1 | /* solaris */ |
1 | #include "libeio/xthread.h" |
2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
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3 | |
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4 | #if __linux && !defined(_GNU_SOURCE) |
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5 | # define _GNU_SOURCE |
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6 | #endif |
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7 | |
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8 | /* just in case */ |
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9 | #define _REENTRANT 1 |
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10 | |
2 | |
11 | #include <errno.h> |
3 | #include <errno.h> |
12 | |
4 | |
13 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
14 | #include "perl.h" |
6 | #include "perl.h" |
15 | #include "XSUB.h" |
7 | #include "XSUB.h" |
16 | |
8 | |
17 | #include "autoconf/config.h" |
9 | #include "schmorp.h" |
18 | |
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19 | #include <pthread.h> |
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20 | |
10 | |
21 | #include <stddef.h> |
11 | #include <stddef.h> |
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12 | #include <stdlib.h> |
22 | #include <errno.h> |
13 | #include <errno.h> |
23 | #include <sys/time.h> |
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24 | #include <sys/select.h> |
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25 | #include <sys/types.h> |
14 | #include <sys/types.h> |
26 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
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16 | #include <sys/statvfs.h> |
27 | #include <limits.h> |
17 | #include <limits.h> |
28 | #include <unistd.h> |
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29 | #include <fcntl.h> |
18 | #include <fcntl.h> |
30 | #include <signal.h> |
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31 | #include <sched.h> |
19 | #include <sched.h> |
32 | |
20 | |
33 | #if HAVE_SENDFILE |
21 | /* perl namespace pollution */ |
34 | # if __linux |
22 | #undef VERSION |
35 | # include <sys/sendfile.h> |
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36 | # elif __freebsd |
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37 | # include <sys/socket.h> |
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38 | # include <sys/uio.h> |
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39 | # elif __hpux |
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40 | # include <sys/socket.h> |
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41 | # elif __solaris /* not yet */ |
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42 | # include <sys/sendfile.h> |
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43 | # else |
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44 | # error sendfile support requested but not available |
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45 | # endif |
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46 | #endif |
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47 | |
23 | |
48 | /* used for struct dirent, AIX doesn't provide it */ |
24 | #ifdef _WIN32 |
49 | #ifndef NAME_MAX |
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50 | # define NAME_MAX 4096 |
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51 | #endif |
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52 | |
25 | |
53 | #ifndef PTHREAD_STACK_MIN |
26 | # define EIO_STRUCT_DIRENT Direntry_t |
54 | /* care for broken platforms, e.g. windows */ |
27 | # undef malloc |
55 | # define PTHREAD_STACK_MIN 16384 |
28 | # undef free |
56 | #endif |
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57 | |
29 | |
58 | #if __ia64 |
30 | // perl overrides all those nice win32 functions |
59 | # define STACKSIZE 65536 |
31 | # undef open |
60 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
32 | # undef read |
61 | # define STACKSIZE PTHREAD_STACK_MIN |
33 | # undef write |
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34 | # undef send |
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35 | # undef recv |
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36 | # undef stat |
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37 | # undef fstat |
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38 | # define lstat stat |
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39 | # undef truncate |
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40 | # undef ftruncate |
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41 | # undef open |
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42 | # undef close |
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43 | # undef unlink |
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44 | # undef rmdir |
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45 | # undef rename |
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46 | # undef lseek |
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47 | |
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48 | # define chown(a,b,c) (errno = ENOSYS, -1) |
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49 | # define fchown(a,b,c) (errno = ENOSYS, -1) |
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50 | # define fchmod(a,b) (errno = ENOSYS, -1) |
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51 | # define symlink(a,b) (errno = ENOSYS, -1) |
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52 | # define readlink(a,b,c) (errno = ENOSYS, -1) |
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53 | # define mknod(a,b,c) (errno = ENOSYS, -1) |
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54 | # define truncate(a,b) (errno = ENOSYS, -1) |
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55 | # define ftruncate(fd,o) chsize ((fd), (o)) |
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56 | # define fsync(fd) _commit (fd) |
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57 | # define opendir(fd) (errno = ENOSYS, 0) |
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58 | # define readdir(fd) (errno = ENOSYS, -1) |
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59 | # define closedir(fd) (errno = ENOSYS, -1) |
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60 | # define mkdir(a,b) mkdir (a) |
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61 | |
62 | #else |
62 | #else |
63 | # define STACKSIZE 16384 |
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64 | #endif |
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65 | |
63 | |
66 | /* wether word reads are potentially non-atomic. |
64 | # include <sys/time.h> |
67 | * this is conservatice, likely most arches this runs |
65 | # include <sys/select.h> |
68 | * on have atomic word read/writes. |
66 | # include <unistd.h> |
69 | */ |
67 | # include <utime.h> |
70 | #ifndef WORDREAD_UNSAFE |
68 | # include <signal.h> |
71 | # if __i386 || __x86_64 |
69 | # define EIO_STRUCT_DIRENT struct dirent |
72 | # define WORDREAD_UNSAFE 0 |
70 | |
73 | # else |
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74 | # define WORDREAD_UNSAFE 1 |
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75 | # endif |
71 | #endif |
76 | #endif |
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77 | |
72 | |
78 | /* buffer size for various temporary buffers */ |
73 | /* perl stupidly overrides readdir and maybe others */ |
79 | #define AIO_BUFSIZE 65536 |
74 | /* with thread-unsafe versions, imagine that :( */ |
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75 | #undef readdir |
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76 | #undef opendir |
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77 | #undef closedir |
80 | |
78 | |
81 | #define dBUF \ |
79 | #define EIO_STRUCT_STAT Stat_t |
82 | char *aio_buf; \ |
80 | |
83 | LOCK (wrklock); \ |
81 | /* use NV for 32 bit perls as it allows larger offsets */ |
84 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
82 | #if IVSIZE >= 8 |
85 | UNLOCK (wrklock); \ |
83 | # define VAL64 IV |
86 | if (!aio_buf) \ |
84 | # define SvVAL64 SvIV |
87 | return -1; |
85 | # define newSVval64 newSViv |
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86 | #else |
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87 | # define VAL64 NV |
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88 | # define SvVAL64 SvNV |
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89 | # define newSVval64 newSVnv |
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90 | #endif |
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91 | |
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92 | /*****************************************************************************/ |
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93 | |
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94 | #if __GNUC__ >= 3 |
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95 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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96 | #else |
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97 | # define expect(expr,value) (expr) |
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98 | #endif |
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99 | |
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100 | #define expect_false(expr) expect ((expr) != 0, 0) |
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101 | #define expect_true(expr) expect ((expr) != 0, 1) |
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102 | |
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103 | /*****************************************************************************/ |
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104 | |
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105 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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106 | typedef int aio_rfd; /* read file desriptor */ |
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107 | typedef int aio_wfd; /* write file descriptor */ |
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108 | |
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109 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash; |
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110 | |
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111 | #define EIO_REQ_MEMBERS \ |
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112 | SV *callback; \ |
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113 | SV *sv1, *sv2; \ |
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114 | STRLEN stroffset; \ |
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115 | SV *self; |
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116 | |
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117 | #define EIO_NO_WRAPPERS 1 |
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118 | |
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119 | #include "libeio/eio.h" |
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120 | |
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121 | #ifndef POSIX_FADV_NORMAL |
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122 | # define POSIX_FADV_NORMAL 0 |
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123 | # define NO_FADVISE 1 |
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124 | #endif |
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125 | |
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126 | #ifndef POSIX_FADV_SEQUENTIAL |
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127 | # define POSIX_FADV_SEQUENTIAL 0 |
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128 | #endif |
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129 | |
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130 | #ifndef POSIX_FADV_RANDOM |
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131 | # define POSIX_FADV_RANDOM 0 |
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132 | #endif |
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133 | |
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134 | #ifndef POSIX_FADV_NOREUSE |
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135 | # define POSIX_FADV_NOREUSE 0 |
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136 | #endif |
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137 | |
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138 | #ifndef POSIX_FADV_WILLNEED |
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139 | # define POSIX_FADV_WILLNEED 0 |
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140 | #endif |
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141 | |
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142 | #ifndef POSIX_FADV_DONTNEED |
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143 | # define POSIX_FADV_DONTNEED 0 |
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144 | #endif |
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145 | |
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146 | #ifndef ST_NODEV |
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147 | # define ST_NODEV 0 |
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148 | #endif |
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149 | |
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150 | #ifndef ST_NOEXEC |
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151 | # define ST_NOEXEC 0 |
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152 | #endif |
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153 | |
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154 | #ifndef ST_SYNCHRONOUS |
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155 | # define ST_SYNCHRONOUS 0 |
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156 | #endif |
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157 | |
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158 | #ifndef ST_MANDLOCK |
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159 | # define ST_MANDLOCK 0 |
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160 | #endif |
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161 | |
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162 | #ifndef ST_WRITE |
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163 | # define ST_WRITE 0 |
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164 | #endif |
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165 | |
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166 | #ifndef ST_APPEND |
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167 | # define ST_APPEND 0 |
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168 | #endif |
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169 | |
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170 | #ifndef ST_IMMUTABLE |
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171 | # define ST_IMMUTABLE 0 |
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172 | #endif |
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173 | |
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174 | #ifndef ST_NOATIME |
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175 | # define ST_NOATIME 0 |
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176 | #endif |
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177 | |
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178 | #ifndef ST_NODIRATIME |
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179 | # define ST_NODIRATIME 0 |
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180 | #endif |
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181 | |
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182 | #ifndef ST_RELATIME |
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183 | # define ST_RELATIME 0 |
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184 | #endif |
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185 | |
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186 | static int req_invoke (eio_req *req); |
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187 | #define EIO_FINISH(req) req_invoke (req) |
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188 | static void req_destroy (eio_req *grp); |
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189 | #define EIO_DESTROY(req) req_destroy (req) |
88 | |
190 | |
89 | enum { |
191 | enum { |
90 | REQ_QUIT, |
192 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
91 | REQ_OPEN, REQ_CLOSE, |
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92 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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93 | REQ_SENDFILE, |
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94 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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95 | REQ_FSYNC, REQ_FDATASYNC, |
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96 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
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97 | REQ_READDIR, |
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98 | REQ_LINK, REQ_SYMLINK, |
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99 | REQ_GROUP, REQ_NOP, |
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100 | REQ_BUSY, |
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101 | }; |
193 | }; |
102 | |
194 | |
103 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
195 | #include "libeio/eio.c" |
104 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
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105 | |
196 | |
106 | typedef struct aio_cb |
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107 | { |
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108 | struct aio_cb *volatile next; |
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109 | |
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110 | SV *data, *callback; |
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111 | SV *fh, *fh2; |
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112 | void *dataptr, *data2ptr; |
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113 | Stat_t *statdata; |
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114 | off_t offset; |
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115 | size_t length; |
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116 | ssize_t result; |
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117 | |
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118 | STRLEN dataoffset; |
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119 | int type; |
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120 | int fd, fd2; |
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121 | int errorno; |
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122 | mode_t mode; /* open */ |
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123 | |
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124 | unsigned char flags; |
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125 | unsigned char pri; |
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126 | |
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127 | SV *self; /* the perl counterpart of this request, if any */ |
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128 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
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129 | } aio_cb; |
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130 | |
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131 | enum { |
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132 | FLAG_CANCELLED = 0x01, |
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133 | }; |
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134 | |
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135 | typedef aio_cb *aio_req; |
197 | typedef eio_req *aio_req; |
136 | typedef aio_cb *aio_req_ornot; |
198 | typedef eio_req *aio_req_ornot; |
137 | |
199 | |
138 | enum { |
200 | static SV *on_next_submit; |
139 | PRI_MIN = -4, |
201 | static int next_pri = EIO_PRI_DEFAULT; |
140 | PRI_MAX = 4, |
202 | static int max_outstanding; |
141 | |
203 | |
142 | DEFAULT_PRI = 0, |
204 | static s_epipe respipe; |
143 | PRI_BIAS = -PRI_MIN, |
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144 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
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145 | }; |
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146 | |
205 | |
147 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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148 | |
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149 | static unsigned int started, wanted; |
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150 | |
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151 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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152 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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153 | #else |
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154 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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155 | #endif |
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156 | |
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157 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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158 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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159 | |
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160 | /* worker threads management */ |
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161 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
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162 | |
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163 | typedef struct worker { |
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164 | /* locked by wrklock */ |
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165 | struct worker *prev, *next; |
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166 | |
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167 | pthread_t tid; |
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168 | |
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169 | /* locked by reslock, reqlock or wrklock */ |
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170 | aio_req req; /* currently processed request */ |
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171 | void *dbuf; |
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172 | DIR *dirp; |
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173 | } worker; |
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174 | |
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175 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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176 | |
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177 | static void worker_clear (worker *wrk) |
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178 | { |
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179 | if (wrk->dirp) |
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180 | { |
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181 | closedir (wrk->dirp); |
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182 | wrk->dirp = 0; |
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183 | } |
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184 | |
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185 | if (wrk->dbuf) |
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186 | { |
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187 | free (wrk->dbuf); |
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188 | wrk->dbuf = 0; |
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189 | } |
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190 | } |
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191 | |
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192 | static void worker_free (worker *wrk) |
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193 | { |
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194 | wrk->next->prev = wrk->prev; |
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195 | wrk->prev->next = wrk->next; |
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196 | |
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197 | free (wrk); |
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198 | } |
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199 | |
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200 | static volatile unsigned int nreqs, nready, npending; |
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201 | static volatile unsigned int max_outstanding = 0xffffffff; |
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202 | static int respipe [2]; |
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203 | |
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204 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
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205 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
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206 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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207 | |
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208 | #if WORDREAD_UNSAFE |
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209 | |
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210 | static unsigned int get_nready () |
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211 | { |
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212 | unsigned int retval; |
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213 | |
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214 | LOCK (reqlock); |
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215 | retval = nready; |
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216 | UNLOCK (reqlock); |
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217 | |
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218 | return retval; |
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219 | } |
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220 | |
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221 | static unsigned int get_npending () |
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222 | { |
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223 | unsigned int retval; |
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224 | |
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225 | LOCK (reslock); |
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226 | retval = npending; |
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227 | UNLOCK (reslock); |
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228 | |
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229 | return retval; |
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230 | } |
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231 | |
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232 | #else |
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233 | |
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234 | # define get_nready() nready |
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235 | # define get_npending() npending |
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236 | |
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237 | #endif |
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238 | |
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239 | /* |
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240 | * a somewhat faster data structure might be nice, but |
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241 | * with 8 priorities this actually needs <20 insns |
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242 | * per shift, the most expensive operation. |
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243 | */ |
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244 | typedef struct { |
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245 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
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246 | int size; |
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247 | } reqq; |
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248 | |
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249 | static reqq req_queue; |
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250 | static reqq res_queue; |
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251 | |
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252 | int reqq_push (reqq *q, aio_req req) |
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253 | { |
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254 | int pri = req->pri; |
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255 | req->next = 0; |
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256 | |
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257 | if (q->qe[pri]) |
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258 | { |
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259 | q->qe[pri]->next = req; |
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260 | q->qe[pri] = req; |
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261 | } |
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262 | else |
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263 | q->qe[pri] = q->qs[pri] = req; |
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264 | |
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265 | return q->size++; |
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266 | } |
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267 | |
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268 | aio_req reqq_shift (reqq *q) |
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269 | { |
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270 | int pri; |
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271 | |
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272 | if (!q->size) |
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273 | return 0; |
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274 | |
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275 | --q->size; |
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276 | |
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277 | for (pri = NUM_PRI; pri--; ) |
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278 | { |
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279 | aio_req req = q->qs[pri]; |
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280 | |
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281 | if (req) |
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282 | { |
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283 | if (!(q->qs[pri] = req->next)) |
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284 | q->qe[pri] = 0; |
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285 | |
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286 | return req; |
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287 | } |
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288 | } |
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289 | |
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290 | abort (); |
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291 | } |
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292 | |
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293 | static int poll_cb (int max); |
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294 | static void req_invoke (aio_req req); |
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295 | static void req_free (aio_req req); |
206 | static void req_destroy (aio_req req); |
296 | static void req_cancel (aio_req req); |
207 | static void req_cancel (aio_req req); |
297 | |
208 | |
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209 | static void want_poll (void) |
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210 | { |
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211 | /* write a dummy byte to the pipe so fh becomes ready */ |
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212 | s_epipe_signal (&respipe); |
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213 | } |
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214 | |
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215 | static void done_poll (void) |
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216 | { |
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217 | /* read any signals sent by the worker threads */ |
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218 | s_epipe_drain (&respipe); |
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219 | } |
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220 | |
298 | /* must be called at most once */ |
221 | /* must be called at most once */ |
299 | static SV *req_sv (aio_req req, const char *klass) |
222 | static SV *req_sv (aio_req req, HV *stash) |
300 | { |
223 | { |
301 | if (!req->self) |
224 | if (!req->self) |
302 | { |
225 | { |
303 | req->self = (SV *)newHV (); |
226 | req->self = (SV *)newHV (); |
304 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
227 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
305 | } |
228 | } |
306 | |
229 | |
307 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
230 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
308 | } |
231 | } |
309 | |
232 | |
310 | static aio_req SvAIO_REQ (SV *sv) |
233 | static aio_req SvAIO_REQ (SV *sv) |
311 | { |
234 | { |
312 | MAGIC *mg; |
235 | MAGIC *mg; |
313 | |
236 | |
314 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
237 | if (!SvROK (sv) |
|
|
238 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
|
|
239 | && SvSTASH (SvRV (sv)) != aio_req_stash |
|
|
240 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
315 | croak ("object of class " AIO_REQ_KLASS " expected"); |
241 | croak ("object of class IO::AIO::REQ expected"); |
316 | |
242 | |
317 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
243 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
318 | |
244 | |
319 | return mg ? (aio_req)mg->mg_ptr : 0; |
245 | return mg ? (aio_req)mg->mg_ptr : 0; |
320 | } |
246 | } |
321 | |
247 | |
322 | static void aio_grp_feed (aio_req grp) |
248 | static void aio_grp_feed (aio_req grp) |
323 | { |
249 | { |
324 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
250 | if (grp->sv2 && SvOK (grp->sv2)) |
325 | { |
251 | { |
326 | int old_len = grp->length; |
|
|
327 | |
|
|
328 | if (grp->fh2 && SvOK (grp->fh2)) |
|
|
329 | { |
|
|
330 | dSP; |
252 | dSP; |
331 | |
253 | |
332 | ENTER; |
254 | ENTER; |
333 | SAVETMPS; |
255 | SAVETMPS; |
334 | PUSHMARK (SP); |
256 | PUSHMARK (SP); |
335 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
257 | XPUSHs (req_sv (grp, aio_grp_stash)); |
336 | PUTBACK; |
258 | PUTBACK; |
337 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
259 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
338 | SPAGAIN; |
260 | SPAGAIN; |
339 | FREETMPS; |
261 | FREETMPS; |
340 | LEAVE; |
262 | LEAVE; |
341 | } |
|
|
342 | |
|
|
343 | /* stop if no progress has been made */ |
|
|
344 | if (old_len == grp->length) |
|
|
345 | { |
|
|
346 | SvREFCNT_dec (grp->fh2); |
|
|
347 | grp->fh2 = 0; |
|
|
348 | break; |
|
|
349 | } |
|
|
350 | } |
263 | } |
351 | } |
264 | } |
352 | |
265 | |
353 | static void aio_grp_dec (aio_req grp) |
266 | static void req_submit (eio_req *req) |
354 | { |
267 | { |
355 | --grp->length; |
268 | eio_submit (req); |
356 | |
269 | |
357 | /* call feeder, if applicable */ |
270 | if (expect_false (on_next_submit)) |
358 | aio_grp_feed (grp); |
|
|
359 | |
|
|
360 | /* finish, if done */ |
|
|
361 | if (!grp->length && grp->fd) |
|
|
362 | { |
271 | { |
363 | req_invoke (grp); |
272 | dSP; |
364 | req_free (grp); |
273 | SV *cb = sv_2mortal (on_next_submit); |
|
|
274 | |
|
|
275 | on_next_submit = 0; |
|
|
276 | |
|
|
277 | PUSHMARK (SP); |
|
|
278 | PUTBACK; |
|
|
279 | call_sv (cb, G_DISCARD | G_EVAL); |
365 | } |
280 | } |
366 | } |
281 | } |
367 | |
282 | |
368 | static void req_invoke (aio_req req) |
283 | static int req_invoke (eio_req *req) |
369 | { |
284 | { |
370 | dSP; |
285 | dSP; |
371 | |
286 | |
372 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
287 | if (req->flags & FLAG_SV2_RO_OFF) |
|
|
288 | SvREADONLY_off (req->sv2); |
|
|
289 | |
|
|
290 | if (!EIO_CANCELLED (req) && req->callback) |
373 | { |
291 | { |
374 | ENTER; |
292 | ENTER; |
375 | SAVETMPS; |
293 | SAVETMPS; |
376 | PUSHMARK (SP); |
294 | PUSHMARK (SP); |
377 | EXTEND (SP, 1); |
295 | EXTEND (SP, 1); |
378 | |
296 | |
379 | switch (req->type) |
297 | switch (req->type) |
380 | { |
298 | { |
381 | case REQ_READDIR: |
299 | case EIO_READDIR: |
382 | { |
300 | { |
383 | SV *rv = &PL_sv_undef; |
301 | SV *rv = &PL_sv_undef; |
384 | |
302 | |
385 | if (req->result >= 0) |
303 | if (req->result >= 0) |
386 | { |
304 | { |
387 | int i; |
305 | int i; |
388 | char *buf = req->data2ptr; |
306 | char *names = (char *)req->ptr2; |
|
|
307 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
389 | AV *av = newAV (); |
308 | AV *av = newAV (); |
390 | |
309 | |
391 | av_extend (av, req->result - 1); |
310 | av_extend (av, req->result - 1); |
392 | |
311 | |
393 | for (i = 0; i < req->result; ++i) |
312 | for (i = 0; i < req->result; ++i) |
394 | { |
313 | { |
395 | SV *sv = newSVpv (buf, 0); |
314 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
315 | { |
|
|
316 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
396 | |
317 | |
|
|
318 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
319 | { |
|
|
320 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
321 | AV *avent = newAV (); |
|
|
322 | |
|
|
323 | av_extend (avent, 2); |
|
|
324 | |
|
|
325 | if (!sv_type [ent->type]) |
|
|
326 | { |
|
|
327 | sv_type [ent->type] = newSViv (ent->type); |
|
|
328 | SvREADONLY_on (sv_type [ent->type]); |
|
|
329 | } |
|
|
330 | |
|
|
331 | av_store (avent, 0, namesv); |
|
|
332 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
333 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
334 | |
|
|
335 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
336 | } |
|
|
337 | else |
397 | av_store (av, i, sv); |
338 | av_store (av, i, namesv); |
|
|
339 | |
|
|
340 | ++ent; |
|
|
341 | } |
|
|
342 | else |
|
|
343 | { |
|
|
344 | SV *name = newSVpv (names, 0); |
|
|
345 | av_store (av, i, name); |
398 | buf += SvCUR (sv) + 1; |
346 | names += SvCUR (name) + 1; |
|
|
347 | } |
399 | } |
348 | } |
400 | |
349 | |
401 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
350 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
402 | } |
351 | } |
403 | |
352 | |
404 | PUSHs (rv); |
353 | PUSHs (rv); |
|
|
354 | |
|
|
355 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
356 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
405 | } |
357 | } |
406 | break; |
358 | break; |
407 | |
359 | |
408 | case REQ_OPEN: |
360 | case EIO_OPEN: |
409 | { |
361 | { |
410 | /* convert fd to fh */ |
362 | /* convert fd to fh */ |
411 | SV *fh; |
363 | SV *fh = &PL_sv_undef; |
412 | |
364 | |
413 | PUSHs (sv_2mortal (newSViv (req->result))); |
365 | if (req->result >= 0) |
414 | PUTBACK; |
366 | { |
415 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
367 | GV *gv = (GV *)sv_newmortal (); |
416 | SPAGAIN; |
368 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
|
|
369 | char sym [64]; |
|
|
370 | int symlen; |
|
|
371 | |
|
|
372 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
|
|
373 | gv_init (gv, aio_stash, sym, symlen, 0); |
417 | |
374 | |
418 | fh = SvREFCNT_inc (POPs); |
375 | symlen = snprintf ( |
|
|
376 | sym, |
|
|
377 | sizeof (sym), |
|
|
378 | "%s&=%d", |
|
|
379 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
380 | (int)req->result |
|
|
381 | ); |
419 | |
382 | |
|
|
383 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
384 | fh = (SV *)gv; |
|
|
385 | } |
|
|
386 | |
420 | PUSHMARK (SP); |
387 | PUSHs (fh); |
421 | XPUSHs (sv_2mortal (fh)); |
|
|
422 | } |
388 | } |
423 | break; |
389 | break; |
424 | |
390 | |
|
|
391 | case EIO_STATVFS: |
|
|
392 | case EIO_FSTATVFS: |
|
|
393 | { |
|
|
394 | SV *rv = &PL_sv_undef; |
|
|
395 | |
|
|
396 | if (req->result >= 0) |
|
|
397 | { |
|
|
398 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
399 | HV *hv = newHV (); |
|
|
400 | |
|
|
401 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
|
|
402 | |
|
|
403 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
|
|
404 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
405 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
406 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
407 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
408 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
409 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
410 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
411 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
|
|
412 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
413 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
414 | } |
|
|
415 | |
|
|
416 | PUSHs (rv); |
|
|
417 | } |
|
|
418 | |
|
|
419 | break; |
|
|
420 | |
425 | case REQ_GROUP: |
421 | case EIO_GROUP: |
426 | req->fd = 2; /* mark group as finished */ |
422 | req->int1 = 2; /* mark group as finished */ |
427 | |
423 | |
428 | if (req->data) |
424 | if (req->sv1) |
429 | { |
425 | { |
430 | int i; |
426 | int i; |
431 | AV *av = (AV *)req->data; |
427 | AV *av = (AV *)req->sv1; |
432 | |
428 | |
433 | EXTEND (SP, AvFILL (av) + 1); |
429 | EXTEND (SP, AvFILL (av) + 1); |
434 | for (i = 0; i <= AvFILL (av); ++i) |
430 | for (i = 0; i <= AvFILL (av); ++i) |
435 | PUSHs (*av_fetch (av, i, 0)); |
431 | PUSHs (*av_fetch (av, i, 0)); |
436 | } |
432 | } |
437 | break; |
433 | break; |
438 | |
434 | |
439 | case REQ_NOP: |
435 | case EIO_NOP: |
440 | case REQ_BUSY: |
436 | case EIO_BUSY: |
441 | break; |
437 | break; |
|
|
438 | |
|
|
439 | case EIO_READLINK: |
|
|
440 | if (req->result > 0) |
|
|
441 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
442 | break; |
|
|
443 | |
|
|
444 | case EIO_STAT: |
|
|
445 | case EIO_LSTAT: |
|
|
446 | case EIO_FSTAT: |
|
|
447 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
448 | PL_laststatval = req->result; |
|
|
449 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
450 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
451 | break; |
|
|
452 | |
|
|
453 | case EIO_READ: |
|
|
454 | { |
|
|
455 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
456 | *SvEND (req->sv2) = 0; |
|
|
457 | SvPOK_only (req->sv2); |
|
|
458 | SvSETMAGIC (req->sv2); |
|
|
459 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
460 | } |
|
|
461 | break; |
|
|
462 | |
|
|
463 | case EIO_DUP2: |
|
|
464 | if (req->result > 0) |
|
|
465 | req->result = 0; |
|
|
466 | /* FALLTHROUGH */ |
442 | |
467 | |
443 | default: |
468 | default: |
444 | PUSHs (sv_2mortal (newSViv (req->result))); |
469 | PUSHs (sv_2mortal (newSViv (req->result))); |
445 | break; |
470 | break; |
446 | } |
471 | } |
447 | |
472 | |
448 | errno = req->errorno; |
473 | errno = req->errorno; |
449 | |
474 | |
450 | PUTBACK; |
475 | PUTBACK; |
451 | call_sv (req->callback, G_VOID | G_EVAL); |
476 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
452 | SPAGAIN; |
477 | SPAGAIN; |
453 | |
478 | |
454 | FREETMPS; |
479 | FREETMPS; |
455 | LEAVE; |
480 | LEAVE; |
|
|
481 | |
|
|
482 | PUTBACK; |
456 | } |
483 | } |
457 | |
484 | |
458 | if (req->grp) |
485 | return !!SvTRUE (ERRSV); |
459 | { |
|
|
460 | aio_req grp = req->grp; |
|
|
461 | |
|
|
462 | /* unlink request */ |
|
|
463 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
464 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
465 | |
|
|
466 | if (grp->grp_first == req) |
|
|
467 | grp->grp_first = req->grp_next; |
|
|
468 | |
|
|
469 | aio_grp_dec (grp); |
|
|
470 | } |
|
|
471 | |
|
|
472 | if (SvTRUE (ERRSV)) |
|
|
473 | { |
|
|
474 | req_free (req); |
|
|
475 | croak (0); |
|
|
476 | } |
|
|
477 | } |
486 | } |
478 | |
487 | |
479 | static void req_free (aio_req req) |
488 | static void req_destroy (aio_req req) |
480 | { |
489 | { |
481 | if (req->self) |
490 | if (req->self) |
482 | { |
491 | { |
483 | sv_unmagic (req->self, PERL_MAGIC_ext); |
492 | sv_unmagic (req->self, PERL_MAGIC_ext); |
484 | SvREFCNT_dec (req->self); |
493 | SvREFCNT_dec (req->self); |
485 | } |
494 | } |
486 | |
495 | |
487 | SvREFCNT_dec (req->data); |
|
|
488 | SvREFCNT_dec (req->fh); |
496 | SvREFCNT_dec (req->sv1); |
489 | SvREFCNT_dec (req->fh2); |
497 | SvREFCNT_dec (req->sv2); |
490 | SvREFCNT_dec (req->callback); |
498 | SvREFCNT_dec (req->callback); |
491 | Safefree (req->statdata); |
|
|
492 | |
|
|
493 | if (req->type == REQ_READDIR) |
|
|
494 | free (req->data2ptr); |
|
|
495 | |
499 | |
496 | Safefree (req); |
500 | Safefree (req); |
497 | } |
501 | } |
498 | |
502 | |
499 | static void req_cancel_subs (aio_req grp) |
503 | static void req_cancel_subs (aio_req grp) |
500 | { |
504 | { |
501 | aio_req sub; |
505 | aio_req sub; |
502 | |
506 | |
503 | if (grp->type != REQ_GROUP) |
507 | if (grp->type != EIO_GROUP) |
504 | return; |
508 | return; |
505 | |
509 | |
506 | SvREFCNT_dec (grp->fh2); |
510 | SvREFCNT_dec (grp->sv2); |
507 | grp->fh2 = 0; |
511 | grp->sv2 = 0; |
508 | |
512 | |
509 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
513 | eio_grp_cancel (grp); |
510 | req_cancel (sub); |
|
|
511 | } |
514 | } |
512 | |
515 | |
513 | static void req_cancel (aio_req req) |
516 | static void |
|
|
517 | create_respipe (void) |
514 | { |
518 | { |
515 | req->flags |= FLAG_CANCELLED; |
519 | if (s_epipe_renew (&respipe)) |
516 | |
520 | croak ("IO::AIO: unable to initialize result pipe"); |
517 | req_cancel_subs (req); |
|
|
518 | } |
521 | } |
519 | |
522 | |
520 | static void *aio_proc(void *arg); |
|
|
521 | |
|
|
522 | static void start_thread (void) |
|
|
523 | { |
|
|
524 | sigset_t fullsigset, oldsigset; |
|
|
525 | pthread_attr_t attr; |
|
|
526 | |
|
|
527 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
528 | |
|
|
529 | if (!wrk) |
|
|
530 | croak ("unable to allocate worker thread data"); |
|
|
531 | |
|
|
532 | pthread_attr_init (&attr); |
|
|
533 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
534 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
535 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
536 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
537 | #endif |
|
|
538 | |
|
|
539 | sigfillset (&fullsigset); |
|
|
540 | |
|
|
541 | LOCK (wrklock); |
|
|
542 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
543 | |
|
|
544 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
|
|
545 | { |
|
|
546 | wrk->prev = &wrk_first; |
|
|
547 | wrk->next = wrk_first.next; |
|
|
548 | wrk_first.next->prev = wrk; |
|
|
549 | wrk_first.next = wrk; |
|
|
550 | ++started; |
|
|
551 | } |
|
|
552 | else |
|
|
553 | free (wrk); |
|
|
554 | |
|
|
555 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
556 | UNLOCK (wrklock); |
|
|
557 | } |
|
|
558 | |
|
|
559 | static void maybe_start_thread () |
|
|
560 | { |
|
|
561 | #if 0 |
|
|
562 | static struct timeval last; |
|
|
563 | struct timeval diff, now; |
|
|
564 | #endif |
|
|
565 | |
|
|
566 | if (started >= wanted) |
|
|
567 | return; |
|
|
568 | |
|
|
569 | if (nready <= nreqs - get_nready () - get_npending ()) |
|
|
570 | return; |
|
|
571 | |
|
|
572 | #if 0 |
|
|
573 | gettimeofday (&now, 0); |
|
|
574 | |
|
|
575 | diff.tv_sec = now.tv_sec - last.tv_sec; |
|
|
576 | diff.tv_usec = now.tv_usec - last.tv_usec; |
|
|
577 | |
|
|
578 | if (diff.tv_usec < 0) |
|
|
579 | { |
|
|
580 | --diff.tv_sec; |
|
|
581 | diff.tv_usec += 1000000; |
|
|
582 | } |
|
|
583 | |
|
|
584 | if (!diff.tv_sec && diff.tv_usec < 10000) |
|
|
585 | return; |
|
|
586 | |
|
|
587 | last = now; |
|
|
588 | #endif |
|
|
589 | |
|
|
590 | start_thread (); |
|
|
591 | } |
|
|
592 | |
|
|
593 | static void req_send (aio_req req) |
|
|
594 | { |
|
|
595 | ++nreqs; |
|
|
596 | |
|
|
597 | LOCK (reqlock); |
|
|
598 | ++nready; |
|
|
599 | reqq_push (&req_queue, req); |
|
|
600 | pthread_cond_signal (&reqwait); |
|
|
601 | UNLOCK (reqlock); |
|
|
602 | |
|
|
603 | maybe_start_thread (); |
|
|
604 | } |
|
|
605 | |
|
|
606 | static void end_thread (void) |
|
|
607 | { |
|
|
608 | aio_req req; |
|
|
609 | |
|
|
610 | Newz (0, req, 1, aio_cb); |
|
|
611 | |
|
|
612 | req->type = REQ_QUIT; |
|
|
613 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
614 | |
|
|
615 | req_send (req); |
|
|
616 | |
|
|
617 | LOCK (wrklock); |
|
|
618 | --started; |
|
|
619 | UNLOCK (wrklock); |
|
|
620 | } |
|
|
621 | |
|
|
622 | static void min_parallel (int nthreads) |
|
|
623 | { |
|
|
624 | if (wanted < nthreads) |
|
|
625 | wanted = nthreads; |
|
|
626 | } |
|
|
627 | |
|
|
628 | static void max_parallel (int nthreads) |
|
|
629 | { |
|
|
630 | if (wanted > nthreads) |
|
|
631 | wanted = nthreads; |
|
|
632 | |
|
|
633 | while (started > wanted) |
|
|
634 | end_thread (); |
|
|
635 | } |
|
|
636 | |
|
|
637 | static void poll_wait () |
523 | static void poll_wait (void) |
638 | { |
524 | { |
639 | fd_set rfd; |
|
|
640 | |
|
|
641 | while (nreqs) |
525 | while (eio_nreqs ()) |
642 | { |
526 | { |
643 | int size; |
527 | int size; |
644 | if (WORDREAD_UNSAFE) LOCK (reslock); |
528 | |
|
|
529 | X_LOCK (reslock); |
645 | size = res_queue.size; |
530 | size = res_queue.size; |
646 | if (WORDREAD_UNSAFE) UNLOCK (reslock); |
531 | X_UNLOCK (reslock); |
647 | |
532 | |
648 | if (size) |
533 | if (size) |
649 | return; |
534 | return; |
650 | |
535 | |
651 | maybe_start_thread (); |
536 | etp_maybe_start_thread (); |
652 | |
537 | |
653 | FD_ZERO(&rfd); |
538 | s_epipe_wait (&respipe); |
654 | FD_SET(respipe [0], &rfd); |
|
|
655 | |
|
|
656 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
657 | } |
539 | } |
658 | } |
540 | } |
659 | |
541 | |
660 | static int poll_cb (int max) |
542 | static int poll_cb (void) |
661 | { |
543 | { |
662 | dSP; |
|
|
663 | int count = 0; |
|
|
664 | int do_croak = 0; |
|
|
665 | aio_req req; |
|
|
666 | |
|
|
667 | for (;;) |
544 | for (;;) |
668 | { |
545 | { |
669 | while (max <= 0 || count < max) |
546 | int res = eio_poll (); |
670 | { |
|
|
671 | maybe_start_thread (); |
|
|
672 | |
547 | |
673 | LOCK (reslock); |
548 | if (res > 0) |
674 | req = reqq_shift (&res_queue); |
|
|
675 | |
|
|
676 | if (req) |
|
|
677 | { |
|
|
678 | --npending; |
|
|
679 | |
|
|
680 | if (!res_queue.size) |
|
|
681 | { |
|
|
682 | /* read any signals sent by the worker threads */ |
|
|
683 | char buf [32]; |
|
|
684 | while (read (respipe [0], buf, 32) == 32) |
|
|
685 | ; |
|
|
686 | } |
|
|
687 | } |
|
|
688 | |
|
|
689 | UNLOCK (reslock); |
|
|
690 | |
|
|
691 | if (!req) |
|
|
692 | break; |
|
|
693 | |
|
|
694 | --nreqs; |
|
|
695 | |
|
|
696 | if (req->type == REQ_GROUP && req->length) |
|
|
697 | { |
|
|
698 | req->fd = 1; /* mark request as delayed */ |
|
|
699 | continue; |
|
|
700 | } |
|
|
701 | else |
|
|
702 | { |
|
|
703 | if (req->type == REQ_READ) |
|
|
704 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
705 | |
|
|
706 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
707 | SvREADONLY_off (req->data); |
|
|
708 | |
|
|
709 | if (req->statdata) |
|
|
710 | { |
|
|
711 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
712 | PL_laststatval = req->result; |
|
|
713 | PL_statcache = *(req->statdata); |
|
|
714 | } |
|
|
715 | |
|
|
716 | req_invoke (req); |
|
|
717 | |
|
|
718 | count++; |
|
|
719 | } |
|
|
720 | |
|
|
721 | req_free (req); |
|
|
722 | } |
|
|
723 | |
|
|
724 | if (nreqs <= max_outstanding) |
|
|
725 | break; |
549 | croak (0); |
|
|
550 | |
|
|
551 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
552 | return res; |
726 | |
553 | |
727 | poll_wait (); |
554 | poll_wait (); |
728 | |
|
|
729 | max = 0; |
|
|
730 | } |
555 | } |
731 | |
|
|
732 | return count; |
|
|
733 | } |
|
|
734 | |
|
|
735 | static void create_pipe () |
|
|
736 | { |
|
|
737 | if (pipe (respipe)) |
|
|
738 | croak ("unable to initialize result pipe"); |
|
|
739 | |
|
|
740 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
741 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
742 | |
|
|
743 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
744 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
745 | } |
|
|
746 | |
|
|
747 | /*****************************************************************************/ |
|
|
748 | /* work around various missing functions */ |
|
|
749 | |
|
|
750 | #if !HAVE_PREADWRITE |
|
|
751 | # define pread aio_pread |
|
|
752 | # define pwrite aio_pwrite |
|
|
753 | |
|
|
754 | /* |
|
|
755 | * make our pread/pwrite safe against themselves, but not against |
|
|
756 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
757 | * but that's your problem, not mine. |
|
|
758 | */ |
|
|
759 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
|
|
760 | |
|
|
761 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
762 | { |
|
|
763 | ssize_t res; |
|
|
764 | off_t ooffset; |
|
|
765 | |
|
|
766 | LOCK (preadwritelock); |
|
|
767 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
768 | lseek (fd, offset, SEEK_SET); |
|
|
769 | res = read (fd, buf, count); |
|
|
770 | lseek (fd, ooffset, SEEK_SET); |
|
|
771 | UNLOCK (preadwritelock); |
|
|
772 | |
|
|
773 | return res; |
|
|
774 | } |
|
|
775 | |
|
|
776 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
777 | { |
|
|
778 | ssize_t res; |
|
|
779 | off_t ooffset; |
|
|
780 | |
|
|
781 | LOCK (preadwritelock); |
|
|
782 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
783 | lseek (fd, offset, SEEK_SET); |
|
|
784 | res = write (fd, buf, count); |
|
|
785 | lseek (fd, offset, SEEK_SET); |
|
|
786 | UNLOCK (preadwritelock); |
|
|
787 | |
|
|
788 | return res; |
|
|
789 | } |
|
|
790 | #endif |
|
|
791 | |
|
|
792 | #if !HAVE_FDATASYNC |
|
|
793 | # define fdatasync fsync |
|
|
794 | #endif |
|
|
795 | |
|
|
796 | #if !HAVE_READAHEAD |
|
|
797 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
|
|
798 | |
|
|
799 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
|
|
800 | { |
|
|
801 | dBUF; |
|
|
802 | |
|
|
803 | while (count > 0) |
|
|
804 | { |
|
|
805 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
|
|
806 | |
|
|
807 | pread (fd, aio_buf, len, offset); |
|
|
808 | offset += len; |
|
|
809 | count -= len; |
|
|
810 | } |
|
|
811 | |
|
|
812 | errno = 0; |
|
|
813 | } |
|
|
814 | |
|
|
815 | #endif |
|
|
816 | |
|
|
817 | #if !HAVE_READDIR_R |
|
|
818 | # define readdir_r aio_readdir_r |
|
|
819 | |
|
|
820 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
821 | |
|
|
822 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
823 | { |
|
|
824 | struct dirent *e; |
|
|
825 | int errorno; |
|
|
826 | |
|
|
827 | LOCK (readdirlock); |
|
|
828 | |
|
|
829 | e = readdir (dirp); |
|
|
830 | errorno = errno; |
|
|
831 | |
|
|
832 | if (e) |
|
|
833 | { |
|
|
834 | *res = ent; |
|
|
835 | strcpy (ent->d_name, e->d_name); |
|
|
836 | } |
|
|
837 | else |
|
|
838 | *res = 0; |
|
|
839 | |
|
|
840 | UNLOCK (readdirlock); |
|
|
841 | |
|
|
842 | errno = errorno; |
|
|
843 | return e ? 0 : -1; |
|
|
844 | } |
|
|
845 | #endif |
|
|
846 | |
|
|
847 | /* sendfile always needs emulation */ |
|
|
848 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
|
|
849 | { |
|
|
850 | ssize_t res; |
|
|
851 | |
|
|
852 | if (!count) |
|
|
853 | return 0; |
|
|
854 | |
|
|
855 | #if HAVE_SENDFILE |
|
|
856 | # if __linux |
|
|
857 | res = sendfile (ofd, ifd, &offset, count); |
|
|
858 | |
|
|
859 | # elif __freebsd |
|
|
860 | /* |
|
|
861 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
862 | * wasted on making it similar to other I/O functions. |
|
|
863 | */ |
|
|
864 | { |
|
|
865 | off_t sbytes; |
|
|
866 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
867 | |
|
|
868 | if (res < 0 && sbytes) |
|
|
869 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
|
|
870 | res = sbytes; |
|
|
871 | } |
|
|
872 | |
|
|
873 | # elif __hpux |
|
|
874 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
875 | |
|
|
876 | # elif __solaris |
|
|
877 | { |
|
|
878 | struct sendfilevec vec; |
|
|
879 | size_t sbytes; |
|
|
880 | |
|
|
881 | vec.sfv_fd = ifd; |
|
|
882 | vec.sfv_flag = 0; |
|
|
883 | vec.sfv_off = offset; |
|
|
884 | vec.sfv_len = count; |
|
|
885 | |
|
|
886 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
887 | |
|
|
888 | if (res < 0 && sbytes) |
|
|
889 | res = sbytes; |
|
|
890 | } |
|
|
891 | |
|
|
892 | # endif |
|
|
893 | #else |
|
|
894 | res = -1; |
|
|
895 | errno = ENOSYS; |
|
|
896 | #endif |
|
|
897 | |
|
|
898 | if (res < 0 |
|
|
899 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
900 | #if __solaris |
|
|
901 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
902 | #endif |
|
|
903 | ) |
|
|
904 | ) |
|
|
905 | { |
|
|
906 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
907 | dBUF; |
|
|
908 | |
|
|
909 | res = 0; |
|
|
910 | |
|
|
911 | while (count) |
|
|
912 | { |
|
|
913 | ssize_t cnt; |
|
|
914 | |
|
|
915 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
|
|
916 | |
|
|
917 | if (cnt <= 0) |
|
|
918 | { |
|
|
919 | if (cnt && !res) res = -1; |
|
|
920 | break; |
|
|
921 | } |
|
|
922 | |
|
|
923 | cnt = write (ofd, aio_buf, cnt); |
|
|
924 | |
|
|
925 | if (cnt <= 0) |
|
|
926 | { |
|
|
927 | if (cnt && !res) res = -1; |
|
|
928 | break; |
|
|
929 | } |
|
|
930 | |
|
|
931 | offset += cnt; |
|
|
932 | res += cnt; |
|
|
933 | count -= cnt; |
|
|
934 | } |
|
|
935 | } |
|
|
936 | |
|
|
937 | return res; |
|
|
938 | } |
|
|
939 | |
|
|
940 | /* read a full directory */ |
|
|
941 | static void scandir_ (aio_req req, worker *self) |
|
|
942 | { |
|
|
943 | DIR *dirp; |
|
|
944 | union |
|
|
945 | { |
|
|
946 | struct dirent d; |
|
|
947 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
948 | } *u; |
|
|
949 | struct dirent *entp; |
|
|
950 | char *name, *names; |
|
|
951 | int memlen = 4096; |
|
|
952 | int memofs = 0; |
|
|
953 | int res = 0; |
|
|
954 | int errorno; |
|
|
955 | |
|
|
956 | LOCK (wrklock); |
|
|
957 | self->dirp = dirp = opendir (req->dataptr); |
|
|
958 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
959 | req->data2ptr = names = malloc (memlen); |
|
|
960 | UNLOCK (wrklock); |
|
|
961 | |
|
|
962 | if (dirp && u && names) |
|
|
963 | for (;;) |
|
|
964 | { |
|
|
965 | errno = 0; |
|
|
966 | readdir_r (dirp, &u->d, &entp); |
|
|
967 | |
|
|
968 | if (!entp) |
|
|
969 | break; |
|
|
970 | |
|
|
971 | name = entp->d_name; |
|
|
972 | |
|
|
973 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
974 | { |
|
|
975 | int len = strlen (name) + 1; |
|
|
976 | |
|
|
977 | res++; |
|
|
978 | |
|
|
979 | while (memofs + len > memlen) |
|
|
980 | { |
|
|
981 | memlen *= 2; |
|
|
982 | LOCK (wrklock); |
|
|
983 | req->data2ptr = names = realloc (names, memlen); |
|
|
984 | UNLOCK (wrklock); |
|
|
985 | |
|
|
986 | if (!names) |
|
|
987 | break; |
|
|
988 | } |
|
|
989 | |
|
|
990 | memcpy (names + memofs, name, len); |
|
|
991 | memofs += len; |
|
|
992 | } |
|
|
993 | } |
|
|
994 | |
|
|
995 | if (errno) |
|
|
996 | res = -1; |
|
|
997 | |
|
|
998 | req->result = res; |
|
|
999 | } |
|
|
1000 | |
|
|
1001 | /*****************************************************************************/ |
|
|
1002 | |
|
|
1003 | static void *aio_proc (void *thr_arg) |
|
|
1004 | { |
|
|
1005 | aio_req req; |
|
|
1006 | worker *self = (worker *)thr_arg; |
|
|
1007 | |
|
|
1008 | for (;;) |
|
|
1009 | { |
|
|
1010 | LOCK (reqlock); |
|
|
1011 | |
|
|
1012 | for (;;) |
|
|
1013 | { |
|
|
1014 | self->req = req = reqq_shift (&req_queue); |
|
|
1015 | |
|
|
1016 | if (req) |
|
|
1017 | break; |
|
|
1018 | |
|
|
1019 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
1020 | } |
|
|
1021 | |
|
|
1022 | --nready; |
|
|
1023 | |
|
|
1024 | UNLOCK (reqlock); |
|
|
1025 | |
|
|
1026 | errno = 0; /* strictly unnecessary */ |
|
|
1027 | |
|
|
1028 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
1029 | switch (req->type) |
|
|
1030 | { |
|
|
1031 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
1032 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
1033 | |
|
|
1034 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
1035 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
|
|
1036 | |
|
|
1037 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
1038 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
1039 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
1040 | |
|
|
1041 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
1042 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
1043 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
1044 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
1045 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
|
|
1046 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
|
|
1047 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
1048 | |
|
|
1049 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
1050 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
1051 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
1052 | |
|
|
1053 | case REQ_BUSY: |
|
|
1054 | { |
|
|
1055 | struct timeval tv; |
|
|
1056 | |
|
|
1057 | tv.tv_sec = req->fd; |
|
|
1058 | tv.tv_usec = req->fd2; |
|
|
1059 | |
|
|
1060 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1061 | } |
|
|
1062 | |
|
|
1063 | case REQ_GROUP: |
|
|
1064 | case REQ_NOP: |
|
|
1065 | break; |
|
|
1066 | |
|
|
1067 | case REQ_QUIT: |
|
|
1068 | LOCK (wrklock); |
|
|
1069 | worker_free (self); |
|
|
1070 | --started; |
|
|
1071 | UNLOCK (wrklock); |
|
|
1072 | return 0; |
|
|
1073 | |
|
|
1074 | default: |
|
|
1075 | req->result = ENOSYS; |
|
|
1076 | break; |
|
|
1077 | } |
|
|
1078 | |
|
|
1079 | req->errorno = errno; |
|
|
1080 | |
|
|
1081 | LOCK (reslock); |
|
|
1082 | |
|
|
1083 | ++npending; |
|
|
1084 | |
|
|
1085 | if (!reqq_push (&res_queue, req)) |
|
|
1086 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
1087 | write (respipe [1], &respipe, 1); |
|
|
1088 | |
|
|
1089 | self->req = 0; |
|
|
1090 | worker_clear (self); |
|
|
1091 | |
|
|
1092 | UNLOCK (reslock); |
|
|
1093 | } |
|
|
1094 | } |
|
|
1095 | |
|
|
1096 | /*****************************************************************************/ |
|
|
1097 | |
|
|
1098 | static void atfork_prepare (void) |
|
|
1099 | { |
|
|
1100 | LOCK (wrklock); |
|
|
1101 | LOCK (reqlock); |
|
|
1102 | LOCK (reslock); |
|
|
1103 | #if !HAVE_PREADWRITE |
|
|
1104 | LOCK (preadwritelock); |
|
|
1105 | #endif |
|
|
1106 | #if !HAVE_READDIR_R |
|
|
1107 | LOCK (readdirlock); |
|
|
1108 | #endif |
|
|
1109 | } |
|
|
1110 | |
|
|
1111 | static void atfork_parent (void) |
|
|
1112 | { |
|
|
1113 | #if !HAVE_READDIR_R |
|
|
1114 | UNLOCK (readdirlock); |
|
|
1115 | #endif |
|
|
1116 | #if !HAVE_PREADWRITE |
|
|
1117 | UNLOCK (preadwritelock); |
|
|
1118 | #endif |
|
|
1119 | UNLOCK (reslock); |
|
|
1120 | UNLOCK (reqlock); |
|
|
1121 | UNLOCK (wrklock); |
|
|
1122 | } |
556 | } |
1123 | |
557 | |
1124 | static void atfork_child (void) |
558 | static void atfork_child (void) |
1125 | { |
559 | { |
1126 | aio_req prv; |
|
|
1127 | |
|
|
1128 | while (prv = reqq_shift (&req_queue)) |
|
|
1129 | req_free (prv); |
|
|
1130 | |
|
|
1131 | while (prv = reqq_shift (&res_queue)) |
|
|
1132 | req_free (prv); |
|
|
1133 | |
|
|
1134 | while (wrk_first.next != &wrk_first) |
|
|
1135 | { |
|
|
1136 | worker *wrk = wrk_first.next; |
|
|
1137 | |
|
|
1138 | if (wrk->req) |
|
|
1139 | req_free (wrk->req); |
|
|
1140 | |
|
|
1141 | worker_clear (wrk); |
|
|
1142 | worker_free (wrk); |
|
|
1143 | } |
|
|
1144 | |
|
|
1145 | started = 0; |
|
|
1146 | nreqs = 0; |
|
|
1147 | |
|
|
1148 | close (respipe [0]); |
|
|
1149 | close (respipe [1]); |
|
|
1150 | create_pipe (); |
560 | create_respipe (); |
|
|
561 | } |
1151 | |
562 | |
1152 | atfork_parent (); |
563 | static SV * |
|
|
564 | get_cb (SV *cb_sv) |
|
|
565 | { |
|
|
566 | SvGETMAGIC (cb_sv); |
|
|
567 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
1153 | } |
568 | } |
1154 | |
569 | |
1155 | #define dREQ \ |
570 | #define dREQ \ |
|
|
571 | SV *cb_cv; \ |
1156 | aio_req req; \ |
572 | aio_req req; \ |
1157 | int req_pri = next_pri; \ |
573 | int req_pri = next_pri; \ |
1158 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
574 | next_pri = EIO_PRI_DEFAULT; \ |
1159 | \ |
575 | \ |
1160 | if (SvOK (callback) && !SvROK (callback)) \ |
576 | cb_cv = get_cb (callback); \ |
1161 | croak ("callback must be undef or of reference type"); \ |
|
|
1162 | \ |
577 | \ |
1163 | Newz (0, req, 1, aio_cb); \ |
578 | Newz (0, req, 1, eio_req); \ |
1164 | if (!req) \ |
579 | if (!req) \ |
1165 | croak ("out of memory during aio_req allocation"); \ |
580 | croak ("out of memory during eio_req allocation"); \ |
1166 | \ |
581 | \ |
1167 | req->callback = newSVsv (callback); \ |
582 | req->callback = SvREFCNT_inc (cb_cv); \ |
1168 | req->pri = req_pri |
583 | req->pri = req_pri |
1169 | |
584 | |
1170 | #define REQ_SEND \ |
585 | #define REQ_SEND \ |
|
|
586 | PUTBACK; \ |
1171 | req_send (req); \ |
587 | req_submit (req); \ |
|
|
588 | SPAGAIN; \ |
1172 | \ |
589 | \ |
1173 | if (GIMME_V != G_VOID) \ |
590 | if (GIMME_V != G_VOID) \ |
1174 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
591 | XPUSHs (req_sv (req, aio_req_stash)); |
1175 | |
592 | |
1176 | MODULE = IO::AIO PACKAGE = IO::AIO |
593 | MODULE = IO::AIO PACKAGE = IO::AIO |
1177 | |
594 | |
1178 | PROTOTYPES: ENABLE |
595 | PROTOTYPES: ENABLE |
1179 | |
596 | |
1180 | BOOT: |
597 | BOOT: |
1181 | { |
598 | { |
|
|
599 | static const struct { |
|
|
600 | const char *name; |
|
|
601 | IV iv; |
|
|
602 | } *civ, const_iv[] = { |
|
|
603 | # define const_iv(name, value) { # name, (IV) value }, |
|
|
604 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
|
|
605 | const_iv (EXDEV , EXDEV) |
|
|
606 | const_iv (ENOSYS , ENOSYS) |
|
|
607 | const_iv (O_RDONLY, O_RDONLY) |
|
|
608 | const_iv (O_WRONLY, O_WRONLY) |
|
|
609 | const_iv (O_CREAT , O_CREAT) |
|
|
610 | const_iv (O_TRUNC , O_TRUNC) |
|
|
611 | #ifndef _WIN32 |
|
|
612 | const_iv (S_IFIFO , S_IFIFO) |
|
|
613 | #endif |
|
|
614 | const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
615 | const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
616 | const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
617 | const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
618 | const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
619 | const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
620 | |
|
|
621 | const_iv (ST_RDONLY , ST_RDONLY) |
|
|
622 | const_iv (ST_NOSUID , ST_NOSUID) |
|
|
623 | const_iv (ST_NODEV , ST_NODEV) |
|
|
624 | const_iv (ST_NOEXEC , ST_NOEXEC) |
|
|
625 | const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS) |
|
|
626 | const_iv (ST_MANDLOCK , ST_MANDLOCK) |
|
|
627 | const_iv (ST_WRITE , ST_WRITE) |
|
|
628 | const_iv (ST_APPEND , ST_APPEND) |
|
|
629 | const_iv (ST_IMMUTABLE , ST_IMMUTABLE) |
|
|
630 | const_iv (ST_NOATIME , ST_NOATIME) |
|
|
631 | const_iv (ST_NODIRATIME , ST_NODIRATIME) |
|
|
632 | const_iv (ST_RELATIME , ST_RELATIME) |
|
|
633 | |
|
|
634 | const_eio (MS_ASYNC) |
|
|
635 | const_eio (MS_INVALIDATE) |
|
|
636 | const_eio (MS_SYNC) |
|
|
637 | |
|
|
638 | const_eio (MT_MODIFY) |
|
|
639 | |
|
|
640 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
641 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
642 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
643 | |
|
|
644 | const_eio (READDIR_DENTS) |
|
|
645 | const_eio (READDIR_DIRS_FIRST) |
|
|
646 | const_eio (READDIR_STAT_ORDER) |
|
|
647 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
648 | |
|
|
649 | const_eio (DT_UNKNOWN) |
|
|
650 | const_eio (DT_FIFO) |
|
|
651 | const_eio (DT_CHR) |
|
|
652 | const_eio (DT_DIR) |
|
|
653 | const_eio (DT_BLK) |
|
|
654 | const_eio (DT_REG) |
|
|
655 | const_eio (DT_LNK) |
|
|
656 | const_eio (DT_SOCK) |
|
|
657 | const_eio (DT_WHT) |
|
|
658 | }; |
|
|
659 | |
1182 | HV *stash = gv_stashpv ("IO::AIO", 1); |
660 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
1183 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
661 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
1184 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
662 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
1185 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1186 | |
663 | |
|
|
664 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
|
|
665 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
|
|
666 | |
1187 | create_pipe (); |
667 | create_respipe (); |
1188 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
|
|
1189 | |
668 | |
1190 | start_thread (); |
669 | if (eio_init (want_poll, done_poll) < 0) |
|
|
670 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
671 | |
|
|
672 | /* atfork child called in fifo order, so before eio's handler */ |
|
|
673 | X_THREAD_ATFORK (0, 0, atfork_child); |
1191 | } |
674 | } |
|
|
675 | |
|
|
676 | void |
|
|
677 | max_poll_reqs (int nreqs) |
|
|
678 | PROTOTYPE: $ |
|
|
679 | CODE: |
|
|
680 | eio_set_max_poll_reqs (nreqs); |
|
|
681 | |
|
|
682 | void |
|
|
683 | max_poll_time (double nseconds) |
|
|
684 | PROTOTYPE: $ |
|
|
685 | CODE: |
|
|
686 | eio_set_max_poll_time (nseconds); |
1192 | |
687 | |
1193 | void |
688 | void |
1194 | min_parallel (int nthreads) |
689 | min_parallel (int nthreads) |
1195 | PROTOTYPE: $ |
690 | PROTOTYPE: $ |
|
|
691 | CODE: |
|
|
692 | eio_set_min_parallel (nthreads); |
1196 | |
693 | |
1197 | void |
694 | void |
1198 | max_parallel (int nthreads) |
695 | max_parallel (int nthreads) |
1199 | PROTOTYPE: $ |
696 | PROTOTYPE: $ |
|
|
697 | CODE: |
|
|
698 | eio_set_max_parallel (nthreads); |
1200 | |
699 | |
1201 | int |
700 | void |
|
|
701 | max_idle (int nthreads) |
|
|
702 | PROTOTYPE: $ |
|
|
703 | CODE: |
|
|
704 | eio_set_max_idle (nthreads); |
|
|
705 | |
|
|
706 | void |
1202 | max_outstanding (int maxreqs) |
707 | max_outstanding (int maxreqs) |
1203 | PROTOTYPE: $ |
708 | PROTOTYPE: $ |
1204 | CODE: |
709 | CODE: |
1205 | RETVAL = max_outstanding; |
|
|
1206 | max_outstanding = maxreqs; |
710 | max_outstanding = maxreqs; |
1207 | OUTPUT: |
|
|
1208 | RETVAL |
|
|
1209 | |
711 | |
1210 | void |
712 | void |
1211 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
713 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1212 | SV * pathname |
|
|
1213 | int flags |
|
|
1214 | int mode |
|
|
1215 | SV * callback |
|
|
1216 | PROTOTYPE: $$$;$ |
714 | PROTOTYPE: $$$;$ |
1217 | PPCODE: |
715 | PPCODE: |
1218 | { |
716 | { |
1219 | dREQ; |
717 | dREQ; |
1220 | |
718 | |
1221 | req->type = REQ_OPEN; |
719 | req->type = EIO_OPEN; |
1222 | req->data = newSVsv (pathname); |
720 | req->sv1 = newSVsv (pathname); |
1223 | req->dataptr = SvPVbyte_nolen (req->data); |
721 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1224 | req->fd = flags; |
722 | req->int1 = flags; |
1225 | req->mode = mode; |
723 | req->int2 = mode; |
1226 | |
724 | |
1227 | REQ_SEND; |
725 | REQ_SEND; |
1228 | } |
726 | } |
1229 | |
727 | |
1230 | void |
728 | void |
1231 | aio_close (fh,callback=&PL_sv_undef) |
729 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1232 | SV * fh |
|
|
1233 | SV * callback |
|
|
1234 | PROTOTYPE: $;$ |
730 | PROTOTYPE: $;$ |
1235 | ALIAS: |
731 | ALIAS: |
1236 | aio_close = REQ_CLOSE |
|
|
1237 | aio_fsync = REQ_FSYNC |
732 | aio_fsync = EIO_FSYNC |
1238 | aio_fdatasync = REQ_FDATASYNC |
733 | aio_fdatasync = EIO_FDATASYNC |
1239 | PPCODE: |
734 | PPCODE: |
1240 | { |
735 | { |
|
|
736 | int fd = s_fileno_croak (fh, 0); |
1241 | dREQ; |
737 | dREQ; |
1242 | |
738 | |
1243 | req->type = ix; |
739 | req->type = ix; |
1244 | req->fh = newSVsv (fh); |
740 | req->sv1 = newSVsv (fh); |
1245 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
741 | req->int1 = fd; |
1246 | |
742 | |
1247 | REQ_SEND (req); |
743 | REQ_SEND (req); |
1248 | } |
744 | } |
1249 | |
745 | |
1250 | void |
746 | void |
|
|
747 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
|
|
748 | PROTOTYPE: $$$$;$ |
|
|
749 | PPCODE: |
|
|
750 | { |
|
|
751 | int fd = s_fileno_croak (fh, 0); |
|
|
752 | dREQ; |
|
|
753 | |
|
|
754 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
755 | req->sv1 = newSVsv (fh); |
|
|
756 | req->int1 = fd; |
|
|
757 | req->offs = offset; |
|
|
758 | req->size = nbytes; |
|
|
759 | req->int2 = flags; |
|
|
760 | |
|
|
761 | REQ_SEND (req); |
|
|
762 | } |
|
|
763 | |
|
|
764 | void |
|
|
765 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
766 | PROTOTYPE: $;$ |
|
|
767 | PPCODE: |
|
|
768 | { |
|
|
769 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
770 | int fd = s_fileno_croak (fh, 0); |
|
|
771 | dREQ; |
|
|
772 | |
|
|
773 | if (close_pipe < 0) |
|
|
774 | { |
|
|
775 | int pipefd [2]; |
|
|
776 | |
|
|
777 | if (pipe (pipefd) < 0 |
|
|
778 | || close (pipefd [1]) < 0 |
|
|
779 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
|
|
780 | abort (); /*D*/ |
|
|
781 | |
|
|
782 | close_pipe = pipefd [0]; |
|
|
783 | } |
|
|
784 | |
|
|
785 | req->type = EIO_DUP2; |
|
|
786 | req->int1 = close_pipe; |
|
|
787 | req->sv2 = newSVsv (fh); |
|
|
788 | req->int2 = fd; |
|
|
789 | |
|
|
790 | REQ_SEND (req); |
|
|
791 | } |
|
|
792 | |
|
|
793 | void |
1251 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
794 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1252 | SV * fh |
|
|
1253 | UV offset |
|
|
1254 | UV length |
|
|
1255 | SV * data |
|
|
1256 | UV dataoffset |
|
|
1257 | SV * callback |
|
|
1258 | ALIAS: |
795 | ALIAS: |
1259 | aio_read = REQ_READ |
796 | aio_read = EIO_READ |
1260 | aio_write = REQ_WRITE |
797 | aio_write = EIO_WRITE |
1261 | PROTOTYPE: $$$$$;$ |
798 | PROTOTYPE: $$$$$;$ |
1262 | PPCODE: |
799 | PPCODE: |
1263 | { |
800 | { |
1264 | aio_req req; |
|
|
1265 | STRLEN svlen; |
801 | STRLEN svlen; |
|
|
802 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1266 | char *svptr = SvPVbyte (data, svlen); |
803 | char *svptr = SvPVbyte (data, svlen); |
1267 | |
804 | UV len = SvUV (length); |
1268 | SvUPGRADE (data, SVt_PV); |
|
|
1269 | SvPOK_on (data); |
|
|
1270 | |
805 | |
1271 | if (dataoffset < 0) |
806 | if (dataoffset < 0) |
1272 | dataoffset += svlen; |
807 | dataoffset += svlen; |
1273 | |
808 | |
1274 | if (dataoffset < 0 || dataoffset > svlen) |
809 | if (dataoffset < 0 || dataoffset > svlen) |
1275 | croak ("data offset outside of string"); |
810 | croak ("dataoffset outside of data scalar"); |
1276 | |
811 | |
1277 | if (ix == REQ_WRITE) |
812 | if (ix == EIO_WRITE) |
1278 | { |
813 | { |
1279 | /* write: check length and adjust. */ |
814 | /* write: check length and adjust. */ |
1280 | if (length < 0 || length + dataoffset > svlen) |
815 | if (!SvOK (length) || len + dataoffset > svlen) |
1281 | length = svlen - dataoffset; |
816 | len = svlen - dataoffset; |
1282 | } |
817 | } |
1283 | else |
818 | else |
1284 | { |
819 | { |
1285 | /* read: grow scalar as necessary */ |
820 | /* read: check type and grow scalar as necessary */ |
|
|
821 | SvUPGRADE (data, SVt_PV); |
1286 | svptr = SvGROW (data, length + dataoffset); |
822 | svptr = SvGROW (data, len + dataoffset + 1); |
1287 | } |
823 | } |
1288 | |
|
|
1289 | if (length < 0) |
|
|
1290 | croak ("length must not be negative"); |
|
|
1291 | |
824 | |
1292 | { |
825 | { |
1293 | dREQ; |
826 | dREQ; |
1294 | |
827 | |
1295 | req->type = ix; |
828 | req->type = ix; |
1296 | req->fh = newSVsv (fh); |
829 | req->sv1 = newSVsv (fh); |
1297 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
830 | req->int1 = fd; |
1298 | : IoOFP (sv_2io (fh))); |
831 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1299 | req->offset = offset; |
832 | req->size = len; |
1300 | req->length = length; |
|
|
1301 | req->data = SvREFCNT_inc (data); |
833 | req->sv2 = SvREFCNT_inc (data); |
1302 | req->dataptr = (char *)svptr + dataoffset; |
834 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
835 | req->stroffset = dataoffset; |
1303 | |
836 | |
1304 | if (!SvREADONLY (data)) |
837 | if (!SvREADONLY (data)) |
1305 | { |
838 | { |
1306 | SvREADONLY_on (data); |
839 | SvREADONLY_on (data); |
1307 | req->data2ptr = (void *)data; |
840 | req->flags |= FLAG_SV2_RO_OFF; |
1308 | } |
841 | } |
1309 | |
842 | |
1310 | REQ_SEND; |
843 | REQ_SEND; |
1311 | } |
844 | } |
1312 | } |
845 | } |
1313 | |
846 | |
1314 | void |
847 | void |
|
|
848 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
|
|
849 | PROTOTYPE: $$;$ |
|
|
850 | PPCODE: |
|
|
851 | { |
|
|
852 | SV *data; |
|
|
853 | dREQ; |
|
|
854 | |
|
|
855 | req->type = EIO_READLINK; |
|
|
856 | req->sv1 = newSVsv (path); |
|
|
857 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
858 | |
|
|
859 | REQ_SEND; |
|
|
860 | } |
|
|
861 | |
|
|
862 | void |
1315 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
863 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
1316 | SV * out_fh |
|
|
1317 | SV * in_fh |
|
|
1318 | UV in_offset |
|
|
1319 | UV length |
|
|
1320 | SV * callback |
|
|
1321 | PROTOTYPE: $$$$;$ |
864 | PROTOTYPE: $$$$;$ |
1322 | PPCODE: |
865 | PPCODE: |
1323 | { |
866 | { |
|
|
867 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
868 | int ofd = s_fileno_croak (out_fh, 1); |
1324 | dREQ; |
869 | dREQ; |
1325 | |
870 | |
1326 | req->type = REQ_SENDFILE; |
871 | req->type = EIO_SENDFILE; |
1327 | req->fh = newSVsv (out_fh); |
872 | req->sv1 = newSVsv (out_fh); |
1328 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
873 | req->int1 = ofd; |
1329 | req->fh2 = newSVsv (in_fh); |
874 | req->sv2 = newSVsv (in_fh); |
1330 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
875 | req->int2 = ifd; |
1331 | req->offset = in_offset; |
876 | req->offs = in_offset; |
1332 | req->length = length; |
877 | req->size = length; |
1333 | |
878 | |
1334 | REQ_SEND; |
879 | REQ_SEND; |
1335 | } |
880 | } |
1336 | |
881 | |
1337 | void |
882 | void |
1338 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
883 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1339 | SV * fh |
|
|
1340 | UV offset |
|
|
1341 | IV length |
|
|
1342 | SV * callback |
|
|
1343 | PROTOTYPE: $$$;$ |
884 | PROTOTYPE: $$$;$ |
1344 | PPCODE: |
885 | PPCODE: |
1345 | { |
886 | { |
|
|
887 | int fd = s_fileno_croak (fh, 0); |
1346 | dREQ; |
888 | dREQ; |
1347 | |
889 | |
1348 | req->type = REQ_READAHEAD; |
890 | req->type = EIO_READAHEAD; |
1349 | req->fh = newSVsv (fh); |
891 | req->sv1 = newSVsv (fh); |
1350 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
892 | req->int1 = fd; |
1351 | req->offset = offset; |
893 | req->offs = offset; |
1352 | req->length = length; |
894 | req->size = length; |
1353 | |
895 | |
1354 | REQ_SEND; |
896 | REQ_SEND; |
1355 | } |
897 | } |
1356 | |
898 | |
1357 | void |
899 | void |
1358 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
900 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1359 | SV * fh_or_path |
|
|
1360 | SV * callback |
|
|
1361 | ALIAS: |
901 | ALIAS: |
1362 | aio_stat = REQ_STAT |
902 | aio_stat = EIO_STAT |
1363 | aio_lstat = REQ_LSTAT |
903 | aio_lstat = EIO_LSTAT |
|
|
904 | aio_statvfs = EIO_STATVFS |
1364 | PPCODE: |
905 | PPCODE: |
1365 | { |
906 | { |
1366 | dREQ; |
907 | dREQ; |
1367 | |
908 | |
1368 | New (0, req->statdata, 1, Stat_t); |
909 | req->sv1 = newSVsv (fh_or_path); |
1369 | if (!req->statdata) |
|
|
1370 | { |
|
|
1371 | req_free (req); |
|
|
1372 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
1373 | } |
|
|
1374 | |
910 | |
1375 | if (SvPOK (fh_or_path)) |
911 | if (SvPOK (req->sv1)) |
1376 | { |
912 | { |
1377 | req->type = ix; |
913 | req->type = ix; |
1378 | req->data = newSVsv (fh_or_path); |
|
|
1379 | req->dataptr = SvPVbyte_nolen (req->data); |
914 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1380 | } |
915 | } |
1381 | else |
916 | else |
1382 | { |
917 | { |
1383 | req->type = REQ_FSTAT; |
918 | req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT; |
1384 | req->fh = newSVsv (fh_or_path); |
|
|
1385 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
919 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1386 | } |
920 | } |
1387 | |
921 | |
1388 | REQ_SEND; |
922 | REQ_SEND; |
1389 | } |
923 | } |
1390 | |
924 | |
1391 | void |
925 | void |
|
|
926 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
927 | PPCODE: |
|
|
928 | { |
|
|
929 | dREQ; |
|
|
930 | |
|
|
931 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
932 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
933 | req->sv1 = newSVsv (fh_or_path); |
|
|
934 | |
|
|
935 | if (SvPOK (req->sv1)) |
|
|
936 | { |
|
|
937 | req->type = EIO_UTIME; |
|
|
938 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
939 | } |
|
|
940 | else |
|
|
941 | { |
|
|
942 | req->type = EIO_FUTIME; |
|
|
943 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
944 | } |
|
|
945 | |
|
|
946 | REQ_SEND; |
|
|
947 | } |
|
|
948 | |
|
|
949 | void |
|
|
950 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
951 | PPCODE: |
|
|
952 | { |
|
|
953 | dREQ; |
|
|
954 | |
|
|
955 | req->sv1 = newSVsv (fh_or_path); |
|
|
956 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
957 | |
|
|
958 | if (SvPOK (req->sv1)) |
|
|
959 | { |
|
|
960 | req->type = EIO_TRUNCATE; |
|
|
961 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
962 | } |
|
|
963 | else |
|
|
964 | { |
|
|
965 | req->type = EIO_FTRUNCATE; |
|
|
966 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
967 | } |
|
|
968 | |
|
|
969 | REQ_SEND; |
|
|
970 | } |
|
|
971 | |
|
|
972 | void |
|
|
973 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
974 | ALIAS: |
|
|
975 | aio_chmod = EIO_CHMOD |
|
|
976 | aio_mkdir = EIO_MKDIR |
|
|
977 | PPCODE: |
|
|
978 | { |
|
|
979 | dREQ; |
|
|
980 | |
|
|
981 | req->int2 = mode; |
|
|
982 | req->sv1 = newSVsv (fh_or_path); |
|
|
983 | |
|
|
984 | if (SvPOK (req->sv1)) |
|
|
985 | { |
|
|
986 | req->type = ix; |
|
|
987 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
988 | } |
|
|
989 | else |
|
|
990 | { |
|
|
991 | req->type = EIO_FCHMOD; |
|
|
992 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
993 | } |
|
|
994 | |
|
|
995 | REQ_SEND; |
|
|
996 | } |
|
|
997 | |
|
|
998 | void |
|
|
999 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
1000 | PPCODE: |
|
|
1001 | { |
|
|
1002 | dREQ; |
|
|
1003 | |
|
|
1004 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1005 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1006 | req->sv1 = newSVsv (fh_or_path); |
|
|
1007 | |
|
|
1008 | if (SvPOK (req->sv1)) |
|
|
1009 | { |
|
|
1010 | req->type = EIO_CHOWN; |
|
|
1011 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1012 | } |
|
|
1013 | else |
|
|
1014 | { |
|
|
1015 | req->type = EIO_FCHOWN; |
|
|
1016 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1017 | } |
|
|
1018 | |
|
|
1019 | REQ_SEND; |
|
|
1020 | } |
|
|
1021 | |
|
|
1022 | void |
|
|
1023 | aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
|
|
1024 | PPCODE: |
|
|
1025 | { |
|
|
1026 | dREQ; |
|
|
1027 | |
|
|
1028 | req->type = EIO_READDIR; |
|
|
1029 | req->sv1 = newSVsv (pathname); |
|
|
1030 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1031 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1032 | |
|
|
1033 | if (flags & EIO_READDIR_DENTS) |
|
|
1034 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1035 | |
|
|
1036 | REQ_SEND; |
|
|
1037 | } |
|
|
1038 | |
|
|
1039 | void |
1392 | aio_unlink (pathname,callback=&PL_sv_undef) |
1040 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1393 | SV * pathname |
|
|
1394 | SV * callback |
|
|
1395 | ALIAS: |
1041 | ALIAS: |
1396 | aio_unlink = REQ_UNLINK |
1042 | aio_unlink = EIO_UNLINK |
1397 | aio_rmdir = REQ_RMDIR |
1043 | aio_rmdir = EIO_RMDIR |
1398 | aio_readdir = REQ_READDIR |
1044 | aio_readdir = EIO_READDIR |
1399 | PPCODE: |
1045 | PPCODE: |
1400 | { |
1046 | { |
1401 | dREQ; |
1047 | dREQ; |
1402 | |
1048 | |
1403 | req->type = ix; |
1049 | req->type = ix; |
1404 | req->data = newSVsv (pathname); |
1050 | req->sv1 = newSVsv (pathname); |
1405 | req->dataptr = SvPVbyte_nolen (req->data); |
1051 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1406 | |
1052 | |
1407 | REQ_SEND; |
1053 | REQ_SEND; |
1408 | } |
1054 | } |
1409 | |
1055 | |
1410 | void |
1056 | void |
1411 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1057 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1412 | SV * oldpath |
|
|
1413 | SV * newpath |
|
|
1414 | SV * callback |
|
|
1415 | ALIAS: |
1058 | ALIAS: |
1416 | aio_link = REQ_LINK |
1059 | aio_link = EIO_LINK |
1417 | aio_symlink = REQ_SYMLINK |
1060 | aio_symlink = EIO_SYMLINK |
1418 | aio_rename = REQ_RENAME |
1061 | aio_rename = EIO_RENAME |
1419 | PPCODE: |
1062 | PPCODE: |
1420 | { |
1063 | { |
1421 | dREQ; |
1064 | dREQ; |
1422 | |
1065 | |
1423 | req->type = ix; |
1066 | req->type = ix; |
1424 | req->fh = newSVsv (oldpath); |
1067 | req->sv1 = newSVsv (oldpath); |
1425 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1068 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1426 | req->data = newSVsv (newpath); |
1069 | req->sv2 = newSVsv (newpath); |
1427 | req->dataptr = SvPVbyte_nolen (req->data); |
1070 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
1428 | |
1071 | |
1429 | REQ_SEND; |
1072 | REQ_SEND; |
1430 | } |
1073 | } |
1431 | |
1074 | |
1432 | void |
1075 | void |
1433 | aio_busy (delay,callback=&PL_sv_undef) |
1076 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1434 | double delay |
|
|
1435 | SV * callback |
|
|
1436 | PPCODE: |
1077 | PPCODE: |
1437 | { |
1078 | { |
1438 | dREQ; |
1079 | dREQ; |
1439 | |
1080 | |
1440 | req->type = REQ_BUSY; |
1081 | req->type = EIO_MKNOD; |
1441 | req->fd = delay < 0. ? 0 : delay; |
1082 | req->sv1 = newSVsv (pathname); |
1442 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1083 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1443 | |
1084 | req->int2 = (mode_t)mode; |
|
|
1085 | req->offs = dev; |
|
|
1086 | |
1444 | REQ_SEND; |
1087 | REQ_SEND; |
1445 | } |
1088 | } |
1446 | |
1089 | |
1447 | void |
1090 | void |
|
|
1091 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
|
|
1092 | ALIAS: |
|
|
1093 | aio_mtouch = EIO_MTOUCH |
|
|
1094 | aio_msync = EIO_MSYNC |
|
|
1095 | PROTOTYPE: $$$$;$ |
|
|
1096 | PPCODE: |
|
|
1097 | { |
|
|
1098 | STRLEN svlen; |
|
|
1099 | UV len = SvUV (length); |
|
|
1100 | char *svptr = SvPVbyte (data, svlen); |
|
|
1101 | |
|
|
1102 | if (offset < 0) |
|
|
1103 | offset += svlen; |
|
|
1104 | |
|
|
1105 | if (offset < 0 || offset > svlen) |
|
|
1106 | croak ("offset outside of scalar"); |
|
|
1107 | |
|
|
1108 | if (!SvOK (length) || len + offset > svlen) |
|
|
1109 | len = svlen - offset; |
|
|
1110 | |
|
|
1111 | { |
|
|
1112 | dREQ; |
|
|
1113 | |
|
|
1114 | req->type = ix; |
|
|
1115 | req->size = len; |
|
|
1116 | req->sv2 = SvREFCNT_inc (data); |
|
|
1117 | req->ptr2 = (char *)svptr + offset; |
|
|
1118 | req->int1 = flags; |
|
|
1119 | |
|
|
1120 | REQ_SEND; |
|
|
1121 | } |
|
|
1122 | } |
|
|
1123 | |
|
|
1124 | void |
|
|
1125 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
|
|
1126 | PPCODE: |
|
|
1127 | { |
|
|
1128 | dREQ; |
|
|
1129 | |
|
|
1130 | req->type = EIO_BUSY; |
|
|
1131 | req->nv1 = delay < 0. ? 0. : delay; |
|
|
1132 | |
|
|
1133 | REQ_SEND; |
|
|
1134 | } |
|
|
1135 | |
|
|
1136 | void |
1448 | aio_group (callback=&PL_sv_undef) |
1137 | aio_group (SV *callback=&PL_sv_undef) |
1449 | SV * callback |
|
|
1450 | PROTOTYPE: ;$ |
1138 | PROTOTYPE: ;$ |
1451 | PPCODE: |
1139 | PPCODE: |
1452 | { |
1140 | { |
1453 | dREQ; |
1141 | dREQ; |
1454 | |
1142 | |
1455 | req->type = REQ_GROUP; |
1143 | req->type = EIO_GROUP; |
|
|
1144 | |
1456 | req_send (req); |
1145 | req_submit (req); |
1457 | |
|
|
1458 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1146 | XPUSHs (req_sv (req, aio_grp_stash)); |
1459 | } |
1147 | } |
1460 | |
1148 | |
1461 | void |
1149 | void |
1462 | aio_nop (callback=&PL_sv_undef) |
1150 | aio_nop (SV *callback=&PL_sv_undef) |
1463 | SV * callback |
1151 | ALIAS: |
|
|
1152 | aio_nop = EIO_NOP |
|
|
1153 | aio_sync = EIO_SYNC |
1464 | PPCODE: |
1154 | PPCODE: |
1465 | { |
1155 | { |
1466 | dREQ; |
1156 | dREQ; |
1467 | |
1157 | |
1468 | req->type = REQ_NOP; |
1158 | req->type = ix; |
1469 | |
1159 | |
1470 | REQ_SEND; |
1160 | REQ_SEND; |
1471 | } |
1161 | } |
1472 | |
1162 | |
1473 | int |
1163 | int |
1474 | aioreq_pri (int pri = 0) |
1164 | aioreq_pri (int pri = 0) |
1475 | PROTOTYPE: ;$ |
1165 | PROTOTYPE: ;$ |
1476 | CODE: |
1166 | CODE: |
1477 | RETVAL = next_pri - PRI_BIAS; |
1167 | RETVAL = next_pri; |
1478 | if (items > 0) |
1168 | if (items > 0) |
1479 | { |
1169 | { |
1480 | if (pri < PRI_MIN) pri = PRI_MIN; |
1170 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1481 | if (pri > PRI_MAX) pri = PRI_MAX; |
1171 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1482 | next_pri = pri + PRI_BIAS; |
1172 | next_pri = pri; |
1483 | } |
1173 | } |
1484 | OUTPUT: |
1174 | OUTPUT: |
1485 | RETVAL |
1175 | RETVAL |
1486 | |
1176 | |
1487 | void |
1177 | void |
1488 | aioreq_nice (int nice = 0) |
1178 | aioreq_nice (int nice = 0) |
1489 | CODE: |
1179 | CODE: |
1490 | nice = next_pri - nice; |
1180 | nice = next_pri - nice; |
1491 | if (nice < PRI_MIN) nice = PRI_MIN; |
1181 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1492 | if (nice > PRI_MAX) nice = PRI_MAX; |
1182 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1493 | next_pri = nice + PRI_BIAS; |
1183 | next_pri = nice; |
1494 | |
1184 | |
1495 | void |
1185 | void |
1496 | flush () |
1186 | flush () |
1497 | PROTOTYPE: |
1187 | PROTOTYPE: |
1498 | CODE: |
1188 | CODE: |
1499 | while (nreqs) |
1189 | while (eio_nreqs ()) |
1500 | { |
1190 | { |
1501 | poll_wait (); |
1191 | poll_wait (); |
1502 | poll_cb (0); |
1192 | poll_cb (); |
1503 | } |
1193 | } |
1504 | |
1194 | |
1505 | void |
1195 | int |
1506 | poll() |
1196 | poll() |
1507 | PROTOTYPE: |
1197 | PROTOTYPE: |
1508 | CODE: |
1198 | CODE: |
1509 | if (nreqs) |
|
|
1510 | { |
|
|
1511 | poll_wait (); |
1199 | poll_wait (); |
1512 | poll_cb (0); |
1200 | RETVAL = poll_cb (); |
1513 | } |
1201 | OUTPUT: |
|
|
1202 | RETVAL |
1514 | |
1203 | |
1515 | int |
1204 | int |
1516 | poll_fileno() |
1205 | poll_fileno() |
1517 | PROTOTYPE: |
1206 | PROTOTYPE: |
1518 | CODE: |
1207 | CODE: |
1519 | RETVAL = respipe [0]; |
1208 | RETVAL = s_epipe_fd (&respipe); |
1520 | OUTPUT: |
1209 | OUTPUT: |
1521 | RETVAL |
1210 | RETVAL |
1522 | |
1211 | |
1523 | int |
1212 | int |
1524 | poll_cb(...) |
1213 | poll_cb(...) |
1525 | PROTOTYPE: |
1214 | PROTOTYPE: |
1526 | CODE: |
1215 | CODE: |
1527 | RETVAL = poll_cb (0); |
1216 | RETVAL = poll_cb (); |
1528 | OUTPUT: |
1217 | OUTPUT: |
1529 | RETVAL |
1218 | RETVAL |
1530 | |
1219 | |
1531 | int |
|
|
1532 | poll_some(int max = 0) |
|
|
1533 | PROTOTYPE: $ |
|
|
1534 | CODE: |
|
|
1535 | RETVAL = poll_cb (max); |
|
|
1536 | OUTPUT: |
|
|
1537 | RETVAL |
|
|
1538 | |
|
|
1539 | void |
1220 | void |
1540 | poll_wait() |
1221 | poll_wait() |
1541 | PROTOTYPE: |
1222 | PROTOTYPE: |
1542 | CODE: |
1223 | CODE: |
1543 | if (nreqs) |
|
|
1544 | poll_wait (); |
1224 | poll_wait (); |
1545 | |
1225 | |
1546 | int |
1226 | int |
1547 | nreqs() |
1227 | nreqs() |
1548 | PROTOTYPE: |
1228 | PROTOTYPE: |
1549 | CODE: |
1229 | CODE: |
1550 | RETVAL = nreqs; |
1230 | RETVAL = eio_nreqs (); |
1551 | OUTPUT: |
1231 | OUTPUT: |
1552 | RETVAL |
1232 | RETVAL |
1553 | |
1233 | |
1554 | int |
1234 | int |
1555 | nready() |
1235 | nready() |
1556 | PROTOTYPE: |
1236 | PROTOTYPE: |
1557 | CODE: |
1237 | CODE: |
1558 | RETVAL = get_nready (); |
1238 | RETVAL = eio_nready (); |
1559 | OUTPUT: |
1239 | OUTPUT: |
1560 | RETVAL |
1240 | RETVAL |
1561 | |
1241 | |
1562 | int |
1242 | int |
1563 | npending() |
1243 | npending() |
1564 | PROTOTYPE: |
1244 | PROTOTYPE: |
1565 | CODE: |
1245 | CODE: |
1566 | RETVAL = get_npending (); |
1246 | RETVAL = eio_npending (); |
1567 | OUTPUT: |
1247 | OUTPUT: |
1568 | RETVAL |
1248 | RETVAL |
1569 | |
1249 | |
|
|
1250 | int |
|
|
1251 | nthreads() |
|
|
1252 | PROTOTYPE: |
|
|
1253 | CODE: |
|
|
1254 | RETVAL = eio_nthreads (); |
|
|
1255 | OUTPUT: |
|
|
1256 | RETVAL |
|
|
1257 | |
|
|
1258 | int |
|
|
1259 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
1260 | PROTOTYPE: $$$$ |
|
|
1261 | CODE: |
|
|
1262 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
|
|
1263 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
1264 | #else |
|
|
1265 | RETVAL = errno = ENOSYS; |
|
|
1266 | #endif |
|
|
1267 | OUTPUT: |
|
|
1268 | RETVAL |
|
|
1269 | |
|
|
1270 | ssize_t |
|
|
1271 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
1272 | PROTOTYPE: $$$$ |
|
|
1273 | CODE: |
|
|
1274 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1275 | OUTPUT: |
|
|
1276 | RETVAL |
|
|
1277 | |
|
|
1278 | void _on_next_submit (SV *cb) |
|
|
1279 | CODE: |
|
|
1280 | SvREFCNT_dec (on_next_submit); |
|
|
1281 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1282 | |
1570 | PROTOTYPES: DISABLE |
1283 | PROTOTYPES: DISABLE |
1571 | |
1284 | |
1572 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1285 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1573 | |
1286 | |
1574 | void |
1287 | void |
1575 | cancel (aio_req_ornot req) |
1288 | cancel (aio_req_ornot req) |
1576 | CODE: |
1289 | CODE: |
1577 | req_cancel (req); |
1290 | eio_cancel (req); |
1578 | |
1291 | |
1579 | void |
1292 | void |
1580 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1293 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1581 | CODE: |
1294 | PPCODE: |
|
|
1295 | { |
|
|
1296 | if (GIMME_V != G_VOID) |
|
|
1297 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1298 | |
|
|
1299 | if (items > 1) |
|
|
1300 | { |
|
|
1301 | SV *cb_cv =get_cb (callback); |
|
|
1302 | |
1582 | SvREFCNT_dec (req->callback); |
1303 | SvREFCNT_dec (req->callback); |
1583 | req->callback = newSVsv (callback); |
1304 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1305 | } |
|
|
1306 | } |
1584 | |
1307 | |
1585 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1308 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1586 | |
1309 | |
1587 | void |
1310 | void |
1588 | add (aio_req grp, ...) |
1311 | add (aio_req grp, ...) |
1589 | PPCODE: |
1312 | PPCODE: |
1590 | { |
1313 | { |
1591 | int i; |
1314 | int i; |
1592 | aio_req req; |
|
|
1593 | |
1315 | |
1594 | if (grp->fd == 2) |
1316 | if (grp->int1 == 2) |
1595 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1317 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1596 | |
1318 | |
1597 | for (i = 1; i < items; ++i ) |
1319 | for (i = 1; i < items; ++i ) |
1598 | { |
1320 | { |
|
|
1321 | aio_req req; |
|
|
1322 | |
1599 | if (GIMME_V != G_VOID) |
1323 | if (GIMME_V != G_VOID) |
1600 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1324 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1601 | |
1325 | |
1602 | req = SvAIO_REQ (ST (i)); |
1326 | req = SvAIO_REQ (ST (i)); |
1603 | |
1327 | |
1604 | if (req) |
1328 | if (req) |
1605 | { |
1329 | eio_grp_add (grp, req); |
1606 | ++grp->length; |
|
|
1607 | req->grp = grp; |
|
|
1608 | |
|
|
1609 | req->grp_prev = 0; |
|
|
1610 | req->grp_next = grp->grp_first; |
|
|
1611 | |
|
|
1612 | if (grp->grp_first) |
|
|
1613 | grp->grp_first->grp_prev = req; |
|
|
1614 | |
|
|
1615 | grp->grp_first = req; |
|
|
1616 | } |
|
|
1617 | } |
1330 | } |
1618 | } |
1331 | } |
1619 | |
1332 | |
1620 | void |
1333 | void |
1621 | cancel_subs (aio_req_ornot req) |
1334 | cancel_subs (aio_req_ornot req) |
… | |
… | |
1630 | AV *av; |
1343 | AV *av; |
1631 | |
1344 | |
1632 | grp->errorno = errno; |
1345 | grp->errorno = errno; |
1633 | |
1346 | |
1634 | av = newAV (); |
1347 | av = newAV (); |
|
|
1348 | av_extend (av, items - 1); |
1635 | |
1349 | |
1636 | for (i = 1; i < items; ++i ) |
1350 | for (i = 1; i < items; ++i ) |
1637 | av_push (av, newSVsv (ST (i))); |
1351 | av_push (av, newSVsv (ST (i))); |
1638 | |
1352 | |
1639 | SvREFCNT_dec (grp->data); |
1353 | SvREFCNT_dec (grp->sv1); |
1640 | grp->data = (SV *)av; |
1354 | grp->sv1 = (SV *)av; |
1641 | } |
1355 | } |
1642 | |
1356 | |
1643 | void |
1357 | void |
1644 | errno (aio_req grp, int errorno = errno) |
1358 | errno (aio_req grp, int errorno = errno) |
1645 | CODE: |
1359 | CODE: |
1646 | grp->errorno = errorno; |
1360 | grp->errorno = errorno; |
1647 | |
1361 | |
1648 | void |
1362 | void |
1649 | limit (aio_req grp, int limit) |
1363 | limit (aio_req grp, int limit) |
1650 | CODE: |
1364 | CODE: |
1651 | grp->fd2 = limit; |
1365 | eio_grp_limit (grp, limit); |
1652 | aio_grp_feed (grp); |
|
|
1653 | |
1366 | |
1654 | void |
1367 | void |
1655 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1368 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1656 | CODE: |
1369 | CODE: |
1657 | { |
1370 | { |
1658 | SvREFCNT_dec (grp->fh2); |
1371 | SvREFCNT_dec (grp->sv2); |
1659 | grp->fh2 = newSVsv (callback); |
1372 | grp->sv2 = newSVsv (callback); |
|
|
1373 | grp->feed = aio_grp_feed; |
1660 | |
1374 | |
1661 | if (grp->fd2 <= 0) |
1375 | if (grp->int2 <= 0) |
1662 | grp->fd2 = 2; |
1376 | grp->int2 = 2; |
1663 | |
1377 | |
1664 | aio_grp_feed (grp); |
1378 | eio_grp_limit (grp, grp->int2); |
1665 | } |
1379 | } |
1666 | |
1380 | |