1 | #define _REENTRANT 1 |
1 | #include "libeio/xthread.h" |
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2 | |
2 | #include <errno.h> |
3 | #include <errno.h> |
3 | |
4 | |
4 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
5 | #include "perl.h" |
6 | #include "perl.h" |
6 | #include "XSUB.h" |
7 | #include "XSUB.h" |
7 | |
8 | |
8 | #include "autoconf/config.h" |
9 | #include "schmorp.h" |
9 | |
10 | |
10 | #include <pthread.h> |
11 | #include <stddef.h> |
11 | |
12 | #include <stdlib.h> |
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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 | |
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15 | #include <unistd.h> |
16 | #include <limits.h> |
16 | #include <fcntl.h> |
17 | #include <fcntl.h> |
17 | #include <signal.h> |
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18 | #include <sched.h> |
18 | #include <sched.h> |
19 | |
19 | |
20 | #if HAVE_SENDFILE |
20 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
21 | # if __linux |
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22 | # include <sys/sendfile.h> |
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23 | # elif __freebsd |
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24 | # include <sys/socket.h> |
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25 | # include <sys/uio.h> |
21 | # include <sys/mman.h> |
26 | # elif __hpux |
22 | #endif |
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23 | |
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24 | /* perl namespace pollution */ |
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25 | #undef VERSION |
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26 | |
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27 | /* perl stupidly overrides readdir and maybe others */ |
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28 | /* with thread-unsafe versions, imagine that :( */ |
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29 | #undef readdir |
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30 | #undef opendir |
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31 | #undef closedir |
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32 | |
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33 | #ifdef _WIN32 |
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34 | |
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35 | // perl overrides all those nice libc functions |
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36 | |
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37 | #undef malloc |
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38 | #undef free |
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39 | #undef open |
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40 | #undef read |
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41 | #undef write |
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42 | #undef send |
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43 | #undef recv |
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44 | #undef stat |
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45 | #undef lstat |
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46 | #undef fstat |
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47 | #undef truncate |
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48 | #undef ftruncate |
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49 | #undef open |
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50 | #undef link |
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51 | #undef close |
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52 | #undef unlink |
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53 | #undef mkdir |
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54 | #undef rmdir |
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55 | #undef rename |
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56 | #undef lseek |
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57 | #undef opendir |
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58 | #undef readdir |
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59 | #undef closedir |
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60 | #undef chmod |
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61 | #undef fchmod |
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62 | #undef dup |
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63 | #undef dup2 |
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64 | #undef abort |
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65 | #undef pipe |
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66 | |
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67 | #else |
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68 | |
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69 | #include <sys/time.h> |
27 | # include <sys/socket.h> |
70 | #include <sys/select.h> |
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71 | #include <unistd.h> |
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72 | #include <utime.h> |
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73 | #include <signal.h> |
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74 | |
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75 | #endif |
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76 | |
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77 | #define EIO_STRUCT_STAT Stat_t |
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78 | |
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79 | /* use NV for 32 bit perls as it allows larger offsets */ |
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80 | #if IVSIZE >= 8 |
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81 | # define VAL64 IV |
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82 | # define SvVAL64 SvIV |
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83 | # define newSVval64 newSViv |
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84 | #else |
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85 | # define VAL64 NV |
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86 | # define SvVAL64 SvNV |
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87 | # define newSVval64 newSVnv |
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88 | #endif |
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89 | |
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90 | /*****************************************************************************/ |
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91 | |
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92 | #if __GNUC__ >= 3 |
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93 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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94 | #else |
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95 | # define expect(expr,value) (expr) |
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96 | #endif |
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97 | |
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98 | #define expect_false(expr) expect ((expr) != 0, 0) |
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99 | #define expect_true(expr) expect ((expr) != 0, 1) |
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100 | |
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101 | /*****************************************************************************/ |
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102 | |
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103 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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104 | typedef int aio_rfd; /* read file desriptor */ |
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105 | typedef int aio_wfd; /* write file descriptor */ |
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106 | |
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107 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
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108 | |
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109 | #define EIO_REQ_MEMBERS \ |
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110 | SV *callback; \ |
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111 | SV *sv1, *sv2; \ |
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112 | SV *sv3, *sv4; \ |
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113 | STRLEN stroffset; \ |
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114 | SV *self; |
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115 | |
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116 | #define EIO_NO_WRAPPERS 1 |
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117 | |
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118 | #include "libeio/config.h" |
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119 | #include "libeio/eio.h" |
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120 | |
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121 | static int req_invoke (eio_req *req); |
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122 | #define EIO_FINISH(req) req_invoke (req) |
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123 | static void req_destroy (eio_req *grp); |
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124 | #define EIO_DESTROY(req) req_destroy (req) |
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125 | |
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126 | #include "libeio/eio.c" |
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127 | |
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128 | /* Linux/others */ |
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129 | #ifndef O_ASYNC |
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130 | # define O_ASYNC 0 |
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131 | #endif |
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132 | #ifndef O_DIRECT |
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133 | # define O_DIRECT 0 |
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134 | #endif |
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135 | #ifndef O_NOATIME |
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136 | # define O_NOATIME 0 |
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137 | #endif |
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138 | |
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139 | /* POSIX */ |
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140 | #ifndef O_CLOEXEC |
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141 | # define O_CLOEXEC 0 |
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142 | #endif |
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143 | #ifndef O_NOFOLLOW |
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144 | # define O_NOFOLLOW 0 |
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145 | #endif |
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146 | #ifndef O_NOCTTY |
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147 | # define O_NOCTTY 0 |
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148 | #endif |
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149 | #ifndef O_NONBLOCK |
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150 | # define O_NONBLOCK 0 |
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151 | #endif |
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152 | #ifndef O_EXEC |
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153 | # define O_EXEC 0 |
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154 | #endif |
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155 | #ifndef O_SEARCH |
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156 | # define O_SEARCH 0 |
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157 | #endif |
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158 | #ifndef O_DIRECTORY |
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159 | # define O_DIRECTORY 0 |
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160 | #endif |
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161 | #ifndef O_DSYNC |
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162 | # define O_DSYNC 0 |
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163 | #endif |
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164 | #ifndef O_RSYNC |
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165 | # define O_RSYNC 0 |
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166 | #endif |
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167 | #ifndef O_SYNC |
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168 | # define O_SYNC 0 |
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169 | #endif |
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170 | #ifndef O_TTY_INIT |
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171 | # define O_TTY_INIT 0 |
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172 | #endif |
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173 | |
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174 | #ifndef POSIX_FADV_NORMAL |
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175 | # define POSIX_FADV_NORMAL 0 |
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176 | #endif |
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177 | #ifndef POSIX_FADV_SEQUENTIAL |
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178 | # define POSIX_FADV_SEQUENTIAL 0 |
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179 | #endif |
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180 | #ifndef POSIX_FADV_RANDOM |
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181 | # define POSIX_FADV_RANDOM 0 |
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182 | #endif |
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183 | #ifndef POSIX_FADV_NOREUSE |
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184 | # define POSIX_FADV_NOREUSE 0 |
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185 | #endif |
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186 | #ifndef POSIX_FADV_WILLNEED |
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187 | # define POSIX_FADV_WILLNEED 0 |
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188 | #endif |
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189 | #ifndef POSIX_FADV_DONTNEED |
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190 | # define POSIX_FADV_DONTNEED 0 |
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191 | #endif |
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192 | |
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193 | #if !HAVE_POSIX_FADVISE |
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194 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
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195 | #endif |
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196 | |
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197 | #ifndef POSIX_MADV_NORMAL |
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198 | # define POSIX_MADV_NORMAL 0 |
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199 | #endif |
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200 | #ifndef POSIX_MADV_SEQUENTIAL |
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201 | # define POSIX_MADV_SEQUENTIAL 0 |
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202 | #endif |
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203 | #ifndef POSIX_MADV_RANDOM |
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204 | # define POSIX_MADV_RANDOM 0 |
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205 | #endif |
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206 | #ifndef POSIX_MADV_WILLNEED |
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207 | # define POSIX_MADV_WILLNEED 0 |
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208 | #endif |
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209 | #ifndef POSIX_MADV_DONTNEED |
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210 | # define POSIX_MADV_DONTNEED 0 |
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211 | #endif |
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212 | |
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213 | #if !HAVE_POSIX_MADVISE |
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214 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
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215 | #endif |
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216 | |
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217 | #ifndef PROT_NONE |
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218 | # define PROT_NONE 0 |
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219 | #endif |
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220 | #ifndef PROT_READ |
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221 | # define PROT_READ 0 |
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222 | #endif |
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223 | #ifndef PROT_WRITE |
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224 | # define PROT_READ 0 |
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225 | #endif |
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226 | #ifndef PROT_EXEC |
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227 | # define PROT_EXEC 0 |
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228 | #endif |
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229 | |
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230 | #ifndef ST_RDONLY |
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231 | # define ST_RDONLY 0 |
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232 | #endif |
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233 | #ifndef ST_NOSUID |
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234 | # define ST_NOSUID 0 |
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235 | #endif |
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236 | #ifndef ST_NODEV |
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237 | # define ST_NODEV 0 |
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238 | #endif |
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239 | #ifndef ST_NOEXEC |
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240 | # define ST_NOEXEC 0 |
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241 | #endif |
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242 | #ifndef ST_SYNCHRONOUS |
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243 | # define ST_SYNCHRONOUS 0 |
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244 | #endif |
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245 | #ifndef ST_MANDLOCK |
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246 | # define ST_MANDLOCK 0 |
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247 | #endif |
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248 | #ifndef ST_WRITE |
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249 | # define ST_WRITE 0 |
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250 | #endif |
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251 | #ifndef ST_APPEND |
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252 | # define ST_APPEND 0 |
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253 | #endif |
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254 | #ifndef ST_IMMUTABLE |
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255 | # define ST_IMMUTABLE 0 |
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256 | #endif |
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257 | #ifndef ST_NOATIME |
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258 | # define ST_NOATIME 0 |
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259 | #endif |
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260 | #ifndef ST_NODIRATIME |
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261 | # define ST_NODIRATIME 0 |
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262 | #endif |
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263 | #ifndef ST_RELATIME |
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264 | # define ST_RELATIME 0 |
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265 | #endif |
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266 | |
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267 | #ifndef S_IFIFO |
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268 | # define S_IFIFO 0 |
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269 | #endif |
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270 | #ifndef S_IFCHR |
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271 | # define S_IFCHR 0 |
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272 | #endif |
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273 | #ifndef S_IFBLK |
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274 | # define S_IFBLK 0 |
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275 | #endif |
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276 | #ifndef S_IFLNK |
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277 | # define S_IFLNK 0 |
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278 | #endif |
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279 | #ifndef S_IFREG |
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280 | # define S_IFREG 0 |
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281 | #endif |
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282 | #ifndef S_IFDIR |
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283 | # define S_IFDIR 0 |
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284 | #endif |
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285 | #ifndef S_IFWHT |
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286 | # define S_IFWHT 0 |
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287 | #endif |
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288 | #ifndef S_IFSOCK |
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289 | # define S_IFSOCK 0 |
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290 | #endif |
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291 | |
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292 | #ifndef MAP_ANONYMOUS |
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293 | # ifdef MAP_ANON |
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294 | # define MAP_ANONYMOUS MAP_ANON |
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295 | # else |
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296 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
28 | # endif |
297 | # endif |
29 | #endif |
298 | #endif |
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299 | #ifndef MAP_HUGETLB |
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300 | # define MAP_HUGETLB 0 |
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301 | #endif |
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302 | #ifndef MAP_LOCKED |
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303 | # define MAP_LOCKED 0 |
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304 | #endif |
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305 | #ifndef MAP_NORESERVE |
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306 | # define MAP_NORESERVE 0 |
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307 | #endif |
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308 | #ifndef MAP_POPULATE |
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309 | # define MAP_POPULATE 0 |
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310 | #endif |
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311 | #ifndef MAP_NONBLOCK |
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312 | # define MAP_NONBLOCK 0 |
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313 | #endif |
30 | |
314 | |
31 | #if __ia64 |
315 | #ifndef makedev |
32 | # define STACKSIZE 65536 |
316 | # define makedev(maj,min) (((maj) << 8) | (min)) |
33 | #else |
317 | #endif |
34 | # define STACKSIZE 4096 |
318 | #ifndef major |
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319 | # define major(dev) ((dev) >> 8) |
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320 | #endif |
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321 | #ifndef minor |
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322 | # define minor(dev) ((dev) & 0xff) |
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323 | #endif |
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324 | |
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325 | #ifndef PAGESIZE |
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326 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
35 | #endif |
327 | #endif |
36 | |
328 | |
37 | enum { |
329 | enum { |
38 | REQ_QUIT, |
330 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
39 | REQ_OPEN, REQ_CLOSE, |
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40 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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41 | REQ_SENDFILE, |
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42 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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43 | REQ_FSYNC, REQ_FDATASYNC, |
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44 | REQ_UNLINK, REQ_RMDIR, |
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45 | REQ_SYMLINK, |
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46 | }; |
331 | }; |
47 | |
332 | |
48 | typedef struct aio_cb { |
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49 | struct aio_cb *volatile next; |
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50 | |
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51 | int type; |
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52 | |
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53 | int fd, fd2; |
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54 | off_t offset; |
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55 | size_t length; |
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56 | ssize_t result; |
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57 | mode_t mode; /* open */ |
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58 | int errorno; |
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59 | SV *data, *callback; |
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60 | SV *fh, *fh2; |
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61 | void *dataptr, *data2ptr; |
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62 | STRLEN dataoffset; |
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63 | |
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64 | Stat_t *statdata; |
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65 | } aio_cb; |
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66 | |
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67 | typedef aio_cb *aio_req; |
333 | typedef eio_req *aio_req; |
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334 | typedef eio_req *aio_req_ornot; |
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335 | typedef eio_wd aio_wd; |
68 | |
336 | |
69 | static int started, wanted; |
337 | static SV *on_next_submit; |
70 | static volatile int nreqs; |
338 | static int next_pri = EIO_PRI_DEFAULT; |
71 | static int max_outstanding = 1<<30; |
339 | static int max_outstanding; |
72 | static int respipe [2]; |
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73 | |
340 | |
74 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
341 | static s_epipe respipe; |
75 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
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76 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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77 | |
342 | |
78 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
343 | static void req_destroy (aio_req req); |
79 | static volatile aio_req ress, rese; /* queue start, queue end */ |
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80 | |
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81 | static void free_req (aio_req req) |
344 | static void req_cancel (aio_req req); |
82 | { |
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83 | if (req->data) |
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84 | SvREFCNT_dec (req->data); |
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85 | |
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86 | if (req->fh) |
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87 | SvREFCNT_dec (req->fh); |
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88 | |
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89 | if (req->fh2) |
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90 | SvREFCNT_dec (req->fh2); |
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91 | |
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92 | if (req->statdata) |
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93 | Safefree (req->statdata); |
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94 | |
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95 | if (req->callback) |
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96 | SvREFCNT_dec (req->callback); |
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97 | |
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98 | Safefree (req); |
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99 | } |
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100 | |
345 | |
101 | static void |
346 | static void |
102 | poll_wait () |
347 | want_poll (void) |
103 | { |
348 | { |
104 | if (nreqs && !ress) |
349 | /* write a dummy byte to the pipe so fh becomes ready */ |
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350 | s_epipe_signal (&respipe); |
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351 | } |
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352 | |
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353 | static void |
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354 | done_poll (void) |
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355 | { |
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356 | /* read any signals sent by the worker threads */ |
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357 | s_epipe_drain (&respipe); |
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358 | } |
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359 | |
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360 | /* must be called at most once */ |
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361 | static SV * |
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362 | req_sv (aio_req req, HV *stash) |
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363 | { |
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364 | if (!req->self) |
105 | { |
365 | { |
106 | fd_set rfd; |
366 | req->self = (SV *)newHV (); |
107 | FD_ZERO(&rfd); |
367 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
108 | FD_SET(respipe [0], &rfd); |
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109 | |
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110 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
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111 | } |
368 | } |
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369 | |
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370 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
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371 | } |
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372 | |
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373 | static SV * |
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374 | newSVaio_wd (aio_wd wd) |
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375 | { |
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376 | return sv_bless (newRV_noinc (newSViv ((long)wd)), aio_wd_stash); |
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377 | } |
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378 | |
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379 | static aio_req |
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380 | SvAIO_REQ (SV *sv) |
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381 | { |
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382 | MAGIC *mg; |
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383 | |
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384 | if (!SvROK (sv) |
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385 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
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386 | && SvSTASH (SvRV (sv)) != aio_req_stash |
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387 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
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388 | croak ("object of class IO::AIO::REQ expected"); |
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389 | |
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390 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
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391 | |
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392 | return mg ? (aio_req)mg->mg_ptr : 0; |
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393 | } |
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394 | |
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395 | static aio_wd |
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396 | SvAIO_WD (SV *sv) |
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397 | { |
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398 | if (!SvROK (sv) |
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399 | || SvSTASH (SvRV (sv)) != aio_wd_stash |
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400 | || SvTYPE (SvRV (sv)) != SVt_PVMG) |
|
|
401 | croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
|
|
402 | |
|
|
403 | return (aio_wd)(long)SvIVX (SvRV (sv)); |
|
|
404 | } |
|
|
405 | |
|
|
406 | static void |
|
|
407 | aio_grp_feed (aio_req grp) |
|
|
408 | { |
|
|
409 | if (grp->sv2 && SvOK (grp->sv2)) |
|
|
410 | { |
|
|
411 | dSP; |
|
|
412 | |
|
|
413 | ENTER; |
|
|
414 | SAVETMPS; |
|
|
415 | PUSHMARK (SP); |
|
|
416 | XPUSHs (req_sv (grp, aio_grp_stash)); |
|
|
417 | PUTBACK; |
|
|
418 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
|
|
419 | SPAGAIN; |
|
|
420 | FREETMPS; |
|
|
421 | LEAVE; |
|
|
422 | } |
|
|
423 | } |
|
|
424 | |
|
|
425 | static void |
|
|
426 | req_submit (eio_req *req) |
|
|
427 | { |
|
|
428 | eio_submit (req); |
|
|
429 | |
|
|
430 | if (expect_false (on_next_submit)) |
|
|
431 | { |
|
|
432 | dSP; |
|
|
433 | SV *cb = sv_2mortal (on_next_submit); |
|
|
434 | |
|
|
435 | on_next_submit = 0; |
|
|
436 | |
|
|
437 | PUSHMARK (SP); |
|
|
438 | PUTBACK; |
|
|
439 | call_sv (cb, G_DISCARD | G_EVAL); |
|
|
440 | } |
112 | } |
441 | } |
113 | |
442 | |
114 | static int |
443 | static int |
115 | poll_cb () |
444 | req_invoke (eio_req *req) |
116 | { |
445 | { |
117 | dSP; |
446 | if (req->flags & FLAG_SV2_RO_OFF) |
118 | int count = 0; |
447 | SvREADONLY_off (req->sv2); |
119 | int do_croak = 0; |
|
|
120 | aio_req req; |
|
|
121 | |
448 | |
122 | for (;;) |
449 | if (!EIO_CANCELLED (req) && req->callback) |
123 | { |
450 | { |
124 | pthread_mutex_lock (&reslock); |
451 | dSP; |
125 | req = ress; |
452 | static SV *sv_result_cache; /* caches the result integer SV */ |
|
|
453 | SV *sv_result; |
126 | |
454 | |
127 | if (req) |
455 | ENTER; |
|
|
456 | SAVETMPS; |
|
|
457 | PUSHMARK (SP); |
|
|
458 | EXTEND (SP, 1); |
|
|
459 | |
|
|
460 | /* do not recreate the result IV from scratch each time */ |
|
|
461 | if (expect_true (sv_result_cache)) |
128 | { |
462 | { |
129 | ress = req->next; |
463 | sv_result = sv_result_cache; sv_result_cache = 0; |
130 | |
464 | SvIV_set (sv_result, req->result); |
131 | if (!ress) |
465 | SvIOK_only (sv_result); |
132 | { |
|
|
133 | /* read any signals sent by the worker threads */ |
|
|
134 | char buf [32]; |
|
|
135 | while (read (respipe [0], buf, 32) == 32) |
|
|
136 | ; |
|
|
137 | |
|
|
138 | rese = 0; |
|
|
139 | } |
|
|
140 | } |
|
|
141 | |
|
|
142 | pthread_mutex_unlock (&reslock); |
|
|
143 | |
|
|
144 | if (!req) |
|
|
145 | break; |
|
|
146 | |
|
|
147 | nreqs--; |
|
|
148 | |
|
|
149 | if (req->type == REQ_QUIT) |
|
|
150 | started--; |
|
|
151 | else |
|
|
152 | { |
|
|
153 | int errorno = errno; |
|
|
154 | errno = req->errorno; |
|
|
155 | |
|
|
156 | if (req->type == REQ_READ) |
|
|
157 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
158 | |
|
|
159 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
160 | SvREADONLY_off (req->data); |
|
|
161 | |
|
|
162 | if (req->statdata) |
|
|
163 | { |
|
|
164 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
165 | PL_laststatval = req->result; |
|
|
166 | PL_statcache = *(req->statdata); |
|
|
167 | } |
|
|
168 | |
|
|
169 | ENTER; |
|
|
170 | PUSHMARK (SP); |
|
|
171 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
172 | |
|
|
173 | if (req->type == REQ_OPEN) |
|
|
174 | { |
|
|
175 | /* convert fd to fh */ |
|
|
176 | SV *fh; |
|
|
177 | |
|
|
178 | PUTBACK; |
|
|
179 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
180 | SPAGAIN; |
|
|
181 | |
|
|
182 | fh = SvREFCNT_inc (POPs); |
|
|
183 | |
|
|
184 | PUSHMARK (SP); |
|
|
185 | XPUSHs (sv_2mortal (fh)); |
|
|
186 | } |
|
|
187 | |
|
|
188 | if (SvOK (req->callback)) |
|
|
189 | { |
|
|
190 | PUTBACK; |
|
|
191 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
192 | SPAGAIN; |
|
|
193 | |
|
|
194 | if (SvTRUE (ERRSV)) |
|
|
195 | { |
|
|
196 | free_req (req); |
|
|
197 | croak (0); |
|
|
198 | } |
|
|
199 | } |
|
|
200 | |
|
|
201 | LEAVE; |
|
|
202 | |
|
|
203 | errno = errorno; |
|
|
204 | count++; |
|
|
205 | } |
|
|
206 | |
|
|
207 | free_req (req); |
|
|
208 | } |
|
|
209 | |
|
|
210 | return count; |
|
|
211 | } |
|
|
212 | |
|
|
213 | static void *aio_proc(void *arg); |
|
|
214 | |
|
|
215 | static void |
|
|
216 | start_thread (void) |
|
|
217 | { |
|
|
218 | sigset_t fullsigset, oldsigset; |
|
|
219 | pthread_t tid; |
|
|
220 | pthread_attr_t attr; |
|
|
221 | |
|
|
222 | pthread_attr_init (&attr); |
|
|
223 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
224 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
225 | |
|
|
226 | sigfillset (&fullsigset); |
|
|
227 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
228 | |
|
|
229 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
|
|
230 | started++; |
|
|
231 | |
|
|
232 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
233 | } |
|
|
234 | |
|
|
235 | static void |
|
|
236 | send_req (aio_req req) |
|
|
237 | { |
|
|
238 | while (started < wanted && nreqs >= started) |
|
|
239 | start_thread (); |
|
|
240 | |
|
|
241 | nreqs++; |
|
|
242 | |
|
|
243 | pthread_mutex_lock (&reqlock); |
|
|
244 | |
|
|
245 | req->next = 0; |
|
|
246 | |
|
|
247 | if (reqe) |
|
|
248 | { |
|
|
249 | reqe->next = req; |
|
|
250 | reqe = req; |
|
|
251 | } |
|
|
252 | else |
|
|
253 | reqe = reqs = req; |
|
|
254 | |
|
|
255 | pthread_cond_signal (&reqwait); |
|
|
256 | pthread_mutex_unlock (&reqlock); |
|
|
257 | |
|
|
258 | if (nreqs > max_outstanding) |
|
|
259 | for (;;) |
|
|
260 | { |
|
|
261 | poll_cb (); |
|
|
262 | |
|
|
263 | if (nreqs <= max_outstanding) |
|
|
264 | break; |
|
|
265 | |
|
|
266 | poll_wait (); |
|
|
267 | } |
|
|
268 | } |
|
|
269 | |
|
|
270 | static void |
|
|
271 | end_thread (void) |
|
|
272 | { |
|
|
273 | aio_req req; |
|
|
274 | Newz (0, req, 1, aio_cb); |
|
|
275 | req->type = REQ_QUIT; |
|
|
276 | |
|
|
277 | send_req (req); |
|
|
278 | } |
|
|
279 | |
|
|
280 | static void min_parallel (int nthreads) |
|
|
281 | { |
|
|
282 | if (wanted < nthreads) |
|
|
283 | wanted = nthreads; |
|
|
284 | } |
|
|
285 | |
|
|
286 | static void max_parallel (int nthreads) |
|
|
287 | { |
|
|
288 | int cur = started; |
|
|
289 | |
|
|
290 | if (wanted > nthreads) |
|
|
291 | wanted = nthreads; |
|
|
292 | |
|
|
293 | while (cur > wanted) |
|
|
294 | { |
|
|
295 | end_thread (); |
|
|
296 | cur--; |
|
|
297 | } |
|
|
298 | |
|
|
299 | while (started > wanted) |
|
|
300 | { |
|
|
301 | poll_wait (); |
|
|
302 | poll_cb (); |
|
|
303 | } |
|
|
304 | } |
|
|
305 | |
|
|
306 | static void create_pipe () |
|
|
307 | { |
|
|
308 | if (pipe (respipe)) |
|
|
309 | croak ("unable to initialize result pipe"); |
|
|
310 | |
|
|
311 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
312 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
313 | |
|
|
314 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
315 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
316 | } |
|
|
317 | |
|
|
318 | static void atfork_prepare (void) |
|
|
319 | { |
|
|
320 | pthread_mutex_lock (&reqlock); |
|
|
321 | pthread_mutex_lock (&reslock); |
|
|
322 | } |
|
|
323 | |
|
|
324 | static void atfork_parent (void) |
|
|
325 | { |
|
|
326 | pthread_mutex_unlock (&reslock); |
|
|
327 | pthread_mutex_unlock (&reqlock); |
|
|
328 | } |
|
|
329 | |
|
|
330 | static void atfork_child (void) |
|
|
331 | { |
|
|
332 | aio_req prv; |
|
|
333 | |
|
|
334 | started = 0; |
|
|
335 | |
|
|
336 | while (reqs) |
|
|
337 | { |
|
|
338 | prv = reqs; |
|
|
339 | reqs = prv->next; |
|
|
340 | free_req (prv); |
|
|
341 | } |
|
|
342 | |
|
|
343 | reqs = reqe = 0; |
|
|
344 | |
|
|
345 | while (ress) |
|
|
346 | { |
|
|
347 | prv = ress; |
|
|
348 | ress = prv->next; |
|
|
349 | free_req (prv); |
|
|
350 | } |
|
|
351 | |
|
|
352 | ress = rese = 0; |
|
|
353 | |
|
|
354 | close (respipe [0]); |
|
|
355 | close (respipe [1]); |
|
|
356 | create_pipe (); |
|
|
357 | |
|
|
358 | atfork_parent (); |
|
|
359 | } |
|
|
360 | |
|
|
361 | /*****************************************************************************/ |
|
|
362 | /* work around various missing functions */ |
|
|
363 | |
|
|
364 | #if !HAVE_PREADWRITE |
|
|
365 | # define pread aio_pread |
|
|
366 | # define pwrite aio_pwrite |
|
|
367 | |
|
|
368 | /* |
|
|
369 | * make our pread/pwrite safe against themselves, but not against |
|
|
370 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
371 | * but that's your problem, not mine. |
|
|
372 | */ |
|
|
373 | static pthread_mutex_t iolock = PTHREAD_MUTEX_INITIALIZER; |
|
|
374 | |
|
|
375 | static ssize_t |
|
|
376 | pread (int fd, void *buf, size_t count, off_t offset) |
|
|
377 | { |
|
|
378 | ssize_t res; |
|
|
379 | off_t ooffset; |
|
|
380 | |
|
|
381 | pthread_mutex_lock (&iolock); |
|
|
382 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
383 | lseek (fd, offset, SEEK_SET); |
|
|
384 | res = read (fd, buf, count); |
|
|
385 | lseek (fd, ooffset, SEEK_SET); |
|
|
386 | pthread_mutex_unlock (&iolock); |
|
|
387 | |
|
|
388 | return res; |
|
|
389 | } |
|
|
390 | |
|
|
391 | static ssize_t |
|
|
392 | pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
393 | { |
|
|
394 | ssize_t res; |
|
|
395 | off_t ooffset; |
|
|
396 | |
|
|
397 | pthread_mutex_lock (&iolock); |
|
|
398 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
399 | lseek (fd, offset, SEEK_SET); |
|
|
400 | res = write (fd, buf, count); |
|
|
401 | lseek (fd, offset, SEEK_SET); |
|
|
402 | pthread_mutex_unlock (&iolock); |
|
|
403 | |
|
|
404 | return res; |
|
|
405 | } |
|
|
406 | #endif |
|
|
407 | |
|
|
408 | #if !HAVE_FDATASYNC |
|
|
409 | # define fdatasync fsync |
|
|
410 | #endif |
|
|
411 | |
|
|
412 | #if !HAVE_READAHEAD |
|
|
413 | # define readahead aio_readahead |
|
|
414 | |
|
|
415 | static char readahead_buf[4096]; |
|
|
416 | |
|
|
417 | static ssize_t |
|
|
418 | readahead (int fd, off_t offset, size_t count) |
|
|
419 | { |
|
|
420 | while (count > 0) |
|
|
421 | { |
|
|
422 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
|
|
423 | |
|
|
424 | pread (fd, readahead_buf, len, offset); |
|
|
425 | offset += len; |
|
|
426 | count -= len; |
|
|
427 | } |
|
|
428 | |
|
|
429 | errno = 0; |
|
|
430 | } |
|
|
431 | #endif |
|
|
432 | |
|
|
433 | /* sendfile always needs emulation */ |
|
|
434 | static ssize_t |
|
|
435 | sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
|
|
436 | { |
|
|
437 | ssize_t res; |
|
|
438 | |
|
|
439 | if (!count) |
|
|
440 | return 0; |
|
|
441 | |
|
|
442 | #if __linux |
|
|
443 | res = sendfile (ofd, ifd, &offset, count); |
|
|
444 | |
|
|
445 | #elif __freebsd |
|
|
446 | /* |
|
|
447 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
448 | * wasted on making it similar to other i/o functions. |
|
|
449 | */ |
|
|
450 | { |
|
|
451 | off_t sbytes; |
|
|
452 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
453 | |
|
|
454 | if (!res && errno == EAGAIN) |
|
|
455 | res = sbytes; |
|
|
456 | } |
|
|
457 | |
|
|
458 | #elif __hpux |
|
|
459 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
460 | |
|
|
461 | #else |
|
|
462 | res = -1; |
|
|
463 | errno = ENOSYS; |
|
|
464 | #endif |
|
|
465 | |
|
|
466 | if (res < 0 && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK)) |
|
|
467 | { |
|
|
468 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
469 | char *buf = malloc (4096); |
|
|
470 | res = 0; |
|
|
471 | |
|
|
472 | for (;;) |
|
|
473 | { |
|
|
474 | ssize_t cnt; |
|
|
475 | |
|
|
476 | cnt = pread (ifd, buf, 4096, offset); |
|
|
477 | |
|
|
478 | if (cnt <= 0) |
|
|
479 | { |
|
|
480 | if (cnt && !res) res = -1; |
|
|
481 | break; |
|
|
482 | } |
|
|
483 | |
|
|
484 | cnt = write (ofd, buf, cnt); |
|
|
485 | |
|
|
486 | if (cnt <= 0) |
|
|
487 | { |
|
|
488 | if (cnt && !res) res = -1; |
|
|
489 | break; |
|
|
490 | } |
|
|
491 | |
|
|
492 | offset += cnt; |
|
|
493 | res += cnt; |
|
|
494 | } |
|
|
495 | |
|
|
496 | { |
|
|
497 | int errorno = errno; |
|
|
498 | free (buf); |
|
|
499 | errno = errorno; |
|
|
500 | } |
|
|
501 | } |
|
|
502 | |
|
|
503 | return res; |
|
|
504 | } |
|
|
505 | |
|
|
506 | /*****************************************************************************/ |
|
|
507 | |
|
|
508 | static void * |
|
|
509 | aio_proc (void *thr_arg) |
|
|
510 | { |
|
|
511 | aio_req req; |
|
|
512 | int type; |
|
|
513 | |
|
|
514 | do |
|
|
515 | { |
|
|
516 | pthread_mutex_lock (&reqlock); |
|
|
517 | |
|
|
518 | for (;;) |
|
|
519 | { |
|
|
520 | req = reqs; |
|
|
521 | |
|
|
522 | if (reqs) |
|
|
523 | { |
|
|
524 | reqs = reqs->next; |
|
|
525 | if (!reqs) reqe = 0; |
|
|
526 | } |
|
|
527 | |
|
|
528 | if (req) |
|
|
529 | break; |
|
|
530 | |
|
|
531 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
532 | } |
|
|
533 | |
|
|
534 | pthread_mutex_unlock (&reqlock); |
|
|
535 | |
|
|
536 | errno = 0; /* strictly unnecessary */ |
|
|
537 | |
|
|
538 | type = req->type; |
|
|
539 | |
|
|
540 | switch (type) |
|
|
541 | { |
|
|
542 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
543 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
544 | |
|
|
545 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
546 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
|
|
547 | |
|
|
548 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
549 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
550 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
551 | |
|
|
552 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
553 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
554 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
555 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
556 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
557 | |
|
|
558 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
559 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
560 | |
|
|
561 | case REQ_QUIT: |
|
|
562 | break; |
|
|
563 | |
|
|
564 | default: |
|
|
565 | req->result = ENOSYS; |
|
|
566 | break; |
|
|
567 | } |
|
|
568 | |
|
|
569 | req->errorno = errno; |
|
|
570 | |
|
|
571 | pthread_mutex_lock (&reslock); |
|
|
572 | |
|
|
573 | req->next = 0; |
|
|
574 | |
|
|
575 | if (rese) |
|
|
576 | { |
|
|
577 | rese->next = req; |
|
|
578 | rese = req; |
|
|
579 | } |
466 | } |
580 | else |
467 | else |
581 | { |
468 | { |
582 | rese = ress = req; |
469 | sv_result = newSViv (req->result); |
583 | |
470 | SvREADONLY_on (sv_result); |
584 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
585 | write (respipe [1], &respipe, 1); |
|
|
586 | } |
471 | } |
587 | |
472 | |
588 | pthread_mutex_unlock (&reslock); |
473 | switch (req->type) |
|
|
474 | { |
|
|
475 | case EIO_WD_OPEN: |
|
|
476 | PUSHs (sv_2mortal (newSVaio_wd (req->wd))); |
|
|
477 | break; |
|
|
478 | |
|
|
479 | case EIO_READDIR: |
|
|
480 | { |
|
|
481 | SV *rv = &PL_sv_undef; |
|
|
482 | |
|
|
483 | if (req->result >= 0) |
|
|
484 | { |
|
|
485 | int i; |
|
|
486 | char *names = (char *)req->ptr2; |
|
|
487 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
|
|
488 | AV *av = newAV (); |
|
|
489 | |
|
|
490 | av_extend (av, req->result - 1); |
|
|
491 | |
|
|
492 | for (i = 0; i < req->result; ++i) |
|
|
493 | { |
|
|
494 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
495 | { |
|
|
496 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
|
|
497 | |
|
|
498 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
499 | { |
|
|
500 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
501 | AV *avent = newAV (); |
|
|
502 | |
|
|
503 | av_extend (avent, 2); |
|
|
504 | |
|
|
505 | if (!sv_type [ent->type]) |
|
|
506 | { |
|
|
507 | sv_type [ent->type] = newSViv (ent->type); |
|
|
508 | SvREADONLY_on (sv_type [ent->type]); |
|
|
509 | } |
|
|
510 | |
|
|
511 | av_store (avent, 0, namesv); |
|
|
512 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
513 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
514 | |
|
|
515 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
516 | } |
|
|
517 | else |
|
|
518 | av_store (av, i, namesv); |
|
|
519 | |
|
|
520 | ++ent; |
|
|
521 | } |
|
|
522 | else |
|
|
523 | { |
|
|
524 | SV *name = newSVpv (names, 0); |
|
|
525 | av_store (av, i, name); |
|
|
526 | names += SvCUR (name) + 1; |
|
|
527 | } |
|
|
528 | } |
|
|
529 | |
|
|
530 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
|
531 | } |
|
|
532 | |
|
|
533 | PUSHs (rv); |
|
|
534 | |
|
|
535 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
536 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
|
|
537 | } |
|
|
538 | break; |
|
|
539 | |
|
|
540 | case EIO_OPEN: |
|
|
541 | { |
|
|
542 | /* convert fd to fh */ |
|
|
543 | SV *fh = &PL_sv_undef; |
|
|
544 | |
|
|
545 | if (req->result >= 0) |
|
|
546 | { |
|
|
547 | GV *gv = (GV *)sv_newmortal (); |
|
|
548 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
|
|
549 | char sym [64]; |
|
|
550 | int symlen; |
|
|
551 | |
|
|
552 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
|
|
553 | gv_init (gv, aio_stash, sym, symlen, 0); |
|
|
554 | |
|
|
555 | symlen = snprintf ( |
|
|
556 | sym, |
|
|
557 | sizeof (sym), |
|
|
558 | "%s&=%d", |
|
|
559 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
560 | (int)req->result |
|
|
561 | ); |
|
|
562 | |
|
|
563 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
564 | fh = (SV *)gv; |
|
|
565 | } |
|
|
566 | |
|
|
567 | PUSHs (fh); |
|
|
568 | } |
|
|
569 | break; |
|
|
570 | |
|
|
571 | case EIO_STATVFS: |
|
|
572 | case EIO_FSTATVFS: |
|
|
573 | { |
|
|
574 | SV *rv = &PL_sv_undef; |
|
|
575 | |
|
|
576 | #ifndef _WIN32 |
|
|
577 | if (req->result >= 0) |
|
|
578 | { |
|
|
579 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
580 | HV *hv = newHV (); |
|
|
581 | |
|
|
582 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
|
|
583 | |
|
|
584 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
|
|
585 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
586 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
587 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
588 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
589 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
590 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
591 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
592 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
|
|
593 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
594 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
595 | } |
|
|
596 | #endif |
|
|
597 | |
|
|
598 | PUSHs (rv); |
|
|
599 | } |
|
|
600 | |
|
|
601 | break; |
|
|
602 | |
|
|
603 | case EIO_GROUP: |
|
|
604 | req->int1 = 2; /* mark group as finished */ |
|
|
605 | |
|
|
606 | if (req->sv1) |
|
|
607 | { |
|
|
608 | int i; |
|
|
609 | AV *av = (AV *)req->sv1; |
|
|
610 | |
|
|
611 | EXTEND (SP, AvFILL (av) + 1); |
|
|
612 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
613 | PUSHs (*av_fetch (av, i, 0)); |
|
|
614 | } |
|
|
615 | break; |
|
|
616 | |
|
|
617 | case EIO_NOP: |
|
|
618 | case EIO_BUSY: |
|
|
619 | break; |
|
|
620 | |
|
|
621 | case EIO_READLINK: |
|
|
622 | case EIO_REALPATH: |
|
|
623 | if (req->result > 0) |
|
|
624 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
625 | break; |
|
|
626 | |
|
|
627 | case EIO_STAT: |
|
|
628 | case EIO_LSTAT: |
|
|
629 | case EIO_FSTAT: |
|
|
630 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
631 | |
|
|
632 | if (!(PL_laststatval = req->result)) |
|
|
633 | /* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
|
|
634 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
635 | |
|
|
636 | PUSHs (sv_result); |
|
|
637 | break; |
|
|
638 | |
|
|
639 | case EIO_READ: |
|
|
640 | { |
|
|
641 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
642 | *SvEND (req->sv2) = 0; |
|
|
643 | SvPOK_only (req->sv2); |
|
|
644 | SvSETMAGIC (req->sv2); |
|
|
645 | PUSHs (sv_result); |
|
|
646 | } |
|
|
647 | break; |
|
|
648 | |
|
|
649 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
|
|
650 | if (req->result > 0) |
|
|
651 | SvIV_set (sv_result, 0); |
|
|
652 | /* FALLTHROUGH */ |
|
|
653 | |
|
|
654 | default: |
|
|
655 | PUSHs (sv_result); |
|
|
656 | break; |
|
|
657 | } |
|
|
658 | |
|
|
659 | errno = req->errorno; |
|
|
660 | |
|
|
661 | PUTBACK; |
|
|
662 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
|
|
663 | SPAGAIN; |
|
|
664 | |
|
|
665 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
666 | SvREFCNT_dec (sv_result); |
|
|
667 | else |
|
|
668 | sv_result_cache = sv_result; |
|
|
669 | |
|
|
670 | FREETMPS; |
|
|
671 | LEAVE; |
|
|
672 | |
|
|
673 | PUTBACK; |
589 | } |
674 | } |
590 | while (type != REQ_QUIT); |
675 | |
|
|
676 | return !!SvTRUE (ERRSV); |
|
|
677 | } |
|
|
678 | |
|
|
679 | static void |
|
|
680 | req_destroy (aio_req req) |
|
|
681 | { |
|
|
682 | if (req->self) |
|
|
683 | { |
|
|
684 | sv_unmagic (req->self, PERL_MAGIC_ext); |
|
|
685 | SvREFCNT_dec (req->self); |
|
|
686 | } |
|
|
687 | |
|
|
688 | SvREFCNT_dec (req->sv1); |
|
|
689 | SvREFCNT_dec (req->sv2); |
|
|
690 | SvREFCNT_dec (req->sv3); |
|
|
691 | SvREFCNT_dec (req->sv4); |
|
|
692 | SvREFCNT_dec (req->callback); |
|
|
693 | |
|
|
694 | Safefree (req); |
|
|
695 | } |
|
|
696 | |
|
|
697 | static void |
|
|
698 | req_cancel_subs (aio_req grp) |
|
|
699 | { |
|
|
700 | if (grp->type != EIO_GROUP) |
|
|
701 | return; |
|
|
702 | |
|
|
703 | SvREFCNT_dec (grp->sv2); |
|
|
704 | grp->sv2 = 0; |
|
|
705 | |
|
|
706 | eio_grp_cancel (grp); |
|
|
707 | } |
|
|
708 | |
|
|
709 | static void ecb_cold |
|
|
710 | create_respipe (void) |
|
|
711 | { |
|
|
712 | if (s_epipe_renew (&respipe)) |
|
|
713 | croak ("IO::AIO: unable to initialize result pipe"); |
|
|
714 | } |
|
|
715 | |
|
|
716 | static void |
|
|
717 | poll_wait (void) |
|
|
718 | { |
|
|
719 | while (eio_nreqs ()) |
|
|
720 | { |
|
|
721 | int size; |
|
|
722 | |
|
|
723 | X_LOCK (reslock); |
|
|
724 | size = res_queue.size; |
|
|
725 | X_UNLOCK (reslock); |
|
|
726 | |
|
|
727 | if (size) |
|
|
728 | return; |
|
|
729 | |
|
|
730 | etp_maybe_start_thread (); |
|
|
731 | |
|
|
732 | s_epipe_wait (&respipe); |
|
|
733 | } |
|
|
734 | } |
|
|
735 | |
|
|
736 | static int |
|
|
737 | poll_cb (void) |
|
|
738 | { |
|
|
739 | for (;;) |
|
|
740 | { |
|
|
741 | int res = eio_poll (); |
|
|
742 | |
|
|
743 | if (res > 0) |
|
|
744 | croak (0); |
|
|
745 | |
|
|
746 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
747 | return res; |
|
|
748 | |
|
|
749 | poll_wait (); |
|
|
750 | } |
|
|
751 | } |
|
|
752 | |
|
|
753 | static void ecb_cold |
|
|
754 | reinit (void) |
|
|
755 | { |
|
|
756 | create_respipe (); |
|
|
757 | |
|
|
758 | if (eio_init (want_poll, done_poll) < 0) |
|
|
759 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
760 | } |
|
|
761 | |
|
|
762 | /*****************************************************************************/ |
|
|
763 | |
|
|
764 | #if !_POSIX_MAPPED_FILES |
|
|
765 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
|
|
766 | # define munmap(addr,length) (errno = ENOSYS, -1) |
|
|
767 | #endif |
|
|
768 | |
|
|
769 | #if !_POSIX_MEMORY_PROTECTION |
|
|
770 | # define mprotect(addr,len,prot) (errno = ENOSYS, -1) |
|
|
771 | # define PROT_NONE 0 |
|
|
772 | # define PROT_WRITE 0 |
|
|
773 | # define MAP_PRIVATE 0 |
|
|
774 | # define MAP_SHARED 0 |
|
|
775 | # define MAP_FIXED 0 |
|
|
776 | #endif |
|
|
777 | |
|
|
778 | #define MMAP_MAGIC PERL_MAGIC_ext |
|
|
779 | |
|
|
780 | static int ecb_cold |
|
|
781 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
782 | { |
|
|
783 | int old_errno = errno; |
|
|
784 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
785 | errno = old_errno; |
|
|
786 | |
|
|
787 | mg->mg_obj = 0; /* just in case */ |
|
|
788 | |
|
|
789 | SvREADONLY_off (sv); |
|
|
790 | |
|
|
791 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
792 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
793 | |
|
|
794 | SvCUR_set (sv, 0); |
|
|
795 | SvPVX (sv) = 0; |
|
|
796 | SvOK_off (sv); |
591 | |
797 | |
592 | return 0; |
798 | return 0; |
593 | } |
799 | } |
594 | |
800 | |
|
|
801 | static MGVTBL mmap_vtbl = { |
|
|
802 | 0, 0, 0, 0, mmap_free |
|
|
803 | }; |
|
|
804 | |
|
|
805 | /*****************************************************************************/ |
|
|
806 | |
|
|
807 | static SV * |
|
|
808 | get_cb (SV *cb_sv) |
|
|
809 | { |
|
|
810 | SvGETMAGIC (cb_sv); |
|
|
811 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
|
|
812 | } |
|
|
813 | |
595 | #define dREQ \ |
814 | #define dREQ \ |
|
|
815 | SV *cb_cv; \ |
596 | aio_req req; \ |
816 | aio_req req; \ |
|
|
817 | int req_pri = next_pri; \ |
|
|
818 | next_pri = EIO_PRI_DEFAULT; \ |
597 | \ |
819 | \ |
598 | if (SvOK (callback) && !SvROK (callback)) \ |
820 | cb_cv = get_cb (callback); \ |
599 | croak ("clalback must be undef or of reference type"); \ |
|
|
600 | \ |
821 | \ |
601 | Newz (0, req, 1, aio_cb); \ |
822 | Newz (0, req, 1, eio_req); \ |
602 | if (!req) \ |
823 | if (!req) \ |
603 | croak ("out of memory during aio_req allocation"); \ |
824 | croak ("out of memory during eio_req allocation"); \ |
604 | \ |
825 | \ |
605 | req->callback = newSVsv (callback); |
826 | req->callback = SvREFCNT_inc (cb_cv); \ |
606 | |
827 | req->pri = req_pri |
|
|
828 | |
|
|
829 | #define REQ_SEND \ |
|
|
830 | PUTBACK; \ |
|
|
831 | req_submit (req); \ |
|
|
832 | SPAGAIN; \ |
|
|
833 | \ |
|
|
834 | if (GIMME_V != G_VOID) \ |
|
|
835 | XPUSHs (req_sv (req, aio_req_stash)); |
|
|
836 | |
|
|
837 | ecb_inline void |
|
|
838 | req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
|
|
839 | { |
|
|
840 | if (expect_false (SvROK (path))) |
|
|
841 | { |
|
|
842 | AV *av = (AV *)SvRV (path); |
|
|
843 | SV *wdob; |
|
|
844 | |
|
|
845 | if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1) |
|
|
846 | croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs"); |
|
|
847 | |
|
|
848 | path = AvARRAY (av)[1]; |
|
|
849 | wdob = AvARRAY (av)[0]; |
|
|
850 | |
|
|
851 | if (SvOK (wdob)) |
|
|
852 | { |
|
|
853 | *wd = SvAIO_WD (wdob); |
|
|
854 | *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
|
|
855 | } |
|
|
856 | else |
|
|
857 | *wd = EIO_INVALID_WD; |
|
|
858 | } |
|
|
859 | |
|
|
860 | *pathsv = newSVsv (path); |
|
|
861 | *ptr = SvPVbyte_nolen (*pathsv); |
|
|
862 | } |
|
|
863 | |
|
|
864 | static void ecb_noinline |
|
|
865 | req_set_path1 (aio_req req, SV *path) |
|
|
866 | { |
|
|
867 | req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
|
|
868 | } |
|
|
869 | |
|
|
870 | static void ecb_noinline |
|
|
871 | req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
|
|
872 | { |
|
|
873 | SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
|
|
874 | |
|
|
875 | switch (SvTYPE (rv)) |
|
|
876 | { |
|
|
877 | case SVt_PVIO: |
|
|
878 | case SVt_PVLV: |
|
|
879 | case SVt_PVGV: |
|
|
880 | req->type = type_fh; |
|
|
881 | req->sv1 = newSVsv (fh_or_path); |
|
|
882 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
883 | break; |
|
|
884 | |
|
|
885 | default: |
|
|
886 | req->type = type_path; |
|
|
887 | req_set_path1 (req, fh_or_path); |
|
|
888 | break; |
|
|
889 | } |
|
|
890 | } |
|
|
891 | |
|
|
892 | XS(boot_IO__AIO) ecb_cold; |
|
|
893 | |
607 | MODULE = IO::AIO PACKAGE = IO::AIO |
894 | MODULE = IO::AIO PACKAGE = IO::AIO |
608 | |
895 | |
609 | PROTOTYPES: ENABLE |
896 | PROTOTYPES: ENABLE |
610 | |
897 | |
611 | BOOT: |
898 | BOOT: |
612 | { |
899 | { |
613 | create_pipe (); |
900 | static const struct { |
614 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
901 | const char *name; |
615 | } |
902 | IV iv; |
|
|
903 | } *civ, const_iv[] = { |
|
|
904 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
905 | # define const_iv(name) { # name, (IV) name }, |
|
|
906 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
|
|
907 | const_iv (EXDEV) |
|
|
908 | const_iv (ENOSYS) |
|
|
909 | const_iv (O_RDONLY) |
|
|
910 | const_iv (O_WRONLY) |
|
|
911 | const_iv (O_RDWR) |
|
|
912 | const_iv (O_CREAT) |
|
|
913 | const_iv (O_TRUNC) |
|
|
914 | const_iv (O_EXCL) |
|
|
915 | const_iv (O_APPEND) |
616 | |
916 | |
|
|
917 | const_iv (O_ASYNC) |
|
|
918 | const_iv (O_DIRECT) |
|
|
919 | const_iv (O_NOATIME) |
|
|
920 | |
|
|
921 | const_iv (O_CLOEXEC) |
|
|
922 | const_iv (O_NOCTTY) |
|
|
923 | const_iv (O_NOFOLLOW) |
|
|
924 | const_iv (O_NONBLOCK) |
|
|
925 | const_iv (O_EXEC) |
|
|
926 | const_iv (O_SEARCH) |
|
|
927 | const_iv (O_DIRECTORY) |
|
|
928 | const_iv (O_DSYNC) |
|
|
929 | const_iv (O_RSYNC) |
|
|
930 | const_iv (O_SYNC) |
|
|
931 | const_iv (O_TTY_INIT) |
|
|
932 | |
|
|
933 | const_iv (S_IFIFO) |
|
|
934 | const_iv (S_IFCHR) |
|
|
935 | const_iv (S_IFBLK) |
|
|
936 | const_iv (S_IFLNK) |
|
|
937 | const_iv (S_IFREG) |
|
|
938 | const_iv (S_IFDIR) |
|
|
939 | const_iv (S_IFWHT) |
|
|
940 | const_iv (S_IFSOCK) |
|
|
941 | const_iv (S_IFMT) |
|
|
942 | |
|
|
943 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
944 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
945 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
946 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
947 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
948 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
949 | |
|
|
950 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
951 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
952 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
953 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
954 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
955 | |
|
|
956 | const_iv (ST_RDONLY) |
|
|
957 | const_iv (ST_NOSUID) |
|
|
958 | const_iv (ST_NODEV) |
|
|
959 | const_iv (ST_NOEXEC) |
|
|
960 | const_iv (ST_SYNCHRONOUS) |
|
|
961 | const_iv (ST_MANDLOCK) |
|
|
962 | const_iv (ST_WRITE) |
|
|
963 | const_iv (ST_APPEND) |
|
|
964 | const_iv (ST_IMMUTABLE) |
|
|
965 | const_iv (ST_NOATIME) |
|
|
966 | const_iv (ST_NODIRATIME) |
|
|
967 | const_iv (ST_RELATIME) |
|
|
968 | |
|
|
969 | const_iv (PROT_NONE) |
|
|
970 | const_iv (PROT_EXEC) |
|
|
971 | const_iv (PROT_READ) |
|
|
972 | const_iv (PROT_WRITE) |
|
|
973 | |
|
|
974 | /*const_iv (MAP_FIXED)*/ |
|
|
975 | const_iv (MAP_PRIVATE) |
|
|
976 | const_iv (MAP_SHARED) |
|
|
977 | const_iv (MAP_ANONYMOUS) |
|
|
978 | |
|
|
979 | /* linuxish */ |
|
|
980 | const_iv (MAP_HUGETLB) |
|
|
981 | const_iv (MAP_LOCKED) |
|
|
982 | const_iv (MAP_NORESERVE) |
|
|
983 | const_iv (MAP_POPULATE) |
|
|
984 | const_iv (MAP_NONBLOCK) |
|
|
985 | |
|
|
986 | const_eio (MCL_FUTURE) |
|
|
987 | const_eio (MCL_CURRENT) |
|
|
988 | |
|
|
989 | const_eio (MS_ASYNC) |
|
|
990 | const_eio (MS_INVALIDATE) |
|
|
991 | const_eio (MS_SYNC) |
|
|
992 | |
|
|
993 | const_eio (MT_MODIFY) |
|
|
994 | |
|
|
995 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
996 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
997 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
998 | |
|
|
999 | const_eio (FALLOC_FL_KEEP_SIZE) |
|
|
1000 | |
|
|
1001 | const_eio (READDIR_DENTS) |
|
|
1002 | const_eio (READDIR_DIRS_FIRST) |
|
|
1003 | const_eio (READDIR_STAT_ORDER) |
|
|
1004 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
1005 | |
|
|
1006 | const_eio (DT_UNKNOWN) |
|
|
1007 | const_eio (DT_FIFO) |
|
|
1008 | const_eio (DT_CHR) |
|
|
1009 | const_eio (DT_DIR) |
|
|
1010 | const_eio (DT_BLK) |
|
|
1011 | const_eio (DT_REG) |
|
|
1012 | const_eio (DT_LNK) |
|
|
1013 | const_eio (DT_SOCK) |
|
|
1014 | const_eio (DT_WHT) |
|
|
1015 | }; |
|
|
1016 | |
|
|
1017 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
1018 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
1019 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
|
|
1020 | aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
|
|
1021 | |
|
|
1022 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
|
|
1023 | newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
|
|
1024 | |
|
|
1025 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
|
|
1026 | |
|
|
1027 | reinit (); |
|
|
1028 | } |
|
|
1029 | |
617 | void |
1030 | void |
618 | min_parallel(nthreads) |
1031 | reinit () |
619 | int nthreads |
1032 | PROTOTYPE: |
|
|
1033 | |
|
|
1034 | void |
|
|
1035 | max_poll_reqs (unsigned int nreqs) |
620 | PROTOTYPE: $ |
1036 | PROTOTYPE: $ |
|
|
1037 | CODE: |
|
|
1038 | eio_set_max_poll_reqs (nreqs); |
621 | |
1039 | |
622 | void |
1040 | void |
623 | max_parallel(nthreads) |
1041 | max_poll_time (double nseconds) |
624 | int nthreads |
|
|
625 | PROTOTYPE: $ |
1042 | PROTOTYPE: $ |
626 | |
|
|
627 | int |
|
|
628 | max_outstanding(nreqs) |
|
|
629 | int nreqs |
|
|
630 | PROTOTYPE: $ |
|
|
631 | CODE: |
1043 | CODE: |
632 | RETVAL = max_outstanding; |
1044 | eio_set_max_poll_time (nseconds); |
|
|
1045 | |
|
|
1046 | void |
|
|
1047 | min_parallel (unsigned int nthreads) |
|
|
1048 | PROTOTYPE: $ |
|
|
1049 | CODE: |
|
|
1050 | eio_set_min_parallel (nthreads); |
|
|
1051 | |
|
|
1052 | void |
|
|
1053 | max_parallel (unsigned int nthreads) |
|
|
1054 | PROTOTYPE: $ |
|
|
1055 | CODE: |
|
|
1056 | eio_set_max_parallel (nthreads); |
|
|
1057 | |
|
|
1058 | void |
|
|
1059 | max_idle (unsigned int nthreads) |
|
|
1060 | PROTOTYPE: $ |
|
|
1061 | CODE: |
|
|
1062 | eio_set_max_idle (nthreads); |
|
|
1063 | |
|
|
1064 | void |
|
|
1065 | idle_timeout (unsigned int seconds) |
|
|
1066 | PROTOTYPE: $ |
|
|
1067 | CODE: |
|
|
1068 | eio_set_idle_timeout (seconds); |
|
|
1069 | |
|
|
1070 | void |
|
|
1071 | max_outstanding (unsigned int maxreqs) |
|
|
1072 | PROTOTYPE: $ |
|
|
1073 | CODE: |
633 | max_outstanding = nreqs; |
1074 | max_outstanding = maxreqs; |
634 | |
1075 | |
635 | void |
1076 | void |
636 | aio_open(pathname,flags,mode,callback=&PL_sv_undef) |
1077 | aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) |
637 | SV * pathname |
|
|
638 | int flags |
|
|
639 | int mode |
|
|
640 | SV * callback |
|
|
641 | PROTOTYPE: $$$;$ |
|
|
642 | CODE: |
1078 | PPCODE: |
643 | { |
1079 | { |
644 | dREQ; |
1080 | dREQ; |
645 | |
1081 | |
|
|
1082 | req->type = EIO_WD_OPEN; |
|
|
1083 | req_set_path1 (req, pathname); |
|
|
1084 | |
|
|
1085 | REQ_SEND; |
|
|
1086 | } |
|
|
1087 | |
|
|
1088 | void |
|
|
1089 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
|
|
1090 | PPCODE: |
|
|
1091 | { |
|
|
1092 | dREQ; |
|
|
1093 | |
646 | req->type = REQ_OPEN; |
1094 | req->type = EIO_OPEN; |
647 | req->data = newSVsv (pathname); |
1095 | req_set_path1 (req, pathname); |
648 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
649 | req->fd = flags; |
1096 | req->int1 = flags; |
650 | req->mode = mode; |
1097 | req->int2 = mode; |
651 | |
1098 | |
652 | send_req (req); |
1099 | REQ_SEND; |
653 | } |
1100 | } |
654 | |
1101 | |
655 | void |
1102 | void |
656 | aio_close(fh,callback=&PL_sv_undef) |
1103 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
657 | SV * fh |
|
|
658 | SV * callback |
|
|
659 | PROTOTYPE: $;$ |
|
|
660 | ALIAS: |
1104 | ALIAS: |
661 | aio_close = REQ_CLOSE |
|
|
662 | aio_fsync = REQ_FSYNC |
1105 | aio_fsync = EIO_FSYNC |
663 | aio_fdatasync = REQ_FDATASYNC |
1106 | aio_fdatasync = EIO_FDATASYNC |
|
|
1107 | aio_syncfs = EIO_SYNCFS |
664 | CODE: |
1108 | PPCODE: |
665 | { |
1109 | { |
|
|
1110 | int fd = s_fileno_croak (fh, 0); |
666 | dREQ; |
1111 | dREQ; |
667 | |
1112 | |
668 | req->type = ix; |
1113 | req->type = ix; |
669 | req->fh = newSVsv (fh); |
1114 | req->sv1 = newSVsv (fh); |
670 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1115 | req->int1 = fd; |
671 | |
1116 | |
672 | send_req (req); |
1117 | REQ_SEND (req); |
673 | } |
1118 | } |
674 | |
1119 | |
675 | void |
1120 | void |
|
|
1121 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
|
|
1122 | PPCODE: |
|
|
1123 | { |
|
|
1124 | int fd = s_fileno_croak (fh, 0); |
|
|
1125 | dREQ; |
|
|
1126 | |
|
|
1127 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
1128 | req->sv1 = newSVsv (fh); |
|
|
1129 | req->int1 = fd; |
|
|
1130 | req->offs = offset; |
|
|
1131 | req->size = nbytes; |
|
|
1132 | req->int2 = flags; |
|
|
1133 | |
|
|
1134 | REQ_SEND (req); |
|
|
1135 | } |
|
|
1136 | |
|
|
1137 | void |
|
|
1138 | aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) |
|
|
1139 | PPCODE: |
|
|
1140 | { |
|
|
1141 | int fd = s_fileno_croak (fh, 0); |
|
|
1142 | dREQ; |
|
|
1143 | |
|
|
1144 | req->type = EIO_FALLOCATE; |
|
|
1145 | req->sv1 = newSVsv (fh); |
|
|
1146 | req->int1 = fd; |
|
|
1147 | req->int2 = mode; |
|
|
1148 | req->offs = offset; |
|
|
1149 | req->size = len; |
|
|
1150 | |
|
|
1151 | REQ_SEND (req); |
|
|
1152 | } |
|
|
1153 | |
|
|
1154 | void |
|
|
1155 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
1156 | PPCODE: |
|
|
1157 | { |
|
|
1158 | static int close_fd = -1; /* dummy fd to close fds via dup2 */ |
|
|
1159 | int fd = s_fileno_croak (fh, 0); |
|
|
1160 | dREQ; |
|
|
1161 | |
|
|
1162 | if (expect_false (close_fd < 0)) |
|
|
1163 | { |
|
|
1164 | int pipefd [2]; |
|
|
1165 | |
|
|
1166 | if ( |
|
|
1167 | #ifdef _WIN32 |
|
|
1168 | _pipe (pipefd, 1, _O_BINARY) < 0 |
|
|
1169 | #else |
|
|
1170 | pipe (pipefd) < 0 |
|
|
1171 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
|
|
1172 | #endif |
|
|
1173 | || close (pipefd [1]) < 0 |
|
|
1174 | ) |
|
|
1175 | abort (); /*D*/ |
|
|
1176 | |
|
|
1177 | close_fd = pipefd [0]; |
|
|
1178 | } |
|
|
1179 | |
|
|
1180 | req->type = EIO_DUP2; |
|
|
1181 | req->int1 = close_fd; |
|
|
1182 | req->sv2 = newSVsv (fh); |
|
|
1183 | req->int2 = fd; |
|
|
1184 | |
|
|
1185 | REQ_SEND (req); |
|
|
1186 | } |
|
|
1187 | |
|
|
1188 | void |
676 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1189 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
677 | SV * fh |
|
|
678 | UV offset |
|
|
679 | UV length |
|
|
680 | SV * data |
|
|
681 | UV dataoffset |
|
|
682 | SV * callback |
|
|
683 | ALIAS: |
1190 | ALIAS: |
684 | aio_read = REQ_READ |
1191 | aio_read = EIO_READ |
685 | aio_write = REQ_WRITE |
1192 | aio_write = EIO_WRITE |
686 | PROTOTYPE: $$$$$;$ |
|
|
687 | CODE: |
1193 | PPCODE: |
688 | { |
1194 | { |
689 | aio_req req; |
|
|
690 | STRLEN svlen; |
1195 | STRLEN svlen; |
|
|
1196 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
691 | char *svptr = SvPVbyte (data, svlen); |
1197 | char *svptr = SvPVbyte (data, svlen); |
692 | |
1198 | UV len = SvUV (length); |
693 | SvUPGRADE (data, SVt_PV); |
|
|
694 | SvPOK_on (data); |
|
|
695 | |
1199 | |
696 | if (dataoffset < 0) |
1200 | if (dataoffset < 0) |
697 | dataoffset += svlen; |
1201 | dataoffset += svlen; |
698 | |
1202 | |
699 | if (dataoffset < 0 || dataoffset > svlen) |
1203 | if (dataoffset < 0 || dataoffset > svlen) |
700 | croak ("data offset outside of string"); |
1204 | croak ("dataoffset outside of data scalar"); |
701 | |
1205 | |
702 | if (ix == REQ_WRITE) |
1206 | if (ix == EIO_WRITE) |
703 | { |
1207 | { |
704 | /* write: check length and adjust. */ |
1208 | /* write: check length and adjust. */ |
705 | if (length < 0 || length + dataoffset > svlen) |
1209 | if (!SvOK (length) || len + dataoffset > svlen) |
706 | length = svlen - dataoffset; |
1210 | len = svlen - dataoffset; |
707 | } |
1211 | } |
708 | else |
1212 | else |
709 | { |
1213 | { |
710 | /* read: grow scalar as necessary */ |
1214 | /* read: check type and grow scalar as necessary */ |
|
|
1215 | SvUPGRADE (data, SVt_PV); |
711 | svptr = SvGROW (data, length + dataoffset); |
1216 | svptr = SvGROW (data, len + dataoffset + 1); |
712 | } |
1217 | } |
713 | |
|
|
714 | if (length < 0) |
|
|
715 | croak ("length must not be negative"); |
|
|
716 | |
1218 | |
717 | { |
1219 | { |
718 | dREQ; |
1220 | dREQ; |
719 | |
1221 | |
720 | req->type = ix; |
1222 | req->type = ix; |
721 | req->fh = newSVsv (fh); |
1223 | req->sv1 = newSVsv (fh); |
722 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1224 | req->int1 = fd; |
723 | : IoOFP (sv_2io (fh))); |
1225 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
724 | req->offset = offset; |
1226 | req->size = len; |
725 | req->length = length; |
|
|
726 | req->data = SvREFCNT_inc (data); |
1227 | req->sv2 = SvREFCNT_inc (data); |
727 | req->dataptr = (char *)svptr + dataoffset; |
1228 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
1229 | req->stroffset = dataoffset; |
728 | |
1230 | |
729 | if (!SvREADONLY (data)) |
1231 | if (!SvREADONLY (data)) |
730 | { |
1232 | { |
731 | SvREADONLY_on (data); |
1233 | SvREADONLY_on (data); |
732 | req->data2ptr = (void *)data; |
1234 | req->flags |= FLAG_SV2_RO_OFF; |
733 | } |
1235 | } |
734 | |
1236 | |
735 | send_req (req); |
1237 | REQ_SEND; |
736 | } |
1238 | } |
737 | } |
1239 | } |
738 | |
1240 | |
739 | void |
1241 | void |
740 | aio_sendfile(out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1242 | aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
741 | SV * out_fh |
1243 | ALIAS: |
742 | SV * in_fh |
1244 | aio_readlink = EIO_READLINK |
743 | UV in_offset |
1245 | aio_realpath = EIO_REALPATH |
744 | UV length |
|
|
745 | SV * callback |
|
|
746 | PROTOTYPE: $$$$;$ |
|
|
747 | CODE: |
1246 | PPCODE: |
748 | { |
1247 | { |
|
|
1248 | dREQ; |
|
|
1249 | |
|
|
1250 | req->type = ix; |
|
|
1251 | req_set_path1 (req, pathname); |
|
|
1252 | |
|
|
1253 | REQ_SEND; |
|
|
1254 | } |
|
|
1255 | |
|
|
1256 | void |
|
|
1257 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
|
|
1258 | PPCODE: |
|
|
1259 | { |
|
|
1260 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
1261 | int ofd = s_fileno_croak (out_fh, 1); |
749 | dREQ; |
1262 | dREQ; |
750 | |
1263 | |
751 | req->type = REQ_SENDFILE; |
1264 | req->type = EIO_SENDFILE; |
752 | req->fh = newSVsv (out_fh); |
1265 | req->sv1 = newSVsv (out_fh); |
753 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1266 | req->int1 = ofd; |
754 | req->fh2 = newSVsv (in_fh); |
1267 | req->sv2 = newSVsv (in_fh); |
755 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1268 | req->int2 = ifd; |
756 | req->offset = in_offset; |
1269 | req->offs = in_offset; |
757 | req->length = length; |
1270 | req->size = length; |
758 | |
1271 | |
759 | send_req (req); |
1272 | REQ_SEND; |
760 | } |
1273 | } |
761 | |
1274 | |
762 | void |
1275 | void |
763 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
1276 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
764 | SV * fh |
|
|
765 | UV offset |
|
|
766 | IV length |
|
|
767 | SV * callback |
|
|
768 | PROTOTYPE: $$$;$ |
|
|
769 | CODE: |
1277 | PPCODE: |
770 | { |
1278 | { |
|
|
1279 | int fd = s_fileno_croak (fh, 0); |
771 | dREQ; |
1280 | dREQ; |
772 | |
1281 | |
773 | req->type = REQ_READAHEAD; |
1282 | req->type = EIO_READAHEAD; |
774 | req->fh = newSVsv (fh); |
1283 | req->sv1 = newSVsv (fh); |
775 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1284 | req->int1 = fd; |
776 | req->offset = offset; |
1285 | req->offs = offset; |
777 | req->length = length; |
1286 | req->size = length; |
778 | |
1287 | |
779 | send_req (req); |
1288 | REQ_SEND; |
780 | } |
1289 | } |
781 | |
1290 | |
782 | void |
1291 | void |
783 | aio_stat(fh_or_path,callback=&PL_sv_undef) |
1292 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
784 | SV * fh_or_path |
|
|
785 | SV * callback |
|
|
786 | ALIAS: |
1293 | ALIAS: |
787 | aio_stat = REQ_STAT |
1294 | aio_stat = EIO_STAT |
788 | aio_lstat = REQ_LSTAT |
1295 | aio_lstat = EIO_LSTAT |
|
|
1296 | aio_statvfs = EIO_STATVFS |
789 | CODE: |
1297 | PPCODE: |
790 | { |
1298 | { |
791 | dREQ; |
1299 | dREQ; |
792 | |
1300 | |
793 | New (0, req->statdata, 1, Stat_t); |
|
|
794 | if (!req->statdata) |
|
|
795 | { |
|
|
796 | free_req (req); |
|
|
797 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
798 | } |
|
|
799 | |
|
|
800 | if (SvPOK (fh_or_path)) |
|
|
801 | { |
|
|
802 | req->type = ix; |
|
|
803 | req->data = newSVsv (fh_or_path); |
|
|
804 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
805 | } |
|
|
806 | else |
|
|
807 | { |
|
|
808 | req->type = REQ_FSTAT; |
|
|
809 | req->fh = newSVsv (fh_or_path); |
1301 | req->sv1 = newSVsv (fh_or_path); |
810 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1302 | req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
811 | } |
1303 | REQ_SEND; |
812 | |
|
|
813 | send_req (req); |
|
|
814 | } |
1304 | } |
815 | |
1305 | |
|
|
1306 | UV |
|
|
1307 | major (UV dev) |
|
|
1308 | ALIAS: |
|
|
1309 | minor = 1 |
|
|
1310 | CODE: |
|
|
1311 | RETVAL = ix ? major (dev) : minor (dev); |
|
|
1312 | OUTPUT: |
|
|
1313 | RETVAL |
|
|
1314 | |
|
|
1315 | UV |
|
|
1316 | makedev (UV maj, UV min) |
|
|
1317 | CODE: |
|
|
1318 | RETVAL = makedev (maj, min); |
|
|
1319 | OUTPUT: |
|
|
1320 | RETVAL |
|
|
1321 | |
816 | void |
1322 | void |
|
|
1323 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
1324 | PPCODE: |
|
|
1325 | { |
|
|
1326 | dREQ; |
|
|
1327 | |
|
|
1328 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1329 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1330 | req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
|
|
1331 | |
|
|
1332 | REQ_SEND; |
|
|
1333 | } |
|
|
1334 | |
|
|
1335 | void |
|
|
1336 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
1337 | PPCODE: |
|
|
1338 | { |
|
|
1339 | dREQ; |
|
|
1340 | |
|
|
1341 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1342 | req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
|
|
1343 | |
|
|
1344 | REQ_SEND; |
|
|
1345 | } |
|
|
1346 | |
|
|
1347 | void |
|
|
1348 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
1349 | PPCODE: |
|
|
1350 | { |
|
|
1351 | dREQ; |
|
|
1352 | |
|
|
1353 | req->int2 = mode; |
|
|
1354 | req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
|
|
1355 | |
|
|
1356 | REQ_SEND; |
|
|
1357 | } |
|
|
1358 | |
|
|
1359 | void |
|
|
1360 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
1361 | PPCODE: |
|
|
1362 | { |
|
|
1363 | dREQ; |
|
|
1364 | |
|
|
1365 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1366 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1367 | req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
|
|
1368 | |
|
|
1369 | REQ_SEND; |
|
|
1370 | } |
|
|
1371 | |
|
|
1372 | void |
|
|
1373 | aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
|
|
1374 | PPCODE: |
|
|
1375 | { |
|
|
1376 | dREQ; |
|
|
1377 | |
|
|
1378 | req->type = EIO_READDIR; |
|
|
1379 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1380 | |
|
|
1381 | if (flags & EIO_READDIR_DENTS) |
|
|
1382 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1383 | |
|
|
1384 | req_set_path1 (req, pathname); |
|
|
1385 | |
|
|
1386 | REQ_SEND; |
|
|
1387 | } |
|
|
1388 | |
|
|
1389 | void |
|
|
1390 | aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
|
|
1391 | PPCODE: |
|
|
1392 | { |
|
|
1393 | dREQ; |
|
|
1394 | |
|
|
1395 | req->type = EIO_MKDIR; |
|
|
1396 | req->int2 = mode; |
|
|
1397 | req_set_path1 (req, pathname); |
|
|
1398 | |
|
|
1399 | REQ_SEND; |
|
|
1400 | } |
|
|
1401 | |
|
|
1402 | void |
817 | aio_unlink(pathname,callback=&PL_sv_undef) |
1403 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
818 | SV * pathname |
|
|
819 | SV * callback |
|
|
820 | ALIAS: |
1404 | ALIAS: |
821 | aio_unlink = REQ_UNLINK |
1405 | aio_unlink = EIO_UNLINK |
822 | aio_rmdir = REQ_RMDIR |
1406 | aio_rmdir = EIO_RMDIR |
|
|
1407 | aio_readdir = EIO_READDIR |
823 | CODE: |
1408 | PPCODE: |
824 | { |
1409 | { |
825 | dREQ; |
1410 | dREQ; |
826 | |
1411 | |
827 | req->type = ix; |
1412 | req->type = ix; |
828 | req->data = newSVsv (pathname); |
1413 | req_set_path1 (req, pathname); |
829 | req->dataptr = SvPVbyte_nolen (req->data); |
1414 | |
|
|
1415 | REQ_SEND; |
|
|
1416 | } |
|
|
1417 | |
|
|
1418 | void |
|
|
1419 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
|
|
1420 | ALIAS: |
|
|
1421 | aio_link = EIO_LINK |
|
|
1422 | aio_symlink = EIO_SYMLINK |
|
|
1423 | aio_rename = EIO_RENAME |
|
|
1424 | PPCODE: |
|
|
1425 | { |
|
|
1426 | dREQ; |
|
|
1427 | eio_wd wd2 = 0; |
830 | |
1428 | |
831 | send_req (req); |
1429 | req->type = ix; |
|
|
1430 | req_set_path1 (req, oldpath); |
|
|
1431 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
|
|
1432 | req->int3 = (long)wd2; |
|
|
1433 | |
|
|
1434 | REQ_SEND; |
832 | } |
1435 | } |
833 | |
1436 | |
834 | void |
1437 | void |
835 | aio_symlink(oldpath,newpath,callback=&PL_sv_undef) |
1438 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
836 | SV * oldpath |
|
|
837 | SV * newpath |
|
|
838 | SV * callback |
|
|
839 | CODE: |
1439 | PPCODE: |
840 | { |
1440 | { |
841 | dREQ; |
1441 | dREQ; |
842 | |
1442 | |
843 | req->type = REQ_SYMLINK; |
1443 | req->type = EIO_MKNOD; |
844 | req->fh = newSVsv (oldpath); |
1444 | req->int2 = (mode_t)mode; |
845 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1445 | req->offs = dev; |
846 | req->data = newSVsv (newpath); |
1446 | req_set_path1 (req, pathname); |
847 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
848 | |
1447 | |
849 | send_req (req); |
1448 | REQ_SEND; |
850 | } |
1449 | } |
851 | |
1450 | |
852 | void |
1451 | void |
|
|
1452 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
|
|
1453 | ALIAS: |
|
|
1454 | aio_mtouch = EIO_MTOUCH |
|
|
1455 | aio_msync = EIO_MSYNC |
|
|
1456 | PPCODE: |
|
|
1457 | { |
|
|
1458 | STRLEN svlen; |
|
|
1459 | char *svptr = SvPVbyte (data, svlen); |
|
|
1460 | UV len = SvUV (length); |
|
|
1461 | |
|
|
1462 | if (offset < 0) |
|
|
1463 | offset += svlen; |
|
|
1464 | |
|
|
1465 | if (offset < 0 || offset > svlen) |
|
|
1466 | croak ("offset outside of scalar"); |
|
|
1467 | |
|
|
1468 | if (!SvOK (length) || len + offset > svlen) |
|
|
1469 | len = svlen - offset; |
|
|
1470 | |
|
|
1471 | { |
|
|
1472 | dREQ; |
|
|
1473 | |
|
|
1474 | req->type = ix; |
|
|
1475 | req->sv2 = SvREFCNT_inc (data); |
|
|
1476 | req->ptr2 = (char *)svptr + offset; |
|
|
1477 | req->size = len; |
|
|
1478 | req->int1 = flags; |
|
|
1479 | |
|
|
1480 | REQ_SEND; |
|
|
1481 | } |
|
|
1482 | } |
|
|
1483 | |
|
|
1484 | void |
|
|
1485 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) |
|
|
1486 | PPCODE: |
|
|
1487 | { |
|
|
1488 | STRLEN svlen; |
|
|
1489 | char *svptr = SvPVbyte (data, svlen); |
|
|
1490 | UV len = SvUV (length); |
|
|
1491 | |
|
|
1492 | if (offset < 0) |
|
|
1493 | offset += svlen; |
|
|
1494 | |
|
|
1495 | if (offset < 0 || offset > svlen) |
|
|
1496 | croak ("offset outside of scalar"); |
|
|
1497 | |
|
|
1498 | if (!SvOK (length) || len + offset > svlen) |
|
|
1499 | len = svlen - offset; |
|
|
1500 | |
|
|
1501 | { |
|
|
1502 | dREQ; |
|
|
1503 | |
|
|
1504 | req->type = EIO_MLOCK; |
|
|
1505 | req->sv2 = SvREFCNT_inc (data); |
|
|
1506 | req->ptr2 = (char *)svptr + offset; |
|
|
1507 | req->size = len; |
|
|
1508 | |
|
|
1509 | REQ_SEND; |
|
|
1510 | } |
|
|
1511 | } |
|
|
1512 | |
|
|
1513 | void |
|
|
1514 | aio_mlockall (IV flags, SV *callback=&PL_sv_undef) |
|
|
1515 | PPCODE: |
|
|
1516 | { |
|
|
1517 | dREQ; |
|
|
1518 | |
|
|
1519 | req->type = EIO_MLOCKALL; |
|
|
1520 | req->int1 = flags; |
|
|
1521 | |
|
|
1522 | REQ_SEND; |
|
|
1523 | } |
|
|
1524 | |
|
|
1525 | void |
|
|
1526 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
|
|
1527 | PPCODE: |
|
|
1528 | { |
|
|
1529 | dREQ; |
|
|
1530 | |
|
|
1531 | req->type = EIO_BUSY; |
|
|
1532 | req->nv1 = delay < 0. ? 0. : delay; |
|
|
1533 | |
|
|
1534 | REQ_SEND; |
|
|
1535 | } |
|
|
1536 | |
|
|
1537 | void |
|
|
1538 | aio_group (SV *callback=&PL_sv_undef) |
|
|
1539 | PPCODE: |
|
|
1540 | { |
|
|
1541 | dREQ; |
|
|
1542 | |
|
|
1543 | req->type = EIO_GROUP; |
|
|
1544 | |
|
|
1545 | req_submit (req); |
|
|
1546 | XPUSHs (req_sv (req, aio_grp_stash)); |
|
|
1547 | } |
|
|
1548 | |
|
|
1549 | void |
|
|
1550 | aio_nop (SV *callback=&PL_sv_undef) |
|
|
1551 | ALIAS: |
|
|
1552 | aio_nop = EIO_NOP |
|
|
1553 | aio_sync = EIO_SYNC |
|
|
1554 | PPCODE: |
|
|
1555 | { |
|
|
1556 | dREQ; |
|
|
1557 | |
|
|
1558 | req->type = ix; |
|
|
1559 | |
|
|
1560 | REQ_SEND; |
|
|
1561 | } |
|
|
1562 | |
|
|
1563 | int |
|
|
1564 | aioreq_pri (int pri = 0) |
|
|
1565 | CODE: |
|
|
1566 | RETVAL = next_pri; |
|
|
1567 | if (items > 0) |
|
|
1568 | { |
|
|
1569 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
|
|
1570 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
|
|
1571 | next_pri = pri; |
|
|
1572 | } |
|
|
1573 | OUTPUT: |
|
|
1574 | RETVAL |
|
|
1575 | |
|
|
1576 | void |
|
|
1577 | aioreq_nice (int nice = 0) |
|
|
1578 | CODE: |
|
|
1579 | nice = next_pri - nice; |
|
|
1580 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
|
|
1581 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
|
|
1582 | next_pri = nice; |
|
|
1583 | |
|
|
1584 | void |
853 | flush() |
1585 | flush () |
854 | PROTOTYPE: |
|
|
855 | CODE: |
1586 | CODE: |
856 | while (nreqs) |
1587 | while (eio_nreqs ()) |
857 | { |
1588 | { |
858 | poll_wait (); |
1589 | poll_wait (); |
859 | poll_cb (); |
1590 | poll_cb (); |
860 | } |
1591 | } |
861 | |
1592 | |
862 | void |
|
|
863 | poll() |
|
|
864 | PROTOTYPE: |
|
|
865 | CODE: |
|
|
866 | if (nreqs) |
|
|
867 | { |
|
|
868 | poll_wait (); |
|
|
869 | poll_cb (); |
|
|
870 | } |
|
|
871 | |
|
|
872 | int |
1593 | int |
873 | poll_fileno() |
1594 | poll () |
874 | PROTOTYPE: |
|
|
875 | CODE: |
1595 | CODE: |
876 | RETVAL = respipe [0]; |
1596 | poll_wait (); |
877 | OUTPUT: |
|
|
878 | RETVAL |
|
|
879 | |
|
|
880 | int |
|
|
881 | poll_cb(...) |
|
|
882 | PROTOTYPE: |
|
|
883 | CODE: |
|
|
884 | RETVAL = poll_cb (); |
1597 | RETVAL = poll_cb (); |
885 | OUTPUT: |
1598 | OUTPUT: |
886 | RETVAL |
1599 | RETVAL |
887 | |
1600 | |
888 | void |
|
|
889 | poll_wait() |
|
|
890 | PROTOTYPE: |
|
|
891 | CODE: |
|
|
892 | if (nreqs) |
|
|
893 | poll_wait (); |
|
|
894 | |
|
|
895 | int |
1601 | int |
896 | nreqs() |
1602 | poll_fileno () |
897 | PROTOTYPE: |
|
|
898 | CODE: |
1603 | CODE: |
899 | RETVAL = nreqs; |
1604 | RETVAL = s_epipe_fd (&respipe); |
900 | OUTPUT: |
1605 | OUTPUT: |
901 | RETVAL |
1606 | RETVAL |
902 | |
1607 | |
|
|
1608 | int |
|
|
1609 | poll_cb (...) |
|
|
1610 | PROTOTYPE: |
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|
1611 | CODE: |
|
|
1612 | RETVAL = poll_cb (); |
|
|
1613 | OUTPUT: |
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|
1614 | RETVAL |
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|
1615 | |
|
|
1616 | void |
|
|
1617 | poll_wait () |
|
|
1618 | CODE: |
|
|
1619 | poll_wait (); |
|
|
1620 | |
|
|
1621 | int |
|
|
1622 | nreqs () |
|
|
1623 | CODE: |
|
|
1624 | RETVAL = eio_nreqs (); |
|
|
1625 | OUTPUT: |
|
|
1626 | RETVAL |
|
|
1627 | |
|
|
1628 | int |
|
|
1629 | nready () |
|
|
1630 | CODE: |
|
|
1631 | RETVAL = eio_nready (); |
|
|
1632 | OUTPUT: |
|
|
1633 | RETVAL |
|
|
1634 | |
|
|
1635 | int |
|
|
1636 | npending () |
|
|
1637 | CODE: |
|
|
1638 | RETVAL = eio_npending (); |
|
|
1639 | OUTPUT: |
|
|
1640 | RETVAL |
|
|
1641 | |
|
|
1642 | int |
|
|
1643 | nthreads () |
|
|
1644 | CODE: |
|
|
1645 | RETVAL = eio_nthreads (); |
|
|
1646 | OUTPUT: |
|
|
1647 | RETVAL |
|
|
1648 | |
|
|
1649 | int |
|
|
1650 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
1651 | CODE: |
|
|
1652 | RETVAL = posix_fadvise (fh, offset, length, advice); |
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|
1653 | OUTPUT: |
|
|
1654 | RETVAL |
|
|
1655 | |
|
|
1656 | IV |
|
|
1657 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
1658 | CODE: |
|
|
1659 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1660 | OUTPUT: |
|
|
1661 | RETVAL |
|
|
1662 | |
|
|
1663 | void |
|
|
1664 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
|
|
1665 | PPCODE: |
|
|
1666 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1667 | { |
|
|
1668 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1669 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1670 | if (addr == (void *)-1) |
|
|
1671 | XSRETURN_NO; |
|
|
1672 | |
|
|
1673 | sv_force_normal (scalar); |
|
|
1674 | |
|
|
1675 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1676 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1677 | ->mg_obj = (SV *)length; |
|
|
1678 | |
|
|
1679 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1680 | |
|
|
1681 | if (!(prot & PROT_WRITE)) |
|
|
1682 | SvREADONLY_on (scalar); |
|
|
1683 | |
|
|
1684 | if (SvLEN (scalar)) |
|
|
1685 | Safefree (SvPVX (scalar)); |
|
|
1686 | |
|
|
1687 | SvPVX (scalar) = (char *)addr; |
|
|
1688 | SvCUR_set (scalar, length); |
|
|
1689 | SvLEN_set (scalar, 0); |
|
|
1690 | SvPOK_only (scalar); |
|
|
1691 | |
|
|
1692 | XSRETURN_YES; |
|
|
1693 | } |
|
|
1694 | |
|
|
1695 | void |
|
|
1696 | munmap (SV *scalar) |
|
|
1697 | CODE: |
|
|
1698 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1699 | |
|
|
1700 | int |
|
|
1701 | madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
1702 | ALIAS: |
|
|
1703 | mprotect = 1 |
|
|
1704 | CODE: |
|
|
1705 | { |
|
|
1706 | STRLEN svlen; |
|
|
1707 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1708 | size_t len = SvUV (length); |
|
|
1709 | |
|
|
1710 | if (offset < 0) |
|
|
1711 | offset += svlen; |
|
|
1712 | |
|
|
1713 | if (offset < 0 || offset > svlen) |
|
|
1714 | croak ("offset outside of scalar"); |
|
|
1715 | |
|
|
1716 | if (!SvOK (length) || len + offset > svlen) |
|
|
1717 | len = svlen - offset; |
|
|
1718 | |
|
|
1719 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1720 | eio_page_align (&addr, &len); |
|
|
1721 | |
|
|
1722 | switch (ix) |
|
|
1723 | { |
|
|
1724 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
1725 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
1726 | } |
|
|
1727 | } |
|
|
1728 | OUTPUT: |
|
|
1729 | RETVAL |
|
|
1730 | |
|
|
1731 | int |
|
|
1732 | munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) |
|
|
1733 | CODE: |
|
|
1734 | { |
|
|
1735 | STRLEN svlen; |
|
|
1736 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1737 | size_t len = SvUV (length); |
|
|
1738 | |
|
|
1739 | if (offset < 0) |
|
|
1740 | offset += svlen; |
|
|
1741 | |
|
|
1742 | if (offset < 0 || offset > svlen) |
|
|
1743 | croak ("offset outside of scalar"); |
|
|
1744 | |
|
|
1745 | if (!SvOK (length) || len + offset > svlen) |
|
|
1746 | len = svlen - offset; |
|
|
1747 | |
|
|
1748 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1749 | eio_page_align (&addr, &len); |
|
|
1750 | #if _POSIX_MEMLOCK_RANGE |
|
|
1751 | RETVAL = munlock (addr, len); |
|
|
1752 | #else |
|
|
1753 | RETVAL = ((errno = ENOSYS), -1); |
|
|
1754 | #endif |
|
|
1755 | } |
|
|
1756 | OUTPUT: |
|
|
1757 | RETVAL |
|
|
1758 | |
|
|
1759 | int |
|
|
1760 | munlockall () |
|
|
1761 | CODE: |
|
|
1762 | #if _POSIX_MEMLOCK |
|
|
1763 | munlockall (); |
|
|
1764 | #else |
|
|
1765 | RETVAL = -1; |
|
|
1766 | errno = ENOSYS; |
|
|
1767 | #endif |
|
|
1768 | OUTPUT: |
|
|
1769 | RETVAL |
|
|
1770 | |
|
|
1771 | void _on_next_submit (SV *cb) |
|
|
1772 | CODE: |
|
|
1773 | SvREFCNT_dec (on_next_submit); |
|
|
1774 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1775 | |
|
|
1776 | PROTOTYPES: DISABLE |
|
|
1777 | |
|
|
1778 | MODULE = IO::AIO PACKAGE = IO::AIO::WD |
|
|
1779 | |
|
|
1780 | BOOT: |
|
|
1781 | { |
|
|
1782 | newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
|
|
1783 | newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
|
|
1784 | } |
|
|
1785 | |
|
|
1786 | void |
|
|
1787 | DESTROY (SV *self) |
|
|
1788 | CODE: |
|
|
1789 | { |
|
|
1790 | aio_wd wd = SvAIO_WD (self); |
|
|
1791 | #if HAVE_AT |
|
|
1792 | SV *callback = &PL_sv_undef; |
|
|
1793 | dREQ; /* clobbers next_pri :/ */ |
|
|
1794 | req->type = EIO_WD_CLOSE; |
|
|
1795 | req->wd = wd; |
|
|
1796 | REQ_SEND; |
|
|
1797 | #else |
|
|
1798 | eio_wd_close_sync (wd); |
|
|
1799 | #endif |
|
|
1800 | } |
|
|
1801 | |
|
|
1802 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
|
|
1803 | |
|
|
1804 | void |
|
|
1805 | cancel (aio_req_ornot req) |
|
|
1806 | CODE: |
|
|
1807 | eio_cancel (req); |
|
|
1808 | |
|
|
1809 | void |
|
|
1810 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
|
|
1811 | PPCODE: |
|
|
1812 | { |
|
|
1813 | if (GIMME_V != G_VOID) |
|
|
1814 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1815 | |
|
|
1816 | if (items > 1) |
|
|
1817 | { |
|
|
1818 | SV *cb_cv =get_cb (callback); |
|
|
1819 | |
|
|
1820 | SvREFCNT_dec (req->callback); |
|
|
1821 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1822 | } |
|
|
1823 | } |
|
|
1824 | |
|
|
1825 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
|
|
1826 | |
|
|
1827 | void |
|
|
1828 | add (aio_req grp, ...) |
|
|
1829 | PPCODE: |
|
|
1830 | { |
|
|
1831 | int i; |
|
|
1832 | |
|
|
1833 | if (grp->int1 == 2) |
|
|
1834 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
|
|
1835 | |
|
|
1836 | for (i = 1; i < items; ++i ) |
|
|
1837 | { |
|
|
1838 | aio_req req; |
|
|
1839 | |
|
|
1840 | if (GIMME_V != G_VOID) |
|
|
1841 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
|
|
1842 | |
|
|
1843 | req = SvAIO_REQ (ST (i)); |
|
|
1844 | |
|
|
1845 | if (req) |
|
|
1846 | eio_grp_add (grp, req); |
|
|
1847 | } |
|
|
1848 | } |
|
|
1849 | |
|
|
1850 | void |
|
|
1851 | cancel_subs (aio_req_ornot req) |
|
|
1852 | CODE: |
|
|
1853 | req_cancel_subs (req); |
|
|
1854 | |
|
|
1855 | void |
|
|
1856 | result (aio_req grp, ...) |
|
|
1857 | CODE: |
|
|
1858 | { |
|
|
1859 | int i; |
|
|
1860 | AV *av; |
|
|
1861 | |
|
|
1862 | grp->errorno = errno; |
|
|
1863 | |
|
|
1864 | av = newAV (); |
|
|
1865 | av_extend (av, items - 1); |
|
|
1866 | |
|
|
1867 | for (i = 1; i < items; ++i ) |
|
|
1868 | av_push (av, newSVsv (ST (i))); |
|
|
1869 | |
|
|
1870 | SvREFCNT_dec (grp->sv1); |
|
|
1871 | grp->sv1 = (SV *)av; |
|
|
1872 | } |
|
|
1873 | |
|
|
1874 | void |
|
|
1875 | errno (aio_req grp, int errorno = errno) |
|
|
1876 | CODE: |
|
|
1877 | grp->errorno = errorno; |
|
|
1878 | |
|
|
1879 | void |
|
|
1880 | limit (aio_req grp, int limit) |
|
|
1881 | CODE: |
|
|
1882 | eio_grp_limit (grp, limit); |
|
|
1883 | |
|
|
1884 | void |
|
|
1885 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
|
|
1886 | CODE: |
|
|
1887 | { |
|
|
1888 | SvREFCNT_dec (grp->sv2); |
|
|
1889 | grp->sv2 = newSVsv (callback); |
|
|
1890 | grp->feed = aio_grp_feed; |
|
|
1891 | |
|
|
1892 | if (grp->int2 <= 0) |
|
|
1893 | grp->int2 = 2; |
|
|
1894 | |
|
|
1895 | eio_grp_limit (grp, grp->int2); |
|
|
1896 | } |
|
|
1897 | |