1 | #include "xthread.h" |
1 | #include "libeio/xthread.h" |
2 | |
2 | |
3 | #include <errno.h> |
3 | #include <errno.h> |
4 | |
4 | |
5 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
6 | #include "perl.h" |
6 | #include "perl.h" |
7 | #include "XSUB.h" |
7 | #include "XSUB.h" |
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8 | |
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9 | #include "schmorp.h" |
8 | |
10 | |
9 | #include <stddef.h> |
11 | #include <stddef.h> |
10 | #include <stdlib.h> |
12 | #include <stdlib.h> |
11 | #include <errno.h> |
13 | #include <errno.h> |
12 | #include <sys/types.h> |
14 | #include <sys/types.h> |
13 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
14 | #include <limits.h> |
16 | #include <limits.h> |
15 | #include <fcntl.h> |
17 | #include <fcntl.h> |
16 | #include <sched.h> |
18 | #include <sched.h> |
17 | |
19 | |
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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 | |
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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 | |
18 | #ifdef _WIN32 |
42 | #ifdef _WIN32 |
19 | |
43 | |
20 | # define SIGIO 0 |
44 | // perl overrides all those nice libc functions |
21 | typedef Direntry_t X_DIRENT; |
45 | |
22 | #undef malloc |
46 | #undef malloc |
23 | #undef free |
47 | #undef free |
24 | |
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25 | // perl overrides all those nice win32 functions |
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26 | # undef open |
48 | #undef open |
27 | # undef read |
49 | #undef read |
28 | # undef write |
50 | #undef write |
29 | # undef send |
51 | #undef send |
30 | # undef recv |
52 | #undef recv |
31 | # undef stat |
53 | #undef stat |
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54 | #undef lstat |
32 | # undef fstat |
55 | #undef fstat |
33 | # define lstat stat |
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34 | # undef truncate |
56 | #undef truncate |
35 | # undef ftruncate |
57 | #undef ftruncate |
36 | # undef open |
58 | #undef open |
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59 | #undef link |
37 | # undef close |
60 | #undef close |
38 | # undef unlink |
61 | #undef unlink |
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62 | #undef mkdir |
39 | # undef rmdir |
63 | #undef rmdir |
40 | # undef rename |
64 | #undef rename |
41 | # undef lseek |
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 |
42 | |
75 | |
43 | # define chown(a,b,c) (errno = ENOSYS, -1) |
76 | #define EIO_STRUCT_STAT struct _stati64 |
44 | # define fchown(a,b,c) (errno = ENOSYS, -1) |
77 | #define EIO_STRUCT_STATI64 |
45 | # define fchmod(a,b) (errno = ENOSYS, -1) |
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46 | # define symlink(a,b) (errno = ENOSYS, -1) |
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47 | # define readlink(a,b,c) (errno = ENOSYS, -1) |
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48 | # define mknod(a,b,c) (errno = ENOSYS, -1) |
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49 | # define truncate(a,b) (errno = ENOSYS, -1) |
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50 | # define ftruncate(fd,o) chsize ((fd), (o)) |
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51 | # define fsync(fd) _commit (fd) |
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52 | # define opendir(fd) (errno = ENOSYS, 0) |
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53 | # define readdir(fd) (errno = ENOSYS, -1) |
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54 | # define closedir(fd) (errno = ENOSYS, -1) |
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55 | # define mkdir(a,b) mkdir (a) |
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56 | |
78 | |
57 | #else |
79 | #else |
58 | |
80 | |
59 | # include "autoconf/config.h" |
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60 | # include <sys/time.h> |
81 | #include <sys/time.h> |
61 | # include <sys/select.h> |
82 | #include <sys/select.h> |
62 | # include <unistd.h> |
83 | #include <unistd.h> |
63 | # include <utime.h> |
84 | #include <utime.h> |
64 | # include <signal.h> |
85 | #include <signal.h> |
65 | typedef struct dirent X_DIRENT; |
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66 | |
86 | |
67 | #endif |
87 | #define EIO_STRUCT_STAT Stat_t |
68 | |
88 | |
69 | #if HAVE_SENDFILE |
89 | #endif |
70 | # if __linux |
90 | |
71 | # include <sys/sendfile.h> |
91 | /*****************************************************************************/ |
72 | # elif __freebsd |
92 | |
73 | # include <sys/socket.h> |
93 | #if __GNUC__ >= 3 |
74 | # include <sys/uio.h> |
94 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
75 | # elif __hpux |
95 | #else |
76 | # include <sys/socket.h> |
96 | # define expect(expr,value) (expr) |
77 | # elif __solaris /* not yet */ |
97 | #endif |
78 | # include <sys/sendfile.h> |
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 |
79 | # else |
140 | # else |
80 | # error sendfile support requested but not available |
141 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
81 | # endif |
142 | # endif |
82 | #endif |
143 | #endif |
83 | |
144 | |
84 | /* number of seconds after which idle threads exit */ |
145 | /* defines all sorts of constants to 0 unless they are already defined */ |
85 | #define IDLE_TIMEOUT 10 |
146 | #include "def0.h" |
86 | |
147 | |
87 | /* used for struct dirent, AIX doesn't provide it */ |
148 | #ifndef makedev |
88 | #ifndef NAME_MAX |
149 | # define makedev(maj,min) (((maj) << 8) | (min)) |
89 | # define NAME_MAX 4096 |
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90 | #endif |
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 |
91 | |
157 | |
92 | /* buffer size for various temporary buffers */ |
158 | #ifndef PAGESIZE |
93 | #define AIO_BUFSIZE 65536 |
159 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
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160 | #endif |
94 | |
161 | |
95 | /* use NV for 32 bit perls as it allows larger offsets */ |
162 | /*****************************************************************************/ |
96 | #if IVSIZE >= 8 |
163 | |
97 | # define SvVAL64 SvIV |
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 | int count = req->int3; |
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171 | |
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172 | /* heuristic: first try with 72 extents if we don't know how many, */ |
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173 | /* as most files have (hopefully) fewer than this many extents */ |
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174 | /* in fact, most should have <= 2, so the 72 below is probably overkill */ |
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175 | if (count < 0) |
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176 | count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */ |
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177 | |
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178 | for (;;) |
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179 | { |
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180 | struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
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181 | errno = ENOMEM; |
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182 | if (!fiemap) |
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183 | return; |
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184 | |
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185 | req->ptr1 = fiemap; |
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186 | req->flags |= EIO_FLAG_PTR1_FREE; |
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187 | |
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188 | fiemap->fm_start = req->offs; |
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189 | fiemap->fm_length = req->size; |
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190 | fiemap->fm_flags = req->int2; |
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191 | fiemap->fm_extent_count = count; |
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192 | |
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193 | if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap)) |
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194 | return; |
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195 | |
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196 | if (req->int3 >= 0) |
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197 | break; /* when not autosizing we are done */ |
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198 | |
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199 | if (!fiemap->fm_mapped_extents) |
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200 | break; /* if file has no segments, we are done */ |
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201 | |
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202 | if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST) |
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203 | break; /* autosizing successful, we are done */ |
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204 | |
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205 | fiemap->fm_flags = req->int2; |
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206 | fiemap->fm_extent_count = 0; |
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207 | |
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208 | if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap)) |
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209 | return; |
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210 | |
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211 | count = fiemap->fm_mapped_extents; |
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212 | |
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213 | free (fiemap); |
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214 | } |
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215 | |
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216 | req->result = 0; |
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217 | |
98 | #else |
218 | #else |
99 | # define SvVAL64 SvNV |
219 | errno = ENOSYS; |
100 | #endif |
220 | #endif |
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221 | } |
101 | |
222 | |
102 | static HV *stash; |
223 | /*****************************************************************************/ |
103 | |
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104 | #define dBUF \ |
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105 | char *aio_buf; \ |
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106 | X_LOCK (wrklock); \ |
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107 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
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108 | X_UNLOCK (wrklock); \ |
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109 | if (!aio_buf) \ |
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110 | return -1; |
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111 | |
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112 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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113 | |
224 | |
114 | enum { |
225 | enum { |
115 | REQ_QUIT, |
226 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
116 | REQ_OPEN, REQ_CLOSE, |
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117 | REQ_READ, REQ_WRITE, |
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118 | REQ_READAHEAD, REQ_SENDFILE, |
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119 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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120 | REQ_TRUNCATE, REQ_FTRUNCATE, |
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121 | REQ_UTIME, REQ_FUTIME, |
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122 | REQ_CHMOD, REQ_FCHMOD, |
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123 | REQ_CHOWN, REQ_FCHOWN, |
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124 | REQ_SYNC, REQ_FSYNC, REQ_FDATASYNC, |
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125 | REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME, |
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126 | REQ_MKNOD, REQ_READDIR, |
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127 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
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128 | REQ_GROUP, REQ_NOP, |
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129 | REQ_BUSY, |
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130 | }; |
227 | }; |
131 | |
228 | |
132 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
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133 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
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134 | |
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135 | typedef struct aio_cb |
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136 | { |
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137 | struct aio_cb *volatile next; |
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138 | |
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139 | SV *callback; |
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140 | SV *sv1, *sv2; |
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141 | void *ptr1, *ptr2; |
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142 | off_t offs; |
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143 | size_t size; |
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144 | ssize_t result; |
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145 | double nv1, nv2; |
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146 | |
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147 | STRLEN stroffset; |
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148 | int type; |
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149 | int int1, int2, int3; |
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150 | int errorno; |
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151 | mode_t mode; /* open */ |
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152 | |
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153 | unsigned char flags; |
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154 | unsigned char pri; |
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155 | |
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156 | SV *self; /* the perl counterpart of this request, if any */ |
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157 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
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158 | } aio_cb; |
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159 | |
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160 | enum { |
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161 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
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162 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
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163 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
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164 | }; |
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165 | |
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166 | typedef aio_cb *aio_req; |
229 | typedef eio_req *aio_req; |
167 | typedef aio_cb *aio_req_ornot; |
230 | typedef eio_req *aio_req_ornot; |
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231 | typedef eio_wd aio_wd; |
168 | |
232 | |
169 | enum { |
233 | static SV *on_next_submit; |
170 | PRI_MIN = -4, |
234 | static int next_pri = EIO_PRI_DEFAULT; |
171 | PRI_MAX = 4, |
235 | static int max_outstanding; |
172 | |
236 | |
173 | DEFAULT_PRI = 0, |
237 | static s_epipe respipe; |
174 | PRI_BIAS = -PRI_MIN, |
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175 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
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176 | }; |
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177 | |
238 | |
178 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
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179 | |
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180 | static unsigned int max_poll_time = 0; |
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181 | static unsigned int max_poll_reqs = 0; |
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182 | |
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183 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
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184 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
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185 | { |
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186 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
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187 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
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188 | } |
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189 | |
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190 | static thread_t main_tid; |
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191 | static int main_sig; |
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192 | static int block_sig_level; |
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193 | |
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194 | void block_sig (void) |
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195 | { |
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196 | sigset_t ss; |
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197 | |
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198 | if (block_sig_level++) |
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199 | return; |
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200 | |
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201 | if (!main_sig) |
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202 | return; |
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203 | |
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204 | sigemptyset (&ss); |
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205 | sigaddset (&ss, main_sig); |
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206 | pthread_sigmask (SIG_BLOCK, &ss, 0); |
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207 | } |
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208 | |
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209 | void unblock_sig (void) |
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210 | { |
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211 | sigset_t ss; |
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212 | |
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213 | if (--block_sig_level) |
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214 | return; |
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215 | |
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216 | if (!main_sig) |
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217 | return; |
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218 | |
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219 | sigemptyset (&ss); |
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220 | sigaddset (&ss, main_sig); |
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221 | pthread_sigmask (SIG_UNBLOCK, &ss, 0); |
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222 | } |
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223 | |
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224 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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225 | |
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226 | static unsigned int started, idle, wanted; |
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227 | |
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228 | /* worker threads management */ |
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229 | static mutex_t wrklock = X_MUTEX_INIT; |
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230 | |
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231 | typedef struct worker { |
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232 | /* locked by wrklock */ |
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233 | struct worker *prev, *next; |
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234 | |
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235 | thread_t tid; |
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236 | |
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237 | /* locked by reslock, reqlock or wrklock */ |
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238 | aio_req req; /* currently processed request */ |
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239 | void *dbuf; |
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240 | DIR *dirp; |
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241 | } worker; |
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242 | |
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243 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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244 | |
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245 | static void worker_clear (worker *wrk) |
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246 | { |
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247 | if (wrk->dirp) |
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248 | { |
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249 | closedir (wrk->dirp); |
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250 | wrk->dirp = 0; |
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251 | } |
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252 | |
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253 | if (wrk->dbuf) |
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254 | { |
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255 | free (wrk->dbuf); |
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256 | wrk->dbuf = 0; |
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257 | } |
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258 | } |
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259 | |
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260 | static void worker_free (worker *wrk) |
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261 | { |
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262 | wrk->next->prev = wrk->prev; |
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263 | wrk->prev->next = wrk->next; |
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264 | |
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265 | free (wrk); |
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266 | } |
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267 | |
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268 | static volatile unsigned int nreqs, nready, npending; |
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269 | static volatile unsigned int max_idle = 4; |
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270 | static volatile unsigned int max_outstanding = 0xffffffff; |
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271 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
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272 | |
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273 | static mutex_t reslock = X_MUTEX_INIT; |
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274 | static mutex_t reqlock = X_MUTEX_INIT; |
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275 | static cond_t reqwait = X_COND_INIT; |
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276 | |
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277 | #if WORDACCESS_UNSAFE |
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278 | |
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279 | static unsigned int get_nready (void) |
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280 | { |
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281 | unsigned int retval; |
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282 | |
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283 | X_LOCK (reqlock); |
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284 | retval = nready; |
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285 | X_UNLOCK (reqlock); |
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286 | |
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287 | return retval; |
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288 | } |
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289 | |
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290 | static unsigned int get_npending (void) |
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291 | { |
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292 | unsigned int retval; |
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293 | |
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294 | X_LOCK (reslock); |
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295 | retval = npending; |
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296 | X_UNLOCK (reslock); |
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297 | |
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298 | return retval; |
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299 | } |
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300 | |
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301 | static unsigned int get_nthreads (void) |
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302 | { |
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303 | unsigned int retval; |
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304 | |
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305 | X_LOCK (wrklock); |
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306 | retval = started; |
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307 | X_UNLOCK (wrklock); |
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308 | |
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309 | return retval; |
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310 | } |
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311 | |
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312 | #else |
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313 | |
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314 | # define get_nready() nready |
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315 | # define get_npending() npending |
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316 | # define get_nthreads() started |
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317 | |
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318 | #endif |
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319 | |
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320 | /* |
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321 | * a somewhat faster data structure might be nice, but |
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322 | * with 8 priorities this actually needs <20 insns |
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323 | * per shift, the most expensive operation. |
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324 | */ |
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325 | typedef struct { |
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326 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
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327 | int size; |
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328 | } reqq; |
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329 | |
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330 | static reqq req_queue; |
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331 | static reqq res_queue; |
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332 | |
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333 | int reqq_push (reqq *q, aio_req req) |
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334 | { |
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335 | int pri = req->pri; |
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336 | req->next = 0; |
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337 | |
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338 | if (q->qe[pri]) |
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339 | { |
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340 | q->qe[pri]->next = req; |
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341 | q->qe[pri] = req; |
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342 | } |
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343 | else |
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344 | q->qe[pri] = q->qs[pri] = req; |
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345 | |
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346 | return q->size++; |
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347 | } |
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348 | |
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349 | aio_req reqq_shift (reqq *q) |
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350 | { |
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351 | int pri; |
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352 | |
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353 | if (!q->size) |
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354 | return 0; |
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355 | |
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356 | --q->size; |
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357 | |
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358 | for (pri = NUM_PRI; pri--; ) |
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359 | { |
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360 | aio_req req = q->qs[pri]; |
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361 | |
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362 | if (req) |
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363 | { |
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364 | if (!(q->qs[pri] = req->next)) |
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365 | q->qe[pri] = 0; |
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366 | |
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367 | return req; |
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368 | } |
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369 | } |
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370 | |
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371 | abort (); |
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372 | } |
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373 | |
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374 | static int poll_cb (void); |
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375 | static int req_invoke (aio_req req); |
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376 | static void req_destroy (aio_req req); |
239 | static void req_destroy (aio_req req); |
377 | static void req_cancel (aio_req req); |
240 | static void req_cancel (aio_req req); |
378 | |
241 | |
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242 | static void |
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243 | want_poll (void) |
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244 | { |
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245 | /* write a dummy byte to the pipe so fh becomes ready */ |
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246 | s_epipe_signal (&respipe); |
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247 | } |
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248 | |
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249 | static void |
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250 | done_poll (void) |
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251 | { |
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252 | /* read any signals sent by the worker threads */ |
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253 | s_epipe_drain (&respipe); |
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254 | } |
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255 | |
379 | /* must be called at most once */ |
256 | /* must be called at most once */ |
380 | static SV *req_sv (aio_req req, const char *klass) |
257 | static SV * |
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258 | req_sv (aio_req req, HV *stash) |
381 | { |
259 | { |
382 | if (!req->self) |
260 | if (!req->self) |
383 | { |
261 | { |
384 | req->self = (SV *)newHV (); |
262 | req->self = (SV *)newHV (); |
385 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
263 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
386 | } |
264 | } |
387 | |
265 | |
388 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
266 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
389 | } |
267 | } |
390 | |
268 | |
391 | static aio_req SvAIO_REQ (SV *sv) |
269 | static SV * |
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270 | newSVaio_wd (aio_wd wd) |
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271 | { |
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272 | return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash); |
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273 | } |
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274 | |
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275 | static aio_req |
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276 | SvAIO_REQ (SV *sv) |
392 | { |
277 | { |
393 | MAGIC *mg; |
278 | MAGIC *mg; |
394 | |
279 | |
395 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
280 | if (!SvROK (sv) |
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281 | /* for speed reasons, we do not verify that SvROK actually has a stash ptr */ |
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282 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
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283 | && SvSTASH (SvRV (sv)) != aio_req_stash |
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284 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
396 | croak ("object of class " AIO_REQ_KLASS " expected"); |
285 | croak ("object of class IO::AIO::REQ expected"); |
397 | |
286 | |
398 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
287 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
399 | |
288 | |
400 | return mg ? (aio_req)mg->mg_ptr : 0; |
289 | return mg ? (aio_req)mg->mg_ptr : 0; |
401 | } |
290 | } |
402 | |
291 | |
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292 | static aio_wd |
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293 | SvAIO_WD (SV *sv) |
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294 | { |
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295 | if (!SvROK (sv) |
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296 | || SvTYPE (SvRV (sv)) != SVt_PVMG |
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297 | || SvSTASH (SvRV (sv)) != aio_wd_stash) |
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298 | croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
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299 | |
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300 | return (aio_wd)(long)SvIVX (SvRV (sv)); |
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301 | } |
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302 | |
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303 | static void |
403 | static void aio_grp_feed (aio_req grp) |
304 | aio_grp_feed (aio_req grp) |
404 | { |
305 | { |
405 | block_sig (); |
306 | if (grp->sv2 && SvOK (grp->sv2)) |
406 | |
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407 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
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408 | { |
307 | { |
409 | int old_len = grp->size; |
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410 | |
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411 | if (grp->sv2 && SvOK (grp->sv2)) |
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412 | { |
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413 | dSP; |
308 | dSP; |
414 | |
309 | |
415 | ENTER; |
310 | ENTER; |
416 | SAVETMPS; |
311 | SAVETMPS; |
417 | PUSHMARK (SP); |
312 | PUSHMARK (SP); |
418 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
313 | XPUSHs (req_sv (grp, aio_grp_stash)); |
419 | PUTBACK; |
314 | PUTBACK; |
420 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
315 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
421 | SPAGAIN; |
316 | SPAGAIN; |
422 | FREETMPS; |
317 | FREETMPS; |
423 | LEAVE; |
318 | LEAVE; |
424 | } |
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425 | |
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426 | /* stop if no progress has been made */ |
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427 | if (old_len == grp->size) |
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428 | { |
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429 | SvREFCNT_dec (grp->sv2); |
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430 | grp->sv2 = 0; |
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431 | break; |
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432 | } |
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433 | } |
319 | } |
434 | |
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435 | unblock_sig (); |
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436 | } |
320 | } |
437 | |
321 | |
438 | static void aio_grp_dec (aio_req grp) |
322 | static void |
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323 | req_submit (eio_req *req) |
439 | { |
324 | { |
440 | --grp->size; |
325 | eio_submit (req); |
441 | |
326 | |
442 | /* call feeder, if applicable */ |
327 | if (expect_false (on_next_submit)) |
443 | aio_grp_feed (grp); |
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444 | |
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445 | /* finish, if done */ |
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446 | if (!grp->size && grp->int1) |
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447 | { |
328 | { |
448 | block_sig (); |
329 | dSP; |
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330 | SV *cb = sv_2mortal (on_next_submit); |
449 | |
331 | |
450 | if (!req_invoke (grp)) |
332 | on_next_submit = 0; |
451 | { |
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452 | req_destroy (grp); |
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453 | unblock_sig (); |
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454 | croak (0); |
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455 | } |
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456 | |
333 | |
457 | req_destroy (grp); |
334 | PUSHMARK (SP); |
458 | unblock_sig (); |
335 | PUTBACK; |
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336 | call_sv (cb, G_DISCARD | G_EVAL); |
459 | } |
337 | } |
460 | } |
338 | } |
461 | |
339 | |
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340 | static int |
462 | static int req_invoke (aio_req req) |
341 | req_invoke (eio_req *req) |
463 | { |
342 | { |
464 | dSP; |
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465 | |
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466 | if (req->flags & FLAG_SV2_RO_OFF) |
343 | if (req->flags & FLAG_SV2_RO_OFF) |
467 | SvREADONLY_off (req->sv2); |
344 | SvREADONLY_off (req->sv2); |
468 | |
345 | |
469 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
346 | if (!EIO_CANCELLED (req) && req->callback) |
470 | { |
347 | { |
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348 | dSP; |
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349 | static SV *sv_result_cache; /* caches the result integer SV */ |
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350 | SV *sv_result; |
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351 | |
471 | ENTER; |
352 | ENTER; |
472 | SAVETMPS; |
353 | SAVETMPS; |
473 | PUSHMARK (SP); |
354 | PUSHMARK (SP); |
474 | EXTEND (SP, 1); |
355 | EXTEND (SP, 1); |
475 | |
356 | |
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357 | /* do not recreate the result IV from scratch each time */ |
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358 | if (expect_true (sv_result_cache)) |
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359 | { |
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360 | sv_result = sv_result_cache; sv_result_cache = 0; |
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361 | SvIV_set (sv_result, req->result); |
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362 | SvIOK_only (sv_result); |
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363 | } |
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364 | else |
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365 | { |
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366 | sv_result = newSViv (req->result); |
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367 | SvREADONLY_on (sv_result); |
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368 | } |
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369 | |
476 | switch (req->type) |
370 | switch (req->type) |
477 | { |
371 | { |
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372 | case EIO_WD_OPEN: |
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373 | PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd))); |
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374 | break; |
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375 | |
478 | case REQ_READDIR: |
376 | case EIO_READDIR: |
479 | { |
377 | { |
480 | SV *rv = &PL_sv_undef; |
378 | SV *rv = &PL_sv_undef; |
481 | |
379 | |
482 | if (req->result >= 0) |
380 | if (req->result >= 0) |
483 | { |
381 | { |
484 | int i; |
382 | int i; |
485 | char *buf = req->ptr2; |
383 | char *names = (char *)req->ptr2; |
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384 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
486 | AV *av = newAV (); |
385 | AV *av = newAV (); |
487 | |
386 | |
488 | av_extend (av, req->result - 1); |
387 | av_extend (av, req->result - 1); |
489 | |
388 | |
490 | for (i = 0; i < req->result; ++i) |
389 | for (i = 0; i < req->result; ++i) |
491 | { |
390 | { |
492 | SV *sv = newSVpv (buf, 0); |
391 | if (req->int1 & EIO_READDIR_DENTS) |
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392 | { |
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393 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
493 | |
394 | |
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395 | if (req->int1 & EIO_READDIR_CUSTOM2) |
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396 | { |
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397 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
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398 | AV *avent = newAV (); |
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399 | |
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400 | av_extend (avent, 2); |
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401 | |
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402 | if (!sv_type [ent->type]) |
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403 | { |
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404 | sv_type [ent->type] = newSViv (ent->type); |
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405 | SvREADONLY_on (sv_type [ent->type]); |
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406 | } |
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407 | |
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408 | av_store (avent, 0, namesv); |
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409 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
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410 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
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411 | |
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412 | av_store (av, i, newRV_noinc ((SV *)avent)); |
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413 | } |
|
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414 | else |
494 | av_store (av, i, sv); |
415 | av_store (av, i, namesv); |
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416 | |
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417 | ++ent; |
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418 | } |
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419 | else |
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420 | { |
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421 | SV *name = newSVpv (names, 0); |
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422 | av_store (av, i, name); |
495 | buf += SvCUR (sv) + 1; |
423 | names += SvCUR (name) + 1; |
|
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424 | } |
496 | } |
425 | } |
497 | |
426 | |
498 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
427 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
499 | } |
428 | } |
500 | |
429 | |
501 | PUSHs (rv); |
430 | PUSHs (rv); |
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431 | |
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432 | if (req->int1 & EIO_READDIR_CUSTOM1) |
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433 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
502 | } |
434 | } |
503 | break; |
435 | break; |
504 | |
436 | |
505 | case REQ_OPEN: |
437 | case EIO_OPEN: |
506 | { |
438 | { |
507 | /* convert fd to fh */ |
439 | /* convert fd to fh */ |
508 | SV *fh = &PL_sv_undef; |
440 | SV *fh = &PL_sv_undef; |
509 | |
441 | |
510 | if (req->result >= 0) |
442 | if (req->result >= 0) |
… | |
… | |
512 | GV *gv = (GV *)sv_newmortal (); |
444 | GV *gv = (GV *)sv_newmortal (); |
513 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
445 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
514 | char sym [64]; |
446 | char sym [64]; |
515 | int symlen; |
447 | int symlen; |
516 | |
448 | |
517 | symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); |
449 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
518 | gv_init (gv, stash, sym, symlen, 0); |
450 | gv_init (gv, aio_stash, sym, symlen, 0); |
519 | |
451 | |
520 | symlen = snprintf ( |
452 | symlen = snprintf ( |
521 | sym, |
453 | sym, |
522 | sizeof (sym), |
454 | sizeof (sym), |
523 | "%s&=%d", |
455 | "%s&=%d", |
524 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
456 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
525 | req->result |
457 | (int)req->result |
526 | ); |
458 | ); |
527 | |
459 | |
528 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
460 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
529 | fh = (SV *)gv; |
461 | fh = (SV *)gv; |
530 | } |
462 | } |
531 | |
463 | |
532 | PUSHs (fh); |
464 | PUSHs (fh); |
533 | } |
465 | } |
534 | break; |
466 | break; |
535 | |
467 | |
|
|
468 | case EIO_STATVFS: |
|
|
469 | case EIO_FSTATVFS: |
|
|
470 | { |
|
|
471 | SV *rv = &PL_sv_undef; |
|
|
472 | |
|
|
473 | #ifndef _WIN32 |
|
|
474 | if (req->result >= 0) |
|
|
475 | { |
|
|
476 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
477 | HV *hv = newHV (); |
|
|
478 | |
|
|
479 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
|
|
480 | |
|
|
481 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
|
|
482 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
483 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
484 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
485 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
486 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
487 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
488 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
489 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
|
|
490 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
491 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
492 | } |
|
|
493 | #endif |
|
|
494 | |
|
|
495 | PUSHs (rv); |
|
|
496 | } |
|
|
497 | |
|
|
498 | break; |
|
|
499 | |
536 | case REQ_GROUP: |
500 | case EIO_GROUP: |
537 | req->int1 = 2; /* mark group as finished */ |
501 | req->int1 = 2; /* mark group as finished */ |
538 | |
502 | |
539 | if (req->sv1) |
503 | if (req->sv1) |
540 | { |
504 | { |
541 | int i; |
505 | int i; |
… | |
… | |
545 | for (i = 0; i <= AvFILL (av); ++i) |
509 | for (i = 0; i <= AvFILL (av); ++i) |
546 | PUSHs (*av_fetch (av, i, 0)); |
510 | PUSHs (*av_fetch (av, i, 0)); |
547 | } |
511 | } |
548 | break; |
512 | break; |
549 | |
513 | |
550 | case REQ_NOP: |
514 | case EIO_NOP: |
551 | case REQ_BUSY: |
515 | case EIO_BUSY: |
552 | break; |
516 | break; |
553 | |
517 | |
554 | case REQ_READLINK: |
518 | case EIO_READLINK: |
|
|
519 | case EIO_REALPATH: |
555 | if (req->result > 0) |
520 | if (req->result > 0) |
|
|
521 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
522 | break; |
|
|
523 | |
|
|
524 | case EIO_STAT: |
|
|
525 | case EIO_LSTAT: |
|
|
526 | case EIO_FSTAT: |
|
|
527 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
528 | |
|
|
529 | if (!(PL_laststatval = req->result)) |
|
|
530 | /* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
|
|
531 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
532 | |
|
|
533 | PUSHs (sv_result); |
|
|
534 | break; |
|
|
535 | |
|
|
536 | case EIO_SEEK: |
|
|
537 | PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs))); |
|
|
538 | break; |
|
|
539 | |
|
|
540 | case EIO_READ: |
|
|
541 | { |
|
|
542 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
543 | *SvEND (req->sv2) = 0; |
|
|
544 | SvPOK_only (req->sv2); |
|
|
545 | SvSETMAGIC (req->sv2); |
|
|
546 | PUSHs (sv_result); |
|
|
547 | } |
|
|
548 | break; |
|
|
549 | |
|
|
550 | case EIO_CUSTOM: |
|
|
551 | if (req->feed == fiemap) |
556 | { |
552 | { |
557 | SvCUR_set (req->sv2, req->result); |
553 | #if HAVE_FIEMAP |
558 | *SvEND (req->sv2) = 0; |
|
|
559 | PUSHs (req->sv2); |
554 | if (!req->result) |
|
|
555 | { |
|
|
556 | struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
|
|
557 | |
|
|
558 | if (fiemap->fm_extent_count) |
|
|
559 | { |
|
|
560 | AV *av = newAV (); |
|
|
561 | int i; |
|
|
562 | |
|
|
563 | while (fiemap->fm_mapped_extents) |
|
|
564 | { |
|
|
565 | struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents]; |
|
|
566 | AV *ext_av = newAV (); |
|
|
567 | |
|
|
568 | av_store (ext_av, 3, newSVuv (extent->fe_flags)); |
|
|
569 | av_store (ext_av, 2, newSVval64 (extent->fe_length)); |
|
|
570 | av_store (ext_av, 1, newSVval64 (extent->fe_physical)); |
|
|
571 | av_store (ext_av, 0, newSVval64 (extent->fe_logical)); |
|
|
572 | |
|
|
573 | av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av)); |
|
|
574 | } |
|
|
575 | |
|
|
576 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
577 | } |
|
|
578 | else |
|
|
579 | { |
|
|
580 | SvIV_set (sv_result, fiemap->fm_mapped_extents); |
|
|
581 | PUSHs (sv_result); |
|
|
582 | } |
|
|
583 | } |
|
|
584 | #endif |
560 | } |
585 | } |
|
|
586 | else |
|
|
587 | PUSHs (sv_result); |
561 | break; |
588 | break; |
562 | |
589 | |
563 | case REQ_STAT: |
590 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
564 | case REQ_LSTAT: |
591 | if (req->result > 0) |
565 | case REQ_FSTAT: |
592 | SvIV_set (sv_result, 0); |
566 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
593 | /* FALLTHROUGH */ |
567 | PL_laststatval = req->result; |
|
|
568 | PL_statcache = *(Stat_t *)(req->ptr2); |
|
|
569 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
570 | break; |
|
|
571 | |
|
|
572 | case REQ_READ: |
|
|
573 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
574 | *SvEND (req->sv2) = 0; |
|
|
575 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
576 | break; |
|
|
577 | |
594 | |
578 | default: |
595 | default: |
579 | PUSHs (sv_2mortal (newSViv (req->result))); |
596 | PUSHs (sv_result); |
580 | break; |
597 | break; |
581 | } |
598 | } |
582 | |
599 | |
583 | errno = req->errorno; |
600 | errno = req->errorno; |
584 | |
601 | |
585 | PUTBACK; |
602 | PUTBACK; |
586 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
603 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
587 | SPAGAIN; |
604 | SPAGAIN; |
588 | |
605 | |
|
|
606 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
607 | SvREFCNT_dec (sv_result); |
|
|
608 | else |
|
|
609 | sv_result_cache = sv_result; |
|
|
610 | |
589 | FREETMPS; |
611 | FREETMPS; |
590 | LEAVE; |
612 | LEAVE; |
591 | |
613 | |
592 | PUTBACK; |
614 | PUTBACK; |
593 | } |
615 | } |
594 | |
616 | |
595 | if (req->grp) |
|
|
596 | { |
|
|
597 | aio_req grp = req->grp; |
|
|
598 | |
|
|
599 | /* unlink request */ |
|
|
600 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
601 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
602 | |
|
|
603 | if (grp->grp_first == req) |
|
|
604 | grp->grp_first = req->grp_next; |
|
|
605 | |
|
|
606 | aio_grp_dec (grp); |
|
|
607 | } |
|
|
608 | |
|
|
609 | return !SvTRUE (ERRSV); |
617 | return !!SvTRUE (ERRSV); |
610 | } |
618 | } |
611 | |
619 | |
|
|
620 | static void |
612 | static void req_destroy (aio_req req) |
621 | req_destroy (aio_req req) |
613 | { |
622 | { |
614 | if (req->self) |
623 | if (req->self) |
615 | { |
624 | { |
616 | sv_unmagic (req->self, PERL_MAGIC_ext); |
625 | sv_unmagic (req->self, PERL_MAGIC_ext); |
617 | SvREFCNT_dec (req->self); |
626 | SvREFCNT_dec (req->self); |
618 | } |
627 | } |
619 | |
628 | |
620 | SvREFCNT_dec (req->sv1); |
629 | SvREFCNT_dec (req->sv1); |
621 | SvREFCNT_dec (req->sv2); |
630 | SvREFCNT_dec (req->sv2); |
|
|
631 | SvREFCNT_dec (req->sv3); |
|
|
632 | SvREFCNT_dec (req->sv4); |
622 | SvREFCNT_dec (req->callback); |
633 | SvREFCNT_dec (req->callback); |
623 | |
634 | |
624 | if (req->flags & FLAG_PTR2_FREE) |
|
|
625 | free (req->ptr2); |
|
|
626 | |
|
|
627 | Safefree (req); |
635 | free (req); |
628 | } |
636 | } |
629 | |
637 | |
|
|
638 | static void |
630 | static void req_cancel_subs (aio_req grp) |
639 | req_cancel_subs (aio_req grp) |
631 | { |
640 | { |
632 | aio_req sub; |
|
|
633 | |
|
|
634 | if (grp->type != REQ_GROUP) |
641 | if (grp->type != EIO_GROUP) |
635 | return; |
642 | return; |
636 | |
643 | |
637 | SvREFCNT_dec (grp->sv2); |
644 | SvREFCNT_dec (grp->sv2); |
638 | grp->sv2 = 0; |
645 | grp->sv2 = 0; |
639 | |
646 | |
640 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
647 | eio_grp_cancel (grp); |
641 | req_cancel (sub); |
|
|
642 | } |
648 | } |
643 | |
649 | |
644 | static void req_cancel (aio_req req) |
650 | static void ecb_cold |
|
|
651 | create_respipe (void) |
645 | { |
652 | { |
646 | req->flags |= FLAG_CANCELLED; |
653 | if (s_epipe_renew (&respipe)) |
647 | |
654 | croak ("IO::AIO: unable to initialize result pipe"); |
648 | req_cancel_subs (req); |
|
|
649 | } |
655 | } |
650 | |
|
|
651 | #ifdef USE_SOCKETS_AS_HANDLES |
|
|
652 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
|
|
653 | #else |
|
|
654 | # define TO_SOCKET(x) (x) |
|
|
655 | #endif |
|
|
656 | |
656 | |
657 | static void |
657 | static void |
658 | create_respipe (void) |
658 | poll_wait (void) |
659 | { |
659 | { |
660 | int old_readfd = respipe [0]; |
|
|
661 | |
|
|
662 | if (respipe [1] >= 0) |
|
|
663 | respipe_close (TO_SOCKET (respipe [1])); |
|
|
664 | |
|
|
665 | #ifdef _WIN32 |
|
|
666 | if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
|
|
667 | #else |
|
|
668 | if (pipe (respipe)) |
|
|
669 | #endif |
|
|
670 | croak ("unable to initialize result pipe"); |
|
|
671 | |
|
|
672 | if (old_readfd >= 0) |
|
|
673 | { |
|
|
674 | if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
|
|
675 | croak ("unable to initialize result pipe(2)"); |
|
|
676 | |
|
|
677 | respipe_close (respipe [0]); |
|
|
678 | respipe [0] = old_readfd; |
|
|
679 | } |
|
|
680 | |
|
|
681 | #ifdef _WIN32 |
|
|
682 | int arg = 1; |
|
|
683 | if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
|
|
684 | || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
|
|
685 | #else |
|
|
686 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
|
|
687 | || fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
688 | #endif |
|
|
689 | croak ("unable to initialize result pipe(3)"); |
|
|
690 | |
|
|
691 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
|
|
692 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
|
|
693 | } |
|
|
694 | |
|
|
695 | X_THREAD_PROC (aio_proc); |
|
|
696 | |
|
|
697 | static void start_thread (void) |
|
|
698 | { |
|
|
699 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
700 | |
|
|
701 | if (!wrk) |
|
|
702 | croak ("unable to allocate worker thread data"); |
|
|
703 | |
|
|
704 | X_LOCK (wrklock); |
|
|
705 | |
|
|
706 | if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) |
|
|
707 | { |
|
|
708 | wrk->prev = &wrk_first; |
|
|
709 | wrk->next = wrk_first.next; |
|
|
710 | wrk_first.next->prev = wrk; |
|
|
711 | wrk_first.next = wrk; |
|
|
712 | ++started; |
|
|
713 | } |
|
|
714 | else |
|
|
715 | free (wrk); |
|
|
716 | |
|
|
717 | X_UNLOCK (wrklock); |
|
|
718 | } |
|
|
719 | |
|
|
720 | static void maybe_start_thread (void) |
|
|
721 | { |
|
|
722 | if (get_nthreads () >= wanted) |
|
|
723 | return; |
|
|
724 | |
|
|
725 | /* todo: maybe use idle here, but might be less exact */ |
|
|
726 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
|
|
727 | return; |
|
|
728 | |
|
|
729 | start_thread (); |
|
|
730 | } |
|
|
731 | |
|
|
732 | static void req_send (aio_req req) |
|
|
733 | { |
|
|
734 | block_sig (); |
|
|
735 | |
|
|
736 | ++nreqs; |
|
|
737 | |
|
|
738 | X_LOCK (reqlock); |
|
|
739 | ++nready; |
|
|
740 | reqq_push (&req_queue, req); |
|
|
741 | X_COND_SIGNAL (reqwait); |
|
|
742 | X_UNLOCK (reqlock); |
|
|
743 | |
|
|
744 | unblock_sig (); |
|
|
745 | |
|
|
746 | maybe_start_thread (); |
|
|
747 | } |
|
|
748 | |
|
|
749 | static void end_thread (void) |
|
|
750 | { |
|
|
751 | aio_req req; |
|
|
752 | |
|
|
753 | Newz (0, req, 1, aio_cb); |
|
|
754 | |
|
|
755 | req->type = REQ_QUIT; |
|
|
756 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
757 | |
|
|
758 | X_LOCK (reqlock); |
|
|
759 | reqq_push (&req_queue, req); |
|
|
760 | X_COND_SIGNAL (reqwait); |
|
|
761 | X_UNLOCK (reqlock); |
|
|
762 | |
|
|
763 | X_LOCK (wrklock); |
|
|
764 | --started; |
|
|
765 | X_UNLOCK (wrklock); |
|
|
766 | } |
|
|
767 | |
|
|
768 | static void set_max_idle (int nthreads) |
|
|
769 | { |
|
|
770 | if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
|
|
771 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
772 | if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
|
|
773 | } |
|
|
774 | |
|
|
775 | static void min_parallel (int nthreads) |
|
|
776 | { |
|
|
777 | if (wanted < nthreads) |
|
|
778 | wanted = nthreads; |
|
|
779 | } |
|
|
780 | |
|
|
781 | static void max_parallel (int nthreads) |
|
|
782 | { |
|
|
783 | if (wanted > nthreads) |
|
|
784 | wanted = nthreads; |
|
|
785 | |
|
|
786 | while (started > wanted) |
|
|
787 | end_thread (); |
|
|
788 | } |
|
|
789 | |
|
|
790 | static void poll_wait (void) |
|
|
791 | { |
|
|
792 | fd_set rfd; |
|
|
793 | |
|
|
794 | while (nreqs) |
660 | while (eio_nreqs ()) |
795 | { |
661 | { |
796 | int size; |
662 | int size; |
797 | if (WORDACCESS_UNSAFE) X_LOCK (reslock); |
663 | |
|
|
664 | X_LOCK (reslock); |
798 | size = res_queue.size; |
665 | size = res_queue.size; |
799 | if (WORDACCESS_UNSAFE) X_UNLOCK (reslock); |
666 | X_UNLOCK (reslock); |
800 | |
667 | |
801 | if (size) |
668 | if (size) |
802 | return; |
669 | return; |
803 | |
670 | |
804 | maybe_start_thread (); |
671 | etp_maybe_start_thread (); |
805 | |
672 | |
806 | FD_ZERO (&rfd); |
673 | s_epipe_wait (&respipe); |
807 | FD_SET (respipe [0], &rfd); |
|
|
808 | |
|
|
809 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
810 | } |
674 | } |
811 | } |
675 | } |
812 | |
676 | |
813 | static int poll_cb (void) |
677 | static int |
|
|
678 | poll_cb (void) |
814 | { |
679 | { |
815 | dSP; |
|
|
816 | int count = 0; |
|
|
817 | int maxreqs = max_poll_reqs; |
|
|
818 | int do_croak = 0; |
|
|
819 | struct timeval tv_start, tv_now; |
|
|
820 | aio_req req; |
|
|
821 | |
|
|
822 | if (max_poll_time) |
|
|
823 | gettimeofday (&tv_start, 0); |
|
|
824 | |
|
|
825 | block_sig (); |
|
|
826 | |
|
|
827 | for (;;) |
680 | for (;;) |
828 | { |
681 | { |
829 | for (;;) |
682 | int res = eio_poll (); |
|
|
683 | |
|
|
684 | if (res > 0) |
|
|
685 | croak (0); |
|
|
686 | |
|
|
687 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
688 | return res; |
|
|
689 | |
|
|
690 | poll_wait (); |
|
|
691 | } |
|
|
692 | } |
|
|
693 | |
|
|
694 | static void ecb_cold |
|
|
695 | reinit (void) |
|
|
696 | { |
|
|
697 | create_respipe (); |
|
|
698 | |
|
|
699 | if (eio_init (want_poll, done_poll) < 0) |
|
|
700 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
701 | } |
|
|
702 | |
|
|
703 | /*****************************************************************************/ |
|
|
704 | |
|
|
705 | #if !_POSIX_MAPPED_FILES |
|
|
706 | # define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () |
|
|
707 | # define munmap(addr,length) EIO_ENOSYS () |
|
|
708 | #endif |
|
|
709 | |
|
|
710 | #if !_POSIX_MEMORY_PROTECTION |
|
|
711 | # define mprotect(addr,len,prot) EIO_ENOSYS () |
|
|
712 | # define PROT_NONE 0 |
|
|
713 | # define PROT_WRITE 0 |
|
|
714 | # define MAP_PRIVATE 0 |
|
|
715 | # define MAP_SHARED 0 |
|
|
716 | # define MAP_FIXED 0 |
|
|
717 | #endif |
|
|
718 | |
|
|
719 | #define MMAP_MAGIC PERL_MAGIC_ext |
|
|
720 | |
|
|
721 | static int ecb_cold |
|
|
722 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
723 | { |
|
|
724 | int old_errno = errno; |
|
|
725 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
726 | errno = old_errno; |
|
|
727 | |
|
|
728 | mg->mg_obj = 0; /* just in case */ |
|
|
729 | |
|
|
730 | SvREADONLY_off (sv); |
|
|
731 | |
|
|
732 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
733 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
734 | |
|
|
735 | SvCUR_set (sv, 0); |
|
|
736 | SvPVX (sv) = 0; |
|
|
737 | SvOK_off (sv); |
|
|
738 | |
|
|
739 | return 0; |
|
|
740 | } |
|
|
741 | |
|
|
742 | static MGVTBL mmap_vtbl = { |
|
|
743 | 0, 0, 0, 0, mmap_free |
|
|
744 | }; |
|
|
745 | |
|
|
746 | /*****************************************************************************/ |
|
|
747 | |
|
|
748 | static SV * |
|
|
749 | get_cb (SV *cb_sv) |
|
|
750 | { |
|
|
751 | SvGETMAGIC (cb_sv); |
|
|
752 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
|
|
753 | } |
|
|
754 | |
|
|
755 | static aio_req ecb_noinline |
|
|
756 | dreq (SV *callback) |
|
|
757 | { |
|
|
758 | SV *cb_cv; |
|
|
759 | aio_req req; |
|
|
760 | int req_pri = next_pri; |
|
|
761 | next_pri = EIO_PRI_DEFAULT; |
|
|
762 | |
|
|
763 | cb_cv = get_cb (callback); |
|
|
764 | |
|
|
765 | req = calloc (sizeof (*req), 1); |
|
|
766 | if (!req) |
|
|
767 | croak ("out of memory during eio_req allocation"); |
|
|
768 | |
|
|
769 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
770 | req->pri = req_pri; |
|
|
771 | |
|
|
772 | return req; |
|
|
773 | } |
|
|
774 | |
|
|
775 | #define dREQ \ |
|
|
776 | aio_req req = dreq (callback); \ |
|
|
777 | |
|
|
778 | #define REQ_SEND \ |
|
|
779 | PUTBACK; \ |
|
|
780 | req_submit (req); \ |
|
|
781 | SPAGAIN; \ |
|
|
782 | \ |
|
|
783 | if (GIMME_V != G_VOID) \ |
|
|
784 | XPUSHs (req_sv (req, aio_req_stash)); |
|
|
785 | |
|
|
786 | ecb_inline void |
|
|
787 | req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
|
|
788 | { |
|
|
789 | if (expect_false (SvROK (path))) |
|
|
790 | { |
|
|
791 | SV *rv = SvRV (path); |
|
|
792 | SV *wdob; |
|
|
793 | |
|
|
794 | if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) |
830 | { |
795 | { |
831 | maybe_start_thread (); |
796 | path = AvARRAY (rv)[1]; |
|
|
797 | wdob = AvARRAY (rv)[0]; |
832 | |
798 | |
833 | X_LOCK (reslock); |
799 | if (SvOK (wdob)) |
834 | req = reqq_shift (&res_queue); |
|
|
835 | |
|
|
836 | if (req) |
|
|
837 | { |
800 | { |
838 | --npending; |
801 | *wd = SvAIO_WD (wdob); |
839 | |
802 | *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
840 | if (!res_queue.size) |
|
|
841 | { |
|
|
842 | /* read any signals sent by the worker threads */ |
|
|
843 | char buf [4]; |
|
|
844 | while (respipe_read (respipe [0], buf, 4) == 4) |
|
|
845 | ; |
|
|
846 | } |
|
|
847 | } |
|
|
848 | |
|
|
849 | X_UNLOCK (reslock); |
|
|
850 | |
|
|
851 | if (!req) |
|
|
852 | break; |
|
|
853 | |
|
|
854 | --nreqs; |
|
|
855 | |
|
|
856 | if (req->type == REQ_GROUP && req->size) |
|
|
857 | { |
|
|
858 | req->int1 = 1; /* mark request as delayed */ |
|
|
859 | continue; |
|
|
860 | } |
803 | } |
861 | else |
804 | else |
862 | { |
805 | *wd = EIO_INVALID_WD; |
863 | if (!req_invoke (req)) |
|
|
864 | { |
|
|
865 | req_destroy (req); |
|
|
866 | unblock_sig (); |
|
|
867 | croak (0); |
|
|
868 | } |
|
|
869 | |
|
|
870 | count++; |
|
|
871 | } |
|
|
872 | |
|
|
873 | req_destroy (req); |
|
|
874 | |
|
|
875 | if (maxreqs && !--maxreqs) |
|
|
876 | break; |
|
|
877 | |
|
|
878 | if (max_poll_time) |
|
|
879 | { |
|
|
880 | gettimeofday (&tv_now, 0); |
|
|
881 | |
|
|
882 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
883 | break; |
|
|
884 | } |
|
|
885 | } |
806 | } |
|
|
807 | else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) |
|
|
808 | { |
|
|
809 | *wd = (aio_wd)(long)SvIVX (rv); |
|
|
810 | *wdsv = SvREFCNT_inc_NN (rv); |
|
|
811 | *ptr = "."; |
|
|
812 | return; /* path set to "." */ |
|
|
813 | } |
|
|
814 | else |
|
|
815 | croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); |
|
|
816 | } |
886 | |
817 | |
887 | if (nreqs <= max_outstanding) |
818 | *pathsv = newSVsv (path); |
|
|
819 | *ptr = SvPVbyte_nolen (*pathsv); |
|
|
820 | } |
|
|
821 | |
|
|
822 | static void ecb_noinline |
|
|
823 | req_set_path1 (aio_req req, SV *path) |
|
|
824 | { |
|
|
825 | req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
|
|
826 | } |
|
|
827 | |
|
|
828 | static void ecb_noinline |
|
|
829 | req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
|
|
830 | { |
|
|
831 | SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
|
|
832 | |
|
|
833 | switch (SvTYPE (rv)) |
|
|
834 | { |
|
|
835 | case SVt_PVIO: |
|
|
836 | case SVt_PVLV: |
|
|
837 | case SVt_PVGV: |
|
|
838 | req->type = type_fh; |
|
|
839 | req->sv1 = newSVsv (fh_or_path); |
|
|
840 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
888 | break; |
841 | break; |
889 | |
842 | |
890 | poll_wait (); |
843 | default: |
891 | |
844 | req->type = type_path; |
892 | ++maxreqs; |
845 | req_set_path1 (req, fh_or_path); |
|
|
846 | break; |
893 | } |
847 | } |
894 | |
|
|
895 | unblock_sig (); |
|
|
896 | return count; |
|
|
897 | } |
848 | } |
898 | |
849 | |
899 | /*****************************************************************************/ |
850 | XS(boot_IO__AIO) ecb_cold; |
900 | /* work around various missing functions */ |
|
|
901 | |
851 | |
902 | #if !HAVE_PREADWRITE |
|
|
903 | # define pread aio_pread |
|
|
904 | # define pwrite aio_pwrite |
|
|
905 | |
|
|
906 | /* |
|
|
907 | * make our pread/pwrite safe against themselves, but not against |
|
|
908 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
909 | * but that's your problem, not mine. |
|
|
910 | */ |
|
|
911 | static mutex_t preadwritelock = X_MUTEX_INIT; |
|
|
912 | |
|
|
913 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
914 | { |
|
|
915 | ssize_t res; |
|
|
916 | off_t ooffset; |
|
|
917 | |
|
|
918 | X_LOCK (preadwritelock); |
|
|
919 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
920 | lseek (fd, offset, SEEK_SET); |
|
|
921 | res = read (fd, buf, count); |
|
|
922 | lseek (fd, ooffset, SEEK_SET); |
|
|
923 | X_UNLOCK (preadwritelock); |
|
|
924 | |
|
|
925 | return res; |
|
|
926 | } |
|
|
927 | |
|
|
928 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
929 | { |
|
|
930 | ssize_t res; |
|
|
931 | off_t ooffset; |
|
|
932 | |
|
|
933 | X_LOCK (preadwritelock); |
|
|
934 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
935 | lseek (fd, offset, SEEK_SET); |
|
|
936 | res = write (fd, buf, count); |
|
|
937 | lseek (fd, offset, SEEK_SET); |
|
|
938 | X_UNLOCK (preadwritelock); |
|
|
939 | |
|
|
940 | return res; |
|
|
941 | } |
|
|
942 | #endif |
|
|
943 | |
|
|
944 | #ifndef HAVE_FUTIMES |
|
|
945 | |
|
|
946 | # define utimes(path,times) aio_utimes (path, times) |
|
|
947 | # define futimes(fd,times) aio_futimes (fd, times) |
|
|
948 | |
|
|
949 | int aio_utimes (const char *filename, const struct timeval times[2]) |
|
|
950 | { |
|
|
951 | if (times) |
|
|
952 | { |
|
|
953 | struct utimbuf buf; |
|
|
954 | |
|
|
955 | buf.actime = times[0].tv_sec; |
|
|
956 | buf.modtime = times[1].tv_sec; |
|
|
957 | |
|
|
958 | return utime (filename, &buf); |
|
|
959 | } |
|
|
960 | else |
|
|
961 | return utime (filename, 0); |
|
|
962 | } |
|
|
963 | |
|
|
964 | int aio_futimes (int fd, const struct timeval tv[2]) |
|
|
965 | { |
|
|
966 | errno = ENOSYS; |
|
|
967 | return -1; |
|
|
968 | } |
|
|
969 | |
|
|
970 | #endif |
|
|
971 | |
|
|
972 | #if !HAVE_FDATASYNC |
|
|
973 | # define fdatasync fsync |
|
|
974 | #endif |
|
|
975 | |
|
|
976 | #if !HAVE_READAHEAD |
|
|
977 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
|
|
978 | |
|
|
979 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
|
|
980 | { |
|
|
981 | size_t todo = count; |
|
|
982 | dBUF; |
|
|
983 | |
|
|
984 | while (todo > 0) |
|
|
985 | { |
|
|
986 | size_t len = todo < AIO_BUFSIZE ? todo : AIO_BUFSIZE; |
|
|
987 | |
|
|
988 | pread (fd, aio_buf, len, offset); |
|
|
989 | offset += len; |
|
|
990 | todo -= len; |
|
|
991 | } |
|
|
992 | |
|
|
993 | errno = 0; |
|
|
994 | return count; |
|
|
995 | } |
|
|
996 | |
|
|
997 | #endif |
|
|
998 | |
|
|
999 | #if !HAVE_READDIR_R |
|
|
1000 | # define readdir_r aio_readdir_r |
|
|
1001 | |
|
|
1002 | static mutex_t readdirlock = X_MUTEX_INIT; |
|
|
1003 | |
|
|
1004 | static int readdir_r (DIR *dirp, X_DIRENT *ent, X_DIRENT **res) |
|
|
1005 | { |
|
|
1006 | X_DIRENT *e; |
|
|
1007 | int errorno; |
|
|
1008 | |
|
|
1009 | X_LOCK (readdirlock); |
|
|
1010 | |
|
|
1011 | e = readdir (dirp); |
|
|
1012 | errorno = errno; |
|
|
1013 | |
|
|
1014 | if (e) |
|
|
1015 | { |
|
|
1016 | *res = ent; |
|
|
1017 | strcpy (ent->d_name, e->d_name); |
|
|
1018 | } |
|
|
1019 | else |
|
|
1020 | *res = 0; |
|
|
1021 | |
|
|
1022 | X_UNLOCK (readdirlock); |
|
|
1023 | |
|
|
1024 | errno = errorno; |
|
|
1025 | return e ? 0 : -1; |
|
|
1026 | } |
|
|
1027 | #endif |
|
|
1028 | |
|
|
1029 | /* sendfile always needs emulation */ |
|
|
1030 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
|
|
1031 | { |
|
|
1032 | ssize_t res; |
|
|
1033 | |
|
|
1034 | if (!count) |
|
|
1035 | return 0; |
|
|
1036 | |
|
|
1037 | #if HAVE_SENDFILE |
|
|
1038 | # if __linux |
|
|
1039 | res = sendfile (ofd, ifd, &offset, count); |
|
|
1040 | |
|
|
1041 | # elif __freebsd |
|
|
1042 | /* |
|
|
1043 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
1044 | * wasted on making it similar to other I/O functions. |
|
|
1045 | */ |
|
|
1046 | { |
|
|
1047 | off_t sbytes; |
|
|
1048 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
1049 | |
|
|
1050 | if (res < 0 && sbytes) |
|
|
1051 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
|
|
1052 | res = sbytes; |
|
|
1053 | } |
|
|
1054 | |
|
|
1055 | # elif __hpux |
|
|
1056 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
1057 | |
|
|
1058 | # elif __solaris |
|
|
1059 | { |
|
|
1060 | struct sendfilevec vec; |
|
|
1061 | size_t sbytes; |
|
|
1062 | |
|
|
1063 | vec.sfv_fd = ifd; |
|
|
1064 | vec.sfv_flag = 0; |
|
|
1065 | vec.sfv_off = offset; |
|
|
1066 | vec.sfv_len = count; |
|
|
1067 | |
|
|
1068 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
1069 | |
|
|
1070 | if (res < 0 && sbytes) |
|
|
1071 | res = sbytes; |
|
|
1072 | } |
|
|
1073 | |
|
|
1074 | # endif |
|
|
1075 | #else |
|
|
1076 | res = -1; |
|
|
1077 | errno = ENOSYS; |
|
|
1078 | #endif |
|
|
1079 | |
|
|
1080 | if (res < 0 |
|
|
1081 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
1082 | #if __solaris |
|
|
1083 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
1084 | #endif |
|
|
1085 | ) |
|
|
1086 | ) |
|
|
1087 | { |
|
|
1088 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
1089 | dBUF; |
|
|
1090 | |
|
|
1091 | res = 0; |
|
|
1092 | |
|
|
1093 | while (count) |
|
|
1094 | { |
|
|
1095 | ssize_t cnt; |
|
|
1096 | |
|
|
1097 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
|
|
1098 | |
|
|
1099 | if (cnt <= 0) |
|
|
1100 | { |
|
|
1101 | if (cnt && !res) res = -1; |
|
|
1102 | break; |
|
|
1103 | } |
|
|
1104 | |
|
|
1105 | cnt = write (ofd, aio_buf, cnt); |
|
|
1106 | |
|
|
1107 | if (cnt <= 0) |
|
|
1108 | { |
|
|
1109 | if (cnt && !res) res = -1; |
|
|
1110 | break; |
|
|
1111 | } |
|
|
1112 | |
|
|
1113 | offset += cnt; |
|
|
1114 | res += cnt; |
|
|
1115 | count -= cnt; |
|
|
1116 | } |
|
|
1117 | } |
|
|
1118 | |
|
|
1119 | return res; |
|
|
1120 | } |
|
|
1121 | |
|
|
1122 | /* read a full directory */ |
|
|
1123 | static void scandir_ (aio_req req, worker *self) |
|
|
1124 | { |
|
|
1125 | DIR *dirp; |
|
|
1126 | union |
|
|
1127 | { |
|
|
1128 | X_DIRENT d; |
|
|
1129 | char b [offsetof (X_DIRENT, d_name) + NAME_MAX + 1]; |
|
|
1130 | } *u; |
|
|
1131 | X_DIRENT *entp; |
|
|
1132 | char *name, *names; |
|
|
1133 | int memlen = 4096; |
|
|
1134 | int memofs = 0; |
|
|
1135 | int res = 0; |
|
|
1136 | |
|
|
1137 | X_LOCK (wrklock); |
|
|
1138 | self->dirp = dirp = opendir (req->ptr1); |
|
|
1139 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1140 | req->flags |= FLAG_PTR2_FREE; |
|
|
1141 | req->ptr2 = names = malloc (memlen); |
|
|
1142 | X_UNLOCK (wrklock); |
|
|
1143 | |
|
|
1144 | if (dirp && u && names) |
|
|
1145 | for (;;) |
|
|
1146 | { |
|
|
1147 | errno = 0; |
|
|
1148 | readdir_r (dirp, &u->d, &entp); |
|
|
1149 | |
|
|
1150 | if (!entp) |
|
|
1151 | break; |
|
|
1152 | |
|
|
1153 | name = entp->d_name; |
|
|
1154 | |
|
|
1155 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
1156 | { |
|
|
1157 | int len = strlen (name) + 1; |
|
|
1158 | |
|
|
1159 | res++; |
|
|
1160 | |
|
|
1161 | while (memofs + len > memlen) |
|
|
1162 | { |
|
|
1163 | memlen *= 2; |
|
|
1164 | X_LOCK (wrklock); |
|
|
1165 | req->ptr2 = names = realloc (names, memlen); |
|
|
1166 | X_UNLOCK (wrklock); |
|
|
1167 | |
|
|
1168 | if (!names) |
|
|
1169 | break; |
|
|
1170 | } |
|
|
1171 | |
|
|
1172 | memcpy (names + memofs, name, len); |
|
|
1173 | memofs += len; |
|
|
1174 | } |
|
|
1175 | } |
|
|
1176 | |
|
|
1177 | if (errno) |
|
|
1178 | res = -1; |
|
|
1179 | |
|
|
1180 | req->result = res; |
|
|
1181 | } |
|
|
1182 | |
|
|
1183 | static int |
|
|
1184 | aio_close (int fd) |
|
|
1185 | { |
|
|
1186 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
1187 | |
|
|
1188 | X_LOCK (wrklock); |
|
|
1189 | |
|
|
1190 | if (close_pipe < 0) |
|
|
1191 | { |
|
|
1192 | int pipefd [2]; |
|
|
1193 | |
|
|
1194 | if (pipe (pipefd) < 0 |
|
|
1195 | || close (pipefd [1]) < 0 |
|
|
1196 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
|
|
1197 | { |
|
|
1198 | X_UNLOCK (wrklock); |
|
|
1199 | return -1; |
|
|
1200 | } |
|
|
1201 | |
|
|
1202 | close_pipe = pipefd [0]; |
|
|
1203 | } |
|
|
1204 | |
|
|
1205 | X_UNLOCK (wrklock); |
|
|
1206 | |
|
|
1207 | return dup2 (close_pipe, fd) < 0 ? -1 : 0; |
|
|
1208 | } |
|
|
1209 | |
|
|
1210 | /*****************************************************************************/ |
|
|
1211 | |
|
|
1212 | X_THREAD_PROC (aio_proc) |
|
|
1213 | { |
|
|
1214 | aio_req req; |
|
|
1215 | struct timespec ts; |
|
|
1216 | worker *self = (worker *)thr_arg; |
|
|
1217 | |
|
|
1218 | /* try to distribute timeouts somewhat randomly */ |
|
|
1219 | ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); |
|
|
1220 | |
|
|
1221 | for (;;) |
|
|
1222 | { |
|
|
1223 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1224 | |
|
|
1225 | X_LOCK (reqlock); |
|
|
1226 | |
|
|
1227 | for (;;) |
|
|
1228 | { |
|
|
1229 | self->req = req = reqq_shift (&req_queue); |
|
|
1230 | |
|
|
1231 | if (req) |
|
|
1232 | break; |
|
|
1233 | |
|
|
1234 | ++idle; |
|
|
1235 | |
|
|
1236 | if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) |
|
|
1237 | == ETIMEDOUT) |
|
|
1238 | { |
|
|
1239 | if (idle > max_idle) |
|
|
1240 | { |
|
|
1241 | --idle; |
|
|
1242 | X_UNLOCK (reqlock); |
|
|
1243 | X_LOCK (wrklock); |
|
|
1244 | --started; |
|
|
1245 | X_UNLOCK (wrklock); |
|
|
1246 | goto quit; |
|
|
1247 | } |
|
|
1248 | |
|
|
1249 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1250 | X_COND_WAIT (reqwait, reqlock); |
|
|
1251 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1252 | } |
|
|
1253 | |
|
|
1254 | --idle; |
|
|
1255 | } |
|
|
1256 | |
|
|
1257 | --nready; |
|
|
1258 | |
|
|
1259 | X_UNLOCK (reqlock); |
|
|
1260 | |
|
|
1261 | errno = 0; /* strictly unnecessary */ |
|
|
1262 | |
|
|
1263 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
1264 | switch (req->type) |
|
|
1265 | { |
|
|
1266 | case REQ_READ: req->result = req->offs >= 0 |
|
|
1267 | ? pread (req->int1, req->ptr1, req->size, req->offs) |
|
|
1268 | : read (req->int1, req->ptr1, req->size); break; |
|
|
1269 | case REQ_WRITE: req->result = req->offs >= 0 |
|
|
1270 | ? pwrite (req->int1, req->ptr1, req->size, req->offs) |
|
|
1271 | : write (req->int1, req->ptr1, req->size); break; |
|
|
1272 | |
|
|
1273 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
|
|
1274 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
|
|
1275 | |
|
|
1276 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1277 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1278 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
|
|
1279 | |
|
|
1280 | case REQ_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
|
|
1281 | case REQ_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
|
|
1282 | case REQ_CHMOD: req->result = chmod (req->ptr1, req->mode); break; |
|
|
1283 | case REQ_FCHMOD: req->result = fchmod (req->int1, req->mode); break; |
|
|
1284 | case REQ_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break; |
|
|
1285 | case REQ_FTRUNCATE: req->result = ftruncate (req->int1, req->offs); break; |
|
|
1286 | |
|
|
1287 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
|
|
1288 | case REQ_CLOSE: req->result = aio_close (req->int1); break; |
|
|
1289 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
|
|
1290 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1291 | case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break; |
|
|
1292 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
|
|
1293 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
|
|
1294 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
|
|
1295 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1296 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
|
|
1297 | |
|
|
1298 | case REQ_SYNC: req->result = 0; sync (); break; |
|
|
1299 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
|
|
1300 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
|
|
1301 | |
|
|
1302 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
1303 | |
|
|
1304 | case REQ_BUSY: |
|
|
1305 | #ifdef _WIN32 |
|
|
1306 | Sleep (req->nv1 * 1000.); |
|
|
1307 | #else |
|
|
1308 | { |
|
|
1309 | struct timeval tv; |
|
|
1310 | |
|
|
1311 | tv.tv_sec = req->nv1; |
|
|
1312 | tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.; |
|
|
1313 | |
|
|
1314 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1315 | } |
|
|
1316 | #endif |
|
|
1317 | break; |
|
|
1318 | |
|
|
1319 | case REQ_UTIME: |
|
|
1320 | case REQ_FUTIME: |
|
|
1321 | { |
|
|
1322 | struct timeval tv[2]; |
|
|
1323 | struct timeval *times; |
|
|
1324 | |
|
|
1325 | if (req->nv1 != -1. || req->nv2 != -1.) |
|
|
1326 | { |
|
|
1327 | tv[0].tv_sec = req->nv1; |
|
|
1328 | tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.; |
|
|
1329 | tv[1].tv_sec = req->nv2; |
|
|
1330 | tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.; |
|
|
1331 | |
|
|
1332 | times = tv; |
|
|
1333 | } |
|
|
1334 | else |
|
|
1335 | times = 0; |
|
|
1336 | |
|
|
1337 | |
|
|
1338 | req->result = req->type == REQ_FUTIME |
|
|
1339 | ? futimes (req->int1, times) |
|
|
1340 | : utimes (req->ptr1, times); |
|
|
1341 | } |
|
|
1342 | |
|
|
1343 | case REQ_GROUP: |
|
|
1344 | case REQ_NOP: |
|
|
1345 | break; |
|
|
1346 | |
|
|
1347 | case REQ_QUIT: |
|
|
1348 | goto quit; |
|
|
1349 | |
|
|
1350 | default: |
|
|
1351 | req->result = -1; |
|
|
1352 | break; |
|
|
1353 | } |
|
|
1354 | |
|
|
1355 | req->errorno = errno; |
|
|
1356 | |
|
|
1357 | X_LOCK (reslock); |
|
|
1358 | |
|
|
1359 | ++npending; |
|
|
1360 | |
|
|
1361 | if (!reqq_push (&res_queue, req)) |
|
|
1362 | { |
|
|
1363 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
1364 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
|
|
1365 | |
|
|
1366 | /* optionally signal the main thread asynchronously */ |
|
|
1367 | if (main_sig) |
|
|
1368 | pthread_kill (main_tid, main_sig); |
|
|
1369 | } |
|
|
1370 | |
|
|
1371 | self->req = 0; |
|
|
1372 | worker_clear (self); |
|
|
1373 | |
|
|
1374 | X_UNLOCK (reslock); |
|
|
1375 | } |
|
|
1376 | |
|
|
1377 | quit: |
|
|
1378 | X_LOCK (wrklock); |
|
|
1379 | worker_free (self); |
|
|
1380 | X_UNLOCK (wrklock); |
|
|
1381 | |
|
|
1382 | return 0; |
|
|
1383 | } |
|
|
1384 | |
|
|
1385 | /*****************************************************************************/ |
|
|
1386 | |
|
|
1387 | static void atfork_prepare (void) |
|
|
1388 | { |
|
|
1389 | X_LOCK (wrklock); |
|
|
1390 | X_LOCK (reqlock); |
|
|
1391 | X_LOCK (reslock); |
|
|
1392 | #if !HAVE_PREADWRITE |
|
|
1393 | X_LOCK (preadwritelock); |
|
|
1394 | #endif |
|
|
1395 | #if !HAVE_READDIR_R |
|
|
1396 | X_LOCK (readdirlock); |
|
|
1397 | #endif |
|
|
1398 | } |
|
|
1399 | |
|
|
1400 | static void atfork_parent (void) |
|
|
1401 | { |
|
|
1402 | #if !HAVE_READDIR_R |
|
|
1403 | X_UNLOCK (readdirlock); |
|
|
1404 | #endif |
|
|
1405 | #if !HAVE_PREADWRITE |
|
|
1406 | X_UNLOCK (preadwritelock); |
|
|
1407 | #endif |
|
|
1408 | X_UNLOCK (reslock); |
|
|
1409 | X_UNLOCK (reqlock); |
|
|
1410 | X_UNLOCK (wrklock); |
|
|
1411 | } |
|
|
1412 | |
|
|
1413 | static void atfork_child (void) |
|
|
1414 | { |
|
|
1415 | aio_req prv; |
|
|
1416 | |
|
|
1417 | while (prv = reqq_shift (&req_queue)) |
|
|
1418 | req_destroy (prv); |
|
|
1419 | |
|
|
1420 | while (prv = reqq_shift (&res_queue)) |
|
|
1421 | req_destroy (prv); |
|
|
1422 | |
|
|
1423 | while (wrk_first.next != &wrk_first) |
|
|
1424 | { |
|
|
1425 | worker *wrk = wrk_first.next; |
|
|
1426 | |
|
|
1427 | if (wrk->req) |
|
|
1428 | req_destroy (wrk->req); |
|
|
1429 | |
|
|
1430 | worker_clear (wrk); |
|
|
1431 | worker_free (wrk); |
|
|
1432 | } |
|
|
1433 | |
|
|
1434 | started = 0; |
|
|
1435 | idle = 0; |
|
|
1436 | nreqs = 0; |
|
|
1437 | nready = 0; |
|
|
1438 | npending = 0; |
|
|
1439 | |
|
|
1440 | create_respipe (); |
|
|
1441 | |
|
|
1442 | atfork_parent (); |
|
|
1443 | } |
|
|
1444 | |
|
|
1445 | #define dREQ \ |
|
|
1446 | aio_req req; \ |
|
|
1447 | int req_pri = next_pri; \ |
|
|
1448 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
|
|
1449 | \ |
|
|
1450 | if (SvOK (callback) && !SvROK (callback)) \ |
|
|
1451 | croak ("callback must be undef or of reference type"); \ |
|
|
1452 | \ |
|
|
1453 | Newz (0, req, 1, aio_cb); \ |
|
|
1454 | if (!req) \ |
|
|
1455 | croak ("out of memory during aio_req allocation"); \ |
|
|
1456 | \ |
|
|
1457 | req->callback = newSVsv (callback); \ |
|
|
1458 | req->pri = req_pri |
|
|
1459 | |
|
|
1460 | #define REQ_SEND \ |
|
|
1461 | req_send (req); \ |
|
|
1462 | \ |
|
|
1463 | if (GIMME_V != G_VOID) \ |
|
|
1464 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
|
|
1465 | |
|
|
1466 | MODULE = IO::AIO PACKAGE = IO::AIO |
852 | MODULE = IO::AIO PACKAGE = IO::AIO |
1467 | |
853 | |
1468 | PROTOTYPES: ENABLE |
854 | PROTOTYPES: ENABLE |
1469 | |
855 | |
1470 | BOOT: |
856 | BOOT: |
1471 | { |
857 | { |
|
|
858 | static const struct { |
|
|
859 | const char *name; |
|
|
860 | IV iv; |
|
|
861 | } *civ, const_iv[] = { |
|
|
862 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
863 | # define const_iv(name) { # name, (IV) name }, |
|
|
864 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
|
|
865 | |
|
|
866 | /* you have to re-run ./gendef0 after adding/Removing any constants here */ |
|
|
867 | |
|
|
868 | const_iv (ENOSYS) |
|
|
869 | const_iv (EXDEV) |
|
|
870 | const_iv (EBADR) |
|
|
871 | |
|
|
872 | const_iv (O_RDONLY) |
|
|
873 | const_iv (O_WRONLY) |
|
|
874 | const_iv (O_RDWR) |
|
|
875 | const_iv (O_CREAT) |
|
|
876 | const_iv (O_TRUNC) |
|
|
877 | const_iv (O_EXCL) |
|
|
878 | const_iv (O_APPEND) |
|
|
879 | |
|
|
880 | const_iv (O_ASYNC) |
|
|
881 | const_iv (O_DIRECT) |
|
|
882 | const_iv (O_NOATIME) |
|
|
883 | |
|
|
884 | const_iv (O_CLOEXEC) |
|
|
885 | const_iv (O_NOCTTY) |
|
|
886 | const_iv (O_NOFOLLOW) |
|
|
887 | const_iv (O_NONBLOCK) |
|
|
888 | const_iv (O_EXEC) |
|
|
889 | const_iv (O_SEARCH) |
|
|
890 | const_iv (O_DIRECTORY) |
|
|
891 | const_iv (O_DSYNC) |
|
|
892 | const_iv (O_RSYNC) |
|
|
893 | const_iv (O_SYNC) |
|
|
894 | const_iv (O_TTY_INIT) |
|
|
895 | |
|
|
896 | const_iv (S_IFIFO) |
|
|
897 | const_iv (S_IFCHR) |
|
|
898 | const_iv (S_IFBLK) |
|
|
899 | const_iv (S_IFLNK) |
|
|
900 | const_iv (S_IFREG) |
|
|
901 | const_iv (S_IFDIR) |
|
|
902 | const_iv (S_IFWHT) |
|
|
903 | const_iv (S_IFSOCK) |
|
|
904 | const_iv (S_IFMT) |
|
|
905 | |
|
|
906 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
907 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
908 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
909 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
910 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
911 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
912 | |
|
|
913 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
914 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
915 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
916 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
917 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
918 | |
|
|
919 | const_iv (ST_RDONLY) |
|
|
920 | const_iv (ST_NOSUID) |
|
|
921 | const_iv (ST_NODEV) |
|
|
922 | const_iv (ST_NOEXEC) |
|
|
923 | const_iv (ST_SYNCHRONOUS) |
|
|
924 | const_iv (ST_MANDLOCK) |
|
|
925 | const_iv (ST_WRITE) |
|
|
926 | const_iv (ST_APPEND) |
|
|
927 | const_iv (ST_IMMUTABLE) |
|
|
928 | const_iv (ST_NOATIME) |
|
|
929 | const_iv (ST_NODIRATIME) |
|
|
930 | const_iv (ST_RELATIME) |
|
|
931 | |
|
|
932 | const_iv (PROT_NONE) |
|
|
933 | const_iv (PROT_EXEC) |
|
|
934 | const_iv (PROT_READ) |
|
|
935 | const_iv (PROT_WRITE) |
|
|
936 | |
|
|
937 | /*const_iv (MAP_FIXED)*/ |
|
|
938 | const_iv (MAP_PRIVATE) |
|
|
939 | const_iv (MAP_SHARED) |
|
|
940 | const_iv (MAP_ANONYMOUS) |
|
|
941 | |
|
|
942 | /* linuxish */ |
|
|
943 | const_iv (MAP_HUGETLB) |
|
|
944 | const_iv (MAP_LOCKED) |
|
|
945 | const_iv (MAP_NORESERVE) |
|
|
946 | const_iv (MAP_POPULATE) |
|
|
947 | const_iv (MAP_NONBLOCK) |
|
|
948 | |
|
|
949 | const_iv (FIEMAP_FLAG_SYNC) |
|
|
950 | const_iv (FIEMAP_FLAG_XATTR) |
|
|
951 | const_iv (FIEMAP_FLAGS_COMPAT) |
|
|
952 | const_iv (FIEMAP_EXTENT_LAST) |
|
|
953 | const_iv (FIEMAP_EXTENT_UNKNOWN) |
|
|
954 | const_iv (FIEMAP_EXTENT_DELALLOC) |
|
|
955 | const_iv (FIEMAP_EXTENT_ENCODED) |
|
|
956 | const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) |
|
|
957 | const_iv (FIEMAP_EXTENT_NOT_ALIGNED) |
|
|
958 | const_iv (FIEMAP_EXTENT_DATA_INLINE) |
|
|
959 | const_iv (FIEMAP_EXTENT_DATA_TAIL) |
|
|
960 | const_iv (FIEMAP_EXTENT_UNWRITTEN) |
|
|
961 | const_iv (FIEMAP_EXTENT_MERGED) |
|
|
962 | const_iv (FIEMAP_EXTENT_SHARED) |
|
|
963 | |
|
|
964 | const_iv (SPLICE_F_MOVE) |
|
|
965 | const_iv (SPLICE_F_NONBLOCK) |
|
|
966 | const_iv (SPLICE_F_MORE) |
|
|
967 | const_iv (SPLICE_F_GIFT) |
|
|
968 | |
|
|
969 | const_iv (SEEK_DATA) |
|
|
970 | const_iv (SEEK_HOLE) |
|
|
971 | |
|
|
972 | /* libeio constants */ |
|
|
973 | const_eio (SEEK_SET) |
|
|
974 | const_eio (SEEK_CUR) |
|
|
975 | const_eio (SEEK_END) |
|
|
976 | |
|
|
977 | const_eio (MCL_FUTURE) |
|
|
978 | const_eio (MCL_CURRENT) |
|
|
979 | |
|
|
980 | const_eio (MS_ASYNC) |
|
|
981 | const_eio (MS_INVALIDATE) |
|
|
982 | const_eio (MS_SYNC) |
|
|
983 | |
|
|
984 | const_eio (MT_MODIFY) |
|
|
985 | |
|
|
986 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
987 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
988 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
989 | |
|
|
990 | const_eio (FALLOC_FL_KEEP_SIZE) |
|
|
991 | const_eio (FALLOC_FL_PUNCH_HOLE) |
|
|
992 | |
|
|
993 | const_eio (READDIR_DENTS) |
|
|
994 | const_eio (READDIR_DIRS_FIRST) |
|
|
995 | const_eio (READDIR_STAT_ORDER) |
|
|
996 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
997 | |
|
|
998 | const_eio (DT_UNKNOWN) |
|
|
999 | const_eio (DT_FIFO) |
|
|
1000 | const_eio (DT_CHR) |
|
|
1001 | const_eio (DT_DIR) |
|
|
1002 | const_eio (DT_BLK) |
|
|
1003 | const_eio (DT_REG) |
|
|
1004 | const_eio (DT_LNK) |
|
|
1005 | const_eio (DT_SOCK) |
|
|
1006 | const_eio (DT_WHT) |
|
|
1007 | }; |
|
|
1008 | |
1472 | stash = gv_stashpv ("IO::AIO", 1); |
1009 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
1010 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
1011 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
|
|
1012 | aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
1473 | |
1013 | |
1474 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1014 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
1475 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1015 | newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
1476 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1477 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1478 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1479 | #ifdef _WIN32 |
|
|
1480 | X_MUTEX_CHECK (wrklock); |
|
|
1481 | X_MUTEX_CHECK (reslock); |
|
|
1482 | X_MUTEX_CHECK (reqlock); |
|
|
1483 | X_MUTEX_CHECK (reqwait); |
|
|
1484 | X_MUTEX_CHECK (preadwritelock); |
|
|
1485 | X_MUTEX_CHECK (readdirlock); |
|
|
1486 | |
1016 | |
1487 | X_COND_CHECK (reqwait); |
1017 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
1488 | #else |
|
|
1489 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1490 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
|
|
1491 | #endif |
|
|
1492 | |
1018 | |
1493 | create_respipe (); |
1019 | reinit (); |
1494 | |
|
|
1495 | X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child); |
|
|
1496 | } |
1020 | } |
1497 | |
1021 | |
1498 | void |
1022 | void |
|
|
1023 | reinit () |
|
|
1024 | PROTOTYPE: |
|
|
1025 | |
|
|
1026 | void |
1499 | max_poll_reqs (int nreqs) |
1027 | max_poll_reqs (unsigned int nreqs) |
1500 | PROTOTYPE: $ |
1028 | PROTOTYPE: $ |
1501 | CODE: |
1029 | CODE: |
1502 | max_poll_reqs = nreqs; |
1030 | eio_set_max_poll_reqs (nreqs); |
1503 | |
1031 | |
1504 | void |
1032 | void |
1505 | max_poll_time (double nseconds) |
1033 | max_poll_time (double nseconds) |
1506 | PROTOTYPE: $ |
1034 | PROTOTYPE: $ |
1507 | CODE: |
1035 | CODE: |
1508 | max_poll_time = nseconds * AIO_TICKS; |
1036 | eio_set_max_poll_time (nseconds); |
1509 | |
1037 | |
1510 | void |
1038 | void |
1511 | min_parallel (int nthreads) |
1039 | min_parallel (unsigned int nthreads) |
1512 | PROTOTYPE: $ |
|
|
1513 | |
|
|
1514 | void |
|
|
1515 | max_parallel (int nthreads) |
|
|
1516 | PROTOTYPE: $ |
|
|
1517 | |
|
|
1518 | void |
|
|
1519 | max_idle (int nthreads) |
|
|
1520 | PROTOTYPE: $ |
1040 | PROTOTYPE: $ |
1521 | CODE: |
1041 | CODE: |
1522 | set_max_idle (nthreads); |
1042 | eio_set_min_parallel (nthreads); |
1523 | |
1043 | |
1524 | int |
1044 | void |
1525 | max_outstanding (int maxreqs) |
1045 | max_parallel (unsigned int nthreads) |
1526 | PROTOTYPE: $ |
1046 | PROTOTYPE: $ |
1527 | CODE: |
1047 | CODE: |
1528 | RETVAL = max_outstanding; |
1048 | eio_set_max_parallel (nthreads); |
|
|
1049 | |
|
|
1050 | void |
|
|
1051 | max_idle (unsigned int nthreads) |
|
|
1052 | PROTOTYPE: $ |
|
|
1053 | CODE: |
|
|
1054 | eio_set_max_idle (nthreads); |
|
|
1055 | |
|
|
1056 | void |
|
|
1057 | idle_timeout (unsigned int seconds) |
|
|
1058 | PROTOTYPE: $ |
|
|
1059 | CODE: |
|
|
1060 | eio_set_idle_timeout (seconds); |
|
|
1061 | |
|
|
1062 | void |
|
|
1063 | max_outstanding (unsigned int maxreqs) |
|
|
1064 | PROTOTYPE: $ |
|
|
1065 | CODE: |
1529 | max_outstanding = maxreqs; |
1066 | max_outstanding = maxreqs; |
1530 | OUTPUT: |
1067 | |
1531 | RETVAL |
1068 | void |
|
|
1069 | aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) |
|
|
1070 | PPCODE: |
|
|
1071 | { |
|
|
1072 | dREQ; |
|
|
1073 | |
|
|
1074 | req->type = EIO_WD_OPEN; |
|
|
1075 | req_set_path1 (req, pathname); |
|
|
1076 | |
|
|
1077 | REQ_SEND; |
|
|
1078 | } |
1532 | |
1079 | |
1533 | void |
1080 | void |
1534 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1081 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1535 | PROTOTYPE: $$$;$ |
|
|
1536 | PPCODE: |
1082 | PPCODE: |
1537 | { |
1083 | { |
1538 | dREQ; |
1084 | dREQ; |
1539 | |
1085 | |
1540 | req->type = REQ_OPEN; |
1086 | req->type = EIO_OPEN; |
1541 | req->sv1 = newSVsv (pathname); |
1087 | req_set_path1 (req, pathname); |
1542 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1543 | req->int1 = flags; |
1088 | req->int1 = flags; |
1544 | req->mode = mode; |
1089 | req->int2 = mode; |
1545 | |
1090 | |
1546 | REQ_SEND; |
1091 | REQ_SEND; |
1547 | } |
1092 | } |
1548 | |
1093 | |
1549 | void |
1094 | void |
1550 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1095 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1551 | PROTOTYPE: $;$ |
|
|
1552 | ALIAS: |
1096 | ALIAS: |
1553 | aio_fsync = REQ_FSYNC |
1097 | aio_fsync = EIO_FSYNC |
1554 | aio_fdatasync = REQ_FDATASYNC |
1098 | aio_fdatasync = EIO_FDATASYNC |
|
|
1099 | aio_syncfs = EIO_SYNCFS |
1555 | PPCODE: |
1100 | PPCODE: |
1556 | { |
1101 | { |
|
|
1102 | int fd = s_fileno_croak (fh, 0); |
1557 | dREQ; |
1103 | dREQ; |
1558 | |
1104 | |
1559 | req->type = ix; |
1105 | req->type = ix; |
1560 | req->sv1 = newSVsv (fh); |
1106 | req->sv1 = newSVsv (fh); |
1561 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1107 | req->int1 = fd; |
1562 | |
1108 | |
1563 | REQ_SEND (req); |
1109 | REQ_SEND; |
|
|
1110 | } |
|
|
1111 | |
|
|
1112 | void |
|
|
1113 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
|
|
1114 | PPCODE: |
|
|
1115 | { |
|
|
1116 | int fd = s_fileno_croak (fh, 0); |
|
|
1117 | dREQ; |
|
|
1118 | |
|
|
1119 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
1120 | req->sv1 = newSVsv (fh); |
|
|
1121 | req->int1 = fd; |
|
|
1122 | req->offs = offset; |
|
|
1123 | req->size = nbytes; |
|
|
1124 | req->int2 = flags; |
|
|
1125 | |
|
|
1126 | REQ_SEND; |
|
|
1127 | } |
|
|
1128 | |
|
|
1129 | void |
|
|
1130 | aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) |
|
|
1131 | PPCODE: |
|
|
1132 | { |
|
|
1133 | int fd = s_fileno_croak (fh, 0); |
|
|
1134 | dREQ; |
|
|
1135 | |
|
|
1136 | req->type = EIO_FALLOCATE; |
|
|
1137 | req->sv1 = newSVsv (fh); |
|
|
1138 | req->int1 = fd; |
|
|
1139 | req->int2 = mode; |
|
|
1140 | req->offs = offset; |
|
|
1141 | req->size = len; |
|
|
1142 | |
|
|
1143 | REQ_SEND; |
1564 | } |
1144 | } |
1565 | |
1145 | |
1566 | void |
1146 | void |
1567 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
1147 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
1568 | PROTOTYPE: $;$ |
|
|
1569 | PPCODE: |
1148 | PPCODE: |
1570 | { |
1149 | { |
|
|
1150 | static int close_fd = -1; /* dummy fd to close fds via dup2 */ |
|
|
1151 | int fd = s_fileno_croak (fh, 0); |
1571 | dREQ; |
1152 | dREQ; |
1572 | |
1153 | |
|
|
1154 | if (expect_false (close_fd < 0)) |
|
|
1155 | { |
|
|
1156 | int pipefd [2]; |
|
|
1157 | |
|
|
1158 | if ( |
|
|
1159 | #ifdef _WIN32 |
|
|
1160 | _pipe (pipefd, 1, _O_BINARY) < 0 |
|
|
1161 | #else |
|
|
1162 | pipe (pipefd) < 0 |
|
|
1163 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
|
|
1164 | #endif |
|
|
1165 | || close (pipefd [1]) < 0 |
|
|
1166 | ) |
|
|
1167 | abort (); /*D*/ |
|
|
1168 | |
|
|
1169 | close_fd = pipefd [0]; |
|
|
1170 | } |
|
|
1171 | |
1573 | req->type = REQ_CLOSE; |
1172 | req->type = EIO_DUP2; |
1574 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1173 | req->int1 = close_fd; |
|
|
1174 | req->sv2 = newSVsv (fh); |
|
|
1175 | req->int2 = fd; |
1575 | |
1176 | |
1576 | REQ_SEND (req); |
1177 | REQ_SEND; |
|
|
1178 | } |
|
|
1179 | |
|
|
1180 | void |
|
|
1181 | aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef) |
|
|
1182 | PPCODE: |
|
|
1183 | { |
|
|
1184 | int fd = s_fileno_croak (fh, 0); |
|
|
1185 | dREQ; |
|
|
1186 | |
|
|
1187 | req->type = EIO_SEEK; |
|
|
1188 | req->sv1 = newSVsv (fh); |
|
|
1189 | req->int1 = fd; |
|
|
1190 | req->offs = SvVAL64 (offset); |
|
|
1191 | req->int2 = whence; |
|
|
1192 | |
|
|
1193 | REQ_SEND; |
1577 | } |
1194 | } |
1578 | |
1195 | |
1579 | void |
1196 | void |
1580 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1197 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1581 | ALIAS: |
1198 | ALIAS: |
1582 | aio_read = REQ_READ |
1199 | aio_read = EIO_READ |
1583 | aio_write = REQ_WRITE |
1200 | aio_write = EIO_WRITE |
1584 | PROTOTYPE: $$$$$;$ |
|
|
1585 | PPCODE: |
1201 | PPCODE: |
1586 | { |
1202 | { |
1587 | STRLEN svlen; |
1203 | STRLEN svlen; |
|
|
1204 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1588 | char *svptr = SvPVbyte (data, svlen); |
1205 | char *svptr = SvPVbyte (data, svlen); |
1589 | UV len = SvUV (length); |
1206 | UV len = SvUV (length); |
1590 | |
1207 | |
1591 | SvUPGRADE (data, SVt_PV); |
|
|
1592 | SvPOK_on (data); |
|
|
1593 | |
|
|
1594 | if (dataoffset < 0) |
1208 | if (dataoffset < 0) |
1595 | dataoffset += svlen; |
1209 | dataoffset += svlen; |
1596 | |
1210 | |
1597 | if (dataoffset < 0 || dataoffset > svlen) |
1211 | if (dataoffset < 0 || dataoffset > svlen) |
1598 | croak ("dataoffset outside of data scalar"); |
1212 | croak ("dataoffset outside of data scalar"); |
1599 | |
1213 | |
1600 | if (ix == REQ_WRITE) |
1214 | if (ix == EIO_WRITE) |
1601 | { |
1215 | { |
1602 | /* write: check length and adjust. */ |
1216 | /* write: check length and adjust. */ |
1603 | if (!SvOK (length) || len + dataoffset > svlen) |
1217 | if (!SvOK (length) || len + dataoffset > svlen) |
1604 | len = svlen - dataoffset; |
1218 | len = svlen - dataoffset; |
1605 | } |
1219 | } |
1606 | else |
1220 | else |
1607 | { |
1221 | { |
1608 | /* read: grow scalar as necessary */ |
1222 | /* read: check type and grow scalar as necessary */ |
|
|
1223 | SvUPGRADE (data, SVt_PV); |
|
|
1224 | if (SvLEN (data) >= SvCUR (data)) |
1609 | svptr = SvGROW (data, len + dataoffset + 1); |
1225 | svptr = SvGROW (data, len + dataoffset + 1); |
|
|
1226 | else if (SvCUR (data) < len + dataoffset) |
|
|
1227 | croak ("length + dataoffset outside of scalar, and cannot grow"); |
1610 | } |
1228 | } |
1611 | |
|
|
1612 | if (len < 0) |
|
|
1613 | croak ("length must not be negative"); |
|
|
1614 | |
1229 | |
1615 | { |
1230 | { |
1616 | dREQ; |
1231 | dREQ; |
1617 | |
1232 | |
1618 | req->type = ix; |
1233 | req->type = ix; |
1619 | req->sv1 = newSVsv (fh); |
1234 | req->sv1 = newSVsv (fh); |
1620 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1235 | req->int1 = fd; |
1621 | : IoOFP (sv_2io (fh))); |
|
|
1622 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1236 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1623 | req->size = len; |
1237 | req->size = len; |
1624 | req->sv2 = SvREFCNT_inc (data); |
1238 | req->sv2 = SvREFCNT_inc (data); |
1625 | req->ptr1 = (char *)svptr + dataoffset; |
1239 | req->ptr2 = (char *)svptr + dataoffset; |
1626 | req->stroffset = dataoffset; |
1240 | req->stroffset = dataoffset; |
1627 | |
1241 | |
1628 | if (!SvREADONLY (data)) |
1242 | if (!SvREADONLY (data)) |
1629 | { |
1243 | { |
1630 | SvREADONLY_on (data); |
1244 | SvREADONLY_on (data); |
… | |
… | |
1634 | REQ_SEND; |
1248 | REQ_SEND; |
1635 | } |
1249 | } |
1636 | } |
1250 | } |
1637 | |
1251 | |
1638 | void |
1252 | void |
1639 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
1253 | aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1640 | PROTOTYPE: $$;$ |
1254 | ALIAS: |
|
|
1255 | aio_readlink = EIO_READLINK |
|
|
1256 | aio_realpath = EIO_REALPATH |
1641 | PPCODE: |
1257 | PPCODE: |
1642 | { |
1258 | { |
1643 | SV *data; |
|
|
1644 | dREQ; |
1259 | dREQ; |
1645 | |
1260 | |
1646 | data = newSV (NAME_MAX); |
|
|
1647 | SvPOK_on (data); |
|
|
1648 | |
|
|
1649 | req->type = REQ_READLINK; |
1261 | req->type = ix; |
1650 | req->sv1 = newSVsv (path); |
1262 | req_set_path1 (req, pathname); |
1651 | req->ptr2 = SvPVbyte_nolen (req->sv1); |
|
|
1652 | req->sv2 = data; |
|
|
1653 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1654 | |
1263 | |
1655 | REQ_SEND; |
1264 | REQ_SEND; |
1656 | } |
1265 | } |
1657 | |
1266 | |
1658 | void |
1267 | void |
1659 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
1268 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
1660 | PROTOTYPE: $$$$;$ |
|
|
1661 | PPCODE: |
1269 | PPCODE: |
1662 | { |
1270 | { |
|
|
1271 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
1272 | int ofd = s_fileno_croak (out_fh, 1); |
1663 | dREQ; |
1273 | dREQ; |
1664 | |
1274 | |
1665 | req->type = REQ_SENDFILE; |
1275 | req->type = EIO_SENDFILE; |
1666 | req->sv1 = newSVsv (out_fh); |
1276 | req->sv1 = newSVsv (out_fh); |
1667 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1277 | req->int1 = ofd; |
1668 | req->sv2 = newSVsv (in_fh); |
1278 | req->sv2 = newSVsv (in_fh); |
1669 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1279 | req->int2 = ifd; |
1670 | req->offs = SvVAL64 (in_offset); |
1280 | req->offs = in_offset; |
1671 | req->size = length; |
1281 | req->size = length; |
1672 | |
1282 | |
1673 | REQ_SEND; |
1283 | REQ_SEND; |
1674 | } |
1284 | } |
1675 | |
1285 | |
1676 | void |
1286 | void |
1677 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
1287 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1678 | PROTOTYPE: $$$;$ |
|
|
1679 | PPCODE: |
1288 | PPCODE: |
1680 | { |
1289 | { |
|
|
1290 | int fd = s_fileno_croak (fh, 0); |
1681 | dREQ; |
1291 | dREQ; |
1682 | |
1292 | |
1683 | req->type = REQ_READAHEAD; |
1293 | req->type = EIO_READAHEAD; |
1684 | req->sv1 = newSVsv (fh); |
1294 | req->sv1 = newSVsv (fh); |
1685 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1295 | req->int1 = fd; |
1686 | req->offs = SvVAL64 (offset); |
1296 | req->offs = offset; |
1687 | req->size = length; |
1297 | req->size = length; |
1688 | |
1298 | |
1689 | REQ_SEND; |
1299 | REQ_SEND; |
1690 | } |
1300 | } |
1691 | |
1301 | |
1692 | void |
1302 | void |
1693 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1303 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1694 | ALIAS: |
1304 | ALIAS: |
1695 | aio_stat = REQ_STAT |
1305 | aio_stat = EIO_STAT |
1696 | aio_lstat = REQ_LSTAT |
1306 | aio_lstat = EIO_LSTAT |
|
|
1307 | aio_statvfs = EIO_STATVFS |
1697 | PPCODE: |
1308 | PPCODE: |
1698 | { |
1309 | { |
1699 | dREQ; |
1310 | dREQ; |
1700 | |
1311 | |
1701 | req->ptr2 = malloc (sizeof (Stat_t)); |
1312 | req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
1702 | if (!req->ptr2) |
|
|
1703 | { |
|
|
1704 | req_destroy (req); |
|
|
1705 | croak ("out of memory during aio_stat statdata allocation"); |
|
|
1706 | } |
|
|
1707 | |
|
|
1708 | req->flags |= FLAG_PTR2_FREE; |
|
|
1709 | req->sv1 = newSVsv (fh_or_path); |
|
|
1710 | |
|
|
1711 | if (SvPOK (fh_or_path)) |
|
|
1712 | { |
|
|
1713 | req->type = ix; |
|
|
1714 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1715 | } |
|
|
1716 | else |
|
|
1717 | { |
|
|
1718 | req->type = REQ_FSTAT; |
|
|
1719 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1720 | } |
|
|
1721 | |
1313 | |
1722 | REQ_SEND; |
1314 | REQ_SEND; |
1723 | } |
1315 | } |
|
|
1316 | |
|
|
1317 | UV |
|
|
1318 | major (UV dev) |
|
|
1319 | ALIAS: |
|
|
1320 | minor = 1 |
|
|
1321 | CODE: |
|
|
1322 | RETVAL = ix ? major (dev) : minor (dev); |
|
|
1323 | OUTPUT: |
|
|
1324 | RETVAL |
|
|
1325 | |
|
|
1326 | UV |
|
|
1327 | makedev (UV maj, UV min) |
|
|
1328 | CODE: |
|
|
1329 | RETVAL = makedev (maj, min); |
|
|
1330 | OUTPUT: |
|
|
1331 | RETVAL |
1724 | |
1332 | |
1725 | void |
1333 | void |
1726 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
1334 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
1727 | PPCODE: |
1335 | PPCODE: |
1728 | { |
1336 | { |
1729 | dREQ; |
1337 | dREQ; |
1730 | |
1338 | |
1731 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
1339 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
1732 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
1340 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
1733 | req->sv1 = newSVsv (fh_or_path); |
1341 | req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
1734 | |
|
|
1735 | if (SvPOK (fh_or_path)) |
|
|
1736 | { |
|
|
1737 | req->type = REQ_UTIME; |
|
|
1738 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1739 | } |
|
|
1740 | else |
|
|
1741 | { |
|
|
1742 | req->type = REQ_FUTIME; |
|
|
1743 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1744 | } |
|
|
1745 | |
1342 | |
1746 | REQ_SEND; |
1343 | REQ_SEND; |
1747 | } |
1344 | } |
1748 | |
1345 | |
1749 | void |
1346 | void |
1750 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
1347 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
1751 | PPCODE: |
1348 | PPCODE: |
1752 | { |
1349 | { |
1753 | dREQ; |
1350 | dREQ; |
1754 | |
1351 | |
1755 | req->sv1 = newSVsv (fh_or_path); |
|
|
1756 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1352 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1757 | |
1353 | req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
1758 | if (SvPOK (fh_or_path)) |
|
|
1759 | { |
|
|
1760 | req->type = REQ_TRUNCATE; |
|
|
1761 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1762 | } |
|
|
1763 | else |
|
|
1764 | { |
|
|
1765 | req->type = REQ_FTRUNCATE; |
|
|
1766 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1767 | } |
|
|
1768 | |
1354 | |
1769 | REQ_SEND; |
1355 | REQ_SEND; |
1770 | } |
1356 | } |
1771 | |
1357 | |
1772 | void |
1358 | void |
1773 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
1359 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
1774 | PPCODE: |
1360 | PPCODE: |
1775 | { |
1361 | { |
1776 | dREQ; |
1362 | dREQ; |
1777 | |
1363 | |
1778 | req->mode = mode; |
1364 | req->int2 = mode; |
1779 | req->sv1 = newSVsv (fh_or_path); |
1365 | req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
1780 | |
|
|
1781 | if (SvPOK (fh_or_path)) |
|
|
1782 | { |
|
|
1783 | req->type = REQ_CHMOD; |
|
|
1784 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1785 | } |
|
|
1786 | else |
|
|
1787 | { |
|
|
1788 | req->type = REQ_FCHMOD; |
|
|
1789 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1790 | } |
|
|
1791 | |
1366 | |
1792 | REQ_SEND; |
1367 | REQ_SEND; |
1793 | } |
1368 | } |
1794 | |
1369 | |
1795 | void |
1370 | void |
… | |
… | |
1798 | { |
1373 | { |
1799 | dREQ; |
1374 | dREQ; |
1800 | |
1375 | |
1801 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
1376 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
1802 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
1377 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
1803 | req->sv1 = newSVsv (fh_or_path); |
1378 | req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
1804 | |
1379 | |
1805 | if (SvPOK (fh_or_path)) |
1380 | REQ_SEND; |
1806 | { |
1381 | } |
1807 | req->type = REQ_CHOWN; |
1382 | |
1808 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1383 | void |
1809 | } |
1384 | aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
1810 | else |
1385 | PPCODE: |
1811 | { |
1386 | { |
1812 | req->type = REQ_FCHOWN; |
1387 | dREQ; |
1813 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1388 | |
1814 | } |
1389 | req->type = EIO_READDIR; |
|
|
1390 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1391 | |
|
|
1392 | if (flags & EIO_READDIR_DENTS) |
|
|
1393 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1394 | |
|
|
1395 | req_set_path1 (req, pathname); |
|
|
1396 | |
|
|
1397 | REQ_SEND; |
|
|
1398 | } |
|
|
1399 | |
|
|
1400 | void |
|
|
1401 | aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
|
|
1402 | PPCODE: |
|
|
1403 | { |
|
|
1404 | dREQ; |
|
|
1405 | |
|
|
1406 | req->type = EIO_MKDIR; |
|
|
1407 | req->int2 = mode; |
|
|
1408 | req_set_path1 (req, pathname); |
1815 | |
1409 | |
1816 | REQ_SEND; |
1410 | REQ_SEND; |
1817 | } |
1411 | } |
1818 | |
1412 | |
1819 | void |
1413 | void |
1820 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1414 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1821 | ALIAS: |
1415 | ALIAS: |
1822 | aio_unlink = REQ_UNLINK |
1416 | aio_unlink = EIO_UNLINK |
1823 | aio_rmdir = REQ_RMDIR |
1417 | aio_rmdir = EIO_RMDIR |
1824 | aio_readdir = REQ_READDIR |
1418 | aio_readdir = EIO_READDIR |
1825 | PPCODE: |
1419 | PPCODE: |
1826 | { |
1420 | { |
1827 | dREQ; |
1421 | dREQ; |
1828 | |
1422 | |
1829 | req->type = ix; |
1423 | req->type = ix; |
1830 | req->sv1 = newSVsv (pathname); |
1424 | req_set_path1 (req, pathname); |
1831 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1832 | |
|
|
1833 | REQ_SEND; |
|
|
1834 | } |
|
|
1835 | |
|
|
1836 | void |
|
|
1837 | aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
|
|
1838 | PPCODE: |
|
|
1839 | { |
|
|
1840 | dREQ; |
|
|
1841 | |
|
|
1842 | req->type = REQ_MKDIR; |
|
|
1843 | req->sv1 = newSVsv (pathname); |
|
|
1844 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1845 | req->mode = mode; |
|
|
1846 | |
1425 | |
1847 | REQ_SEND; |
1426 | REQ_SEND; |
1848 | } |
1427 | } |
1849 | |
1428 | |
1850 | void |
1429 | void |
1851 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1430 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1852 | ALIAS: |
1431 | ALIAS: |
1853 | aio_link = REQ_LINK |
1432 | aio_link = EIO_LINK |
1854 | aio_symlink = REQ_SYMLINK |
1433 | aio_symlink = EIO_SYMLINK |
1855 | aio_rename = REQ_RENAME |
1434 | aio_rename = EIO_RENAME |
1856 | PPCODE: |
1435 | PPCODE: |
1857 | { |
1436 | { |
|
|
1437 | eio_wd wd2 = 0; |
1858 | dREQ; |
1438 | dREQ; |
1859 | |
1439 | |
1860 | req->type = ix; |
1440 | req->type = ix; |
1861 | req->sv2 = newSVsv (oldpath); |
1441 | req_set_path1 (req, oldpath); |
1862 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
1442 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
1863 | req->sv1 = newSVsv (newpath); |
1443 | req->int3 = (long)wd2; |
1864 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1865 | |
1444 | |
1866 | REQ_SEND; |
1445 | REQ_SEND; |
1867 | } |
1446 | } |
1868 | |
1447 | |
1869 | void |
1448 | void |
1870 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1449 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1871 | PPCODE: |
1450 | PPCODE: |
1872 | { |
1451 | { |
1873 | dREQ; |
1452 | dREQ; |
1874 | |
1453 | |
1875 | req->type = REQ_MKNOD; |
1454 | req->type = EIO_MKNOD; |
1876 | req->sv1 = newSVsv (pathname); |
|
|
1877 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1878 | req->mode = (mode_t)mode; |
1455 | req->int2 = (mode_t)mode; |
1879 | req->offs = dev; |
1456 | req->offs = dev; |
|
|
1457 | req_set_path1 (req, pathname); |
1880 | |
1458 | |
1881 | REQ_SEND; |
1459 | REQ_SEND; |
1882 | } |
1460 | } |
1883 | |
1461 | |
1884 | void |
1462 | void |
|
|
1463 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
|
|
1464 | ALIAS: |
|
|
1465 | aio_mtouch = EIO_MTOUCH |
|
|
1466 | aio_msync = EIO_MSYNC |
|
|
1467 | PPCODE: |
|
|
1468 | { |
|
|
1469 | STRLEN svlen; |
|
|
1470 | char *svptr = SvPVbyte (data, svlen); |
|
|
1471 | UV len = SvUV (length); |
|
|
1472 | |
|
|
1473 | if (offset < 0) |
|
|
1474 | offset += svlen; |
|
|
1475 | |
|
|
1476 | if (offset < 0 || offset > svlen) |
|
|
1477 | croak ("offset outside of scalar"); |
|
|
1478 | |
|
|
1479 | if (!SvOK (length) || len + offset > svlen) |
|
|
1480 | len = svlen - offset; |
|
|
1481 | |
|
|
1482 | { |
|
|
1483 | dREQ; |
|
|
1484 | |
|
|
1485 | req->type = ix; |
|
|
1486 | req->sv2 = SvREFCNT_inc (data); |
|
|
1487 | req->ptr2 = (char *)svptr + offset; |
|
|
1488 | req->size = len; |
|
|
1489 | req->int1 = flags; |
|
|
1490 | |
|
|
1491 | REQ_SEND; |
|
|
1492 | } |
|
|
1493 | } |
|
|
1494 | |
|
|
1495 | void |
|
|
1496 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) |
|
|
1497 | PPCODE: |
|
|
1498 | { |
|
|
1499 | STRLEN svlen; |
|
|
1500 | char *svptr = SvPVbyte (data, svlen); |
|
|
1501 | UV len = SvUV (length); |
|
|
1502 | |
|
|
1503 | if (offset < 0) |
|
|
1504 | offset += svlen; |
|
|
1505 | |
|
|
1506 | if (offset < 0 || offset > svlen) |
|
|
1507 | croak ("offset outside of scalar"); |
|
|
1508 | |
|
|
1509 | if (!SvOK (length) || len + offset > svlen) |
|
|
1510 | len = svlen - offset; |
|
|
1511 | |
|
|
1512 | { |
|
|
1513 | dREQ; |
|
|
1514 | |
|
|
1515 | req->type = EIO_MLOCK; |
|
|
1516 | req->sv2 = SvREFCNT_inc (data); |
|
|
1517 | req->ptr2 = (char *)svptr + offset; |
|
|
1518 | req->size = len; |
|
|
1519 | |
|
|
1520 | REQ_SEND; |
|
|
1521 | } |
|
|
1522 | } |
|
|
1523 | |
|
|
1524 | void |
|
|
1525 | aio_mlockall (IV flags, SV *callback=&PL_sv_undef) |
|
|
1526 | PPCODE: |
|
|
1527 | { |
|
|
1528 | dREQ; |
|
|
1529 | |
|
|
1530 | req->type = EIO_MLOCKALL; |
|
|
1531 | req->int1 = flags; |
|
|
1532 | |
|
|
1533 | REQ_SEND; |
|
|
1534 | } |
|
|
1535 | |
|
|
1536 | void |
|
|
1537 | aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef) |
|
|
1538 | PPCODE: |
|
|
1539 | { |
|
|
1540 | int fd = s_fileno_croak (fh, 0); |
|
|
1541 | dREQ; |
|
|
1542 | |
|
|
1543 | req->type = EIO_CUSTOM; |
|
|
1544 | req->sv1 = newSVsv (fh); |
|
|
1545 | req->int1 = fd; |
|
|
1546 | |
|
|
1547 | req->feed = fiemap; |
|
|
1548 | #if HAVE_FIEMAP |
|
|
1549 | /* keep our fingers crossed that the next two types are 64 bit */ |
|
|
1550 | req->offs = start; |
|
|
1551 | req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
|
|
1552 | req->int2 = flags; |
|
|
1553 | req->int3 = SvOK (count) ? SvIV (count) : -1; |
|
|
1554 | #endif |
|
|
1555 | |
|
|
1556 | REQ_SEND; |
|
|
1557 | } |
|
|
1558 | |
|
|
1559 | void |
1885 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1560 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1886 | PPCODE: |
1561 | PPCODE: |
1887 | { |
1562 | { |
1888 | dREQ; |
1563 | dREQ; |
1889 | |
1564 | |
1890 | req->type = REQ_BUSY; |
1565 | req->type = EIO_BUSY; |
1891 | req->nv1 = delay < 0. ? 0. : delay; |
1566 | req->nv1 = delay < 0. ? 0. : delay; |
1892 | |
1567 | |
1893 | REQ_SEND; |
1568 | REQ_SEND; |
1894 | } |
1569 | } |
1895 | |
1570 | |
1896 | void |
1571 | void |
1897 | aio_group (SV *callback=&PL_sv_undef) |
1572 | aio_group (SV *callback=&PL_sv_undef) |
1898 | PROTOTYPE: ;$ |
|
|
1899 | PPCODE: |
1573 | PPCODE: |
1900 | { |
1574 | { |
1901 | dREQ; |
1575 | dREQ; |
1902 | |
1576 | |
1903 | req->type = REQ_GROUP; |
1577 | req->type = EIO_GROUP; |
1904 | |
1578 | |
1905 | req_send (req); |
1579 | req_submit (req); |
1906 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1580 | XPUSHs (req_sv (req, aio_grp_stash)); |
1907 | } |
1581 | } |
1908 | |
1582 | |
1909 | void |
1583 | void |
1910 | aio_nop (SV *callback=&PL_sv_undef) |
1584 | aio_nop (SV *callback=&PL_sv_undef) |
1911 | ALIAS: |
1585 | ALIAS: |
1912 | aio_nop = REQ_NOP |
1586 | aio_nop = EIO_NOP |
1913 | aio_sync = REQ_SYNC |
1587 | aio_sync = EIO_SYNC |
1914 | PPCODE: |
1588 | PPCODE: |
1915 | { |
1589 | { |
1916 | dREQ; |
1590 | dREQ; |
1917 | |
1591 | |
1918 | req->type = ix; |
1592 | req->type = ix; |
… | |
… | |
1920 | REQ_SEND; |
1594 | REQ_SEND; |
1921 | } |
1595 | } |
1922 | |
1596 | |
1923 | int |
1597 | int |
1924 | aioreq_pri (int pri = 0) |
1598 | aioreq_pri (int pri = 0) |
1925 | PROTOTYPE: ;$ |
|
|
1926 | CODE: |
1599 | CODE: |
1927 | RETVAL = next_pri - PRI_BIAS; |
1600 | RETVAL = next_pri; |
1928 | if (items > 0) |
1601 | if (items > 0) |
1929 | { |
1602 | { |
1930 | if (pri < PRI_MIN) pri = PRI_MIN; |
1603 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1931 | if (pri > PRI_MAX) pri = PRI_MAX; |
1604 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1932 | next_pri = pri + PRI_BIAS; |
1605 | next_pri = pri; |
1933 | } |
1606 | } |
1934 | OUTPUT: |
1607 | OUTPUT: |
1935 | RETVAL |
1608 | RETVAL |
1936 | |
1609 | |
1937 | void |
1610 | void |
1938 | aioreq_nice (int nice = 0) |
1611 | aioreq_nice (int nice = 0) |
1939 | CODE: |
1612 | CODE: |
1940 | nice = next_pri - nice; |
1613 | nice = next_pri - nice; |
1941 | if (nice < PRI_MIN) nice = PRI_MIN; |
1614 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1942 | if (nice > PRI_MAX) nice = PRI_MAX; |
1615 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1943 | next_pri = nice + PRI_BIAS; |
1616 | next_pri = nice; |
1944 | |
1617 | |
1945 | void |
1618 | void |
1946 | flush () |
1619 | flush () |
1947 | PROTOTYPE: |
|
|
1948 | CODE: |
1620 | CODE: |
1949 | while (nreqs) |
1621 | while (eio_nreqs ()) |
1950 | { |
1622 | { |
1951 | poll_wait (); |
1623 | poll_wait (); |
1952 | poll_cb (); |
1624 | poll_cb (); |
1953 | } |
1625 | } |
1954 | |
1626 | |
1955 | int |
1627 | int |
1956 | poll() |
1628 | poll () |
1957 | PROTOTYPE: |
|
|
1958 | CODE: |
1629 | CODE: |
1959 | poll_wait (); |
1630 | poll_wait (); |
1960 | RETVAL = poll_cb (); |
1631 | RETVAL = poll_cb (); |
1961 | OUTPUT: |
1632 | OUTPUT: |
1962 | RETVAL |
1633 | RETVAL |
1963 | |
1634 | |
1964 | int |
1635 | int |
1965 | poll_fileno() |
1636 | poll_fileno () |
1966 | PROTOTYPE: |
|
|
1967 | CODE: |
1637 | CODE: |
1968 | RETVAL = respipe [0]; |
1638 | RETVAL = s_epipe_fd (&respipe); |
1969 | OUTPUT: |
1639 | OUTPUT: |
1970 | RETVAL |
1640 | RETVAL |
1971 | |
1641 | |
1972 | int |
1642 | int |
1973 | poll_cb(...) |
1643 | poll_cb (...) |
1974 | PROTOTYPE: |
1644 | PROTOTYPE: |
1975 | CODE: |
1645 | CODE: |
1976 | RETVAL = poll_cb (); |
1646 | RETVAL = poll_cb (); |
1977 | OUTPUT: |
1647 | OUTPUT: |
1978 | RETVAL |
1648 | RETVAL |
1979 | |
1649 | |
1980 | void |
1650 | void |
1981 | poll_wait() |
1651 | poll_wait () |
1982 | PROTOTYPE: |
|
|
1983 | CODE: |
1652 | CODE: |
1984 | poll_wait (); |
1653 | poll_wait (); |
1985 | |
1654 | |
1986 | void |
|
|
1987 | setsig (int signum = SIGIO) |
|
|
1988 | PROTOTYPE: ;$ |
|
|
1989 | CODE: |
|
|
1990 | { |
|
|
1991 | if (block_sig_level) |
|
|
1992 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
|
|
1993 | |
|
|
1994 | X_LOCK (reslock); |
|
|
1995 | main_tid = pthread_self (); |
|
|
1996 | main_sig = signum; |
|
|
1997 | X_UNLOCK (reslock); |
|
|
1998 | |
|
|
1999 | if (main_sig && npending) |
|
|
2000 | pthread_kill (main_tid, main_sig); |
|
|
2001 | } |
|
|
2002 | |
|
|
2003 | void |
|
|
2004 | aio_block (SV *cb) |
|
|
2005 | PROTOTYPE: & |
|
|
2006 | PPCODE: |
|
|
2007 | { |
|
|
2008 | int count; |
|
|
2009 | |
|
|
2010 | block_sig (); |
|
|
2011 | PUSHMARK (SP); |
|
|
2012 | PUTBACK; |
|
|
2013 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
|
|
2014 | unblock_sig (); |
|
|
2015 | |
|
|
2016 | if (SvTRUE (ERRSV)) |
|
|
2017 | croak (0); |
|
|
2018 | |
|
|
2019 | XSRETURN (count); |
|
|
2020 | } |
|
|
2021 | |
|
|
2022 | int |
1655 | int |
2023 | nreqs() |
1656 | nreqs () |
2024 | PROTOTYPE: |
|
|
2025 | CODE: |
1657 | CODE: |
2026 | RETVAL = nreqs; |
1658 | RETVAL = eio_nreqs (); |
2027 | OUTPUT: |
1659 | OUTPUT: |
2028 | RETVAL |
1660 | RETVAL |
2029 | |
1661 | |
2030 | int |
1662 | int |
2031 | nready() |
1663 | nready () |
2032 | PROTOTYPE: |
|
|
2033 | CODE: |
1664 | CODE: |
2034 | RETVAL = get_nready (); |
1665 | RETVAL = eio_nready (); |
2035 | OUTPUT: |
1666 | OUTPUT: |
2036 | RETVAL |
1667 | RETVAL |
2037 | |
1668 | |
2038 | int |
1669 | int |
2039 | npending() |
1670 | npending () |
2040 | PROTOTYPE: |
|
|
2041 | CODE: |
1671 | CODE: |
2042 | RETVAL = get_npending (); |
1672 | RETVAL = eio_npending (); |
2043 | OUTPUT: |
1673 | OUTPUT: |
2044 | RETVAL |
1674 | RETVAL |
2045 | |
1675 | |
2046 | int |
1676 | int |
2047 | nthreads() |
1677 | nthreads () |
2048 | PROTOTYPE: |
|
|
2049 | CODE: |
1678 | CODE: |
2050 | if (WORDACCESS_UNSAFE) X_LOCK (wrklock); |
1679 | RETVAL = eio_nthreads (); |
2051 | RETVAL = started; |
|
|
2052 | if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
|
|
2053 | OUTPUT: |
1680 | OUTPUT: |
2054 | RETVAL |
1681 | RETVAL |
2055 | |
1682 | |
|
|
1683 | int |
|
|
1684 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
1685 | CODE: |
|
|
1686 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
1687 | OUTPUT: |
|
|
1688 | RETVAL |
|
|
1689 | |
|
|
1690 | IV |
|
|
1691 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
1692 | CODE: |
|
|
1693 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1694 | OUTPUT: |
|
|
1695 | RETVAL |
|
|
1696 | |
|
|
1697 | void |
|
|
1698 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
|
|
1699 | PPCODE: |
|
|
1700 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1701 | { |
|
|
1702 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1703 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1704 | if (addr == (void *)-1) |
|
|
1705 | XSRETURN_NO; |
|
|
1706 | |
|
|
1707 | sv_force_normal (scalar); |
|
|
1708 | |
|
|
1709 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1710 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1711 | ->mg_obj = (SV *)length; |
|
|
1712 | |
|
|
1713 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1714 | |
|
|
1715 | if (!(prot & PROT_WRITE)) |
|
|
1716 | SvREADONLY_on (scalar); |
|
|
1717 | |
|
|
1718 | if (SvLEN (scalar)) |
|
|
1719 | Safefree (SvPVX (scalar)); |
|
|
1720 | |
|
|
1721 | SvPVX (scalar) = (char *)addr; |
|
|
1722 | SvCUR_set (scalar, length); |
|
|
1723 | SvLEN_set (scalar, 0); |
|
|
1724 | SvPOK_only (scalar); |
|
|
1725 | |
|
|
1726 | XSRETURN_YES; |
|
|
1727 | } |
|
|
1728 | |
|
|
1729 | void |
|
|
1730 | munmap (SV *scalar) |
|
|
1731 | CODE: |
|
|
1732 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1733 | |
|
|
1734 | int |
|
|
1735 | madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
1736 | ALIAS: |
|
|
1737 | mprotect = 1 |
|
|
1738 | CODE: |
|
|
1739 | { |
|
|
1740 | STRLEN svlen; |
|
|
1741 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1742 | size_t len = SvUV (length); |
|
|
1743 | |
|
|
1744 | if (offset < 0) |
|
|
1745 | offset += svlen; |
|
|
1746 | |
|
|
1747 | if (offset < 0 || offset > svlen) |
|
|
1748 | croak ("offset outside of scalar"); |
|
|
1749 | |
|
|
1750 | if (!SvOK (length) || len + offset > svlen) |
|
|
1751 | len = svlen - offset; |
|
|
1752 | |
|
|
1753 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1754 | eio_page_align (&addr, &len); |
|
|
1755 | |
|
|
1756 | switch (ix) |
|
|
1757 | { |
|
|
1758 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
1759 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
1760 | } |
|
|
1761 | } |
|
|
1762 | OUTPUT: |
|
|
1763 | RETVAL |
|
|
1764 | |
|
|
1765 | int |
|
|
1766 | munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) |
|
|
1767 | CODE: |
|
|
1768 | { |
|
|
1769 | STRLEN svlen; |
|
|
1770 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1771 | size_t len = SvUV (length); |
|
|
1772 | |
|
|
1773 | if (offset < 0) |
|
|
1774 | offset += svlen; |
|
|
1775 | |
|
|
1776 | if (offset < 0 || offset > svlen) |
|
|
1777 | croak ("offset outside of scalar"); |
|
|
1778 | |
|
|
1779 | if (!SvOK (length) || len + offset > svlen) |
|
|
1780 | len = svlen - offset; |
|
|
1781 | |
|
|
1782 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1783 | eio_page_align (&addr, &len); |
|
|
1784 | #if _POSIX_MEMLOCK_RANGE |
|
|
1785 | RETVAL = munlock (addr, len); |
|
|
1786 | #else |
|
|
1787 | RETVAL = EIO_ENOSYS (); |
|
|
1788 | #endif |
|
|
1789 | } |
|
|
1790 | OUTPUT: |
|
|
1791 | RETVAL |
|
|
1792 | |
|
|
1793 | int |
|
|
1794 | munlockall () |
|
|
1795 | CODE: |
|
|
1796 | #if _POSIX_MEMLOCK |
|
|
1797 | munlockall (); |
|
|
1798 | #else |
|
|
1799 | RETVAL = EIO_ENOSYS (); |
|
|
1800 | #endif |
|
|
1801 | OUTPUT: |
|
|
1802 | RETVAL |
|
|
1803 | |
|
|
1804 | int |
|
|
1805 | splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
|
|
1806 | CODE: |
|
|
1807 | { |
|
|
1808 | #if HAVE_LINUX_SPLICE |
|
|
1809 | loff_t off_in_, off_out_; |
|
|
1810 | RETVAL = splice ( |
|
|
1811 | rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0, |
|
|
1812 | wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0, |
|
|
1813 | length, flags |
|
|
1814 | ); |
|
|
1815 | #else |
|
|
1816 | RETVAL = EIO_ENOSYS (); |
|
|
1817 | #endif |
|
|
1818 | } |
|
|
1819 | OUTPUT: |
|
|
1820 | RETVAL |
|
|
1821 | |
|
|
1822 | int |
|
|
1823 | tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
|
|
1824 | CODE: |
|
|
1825 | #if HAVE_LINUX_SPLICE |
|
|
1826 | RETVAL = tee (rfh, wfh, length, flags); |
|
|
1827 | #else |
|
|
1828 | RETVAL = EIO_ENOSYS (); |
|
|
1829 | #endif |
|
|
1830 | OUTPUT: |
|
|
1831 | RETVAL |
|
|
1832 | |
|
|
1833 | void _on_next_submit (SV *cb) |
|
|
1834 | CODE: |
|
|
1835 | SvREFCNT_dec (on_next_submit); |
|
|
1836 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1837 | |
2056 | PROTOTYPES: DISABLE |
1838 | PROTOTYPES: DISABLE |
|
|
1839 | |
|
|
1840 | MODULE = IO::AIO PACKAGE = IO::AIO::WD |
|
|
1841 | |
|
|
1842 | BOOT: |
|
|
1843 | { |
|
|
1844 | newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
|
|
1845 | newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
|
|
1846 | } |
|
|
1847 | |
|
|
1848 | void |
|
|
1849 | DESTROY (SV *self) |
|
|
1850 | CODE: |
|
|
1851 | { |
|
|
1852 | aio_wd wd = SvAIO_WD (self); |
|
|
1853 | #if HAVE_AT |
|
|
1854 | { |
|
|
1855 | SV *callback = &PL_sv_undef; |
|
|
1856 | dREQ; /* clobbers next_pri :/ */ |
|
|
1857 | next_pri = req->pri; /* restore next_pri */ |
|
|
1858 | req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */ |
|
|
1859 | req->type = EIO_WD_CLOSE; |
|
|
1860 | req->wd = wd; |
|
|
1861 | REQ_SEND; |
|
|
1862 | } |
|
|
1863 | #else |
|
|
1864 | eio_wd_close_sync (wd); |
|
|
1865 | #endif |
|
|
1866 | } |
2057 | |
1867 | |
2058 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1868 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
2059 | |
1869 | |
2060 | void |
1870 | void |
2061 | cancel (aio_req_ornot req) |
1871 | cancel (aio_req_ornot req) |
2062 | CODE: |
1872 | CODE: |
2063 | req_cancel (req); |
1873 | eio_cancel (req); |
2064 | |
1874 | |
2065 | void |
1875 | void |
2066 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1876 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
2067 | CODE: |
1877 | PPCODE: |
|
|
1878 | { |
|
|
1879 | if (GIMME_V != G_VOID) |
|
|
1880 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1881 | |
|
|
1882 | if (items > 1) |
|
|
1883 | { |
|
|
1884 | SV *cb_cv =get_cb (callback); |
|
|
1885 | |
2068 | SvREFCNT_dec (req->callback); |
1886 | SvREFCNT_dec (req->callback); |
2069 | req->callback = newSVsv (callback); |
1887 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1888 | } |
|
|
1889 | } |
2070 | |
1890 | |
2071 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1891 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
2072 | |
1892 | |
2073 | void |
1893 | void |
2074 | add (aio_req grp, ...) |
1894 | add (aio_req grp, ...) |
2075 | PPCODE: |
1895 | PPCODE: |
2076 | { |
1896 | { |
2077 | int i; |
1897 | int i; |
2078 | aio_req req; |
|
|
2079 | |
|
|
2080 | if (main_sig && !block_sig_level) |
|
|
2081 | croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use"); |
|
|
2082 | |
1898 | |
2083 | if (grp->int1 == 2) |
1899 | if (grp->int1 == 2) |
2084 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1900 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
2085 | |
1901 | |
2086 | for (i = 1; i < items; ++i ) |
1902 | for (i = 1; i < items; ++i ) |
2087 | { |
1903 | { |
|
|
1904 | aio_req req; |
|
|
1905 | |
2088 | if (GIMME_V != G_VOID) |
1906 | if (GIMME_V != G_VOID) |
2089 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1907 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
2090 | |
1908 | |
2091 | req = SvAIO_REQ (ST (i)); |
1909 | req = SvAIO_REQ (ST (i)); |
2092 | |
1910 | |
2093 | if (req) |
1911 | if (req) |
2094 | { |
1912 | eio_grp_add (grp, req); |
2095 | ++grp->size; |
|
|
2096 | req->grp = grp; |
|
|
2097 | |
|
|
2098 | req->grp_prev = 0; |
|
|
2099 | req->grp_next = grp->grp_first; |
|
|
2100 | |
|
|
2101 | if (grp->grp_first) |
|
|
2102 | grp->grp_first->grp_prev = req; |
|
|
2103 | |
|
|
2104 | grp->grp_first = req; |
|
|
2105 | } |
|
|
2106 | } |
1913 | } |
2107 | } |
1914 | } |
2108 | |
1915 | |
2109 | void |
1916 | void |
2110 | cancel_subs (aio_req_ornot req) |
1917 | cancel_subs (aio_req_ornot req) |
… | |
… | |
2119 | AV *av; |
1926 | AV *av; |
2120 | |
1927 | |
2121 | grp->errorno = errno; |
1928 | grp->errorno = errno; |
2122 | |
1929 | |
2123 | av = newAV (); |
1930 | av = newAV (); |
|
|
1931 | av_extend (av, items - 1); |
2124 | |
1932 | |
2125 | for (i = 1; i < items; ++i ) |
1933 | for (i = 1; i < items; ++i ) |
2126 | av_push (av, newSVsv (ST (i))); |
1934 | av_push (av, newSVsv (ST (i))); |
2127 | |
1935 | |
2128 | SvREFCNT_dec (grp->sv1); |
1936 | SvREFCNT_dec (grp->sv1); |
… | |
… | |
2135 | grp->errorno = errorno; |
1943 | grp->errorno = errorno; |
2136 | |
1944 | |
2137 | void |
1945 | void |
2138 | limit (aio_req grp, int limit) |
1946 | limit (aio_req grp, int limit) |
2139 | CODE: |
1947 | CODE: |
2140 | grp->int2 = limit; |
1948 | eio_grp_limit (grp, limit); |
2141 | aio_grp_feed (grp); |
|
|
2142 | |
1949 | |
2143 | void |
1950 | void |
2144 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1951 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
2145 | CODE: |
1952 | CODE: |
2146 | { |
1953 | { |
2147 | SvREFCNT_dec (grp->sv2); |
1954 | SvREFCNT_dec (grp->sv2); |
2148 | grp->sv2 = newSVsv (callback); |
1955 | grp->sv2 = newSVsv (callback); |
|
|
1956 | grp->feed = aio_grp_feed; |
2149 | |
1957 | |
2150 | if (grp->int2 <= 0) |
1958 | if (grp->int2 <= 0) |
2151 | grp->int2 = 2; |
1959 | grp->int2 = 2; |
2152 | |
1960 | |
2153 | aio_grp_feed (grp); |
1961 | eio_grp_limit (grp, grp->int2); |
2154 | } |
1962 | } |
2155 | |
1963 | |