSVval64 (extent->fe_physical)); |
|
|
605 | av_store (ext_av, 0, newSVval64 (extent->fe_logical)); |
|
|
606 | |
|
|
607 | av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av)); |
|
|
608 | } |
|
|
609 | |
|
|
610 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
611 | } |
|
|
612 | else |
|
|
613 | { |
|
|
614 | SvIV_set (sv_result, fiemap->fm_mapped_extents); |
|
|
615 | PUSHs (sv_result); |
|
|
616 | } |
|
|
617 | } |
|
|
618 | #endif |
|
|
619 | } |
|
|
620 | else |
|
|
621 | PUSHs (sv_result); |
|
|
622 | break; |
|
|
623 | |
|
|
624 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
|
|
625 | if (req->result > 0) |
|
|
626 | SvIV_set (sv_result, 0); |
|
|
627 | /* FALLTHROUGH */ |
|
|
628 | |
|
|
629 | default: |
|
|
630 | PUSHs (sv_result); |
|
|
631 | break; |
|
|
632 | } |
|
|
633 | |
|
|
634 | errno = req->errorno; |
|
|
635 | |
|
|
636 | PUTBACK; |
|
|
637 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
|
|
638 | SPAGAIN; |
|
|
639 | |
|
|
640 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
641 | SvREFCNT_dec (sv_result); |
|
|
642 | else |
|
|
643 | sv_result_cache = sv_result; |
|
|
644 | |
|
|
645 | FREETMPS; |
|
|
646 | LEAVE; |
|
|
647 | |
|
|
648 | PUTBACK; |
166 | } |
649 | } |
167 | } |
|
|
168 | |
650 | |
169 | static void aio_grp_dec (aio_req grp) |
651 | return !!SvTRUE (ERRSV); |
170 | { |
|
|
171 | --grp->length; |
|
|
172 | |
|
|
173 | /* call feeder, if applicable */ |
|
|
174 | aio_grp_feed (grp); |
|
|
175 | |
|
|
176 | /* finish, if done */ |
|
|
177 | if (!grp->length && grp->fd) |
|
|
178 | { |
|
|
179 | req_invoke (grp); |
|
|
180 | req_free (grp); |
|
|
181 | } |
|
|
182 | } |
652 | } |
183 | |
653 | |
184 | static void poll_wait () |
654 | static void |
|
|
655 | req_destroy (aio_req req) |
185 | { |
656 | { |
186 | if (nreqs && !ress) |
|
|
187 | { |
|
|
188 | fd_set rfd; |
|
|
189 | FD_ZERO(&rfd); |
|
|
190 | FD_SET(respipe [0], &rfd); |
|
|
191 | |
|
|
192 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
193 | } |
|
|
194 | } |
|
|
195 | |
|
|
196 | static void req_invoke (aio_req req) |
|
|
197 | { |
|
|
198 | dSP; |
|
|
199 | int errorno = errno; |
|
|
200 | |
|
|
201 | if (req->flags & FLAG_CANCELLED || !SvOK (req->callback)) |
|
|
202 | return; |
|
|
203 | |
|
|
204 | errno = req->errorno; |
|
|
205 | |
|
|
206 | ENTER; |
|
|
207 | SAVETMPS; |
|
|
208 | PUSHMARK (SP); |
|
|
209 | EXTEND (SP, 1); |
|
|
210 | |
|
|
211 | switch (req->type) |
|
|
212 | { |
|
|
213 | case REQ_READDIR: |
|
|
214 | { |
|
|
215 | SV *rv = &PL_sv_undef; |
|
|
216 | |
|
|
217 | if (req->result >= 0) |
|
|
218 | { |
|
|
219 | char *buf = req->data2ptr; |
|
|
220 | AV *av = newAV (); |
|
|
221 | |
|
|
222 | while (req->result) |
|
|
223 | { |
|
|
224 | SV *sv = newSVpv (buf, 0); |
|
|
225 | |
|
|
226 | av_push (av, sv); |
|
|
227 | buf += SvCUR (sv) + 1; |
|
|
228 | req->result--; |
|
|
229 | } |
|
|
230 | |
|
|
231 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
|
232 | } |
|
|
233 | |
|
|
234 | PUSHs (rv); |
|
|
235 | } |
|
|
236 | break; |
|
|
237 | |
|
|
238 | case REQ_OPEN: |
|
|
239 | { |
|
|
240 | /* convert fd to fh */ |
|
|
241 | SV *fh; |
|
|
242 | |
|
|
243 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
244 | PUTBACK; |
|
|
245 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
246 | SPAGAIN; |
|
|
247 | |
|
|
248 | fh = SvREFCNT_inc (POPs); |
|
|
249 | |
|
|
250 | PUSHMARK (SP); |
|
|
251 | XPUSHs (sv_2mortal (fh)); |
|
|
252 | } |
|
|
253 | break; |
|
|
254 | |
|
|
255 | case REQ_GROUP: |
|
|
256 | req->fd = 2; /* mark group as finished */ |
|
|
257 | |
|
|
258 | if (req->data) |
|
|
259 | { |
|
|
260 | int i; |
|
|
261 | AV *av = (AV *)req->data; |
|
|
262 | |
|
|
263 | EXTEND (SP, AvFILL (av) + 1); |
|
|
264 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
265 | PUSHs (*av_fetch (av, i, 0)); |
|
|
266 | } |
|
|
267 | break; |
|
|
268 | |
|
|
269 | case REQ_NOP: |
|
|
270 | case REQ_SLEEP: |
|
|
271 | break; |
|
|
272 | |
|
|
273 | default: |
|
|
274 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
275 | break; |
|
|
276 | } |
|
|
277 | |
|
|
278 | |
|
|
279 | PUTBACK; |
|
|
280 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
281 | SPAGAIN; |
|
|
282 | |
|
|
283 | FREETMPS; |
|
|
284 | LEAVE; |
|
|
285 | |
|
|
286 | errno = errorno; |
|
|
287 | |
|
|
288 | if (SvTRUE (ERRSV)) |
|
|
289 | { |
|
|
290 | req_free (req); |
|
|
291 | croak (0); |
|
|
292 | } |
|
|
293 | } |
|
|
294 | |
|
|
295 | static void req_free (aio_req req) |
|
|
296 | { |
|
|
297 | if (req->grp) |
|
|
298 | { |
|
|
299 | aio_req grp = req->grp; |
|
|
300 | |
|
|
301 | /* unlink request */ |
|
|
302 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
303 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
304 | |
|
|
305 | if (grp->grp_first == req) |
|
|
306 | grp->grp_first = req->grp_next; |
|
|
307 | |
|
|
308 | aio_grp_dec (grp); |
|
|
309 | } |
|
|
310 | |
|
|
311 | if (req->self) |
657 | if (req->self) |
312 | { |
658 | { |
313 | sv_unmagic (req->self, PERL_MAGIC_ext); |
659 | sv_unmagic (req->self, PERL_MAGIC_ext); |
314 | SvREFCNT_dec (req->self); |
660 | SvREFCNT_dec (req->self); |
315 | } |
661 | } |
316 | |
662 | |
317 | SvREFCNT_dec (req->data); |
|
|
318 | SvREFCNT_dec (req->fh); |
663 | SvREFCNT_dec (req->sv1); |
319 | SvREFCNT_dec (req->fh2); |
664 | SvREFCNT_dec (req->sv2); |
|
|
665 | SvREFCNT_dec (req->sv3); |
|
|
666 | SvREFCNT_dec (req->sv4); |
320 | SvREFCNT_dec (req->callback); |
667 | SvREFCNT_dec (req->callback); |
321 | Safefree (req->statdata); |
|
|
322 | |
668 | |
323 | if (req->type == REQ_READDIR && req->result >= 0) |
|
|
324 | free (req->data2ptr); |
|
|
325 | |
|
|
326 | Safefree (req); |
669 | free (req); |
327 | } |
670 | } |
328 | |
671 | |
329 | static void req_cancel (aio_req req) |
672 | static void |
|
|
673 | req_cancel_subs (aio_req grp) |
330 | { |
674 | { |
331 | req->flags |= FLAG_CANCELLED; |
|
|
332 | |
|
|
333 | if (req->type == REQ_GROUP) |
675 | if (grp->type != EIO_GROUP) |
|
|
676 | return; |
|
|
677 | |
|
|
678 | SvREFCNT_dec (grp->sv2); |
|
|
679 | grp->sv2 = 0; |
|
|
680 | |
|
|
681 | eio_grp_cancel (grp); |
|
|
682 | } |
|
|
683 | |
|
|
684 | static void ecb_cold |
|
|
685 | create_respipe (void) |
|
|
686 | { |
|
|
687 | if (s_epipe_renew (&respipe)) |
|
|
688 | croak ("IO::AIO: unable to initialize result pipe"); |
|
|
689 | } |
|
|
690 | |
|
|
691 | static void |
|
|
692 | poll_wait (void) |
|
|
693 | { |
|
|
694 | while (eio_nreqs ()) |
334 | { |
695 | { |
335 | aio_req sub; |
696 | int size; |
336 | |
697 | |
337 | for (sub = req->grp_first; sub; sub = sub->grp_next) |
698 | X_LOCK (reslock); |
338 | req_cancel (sub); |
699 | size = res_queue.size; |
|
|
700 | X_UNLOCK (reslock); |
|
|
701 | |
|
|
702 | if (size) |
|
|
703 | return; |
|
|
704 | |
|
|
705 | etp_maybe_start_thread (); |
|
|
706 | |
|
|
707 | s_epipe_wait (&respipe); |
339 | } |
708 | } |
340 | } |
709 | } |
341 | |
710 | |
342 | static int poll_cb () |
711 | static int |
|
|
712 | poll_cb (void) |
343 | { |
713 | { |
344 | dSP; |
|
|
345 | int count = 0; |
|
|
346 | int do_croak = 0; |
|
|
347 | aio_req req; |
|
|
348 | |
|
|
349 | for (;;) |
714 | for (;;) |
350 | { |
715 | { |
351 | pthread_mutex_lock (&reslock); |
716 | int res = eio_poll (); |
352 | req = ress; |
|
|
353 | |
717 | |
354 | if (req) |
718 | if (res > 0) |
|
|
719 | croak (0); |
|
|
720 | |
|
|
721 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
722 | return res; |
|
|
723 | |
|
|
724 | poll_wait (); |
|
|
725 | } |
|
|
726 | } |
|
|
727 | |
|
|
728 | static void ecb_cold |
|
|
729 | reinit (void) |
|
|
730 | { |
|
|
731 | create_respipe (); |
|
|
732 | |
|
|
733 | if (eio_init (want_poll, done_poll) < 0) |
|
|
734 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
735 | } |
|
|
736 | |
|
|
737 | /*****************************************************************************/ |
|
|
738 | |
|
|
739 | #if !_POSIX_MAPPED_FILES |
|
|
740 | # define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () |
|
|
741 | # define munmap(addr,length) EIO_ENOSYS () |
|
|
742 | #endif |
|
|
743 | |
|
|
744 | #if !_POSIX_MEMORY_PROTECTION |
|
|
745 | # define mprotect(addr,len,prot) EIO_ENOSYS () |
|
|
746 | # define PROT_NONE 0 |
|
|
747 | # define PROT_WRITE 0 |
|
|
748 | # define MAP_PRIVATE 0 |
|
|
749 | # define MAP_SHARED 0 |
|
|
750 | # define MAP_FIXED 0 |
|
|
751 | #endif |
|
|
752 | |
|
|
753 | #define MMAP_MAGIC PERL_MAGIC_ext |
|
|
754 | |
|
|
755 | static int ecb_cold |
|
|
756 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
757 | { |
|
|
758 | int old_errno = errno; |
|
|
759 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
760 | errno = old_errno; |
|
|
761 | |
|
|
762 | mg->mg_obj = 0; /* just in case */ |
|
|
763 | |
|
|
764 | SvREADONLY_off (sv); |
|
|
765 | |
|
|
766 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
767 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
768 | |
|
|
769 | SvCUR_set (sv, 0); |
|
|
770 | SvPVX (sv) = 0; |
|
|
771 | SvOK_off (sv); |
|
|
772 | |
|
|
773 | return 0; |
|
|
774 | } |
|
|
775 | |
|
|
776 | static MGVTBL mmap_vtbl = { |
|
|
777 | 0, 0, 0, 0, mmap_free |
|
|
778 | }; |
|
|
779 | |
|
|
780 | /*****************************************************************************/ |
|
|
781 | |
|
|
782 | static SV * |
|
|
783 | get_cb (SV *cb_sv) |
|
|
784 | { |
|
|
785 | SvGETMAGIC (cb_sv); |
|
|
786 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
|
|
787 | } |
|
|
788 | |
|
|
789 | static aio_req ecb_noinline |
|
|
790 | dreq (SV *callback) |
|
|
791 | { |
|
|
792 | SV *cb_cv; |
|
|
793 | aio_req req; |
|
|
794 | int req_pri = next_pri; |
|
|
795 | next_pri = EIO_PRI_DEFAULT; |
|
|
796 | |
|
|
797 | cb_cv = get_cb (callback); |
|
|
798 | |
|
|
799 | req = calloc (sizeof (*req), 1); |
|
|
800 | if (!req) |
|
|
801 | croak ("out of memory during eio_req allocation"); |
|
|
802 | |
|
|
803 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
804 | req->pri = req_pri; |
|
|
805 | |
|
|
806 | return req; |
|
|
807 | } |
|
|
808 | |
|
|
809 | #define dREQ \ |
|
|
810 | aio_req req = dreq (callback); \ |
|
|
811 | |
|
|
812 | #define REQ_SEND \ |
|
|
813 | PUTBACK; \ |
|
|
814 | req_submit (req); \ |
|
|
815 | SPAGAIN; \ |
|
|
816 | \ |
|
|
817 | if (GIMME_V != G_VOID) \ |
|
|
818 | XPUSHs (req_sv (req, aio_req_stash)); |
|
|
819 | |
|
|
820 | ecb_inline void |
|
|
821 | req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
|
|
822 | { |
|
|
823 | if (expect_false (SvROK (path))) |
|
|
824 | { |
|
|
825 | SV *rv = SvRV (path); |
|
|
826 | SV *wdob; |
|
|
827 | |
|
|
828 | if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) |
355 | { |
829 | { |
356 | ress = req->next; |
830 | path = AvARRAY (rv)[1]; |
|
|
831 | wdob = AvARRAY (rv)[0]; |
357 | |
832 | |
358 | if (!ress) |
833 | if (SvOK (wdob)) |
359 | { |
834 | { |
360 | /* read any signals sent by the worker threads */ |
835 | *wd = SvAIO_WD (wdob); |
361 | char buf [32]; |
836 | *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
362 | while (read (respipe [0], buf, 32) == 32) |
|
|
363 | ; |
|
|
364 | |
|
|
365 | rese = 0; |
|
|
366 | } |
837 | } |
|
|
838 | else |
|
|
839 | *wd = EIO_INVALID_WD; |
367 | } |
840 | } |
368 | |
841 | else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) |
369 | pthread_mutex_unlock (&reslock); |
|
|
370 | |
|
|
371 | if (!req) |
|
|
372 | break; |
|
|
373 | |
|
|
374 | --nreqs; |
|
|
375 | |
|
|
376 | if (req->type == REQ_QUIT) |
|
|
377 | started--; |
|
|
378 | else if (req->type == REQ_GROUP && req->length) |
|
|
379 | { |
842 | { |
380 | req->fd = 1; /* mark request as delayed */ |
843 | *wd = (aio_wd)(long)SvIVX (rv); |
381 | continue; |
844 | *wdsv = SvREFCNT_inc_NN (rv); |
|
|
845 | *ptr = "."; |
|
|
846 | return; /* path set to "." */ |
382 | } |
847 | } |
383 | else |
848 | else |
384 | { |
849 | croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); |
385 | if (req->type == REQ_READ) |
|
|
386 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
387 | |
|
|
388 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
389 | SvREADONLY_off (req->data); |
|
|
390 | |
|
|
391 | if (req->statdata) |
|
|
392 | { |
|
|
393 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
394 | PL_laststatval = req->result; |
|
|
395 | PL_statcache = *(req->statdata); |
|
|
396 | } |
|
|
397 | |
|
|
398 | req_invoke (req); |
|
|
399 | |
|
|
400 | count++; |
|
|
401 | } |
|
|
402 | |
|
|
403 | req_free (req); |
|
|
404 | } |
850 | } |
405 | |
851 | |
406 | return count; |
852 | *pathsv = newSVsv (path); |
|
|
853 | *ptr = SvPVbyte_nolen (*pathsv); |
407 | } |
854 | } |
408 | |
855 | |
409 | static void *aio_proc(void *arg); |
856 | static void ecb_noinline |
410 | |
857 | req_set_path1 (aio_req req, SV *path) |
411 | static void start_thread (void) |
|
|
412 | { |
858 | { |
413 | sigset_t fullsigset, oldsigset; |
859 | req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
414 | pthread_t tid; |
|
|
415 | pthread_attr_t attr; |
|
|
416 | |
|
|
417 | pthread_attr_init (&attr); |
|
|
418 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
419 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
420 | |
|
|
421 | sigfillset (&fullsigset); |
|
|
422 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
423 | |
|
|
424 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
|
|
425 | started++; |
|
|
426 | |
|
|
427 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
428 | } |
860 | } |
429 | |
861 | |
430 | static void req_send (aio_req req) |
862 | static void ecb_noinline |
|
|
863 | req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
431 | { |
864 | { |
432 | while (started < wanted && nreqs >= started) |
865 | SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
433 | start_thread (); |
|
|
434 | |
866 | |
435 | ++nreqs; |
867 | switch (SvTYPE (rv)) |
436 | |
|
|
437 | pthread_mutex_lock (&reqlock); |
|
|
438 | |
|
|
439 | req->next = 0; |
|
|
440 | |
|
|
441 | if (reqe) |
|
|
442 | { |
868 | { |
443 | reqe->next = req; |
869 | case SVt_PVIO: |
444 | reqe = req; |
870 | case SVt_PVLV: |
|
|
871 | case SVt_PVGV: |
|
|
872 | req->type = type_fh; |
|
|
873 | req->sv1 = newSVsv (fh_or_path); |
|
|
874 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
875 | break; |
|
|
876 | |
|
|
877 | default: |
|
|
878 | req->type = type_path; |
|
|
879 | req_set_path1 (req, fh_or_path); |
|
|
880 | break; |
445 | } |
881 | } |
446 | else |
|
|
447 | reqe = reqs = req; |
|
|
448 | |
|
|
449 | pthread_cond_signal (&reqwait); |
|
|
450 | pthread_mutex_unlock (&reqlock); |
|
|
451 | |
|
|
452 | if (nreqs > max_outstanding) |
|
|
453 | for (;;) |
|
|
454 | { |
|
|
455 | poll_cb (); |
|
|
456 | |
|
|
457 | if (nreqs <= max_outstanding) |
|
|
458 | break; |
|
|
459 | |
|
|
460 | poll_wait (); |
|
|
461 | } |
|
|
462 | } |
882 | } |
463 | |
883 | |
464 | static void end_thread (void) |
884 | XS(boot_IO__AIO) ecb_cold; |
465 | { |
|
|
466 | aio_req req; |
|
|
467 | Newz (0, req, 1, aio_cb); |
|
|
468 | req->type = REQ_QUIT; |
|
|
469 | |
885 | |
470 | req_send (req); |
886 | MODULE = IO::AIO PACKAGE = IO::AIO |
471 | } |
|
|
472 | |
887 | |
473 | static void min_parallel (int nthreads) |
888 | PROTOTYPES: ENABLE |
474 | { |
|
|
475 | if (wanted < nthreads) |
|
|
476 | wanted = nthreads; |
|
|
477 | } |
|
|
478 | |
889 | |
479 | static void max_parallel (int nthreads) |
890 | BOOT: |
480 | { |
891 | { |
481 | int cur = started; |
892 | static const struct { |
|
|
893 | const char *name; |
|
|
894 | IV iv; |
|
|
895 | } *civ, const_iv[] = { |
|
|
896 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
897 | # define const_iv(name) { # name, (IV) name }, |
|
|
898 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
482 | |
899 | |
483 | if (wanted > nthreads) |
900 | /* you have to re-run ./gendef0 after adding/Removing any constants here */ |
484 | wanted = nthreads; |
|
|
485 | |
901 | |
486 | while (cur > wanted) |
902 | const_iv (ENOSYS) |
487 | { |
903 | const_iv (EXDEV) |
488 | end_thread (); |
904 | const_iv (EBADR) |
489 | cur--; |
|
|
490 | } |
|
|
491 | |
905 | |
492 | while (started > wanted) |
906 | const_iv (O_RDONLY) |
493 | { |
907 | const_iv (O_WRONLY) |
494 | poll_wait (); |
908 | const_iv (O_RDWR) |
495 | poll_cb (); |
909 | const_iv (O_CREAT) |
496 | } |
910 | const_iv (O_TRUNC) |
497 | } |
911 | const_iv (O_EXCL) |
|
|
912 | const_iv (O_APPEND) |
498 | |
913 | |
499 | static void create_pipe () |
914 | const_iv (O_ASYNC) |
500 | { |
915 | const_iv (O_DIRECT) |
501 | if (pipe (respipe)) |
916 | const_iv (O_NOATIME) |
502 | croak ("unable to initialize result pipe"); |
|
|
503 | |
917 | |
504 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
918 | const_iv (O_CLOEXEC) |
505 | croak ("cannot set result pipe to nonblocking mode"); |
919 | const_iv (O_NOCTTY) |
|
|
920 | const_iv (O_NOFOLLOW) |
|
|
921 | const_iv (O_NONBLOCK) |
|
|
922 | const_iv (O_EXEC) |
|
|
923 | const_iv (O_SEARCH) |
|
|
924 | const_iv (O_DIRECTORY) |
|
|
925 | const_iv (O_DSYNC) |
|
|
926 | const_iv (O_RSYNC) |
|
|
927 | const_iv (O_SYNC) |
|
|
928 | const_iv (O_TTY_INIT) |
506 | |
929 | |
507 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
930 | const_iv (S_IFIFO) |
508 | croak ("cannot set result pipe to nonblocking mode"); |
931 | const_iv (S_IFCHR) |
509 | } |
932 | const_iv (S_IFBLK) |
|
|
933 | const_iv (S_IFLNK) |
|
|
934 | const_iv (S_IFREG) |
|
|
935 | const_iv (S_IFDIR) |
|
|
936 | const_iv (S_IFWHT) |
|
|
937 | const_iv (S_IFSOCK) |
|
|
938 | const_iv (S_IFMT) |
510 | |
939 | |
511 | /*****************************************************************************/ |
940 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
512 | /* work around various missing functions */ |
941 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
942 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
943 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
944 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
945 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
513 | |
946 | |
514 | #if !HAVE_PREADWRITE |
947 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
515 | # define pread aio_pread |
948 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
516 | # define pwrite aio_pwrite |
949 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
950 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
951 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
517 | |
952 | |
518 | /* |
953 | const_iv (ST_RDONLY) |
519 | * make our pread/pwrite safe against themselves, but not against |
954 | const_iv (ST_NOSUID) |
520 | * normal read/write by using a mutex. slows down execution a lot, |
955 | const_iv (ST_NODEV) |
521 | * but that's your problem, not mine. |
956 | const_iv (ST_NOEXEC) |
522 | */ |
957 | const_iv (ST_SYNCHRONOUS) |
523 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
958 | const_iv (ST_MANDLOCK) |
|
|
959 | const_iv (ST_WRITE) |
|
|
960 | const_iv (ST_APPEND) |
|
|
961 | const_iv (ST_IMMUTABLE) |
|
|
962 | const_iv (ST_NOATIME) |
|
|
963 | const_iv (ST_NODIRATIME) |
|
|
964 | const_iv (ST_RELATIME) |
524 | |
965 | |
525 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
966 | const_iv (PROT_NONE) |
526 | { |
967 | const_iv (PROT_EXEC) |
527 | ssize_t res; |
968 | const_iv (PROT_READ) |
528 | off_t ooffset; |
969 | const_iv (PROT_WRITE) |
529 | |
970 | |
530 | pthread_mutex_lock (&preadwritelock); |
971 | /*const_iv (MAP_FIXED)*/ |
531 | ooffset = lseek (fd, 0, SEEK_CUR); |
972 | const_iv (MAP_PRIVATE) |
532 | lseek (fd, offset, SEEK_SET); |
973 | const_iv (MAP_SHARED) |
533 | res = read (fd, buf, count); |
974 | const_iv (MAP_ANONYMOUS) |
534 | lseek (fd, ooffset, SEEK_SET); |
|
|
535 | pthread_mutex_unlock (&preadwritelock); |
|
|
536 | |
975 | |
537 | return res; |
976 | /* linuxish */ |
538 | } |
977 | const_iv (MAP_HUGETLB) |
|
|
978 | const_iv (MAP_LOCKED) |
|
|
979 | const_iv (MAP_NORESERVE) |
|
|
980 | const_iv (MAP_POPULATE) |
|
|
981 | const_iv (MAP_NONBLOCK) |
539 | |
982 | |
540 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
983 | const_iv (FIEMAP_FLAG_SYNC) |
541 | { |
984 | const_iv (FIEMAP_FLAG_XATTR) |
542 | ssize_t res; |
985 | const_iv (FIEMAP_FLAGS_COMPAT) |
543 | off_t ooffset; |
986 | const_iv (FIEMAP_EXTENT_LAST) |
|
|
987 | const_iv (FIEMAP_EXTENT_UNKNOWN) |
|
|
988 | const_iv (FIEMAP_EXTENT_DELALLOC) |
|
|
989 | const_iv (FIEMAP_EXTENT_ENCODED) |
|
|
990 | const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) |
|
|
991 | const_iv (FIEMAP_EXTENT_NOT_ALIGNED) |
|
|
992 | const_iv (FIEMAP_EXTENT_DATA_INLINE) |
|
|
993 | const_iv (FIEMAP_EXTENT_DATA_TAIL) |
|
|
994 | const_iv (FIEMAP_EXTENT_UNWRITTEN) |
|
|
995 | const_iv (FIEMAP_EXTENT_MERGED) |
|
|
996 | const_iv (FIEMAP_EXTENT_SHARED) |
544 | |
997 | |
545 | pthread_mutex_lock (&preadwritelock); |
998 | const_iv (SPLICE_F_MOVE) |
546 | ooffset = lseek (fd, 0, SEEK_CUR); |
999 | const_iv (SPLICE_F_NONBLOCK) |
547 | lseek (fd, offset, SEEK_SET); |
1000 | const_iv (SPLICE_F_MORE) |
548 | res = write (fd, buf, count); |
1001 | const_iv (SPLICE_F_GIFT) |
549 | lseek (fd, offset, SEEK_SET); |
|
|
550 | pthread_mutex_unlock (&preadwritelock); |
|
|
551 | |
1002 | |
552 | return res; |
1003 | const_iv (SEEK_DATA) |
553 | } |
1004 | const_iv (SEEK_HOLE) |
554 | #endif |
|
|
555 | |
1005 | |
556 | #if !HAVE_FDATASYNC |
1006 | /* libeio constants */ |
557 | # define fdatasync fsync |
1007 | const_eio (SEEK_SET) |
558 | #endif |
1008 | const_eio (SEEK_CUR) |
|
|
1009 | const_eio (SEEK_END) |
559 | |
1010 | |
560 | #if !HAVE_READAHEAD |
1011 | const_eio (MCL_FUTURE) |
561 | # define readahead aio_readahead |
1012 | const_eio (MCL_CURRENT) |
562 | |
1013 | |
563 | static ssize_t readahead (int fd, off_t offset, size_t count) |
1014 | const_eio (MS_ASYNC) |
564 | { |
1015 | const_eio (MS_INVALIDATE) |
565 | char readahead_buf[4096]; |
1016 | const_eio (MS_SYNC) |
566 | |
1017 | |
567 | while (count > 0) |
1018 | const_eio (MT_MODIFY) |
568 | { |
|
|
569 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
|
|
570 | |
1019 | |
571 | pread (fd, readahead_buf, len, offset); |
1020 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
572 | offset += len; |
1021 | const_eio (SYNC_FILE_RANGE_WRITE) |
573 | count -= len; |
1022 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
574 | } |
|
|
575 | |
1023 | |
576 | errno = 0; |
1024 | const_eio (FALLOC_FL_KEEP_SIZE) |
577 | } |
1025 | const_eio (FALLOC_FL_PUNCH_HOLE) |
578 | #endif |
|
|
579 | |
1026 | |
580 | #if !HAVE_READDIR_R |
1027 | const_eio (READDIR_DENTS) |
581 | # define readdir_r aio_readdir_r |
1028 | const_eio (READDIR_DIRS_FIRST) |
|
|
1029 | const_eio (READDIR_STAT_ORDER) |
|
|
1030 | const_eio (READDIR_FOUND_UNKNOWN) |
582 | |
1031 | |
583 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
1032 | const_eio (DT_UNKNOWN) |
584 | |
1033 | const_eio (DT_FIFO) |
585 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
1034 | const_eio (DT_CHR) |
586 | { |
1035 | const_eio (DT_DIR) |
587 | struct dirent *e; |
1036 | const_eio (DT_BLK) |
588 | int errorno; |
1037 | const_eio (DT_REG) |
589 | |
1038 | const_eio (DT_LNK) |
590 | pthread_mutex_lock (&readdirlock); |
1039 | const_eio (DT_SOCK) |
591 | |
1040 | const_eio (DT_WHT) |
592 | e = readdir (dirp); |
|
|
593 | errorno = errno; |
|
|
594 | |
|
|
595 | if (e) |
|
|
596 | { |
|
|
597 | *res = ent; |
|
|
598 | strcpy (ent->d_name, e->d_name); |
|
|
599 | } |
|
|
600 | else |
|
|
601 | *res = 0; |
|
|
602 | |
|
|
603 | pthread_mutex_unlock (&readdirlock); |
|
|
604 | |
|
|
605 | errno = errorno; |
|
|
606 | return e ? 0 : -1; |
|
|
607 | } |
|
|
608 | #endif |
|
|
609 | |
|
|
610 | /* sendfile always needs emulation */ |
|
|
611 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
|
|
612 | { |
|
|
613 | ssize_t res; |
|
|
614 | |
|
|
615 | if (!count) |
|
|
616 | return 0; |
|
|
617 | |
|
|
618 | #if HAVE_SENDFILE |
|
|
619 | # if __linux |
|
|
620 | res = sendfile (ofd, ifd, &offset, count); |
|
|
621 | |
|
|
622 | # elif __freebsd |
|
|
623 | /* |
|
|
624 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
625 | * wasted on making it similar to other I/O functions. |
|
|
626 | */ |
|
|
627 | { |
|
|
628 | off_t sbytes; |
|
|
629 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
630 | |
|
|
631 | if (res < 0 && sbytes) |
|
|
632 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
|
|
633 | res = sbytes; |
|
|
634 | } |
1041 | }; |
635 | |
1042 | |
636 | # elif __hpux |
1043 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
637 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
1044 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
1045 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
|
|
1046 | aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
638 | |
1047 | |
639 | # elif __solaris |
1048 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
640 | { |
1049 | newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
641 | struct sendfilevec vec; |
|
|
642 | size_t sbytes; |
|
|
643 | |
1050 | |
644 | vec.sfv_fd = ifd; |
1051 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
645 | vec.sfv_flag = 0; |
|
|
646 | vec.sfv_off = offset; |
|
|
647 | vec.sfv_len = count; |
|
|
648 | |
1052 | |
649 | res = sendfilev (ofd, &vec, 1, &sbytes); |
1053 | reinit (); |
|
|
1054 | } |
650 | |
1055 | |
651 | if (res < 0 && sbytes) |
1056 | void |
|
|
1057 | reinit () |
|
|
1058 | PROTOTYPE: |
|
|
1059 | |
|
|
1060 | void |
|
|
1061 | max_poll_reqs (unsigned int nreqs) |
|
|
1062 | PROTOTYPE: $ |
|
|
1063 | CODE: |
|
|
1064 | eio_set_max_poll_reqs (nreqs); |
|
|
1065 | |
|
|
1066 | void |
|
|
1067 | max_poll_time (double nseconds) |
|
|
1068 | PROTOTYPE: $ |
|
|
1069 | CODE: |
|
|
1070 | eio_set_max_poll_time (nseconds); |
|
|
1071 | |
|
|
1072 | void |
|
|
1073 | min_parallel (unsigned int nthreads) |
|
|
1074 | PROTOTYPE: $ |
|
|
1075 | CODE: |
|
|
1076 | eio_set_min_parallel (nthreads); |
|
|
1077 | |
|
|
1078 | void |
|
|
1079 | max_parallel (unsigned int nthreads) |
|
|
1080 | PROTOTYPE: $ |
|
|
1081 | CODE: |
|
|
1082 | eio_set_max_parallel (nthreads); |
|
|
1083 | |
|
|
1084 | void |
|
|
1085 | max_idle (unsigned int nthreads) |
|
|
1086 | PROTOTYPE: $ |
|
|
1087 | CODE: |
|
|
1088 | eio_set_max_idle (nthreads); |
|
|
1089 | |
|
|
1090 | void |
|
|
1091 | idle_timeout (unsigned int seconds) |
|
|
1092 | PROTOTYPE: $ |
|
|
1093 | CODE: |
|
|
1094 | eio_set_idle_timeout (seconds); |
|
|
1095 | |
|
|
1096 | void |
|
|
1097 | max_outstanding (unsigned int maxreqs) |
|
|
1098 | PROTOTYPE: $ |
|
|
1099 | CODE: |
|
|
1100 | max_outstanding = maxreqs; |
|
|
1101 | |
|
|
1102 | void |
|
|
1103 | aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) |
|
|
1104 | PPCODE: |
|
|
1105 | { |
|
|
1106 | dREQ; |
|
|
1107 | |
|
|
1108 | req->type = EIO_WD_OPEN; |
|
|
1109 | req_set_path1 (req, pathname); |
|
|
1110 | |
|
|
1111 | REQ_SEND; |
|
|
1112 | } |
|
|
1113 | |
|
|
1114 | void |
|
|
1115 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
|
|
1116 | PPCODE: |
|
|
1117 | { |
|
|
1118 | dREQ; |
|
|
1119 | |
|
|
1120 | req->type = EIO_OPEN; |
|
|
1121 | req_set_path1 (req, pathname); |
|
|
1122 | req->int1 = flags; |
|
|
1123 | req->int2 = mode; |
|
|
1124 | |
|
|
1125 | REQ_SEND; |
|
|
1126 | } |
|
|
1127 | |
|
|
1128 | void |
|
|
1129 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
|
|
1130 | ALIAS: |
|
|
1131 | aio_fsync = EIO_FSYNC |
|
|
1132 | aio_fdatasync = EIO_FDATASYNC |
|
|
1133 | aio_syncfs = EIO_SYNCFS |
|
|
1134 | PPCODE: |
|
|
1135 | { |
|
|
1136 | int fd = s_fileno_croak (fh, 0); |
|
|
1137 | dREQ; |
|
|
1138 | |
|
|
1139 | req->type = ix; |
|
|
1140 | req->sv1 = newSVsv (fh); |
|
|
1141 | req->int1 = fd; |
|
|
1142 | |
|
|
1143 | REQ_SEND; |
|
|
1144 | } |
|
|
1145 | |
|
|
1146 | void |
|
|
1147 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
|
|
1148 | PPCODE: |
|
|
1149 | { |
|
|
1150 | int fd = s_fileno_croak (fh, 0); |
|
|
1151 | dREQ; |
|
|
1152 | |
|
|
1153 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
1154 | req->sv1 = newSVsv (fh); |
|
|
1155 | req->int1 = fd; |
|
|
1156 | req->offs = offset; |
652 | res = sbytes; |
1157 | req->size = nbytes; |
653 | } |
1158 | req->int2 = flags; |
654 | |
1159 | |
655 | # endif |
1160 | REQ_SEND; |
|
|
1161 | } |
|
|
1162 | |
|
|
1163 | void |
|
|
1164 | aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) |
|
|
1165 | PPCODE: |
|
|
1166 | { |
|
|
1167 | int fd = s_fileno_croak (fh, 0); |
|
|
1168 | dREQ; |
|
|
1169 | |
|
|
1170 | req->type = EIO_FALLOCATE; |
|
|
1171 | req->sv1 = newSVsv (fh); |
|
|
1172 | req->int1 = fd; |
|
|
1173 | req->int2 = mode; |
|
|
1174 | req->offs = offset; |
|
|
1175 | req->size = len; |
|
|
1176 | |
|
|
1177 | REQ_SEND; |
|
|
1178 | } |
|
|
1179 | |
|
|
1180 | void |
|
|
1181 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
1182 | PPCODE: |
|
|
1183 | { |
|
|
1184 | static int close_fd = -1; /* dummy fd to close fds via dup2 */ |
|
|
1185 | int fd = s_fileno_croak (fh, 0); |
|
|
1186 | dREQ; |
|
|
1187 | |
|
|
1188 | if (expect_false (close_fd < 0)) |
|
|
1189 | { |
|
|
1190 | int pipefd [2]; |
|
|
1191 | |
|
|
1192 | if ( |
|
|
1193 | #ifdef _WIN32 |
|
|
1194 | _pipe (pipefd, 1, _O_BINARY) < 0 |
656 | #else |
1195 | #else |
657 | res = -1; |
1196 | pipe (pipefd) < 0 |
658 | errno = ENOSYS; |
1197 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
659 | #endif |
1198 | #endif |
660 | |
1199 | || close (pipefd [1]) < 0 |
661 | if (res < 0 |
|
|
662 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
663 | #if __solaris |
|
|
664 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
665 | #endif |
|
|
666 | ) |
|
|
667 | ) |
|
|
668 | { |
|
|
669 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
670 | char buf[4096]; |
|
|
671 | res = 0; |
|
|
672 | |
|
|
673 | while (count) |
|
|
674 | { |
|
|
675 | ssize_t cnt; |
|
|
676 | |
|
|
677 | cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset); |
|
|
678 | |
|
|
679 | if (cnt <= 0) |
|
|
680 | { |
1200 | ) |
681 | if (cnt && !res) res = -1; |
1201 | abort (); /*D*/ |
682 | break; |
|
|
683 | } |
|
|
684 | |
1202 | |
685 | cnt = write (ofd, buf, cnt); |
1203 | close_fd = pipefd [0]; |
686 | |
|
|
687 | if (cnt <= 0) |
|
|
688 | { |
|
|
689 | if (cnt && !res) res = -1; |
|
|
690 | break; |
|
|
691 | } |
|
|
692 | |
|
|
693 | offset += cnt; |
|
|
694 | res += cnt; |
|
|
695 | count -= cnt; |
|
|
696 | } |
|
|
697 | } |
|
|
698 | |
|
|
699 | return res; |
|
|
700 | } |
|
|
701 | |
|
|
702 | /* read a full directory */ |
|
|
703 | static int scandir_ (const char *path, void **namesp) |
|
|
704 | { |
|
|
705 | DIR *dirp = opendir (path); |
|
|
706 | union |
|
|
707 | { |
|
|
708 | struct dirent d; |
|
|
709 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
710 | } u; |
|
|
711 | struct dirent *entp; |
|
|
712 | char *name, *names; |
|
|
713 | int memlen = 4096; |
|
|
714 | int memofs = 0; |
|
|
715 | int res = 0; |
|
|
716 | int errorno; |
|
|
717 | |
|
|
718 | if (!dirp) |
|
|
719 | return -1; |
|
|
720 | |
|
|
721 | names = malloc (memlen); |
|
|
722 | |
|
|
723 | for (;;) |
|
|
724 | { |
|
|
725 | errno = 0, readdir_r (dirp, &u.d, &entp); |
|
|
726 | |
|
|
727 | if (!entp) |
|
|
728 | break; |
|
|
729 | |
|
|
730 | name = entp->d_name; |
|
|
731 | |
|
|
732 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
733 | { |
|
|
734 | int len = strlen (name) + 1; |
|
|
735 | |
|
|
736 | res++; |
|
|
737 | |
|
|
738 | while (memofs + len > memlen) |
|
|
739 | { |
|
|
740 | memlen *= 2; |
|
|
741 | names = realloc (names, memlen); |
|
|
742 | if (!names) |
|
|
743 | break; |
|
|
744 | } |
|
|
745 | |
|
|
746 | memcpy (names + memofs, name, len); |
|
|
747 | memofs += len; |
|
|
748 | } |
|
|
749 | } |
|
|
750 | |
|
|
751 | errorno = errno; |
|
|
752 | closedir (dirp); |
|
|
753 | |
|
|
754 | if (errorno) |
|
|
755 | { |
|
|
756 | free (names); |
|
|
757 | errno = errorno; |
|
|
758 | res = -1; |
|
|
759 | } |
|
|
760 | |
|
|
761 | *namesp = (void *)names; |
|
|
762 | return res; |
|
|
763 | } |
|
|
764 | |
|
|
765 | /*****************************************************************************/ |
|
|
766 | |
|
|
767 | static void *aio_proc (void *thr_arg) |
|
|
768 | { |
|
|
769 | aio_req req; |
|
|
770 | int type; |
|
|
771 | |
|
|
772 | do |
|
|
773 | { |
|
|
774 | pthread_mutex_lock (&reqlock); |
|
|
775 | |
|
|
776 | for (;;) |
|
|
777 | { |
|
|
778 | req = reqs; |
|
|
779 | |
|
|
780 | if (reqs) |
|
|
781 | { |
|
|
782 | reqs = reqs->next; |
|
|
783 | if (!reqs) reqe = 0; |
|
|
784 | } |
|
|
785 | |
|
|
786 | if (req) |
|
|
787 | break; |
|
|
788 | |
|
|
789 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
790 | } |
|
|
791 | |
|
|
792 | pthread_mutex_unlock (&reqlock); |
|
|
793 | |
|
|
794 | errno = 0; /* strictly unnecessary */ |
|
|
795 | |
|
|
796 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
797 | switch (type = req->type) /* remember type for QUIT check */ |
|
|
798 | { |
|
|
799 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
800 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
801 | |
|
|
802 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
803 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
|
|
804 | |
|
|
805 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
806 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
807 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
808 | |
|
|
809 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
810 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
811 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
812 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
813 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
|
|
814 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
|
|
815 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
816 | |
|
|
817 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
818 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
819 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
|
|
820 | |
|
|
821 | case REQ_SLEEP: |
|
|
822 | { |
|
|
823 | struct timeval tv; |
|
|
824 | |
|
|
825 | tv.tv_sec = req->fd; |
|
|
826 | tv.tv_usec = req->fd2; |
|
|
827 | |
|
|
828 | req->result = select (0, 0, 0, 0, &tv); |
|
|
829 | } |
|
|
830 | |
|
|
831 | case REQ_GROUP: |
|
|
832 | case REQ_NOP: |
|
|
833 | case REQ_QUIT: |
|
|
834 | break; |
|
|
835 | |
|
|
836 | default: |
|
|
837 | req->result = ENOSYS; |
|
|
838 | break; |
|
|
839 | } |
1204 | } |
840 | |
1205 | |
841 | req->errorno = errno; |
1206 | req->type = EIO_DUP2; |
842 | |
1207 | req->int1 = close_fd; |
843 | pthread_mutex_lock (&reslock); |
1208 | req->sv2 = newSVsv (fh); |
844 | |
|
|
845 | req->next = 0; |
1209 | req->int2 = fd; |
846 | |
1210 | |
847 | if (rese) |
1211 | REQ_SEND; |
848 | { |
|
|
849 | rese->next = req; |
|
|
850 | rese = req; |
|
|
851 | } |
|
|
852 | else |
|
|
853 | { |
|
|
854 | rese = ress = req; |
|
|
855 | |
|
|
856 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
857 | write (respipe [1], &respipe, 1); |
|
|
858 | } |
|
|
859 | |
|
|
860 | pthread_mutex_unlock (&reslock); |
|
|
861 | } |
|
|
862 | while (type != REQ_QUIT); |
|
|
863 | |
|
|
864 | return 0; |
|
|
865 | } |
1212 | } |
866 | |
1213 | |
867 | /*****************************************************************************/ |
|
|
868 | |
|
|
869 | static void atfork_prepare (void) |
|
|
870 | { |
|
|
871 | pthread_mutex_lock (&reqlock); |
|
|
872 | pthread_mutex_lock (&reslock); |
|
|
873 | #if !HAVE_PREADWRITE |
|
|
874 | pthread_mutex_lock (&preadwritelock); |
|
|
875 | #endif |
|
|
876 | #if !HAVE_READDIR_R |
|
|
877 | pthread_mutex_lock (&readdirlock); |
|
|
878 | #endif |
|
|
879 | } |
|
|
880 | |
|
|
881 | static void atfork_parent (void) |
|
|
882 | { |
|
|
883 | #if !HAVE_READDIR_R |
|
|
884 | pthread_mutex_unlock (&readdirlock); |
|
|
885 | #endif |
|
|
886 | #if !HAVE_PREADWRITE |
|
|
887 | pthread_mutex_unlock (&preadwritelock); |
|
|
888 | #endif |
|
|
889 | pthread_mutex_unlock (&reslock); |
|
|
890 | pthread_mutex_unlock (&reqlock); |
|
|
891 | } |
|
|
892 | |
|
|
893 | static void atfork_child (void) |
|
|
894 | { |
|
|
895 | aio_req prv; |
|
|
896 | |
|
|
897 | started = 0; |
|
|
898 | |
|
|
899 | while (reqs) |
|
|
900 | { |
|
|
901 | prv = reqs; |
|
|
902 | reqs = prv->next; |
|
|
903 | req_free (prv); |
|
|
904 | } |
|
|
905 | |
|
|
906 | reqs = reqe = 0; |
|
|
907 | |
|
|
908 | while (ress) |
|
|
909 | { |
|
|
910 | prv = ress; |
|
|
911 | ress = prv->next; |
|
|
912 | req_free (prv); |
|
|
913 | } |
|
|
914 | |
|
|
915 | ress = rese = 0; |
|
|
916 | |
|
|
917 | close (respipe [0]); |
|
|
918 | close (respipe [1]); |
|
|
919 | create_pipe (); |
|
|
920 | |
|
|
921 | atfork_parent (); |
|
|
922 | } |
|
|
923 | |
|
|
924 | #define dREQ \ |
|
|
925 | aio_req req; \ |
|
|
926 | \ |
|
|
927 | if (SvOK (callback) && !SvROK (callback)) \ |
|
|
928 | croak ("callback must be undef or of reference type"); \ |
|
|
929 | \ |
|
|
930 | Newz (0, req, 1, aio_cb); \ |
|
|
931 | if (!req) \ |
|
|
932 | croak ("out of memory during aio_req allocation"); \ |
|
|
933 | \ |
|
|
934 | req->callback = newSVsv (callback) |
|
|
935 | |
|
|
936 | #define REQ_SEND \ |
|
|
937 | req_send (req); \ |
|
|
938 | \ |
|
|
939 | if (GIMME_V != G_VOID) \ |
|
|
940 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
|
|
941 | |
|
|
942 | MODULE = IO::AIO PACKAGE = IO::AIO |
|
|
943 | |
|
|
944 | PROTOTYPES: ENABLE |
|
|
945 | |
|
|
946 | BOOT: |
|
|
947 | { |
|
|
948 | HV *stash = gv_stashpv ("IO::AIO", 1); |
|
|
949 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
|
|
950 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
|
|
951 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
952 | |
|
|
953 | create_pipe (); |
|
|
954 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
|
|
955 | } |
|
|
956 | |
|
|
957 | void |
1214 | void |
958 | min_parallel (nthreads) |
1215 | aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef) |
959 | int nthreads |
|
|
960 | PROTOTYPE: $ |
|
|
961 | |
|
|
962 | void |
|
|
963 | max_parallel (nthreads) |
|
|
964 | int nthreads |
|
|
965 | PROTOTYPE: $ |
|
|
966 | |
|
|
967 | int |
|
|
968 | max_outstanding (nreqs) |
|
|
969 | int nreqs |
|
|
970 | PROTOTYPE: $ |
|
|
971 | CODE: |
1216 | PPCODE: |
972 | RETVAL = max_outstanding; |
|
|
973 | max_outstanding = nreqs; |
|
|
974 | |
|
|
975 | void |
|
|
976 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
|
|
977 | SV * pathname |
|
|
978 | int flags |
|
|
979 | int mode |
|
|
980 | SV * callback |
|
|
981 | PROTOTYPE: $$$;$ |
|
|
982 | PPCODE: |
|
|
983 | { |
1217 | { |
|
|
1218 | int fd = s_fileno_croak (fh, 0); |
984 | dREQ; |
1219 | dREQ; |
985 | |
1220 | |
986 | req->type = REQ_OPEN; |
1221 | req->type = EIO_SEEK; |
987 | req->data = newSVsv (pathname); |
1222 | req->sv1 = newSVsv (fh); |
988 | req->dataptr = SvPVbyte_nolen (req->data); |
1223 | req->int1 = fd; |
989 | req->fd = flags; |
1224 | req->offs = SvVAL64 (offset); |
990 | req->mode = mode; |
1225 | req->int2 = whence; |
991 | |
1226 | |
992 | REQ_SEND; |
1227 | REQ_SEND; |
993 | } |
1228 | } |
994 | |
1229 | |
995 | void |
1230 | void |
996 | aio_close (fh,callback=&PL_sv_undef) |
1231 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
997 | SV * fh |
|
|
998 | SV * callback |
|
|
999 | PROTOTYPE: $;$ |
|
|
1000 | ALIAS: |
1232 | ALIAS: |
1001 | aio_close = REQ_CLOSE |
|
|
1002 | aio_fsync = REQ_FSYNC |
|
|
1003 | aio_fdatasync = REQ_FDATASYNC |
|
|
1004 | PPCODE: |
|
|
1005 | { |
|
|
1006 | dREQ; |
|
|
1007 | |
|
|
1008 | req->type = ix; |
|
|
1009 | req->fh = newSVsv (fh); |
|
|
1010 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
1011 | |
|
|
1012 | REQ_SEND (req); |
|
|
1013 | } |
|
|
1014 | |
|
|
1015 | void |
|
|
1016 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
|
|
1017 | SV * fh |
|
|
1018 | UV offset |
|
|
1019 | UV length |
|
|
1020 | SV * data |
|
|
1021 | UV dataoffset |
|
|
1022 | SV * callback |
|
|
1023 | ALIAS: |
|
|
1024 | aio_read = REQ_READ |
1233 | aio_read = EIO_READ |
1025 | aio_write = REQ_WRITE |
1234 | aio_write = EIO_WRITE |
1026 | PROTOTYPE: $$$$$;$ |
|
|
1027 | PPCODE: |
1235 | PPCODE: |
1028 | { |
1236 | { |
1029 | aio_req req; |
|
|
1030 | STRLEN svlen; |
1237 | STRLEN svlen; |
|
|
1238 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1031 | char *svptr = SvPVbyte (data, svlen); |
1239 | char *svptr = SvPVbyte (data, svlen); |
1032 | |
1240 | UV len = SvUV (length); |
1033 | SvUPGRADE (data, SVt_PV); |
|
|
1034 | SvPOK_on (data); |
|
|
1035 | |
1241 | |
1036 | if (dataoffset < 0) |
1242 | if (dataoffset < 0) |
1037 | dataoffset += svlen; |
1243 | dataoffset += svlen; |
1038 | |
1244 | |
1039 | if (dataoffset < 0 || dataoffset > svlen) |
1245 | if (dataoffset < 0 || dataoffset > svlen) |
1040 | croak ("data offset outside of string"); |
1246 | croak ("dataoffset outside of data scalar"); |
1041 | |
1247 | |
1042 | if (ix == REQ_WRITE) |
1248 | if (ix == EIO_WRITE) |
1043 | { |
1249 | { |
1044 | /* write: check length and adjust. */ |
1250 | /* write: check length and adjust. */ |
1045 | if (length < 0 || length + dataoffset > svlen) |
1251 | if (!SvOK (length) || len + dataoffset > svlen) |
1046 | length = svlen - dataoffset; |
1252 | len = svlen - dataoffset; |
1047 | } |
1253 | } |
1048 | else |
1254 | else |
1049 | { |
1255 | { |
1050 | /* read: grow scalar as necessary */ |
1256 | /* read: check type and grow scalar as necessary */ |
|
|
1257 | SvUPGRADE (data, SVt_PV); |
|
|
1258 | if (SvLEN (data) >= SvCUR (data)) |
1051 | svptr = SvGROW (data, length + dataoffset); |
1259 | svptr = SvGROW (data, len + dataoffset + 1); |
|
|
1260 | else if (SvCUR (data) < len + dataoffset) |
|
|
1261 | croak ("length + dataoffset outside of scalar, and cannot grow"); |
1052 | } |
1262 | } |
1053 | |
|
|
1054 | if (length < 0) |
|
|
1055 | croak ("length must not be negative"); |
|
|
1056 | |
1263 | |
1057 | { |
1264 | { |
1058 | dREQ; |
1265 | dREQ; |
1059 | |
1266 | |
1060 | req->type = ix; |
1267 | req->type = ix; |
1061 | req->fh = newSVsv (fh); |
1268 | req->sv1 = newSVsv (fh); |
1062 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1269 | req->int1 = fd; |
1063 | : IoOFP (sv_2io (fh))); |
1270 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1064 | req->offset = offset; |
1271 | req->size = len; |
1065 | req->length = length; |
|
|
1066 | req->data = SvREFCNT_inc (data); |
1272 | req->sv2 = SvREFCNT_inc (data); |
1067 | req->dataptr = (char *)svptr + dataoffset; |
1273 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
1274 | req->stroffset = dataoffset; |
1068 | |
1275 | |
1069 | if (!SvREADONLY (data)) |
1276 | if (!SvREADONLY (data)) |
1070 | { |
1277 | { |
1071 | SvREADONLY_on (data); |
1278 | SvREADONLY_on (data); |
1072 | req->data2ptr = (void *)data; |
1279 | req->flags |= FLAG_SV2_RO_OFF; |
1073 | } |
1280 | } |
1074 | |
1281 | |
1075 | REQ_SEND; |
1282 | REQ_SEND; |
1076 | } |
1283 | } |
1077 | } |
1284 | } |
1078 | |
1285 | |
1079 | void |
1286 | void |
1080 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1287 | aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1081 | SV * out_fh |
1288 | ALIAS: |
1082 | SV * in_fh |
1289 | aio_readlink = EIO_READLINK |
1083 | UV in_offset |
1290 | aio_realpath = EIO_REALPATH |
1084 | UV length |
|
|
1085 | SV * callback |
|
|
1086 | PROTOTYPE: $$$$;$ |
|
|
1087 | PPCODE: |
1291 | PPCODE: |
1088 | { |
1292 | { |
|
|
1293 | dREQ; |
|
|
1294 | |
|
|
1295 | req->type = ix; |
|
|
1296 | req_set_path1 (req, pathname); |
|
|
1297 | |
|
|
1298 | REQ_SEND; |
|
|
1299 | } |
|
|
1300 | |
|
|
1301 | void |
|
|
1302 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
|
|
1303 | PPCODE: |
|
|
1304 | { |
|
|
1305 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
1306 | int ofd = s_fileno_croak (out_fh, 1); |
1089 | dREQ; |
1307 | dREQ; |
1090 | |
1308 | |
1091 | req->type = REQ_SENDFILE; |
1309 | req->type = EIO_SENDFILE; |
1092 | req->fh = newSVsv (out_fh); |
1310 | req->sv1 = newSVsv (out_fh); |
1093 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1311 | req->int1 = ofd; |
1094 | req->fh2 = newSVsv (in_fh); |
1312 | req->sv2 = newSVsv (in_fh); |
1095 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1313 | req->int2 = ifd; |
1096 | req->offset = in_offset; |
1314 | req->offs = in_offset; |
1097 | req->length = length; |
1315 | req->size = length; |
1098 | |
1316 | |
1099 | REQ_SEND; |
1317 | REQ_SEND; |
1100 | } |
1318 | } |
1101 | |
1319 | |
1102 | void |
1320 | void |
1103 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
1321 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1104 | SV * fh |
|
|
1105 | UV offset |
|
|
1106 | IV length |
|
|
1107 | SV * callback |
|
|
1108 | PROTOTYPE: $$$;$ |
|
|
1109 | PPCODE: |
1322 | PPCODE: |
1110 | { |
1323 | { |
|
|
1324 | int fd = s_fileno_croak (fh, 0); |
1111 | dREQ; |
1325 | dREQ; |
1112 | |
1326 | |
1113 | req->type = REQ_READAHEAD; |
1327 | req->type = EIO_READAHEAD; |
1114 | req->fh = newSVsv (fh); |
1328 | req->sv1 = newSVsv (fh); |
1115 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1329 | req->int1 = fd; |
1116 | req->offset = offset; |
1330 | req->offs = offset; |
1117 | req->length = length; |
1331 | req->size = length; |
1118 | |
1332 | |
1119 | REQ_SEND; |
1333 | REQ_SEND; |
1120 | } |
1334 | } |
1121 | |
1335 | |
1122 | void |
1336 | void |
1123 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1337 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1124 | SV * fh_or_path |
|
|
1125 | SV * callback |
|
|
1126 | ALIAS: |
1338 | ALIAS: |
1127 | aio_stat = REQ_STAT |
1339 | aio_stat = EIO_STAT |
1128 | aio_lstat = REQ_LSTAT |
1340 | aio_lstat = EIO_LSTAT |
|
|
1341 | aio_statvfs = EIO_STATVFS |
1129 | PPCODE: |
1342 | PPCODE: |
1130 | { |
1343 | { |
1131 | dREQ; |
1344 | dREQ; |
1132 | |
1345 | |
1133 | New (0, req->statdata, 1, Stat_t); |
1346 | req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
1134 | if (!req->statdata) |
|
|
1135 | { |
|
|
1136 | req_free (req); |
|
|
1137 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
1138 | } |
|
|
1139 | |
|
|
1140 | if (SvPOK (fh_or_path)) |
|
|
1141 | { |
|
|
1142 | req->type = ix; |
|
|
1143 | req->data = newSVsv (fh_or_path); |
|
|
1144 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1145 | } |
|
|
1146 | else |
|
|
1147 | { |
|
|
1148 | req->type = REQ_FSTAT; |
|
|
1149 | req->fh = newSVsv (fh_or_path); |
|
|
1150 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1151 | } |
|
|
1152 | |
1347 | |
1153 | REQ_SEND; |
1348 | REQ_SEND; |
1154 | } |
1349 | } |
1155 | |
1350 | |
|
|
1351 | UV |
|
|
1352 | major (UV dev) |
|
|
1353 | ALIAS: |
|
|
1354 | minor = 1 |
|
|
1355 | CODE: |
|
|
1356 | RETVAL = ix ? major (dev) : minor (dev); |
|
|
1357 | OUTPUT: |
|
|
1358 | RETVAL |
|
|
1359 | |
|
|
1360 | UV |
|
|
1361 | makedev (UV maj, UV min) |
|
|
1362 | CODE: |
|
|
1363 | RETVAL = makedev (maj, min); |
|
|
1364 | OUTPUT: |
|
|
1365 | RETVAL |
|
|
1366 | |
1156 | void |
1367 | void |
|
|
1368 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
1369 | PPCODE: |
|
|
1370 | { |
|
|
1371 | dREQ; |
|
|
1372 | |
|
|
1373 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1374 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1375 | req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
|
|
1376 | |
|
|
1377 | REQ_SEND; |
|
|
1378 | } |
|
|
1379 | |
|
|
1380 | void |
|
|
1381 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
1382 | PPCODE: |
|
|
1383 | { |
|
|
1384 | dREQ; |
|
|
1385 | |
|
|
1386 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1387 | req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
|
|
1388 | |
|
|
1389 | REQ_SEND; |
|
|
1390 | } |
|
|
1391 | |
|
|
1392 | void |
|
|
1393 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
1394 | PPCODE: |
|
|
1395 | { |
|
|
1396 | dREQ; |
|
|
1397 | |
|
|
1398 | req->int2 = mode; |
|
|
1399 | req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
|
|
1400 | |
|
|
1401 | REQ_SEND; |
|
|
1402 | } |
|
|
1403 | |
|
|
1404 | void |
|
|
1405 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
1406 | PPCODE: |
|
|
1407 | { |
|
|
1408 | dREQ; |
|
|
1409 | |
|
|
1410 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1411 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1412 | req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
|
|
1413 | |
|
|
1414 | REQ_SEND; |
|
|
1415 | } |
|
|
1416 | |
|
|
1417 | void |
|
|
1418 | aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
|
|
1419 | PPCODE: |
|
|
1420 | { |
|
|
1421 | dREQ; |
|
|
1422 | |
|
|
1423 | req->type = EIO_READDIR; |
|
|
1424 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1425 | |
|
|
1426 | if (flags & EIO_READDIR_DENTS) |
|
|
1427 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1428 | |
|
|
1429 | req_set_path1 (req, pathname); |
|
|
1430 | |
|
|
1431 | REQ_SEND; |
|
|
1432 | } |
|
|
1433 | |
|
|
1434 | void |
|
|
1435 | aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
|
|
1436 | PPCODE: |
|
|
1437 | { |
|
|
1438 | dREQ; |
|
|
1439 | |
|
|
1440 | req->type = EIO_MKDIR; |
|
|
1441 | req->int2 = mode; |
|
|
1442 | req_set_path1 (req, pathname); |
|
|
1443 | |
|
|
1444 | REQ_SEND; |
|
|
1445 | } |
|
|
1446 | |
|
|
1447 | void |
1157 | aio_unlink (pathname,callback=&PL_sv_undef) |
1448 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1158 | SV * pathname |
|
|
1159 | SV * callback |
|
|
1160 | ALIAS: |
1449 | ALIAS: |
1161 | aio_unlink = REQ_UNLINK |
1450 | aio_unlink = EIO_UNLINK |
1162 | aio_rmdir = REQ_RMDIR |
1451 | aio_rmdir = EIO_RMDIR |
1163 | aio_readdir = REQ_READDIR |
1452 | aio_readdir = EIO_READDIR |
1164 | PPCODE: |
1453 | PPCODE: |
1165 | { |
1454 | { |
1166 | dREQ; |
1455 | dREQ; |
1167 | |
1456 | |
1168 | req->type = ix; |
1457 | req->type = ix; |
1169 | req->data = newSVsv (pathname); |
1458 | req_set_path1 (req, pathname); |
1170 | req->dataptr = SvPVbyte_nolen (req->data); |
1459 | |
1171 | |
|
|
1172 | REQ_SEND; |
1460 | REQ_SEND; |
1173 | } |
1461 | } |
1174 | |
1462 | |
1175 | void |
1463 | void |
1176 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1464 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1177 | SV * oldpath |
|
|
1178 | SV * newpath |
|
|
1179 | SV * callback |
|
|
1180 | ALIAS: |
1465 | ALIAS: |
1181 | aio_link = REQ_LINK |
1466 | aio_link = EIO_LINK |
1182 | aio_symlink = REQ_SYMLINK |
1467 | aio_symlink = EIO_SYMLINK |
1183 | aio_rename = REQ_RENAME |
1468 | aio_rename = EIO_RENAME |
1184 | PPCODE: |
1469 | PPCODE: |
1185 | { |
1470 | { |
|
|
1471 | eio_wd wd2 = 0; |
1186 | dREQ; |
1472 | dREQ; |
1187 | |
1473 | |
1188 | req->type = ix; |
1474 | req->type = ix; |
1189 | req->fh = newSVsv (oldpath); |
1475 | req_set_path1 (req, oldpath); |
1190 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1476 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
1191 | req->data = newSVsv (newpath); |
1477 | req->int3 = (long)wd2; |
1192 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1193 | |
1478 | |
1194 | REQ_SEND; |
1479 | REQ_SEND; |
1195 | } |
1480 | } |
1196 | |
1481 | |
1197 | void |
1482 | void |
1198 | aio_sleep (delay,callback=&PL_sv_undef) |
1483 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1199 | double delay |
|
|
1200 | SV * callback |
|
|
1201 | PPCODE: |
1484 | PPCODE: |
1202 | { |
1485 | { |
1203 | dREQ; |
1486 | dREQ; |
1204 | |
1487 | |
1205 | req->type = REQ_SLEEP; |
1488 | req->type = EIO_MKNOD; |
1206 | req->fd = delay < 0. ? 0 : delay; |
1489 | req->int2 = (mode_t)mode; |
1207 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1490 | req->offs = dev; |
1208 | |
1491 | req_set_path1 (req, pathname); |
|
|
1492 | |
1209 | REQ_SEND; |
1493 | REQ_SEND; |
1210 | } |
1494 | } |
1211 | |
1495 | |
1212 | void |
1496 | void |
1213 | aio_group (callback=&PL_sv_undef) |
1497 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
1214 | SV * callback |
1498 | ALIAS: |
1215 | PROTOTYPE: ;$ |
1499 | aio_mtouch = EIO_MTOUCH |
|
|
1500 | aio_msync = EIO_MSYNC |
1216 | PPCODE: |
1501 | PPCODE: |
1217 | { |
1502 | { |
|
|
1503 | STRLEN svlen; |
|
|
1504 | char *svptr = SvPVbyte (data, svlen); |
|
|
1505 | UV len = SvUV (length); |
|
|
1506 | |
|
|
1507 | if (offset < 0) |
|
|
1508 | offset += svlen; |
|
|
1509 | |
|
|
1510 | if (offset < 0 || offset > svlen) |
|
|
1511 | croak ("offset outside of scalar"); |
|
|
1512 | |
|
|
1513 | if (!SvOK (length) || len + offset > svlen) |
|
|
1514 | len = svlen - offset; |
|
|
1515 | |
|
|
1516 | { |
|
|
1517 | dREQ; |
|
|
1518 | |
|
|
1519 | req->type = ix; |
|
|
1520 | req->sv2 = SvREFCNT_inc (data); |
|
|
1521 | req->ptr2 = (char *)svptr + offset; |
|
|
1522 | req->size = len; |
|
|
1523 | req->int1 = flags; |
|
|
1524 | |
|
|
1525 | REQ_SEND; |
|
|
1526 | } |
|
|
1527 | } |
|
|
1528 | |
|
|
1529 | void |
|
|
1530 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) |
|
|
1531 | PPCODE: |
|
|
1532 | { |
|
|
1533 | STRLEN svlen; |
|
|
1534 | char *svptr = SvPVbyte (data, svlen); |
|
|
1535 | UV len = SvUV (length); |
|
|
1536 | |
|
|
1537 | if (offset < 0) |
|
|
1538 | offset += svlen; |
|
|
1539 | |
|
|
1540 | if (offset < 0 || offset > svlen) |
|
|
1541 | croak ("offset outside of scalar"); |
|
|
1542 | |
|
|
1543 | if (!SvOK (length) || len + offset > svlen) |
|
|
1544 | len = svlen - offset; |
|
|
1545 | |
|
|
1546 | { |
|
|
1547 | dREQ; |
|
|
1548 | |
|
|
1549 | req->type = EIO_MLOCK; |
|
|
1550 | req->sv2 = SvREFCNT_inc (data); |
|
|
1551 | req->ptr2 = (char *)svptr + offset; |
|
|
1552 | req->size = len; |
|
|
1553 | |
|
|
1554 | REQ_SEND; |
|
|
1555 | } |
|
|
1556 | } |
|
|
1557 | |
|
|
1558 | void |
|
|
1559 | aio_mlockall (IV flags, SV *callback=&PL_sv_undef) |
|
|
1560 | PPCODE: |
|
|
1561 | { |
|
|
1562 | dREQ; |
|
|
1563 | |
|
|
1564 | req->type = EIO_MLOCKALL; |
|
|
1565 | req->int1 = flags; |
|
|
1566 | |
|
|
1567 | REQ_SEND; |
|
|
1568 | } |
|
|
1569 | |
|
|
1570 | void |
|
|
1571 | aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef) |
|
|
1572 | PPCODE: |
|
|
1573 | { |
|
|
1574 | int fd = s_fileno_croak (fh, 0); |
1218 | dREQ; |
1575 | dREQ; |
|
|
1576 | |
1219 | req->type = REQ_GROUP; |
1577 | req->type = EIO_CUSTOM; |
1220 | req_send (req); |
1578 | req->sv1 = newSVsv (fh); |
1221 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1579 | req->int1 = fd; |
1222 | } |
|
|
1223 | |
1580 | |
|
|
1581 | req->feed = fiemap; |
|
|
1582 | #if HAVE_FIEMAP |
|
|
1583 | /* keep our fingers crossed that the next two types are 64 bit */ |
|
|
1584 | req->offs = start; |
|
|
1585 | req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
|
|
1586 | req->int2 = flags; |
|
|
1587 | req->int3 = SvOK (count) ? SvIV (count) : -1; |
|
|
1588 | #endif |
|
|
1589 | |
|
|
1590 | REQ_SEND; |
|
|
1591 | } |
|
|
1592 | |
1224 | void |
1593 | void |
1225 | aio_nop (callback=&PL_sv_undef) |
1594 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1226 | SV * callback |
|
|
1227 | PPCODE: |
1595 | PPCODE: |
1228 | { |
1596 | { |
1229 | dREQ; |
1597 | dREQ; |
1230 | |
1598 | |
1231 | req->type = REQ_NOP; |
1599 | req->type = EIO_BUSY; |
|
|
1600 | req->nv1 = delay < 0. ? 0. : delay; |
1232 | |
1601 | |
1233 | REQ_SEND; |
1602 | REQ_SEND; |
1234 | } |
1603 | } |
1235 | |
1604 | |
1236 | void |
1605 | void |
|
|
1606 | aio_group (SV *callback=&PL_sv_undef) |
|
|
1607 | PPCODE: |
|
|
1608 | { |
|
|
1609 | dREQ; |
|
|
1610 | |
|
|
1611 | req->type = EIO_GROUP; |
|
|
1612 | |
|
|
1613 | req_submit (req); |
|
|
1614 | XPUSHs (req_sv (req, aio_grp_stash)); |
|
|
1615 | } |
|
|
1616 | |
|
|
1617 | void |
|
|
1618 | aio_nop (SV *callback=&PL_sv_undef) |
|
|
1619 | ALIAS: |
|
|
1620 | aio_nop = EIO_NOP |
|
|
1621 | aio_sync = EIO_SYNC |
|
|
1622 | PPCODE: |
|
|
1623 | { |
|
|
1624 | dREQ; |
|
|
1625 | |
|
|
1626 | req->type = ix; |
|
|
1627 | |
|
|
1628 | REQ_SEND; |
|
|
1629 | } |
|
|
1630 | |
|
|
1631 | int |
|
|
1632 | aioreq_pri (int pri = 0) |
|
|
1633 | CODE: |
|
|
1634 | RETVAL = next_pri; |
|
|
1635 | if (items > 0) |
|
|
1636 | { |
|
|
1637 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
|
|
1638 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
|
|
1639 | next_pri = pri; |
|
|
1640 | } |
|
|
1641 | OUTPUT: |
|
|
1642 | RETVAL |
|
|
1643 | |
|
|
1644 | void |
|
|
1645 | aioreq_nice (int nice = 0) |
|
|
1646 | CODE: |
|
|
1647 | nice = next_pri - nice; |
|
|
1648 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
|
|
1649 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
|
|
1650 | next_pri = nice; |
|
|
1651 | |
|
|
1652 | void |
1237 | flush () |
1653 | flush () |
1238 | PROTOTYPE: |
|
|
1239 | CODE: |
1654 | CODE: |
1240 | while (nreqs) |
1655 | while (eio_nreqs ()) |
1241 | { |
1656 | { |
1242 | poll_wait (); |
1657 | poll_wait (); |
1243 | poll_cb (); |
1658 | poll_cb (); |
1244 | } |
1659 | } |
1245 | |
1660 | |
1246 | void |
1661 | int |
1247 | poll() |
1662 | poll () |
1248 | PROTOTYPE: |
|
|
1249 | CODE: |
1663 | CODE: |
1250 | if (nreqs) |
|
|
1251 | { |
|
|
1252 | poll_wait (); |
1664 | poll_wait (); |
1253 | poll_cb (); |
1665 | RETVAL = poll_cb (); |
1254 | } |
|
|
1255 | |
|
|
1256 | int |
|
|
1257 | poll_fileno() |
|
|
1258 | PROTOTYPE: |
|
|
1259 | CODE: |
|
|
1260 | RETVAL = respipe [0]; |
|
|
1261 | OUTPUT: |
1666 | OUTPUT: |
1262 | RETVAL |
1667 | RETVAL |
1263 | |
1668 | |
1264 | int |
1669 | int |
|
|
1670 | poll_fileno () |
|
|
1671 | CODE: |
|
|
1672 | RETVAL = s_epipe_fd (&respipe); |
|
|
1673 | OUTPUT: |
|
|
1674 | RETVAL |
|
|
1675 | |
|
|
1676 | int |
1265 | poll_cb(...) |
1677 | poll_cb (...) |
1266 | PROTOTYPE: |
1678 | PROTOTYPE: |
1267 | CODE: |
1679 | CODE: |
1268 | RETVAL = poll_cb (); |
1680 | RETVAL = poll_cb (); |
1269 | OUTPUT: |
1681 | OUTPUT: |
1270 | RETVAL |
1682 | RETVAL |
1271 | |
1683 | |
1272 | void |
1684 | void |
1273 | poll_wait() |
1685 | poll_wait () |
1274 | PROTOTYPE: |
|
|
1275 | CODE: |
1686 | CODE: |
1276 | if (nreqs) |
|
|
1277 | poll_wait (); |
1687 | poll_wait (); |
1278 | |
1688 | |
1279 | int |
1689 | int |
1280 | nreqs() |
1690 | nreqs () |
1281 | PROTOTYPE: |
|
|
1282 | CODE: |
1691 | CODE: |
1283 | RETVAL = nreqs; |
1692 | RETVAL = eio_nreqs (); |
1284 | OUTPUT: |
1693 | OUTPUT: |
1285 | RETVAL |
1694 | RETVAL |
1286 | |
1695 | |
|
|
1696 | int |
|
|
1697 | nready () |
|
|
1698 | CODE: |
|
|
1699 | RETVAL = eio_nready (); |
|
|
1700 | OUTPUT: |
|
|
1701 | RETVAL |
|
|
1702 | |
|
|
1703 | int |
|
|
1704 | npending () |
|
|
1705 | CODE: |
|
|
1706 | RETVAL = eio_npending (); |
|
|
1707 | OUTPUT: |
|
|
1708 | RETVAL |
|
|
1709 | |
|
|
1710 | int |
|
|
1711 | nthreads () |
|
|
1712 | CODE: |
|
|
1713 | RETVAL = eio_nthreads (); |
|
|
1714 | OUTPUT: |
|
|
1715 | RETVAL |
|
|
1716 | |
|
|
1717 | int |
|
|
1718 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
1719 | CODE: |
|
|
1720 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
1721 | OUTPUT: |
|
|
1722 | RETVAL |
|
|
1723 | |
|
|
1724 | IV |
|
|
1725 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
1726 | CODE: |
|
|
1727 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1728 | OUTPUT: |
|
|
1729 | RETVAL |
|
|
1730 | |
|
|
1731 | void |
|
|
1732 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
|
|
1733 | PPCODE: |
|
|
1734 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1735 | { |
|
|
1736 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1737 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1738 | if (addr == (void *)-1) |
|
|
1739 | XSRETURN_NO; |
|
|
1740 | |
|
|
1741 | sv_force_normal (scalar); |
|
|
1742 | |
|
|
1743 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1744 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1745 | ->mg_obj = (SV *)length; |
|
|
1746 | |
|
|
1747 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1748 | |
|
|
1749 | if (!(prot & PROT_WRITE)) |
|
|
1750 | SvREADONLY_on (scalar); |
|
|
1751 | |
|
|
1752 | if (SvLEN (scalar)) |
|
|
1753 | Safefree (SvPVX (scalar)); |
|
|
1754 | |
|
|
1755 | SvPVX (scalar) = (char *)addr; |
|
|
1756 | SvCUR_set (scalar, length); |
|
|
1757 | SvLEN_set (scalar, 0); |
|
|
1758 | SvPOK_only (scalar); |
|
|
1759 | |
|
|
1760 | XSRETURN_YES; |
|
|
1761 | } |
|
|
1762 | |
|
|
1763 | void |
|
|
1764 | munmap (SV *scalar) |
|
|
1765 | CODE: |
|
|
1766 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1767 | |
|
|
1768 | int |
|
|
1769 | madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
1770 | ALIAS: |
|
|
1771 | mprotect = 1 |
|
|
1772 | CODE: |
|
|
1773 | { |
|
|
1774 | STRLEN svlen; |
|
|
1775 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1776 | size_t len = SvUV (length); |
|
|
1777 | |
|
|
1778 | if (offset < 0) |
|
|
1779 | offset += svlen; |
|
|
1780 | |
|
|
1781 | if (offset < 0 || offset > svlen) |
|
|
1782 | croak ("offset outside of scalar"); |
|
|
1783 | |
|
|
1784 | if (!SvOK (length) || len + offset > svlen) |
|
|
1785 | len = svlen - offset; |
|
|
1786 | |
|
|
1787 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1788 | eio_page_align (&addr, &len); |
|
|
1789 | |
|
|
1790 | switch (ix) |
|
|
1791 | { |
|
|
1792 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
1793 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
1794 | } |
|
|
1795 | } |
|
|
1796 | OUTPUT: |
|
|
1797 | RETVAL |
|
|
1798 | |
|
|
1799 | int |
|
|
1800 | munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) |
|
|
1801 | CODE: |
|
|
1802 | { |
|
|
1803 | STRLEN svlen; |
|
|
1804 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1805 | size_t len = SvUV (length); |
|
|
1806 | |
|
|
1807 | if (offset < 0) |
|
|
1808 | offset += svlen; |
|
|
1809 | |
|
|
1810 | if (offset < 0 || offset > svlen) |
|
|
1811 | croak ("offset outside of scalar"); |
|
|
1812 | |
|
|
1813 | if (!SvOK (length) || len + offset > svlen) |
|
|
1814 | len = svlen - offset; |
|
|
1815 | |
|
|
1816 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1817 | eio_page_align (&addr, &len); |
|
|
1818 | #if _POSIX_MEMLOCK_RANGE |
|
|
1819 | RETVAL = munlock (addr, len); |
|
|
1820 | #else |
|
|
1821 | RETVAL = EIO_ENOSYS (); |
|
|
1822 | #endif |
|
|
1823 | } |
|
|
1824 | OUTPUT: |
|
|
1825 | RETVAL |
|
|
1826 | |
|
|
1827 | int |
|
|
1828 | munlockall () |
|
|
1829 | CODE: |
|
|
1830 | #if _POSIX_MEMLOCK |
|
|
1831 | munlockall (); |
|
|
1832 | #else |
|
|
1833 | RETVAL = EIO_ENOSYS (); |
|
|
1834 | #endif |
|
|
1835 | OUTPUT: |
|
|
1836 | RETVAL |
|
|
1837 | |
|
|
1838 | int |
|
|
1839 | splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
|
|
1840 | CODE: |
|
|
1841 | { |
|
|
1842 | #if HAVE_LINUX_SPLICE |
|
|
1843 | loff_t off_in_, off_out_; |
|
|
1844 | RETVAL = splice ( |
|
|
1845 | rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0, |
|
|
1846 | wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0, |
|
|
1847 | length, flags |
|
|
1848 | ); |
|
|
1849 | #else |
|
|
1850 | RETVAL = EIO_ENOSYS (); |
|
|
1851 | #endif |
|
|
1852 | } |
|
|
1853 | OUTPUT: |
|
|
1854 | RETVAL |
|
|
1855 | |
|
|
1856 | int |
|
|
1857 | tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
|
|
1858 | CODE: |
|
|
1859 | #if HAVE_LINUX_SPLICE |
|
|
1860 | RETVAL = tee (rfh, wfh, length, flags); |
|
|
1861 | #else |
|
|
1862 | RETVAL = EIO_ENOSYS (); |
|
|
1863 | #endif |
|
|
1864 | OUTPUT: |
|
|
1865 | RETVAL |
|
|
1866 | |
|
|
1867 | void _on_next_submit (SV *cb) |
|
|
1868 | CODE: |
|
|
1869 | SvREFCNT_dec (on_next_submit); |
|
|
1870 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1871 | |
1287 | PROTOTYPES: DISABLE |
1872 | PROTOTYPES: DISABLE |
1288 | |
1873 | |
|
|
1874 | MODULE = IO::AIO PACKAGE = IO::AIO::WD |
|
|
1875 | |
|
|
1876 | BOOT: |
|
|
1877 | { |
|
|
1878 | newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
|
|
1879 | newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
|
|
1880 | } |
|
|
1881 | |
|
|
1882 | void |
|
|
1883 | DESTROY (SV *self) |
|
|
1884 | CODE: |
|
|
1885 | { |
|
|
1886 | aio_wd wd = SvAIO_WD (self); |
|
|
1887 | #if HAVE_AT |
|
|
1888 | { |
|
|
1889 | SV *callback = &PL_sv_undef; |
|
|
1890 | dREQ; /* clobbers next_pri :/ */ |
|
|
1891 | next_pri = req->pri; /* restore next_pri */ |
|
|
1892 | req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */ |
|
|
1893 | req->type = EIO_WD_CLOSE; |
|
|
1894 | req->wd = wd; |
|
|
1895 | REQ_SEND; |
|
|
1896 | } |
|
|
1897 | #else |
|
|
1898 | eio_wd_close_sync (wd); |
|
|
1899 | #endif |
|
|
1900 | } |
|
|
1901 | |
1289 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1902 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1290 | |
1903 | |
1291 | void |
1904 | void |
1292 | cancel (aio_req_ornot req) |
1905 | cancel (aio_req_ornot req) |
1293 | PROTOTYPE: |
|
|
1294 | CODE: |
1906 | CODE: |
1295 | req_cancel (req); |
1907 | eio_cancel (req); |
1296 | |
1908 | |
1297 | void |
1909 | void |
1298 | cb (aio_req req, SV *callback=&PL_sv_undef) |
1910 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1299 | CODE: |
1911 | PPCODE: |
|
|
1912 | { |
|
|
1913 | if (GIMME_V != G_VOID) |
|
|
1914 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1915 | |
|
|
1916 | if (items > 1) |
|
|
1917 | { |
|
|
1918 | SV *cb_cv =get_cb (callback); |
|
|
1919 | |
1300 | SvREFCNT_dec (req->callback); |
1920 | SvREFCNT_dec (req->callback); |
1301 | req->callback = newSVsv (callback); |
1921 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1922 | } |
|
|
1923 | } |
1302 | |
1924 | |
1303 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1925 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1304 | |
1926 | |
1305 | void |
1927 | void |
1306 | add (aio_req grp, ...) |
1928 | add (aio_req grp, ...) |
1307 | PPCODE: |
1929 | PPCODE: |
1308 | { |
1930 | { |
1309 | int i; |
1931 | int i; |
1310 | aio_req req; |
|
|
1311 | |
1932 | |
1312 | if (grp->fd == 2) |
1933 | if (grp->int1 == 2) |
1313 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1934 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1314 | |
1935 | |
1315 | for (i = 1; i < items; ++i ) |
1936 | for (i = 1; i < items; ++i ) |
1316 | { |
1937 | { |
|
|
1938 | aio_req req; |
|
|
1939 | |
1317 | if (GIMME_V != G_VOID) |
1940 | if (GIMME_V != G_VOID) |
1318 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1941 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1319 | |
1942 | |
1320 | req = SvAIO_REQ (ST (i)); |
1943 | req = SvAIO_REQ (ST (i)); |
1321 | |
1944 | |
1322 | if (req) |
1945 | if (req) |
1323 | { |
1946 | eio_grp_add (grp, req); |
1324 | ++grp->length; |
|
|
1325 | req->grp = grp; |
|
|
1326 | |
|
|
1327 | req->grp_prev = 0; |
|
|
1328 | req->grp_next = grp->grp_first; |
|
|
1329 | |
|
|
1330 | if (grp->grp_first) |
|
|
1331 | grp->grp_first->grp_prev = req; |
|
|
1332 | |
|
|
1333 | grp->grp_first = req; |
|
|
1334 | } |
|
|
1335 | } |
1947 | } |
1336 | } |
1948 | } |
|
|
1949 | |
|
|
1950 | void |
|
|
1951 | cancel_subs (aio_req_ornot req) |
|
|
1952 | CODE: |
|
|
1953 | req_cancel_subs (req); |
1337 | |
1954 | |
1338 | void |
1955 | void |
1339 | result (aio_req grp, ...) |
1956 | result (aio_req grp, ...) |
1340 | CODE: |
1957 | CODE: |
1341 | { |
1958 | { |
1342 | int i; |
1959 | int i; |
|
|
1960 | AV *av; |
|
|
1961 | |
|
|
1962 | grp->errorno = errno; |
|
|
1963 | |
1343 | AV *av = newAV (); |
1964 | av = newAV (); |
|
|
1965 | av_extend (av, items - 1); |
1344 | |
1966 | |
1345 | for (i = 1; i < items; ++i ) |
1967 | for (i = 1; i < items; ++i ) |
1346 | av_push (av, newSVsv (ST (i))); |
1968 | av_push (av, newSVsv (ST (i))); |
1347 | |
1969 | |
1348 | SvREFCNT_dec (grp->data); |
1970 | SvREFCNT_dec (grp->sv1); |
1349 | grp->data = (SV *)av; |
1971 | grp->sv1 = (SV *)av; |
1350 | } |
1972 | } |
1351 | |
1973 | |
1352 | void |
1974 | void |
|
|
1975 | errno (aio_req grp, int errorno = errno) |
|
|
1976 | CODE: |
|
|
1977 | grp->errorno = errorno; |
|
|
1978 | |
|
|
1979 | void |
1353 | feed_limit (aio_req grp, int limit) |
1980 | limit (aio_req grp, int limit) |
1354 | CODE: |
1981 | CODE: |
1355 | grp->fd2 = limit; |
1982 | eio_grp_limit (grp, limit); |
1356 | aio_grp_feed (grp); |
|
|
1357 | |
1983 | |
1358 | void |
1984 | void |
1359 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1985 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1360 | CODE: |
1986 | CODE: |
1361 | { |
1987 | { |
1362 | SvREFCNT_dec (grp->fh2); |
1988 | SvREFCNT_dec (grp->sv2); |
1363 | grp->fh2 = newSVsv (callback); |
1989 | grp->sv2 = newSVsv (callback); |
|
|
1990 | grp->feed = aio_grp_feed; |
1364 | |
1991 | |
1365 | if (grp->fd2 <= 0) |
1992 | if (grp->int2 <= 0) |
1366 | grp->fd2 = 2; |
1993 | grp->int2 = 2; |
1367 | |
1994 | |
1368 | aio_grp_feed (grp); |
1995 | eio_grp_limit (grp, grp->int2); |
1369 | } |
1996 | } |
1370 | |
1997 | |