1 | #define _REENTRANT 1 |
1 | #include "libeio/xthread.h" |
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2 | |
2 | #include <errno.h> |
3 | #include <errno.h> |
3 | |
4 | |
4 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
5 | #include "perl.h" |
6 | #include "perl.h" |
6 | #include "XSUB.h" |
7 | #include "XSUB.h" |
7 | |
8 | |
8 | #include "autoconf/config.h" |
9 | #include "schmorp.h" |
9 | |
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10 | #include <pthread.h> |
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11 | |
10 | |
12 | #include <stddef.h> |
11 | #include <stddef.h> |
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12 | #include <stdlib.h> |
13 | #include <errno.h> |
13 | #include <errno.h> |
14 | #include <sys/time.h> |
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15 | #include <sys/select.h> |
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16 | #include <sys/types.h> |
14 | #include <sys/types.h> |
17 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
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16 | #include <sys/statvfs.h> |
18 | #include <limits.h> |
17 | #include <limits.h> |
19 | #include <unistd.h> |
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20 | #include <fcntl.h> |
18 | #include <fcntl.h> |
21 | #include <signal.h> |
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22 | #include <sched.h> |
19 | #include <sched.h> |
23 | |
20 | |
24 | #if HAVE_SENDFILE |
21 | #if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES |
25 | # if __linux |
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26 | # include <sys/sendfile.h> |
22 | # include <sys/mman.h> |
27 | # elif __freebsd |
23 | #endif |
28 | # include <sys/socket.h> |
24 | |
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25 | /* perl namespace pollution */ |
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26 | #undef VERSION |
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27 | |
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28 | #ifdef _WIN32 |
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29 | |
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30 | # define EIO_STRUCT_DIRENT Direntry_t |
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31 | # undef malloc |
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32 | # undef free |
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33 | |
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34 | // perl overrides all those nice win32 functions |
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35 | # undef open |
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36 | # undef read |
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37 | # undef write |
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38 | # undef send |
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39 | # undef recv |
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40 | # undef stat |
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41 | # undef fstat |
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42 | # define lstat stat |
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43 | # undef truncate |
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44 | # undef ftruncate |
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45 | # undef open |
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46 | # undef close |
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47 | # undef unlink |
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48 | # undef rmdir |
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49 | # undef rename |
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50 | # undef lseek |
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51 | |
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52 | # define chown(a,b,c) (errno = ENOSYS, -1) |
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53 | # define fchown(a,b,c) (errno = ENOSYS, -1) |
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54 | # define fchmod(a,b) (errno = ENOSYS, -1) |
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55 | # define symlink(a,b) (errno = ENOSYS, -1) |
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56 | # define readlink(a,b,c) (errno = ENOSYS, -1) |
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57 | # define mknod(a,b,c) (errno = ENOSYS, -1) |
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58 | # define truncate(a,b) (errno = ENOSYS, -1) |
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59 | # define ftruncate(fd,o) chsize ((fd), (o)) |
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60 | # define fsync(fd) _commit (fd) |
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61 | # define opendir(fd) (errno = ENOSYS, 0) |
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62 | # define readdir(fd) (errno = ENOSYS, -1) |
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63 | # define closedir(fd) (errno = ENOSYS, -1) |
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64 | # define mkdir(a,b) mkdir (a) |
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65 | |
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66 | #else |
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67 | |
29 | # include <sys/uio.h> |
68 | # include <sys/time.h> |
30 | # elif __hpux |
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31 | # include <sys/socket.h> |
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32 | # elif __solaris /* not yet */ |
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33 | # include <sys/sendfile.h> |
69 | # include <sys/select.h> |
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70 | # include <unistd.h> |
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71 | # include <utime.h> |
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72 | # include <signal.h> |
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73 | # define EIO_STRUCT_DIRENT struct dirent |
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74 | |
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75 | #endif |
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76 | |
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77 | /* perl stupidly overrides readdir and maybe others */ |
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78 | /* with thread-unsafe versions, imagine that :( */ |
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79 | #undef readdir |
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80 | #undef opendir |
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81 | #undef closedir |
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82 | |
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83 | #define EIO_STRUCT_STAT Stat_t |
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84 | |
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85 | /* use NV for 32 bit perls as it allows larger offsets */ |
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86 | #if IVSIZE >= 8 |
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87 | # define VAL64 IV |
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88 | # define SvVAL64 SvIV |
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89 | # define newSVval64 newSViv |
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90 | #else |
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91 | # define VAL64 NV |
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92 | # define SvVAL64 SvNV |
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93 | # define newSVval64 newSVnv |
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94 | #endif |
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95 | |
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96 | /*****************************************************************************/ |
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97 | |
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98 | #if __GNUC__ >= 3 |
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99 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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100 | #else |
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101 | # define expect(expr,value) (expr) |
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102 | #endif |
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103 | |
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104 | #define expect_false(expr) expect ((expr) != 0, 0) |
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105 | #define expect_true(expr) expect ((expr) != 0, 1) |
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106 | |
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107 | /*****************************************************************************/ |
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108 | |
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109 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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110 | typedef int aio_rfd; /* read file desriptor */ |
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111 | typedef int aio_wfd; /* write file descriptor */ |
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112 | |
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113 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash; |
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114 | |
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115 | #define EIO_REQ_MEMBERS \ |
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116 | SV *callback; \ |
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117 | SV *sv1, *sv2; \ |
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118 | STRLEN stroffset; \ |
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119 | SV *self; |
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120 | |
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121 | #define EIO_NO_WRAPPERS 1 |
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122 | |
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123 | #include "libeio/eio.h" |
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124 | |
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125 | #ifndef POSIX_FADV_NORMAL |
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126 | # define POSIX_FADV_NORMAL 0 |
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127 | # define NO_FADVISE 1 |
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128 | #endif |
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129 | #ifndef POSIX_FADV_SEQUENTIAL |
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130 | # define POSIX_FADV_SEQUENTIAL 0 |
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131 | #endif |
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132 | #ifndef POSIX_FADV_RANDOM |
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133 | # define POSIX_FADV_RANDOM 0 |
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134 | #endif |
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135 | #ifndef POSIX_FADV_NOREUSE |
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136 | # define POSIX_FADV_NOREUSE 0 |
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137 | #endif |
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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 | #ifndef POSIX_FADV_DONTNEED |
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142 | # define POSIX_FADV_DONTNEED 0 |
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143 | #endif |
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144 | |
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145 | #ifndef ST_NODEV |
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146 | # define ST_NODEV 0 |
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147 | #endif |
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148 | #ifndef ST_NOEXEC |
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149 | # define ST_NOEXEC 0 |
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150 | #endif |
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151 | #ifndef ST_SYNCHRONOUS |
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152 | # define ST_SYNCHRONOUS 0 |
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153 | #endif |
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154 | #ifndef ST_MANDLOCK |
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155 | # define ST_MANDLOCK 0 |
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156 | #endif |
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157 | #ifndef ST_WRITE |
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158 | # define ST_WRITE 0 |
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159 | #endif |
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160 | #ifndef ST_APPEND |
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161 | # define ST_APPEND 0 |
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162 | #endif |
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163 | #ifndef ST_IMMUTABLE |
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164 | # define ST_IMMUTABLE 0 |
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165 | #endif |
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166 | #ifndef ST_NOATIME |
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167 | # define ST_NOATIME 0 |
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168 | #endif |
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169 | #ifndef ST_NODIRATIME |
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170 | # define ST_NODIRATIME 0 |
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171 | #endif |
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172 | #ifndef ST_RELATIME |
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173 | # define ST_RELATIME 0 |
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174 | #endif |
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175 | |
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176 | #ifndef MCL_CURRENT |
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177 | # define MCL_CURRENT 0 |
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178 | #endif |
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179 | #ifndef MCL_FUTURE |
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180 | # define MCL_FUTURE 0 |
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181 | #endif |
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182 | |
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183 | #ifndef MAP_ANONYMOUS |
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184 | # ifdef MAP_ANON |
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185 | # define MAP_ANONYMOUS MAP_ANON |
34 | # else |
186 | # else |
35 | # error sendfile support requested but not available |
187 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
36 | # endif |
188 | # endif |
37 | #endif |
189 | #endif |
38 | |
190 | #ifndef MAP_HUGETLB |
39 | /* used for struct dirent, AIX doesn't provide it */ |
191 | # define MAP_HUGETLB 0 |
40 | #ifndef NAME_MAX |
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41 | # define NAME_MAX 4096 |
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42 | #endif |
192 | #endif |
43 | |
193 | #ifndef MAP_LOCKED |
44 | #if __ia64 |
194 | # define MAP_LOCKED 0 |
45 | # define STACKSIZE 65536 |
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46 | #else |
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47 | # define STACKSIZE 8192 |
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48 | #endif |
195 | #endif |
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196 | #ifndef MAP_NORESERVE |
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197 | # define MAP_NORESERVE 0 |
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198 | #endif |
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199 | #ifndef MAP_POPULATE |
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200 | # define MAP_POPULATE 0 |
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201 | #endif |
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202 | #ifndef MAP_NONBLOCK |
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203 | # define MAP_NONBLOCK 0 |
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204 | #endif |
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205 | |
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206 | #ifndef PAGESIZE |
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207 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
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208 | #endif |
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209 | |
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210 | static int req_invoke (eio_req *req); |
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211 | #define EIO_FINISH(req) req_invoke (req) |
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212 | static void req_destroy (eio_req *grp); |
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213 | #define EIO_DESTROY(req) req_destroy (req) |
49 | |
214 | |
50 | enum { |
215 | enum { |
51 | REQ_QUIT, |
216 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
52 | REQ_OPEN, REQ_CLOSE, |
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53 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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54 | REQ_SENDFILE, |
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55 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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56 | REQ_FSYNC, REQ_FDATASYNC, |
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57 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
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58 | REQ_READDIR, |
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59 | REQ_LINK, REQ_SYMLINK, |
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60 | REQ_SLEEP, |
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61 | REQ_GROUP, |
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62 | }; |
217 | }; |
63 | |
218 | |
64 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
219 | #include "libeio/eio.c" |
65 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
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66 | |
220 | |
67 | typedef struct aio_cb |
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68 | { |
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69 | struct aio_cb *grp, *grp_prev, *grp_next; |
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70 | |
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71 | struct aio_cb *volatile next; |
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72 | |
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73 | SV *self; /* the perl counterpart of this request, if any */ |
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74 | |
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75 | SV *data, *callback; |
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76 | SV *fh, *fh2; |
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77 | void *dataptr, *data2ptr; |
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78 | Stat_t *statdata; |
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79 | off_t offset; |
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80 | size_t length; |
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81 | ssize_t result; |
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82 | |
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83 | int type; |
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84 | int fd, fd2; |
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85 | int errorno; |
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86 | STRLEN dataoffset; |
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87 | mode_t mode; /* open */ |
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88 | unsigned char cancelled; |
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89 | } aio_cb; |
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90 | |
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91 | typedef aio_cb *aio_req; |
221 | typedef eio_req *aio_req; |
92 | typedef aio_cb *aio_req_ornot; |
222 | typedef eio_req *aio_req_ornot; |
93 | |
223 | |
94 | static int started, wanted; |
224 | static SV *on_next_submit; |
95 | static volatile int nreqs; |
225 | static int next_pri = EIO_PRI_DEFAULT; |
96 | static int max_outstanding = 1<<30; |
226 | static int max_outstanding; |
97 | static int respipe [2]; |
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98 | |
227 | |
99 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
228 | static s_epipe respipe; |
100 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
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101 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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102 | |
229 | |
103 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
230 | static void req_destroy (aio_req req); |
104 | static volatile aio_req ress, rese; /* queue start, queue end */ |
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105 | |
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106 | static void req_free (aio_req req); |
231 | static void req_cancel (aio_req req); |
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232 | |
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233 | static void want_poll (void) |
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234 | { |
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235 | /* write a dummy byte to the pipe so fh becomes ready */ |
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236 | s_epipe_signal (&respipe); |
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237 | } |
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238 | |
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239 | static void done_poll (void) |
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240 | { |
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241 | /* read any signals sent by the worker threads */ |
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242 | s_epipe_drain (&respipe); |
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243 | } |
107 | |
244 | |
108 | /* must be called at most once */ |
245 | /* must be called at most once */ |
109 | static SV *req_sv (aio_req req, const char *klass) |
246 | static SV *req_sv (aio_req req, HV *stash) |
110 | { |
247 | { |
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248 | if (!req->self) |
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249 | { |
111 | req->self = (SV *)newHV (); |
250 | req->self = (SV *)newHV (); |
112 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
251 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
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252 | } |
113 | |
253 | |
114 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
254 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
115 | } |
255 | } |
116 | |
256 | |
117 | static aio_req SvAIO_REQ (SV *sv) |
257 | static aio_req SvAIO_REQ (SV *sv) |
118 | { |
258 | { |
119 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
259 | MAGIC *mg; |
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260 | |
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261 | if (!SvROK (sv) |
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262 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
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263 | && SvSTASH (SvRV (sv)) != aio_req_stash |
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264 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
120 | croak ("object of class " AIO_REQ_KLASS " expected"); |
265 | croak ("object of class IO::AIO::REQ expected"); |
121 | |
266 | |
122 | MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
267 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
123 | |
268 | |
124 | return mg ? (aio_req)mg->mg_ptr : 0; |
269 | return mg ? (aio_req)mg->mg_ptr : 0; |
125 | } |
270 | } |
126 | |
271 | |
127 | static void poll_wait () |
272 | static void aio_grp_feed (aio_req grp) |
128 | { |
273 | { |
129 | if (nreqs && !ress) |
274 | if (grp->sv2 && SvOK (grp->sv2)) |
130 | { |
275 | { |
131 | fd_set rfd; |
276 | dSP; |
132 | FD_ZERO(&rfd); |
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133 | FD_SET(respipe [0], &rfd); |
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134 | |
277 | |
135 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
278 | ENTER; |
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279 | SAVETMPS; |
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280 | PUSHMARK (SP); |
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281 | XPUSHs (req_sv (grp, aio_grp_stash)); |
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282 | PUTBACK; |
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283 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
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284 | SPAGAIN; |
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285 | FREETMPS; |
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286 | LEAVE; |
136 | } |
287 | } |
137 | } |
288 | } |
138 | |
289 | |
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290 | static void req_submit (eio_req *req) |
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291 | { |
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292 | eio_submit (req); |
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293 | |
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294 | if (expect_false (on_next_submit)) |
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295 | { |
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296 | dSP; |
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297 | SV *cb = sv_2mortal (on_next_submit); |
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298 | |
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299 | on_next_submit = 0; |
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300 | |
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301 | PUSHMARK (SP); |
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302 | PUTBACK; |
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303 | call_sv (cb, G_DISCARD | G_EVAL); |
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304 | } |
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305 | } |
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306 | |
139 | static void req_invoke (aio_req req) |
307 | static int req_invoke (eio_req *req) |
140 | { |
308 | { |
141 | dSP; |
309 | dSP; |
142 | int errorno = errno; |
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143 | |
310 | |
144 | if (req->cancelled || !SvOK (req->callback)) |
311 | if (req->flags & FLAG_SV2_RO_OFF) |
145 | return; |
312 | SvREADONLY_off (req->sv2); |
146 | |
313 | |
147 | errno = req->errorno; |
314 | if (!EIO_CANCELLED (req) && req->callback) |
148 | |
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149 | ENTER; |
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150 | PUSHMARK (SP); |
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151 | |
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152 | switch (req->type) |
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153 | { |
315 | { |
154 | case REQ_READDIR: |
316 | static SV *sv_result_cache; /* caches the result integer SV */ |
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317 | SV *sv_result; |
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318 | |
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319 | ENTER; |
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320 | SAVETMPS; |
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321 | PUSHMARK (SP); |
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322 | EXTEND (SP, 1); |
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323 | |
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324 | /* do not recreate the result IV from scratch each time */ |
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325 | if (expect_true (sv_result_cache)) |
155 | { |
326 | { |
156 | SV *rv = &PL_sv_undef; |
327 | sv_result = sv_result_cache; sv_result_cache = 0; |
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328 | SvIV_set (sv_result, req->result); |
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329 | } |
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330 | else |
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331 | { |
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332 | sv_result = newSViv (req->result); |
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333 | SvREADONLY_on (sv_result); |
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334 | } |
157 | |
335 | |
158 | if (req->result >= 0) |
336 | switch (req->type) |
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337 | { |
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338 | case EIO_READDIR: |
159 | { |
339 | { |
160 | char *buf = req->data2ptr; |
340 | SV *rv = &PL_sv_undef; |
161 | AV *av = newAV (); |
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162 | |
341 | |
163 | while (req->result) |
342 | if (req->result >= 0) |
164 | { |
343 | { |
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344 | int i; |
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345 | char *names = (char *)req->ptr2; |
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346 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
165 | SV *sv = newSVpv (buf, 0); |
347 | AV *av = newAV (); |
166 | |
348 | |
167 | av_push (av, sv); |
349 | av_extend (av, req->result - 1); |
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350 | |
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351 | for (i = 0; i < req->result; ++i) |
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352 | { |
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353 | if (req->int1 & EIO_READDIR_DENTS) |
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354 | { |
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355 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
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356 | |
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357 | if (req->int1 & EIO_READDIR_CUSTOM2) |
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358 | { |
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359 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
360 | AV *avent = newAV (); |
|
|
361 | |
|
|
362 | av_extend (avent, 2); |
|
|
363 | |
|
|
364 | if (!sv_type [ent->type]) |
|
|
365 | { |
|
|
366 | sv_type [ent->type] = newSViv (ent->type); |
|
|
367 | SvREADONLY_on (sv_type [ent->type]); |
|
|
368 | } |
|
|
369 | |
|
|
370 | av_store (avent, 0, namesv); |
|
|
371 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
372 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
373 | |
|
|
374 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
375 | } |
|
|
376 | else |
|
|
377 | av_store (av, i, namesv); |
|
|
378 | |
|
|
379 | ++ent; |
|
|
380 | } |
|
|
381 | else |
|
|
382 | { |
|
|
383 | SV *name = newSVpv (names, 0); |
|
|
384 | av_store (av, i, name); |
168 | buf += SvCUR (sv) + 1; |
385 | names += SvCUR (name) + 1; |
169 | req->result--; |
386 | } |
|
|
387 | } |
|
|
388 | |
|
|
389 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
170 | } |
390 | } |
171 | |
391 | |
172 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
392 | PUSHs (rv); |
|
|
393 | |
|
|
394 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
395 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
173 | } |
396 | } |
|
|
397 | break; |
174 | |
398 | |
|
|
399 | case EIO_OPEN: |
|
|
400 | { |
|
|
401 | /* convert fd to fh */ |
|
|
402 | SV *fh = &PL_sv_undef; |
|
|
403 | |
|
|
404 | if (req->result >= 0) |
|
|
405 | { |
|
|
406 | GV *gv = (GV *)sv_newmortal (); |
|
|
407 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
|
|
408 | char sym [64]; |
|
|
409 | int symlen; |
|
|
410 | |
|
|
411 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
|
|
412 | gv_init (gv, aio_stash, sym, symlen, 0); |
|
|
413 | |
|
|
414 | symlen = snprintf ( |
|
|
415 | sym, |
|
|
416 | sizeof (sym), |
|
|
417 | "%s&=%d", |
|
|
418 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
419 | (int)req->result |
|
|
420 | ); |
|
|
421 | |
|
|
422 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
423 | fh = (SV *)gv; |
|
|
424 | } |
|
|
425 | |
|
|
426 | PUSHs (fh); |
|
|
427 | } |
|
|
428 | break; |
|
|
429 | |
|
|
430 | case EIO_STATVFS: |
|
|
431 | case EIO_FSTATVFS: |
|
|
432 | { |
|
|
433 | SV *rv = &PL_sv_undef; |
|
|
434 | |
|
|
435 | if (req->result >= 0) |
|
|
436 | { |
|
|
437 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
438 | HV *hv = newHV (); |
|
|
439 | |
|
|
440 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
|
|
441 | |
|
|
442 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
|
|
443 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
444 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
445 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
446 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
447 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
448 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
449 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
450 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
|
|
451 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
452 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
453 | } |
|
|
454 | |
175 | XPUSHs (rv); |
455 | PUSHs (rv); |
|
|
456 | } |
|
|
457 | |
|
|
458 | break; |
|
|
459 | |
|
|
460 | case EIO_GROUP: |
|
|
461 | req->int1 = 2; /* mark group as finished */ |
|
|
462 | |
|
|
463 | if (req->sv1) |
|
|
464 | { |
|
|
465 | int i; |
|
|
466 | AV *av = (AV *)req->sv1; |
|
|
467 | |
|
|
468 | EXTEND (SP, AvFILL (av) + 1); |
|
|
469 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
470 | PUSHs (*av_fetch (av, i, 0)); |
|
|
471 | } |
|
|
472 | break; |
|
|
473 | |
|
|
474 | case EIO_NOP: |
|
|
475 | case EIO_BUSY: |
|
|
476 | break; |
|
|
477 | |
|
|
478 | case EIO_READLINK: |
|
|
479 | if (req->result > 0) |
|
|
480 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
481 | break; |
|
|
482 | |
|
|
483 | case EIO_STAT: |
|
|
484 | case EIO_LSTAT: |
|
|
485 | case EIO_FSTAT: |
|
|
486 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
487 | PL_laststatval = req->result; |
|
|
488 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
489 | PUSHs (sv_result); |
|
|
490 | break; |
|
|
491 | |
|
|
492 | case EIO_READ: |
|
|
493 | { |
|
|
494 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
495 | *SvEND (req->sv2) = 0; |
|
|
496 | SvPOK_only (req->sv2); |
|
|
497 | SvSETMAGIC (req->sv2); |
|
|
498 | PUSHs (sv_result); |
|
|
499 | } |
|
|
500 | break; |
|
|
501 | |
|
|
502 | case EIO_DUP2: |
|
|
503 | if (req->result > 0) |
|
|
504 | SvIV_set (sv_result, 0); |
|
|
505 | /* FALLTHROUGH */ |
|
|
506 | |
|
|
507 | default: |
|
|
508 | PUSHs (sv_result); |
|
|
509 | break; |
176 | } |
510 | } |
177 | break; |
|
|
178 | |
511 | |
179 | case REQ_OPEN: |
512 | errno = req->errorno; |
180 | { |
|
|
181 | /* convert fd to fh */ |
|
|
182 | SV *fh; |
|
|
183 | |
513 | |
184 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
185 | PUTBACK; |
514 | PUTBACK; |
186 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
515 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
187 | SPAGAIN; |
516 | SPAGAIN; |
188 | |
517 | |
189 | fh = SvREFCNT_inc (POPs); |
518 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
519 | SvREFCNT_dec (sv_result); |
|
|
520 | else |
|
|
521 | sv_result_cache = sv_result; |
190 | |
522 | |
191 | PUSHMARK (SP); |
523 | FREETMPS; |
192 | XPUSHs (sv_2mortal (fh)); |
524 | LEAVE; |
193 | } |
|
|
194 | break; |
|
|
195 | |
525 | |
196 | case REQ_SLEEP: |
526 | PUTBACK; |
197 | case REQ_GROUP: |
|
|
198 | break; |
|
|
199 | |
|
|
200 | default: |
|
|
201 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
202 | break; |
|
|
203 | } |
527 | } |
204 | |
528 | |
205 | |
529 | return !!SvTRUE (ERRSV); |
206 | PUTBACK; |
|
|
207 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
208 | SPAGAIN; |
|
|
209 | |
|
|
210 | if (SvTRUE (ERRSV)) |
|
|
211 | { |
|
|
212 | req_free (req); |
|
|
213 | croak (0); |
|
|
214 | } |
|
|
215 | |
|
|
216 | LEAVE; |
|
|
217 | |
|
|
218 | errno = errorno; |
|
|
219 | } |
530 | } |
220 | |
531 | |
221 | static void req_free (aio_req req) |
532 | static void req_destroy (aio_req req) |
222 | { |
533 | { |
223 | if (req->grp) |
|
|
224 | { |
|
|
225 | aio_req grp = req->grp; |
|
|
226 | |
|
|
227 | /* unlink request */ |
|
|
228 | req->grp_next->grp_prev = req->grp_prev; |
|
|
229 | req->grp_prev->grp_next = req->grp_next; |
|
|
230 | |
|
|
231 | if (grp->grp_next == grp && grp->fd) |
|
|
232 | { |
|
|
233 | req_invoke (grp); |
|
|
234 | req_free (grp); |
|
|
235 | } |
|
|
236 | } |
|
|
237 | |
|
|
238 | if (req->self) |
534 | if (req->self) |
239 | { |
535 | { |
240 | sv_unmagic (req->self, PERL_MAGIC_ext); |
536 | sv_unmagic (req->self, PERL_MAGIC_ext); |
241 | SvREFCNT_dec (req->self); |
537 | SvREFCNT_dec (req->self); |
242 | } |
538 | } |
243 | |
539 | |
244 | if (req->data) |
|
|
245 | SvREFCNT_dec (req->data); |
|
|
246 | |
|
|
247 | if (req->fh) |
|
|
248 | SvREFCNT_dec (req->fh); |
540 | SvREFCNT_dec (req->sv1); |
249 | |
|
|
250 | if (req->fh2) |
|
|
251 | SvREFCNT_dec (req->fh2); |
541 | SvREFCNT_dec (req->sv2); |
252 | |
|
|
253 | if (req->statdata) |
|
|
254 | Safefree (req->statdata); |
|
|
255 | |
|
|
256 | if (req->callback) |
|
|
257 | SvREFCNT_dec (req->callback); |
542 | SvREFCNT_dec (req->callback); |
258 | |
|
|
259 | if (req->type == REQ_READDIR && req->result >= 0) |
|
|
260 | free (req->data2ptr); |
|
|
261 | |
543 | |
262 | Safefree (req); |
544 | Safefree (req); |
263 | } |
545 | } |
264 | |
546 | |
265 | static void req_cancel (aio_req req) |
547 | static void req_cancel_subs (aio_req grp) |
266 | { |
548 | { |
267 | req->cancelled = 1; |
549 | aio_req sub; |
268 | |
550 | |
269 | if (req->type == REQ_GROUP) |
551 | if (grp->type != EIO_GROUP) |
|
|
552 | return; |
|
|
553 | |
|
|
554 | SvREFCNT_dec (grp->sv2); |
|
|
555 | grp->sv2 = 0; |
|
|
556 | |
|
|
557 | eio_grp_cancel (grp); |
|
|
558 | } |
|
|
559 | |
|
|
560 | static void |
|
|
561 | create_respipe (void) |
|
|
562 | { |
|
|
563 | if (s_epipe_renew (&respipe)) |
|
|
564 | croak ("IO::AIO: unable to initialize result pipe"); |
|
|
565 | } |
|
|
566 | |
|
|
567 | static void poll_wait (void) |
|
|
568 | { |
|
|
569 | while (eio_nreqs ()) |
270 | { |
570 | { |
271 | aio_req sub; |
571 | int size; |
272 | |
572 | |
273 | for (sub = req->grp_next; sub != req; sub = sub->grp_next) |
573 | X_LOCK (reslock); |
274 | req_cancel (sub); |
574 | size = res_queue.size; |
|
|
575 | X_UNLOCK (reslock); |
|
|
576 | |
|
|
577 | if (size) |
|
|
578 | return; |
|
|
579 | |
|
|
580 | etp_maybe_start_thread (); |
|
|
581 | |
|
|
582 | s_epipe_wait (&respipe); |
275 | } |
583 | } |
276 | } |
584 | } |
277 | |
585 | |
278 | static int poll_cb () |
586 | static int poll_cb (void) |
279 | { |
587 | { |
280 | dSP; |
|
|
281 | int count = 0; |
|
|
282 | int do_croak = 0; |
|
|
283 | aio_req req; |
|
|
284 | |
|
|
285 | for (;;) |
588 | for (;;) |
286 | { |
589 | { |
287 | pthread_mutex_lock (&reslock); |
590 | int res = eio_poll (); |
288 | req = ress; |
|
|
289 | |
591 | |
290 | if (req) |
592 | if (res > 0) |
291 | { |
|
|
292 | ress = req->next; |
|
|
293 | |
|
|
294 | if (!ress) |
|
|
295 | { |
|
|
296 | /* read any signals sent by the worker threads */ |
|
|
297 | char buf [32]; |
|
|
298 | while (read (respipe [0], buf, 32) == 32) |
|
|
299 | ; |
|
|
300 | |
|
|
301 | rese = 0; |
|
|
302 | } |
|
|
303 | } |
|
|
304 | |
|
|
305 | pthread_mutex_unlock (&reslock); |
|
|
306 | |
|
|
307 | if (!req) |
|
|
308 | break; |
593 | croak (0); |
309 | |
594 | |
310 | nreqs--; |
595 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
596 | return res; |
311 | |
597 | |
312 | if (req->type == REQ_QUIT) |
598 | poll_wait (); |
313 | started--; |
|
|
314 | else if (req->type == REQ_GROUP && req->grp_next != req) |
|
|
315 | { |
|
|
316 | req->fd = 1; /* mark request as delayed */ |
|
|
317 | continue; |
|
|
318 | } |
|
|
319 | else |
|
|
320 | { |
|
|
321 | if (req->type == REQ_READ) |
|
|
322 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
323 | |
|
|
324 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
325 | SvREADONLY_off (req->data); |
|
|
326 | |
|
|
327 | if (req->statdata) |
|
|
328 | { |
|
|
329 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
330 | PL_laststatval = req->result; |
|
|
331 | PL_statcache = *(req->statdata); |
|
|
332 | } |
|
|
333 | |
|
|
334 | req_invoke (req); |
|
|
335 | |
|
|
336 | count++; |
|
|
337 | } |
|
|
338 | |
|
|
339 | req_free (req); |
|
|
340 | } |
599 | } |
341 | |
|
|
342 | return count; |
|
|
343 | } |
600 | } |
344 | |
601 | |
345 | static void *aio_proc(void *arg); |
|
|
346 | |
|
|
347 | static void start_thread (void) |
602 | static void atfork_child (void) |
348 | { |
603 | { |
349 | sigset_t fullsigset, oldsigset; |
604 | create_respipe (); |
350 | pthread_t tid; |
|
|
351 | pthread_attr_t attr; |
|
|
352 | |
|
|
353 | pthread_attr_init (&attr); |
|
|
354 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
355 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
356 | |
|
|
357 | sigfillset (&fullsigset); |
|
|
358 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
359 | |
|
|
360 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
|
|
361 | started++; |
|
|
362 | |
|
|
363 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
364 | } |
|
|
365 | |
|
|
366 | static void req_send (aio_req req) |
|
|
367 | { |
|
|
368 | while (started < wanted && nreqs >= started) |
|
|
369 | start_thread (); |
|
|
370 | |
|
|
371 | nreqs++; |
|
|
372 | |
|
|
373 | pthread_mutex_lock (&reqlock); |
|
|
374 | |
|
|
375 | req->next = 0; |
|
|
376 | |
|
|
377 | if (reqe) |
|
|
378 | { |
|
|
379 | reqe->next = req; |
|
|
380 | reqe = req; |
|
|
381 | } |
|
|
382 | else |
|
|
383 | reqe = reqs = req; |
|
|
384 | |
|
|
385 | pthread_cond_signal (&reqwait); |
|
|
386 | pthread_mutex_unlock (&reqlock); |
|
|
387 | |
|
|
388 | if (nreqs > max_outstanding) |
|
|
389 | for (;;) |
|
|
390 | { |
|
|
391 | poll_cb (); |
|
|
392 | |
|
|
393 | if (nreqs <= max_outstanding) |
|
|
394 | break; |
|
|
395 | |
|
|
396 | poll_wait (); |
|
|
397 | } |
|
|
398 | } |
|
|
399 | |
|
|
400 | static void end_thread (void) |
|
|
401 | { |
|
|
402 | aio_req req; |
|
|
403 | Newz (0, req, 1, aio_cb); |
|
|
404 | req->type = REQ_QUIT; |
|
|
405 | |
|
|
406 | req_send (req); |
|
|
407 | } |
|
|
408 | |
|
|
409 | static void min_parallel (int nthreads) |
|
|
410 | { |
|
|
411 | if (wanted < nthreads) |
|
|
412 | wanted = nthreads; |
|
|
413 | } |
|
|
414 | |
|
|
415 | static void max_parallel (int nthreads) |
|
|
416 | { |
|
|
417 | int cur = started; |
|
|
418 | |
|
|
419 | if (wanted > nthreads) |
|
|
420 | wanted = nthreads; |
|
|
421 | |
|
|
422 | while (cur > wanted) |
|
|
423 | { |
|
|
424 | end_thread (); |
|
|
425 | cur--; |
|
|
426 | } |
|
|
427 | |
|
|
428 | while (started > wanted) |
|
|
429 | { |
|
|
430 | poll_wait (); |
|
|
431 | poll_cb (); |
|
|
432 | } |
|
|
433 | } |
|
|
434 | |
|
|
435 | static void create_pipe () |
|
|
436 | { |
|
|
437 | if (pipe (respipe)) |
|
|
438 | croak ("unable to initialize result pipe"); |
|
|
439 | |
|
|
440 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
441 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
442 | |
|
|
443 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
444 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
445 | } |
605 | } |
446 | |
606 | |
447 | /*****************************************************************************/ |
607 | /*****************************************************************************/ |
448 | /* work around various missing functions */ |
|
|
449 | |
608 | |
450 | #if !HAVE_PREADWRITE |
609 | #if !_POSIX_MAPPED_FILES |
451 | # define pread aio_pread |
610 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
452 | # define pwrite aio_pwrite |
611 | # define munmap(addr,length) (errno = ENOSYS, -1) |
453 | |
|
|
454 | /* |
|
|
455 | * make our pread/pwrite safe against themselves, but not against |
|
|
456 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
457 | * but that's your problem, not mine. |
|
|
458 | */ |
|
|
459 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
|
|
460 | |
|
|
461 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
462 | { |
|
|
463 | ssize_t res; |
|
|
464 | off_t ooffset; |
|
|
465 | |
|
|
466 | pthread_mutex_lock (&preadwritelock); |
|
|
467 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
468 | lseek (fd, offset, SEEK_SET); |
|
|
469 | res = read (fd, buf, count); |
|
|
470 | lseek (fd, ooffset, SEEK_SET); |
|
|
471 | pthread_mutex_unlock (&preadwritelock); |
|
|
472 | |
|
|
473 | return res; |
|
|
474 | } |
|
|
475 | |
|
|
476 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
477 | { |
|
|
478 | ssize_t res; |
|
|
479 | off_t ooffset; |
|
|
480 | |
|
|
481 | pthread_mutex_lock (&preadwritelock); |
|
|
482 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
483 | lseek (fd, offset, SEEK_SET); |
|
|
484 | res = write (fd, buf, count); |
|
|
485 | lseek (fd, offset, SEEK_SET); |
|
|
486 | pthread_mutex_unlock (&preadwritelock); |
|
|
487 | |
|
|
488 | return res; |
|
|
489 | } |
|
|
490 | #endif |
|
|
491 | |
|
|
492 | #if !HAVE_FDATASYNC |
|
|
493 | # define fdatasync fsync |
|
|
494 | #endif |
|
|
495 | |
|
|
496 | #if !HAVE_READAHEAD |
|
|
497 | # define readahead aio_readahead |
|
|
498 | |
|
|
499 | static ssize_t readahead (int fd, off_t offset, size_t count) |
|
|
500 | { |
|
|
501 | char readahead_buf[4096]; |
|
|
502 | |
|
|
503 | while (count > 0) |
|
|
504 | { |
|
|
505 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
|
|
506 | |
|
|
507 | pread (fd, readahead_buf, len, offset); |
|
|
508 | offset += len; |
|
|
509 | count -= len; |
|
|
510 | } |
|
|
511 | |
|
|
512 | errno = 0; |
|
|
513 | } |
|
|
514 | #endif |
|
|
515 | |
|
|
516 | #if !HAVE_READDIR_R |
|
|
517 | # define readdir_r aio_readdir_r |
|
|
518 | |
|
|
519 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
520 | |
|
|
521 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
522 | { |
|
|
523 | struct dirent *e; |
|
|
524 | int errorno; |
|
|
525 | |
|
|
526 | pthread_mutex_lock (&readdirlock); |
|
|
527 | |
|
|
528 | e = readdir (dirp); |
|
|
529 | errorno = errno; |
|
|
530 | |
|
|
531 | if (e) |
|
|
532 | { |
|
|
533 | *res = ent; |
|
|
534 | strcpy (ent->d_name, e->d_name); |
|
|
535 | } |
|
|
536 | else |
|
|
537 | *res = 0; |
|
|
538 | |
|
|
539 | pthread_mutex_unlock (&readdirlock); |
|
|
540 | |
|
|
541 | errno = errorno; |
|
|
542 | return e ? 0 : -1; |
|
|
543 | } |
|
|
544 | #endif |
|
|
545 | |
|
|
546 | /* sendfile always needs emulation */ |
|
|
547 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
|
|
548 | { |
|
|
549 | ssize_t res; |
|
|
550 | |
|
|
551 | if (!count) |
|
|
552 | return 0; |
|
|
553 | |
|
|
554 | #if HAVE_SENDFILE |
|
|
555 | # if __linux |
|
|
556 | res = sendfile (ofd, ifd, &offset, count); |
|
|
557 | |
|
|
558 | # elif __freebsd |
|
|
559 | /* |
|
|
560 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
561 | * wasted on making it similar to other I/O functions. |
|
|
562 | */ |
|
|
563 | { |
|
|
564 | off_t sbytes; |
|
|
565 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
566 | |
|
|
567 | if (res < 0 && sbytes) |
|
|
568 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
|
|
569 | res = sbytes; |
|
|
570 | } |
|
|
571 | |
|
|
572 | # elif __hpux |
|
|
573 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
574 | |
|
|
575 | # elif __solaris |
|
|
576 | { |
|
|
577 | struct sendfilevec vec; |
|
|
578 | size_t sbytes; |
|
|
579 | |
|
|
580 | vec.sfv_fd = ifd; |
|
|
581 | vec.sfv_flag = 0; |
|
|
582 | vec.sfv_off = offset; |
|
|
583 | vec.sfv_len = count; |
|
|
584 | |
|
|
585 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
586 | |
|
|
587 | if (res < 0 && sbytes) |
|
|
588 | res = sbytes; |
|
|
589 | } |
|
|
590 | |
|
|
591 | # endif |
612 | #endif |
592 | #else |
|
|
593 | res = -1; |
|
|
594 | errno = ENOSYS; |
|
|
595 | #endif |
|
|
596 | |
613 | |
597 | if (res < 0 |
614 | #define MMAP_MAGIC PERL_MAGIC_ext |
598 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
599 | #if __solaris |
|
|
600 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
601 | #endif |
|
|
602 | ) |
|
|
603 | ) |
|
|
604 | { |
|
|
605 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
606 | char buf[4096]; |
|
|
607 | res = 0; |
|
|
608 | |
615 | |
609 | while (count) |
616 | static int |
610 | { |
617 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
611 | ssize_t cnt; |
|
|
612 | |
|
|
613 | cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset); |
|
|
614 | |
|
|
615 | if (cnt <= 0) |
|
|
616 | { |
|
|
617 | if (cnt && !res) res = -1; |
|
|
618 | break; |
|
|
619 | } |
|
|
620 | |
|
|
621 | cnt = write (ofd, buf, cnt); |
|
|
622 | |
|
|
623 | if (cnt <= 0) |
|
|
624 | { |
|
|
625 | if (cnt && !res) res = -1; |
|
|
626 | break; |
|
|
627 | } |
|
|
628 | |
|
|
629 | offset += cnt; |
|
|
630 | res += cnt; |
|
|
631 | count -= cnt; |
|
|
632 | } |
|
|
633 | } |
|
|
634 | |
|
|
635 | return res; |
|
|
636 | } |
|
|
637 | |
|
|
638 | /* read a full directory */ |
|
|
639 | static int scandir_ (const char *path, void **namesp) |
|
|
640 | { |
618 | { |
641 | DIR *dirp = opendir (path); |
619 | int old_errno = errno; |
642 | union |
620 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
643 | { |
|
|
644 | struct dirent d; |
|
|
645 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
646 | } u; |
|
|
647 | struct dirent *entp; |
|
|
648 | char *name, *names; |
|
|
649 | int memlen = 4096; |
|
|
650 | int memofs = 0; |
|
|
651 | int res = 0; |
|
|
652 | int errorno; |
|
|
653 | |
|
|
654 | if (!dirp) |
|
|
655 | return -1; |
|
|
656 | |
|
|
657 | names = malloc (memlen); |
|
|
658 | |
|
|
659 | for (;;) |
|
|
660 | { |
|
|
661 | errno = 0, readdir_r (dirp, &u.d, &entp); |
|
|
662 | |
|
|
663 | if (!entp) |
|
|
664 | break; |
|
|
665 | |
|
|
666 | name = entp->d_name; |
|
|
667 | |
|
|
668 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
669 | { |
|
|
670 | int len = strlen (name) + 1; |
|
|
671 | |
|
|
672 | res++; |
|
|
673 | |
|
|
674 | while (memofs + len > memlen) |
|
|
675 | { |
|
|
676 | memlen *= 2; |
|
|
677 | names = realloc (names, memlen); |
|
|
678 | if (!names) |
|
|
679 | break; |
|
|
680 | } |
|
|
681 | |
|
|
682 | memcpy (names + memofs, name, len); |
|
|
683 | memofs += len; |
|
|
684 | } |
|
|
685 | } |
|
|
686 | |
|
|
687 | errorno = errno; |
621 | errno = old_errno; |
688 | closedir (dirp); |
|
|
689 | |
622 | |
690 | if (errorno) |
623 | mg->mg_obj = 0; /* just in case */ |
691 | { |
|
|
692 | free (names); |
|
|
693 | errno = errorno; |
|
|
694 | res = -1; |
|
|
695 | } |
|
|
696 | |
624 | |
697 | *namesp = (void *)names; |
625 | SvREADONLY_off (sv); |
|
|
626 | SvCUR_set (sv, 0); |
|
|
627 | SvLEN_set (sv, 0); |
|
|
628 | SvPVX (sv) = 0; |
|
|
629 | SvOK_off (sv); |
|
|
630 | |
698 | return res; |
631 | return 0; |
699 | } |
632 | } |
|
|
633 | |
|
|
634 | static MGVTBL mmap_vtbl = { |
|
|
635 | 0, 0, 0, 0, mmap_free |
|
|
636 | }; |
700 | |
637 | |
701 | /*****************************************************************************/ |
638 | /*****************************************************************************/ |
702 | |
639 | |
703 | static void *aio_proc (void *thr_arg) |
640 | static SV * |
|
|
641 | get_cb (SV *cb_sv) |
704 | { |
642 | { |
705 | aio_req req; |
643 | SvGETMAGIC (cb_sv); |
706 | int type; |
644 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
707 | |
|
|
708 | do |
|
|
709 | { |
|
|
710 | pthread_mutex_lock (&reqlock); |
|
|
711 | |
|
|
712 | for (;;) |
|
|
713 | { |
|
|
714 | req = reqs; |
|
|
715 | |
|
|
716 | if (reqs) |
|
|
717 | { |
|
|
718 | reqs = reqs->next; |
|
|
719 | if (!reqs) reqe = 0; |
|
|
720 | } |
|
|
721 | |
|
|
722 | if (req) |
|
|
723 | break; |
|
|
724 | |
|
|
725 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
726 | } |
|
|
727 | |
|
|
728 | pthread_mutex_unlock (&reqlock); |
|
|
729 | |
|
|
730 | errno = 0; /* strictly unnecessary */ |
|
|
731 | |
|
|
732 | if (!req->cancelled) |
|
|
733 | switch (req->type) |
|
|
734 | { |
|
|
735 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
736 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
737 | |
|
|
738 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
739 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
|
|
740 | |
|
|
741 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
742 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
743 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
744 | |
|
|
745 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
746 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
747 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
748 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
749 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
|
|
750 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
|
|
751 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
752 | |
|
|
753 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
754 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
755 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
|
|
756 | |
|
|
757 | case REQ_SLEEP: |
|
|
758 | { |
|
|
759 | struct timeval tv; |
|
|
760 | |
|
|
761 | tv.tv_sec = req->fd; |
|
|
762 | tv.tv_usec = req->fd2; |
|
|
763 | |
|
|
764 | req->result = select (0, 0, 0, 0, &tv); |
|
|
765 | } |
|
|
766 | |
|
|
767 | case REQ_QUIT: |
|
|
768 | break; |
|
|
769 | |
|
|
770 | default: |
|
|
771 | req->result = ENOSYS; |
|
|
772 | break; |
|
|
773 | } |
|
|
774 | |
|
|
775 | req->errorno = errno; |
|
|
776 | |
|
|
777 | pthread_mutex_lock (&reslock); |
|
|
778 | |
|
|
779 | req->next = 0; |
|
|
780 | |
|
|
781 | if (rese) |
|
|
782 | { |
|
|
783 | rese->next = req; |
|
|
784 | rese = req; |
|
|
785 | } |
|
|
786 | else |
|
|
787 | { |
|
|
788 | rese = ress = req; |
|
|
789 | |
|
|
790 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
791 | write (respipe [1], &respipe, 1); |
|
|
792 | } |
|
|
793 | |
|
|
794 | pthread_mutex_unlock (&reslock); |
|
|
795 | } |
|
|
796 | while (type != REQ_QUIT); |
|
|
797 | |
|
|
798 | return 0; |
|
|
799 | } |
|
|
800 | |
|
|
801 | /*****************************************************************************/ |
|
|
802 | |
|
|
803 | static void atfork_prepare (void) |
|
|
804 | { |
|
|
805 | pthread_mutex_lock (&reqlock); |
|
|
806 | pthread_mutex_lock (&reslock); |
|
|
807 | #if !HAVE_PREADWRITE |
|
|
808 | pthread_mutex_lock (&preadwritelock); |
|
|
809 | #endif |
|
|
810 | #if !HAVE_READDIR_R |
|
|
811 | pthread_mutex_lock (&readdirlock); |
|
|
812 | #endif |
|
|
813 | } |
|
|
814 | |
|
|
815 | static void atfork_parent (void) |
|
|
816 | { |
|
|
817 | #if !HAVE_READDIR_R |
|
|
818 | pthread_mutex_unlock (&readdirlock); |
|
|
819 | #endif |
|
|
820 | #if !HAVE_PREADWRITE |
|
|
821 | pthread_mutex_unlock (&preadwritelock); |
|
|
822 | #endif |
|
|
823 | pthread_mutex_unlock (&reslock); |
|
|
824 | pthread_mutex_unlock (&reqlock); |
|
|
825 | } |
|
|
826 | |
|
|
827 | static void atfork_child (void) |
|
|
828 | { |
|
|
829 | aio_req prv; |
|
|
830 | |
|
|
831 | started = 0; |
|
|
832 | |
|
|
833 | while (reqs) |
|
|
834 | { |
|
|
835 | prv = reqs; |
|
|
836 | reqs = prv->next; |
|
|
837 | req_free (prv); |
|
|
838 | } |
|
|
839 | |
|
|
840 | reqs = reqe = 0; |
|
|
841 | |
|
|
842 | while (ress) |
|
|
843 | { |
|
|
844 | prv = ress; |
|
|
845 | ress = prv->next; |
|
|
846 | req_free (prv); |
|
|
847 | } |
|
|
848 | |
|
|
849 | ress = rese = 0; |
|
|
850 | |
|
|
851 | close (respipe [0]); |
|
|
852 | close (respipe [1]); |
|
|
853 | create_pipe (); |
|
|
854 | |
|
|
855 | atfork_parent (); |
|
|
856 | } |
645 | } |
857 | |
646 | |
858 | #define dREQ \ |
647 | #define dREQ \ |
|
|
648 | SV *cb_cv; \ |
859 | aio_req req; \ |
649 | aio_req req; \ |
|
|
650 | int req_pri = next_pri; \ |
|
|
651 | next_pri = EIO_PRI_DEFAULT; \ |
860 | \ |
652 | \ |
861 | if (SvOK (callback) && !SvROK (callback)) \ |
653 | cb_cv = get_cb (callback); \ |
862 | croak ("callback must be undef or of reference type"); \ |
|
|
863 | \ |
654 | \ |
864 | Newz (0, req, 1, aio_cb); \ |
655 | Newz (0, req, 1, eio_req); \ |
865 | if (!req) \ |
656 | if (!req) \ |
866 | croak ("out of memory during aio_req allocation"); \ |
657 | croak ("out of memory during eio_req allocation"); \ |
867 | \ |
658 | \ |
868 | req->callback = newSVsv (callback) |
659 | req->callback = SvREFCNT_inc (cb_cv); \ |
|
|
660 | req->pri = req_pri |
869 | |
661 | |
870 | #define REQ_SEND \ |
662 | #define REQ_SEND \ |
|
|
663 | PUTBACK; \ |
871 | req_send (req); \ |
664 | req_submit (req); \ |
|
|
665 | SPAGAIN; \ |
872 | \ |
666 | \ |
873 | if (GIMME_V != G_VOID) \ |
667 | if (GIMME_V != G_VOID) \ |
874 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
668 | XPUSHs (req_sv (req, aio_req_stash)); |
875 | |
669 | |
876 | MODULE = IO::AIO PACKAGE = IO::AIO |
670 | MODULE = IO::AIO PACKAGE = IO::AIO |
877 | |
671 | |
878 | PROTOTYPES: ENABLE |
672 | PROTOTYPES: ENABLE |
879 | |
673 | |
880 | BOOT: |
674 | BOOT: |
881 | { |
675 | { |
|
|
676 | static const struct { |
|
|
677 | const char *name; |
|
|
678 | IV iv; |
|
|
679 | } *civ, const_iv[] = { |
|
|
680 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
681 | # define const_iv(name) { # name, (IV) name }, |
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682 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
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683 | const_iv (EXDEV) |
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684 | const_iv (ENOSYS) |
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685 | const_iv (O_RDONLY) |
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686 | const_iv (O_WRONLY) |
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687 | const_iv (O_RDWR) |
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688 | const_iv (O_CREAT) |
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689 | const_iv (O_TRUNC) |
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690 | const_iv (O_EXCL) |
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691 | const_iv (O_APPEND) |
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692 | #ifndef _WIN32 |
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693 | const_iv (S_IFIFO) |
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694 | #endif |
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695 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
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696 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
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697 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
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698 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
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699 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
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700 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
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701 | |
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702 | const_iv (ST_RDONLY) |
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703 | const_iv (ST_NOSUID) |
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704 | const_iv (ST_NODEV) |
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705 | const_iv (ST_NOEXEC) |
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706 | const_iv (ST_SYNCHRONOUS) |
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707 | const_iv (ST_MANDLOCK) |
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708 | const_iv (ST_WRITE) |
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709 | const_iv (ST_APPEND) |
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710 | const_iv (ST_IMMUTABLE) |
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711 | const_iv (ST_NOATIME) |
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712 | const_iv (ST_NODIRATIME) |
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713 | const_iv (ST_RELATIME) |
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714 | |
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715 | const_iv (PROT_EXEC) |
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716 | const_iv (PROT_NONE) |
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717 | const_iv (PROT_READ) |
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718 | const_iv (PROT_WRITE) |
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719 | |
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720 | /*const_iv (MAP_FIXED)*/ |
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721 | const_iv (MAP_PRIVATE) |
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722 | const_iv (MAP_SHARED) |
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723 | const_iv (MAP_ANONYMOUS) |
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724 | |
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725 | /* linuxish */ |
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726 | const_iv (MAP_HUGETLB) |
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727 | const_iv (MAP_LOCKED) |
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728 | const_iv (MAP_NORESERVE) |
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729 | const_iv (MAP_POPULATE) |
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730 | const_iv (MAP_NONBLOCK) |
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731 | |
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732 | const_iv (MCL_FUTURE) |
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733 | const_iv (MCL_CURRENT) |
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734 | |
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735 | const_eio (MS_ASYNC) |
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736 | const_eio (MS_INVALIDATE) |
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737 | const_eio (MS_SYNC) |
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738 | |
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739 | const_eio (MT_MODIFY) |
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740 | |
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741 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
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742 | const_eio (SYNC_FILE_RANGE_WRITE) |
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743 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
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744 | |
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745 | const_eio (READDIR_DENTS) |
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746 | const_eio (READDIR_DIRS_FIRST) |
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747 | const_eio (READDIR_STAT_ORDER) |
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748 | const_eio (READDIR_FOUND_UNKNOWN) |
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749 | |
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750 | const_eio (DT_UNKNOWN) |
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751 | const_eio (DT_FIFO) |
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752 | const_eio (DT_CHR) |
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753 | const_eio (DT_DIR) |
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754 | const_eio (DT_BLK) |
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755 | const_eio (DT_REG) |
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756 | const_eio (DT_LNK) |
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757 | const_eio (DT_SOCK) |
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758 | const_eio (DT_WHT) |
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759 | }; |
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760 | |
882 | HV *stash = gv_stashpv ("IO::AIO", 1); |
761 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
883 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
762 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
884 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
763 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
885 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
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|
886 | |
764 | |
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|
765 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
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766 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
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767 | |
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|
768 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
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769 | |
887 | create_pipe (); |
770 | create_respipe (); |
888 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
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|
889 | } |
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|
890 | |
771 | |
|
|
772 | if (eio_init (want_poll, done_poll) < 0) |
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|
773 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
774 | |
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|
775 | /* atfork child called in fifo order, so before eio's handler */ |
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776 | X_THREAD_ATFORK (0, 0, atfork_child); |
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|
777 | } |
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778 | |
891 | void |
779 | void |
892 | min_parallel (nthreads) |
780 | max_poll_reqs (int nreqs) |
893 | int nthreads |
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|
894 | PROTOTYPE: $ |
781 | PROTOTYPE: $ |
|
|
782 | CODE: |
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|
783 | eio_set_max_poll_reqs (nreqs); |
895 | |
784 | |
896 | void |
785 | void |
897 | max_parallel (nthreads) |
786 | max_poll_time (double nseconds) |
898 | int nthreads |
|
|
899 | PROTOTYPE: $ |
787 | PROTOTYPE: $ |
900 | |
|
|
901 | int |
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|
902 | max_outstanding (nreqs) |
|
|
903 | int nreqs |
|
|
904 | PROTOTYPE: $ |
|
|
905 | CODE: |
788 | CODE: |
906 | RETVAL = max_outstanding; |
789 | eio_set_max_poll_time (nseconds); |
|
|
790 | |
|
|
791 | void |
|
|
792 | min_parallel (int nthreads) |
|
|
793 | PROTOTYPE: $ |
|
|
794 | CODE: |
|
|
795 | eio_set_min_parallel (nthreads); |
|
|
796 | |
|
|
797 | void |
|
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798 | max_parallel (int nthreads) |
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|
799 | PROTOTYPE: $ |
|
|
800 | CODE: |
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801 | eio_set_max_parallel (nthreads); |
|
|
802 | |
|
|
803 | void |
|
|
804 | max_idle (int nthreads) |
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805 | PROTOTYPE: $ |
|
|
806 | CODE: |
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|
807 | eio_set_max_idle (nthreads); |
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808 | |
|
|
809 | void |
|
|
810 | max_outstanding (int maxreqs) |
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|
811 | PROTOTYPE: $ |
|
|
812 | CODE: |
907 | max_outstanding = nreqs; |
813 | max_outstanding = maxreqs; |
908 | |
814 | |
909 | void |
815 | void |
910 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
816 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
911 | SV * pathname |
|
|
912 | int flags |
|
|
913 | int mode |
|
|
914 | SV * callback |
|
|
915 | PROTOTYPE: $$$;$ |
817 | PROTOTYPE: $$$;$ |
916 | PPCODE: |
818 | PPCODE: |
917 | { |
819 | { |
918 | dREQ; |
820 | dREQ; |
919 | |
821 | |
920 | req->type = REQ_OPEN; |
822 | req->type = EIO_OPEN; |
921 | req->data = newSVsv (pathname); |
823 | req->sv1 = newSVsv (pathname); |
922 | req->dataptr = SvPVbyte_nolen (req->data); |
824 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
923 | req->fd = flags; |
825 | req->int1 = flags; |
924 | req->mode = mode; |
826 | req->int2 = mode; |
925 | |
827 | |
926 | REQ_SEND; |
828 | REQ_SEND; |
927 | } |
829 | } |
928 | |
830 | |
929 | void |
831 | void |
930 | aio_close (fh,callback=&PL_sv_undef) |
832 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
931 | SV * fh |
|
|
932 | SV * callback |
|
|
933 | PROTOTYPE: $;$ |
833 | PROTOTYPE: $;$ |
934 | ALIAS: |
834 | ALIAS: |
935 | aio_close = REQ_CLOSE |
|
|
936 | aio_fsync = REQ_FSYNC |
835 | aio_fsync = EIO_FSYNC |
937 | aio_fdatasync = REQ_FDATASYNC |
836 | aio_fdatasync = EIO_FDATASYNC |
938 | PPCODE: |
837 | PPCODE: |
939 | { |
838 | { |
|
|
839 | int fd = s_fileno_croak (fh, 0); |
940 | dREQ; |
840 | dREQ; |
941 | |
841 | |
942 | req->type = ix; |
842 | req->type = ix; |
943 | req->fh = newSVsv (fh); |
843 | req->sv1 = newSVsv (fh); |
944 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
844 | req->int1 = fd; |
945 | |
845 | |
946 | REQ_SEND (req); |
846 | REQ_SEND (req); |
947 | } |
847 | } |
948 | |
848 | |
949 | void |
849 | void |
|
|
850 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
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|
851 | PROTOTYPE: $$$$;$ |
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|
852 | PPCODE: |
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|
853 | { |
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|
854 | int fd = s_fileno_croak (fh, 0); |
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855 | dREQ; |
|
|
856 | |
|
|
857 | req->type = EIO_SYNC_FILE_RANGE; |
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|
858 | req->sv1 = newSVsv (fh); |
|
|
859 | req->int1 = fd; |
|
|
860 | req->offs = offset; |
|
|
861 | req->size = nbytes; |
|
|
862 | req->int2 = flags; |
|
|
863 | |
|
|
864 | REQ_SEND (req); |
|
|
865 | } |
|
|
866 | |
|
|
867 | void |
|
|
868 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
869 | PROTOTYPE: $;$ |
|
|
870 | PPCODE: |
|
|
871 | { |
|
|
872 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
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|
873 | int fd = s_fileno_croak (fh, 0); |
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874 | dREQ; |
|
|
875 | |
|
|
876 | if (close_pipe < 0) |
|
|
877 | { |
|
|
878 | int pipefd [2]; |
|
|
879 | |
|
|
880 | if (pipe (pipefd) < 0 |
|
|
881 | || close (pipefd [1]) < 0 |
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|
882 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
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|
883 | abort (); /*D*/ |
|
|
884 | |
|
|
885 | close_pipe = pipefd [0]; |
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|
886 | } |
|
|
887 | |
|
|
888 | req->type = EIO_DUP2; |
|
|
889 | req->int1 = close_pipe; |
|
|
890 | req->sv2 = newSVsv (fh); |
|
|
891 | req->int2 = fd; |
|
|
892 | |
|
|
893 | REQ_SEND (req); |
|
|
894 | } |
|
|
895 | |
|
|
896 | void |
950 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
897 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
951 | SV * fh |
|
|
952 | UV offset |
|
|
953 | UV length |
|
|
954 | SV * data |
|
|
955 | UV dataoffset |
|
|
956 | SV * callback |
|
|
957 | ALIAS: |
898 | ALIAS: |
958 | aio_read = REQ_READ |
899 | aio_read = EIO_READ |
959 | aio_write = REQ_WRITE |
900 | aio_write = EIO_WRITE |
960 | PROTOTYPE: $$$$$;$ |
901 | PROTOTYPE: $$$$$;$ |
961 | PPCODE: |
902 | PPCODE: |
962 | { |
903 | { |
963 | aio_req req; |
|
|
964 | STRLEN svlen; |
904 | STRLEN svlen; |
|
|
905 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
965 | char *svptr = SvPVbyte (data, svlen); |
906 | char *svptr = SvPVbyte (data, svlen); |
966 | |
907 | UV len = SvUV (length); |
967 | SvUPGRADE (data, SVt_PV); |
|
|
968 | SvPOK_on (data); |
|
|
969 | |
908 | |
970 | if (dataoffset < 0) |
909 | if (dataoffset < 0) |
971 | dataoffset += svlen; |
910 | dataoffset += svlen; |
972 | |
911 | |
973 | if (dataoffset < 0 || dataoffset > svlen) |
912 | if (dataoffset < 0 || dataoffset > svlen) |
974 | croak ("data offset outside of string"); |
913 | croak ("dataoffset outside of data scalar"); |
975 | |
914 | |
976 | if (ix == REQ_WRITE) |
915 | if (ix == EIO_WRITE) |
977 | { |
916 | { |
978 | /* write: check length and adjust. */ |
917 | /* write: check length and adjust. */ |
979 | if (length < 0 || length + dataoffset > svlen) |
918 | if (!SvOK (length) || len + dataoffset > svlen) |
980 | length = svlen - dataoffset; |
919 | len = svlen - dataoffset; |
981 | } |
920 | } |
982 | else |
921 | else |
983 | { |
922 | { |
984 | /* read: grow scalar as necessary */ |
923 | /* read: check type and grow scalar as necessary */ |
|
|
924 | SvUPGRADE (data, SVt_PV); |
985 | svptr = SvGROW (data, length + dataoffset); |
925 | svptr = SvGROW (data, len + dataoffset + 1); |
986 | } |
926 | } |
987 | |
|
|
988 | if (length < 0) |
|
|
989 | croak ("length must not be negative"); |
|
|
990 | |
927 | |
991 | { |
928 | { |
992 | dREQ; |
929 | dREQ; |
993 | |
930 | |
994 | req->type = ix; |
931 | req->type = ix; |
995 | req->fh = newSVsv (fh); |
932 | req->sv1 = newSVsv (fh); |
996 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
933 | req->int1 = fd; |
997 | : IoOFP (sv_2io (fh))); |
934 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
998 | req->offset = offset; |
935 | req->size = len; |
999 | req->length = length; |
|
|
1000 | req->data = SvREFCNT_inc (data); |
936 | req->sv2 = SvREFCNT_inc (data); |
1001 | req->dataptr = (char *)svptr + dataoffset; |
937 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
938 | req->stroffset = dataoffset; |
1002 | |
939 | |
1003 | if (!SvREADONLY (data)) |
940 | if (!SvREADONLY (data)) |
1004 | { |
941 | { |
1005 | SvREADONLY_on (data); |
942 | SvREADONLY_on (data); |
1006 | req->data2ptr = (void *)data; |
943 | req->flags |= FLAG_SV2_RO_OFF; |
1007 | } |
944 | } |
1008 | |
945 | |
1009 | REQ_SEND; |
946 | REQ_SEND; |
1010 | } |
947 | } |
1011 | } |
948 | } |
1012 | |
949 | |
1013 | void |
950 | void |
|
|
951 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
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|
952 | PROTOTYPE: $$;$ |
|
|
953 | PPCODE: |
|
|
954 | { |
|
|
955 | SV *data; |
|
|
956 | dREQ; |
|
|
957 | |
|
|
958 | req->type = EIO_READLINK; |
|
|
959 | req->sv1 = newSVsv (path); |
|
|
960 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
961 | |
|
|
962 | REQ_SEND; |
|
|
963 | } |
|
|
964 | |
|
|
965 | void |
1014 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
966 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
1015 | SV * out_fh |
|
|
1016 | SV * in_fh |
|
|
1017 | UV in_offset |
|
|
1018 | UV length |
|
|
1019 | SV * callback |
|
|
1020 | PROTOTYPE: $$$$;$ |
967 | PROTOTYPE: $$$$;$ |
1021 | PPCODE: |
968 | PPCODE: |
1022 | { |
969 | { |
|
|
970 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
971 | int ofd = s_fileno_croak (out_fh, 1); |
1023 | dREQ; |
972 | dREQ; |
1024 | |
973 | |
1025 | req->type = REQ_SENDFILE; |
974 | req->type = EIO_SENDFILE; |
1026 | req->fh = newSVsv (out_fh); |
975 | req->sv1 = newSVsv (out_fh); |
1027 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
976 | req->int1 = ofd; |
1028 | req->fh2 = newSVsv (in_fh); |
977 | req->sv2 = newSVsv (in_fh); |
1029 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
978 | req->int2 = ifd; |
1030 | req->offset = in_offset; |
979 | req->offs = in_offset; |
1031 | req->length = length; |
980 | req->size = length; |
1032 | |
981 | |
1033 | REQ_SEND; |
982 | REQ_SEND; |
1034 | } |
983 | } |
1035 | |
984 | |
1036 | void |
985 | void |
1037 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
986 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1038 | SV * fh |
|
|
1039 | UV offset |
|
|
1040 | IV length |
|
|
1041 | SV * callback |
|
|
1042 | PROTOTYPE: $$$;$ |
987 | PROTOTYPE: $$$;$ |
1043 | PPCODE: |
988 | PPCODE: |
1044 | { |
989 | { |
|
|
990 | int fd = s_fileno_croak (fh, 0); |
1045 | dREQ; |
991 | dREQ; |
1046 | |
992 | |
1047 | req->type = REQ_READAHEAD; |
993 | req->type = EIO_READAHEAD; |
1048 | req->fh = newSVsv (fh); |
994 | req->sv1 = newSVsv (fh); |
1049 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
995 | req->int1 = fd; |
1050 | req->offset = offset; |
996 | req->offs = offset; |
1051 | req->length = length; |
997 | req->size = length; |
1052 | |
998 | |
1053 | REQ_SEND; |
999 | REQ_SEND; |
1054 | } |
1000 | } |
1055 | |
1001 | |
1056 | void |
1002 | void |
1057 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1003 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1058 | SV * fh_or_path |
|
|
1059 | SV * callback |
|
|
1060 | ALIAS: |
1004 | ALIAS: |
1061 | aio_stat = REQ_STAT |
1005 | aio_stat = EIO_STAT |
1062 | aio_lstat = REQ_LSTAT |
1006 | aio_lstat = EIO_LSTAT |
|
|
1007 | aio_statvfs = EIO_STATVFS |
1063 | PPCODE: |
1008 | PPCODE: |
1064 | { |
1009 | { |
1065 | dREQ; |
1010 | dREQ; |
1066 | |
1011 | |
1067 | New (0, req->statdata, 1, Stat_t); |
1012 | req->sv1 = newSVsv (fh_or_path); |
1068 | if (!req->statdata) |
|
|
1069 | { |
|
|
1070 | req_free (req); |
|
|
1071 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
1072 | } |
|
|
1073 | |
1013 | |
1074 | if (SvPOK (fh_or_path)) |
1014 | if (SvPOK (req->sv1)) |
1075 | { |
1015 | { |
1076 | req->type = ix; |
1016 | req->type = ix; |
1077 | req->data = newSVsv (fh_or_path); |
|
|
1078 | req->dataptr = SvPVbyte_nolen (req->data); |
1017 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1079 | } |
1018 | } |
1080 | else |
1019 | else |
1081 | { |
1020 | { |
1082 | req->type = REQ_FSTAT; |
1021 | req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT; |
1083 | req->fh = newSVsv (fh_or_path); |
|
|
1084 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1022 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1085 | } |
1023 | } |
1086 | |
1024 | |
1087 | REQ_SEND; |
1025 | REQ_SEND; |
1088 | } |
1026 | } |
1089 | |
1027 | |
1090 | void |
1028 | void |
|
|
1029 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
1030 | PPCODE: |
|
|
1031 | { |
|
|
1032 | dREQ; |
|
|
1033 | |
|
|
1034 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1035 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1036 | req->sv1 = newSVsv (fh_or_path); |
|
|
1037 | |
|
|
1038 | if (SvPOK (req->sv1)) |
|
|
1039 | { |
|
|
1040 | req->type = EIO_UTIME; |
|
|
1041 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1042 | } |
|
|
1043 | else |
|
|
1044 | { |
|
|
1045 | req->type = EIO_FUTIME; |
|
|
1046 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1047 | } |
|
|
1048 | |
|
|
1049 | REQ_SEND; |
|
|
1050 | } |
|
|
1051 | |
|
|
1052 | void |
|
|
1053 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
1054 | PPCODE: |
|
|
1055 | { |
|
|
1056 | dREQ; |
|
|
1057 | |
|
|
1058 | req->sv1 = newSVsv (fh_or_path); |
|
|
1059 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1060 | |
|
|
1061 | if (SvPOK (req->sv1)) |
|
|
1062 | { |
|
|
1063 | req->type = EIO_TRUNCATE; |
|
|
1064 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1065 | } |
|
|
1066 | else |
|
|
1067 | { |
|
|
1068 | req->type = EIO_FTRUNCATE; |
|
|
1069 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1070 | } |
|
|
1071 | |
|
|
1072 | REQ_SEND; |
|
|
1073 | } |
|
|
1074 | |
|
|
1075 | void |
|
|
1076 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
1077 | ALIAS: |
|
|
1078 | aio_chmod = EIO_CHMOD |
|
|
1079 | aio_mkdir = EIO_MKDIR |
|
|
1080 | PPCODE: |
|
|
1081 | { |
|
|
1082 | dREQ; |
|
|
1083 | |
|
|
1084 | req->int2 = mode; |
|
|
1085 | req->sv1 = newSVsv (fh_or_path); |
|
|
1086 | |
|
|
1087 | if (SvPOK (req->sv1)) |
|
|
1088 | { |
|
|
1089 | req->type = ix; |
|
|
1090 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1091 | } |
|
|
1092 | else |
|
|
1093 | { |
|
|
1094 | req->type = EIO_FCHMOD; |
|
|
1095 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1096 | } |
|
|
1097 | |
|
|
1098 | REQ_SEND; |
|
|
1099 | } |
|
|
1100 | |
|
|
1101 | void |
|
|
1102 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
1103 | PPCODE: |
|
|
1104 | { |
|
|
1105 | dREQ; |
|
|
1106 | |
|
|
1107 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1108 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1109 | req->sv1 = newSVsv (fh_or_path); |
|
|
1110 | |
|
|
1111 | if (SvPOK (req->sv1)) |
|
|
1112 | { |
|
|
1113 | req->type = EIO_CHOWN; |
|
|
1114 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1115 | } |
|
|
1116 | else |
|
|
1117 | { |
|
|
1118 | req->type = EIO_FCHOWN; |
|
|
1119 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1120 | } |
|
|
1121 | |
|
|
1122 | REQ_SEND; |
|
|
1123 | } |
|
|
1124 | |
|
|
1125 | void |
|
|
1126 | aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
|
|
1127 | PPCODE: |
|
|
1128 | { |
|
|
1129 | dREQ; |
|
|
1130 | |
|
|
1131 | req->type = EIO_READDIR; |
|
|
1132 | req->sv1 = newSVsv (pathname); |
|
|
1133 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1134 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1135 | |
|
|
1136 | if (flags & EIO_READDIR_DENTS) |
|
|
1137 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1138 | |
|
|
1139 | REQ_SEND; |
|
|
1140 | } |
|
|
1141 | |
|
|
1142 | void |
1091 | aio_unlink (pathname,callback=&PL_sv_undef) |
1143 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1092 | SV * pathname |
|
|
1093 | SV * callback |
|
|
1094 | ALIAS: |
1144 | ALIAS: |
1095 | aio_unlink = REQ_UNLINK |
1145 | aio_unlink = EIO_UNLINK |
1096 | aio_rmdir = REQ_RMDIR |
1146 | aio_rmdir = EIO_RMDIR |
1097 | aio_readdir = REQ_READDIR |
1147 | aio_readdir = EIO_READDIR |
1098 | PPCODE: |
1148 | PPCODE: |
1099 | { |
1149 | { |
1100 | dREQ; |
1150 | dREQ; |
1101 | |
1151 | |
1102 | req->type = ix; |
1152 | req->type = ix; |
1103 | req->data = newSVsv (pathname); |
1153 | req->sv1 = newSVsv (pathname); |
1104 | req->dataptr = SvPVbyte_nolen (req->data); |
1154 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1105 | |
1155 | |
1106 | REQ_SEND; |
1156 | REQ_SEND; |
1107 | } |
1157 | } |
1108 | |
1158 | |
1109 | void |
1159 | void |
1110 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1160 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1111 | SV * oldpath |
|
|
1112 | SV * newpath |
|
|
1113 | SV * callback |
|
|
1114 | ALIAS: |
1161 | ALIAS: |
1115 | aio_link = REQ_LINK |
1162 | aio_link = EIO_LINK |
1116 | aio_symlink = REQ_SYMLINK |
1163 | aio_symlink = EIO_SYMLINK |
1117 | aio_rename = REQ_RENAME |
1164 | aio_rename = EIO_RENAME |
1118 | PPCODE: |
1165 | PPCODE: |
1119 | { |
1166 | { |
1120 | dREQ; |
1167 | dREQ; |
1121 | |
1168 | |
1122 | req->type = ix; |
1169 | req->type = ix; |
1123 | req->fh = newSVsv (oldpath); |
1170 | req->sv1 = newSVsv (oldpath); |
1124 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1171 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1125 | req->data = newSVsv (newpath); |
1172 | req->sv2 = newSVsv (newpath); |
1126 | req->dataptr = SvPVbyte_nolen (req->data); |
1173 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
1127 | |
1174 | |
1128 | REQ_SEND; |
1175 | REQ_SEND; |
1129 | } |
1176 | } |
1130 | |
1177 | |
1131 | void |
1178 | void |
1132 | aio_sleep (delay,callback=&PL_sv_undef) |
1179 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1133 | double delay |
|
|
1134 | SV * callback |
|
|
1135 | PPCODE: |
1180 | PPCODE: |
1136 | { |
1181 | { |
1137 | dREQ; |
1182 | dREQ; |
1138 | |
1183 | |
1139 | req->type = REQ_SLEEP; |
1184 | req->type = EIO_MKNOD; |
1140 | req->fd = delay < 0. ? 0 : delay; |
1185 | req->sv1 = newSVsv (pathname); |
1141 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1186 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1142 | |
1187 | req->int2 = (mode_t)mode; |
|
|
1188 | req->offs = dev; |
|
|
1189 | |
1143 | REQ_SEND; |
1190 | REQ_SEND; |
1144 | } |
1191 | } |
1145 | |
1192 | |
1146 | void |
1193 | void |
|
|
1194 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
|
|
1195 | ALIAS: |
|
|
1196 | aio_mtouch = EIO_MTOUCH |
|
|
1197 | aio_msync = EIO_MSYNC |
|
|
1198 | PROTOTYPE: $$$$;$ |
|
|
1199 | PPCODE: |
|
|
1200 | { |
|
|
1201 | STRLEN svlen; |
|
|
1202 | UV len = SvUV (length); |
|
|
1203 | char *svptr = SvPVbyte (data, svlen); |
|
|
1204 | |
|
|
1205 | if (offset < 0) |
|
|
1206 | offset += svlen; |
|
|
1207 | |
|
|
1208 | if (offset < 0 || offset > svlen) |
|
|
1209 | croak ("offset outside of scalar"); |
|
|
1210 | |
|
|
1211 | if (!SvOK (length) || len + offset > svlen) |
|
|
1212 | len = svlen - offset; |
|
|
1213 | |
|
|
1214 | { |
|
|
1215 | dREQ; |
|
|
1216 | |
|
|
1217 | req->type = ix; |
|
|
1218 | req->size = len; |
|
|
1219 | req->sv2 = SvREFCNT_inc (data); |
|
|
1220 | req->ptr2 = (char *)svptr + offset; |
|
|
1221 | req->int1 = flags; |
|
|
1222 | |
|
|
1223 | REQ_SEND; |
|
|
1224 | } |
|
|
1225 | } |
|
|
1226 | |
|
|
1227 | void |
|
|
1228 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
|
|
1229 | PPCODE: |
|
|
1230 | { |
|
|
1231 | dREQ; |
|
|
1232 | |
|
|
1233 | req->type = EIO_BUSY; |
|
|
1234 | req->nv1 = delay < 0. ? 0. : delay; |
|
|
1235 | |
|
|
1236 | REQ_SEND; |
|
|
1237 | } |
|
|
1238 | |
|
|
1239 | void |
1147 | aio_group (callback=&PL_sv_undef) |
1240 | aio_group (SV *callback=&PL_sv_undef) |
1148 | SV * callback |
|
|
1149 | PROTOTYPE: ;$ |
1241 | PROTOTYPE: ;$ |
1150 | PPCODE: |
1242 | PPCODE: |
1151 | { |
1243 | { |
1152 | dREQ; |
1244 | dREQ; |
|
|
1245 | |
1153 | req->type = REQ_GROUP; |
1246 | req->type = EIO_GROUP; |
1154 | req->grp_next = req; |
|
|
1155 | req->grp_prev = req; |
|
|
1156 | |
1247 | |
1157 | req_send (req); |
1248 | req_submit (req); |
1158 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1249 | XPUSHs (req_sv (req, aio_grp_stash)); |
1159 | } |
1250 | } |
|
|
1251 | |
|
|
1252 | void |
|
|
1253 | aio_nop (SV *callback=&PL_sv_undef) |
|
|
1254 | ALIAS: |
|
|
1255 | aio_nop = EIO_NOP |
|
|
1256 | aio_sync = EIO_SYNC |
|
|
1257 | PPCODE: |
|
|
1258 | { |
|
|
1259 | dREQ; |
|
|
1260 | |
|
|
1261 | req->type = ix; |
|
|
1262 | |
|
|
1263 | REQ_SEND; |
|
|
1264 | } |
|
|
1265 | |
|
|
1266 | int |
|
|
1267 | aioreq_pri (int pri = 0) |
|
|
1268 | PROTOTYPE: ;$ |
|
|
1269 | CODE: |
|
|
1270 | RETVAL = next_pri; |
|
|
1271 | if (items > 0) |
|
|
1272 | { |
|
|
1273 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
|
|
1274 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
|
|
1275 | next_pri = pri; |
|
|
1276 | } |
|
|
1277 | OUTPUT: |
|
|
1278 | RETVAL |
|
|
1279 | |
|
|
1280 | void |
|
|
1281 | aioreq_nice (int nice = 0) |
|
|
1282 | CODE: |
|
|
1283 | nice = next_pri - nice; |
|
|
1284 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
|
|
1285 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
|
|
1286 | next_pri = nice; |
1160 | |
1287 | |
1161 | void |
1288 | void |
1162 | flush () |
1289 | flush () |
1163 | PROTOTYPE: |
1290 | PROTOTYPE: |
1164 | CODE: |
1291 | CODE: |
1165 | while (nreqs) |
1292 | while (eio_nreqs ()) |
1166 | { |
1293 | { |
1167 | poll_wait (); |
1294 | poll_wait (); |
1168 | poll_cb (); |
1295 | poll_cb (); |
1169 | } |
1296 | } |
1170 | |
1297 | |
1171 | void |
1298 | int |
1172 | poll() |
1299 | poll() |
1173 | PROTOTYPE: |
1300 | PROTOTYPE: |
1174 | CODE: |
1301 | CODE: |
1175 | if (nreqs) |
|
|
1176 | { |
|
|
1177 | poll_wait (); |
1302 | poll_wait (); |
1178 | poll_cb (); |
1303 | RETVAL = poll_cb (); |
1179 | } |
1304 | OUTPUT: |
|
|
1305 | RETVAL |
1180 | |
1306 | |
1181 | int |
1307 | int |
1182 | poll_fileno() |
1308 | poll_fileno() |
1183 | PROTOTYPE: |
1309 | PROTOTYPE: |
1184 | CODE: |
1310 | CODE: |
1185 | RETVAL = respipe [0]; |
1311 | RETVAL = s_epipe_fd (&respipe); |
1186 | OUTPUT: |
1312 | OUTPUT: |
1187 | RETVAL |
1313 | RETVAL |
1188 | |
1314 | |
1189 | int |
1315 | int |
1190 | poll_cb(...) |
1316 | poll_cb(...) |
… | |
… | |
1196 | |
1322 | |
1197 | void |
1323 | void |
1198 | poll_wait() |
1324 | poll_wait() |
1199 | PROTOTYPE: |
1325 | PROTOTYPE: |
1200 | CODE: |
1326 | CODE: |
1201 | if (nreqs) |
|
|
1202 | poll_wait (); |
1327 | poll_wait (); |
1203 | |
1328 | |
1204 | int |
1329 | int |
1205 | nreqs() |
1330 | nreqs() |
1206 | PROTOTYPE: |
1331 | PROTOTYPE: |
1207 | CODE: |
1332 | CODE: |
1208 | RETVAL = nreqs; |
1333 | RETVAL = eio_nreqs (); |
1209 | OUTPUT: |
1334 | OUTPUT: |
1210 | RETVAL |
1335 | RETVAL |
1211 | |
1336 | |
|
|
1337 | int |
|
|
1338 | nready() |
|
|
1339 | PROTOTYPE: |
|
|
1340 | CODE: |
|
|
1341 | RETVAL = eio_nready (); |
|
|
1342 | OUTPUT: |
|
|
1343 | RETVAL |
|
|
1344 | |
|
|
1345 | int |
|
|
1346 | npending() |
|
|
1347 | PROTOTYPE: |
|
|
1348 | CODE: |
|
|
1349 | RETVAL = eio_npending (); |
|
|
1350 | OUTPUT: |
|
|
1351 | RETVAL |
|
|
1352 | |
|
|
1353 | int |
|
|
1354 | nthreads() |
|
|
1355 | PROTOTYPE: |
|
|
1356 | CODE: |
|
|
1357 | RETVAL = eio_nthreads (); |
|
|
1358 | OUTPUT: |
|
|
1359 | RETVAL |
|
|
1360 | |
|
|
1361 | int |
|
|
1362 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
1363 | PROTOTYPE: $$$$ |
|
|
1364 | CODE: |
|
|
1365 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
|
|
1366 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
1367 | #else |
|
|
1368 | RETVAL = errno = ENOSYS; /* yes, this is actually correct */ |
|
|
1369 | #endif |
|
|
1370 | OUTPUT: |
|
|
1371 | RETVAL |
|
|
1372 | |
|
|
1373 | ssize_t |
|
|
1374 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
1375 | PROTOTYPE: $$$$ |
|
|
1376 | CODE: |
|
|
1377 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1378 | OUTPUT: |
|
|
1379 | RETVAL |
|
|
1380 | |
|
|
1381 | void |
|
|
1382 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
|
|
1383 | PROTOTYPE: $$$$$;$ |
|
|
1384 | PPCODE: |
|
|
1385 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1386 | { |
|
|
1387 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1388 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1389 | if (addr == (void *)-1) |
|
|
1390 | XSRETURN_NO; |
|
|
1391 | |
|
|
1392 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1393 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1394 | ->mg_obj = (SV *)length; |
|
|
1395 | |
|
|
1396 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1397 | if (!(prot & PROT_WRITE)) |
|
|
1398 | SvREADONLY_on (scalar); |
|
|
1399 | |
|
|
1400 | SvPVX (scalar) = (char *)addr; |
|
|
1401 | SvCUR_set (scalar, length); |
|
|
1402 | SvLEN_set (scalar, 0); |
|
|
1403 | SvPOK_only (scalar); |
|
|
1404 | |
|
|
1405 | XSRETURN_YES; |
|
|
1406 | } |
|
|
1407 | |
|
|
1408 | void |
|
|
1409 | munmap (SV *scalar) |
|
|
1410 | PROTOTYPE: $ |
|
|
1411 | CODE: |
|
|
1412 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1413 | |
|
|
1414 | int |
|
|
1415 | mlockall (int flags) |
|
|
1416 | PROTOTYPE: $ |
|
|
1417 | CODE: |
|
|
1418 | #if _POSIX_MEMLOCK |
|
|
1419 | #if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 |
|
|
1420 | extern int mallopt (int, int); |
|
|
1421 | mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */ |
|
|
1422 | #endif |
|
|
1423 | mlockall (flags); |
|
|
1424 | #else |
|
|
1425 | RETVAL = -1; |
|
|
1426 | errno = ENOSYS; |
|
|
1427 | #endif |
|
|
1428 | OUTPUT: |
|
|
1429 | RETVAL |
|
|
1430 | |
|
|
1431 | int |
|
|
1432 | munlockall () |
|
|
1433 | PROTOTYPE: |
|
|
1434 | CODE: |
|
|
1435 | #if _POSIX_MEMLOCK |
|
|
1436 | munlockall (); |
|
|
1437 | #else |
|
|
1438 | RETVAL = -1; |
|
|
1439 | errno = ENOSYS; |
|
|
1440 | #endif |
|
|
1441 | OUTPUT: |
|
|
1442 | RETVAL |
|
|
1443 | |
|
|
1444 | void _on_next_submit (SV *cb) |
|
|
1445 | CODE: |
|
|
1446 | SvREFCNT_dec (on_next_submit); |
|
|
1447 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1448 | |
|
|
1449 | PROTOTYPES: DISABLE |
|
|
1450 | |
1212 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1451 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1213 | |
1452 | |
1214 | void |
1453 | void |
1215 | cancel (aio_req_ornot req) |
1454 | cancel (aio_req_ornot req) |
1216 | PROTOTYPE: |
|
|
1217 | CODE: |
1455 | CODE: |
1218 | req_cancel (req); |
1456 | eio_cancel (req); |
|
|
1457 | |
|
|
1458 | void |
|
|
1459 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
|
|
1460 | PPCODE: |
|
|
1461 | { |
|
|
1462 | if (GIMME_V != G_VOID) |
|
|
1463 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1464 | |
|
|
1465 | if (items > 1) |
|
|
1466 | { |
|
|
1467 | SV *cb_cv =get_cb (callback); |
|
|
1468 | |
|
|
1469 | SvREFCNT_dec (req->callback); |
|
|
1470 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1471 | } |
|
|
1472 | } |
1219 | |
1473 | |
1220 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1474 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1221 | |
1475 | |
1222 | void |
1476 | void |
1223 | add (aio_req grp, ...) |
1477 | add (aio_req grp, ...) |
1224 | PROTOTYPE: $;@ |
|
|
1225 | PPCODE: |
1478 | PPCODE: |
1226 | { |
1479 | { |
1227 | int i; |
1480 | int i; |
|
|
1481 | |
|
|
1482 | if (grp->int1 == 2) |
|
|
1483 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1228 | |
1484 | |
1229 | for (i = 1; i < items; ++i ) |
1485 | for (i = 1; i < items; ++i ) |
1230 | { |
1486 | { |
|
|
1487 | aio_req req; |
|
|
1488 | |
1231 | if (GIMME_V != G_VOID) |
1489 | if (GIMME_V != G_VOID) |
1232 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1490 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1233 | |
1491 | |
1234 | aio_req req = SvAIO_REQ (ST (i)); |
1492 | req = SvAIO_REQ (ST (i)); |
1235 | printf ("req = %p\n", req);//D |
|
|
1236 | |
1493 | |
1237 | if (req) |
1494 | if (req) |
1238 | { |
1495 | eio_grp_add (grp, req); |
1239 | req->grp_prev = grp; |
|
|
1240 | req->grp_next = grp->grp_next; |
|
|
1241 | grp->grp_next->grp_prev = req; |
|
|
1242 | grp->grp_next = req; |
|
|
1243 | |
|
|
1244 | req->grp = grp; |
|
|
1245 | } |
|
|
1246 | } |
1496 | } |
1247 | } |
1497 | } |
1248 | |
1498 | |
|
|
1499 | void |
|
|
1500 | cancel_subs (aio_req_ornot req) |
|
|
1501 | CODE: |
|
|
1502 | req_cancel_subs (req); |
|
|
1503 | |
|
|
1504 | void |
|
|
1505 | result (aio_req grp, ...) |
|
|
1506 | CODE: |
|
|
1507 | { |
|
|
1508 | int i; |
|
|
1509 | AV *av; |
|
|
1510 | |
|
|
1511 | grp->errorno = errno; |
|
|
1512 | |
|
|
1513 | av = newAV (); |
|
|
1514 | av_extend (av, items - 1); |
|
|
1515 | |
|
|
1516 | for (i = 1; i < items; ++i ) |
|
|
1517 | av_push (av, newSVsv (ST (i))); |
|
|
1518 | |
|
|
1519 | SvREFCNT_dec (grp->sv1); |
|
|
1520 | grp->sv1 = (SV *)av; |
|
|
1521 | } |
|
|
1522 | |
|
|
1523 | void |
|
|
1524 | errno (aio_req grp, int errorno = errno) |
|
|
1525 | CODE: |
|
|
1526 | grp->errorno = errorno; |
|
|
1527 | |
|
|
1528 | void |
|
|
1529 | limit (aio_req grp, int limit) |
|
|
1530 | CODE: |
|
|
1531 | eio_grp_limit (grp, limit); |
|
|
1532 | |
|
|
1533 | void |
|
|
1534 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
|
|
1535 | CODE: |
|
|
1536 | { |
|
|
1537 | SvREFCNT_dec (grp->sv2); |
|
|
1538 | grp->sv2 = newSVsv (callback); |
|
|
1539 | grp->feed = aio_grp_feed; |
|
|
1540 | |
|
|
1541 | if (grp->int2 <= 0) |
|
|
1542 | grp->int2 = 2; |
|
|
1543 | |
|
|
1544 | eio_grp_limit (grp, grp->int2); |
|
|
1545 | } |
|
|
1546 | |