1 | #if __linux |
1 | #include "libeio/xthread.h" |
2 | # define _GNU_SOURCE |
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3 | #endif |
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4 | |
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5 | #define _REENTRANT 1 |
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6 | |
2 | |
7 | #include <errno.h> |
3 | #include <errno.h> |
8 | |
4 | |
9 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
10 | #include "perl.h" |
6 | #include "perl.h" |
11 | #include "XSUB.h" |
7 | #include "XSUB.h" |
12 | |
8 | |
13 | #include "autoconf/config.h" |
9 | #include "schmorp.h" |
14 | |
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15 | #include <pthread.h> |
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16 | |
10 | |
17 | #include <stddef.h> |
11 | #include <stddef.h> |
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12 | #include <stdlib.h> |
18 | #include <errno.h> |
13 | #include <errno.h> |
19 | #include <sys/time.h> |
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20 | #include <sys/select.h> |
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21 | #include <sys/types.h> |
14 | #include <sys/types.h> |
22 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
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16 | #include <sys/statvfs.h> |
23 | #include <limits.h> |
17 | #include <limits.h> |
24 | #include <unistd.h> |
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25 | #include <fcntl.h> |
18 | #include <fcntl.h> |
26 | #include <signal.h> |
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27 | #include <sched.h> |
19 | #include <sched.h> |
28 | |
20 | |
29 | #if HAVE_SENDFILE |
21 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
30 | # if __linux |
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31 | # include <sys/sendfile.h> |
22 | # include <sys/mman.h> |
32 | # elif __freebsd |
23 | #endif |
33 | # 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 | |
34 | # include <sys/uio.h> |
68 | # include <sys/time.h> |
35 | # elif __hpux |
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36 | # include <sys/socket.h> |
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37 | # elif __solaris /* not yet */ |
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38 | # 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/config.h" |
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124 | #include "libeio/eio.h" |
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125 | |
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126 | /* Linux/others */ |
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127 | #ifndef O_ASYNC |
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128 | # define O_ASYNC 0 |
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129 | #endif |
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130 | #ifndef O_DIRECT |
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131 | # define O_DIRECT 0 |
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132 | #endif |
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133 | #ifndef O_NOATIME |
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134 | # define O_NOATIME 0 |
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135 | #endif |
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136 | |
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137 | /* POSIX */ |
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138 | #ifndef O_CLOEXEC |
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139 | # define O_CLOEXEC 0 |
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140 | #endif |
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141 | #ifndef O_NOFOLLOW |
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142 | # define O_NOFOLLOW 0 |
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143 | #endif |
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144 | #ifndef O_NOCTTY |
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145 | # define O_NOCTTY 0 |
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146 | #endif |
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147 | #ifndef O_NONBLOCK |
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148 | # define O_NONBLOCK 0 |
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149 | #endif |
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150 | #ifndef O_EXEC |
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151 | # define O_EXEC 0 |
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152 | #endif |
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153 | #ifndef O_SEARCH |
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154 | # define O_SEARCH 0 |
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155 | #endif |
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156 | #ifndef O_DIRECTORY |
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157 | # define O_DIRECTORY 0 |
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158 | #endif |
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159 | #ifndef O_DSYNC |
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160 | # define O_DSYNC 0 |
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161 | #endif |
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162 | #ifndef O_RSYNC |
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163 | # define O_RSYNC 0 |
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164 | #endif |
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165 | #ifndef O_SYNC |
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166 | # define O_SYNC 0 |
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167 | #endif |
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168 | #ifndef O_TTY_INIT |
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169 | # define O_TTY_INIT 0 |
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170 | #endif |
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171 | |
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172 | #ifndef POSIX_FADV_NORMAL |
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173 | # define POSIX_FADV_NORMAL 0 |
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174 | #endif |
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175 | #ifndef POSIX_FADV_SEQUENTIAL |
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176 | # define POSIX_FADV_SEQUENTIAL 0 |
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177 | #endif |
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178 | #ifndef POSIX_FADV_RANDOM |
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179 | # define POSIX_FADV_RANDOM 0 |
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180 | #endif |
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181 | #ifndef POSIX_FADV_NOREUSE |
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182 | # define POSIX_FADV_NOREUSE 0 |
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183 | #endif |
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184 | #ifndef POSIX_FADV_WILLNEED |
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185 | # define POSIX_FADV_WILLNEED 0 |
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186 | #endif |
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187 | #ifndef POSIX_FADV_DONTNEED |
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188 | # define POSIX_FADV_DONTNEED 0 |
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189 | #endif |
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190 | |
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191 | #if !HAVE_POSIX_FADVISE |
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192 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
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193 | #endif |
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194 | |
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195 | #ifndef POSIX_MADV_NORMAL |
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196 | # define POSIX_MADV_NORMAL 0 |
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197 | #endif |
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198 | #ifndef POSIX_MADV_SEQUENTIAL |
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199 | # define POSIX_MADV_SEQUENTIAL 0 |
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200 | #endif |
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201 | #ifndef POSIX_MADV_RANDOM |
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202 | # define POSIX_MADV_RANDOM 0 |
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203 | #endif |
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204 | #ifndef POSIX_MADV_WILLNEED |
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205 | # define POSIX_MADV_WILLNEED 0 |
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206 | #endif |
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207 | #ifndef POSIX_MADV_DONTNEED |
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208 | # define POSIX_MADV_DONTNEED 0 |
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209 | #endif |
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210 | |
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211 | #if !HAVE_POSIX_MADVISE |
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212 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
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213 | #endif |
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214 | |
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215 | #ifndef PROT_NONE |
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216 | # define PROT_NONE 0 |
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217 | #endif |
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218 | #ifndef PROT_READ |
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219 | # define PROT_READ 0 |
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220 | #endif |
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221 | #ifndef PROT_WRITE |
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222 | # define PROT_READ 0 |
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223 | #endif |
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224 | #ifndef PROT_EXEC |
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225 | # define PROT_EXEC 0 |
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226 | #endif |
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227 | |
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228 | #ifndef ST_NODEV |
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229 | # define ST_NODEV 0 |
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230 | #endif |
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231 | #ifndef ST_NOEXEC |
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232 | # define ST_NOEXEC 0 |
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233 | #endif |
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234 | #ifndef ST_SYNCHRONOUS |
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235 | # define ST_SYNCHRONOUS 0 |
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236 | #endif |
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237 | #ifndef ST_MANDLOCK |
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238 | # define ST_MANDLOCK 0 |
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239 | #endif |
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240 | #ifndef ST_WRITE |
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241 | # define ST_WRITE 0 |
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242 | #endif |
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243 | #ifndef ST_APPEND |
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244 | # define ST_APPEND 0 |
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245 | #endif |
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246 | #ifndef ST_IMMUTABLE |
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247 | # define ST_IMMUTABLE 0 |
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248 | #endif |
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249 | #ifndef ST_NOATIME |
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250 | # define ST_NOATIME 0 |
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251 | #endif |
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252 | #ifndef ST_NODIRATIME |
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253 | # define ST_NODIRATIME 0 |
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254 | #endif |
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255 | #ifndef ST_RELATIME |
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256 | # define ST_RELATIME 0 |
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257 | #endif |
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258 | |
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259 | #ifndef S_IFIFO |
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260 | # define S_IFIFO 0 |
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261 | #endif |
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262 | #ifndef S_IFCHR |
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263 | # define S_IFCHR 0 |
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264 | #endif |
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265 | #ifndef S_IFBLK |
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266 | # define S_IFBLK 0 |
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267 | #endif |
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268 | #ifndef S_IFLNK |
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269 | # define S_IFLNK 0 |
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270 | #endif |
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271 | #ifndef S_IFREG |
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272 | # define S_IFREG 0 |
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273 | #endif |
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274 | #ifndef S_IFDIR |
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275 | # define S_IFDIR 0 |
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276 | #endif |
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277 | #ifndef S_IFWHT |
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278 | # define S_IFWHT 0 |
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279 | #endif |
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280 | #ifndef S_IFSOCK |
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281 | # define S_IFSOCK 0 |
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282 | #endif |
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283 | |
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284 | #ifndef MAP_ANONYMOUS |
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285 | # ifdef MAP_ANON |
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286 | # define MAP_ANONYMOUS MAP_ANON |
39 | # else |
287 | # else |
40 | # error sendfile support requested but not available |
288 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
41 | # endif |
289 | # endif |
42 | #endif |
290 | #endif |
43 | |
291 | #ifndef MAP_HUGETLB |
44 | /* used for struct dirent, AIX doesn't provide it */ |
292 | # define MAP_HUGETLB 0 |
45 | #ifndef NAME_MAX |
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46 | # define NAME_MAX 4096 |
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47 | #endif |
293 | #endif |
48 | |
294 | #ifndef MAP_LOCKED |
49 | #if __ia64 |
295 | # define MAP_LOCKED 0 |
50 | # define STACKSIZE 65536 |
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51 | #else |
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52 | # define STACKSIZE 8192 |
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53 | #endif |
296 | #endif |
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297 | #ifndef MAP_NORESERVE |
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298 | # define MAP_NORESERVE 0 |
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299 | #endif |
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300 | #ifndef MAP_POPULATE |
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301 | # define MAP_POPULATE 0 |
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302 | #endif |
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303 | #ifndef MAP_NONBLOCK |
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304 | # define MAP_NONBLOCK 0 |
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305 | #endif |
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306 | |
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307 | #ifndef makedev |
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308 | # define makedev(maj,min) (((maj) << 8) | (min)) |
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309 | #endif |
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310 | #ifndef major |
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311 | # define major(dev) ((dev) >> 8) |
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312 | #endif |
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313 | #ifndef minor |
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314 | # define minor(dev) ((dev) & 0xff) |
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315 | #endif |
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316 | |
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317 | #ifndef PAGESIZE |
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318 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
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319 | #endif |
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320 | |
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321 | static int req_invoke (eio_req *req); |
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322 | #define EIO_FINISH(req) req_invoke (req) |
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323 | static void req_destroy (eio_req *grp); |
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324 | #define EIO_DESTROY(req) req_destroy (req) |
54 | |
325 | |
55 | enum { |
326 | enum { |
56 | REQ_QUIT, |
327 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
57 | REQ_OPEN, REQ_CLOSE, |
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58 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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59 | REQ_SENDFILE, |
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60 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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61 | REQ_FSYNC, REQ_FDATASYNC, |
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62 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
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63 | REQ_READDIR, |
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64 | REQ_LINK, REQ_SYMLINK, |
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65 | REQ_GROUP, REQ_NOP, |
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66 | REQ_SLEEP, |
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67 | }; |
328 | }; |
68 | |
329 | |
69 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
330 | #include "libeio/eio.c" |
70 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
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71 | |
331 | |
72 | typedef struct aio_cb |
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73 | { |
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74 | struct aio_cb *volatile next; |
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75 | |
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76 | SV *data, *callback; |
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77 | SV *fh, *fh2; |
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78 | void *dataptr, *data2ptr; |
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79 | Stat_t *statdata; |
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80 | off_t offset; |
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81 | size_t length; |
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82 | ssize_t result; |
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83 | |
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84 | STRLEN dataoffset; |
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85 | int type; |
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86 | int fd, fd2; |
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87 | int errorno; |
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88 | mode_t mode; /* open */ |
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89 | |
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90 | unsigned char flags; |
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91 | unsigned char pri; |
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92 | |
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93 | SV *self; /* the perl counterpart of this request, if any */ |
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94 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
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95 | } aio_cb; |
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96 | |
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97 | enum { |
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98 | FLAG_CANCELLED = 0x01, |
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99 | }; |
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100 | |
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101 | typedef aio_cb *aio_req; |
332 | typedef eio_req *aio_req; |
102 | typedef aio_cb *aio_req_ornot; |
333 | typedef eio_req *aio_req_ornot; |
103 | |
334 | |
104 | enum { |
335 | static SV *on_next_submit; |
105 | PRI_MIN = -4, |
336 | static int next_pri = EIO_PRI_DEFAULT; |
106 | PRI_MAX = 4, |
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107 | |
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108 | DEFAULT_PRI = 0, |
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109 | PRI_BIAS = -PRI_MIN, |
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110 | }; |
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111 | |
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112 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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113 | |
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114 | static int started, wanted; |
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115 | static volatile int nreqs; |
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116 | static int max_outstanding = 1<<30; |
337 | static int max_outstanding; |
117 | static int respipe [2]; |
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118 | |
338 | |
119 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
339 | static s_epipe respipe; |
120 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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121 | #else |
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122 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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123 | #endif |
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124 | |
340 | |
125 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
341 | static void req_destroy (aio_req req); |
126 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
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127 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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128 | |
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129 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
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130 | static volatile aio_req ress, rese; /* queue start, queue end */ |
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131 | |
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132 | static void req_invoke (aio_req req); |
342 | static void req_cancel (aio_req req); |
133 | static void req_free (aio_req req); |
343 | |
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344 | static void want_poll (void) |
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345 | { |
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346 | /* write a dummy byte to the pipe so fh becomes ready */ |
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347 | s_epipe_signal (&respipe); |
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348 | } |
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349 | |
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350 | static void done_poll (void) |
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351 | { |
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352 | /* read any signals sent by the worker threads */ |
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353 | s_epipe_drain (&respipe); |
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354 | } |
134 | |
355 | |
135 | /* must be called at most once */ |
356 | /* must be called at most once */ |
136 | static SV *req_sv (aio_req req, const char *klass) |
357 | static SV *req_sv (aio_req req, HV *stash) |
137 | { |
358 | { |
138 | if (!req->self) |
359 | if (!req->self) |
139 | { |
360 | { |
140 | req->self = (SV *)newHV (); |
361 | req->self = (SV *)newHV (); |
141 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
362 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
142 | } |
363 | } |
143 | |
364 | |
144 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
365 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
145 | } |
366 | } |
146 | |
367 | |
147 | static aio_req SvAIO_REQ (SV *sv) |
368 | static aio_req SvAIO_REQ (SV *sv) |
148 | { |
369 | { |
149 | MAGIC *mg; |
370 | MAGIC *mg; |
150 | |
371 | |
151 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
372 | if (!SvROK (sv) |
|
|
373 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
|
|
374 | && SvSTASH (SvRV (sv)) != aio_req_stash |
|
|
375 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
152 | croak ("object of class " AIO_REQ_KLASS " expected"); |
376 | croak ("object of class IO::AIO::REQ expected"); |
153 | |
377 | |
154 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
378 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
155 | |
379 | |
156 | return mg ? (aio_req)mg->mg_ptr : 0; |
380 | return mg ? (aio_req)mg->mg_ptr : 0; |
157 | } |
381 | } |
158 | |
382 | |
159 | static void aio_grp_feed (aio_req grp) |
383 | static void aio_grp_feed (aio_req grp) |
160 | { |
384 | { |
161 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
385 | if (grp->sv2 && SvOK (grp->sv2)) |
162 | { |
386 | { |
163 | int old_len = grp->length; |
387 | dSP; |
164 | |
388 | |
165 | if (grp->fh2 && SvOK (grp->fh2)) |
389 | ENTER; |
|
|
390 | SAVETMPS; |
|
|
391 | PUSHMARK (SP); |
|
|
392 | XPUSHs (req_sv (grp, aio_grp_stash)); |
|
|
393 | PUTBACK; |
|
|
394 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
|
|
395 | SPAGAIN; |
|
|
396 | FREETMPS; |
|
|
397 | LEAVE; |
|
|
398 | } |
|
|
399 | } |
|
|
400 | |
|
|
401 | static void req_submit (eio_req *req) |
|
|
402 | { |
|
|
403 | eio_submit (req); |
|
|
404 | |
|
|
405 | if (expect_false (on_next_submit)) |
|
|
406 | { |
|
|
407 | dSP; |
|
|
408 | SV *cb = sv_2mortal (on_next_submit); |
|
|
409 | |
|
|
410 | on_next_submit = 0; |
|
|
411 | |
|
|
412 | PUSHMARK (SP); |
|
|
413 | PUTBACK; |
|
|
414 | call_sv (cb, G_DISCARD | G_EVAL); |
|
|
415 | } |
|
|
416 | } |
|
|
417 | |
|
|
418 | static int req_invoke (eio_req *req) |
|
|
419 | { |
|
|
420 | if (req->flags & FLAG_SV2_RO_OFF) |
|
|
421 | SvREADONLY_off (req->sv2); |
|
|
422 | |
|
|
423 | if (!EIO_CANCELLED (req) && req->callback) |
|
|
424 | { |
|
|
425 | dSP; |
|
|
426 | static SV *sv_result_cache; /* caches the result integer SV */ |
|
|
427 | SV *sv_result; |
|
|
428 | |
|
|
429 | ENTER; |
|
|
430 | SAVETMPS; |
|
|
431 | PUSHMARK (SP); |
|
|
432 | EXTEND (SP, 1); |
|
|
433 | |
|
|
434 | /* do not recreate the result IV from scratch each time */ |
|
|
435 | if (expect_true (sv_result_cache)) |
166 | { |
436 | { |
167 | dSP; |
437 | sv_result = sv_result_cache; sv_result_cache = 0; |
168 | |
438 | SvIV_set (sv_result, req->result); |
169 | ENTER; |
439 | SvIOK_only (sv_result); |
170 | SAVETMPS; |
|
|
171 | PUSHMARK (SP); |
|
|
172 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
|
|
173 | PUTBACK; |
|
|
174 | call_sv (grp->fh2, G_VOID | G_EVAL); |
|
|
175 | SPAGAIN; |
|
|
176 | FREETMPS; |
|
|
177 | LEAVE; |
|
|
178 | } |
440 | } |
179 | |
441 | else |
180 | /* stop if no progress has been made */ |
|
|
181 | if (old_len == grp->length) |
|
|
182 | { |
442 | { |
183 | SvREFCNT_dec (grp->fh2); |
443 | sv_result = newSViv (req->result); |
184 | grp->fh2 = 0; |
444 | SvREADONLY_on (sv_result); |
185 | break; |
|
|
186 | } |
445 | } |
|
|
446 | |
|
|
447 | switch (req->type) |
|
|
448 | { |
|
|
449 | case EIO_READDIR: |
|
|
450 | { |
|
|
451 | SV *rv = &PL_sv_undef; |
|
|
452 | |
|
|
453 | if (req->result >= 0) |
|
|
454 | { |
|
|
455 | int i; |
|
|
456 | char *names = (char *)req->ptr2; |
|
|
457 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
|
|
458 | AV *av = newAV (); |
|
|
459 | |
|
|
460 | av_extend (av, req->result - 1); |
|
|
461 | |
|
|
462 | for (i = 0; i < req->result; ++i) |
|
|
463 | { |
|
|
464 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
465 | { |
|
|
466 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
|
|
467 | |
|
|
468 | if (req->int1 & EIO_READDIR_CUSTOM2) |
|
|
469 | { |
|
|
470 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
|
|
471 | AV *avent = newAV (); |
|
|
472 | |
|
|
473 | av_extend (avent, 2); |
|
|
474 | |
|
|
475 | if (!sv_type [ent->type]) |
|
|
476 | { |
|
|
477 | sv_type [ent->type] = newSViv (ent->type); |
|
|
478 | SvREADONLY_on (sv_type [ent->type]); |
|
|
479 | } |
|
|
480 | |
|
|
481 | av_store (avent, 0, namesv); |
|
|
482 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
|
|
483 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
|
|
484 | |
|
|
485 | av_store (av, i, newRV_noinc ((SV *)avent)); |
|
|
486 | } |
|
|
487 | else |
|
|
488 | av_store (av, i, namesv); |
|
|
489 | |
|
|
490 | ++ent; |
|
|
491 | } |
|
|
492 | else |
|
|
493 | { |
|
|
494 | SV *name = newSVpv (names, 0); |
|
|
495 | av_store (av, i, name); |
|
|
496 | names += SvCUR (name) + 1; |
|
|
497 | } |
|
|
498 | } |
|
|
499 | |
|
|
500 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
|
501 | } |
|
|
502 | |
|
|
503 | PUSHs (rv); |
|
|
504 | |
|
|
505 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
506 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
|
|
507 | } |
|
|
508 | break; |
|
|
509 | |
|
|
510 | case EIO_OPEN: |
|
|
511 | { |
|
|
512 | /* convert fd to fh */ |
|
|
513 | SV *fh = &PL_sv_undef; |
|
|
514 | |
|
|
515 | if (req->result >= 0) |
|
|
516 | { |
|
|
517 | GV *gv = (GV *)sv_newmortal (); |
|
|
518 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
|
|
519 | char sym [64]; |
|
|
520 | int symlen; |
|
|
521 | |
|
|
522 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
|
|
523 | gv_init (gv, aio_stash, sym, symlen, 0); |
|
|
524 | |
|
|
525 | symlen = snprintf ( |
|
|
526 | sym, |
|
|
527 | sizeof (sym), |
|
|
528 | "%s&=%d", |
|
|
529 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
530 | (int)req->result |
|
|
531 | ); |
|
|
532 | |
|
|
533 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
534 | fh = (SV *)gv; |
|
|
535 | } |
|
|
536 | |
|
|
537 | PUSHs (fh); |
|
|
538 | } |
|
|
539 | break; |
|
|
540 | |
|
|
541 | case EIO_STATVFS: |
|
|
542 | case EIO_FSTATVFS: |
|
|
543 | { |
|
|
544 | SV *rv = &PL_sv_undef; |
|
|
545 | |
|
|
546 | if (req->result >= 0) |
|
|
547 | { |
|
|
548 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
549 | HV *hv = newHV (); |
|
|
550 | |
|
|
551 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
|
|
552 | |
|
|
553 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
|
|
554 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
555 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
556 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
557 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
558 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
559 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
560 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
561 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
|
|
562 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
563 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
564 | } |
|
|
565 | |
|
|
566 | PUSHs (rv); |
|
|
567 | } |
|
|
568 | |
|
|
569 | break; |
|
|
570 | |
|
|
571 | case EIO_GROUP: |
|
|
572 | req->int1 = 2; /* mark group as finished */ |
|
|
573 | |
|
|
574 | if (req->sv1) |
|
|
575 | { |
|
|
576 | int i; |
|
|
577 | AV *av = (AV *)req->sv1; |
|
|
578 | |
|
|
579 | EXTEND (SP, AvFILL (av) + 1); |
|
|
580 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
581 | PUSHs (*av_fetch (av, i, 0)); |
|
|
582 | } |
|
|
583 | break; |
|
|
584 | |
|
|
585 | case EIO_NOP: |
|
|
586 | case EIO_BUSY: |
|
|
587 | break; |
|
|
588 | |
|
|
589 | case EIO_READLINK: |
|
|
590 | if (req->result > 0) |
|
|
591 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
592 | break; |
|
|
593 | |
|
|
594 | case EIO_STAT: |
|
|
595 | case EIO_LSTAT: |
|
|
596 | case EIO_FSTAT: |
|
|
597 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
598 | PL_laststatval = req->result; |
|
|
599 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
600 | PUSHs (sv_result); |
|
|
601 | break; |
|
|
602 | |
|
|
603 | case EIO_READ: |
|
|
604 | { |
|
|
605 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
606 | *SvEND (req->sv2) = 0; |
|
|
607 | SvPOK_only (req->sv2); |
|
|
608 | SvSETMAGIC (req->sv2); |
|
|
609 | PUSHs (sv_result); |
|
|
610 | } |
|
|
611 | break; |
|
|
612 | |
|
|
613 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
|
|
614 | if (req->result > 0) |
|
|
615 | SvIV_set (sv_result, 0); |
|
|
616 | /* FALLTHROUGH */ |
|
|
617 | |
|
|
618 | default: |
|
|
619 | PUSHs (sv_result); |
|
|
620 | break; |
|
|
621 | } |
|
|
622 | |
|
|
623 | errno = req->errorno; |
|
|
624 | |
|
|
625 | PUTBACK; |
|
|
626 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
|
|
627 | SPAGAIN; |
|
|
628 | |
|
|
629 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
630 | SvREFCNT_dec (sv_result); |
|
|
631 | else |
|
|
632 | sv_result_cache = sv_result; |
|
|
633 | |
|
|
634 | FREETMPS; |
|
|
635 | LEAVE; |
|
|
636 | |
|
|
637 | PUTBACK; |
187 | } |
638 | } |
188 | } |
|
|
189 | |
639 | |
190 | static void aio_grp_dec (aio_req grp) |
640 | return !!SvTRUE (ERRSV); |
191 | { |
|
|
192 | --grp->length; |
|
|
193 | |
|
|
194 | /* call feeder, if applicable */ |
|
|
195 | aio_grp_feed (grp); |
|
|
196 | |
|
|
197 | /* finish, if done */ |
|
|
198 | if (!grp->length && grp->fd) |
|
|
199 | { |
|
|
200 | req_invoke (grp); |
|
|
201 | req_free (grp); |
|
|
202 | } |
|
|
203 | } |
641 | } |
204 | |
642 | |
205 | static void poll_wait () |
|
|
206 | { |
|
|
207 | fd_set rfd; |
|
|
208 | |
|
|
209 | while (nreqs) |
|
|
210 | { |
|
|
211 | aio_req req; |
|
|
212 | #if !(__x86 || __x86_64) /* safe without sempahore on this archs */ |
|
|
213 | pthread_mutex_lock (&reslock); |
|
|
214 | #endif |
|
|
215 | req = ress; |
|
|
216 | #if !(__x86 || __x86_64) /* safe without sempahore on this archs */ |
|
|
217 | pthread_mutex_unlock (&reslock); |
|
|
218 | #endif |
|
|
219 | |
|
|
220 | if (req) |
|
|
221 | return; |
|
|
222 | |
|
|
223 | FD_ZERO(&rfd); |
|
|
224 | FD_SET(respipe [0], &rfd); |
|
|
225 | |
|
|
226 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
227 | } |
|
|
228 | } |
|
|
229 | |
|
|
230 | static void req_invoke (aio_req req) |
|
|
231 | { |
|
|
232 | dSP; |
|
|
233 | int errorno = errno; |
|
|
234 | |
|
|
235 | if (req->flags & FLAG_CANCELLED || !SvOK (req->callback)) |
|
|
236 | return; |
|
|
237 | |
|
|
238 | errno = req->errorno; |
|
|
239 | |
|
|
240 | ENTER; |
|
|
241 | SAVETMPS; |
|
|
242 | PUSHMARK (SP); |
|
|
243 | EXTEND (SP, 1); |
|
|
244 | |
|
|
245 | switch (req->type) |
|
|
246 | { |
|
|
247 | case REQ_READDIR: |
|
|
248 | { |
|
|
249 | SV *rv = &PL_sv_undef; |
|
|
250 | |
|
|
251 | if (req->result >= 0) |
|
|
252 | { |
|
|
253 | char *buf = req->data2ptr; |
|
|
254 | AV *av = newAV (); |
|
|
255 | |
|
|
256 | while (req->result) |
|
|
257 | { |
|
|
258 | SV *sv = newSVpv (buf, 0); |
|
|
259 | |
|
|
260 | av_push (av, sv); |
|
|
261 | buf += SvCUR (sv) + 1; |
|
|
262 | req->result--; |
|
|
263 | } |
|
|
264 | |
|
|
265 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
|
266 | } |
|
|
267 | |
|
|
268 | PUSHs (rv); |
|
|
269 | } |
|
|
270 | break; |
|
|
271 | |
|
|
272 | case REQ_OPEN: |
|
|
273 | { |
|
|
274 | /* convert fd to fh */ |
|
|
275 | SV *fh; |
|
|
276 | |
|
|
277 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
278 | PUTBACK; |
|
|
279 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
280 | SPAGAIN; |
|
|
281 | |
|
|
282 | fh = SvREFCNT_inc (POPs); |
|
|
283 | |
|
|
284 | PUSHMARK (SP); |
|
|
285 | XPUSHs (sv_2mortal (fh)); |
|
|
286 | } |
|
|
287 | break; |
|
|
288 | |
|
|
289 | case REQ_GROUP: |
|
|
290 | req->fd = 2; /* mark group as finished */ |
|
|
291 | |
|
|
292 | if (req->data) |
|
|
293 | { |
|
|
294 | int i; |
|
|
295 | AV *av = (AV *)req->data; |
|
|
296 | |
|
|
297 | EXTEND (SP, AvFILL (av) + 1); |
|
|
298 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
299 | PUSHs (*av_fetch (av, i, 0)); |
|
|
300 | } |
|
|
301 | break; |
|
|
302 | |
|
|
303 | case REQ_NOP: |
|
|
304 | case REQ_SLEEP: |
|
|
305 | break; |
|
|
306 | |
|
|
307 | default: |
|
|
308 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
309 | break; |
|
|
310 | } |
|
|
311 | |
|
|
312 | |
|
|
313 | PUTBACK; |
|
|
314 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
315 | SPAGAIN; |
|
|
316 | |
|
|
317 | FREETMPS; |
|
|
318 | LEAVE; |
|
|
319 | |
|
|
320 | errno = errorno; |
|
|
321 | |
|
|
322 | if (SvTRUE (ERRSV)) |
|
|
323 | { |
|
|
324 | req_free (req); |
|
|
325 | croak (0); |
|
|
326 | } |
|
|
327 | } |
|
|
328 | |
|
|
329 | static void req_free (aio_req req) |
643 | static void req_destroy (aio_req req) |
330 | { |
644 | { |
331 | if (req->grp) |
|
|
332 | { |
|
|
333 | aio_req grp = req->grp; |
|
|
334 | |
|
|
335 | /* unlink request */ |
|
|
336 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
337 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
338 | |
|
|
339 | if (grp->grp_first == req) |
|
|
340 | grp->grp_first = req->grp_next; |
|
|
341 | |
|
|
342 | aio_grp_dec (grp); |
|
|
343 | } |
|
|
344 | |
|
|
345 | if (req->self) |
645 | if (req->self) |
346 | { |
646 | { |
347 | sv_unmagic (req->self, PERL_MAGIC_ext); |
647 | sv_unmagic (req->self, PERL_MAGIC_ext); |
348 | SvREFCNT_dec (req->self); |
648 | SvREFCNT_dec (req->self); |
349 | } |
649 | } |
350 | |
650 | |
351 | SvREFCNT_dec (req->data); |
|
|
352 | SvREFCNT_dec (req->fh); |
651 | SvREFCNT_dec (req->sv1); |
353 | SvREFCNT_dec (req->fh2); |
652 | SvREFCNT_dec (req->sv2); |
354 | SvREFCNT_dec (req->callback); |
653 | SvREFCNT_dec (req->callback); |
355 | Safefree (req->statdata); |
|
|
356 | |
|
|
357 | if (req->type == REQ_READDIR && req->result >= 0) |
|
|
358 | free (req->data2ptr); |
|
|
359 | |
654 | |
360 | Safefree (req); |
655 | Safefree (req); |
361 | } |
656 | } |
362 | |
657 | |
363 | static void req_cancel (aio_req req) |
658 | static void req_cancel_subs (aio_req grp) |
364 | { |
659 | { |
365 | req->flags |= FLAG_CANCELLED; |
660 | aio_req sub; |
366 | |
661 | |
367 | if (req->type == REQ_GROUP) |
662 | if (grp->type != EIO_GROUP) |
|
|
663 | return; |
|
|
664 | |
|
|
665 | SvREFCNT_dec (grp->sv2); |
|
|
666 | grp->sv2 = 0; |
|
|
667 | |
|
|
668 | eio_grp_cancel (grp); |
|
|
669 | } |
|
|
670 | |
|
|
671 | static void |
|
|
672 | create_respipe (void) |
|
|
673 | { |
|
|
674 | if (s_epipe_renew (&respipe)) |
|
|
675 | croak ("IO::AIO: unable to initialize result pipe"); |
|
|
676 | } |
|
|
677 | |
|
|
678 | static void poll_wait (void) |
|
|
679 | { |
|
|
680 | while (eio_nreqs ()) |
368 | { |
681 | { |
369 | aio_req sub; |
682 | int size; |
370 | |
683 | |
371 | for (sub = req->grp_first; sub; sub = sub->grp_next) |
684 | X_LOCK (reslock); |
372 | req_cancel (sub); |
685 | size = res_queue.size; |
|
|
686 | X_UNLOCK (reslock); |
|
|
687 | |
|
|
688 | if (size) |
|
|
689 | return; |
|
|
690 | |
|
|
691 | etp_maybe_start_thread (); |
|
|
692 | |
|
|
693 | s_epipe_wait (&respipe); |
373 | } |
694 | } |
374 | } |
695 | } |
375 | |
696 | |
376 | static int poll_cb () |
697 | static int poll_cb (void) |
377 | { |
698 | { |
378 | dSP; |
|
|
379 | int count = 0; |
|
|
380 | int do_croak = 0; |
|
|
381 | aio_req req; |
|
|
382 | |
|
|
383 | for (;;) |
699 | for (;;) |
384 | { |
700 | { |
385 | pthread_mutex_lock (&reslock); |
701 | int res = eio_poll (); |
386 | req = ress; |
|
|
387 | |
702 | |
388 | if (req) |
703 | if (res > 0) |
389 | { |
|
|
390 | ress = req->next; |
|
|
391 | |
|
|
392 | if (!ress) |
|
|
393 | { |
|
|
394 | /* read any signals sent by the worker threads */ |
|
|
395 | char buf [32]; |
|
|
396 | while (read (respipe [0], buf, 32) == 32) |
|
|
397 | ; |
|
|
398 | |
|
|
399 | rese = 0; |
|
|
400 | } |
|
|
401 | } |
|
|
402 | |
|
|
403 | pthread_mutex_unlock (&reslock); |
|
|
404 | |
|
|
405 | if (!req) |
|
|
406 | break; |
704 | croak (0); |
407 | |
705 | |
408 | --nreqs; |
706 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
707 | return res; |
409 | |
708 | |
410 | if (req->type == REQ_QUIT) |
709 | poll_wait (); |
411 | started--; |
|
|
412 | else if (req->type == REQ_GROUP && req->length) |
|
|
413 | { |
|
|
414 | req->fd = 1; /* mark request as delayed */ |
|
|
415 | continue; |
|
|
416 | } |
|
|
417 | else |
|
|
418 | { |
|
|
419 | if (req->type == REQ_READ) |
|
|
420 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
421 | |
|
|
422 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
423 | SvREADONLY_off (req->data); |
|
|
424 | |
|
|
425 | if (req->statdata) |
|
|
426 | { |
|
|
427 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
428 | PL_laststatval = req->result; |
|
|
429 | PL_statcache = *(req->statdata); |
|
|
430 | } |
|
|
431 | |
|
|
432 | req_invoke (req); |
|
|
433 | |
|
|
434 | count++; |
|
|
435 | } |
|
|
436 | |
|
|
437 | req_free (req); |
|
|
438 | } |
710 | } |
439 | |
|
|
440 | return count; |
|
|
441 | } |
711 | } |
442 | |
712 | |
443 | static void *aio_proc(void *arg); |
|
|
444 | |
|
|
445 | static void start_thread (void) |
713 | static void atfork_child (void) |
446 | { |
714 | { |
447 | sigset_t fullsigset, oldsigset; |
715 | create_respipe (); |
448 | pthread_t tid; |
|
|
449 | pthread_attr_t attr; |
|
|
450 | |
|
|
451 | pthread_attr_init (&attr); |
|
|
452 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
453 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
454 | |
|
|
455 | sigfillset (&fullsigset); |
|
|
456 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
457 | |
|
|
458 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
|
|
459 | started++; |
|
|
460 | |
|
|
461 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
462 | } |
|
|
463 | |
|
|
464 | static void req_send (aio_req req) |
|
|
465 | { |
|
|
466 | while (started < wanted && nreqs >= started) |
|
|
467 | start_thread (); |
|
|
468 | |
|
|
469 | ++nreqs; |
|
|
470 | |
|
|
471 | pthread_mutex_lock (&reqlock); |
|
|
472 | |
|
|
473 | req->next = 0; |
|
|
474 | |
|
|
475 | if (reqe) |
|
|
476 | { |
|
|
477 | reqe->next = req; |
|
|
478 | reqe = req; |
|
|
479 | } |
|
|
480 | else |
|
|
481 | reqe = reqs = req; |
|
|
482 | |
|
|
483 | pthread_cond_signal (&reqwait); |
|
|
484 | pthread_mutex_unlock (&reqlock); |
|
|
485 | |
|
|
486 | if (nreqs > max_outstanding) |
|
|
487 | for (;;) |
|
|
488 | { |
|
|
489 | poll_cb (); |
|
|
490 | |
|
|
491 | if (nreqs <= max_outstanding) |
|
|
492 | break; |
|
|
493 | |
|
|
494 | poll_wait (); |
|
|
495 | } |
|
|
496 | } |
|
|
497 | |
|
|
498 | static void end_thread (void) |
|
|
499 | { |
|
|
500 | aio_req req; |
|
|
501 | Newz (0, req, 1, aio_cb); |
|
|
502 | req->type = REQ_QUIT; |
|
|
503 | |
|
|
504 | req_send (req); |
|
|
505 | } |
|
|
506 | |
|
|
507 | static void min_parallel (int nthreads) |
|
|
508 | { |
|
|
509 | if (wanted < nthreads) |
|
|
510 | wanted = nthreads; |
|
|
511 | } |
|
|
512 | |
|
|
513 | static void max_parallel (int nthreads) |
|
|
514 | { |
|
|
515 | int cur = started; |
|
|
516 | |
|
|
517 | if (wanted > nthreads) |
|
|
518 | wanted = nthreads; |
|
|
519 | |
|
|
520 | while (cur > wanted) |
|
|
521 | { |
|
|
522 | end_thread (); |
|
|
523 | cur--; |
|
|
524 | } |
|
|
525 | |
|
|
526 | while (started > wanted) |
|
|
527 | { |
|
|
528 | poll_wait (); |
|
|
529 | poll_cb (); |
|
|
530 | } |
|
|
531 | } |
|
|
532 | |
|
|
533 | static void create_pipe () |
|
|
534 | { |
|
|
535 | if (pipe (respipe)) |
|
|
536 | croak ("unable to initialize result pipe"); |
|
|
537 | |
|
|
538 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
539 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
540 | |
|
|
541 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
542 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
543 | } |
716 | } |
544 | |
717 | |
545 | /*****************************************************************************/ |
718 | /*****************************************************************************/ |
546 | /* work around various missing functions */ |
|
|
547 | |
719 | |
548 | #if !HAVE_PREADWRITE |
720 | #if !_POSIX_MAPPED_FILES |
549 | # define pread aio_pread |
721 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
550 | # define pwrite aio_pwrite |
722 | # define munmap(addr,length) (errno = ENOSYS, -1) |
551 | |
|
|
552 | /* |
|
|
553 | * make our pread/pwrite safe against themselves, but not against |
|
|
554 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
555 | * but that's your problem, not mine. |
|
|
556 | */ |
|
|
557 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
|
|
558 | |
|
|
559 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
560 | { |
|
|
561 | ssize_t res; |
|
|
562 | off_t ooffset; |
|
|
563 | |
|
|
564 | pthread_mutex_lock (&preadwritelock); |
|
|
565 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
566 | lseek (fd, offset, SEEK_SET); |
|
|
567 | res = read (fd, buf, count); |
|
|
568 | lseek (fd, ooffset, SEEK_SET); |
|
|
569 | pthread_mutex_unlock (&preadwritelock); |
|
|
570 | |
|
|
571 | return res; |
|
|
572 | } |
|
|
573 | |
|
|
574 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
575 | { |
|
|
576 | ssize_t res; |
|
|
577 | off_t ooffset; |
|
|
578 | |
|
|
579 | pthread_mutex_lock (&preadwritelock); |
|
|
580 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
581 | lseek (fd, offset, SEEK_SET); |
|
|
582 | res = write (fd, buf, count); |
|
|
583 | lseek (fd, offset, SEEK_SET); |
|
|
584 | pthread_mutex_unlock (&preadwritelock); |
|
|
585 | |
|
|
586 | return res; |
|
|
587 | } |
|
|
588 | #endif |
|
|
589 | |
|
|
590 | #if !HAVE_FDATASYNC |
|
|
591 | # define fdatasync fsync |
|
|
592 | #endif |
|
|
593 | |
|
|
594 | #if !HAVE_READAHEAD |
|
|
595 | # define readahead aio_readahead |
|
|
596 | |
|
|
597 | static ssize_t readahead (int fd, off_t offset, size_t count) |
|
|
598 | { |
|
|
599 | char readahead_buf[4096]; |
|
|
600 | |
|
|
601 | while (count > 0) |
|
|
602 | { |
|
|
603 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
|
|
604 | |
|
|
605 | pread (fd, readahead_buf, len, offset); |
|
|
606 | offset += len; |
|
|
607 | count -= len; |
|
|
608 | } |
|
|
609 | |
|
|
610 | errno = 0; |
|
|
611 | } |
|
|
612 | #endif |
|
|
613 | |
|
|
614 | #if !HAVE_READDIR_R |
|
|
615 | # define readdir_r aio_readdir_r |
|
|
616 | |
|
|
617 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
618 | |
|
|
619 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
620 | { |
|
|
621 | struct dirent *e; |
|
|
622 | int errorno; |
|
|
623 | |
|
|
624 | pthread_mutex_lock (&readdirlock); |
|
|
625 | |
|
|
626 | e = readdir (dirp); |
|
|
627 | errorno = errno; |
|
|
628 | |
|
|
629 | if (e) |
|
|
630 | { |
|
|
631 | *res = ent; |
|
|
632 | strcpy (ent->d_name, e->d_name); |
|
|
633 | } |
|
|
634 | else |
|
|
635 | *res = 0; |
|
|
636 | |
|
|
637 | pthread_mutex_unlock (&readdirlock); |
|
|
638 | |
|
|
639 | errno = errorno; |
|
|
640 | return e ? 0 : -1; |
|
|
641 | } |
|
|
642 | #endif |
|
|
643 | |
|
|
644 | /* sendfile always needs emulation */ |
|
|
645 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
|
|
646 | { |
|
|
647 | ssize_t res; |
|
|
648 | |
|
|
649 | if (!count) |
|
|
650 | return 0; |
|
|
651 | |
|
|
652 | #if HAVE_SENDFILE |
|
|
653 | # if __linux |
|
|
654 | res = sendfile (ofd, ifd, &offset, count); |
|
|
655 | |
|
|
656 | # elif __freebsd |
|
|
657 | /* |
|
|
658 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
659 | * wasted on making it similar to other I/O functions. |
|
|
660 | */ |
|
|
661 | { |
|
|
662 | off_t sbytes; |
|
|
663 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
664 | |
|
|
665 | if (res < 0 && sbytes) |
|
|
666 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
|
|
667 | res = sbytes; |
|
|
668 | } |
|
|
669 | |
|
|
670 | # elif __hpux |
|
|
671 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
672 | |
|
|
673 | # elif __solaris |
|
|
674 | { |
|
|
675 | struct sendfilevec vec; |
|
|
676 | size_t sbytes; |
|
|
677 | |
|
|
678 | vec.sfv_fd = ifd; |
|
|
679 | vec.sfv_flag = 0; |
|
|
680 | vec.sfv_off = offset; |
|
|
681 | vec.sfv_len = count; |
|
|
682 | |
|
|
683 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
684 | |
|
|
685 | if (res < 0 && sbytes) |
|
|
686 | res = sbytes; |
|
|
687 | } |
|
|
688 | |
|
|
689 | # endif |
723 | #endif |
690 | #else |
|
|
691 | res = -1; |
|
|
692 | errno = ENOSYS; |
|
|
693 | #endif |
|
|
694 | |
724 | |
695 | if (res < 0 |
725 | #if !_POSIX_MEMORY_PROTECTION |
696 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
726 | # define mprotect(addr,len,prot) (errno = ENOSYS, -1) |
697 | #if __solaris |
727 | # define PROT_NONE 0 |
698 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
728 | # define PROT_WRITE 0 |
|
|
729 | # define MAP_PRIVATE 0 |
|
|
730 | # define MAP_SHARED 0 |
|
|
731 | # define MAP_FIXED 0 |
699 | #endif |
732 | #endif |
700 | ) |
|
|
701 | ) |
|
|
702 | { |
|
|
703 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
704 | char buf[4096]; |
|
|
705 | res = 0; |
|
|
706 | |
733 | |
707 | while (count) |
734 | #define MMAP_MAGIC PERL_MAGIC_ext |
708 | { |
|
|
709 | ssize_t cnt; |
|
|
710 | |
|
|
711 | cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset); |
|
|
712 | |
735 | |
713 | if (cnt <= 0) |
736 | static int |
714 | { |
737 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
715 | if (cnt && !res) res = -1; |
|
|
716 | break; |
|
|
717 | } |
|
|
718 | |
|
|
719 | cnt = write (ofd, buf, cnt); |
|
|
720 | |
|
|
721 | if (cnt <= 0) |
|
|
722 | { |
|
|
723 | if (cnt && !res) res = -1; |
|
|
724 | break; |
|
|
725 | } |
|
|
726 | |
|
|
727 | offset += cnt; |
|
|
728 | res += cnt; |
|
|
729 | count -= cnt; |
|
|
730 | } |
|
|
731 | } |
|
|
732 | |
|
|
733 | return res; |
|
|
734 | } |
|
|
735 | |
|
|
736 | /* read a full directory */ |
|
|
737 | static int scandir_ (const char *path, void **namesp) |
|
|
738 | { |
738 | { |
739 | DIR *dirp = opendir (path); |
739 | int old_errno = errno; |
740 | union |
740 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
741 | { |
|
|
742 | struct dirent d; |
|
|
743 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
744 | } u; |
|
|
745 | struct dirent *entp; |
|
|
746 | char *name, *names; |
|
|
747 | int memlen = 4096; |
|
|
748 | int memofs = 0; |
|
|
749 | int res = 0; |
|
|
750 | int errorno; |
|
|
751 | |
|
|
752 | if (!dirp) |
|
|
753 | return -1; |
|
|
754 | |
|
|
755 | names = malloc (memlen); |
|
|
756 | |
|
|
757 | for (;;) |
|
|
758 | { |
|
|
759 | errno = 0, readdir_r (dirp, &u.d, &entp); |
|
|
760 | |
|
|
761 | if (!entp) |
|
|
762 | break; |
|
|
763 | |
|
|
764 | name = entp->d_name; |
|
|
765 | |
|
|
766 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
767 | { |
|
|
768 | int len = strlen (name) + 1; |
|
|
769 | |
|
|
770 | res++; |
|
|
771 | |
|
|
772 | while (memofs + len > memlen) |
|
|
773 | { |
|
|
774 | memlen *= 2; |
|
|
775 | names = realloc (names, memlen); |
|
|
776 | if (!names) |
|
|
777 | break; |
|
|
778 | } |
|
|
779 | |
|
|
780 | memcpy (names + memofs, name, len); |
|
|
781 | memofs += len; |
|
|
782 | } |
|
|
783 | } |
|
|
784 | |
|
|
785 | errorno = errno; |
741 | errno = old_errno; |
786 | closedir (dirp); |
|
|
787 | |
742 | |
788 | if (errorno) |
743 | mg->mg_obj = 0; /* just in case */ |
789 | { |
|
|
790 | free (names); |
|
|
791 | errno = errorno; |
|
|
792 | res = -1; |
|
|
793 | } |
|
|
794 | |
744 | |
795 | *namesp = (void *)names; |
745 | SvREADONLY_off (sv); |
|
|
746 | |
|
|
747 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
748 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
749 | |
|
|
750 | SvCUR_set (sv, 0); |
|
|
751 | SvPVX (sv) = 0; |
|
|
752 | SvOK_off (sv); |
|
|
753 | |
796 | return res; |
754 | return 0; |
797 | } |
755 | } |
|
|
756 | |
|
|
757 | static MGVTBL mmap_vtbl = { |
|
|
758 | 0, 0, 0, 0, mmap_free |
|
|
759 | }; |
798 | |
760 | |
799 | /*****************************************************************************/ |
761 | /*****************************************************************************/ |
800 | |
762 | |
801 | static void *aio_proc (void *thr_arg) |
763 | static SV * |
|
|
764 | get_cb (SV *cb_sv) |
802 | { |
765 | { |
803 | aio_req req; |
766 | SvGETMAGIC (cb_sv); |
804 | int type; |
767 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
805 | |
|
|
806 | do |
|
|
807 | { |
|
|
808 | pthread_mutex_lock (&reqlock); |
|
|
809 | |
|
|
810 | for (;;) |
|
|
811 | { |
|
|
812 | req = reqs; |
|
|
813 | |
|
|
814 | if (reqs) |
|
|
815 | { |
|
|
816 | reqs = reqs->next; |
|
|
817 | if (!reqs) reqe = 0; |
|
|
818 | } |
|
|
819 | |
|
|
820 | if (req) |
|
|
821 | break; |
|
|
822 | |
|
|
823 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
824 | } |
|
|
825 | |
|
|
826 | pthread_mutex_unlock (&reqlock); |
|
|
827 | |
|
|
828 | errno = 0; /* strictly unnecessary */ |
|
|
829 | type = req->type; /* remember type for QUIT check */ |
|
|
830 | |
|
|
831 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
832 | switch (type) |
|
|
833 | { |
|
|
834 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
835 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
836 | |
|
|
837 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
838 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
|
|
839 | |
|
|
840 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
841 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
842 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
843 | |
|
|
844 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
845 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
846 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
847 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
848 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
|
|
849 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
|
|
850 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
851 | |
|
|
852 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
853 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
854 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
|
|
855 | |
|
|
856 | case REQ_SLEEP: |
|
|
857 | { |
|
|
858 | struct timeval tv; |
|
|
859 | |
|
|
860 | tv.tv_sec = req->fd; |
|
|
861 | tv.tv_usec = req->fd2; |
|
|
862 | |
|
|
863 | req->result = select (0, 0, 0, 0, &tv); |
|
|
864 | } |
|
|
865 | |
|
|
866 | case REQ_GROUP: |
|
|
867 | case REQ_NOP: |
|
|
868 | case REQ_QUIT: |
|
|
869 | break; |
|
|
870 | |
|
|
871 | default: |
|
|
872 | req->result = ENOSYS; |
|
|
873 | break; |
|
|
874 | } |
|
|
875 | |
|
|
876 | req->errorno = errno; |
|
|
877 | |
|
|
878 | pthread_mutex_lock (&reslock); |
|
|
879 | |
|
|
880 | req->next = 0; |
|
|
881 | |
|
|
882 | if (rese) |
|
|
883 | { |
|
|
884 | rese->next = req; |
|
|
885 | rese = req; |
|
|
886 | } |
|
|
887 | else |
|
|
888 | { |
|
|
889 | rese = ress = req; |
|
|
890 | |
|
|
891 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
892 | write (respipe [1], &respipe, 1); |
|
|
893 | } |
|
|
894 | |
|
|
895 | pthread_mutex_unlock (&reslock); |
|
|
896 | } |
|
|
897 | while (type != REQ_QUIT); |
|
|
898 | |
|
|
899 | return 0; |
|
|
900 | } |
|
|
901 | |
|
|
902 | /*****************************************************************************/ |
|
|
903 | |
|
|
904 | static void atfork_prepare (void) |
|
|
905 | { |
|
|
906 | pthread_mutex_lock (&reqlock); |
|
|
907 | pthread_mutex_lock (&reslock); |
|
|
908 | #if !HAVE_PREADWRITE |
|
|
909 | pthread_mutex_lock (&preadwritelock); |
|
|
910 | #endif |
|
|
911 | #if !HAVE_READDIR_R |
|
|
912 | pthread_mutex_lock (&readdirlock); |
|
|
913 | #endif |
|
|
914 | } |
|
|
915 | |
|
|
916 | static void atfork_parent (void) |
|
|
917 | { |
|
|
918 | #if !HAVE_READDIR_R |
|
|
919 | pthread_mutex_unlock (&readdirlock); |
|
|
920 | #endif |
|
|
921 | #if !HAVE_PREADWRITE |
|
|
922 | pthread_mutex_unlock (&preadwritelock); |
|
|
923 | #endif |
|
|
924 | pthread_mutex_unlock (&reslock); |
|
|
925 | pthread_mutex_unlock (&reqlock); |
|
|
926 | } |
|
|
927 | |
|
|
928 | static void atfork_child (void) |
|
|
929 | { |
|
|
930 | aio_req prv; |
|
|
931 | |
|
|
932 | started = 0; |
|
|
933 | |
|
|
934 | while (reqs) |
|
|
935 | { |
|
|
936 | prv = reqs; |
|
|
937 | reqs = prv->next; |
|
|
938 | req_free (prv); |
|
|
939 | } |
|
|
940 | |
|
|
941 | reqs = reqe = 0; |
|
|
942 | |
|
|
943 | while (ress) |
|
|
944 | { |
|
|
945 | prv = ress; |
|
|
946 | ress = prv->next; |
|
|
947 | req_free (prv); |
|
|
948 | } |
|
|
949 | |
|
|
950 | ress = rese = 0; |
|
|
951 | |
|
|
952 | close (respipe [0]); |
|
|
953 | close (respipe [1]); |
|
|
954 | create_pipe (); |
|
|
955 | |
|
|
956 | atfork_parent (); |
|
|
957 | } |
768 | } |
958 | |
769 | |
959 | #define dREQ \ |
770 | #define dREQ \ |
|
|
771 | SV *cb_cv; \ |
960 | aio_req req; \ |
772 | aio_req req; \ |
961 | int req_pri = next_pri; \ |
773 | int req_pri = next_pri; \ |
962 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
774 | next_pri = EIO_PRI_DEFAULT; \ |
963 | \ |
775 | \ |
964 | if (SvOK (callback) && !SvROK (callback)) \ |
776 | cb_cv = get_cb (callback); \ |
965 | croak ("callback must be undef or of reference type"); \ |
|
|
966 | \ |
777 | \ |
967 | Newz (0, req, 1, aio_cb); \ |
778 | Newz (0, req, 1, eio_req); \ |
968 | if (!req) \ |
779 | if (!req) \ |
969 | croak ("out of memory during aio_req allocation"); \ |
780 | croak ("out of memory during eio_req allocation"); \ |
970 | \ |
781 | \ |
971 | req->callback = newSVsv (callback); \ |
782 | req->callback = SvREFCNT_inc (cb_cv); \ |
972 | req->pri = req_pri |
783 | req->pri = req_pri |
973 | |
784 | |
974 | #define REQ_SEND \ |
785 | #define REQ_SEND \ |
|
|
786 | PUTBACK; \ |
975 | req_send (req); \ |
787 | req_submit (req); \ |
|
|
788 | SPAGAIN; \ |
976 | \ |
789 | \ |
977 | if (GIMME_V != G_VOID) \ |
790 | if (GIMME_V != G_VOID) \ |
978 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
791 | XPUSHs (req_sv (req, aio_req_stash)); |
979 | |
792 | |
980 | MODULE = IO::AIO PACKAGE = IO::AIO |
793 | MODULE = IO::AIO PACKAGE = IO::AIO |
981 | |
794 | |
982 | PROTOTYPES: ENABLE |
795 | PROTOTYPES: ENABLE |
983 | |
796 | |
984 | BOOT: |
797 | BOOT: |
985 | { |
798 | { |
|
|
799 | static const struct { |
|
|
800 | const char *name; |
|
|
801 | IV iv; |
|
|
802 | } *civ, const_iv[] = { |
|
|
803 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
804 | # define const_iv(name) { # name, (IV) name }, |
|
|
805 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
|
|
806 | const_iv (EXDEV) |
|
|
807 | const_iv (ENOSYS) |
|
|
808 | const_iv (O_RDONLY) |
|
|
809 | const_iv (O_WRONLY) |
|
|
810 | const_iv (O_RDWR) |
|
|
811 | const_iv (O_CREAT) |
|
|
812 | const_iv (O_TRUNC) |
|
|
813 | const_iv (O_EXCL) |
|
|
814 | const_iv (O_APPEND) |
|
|
815 | |
|
|
816 | const_iv (O_ASYNC) |
|
|
817 | const_iv (O_DIRECT) |
|
|
818 | const_iv (O_NOATIME) |
|
|
819 | |
|
|
820 | const_iv (O_CLOEXEC) |
|
|
821 | const_iv (O_NOCTTY) |
|
|
822 | const_iv (O_NOFOLLOW) |
|
|
823 | const_iv (O_NONBLOCK) |
|
|
824 | const_iv (O_EXEC) |
|
|
825 | const_iv (O_SEARCH) |
|
|
826 | const_iv (O_DIRECTORY) |
|
|
827 | const_iv (O_DSYNC) |
|
|
828 | const_iv (O_RSYNC) |
|
|
829 | const_iv (O_SYNC) |
|
|
830 | const_iv (O_TTY_INIT) |
|
|
831 | |
|
|
832 | const_iv (S_IFIFO) |
|
|
833 | const_iv (S_IFCHR) |
|
|
834 | const_iv (S_IFBLK) |
|
|
835 | const_iv (S_IFLNK) |
|
|
836 | const_iv (S_IFREG) |
|
|
837 | const_iv (S_IFDIR) |
|
|
838 | const_iv (S_IFWHT) |
|
|
839 | const_iv (S_IFSOCK) |
|
|
840 | const_iv (S_IFMT) |
|
|
841 | |
|
|
842 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
843 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
844 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
845 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
846 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
847 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
848 | |
|
|
849 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
850 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
851 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
852 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
853 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
854 | |
|
|
855 | const_iv (ST_RDONLY) |
|
|
856 | const_iv (ST_NOSUID) |
|
|
857 | const_iv (ST_NODEV) |
|
|
858 | const_iv (ST_NOEXEC) |
|
|
859 | const_iv (ST_SYNCHRONOUS) |
|
|
860 | const_iv (ST_MANDLOCK) |
|
|
861 | const_iv (ST_WRITE) |
|
|
862 | const_iv (ST_APPEND) |
|
|
863 | const_iv (ST_IMMUTABLE) |
|
|
864 | const_iv (ST_NOATIME) |
|
|
865 | const_iv (ST_NODIRATIME) |
|
|
866 | const_iv (ST_RELATIME) |
|
|
867 | |
|
|
868 | const_iv (PROT_NONE) |
|
|
869 | const_iv (PROT_EXEC) |
|
|
870 | const_iv (PROT_READ) |
|
|
871 | const_iv (PROT_WRITE) |
|
|
872 | |
|
|
873 | /*const_iv (MAP_FIXED)*/ |
|
|
874 | const_iv (MAP_PRIVATE) |
|
|
875 | const_iv (MAP_SHARED) |
|
|
876 | const_iv (MAP_ANONYMOUS) |
|
|
877 | |
|
|
878 | /* linuxish */ |
|
|
879 | const_iv (MAP_HUGETLB) |
|
|
880 | const_iv (MAP_LOCKED) |
|
|
881 | const_iv (MAP_NORESERVE) |
|
|
882 | const_iv (MAP_POPULATE) |
|
|
883 | const_iv (MAP_NONBLOCK) |
|
|
884 | |
|
|
885 | const_eio (MCL_FUTURE) |
|
|
886 | const_eio (MCL_CURRENT) |
|
|
887 | |
|
|
888 | const_eio (MS_ASYNC) |
|
|
889 | const_eio (MS_INVALIDATE) |
|
|
890 | const_eio (MS_SYNC) |
|
|
891 | |
|
|
892 | const_eio (MT_MODIFY) |
|
|
893 | |
|
|
894 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
895 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
896 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
897 | |
|
|
898 | const_eio (READDIR_DENTS) |
|
|
899 | const_eio (READDIR_DIRS_FIRST) |
|
|
900 | const_eio (READDIR_STAT_ORDER) |
|
|
901 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
902 | |
|
|
903 | const_eio (DT_UNKNOWN) |
|
|
904 | const_eio (DT_FIFO) |
|
|
905 | const_eio (DT_CHR) |
|
|
906 | const_eio (DT_DIR) |
|
|
907 | const_eio (DT_BLK) |
|
|
908 | const_eio (DT_REG) |
|
|
909 | const_eio (DT_LNK) |
|
|
910 | const_eio (DT_SOCK) |
|
|
911 | const_eio (DT_WHT) |
|
|
912 | }; |
|
|
913 | |
986 | HV *stash = gv_stashpv ("IO::AIO", 1); |
914 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
987 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
915 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
988 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
916 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
989 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
990 | |
917 | |
|
|
918 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
|
|
919 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
|
|
920 | |
|
|
921 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
|
|
922 | |
991 | create_pipe (); |
923 | create_respipe (); |
992 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
|
|
993 | } |
|
|
994 | |
924 | |
|
|
925 | if (eio_init (want_poll, done_poll) < 0) |
|
|
926 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
927 | |
|
|
928 | /* atfork child called in fifo order, so before eio's handler */ |
|
|
929 | X_THREAD_ATFORK (0, 0, atfork_child); |
|
|
930 | } |
|
|
931 | |
995 | void |
932 | void |
996 | min_parallel (nthreads) |
933 | max_poll_reqs (unsigned int nreqs) |
997 | int nthreads |
|
|
998 | PROTOTYPE: $ |
934 | PROTOTYPE: $ |
|
|
935 | CODE: |
|
|
936 | eio_set_max_poll_reqs (nreqs); |
999 | |
937 | |
1000 | void |
938 | void |
1001 | max_parallel (nthreads) |
939 | max_poll_time (double nseconds) |
1002 | int nthreads |
|
|
1003 | PROTOTYPE: $ |
940 | PROTOTYPE: $ |
1004 | |
|
|
1005 | int |
|
|
1006 | max_outstanding (nreqs) |
|
|
1007 | int nreqs |
|
|
1008 | PROTOTYPE: $ |
|
|
1009 | CODE: |
941 | CODE: |
1010 | RETVAL = max_outstanding; |
942 | eio_set_max_poll_time (nseconds); |
|
|
943 | |
|
|
944 | void |
|
|
945 | min_parallel (unsigned int nthreads) |
|
|
946 | PROTOTYPE: $ |
|
|
947 | CODE: |
|
|
948 | eio_set_min_parallel (nthreads); |
|
|
949 | |
|
|
950 | void |
|
|
951 | max_parallel (unsigned int nthreads) |
|
|
952 | PROTOTYPE: $ |
|
|
953 | CODE: |
|
|
954 | eio_set_max_parallel (nthreads); |
|
|
955 | |
|
|
956 | void |
|
|
957 | max_idle (unsigned int nthreads) |
|
|
958 | PROTOTYPE: $ |
|
|
959 | CODE: |
|
|
960 | eio_set_max_idle (nthreads); |
|
|
961 | |
|
|
962 | void |
|
|
963 | idle_timeout (unsigned int seconds) |
|
|
964 | PROTOTYPE: $ |
|
|
965 | CODE: |
|
|
966 | eio_set_idle_timeout (seconds); |
|
|
967 | |
|
|
968 | void |
|
|
969 | max_outstanding (unsigned int maxreqs) |
|
|
970 | PROTOTYPE: $ |
|
|
971 | CODE: |
1011 | max_outstanding = nreqs; |
972 | max_outstanding = maxreqs; |
1012 | |
973 | |
1013 | void |
974 | void |
1014 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
975 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1015 | SV * pathname |
|
|
1016 | int flags |
|
|
1017 | int mode |
|
|
1018 | SV * callback |
|
|
1019 | PROTOTYPE: $$$;$ |
|
|
1020 | PPCODE: |
976 | PPCODE: |
1021 | { |
977 | { |
1022 | dREQ; |
978 | dREQ; |
1023 | |
979 | |
1024 | req->type = REQ_OPEN; |
980 | req->type = EIO_OPEN; |
1025 | req->data = newSVsv (pathname); |
981 | req->sv1 = newSVsv (pathname); |
1026 | req->dataptr = SvPVbyte_nolen (req->data); |
982 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1027 | req->fd = flags; |
983 | req->int1 = flags; |
1028 | req->mode = mode; |
984 | req->int2 = mode; |
1029 | |
985 | |
1030 | REQ_SEND; |
986 | REQ_SEND; |
1031 | } |
987 | } |
1032 | |
988 | |
1033 | void |
989 | void |
1034 | aio_close (fh,callback=&PL_sv_undef) |
990 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1035 | SV * fh |
|
|
1036 | SV * callback |
|
|
1037 | PROTOTYPE: $;$ |
|
|
1038 | ALIAS: |
991 | ALIAS: |
1039 | aio_close = REQ_CLOSE |
|
|
1040 | aio_fsync = REQ_FSYNC |
992 | aio_fsync = EIO_FSYNC |
1041 | aio_fdatasync = REQ_FDATASYNC |
993 | aio_fdatasync = EIO_FDATASYNC |
1042 | PPCODE: |
994 | PPCODE: |
1043 | { |
995 | { |
|
|
996 | int fd = s_fileno_croak (fh, 0); |
1044 | dREQ; |
997 | dREQ; |
1045 | |
998 | |
1046 | req->type = ix; |
999 | req->type = ix; |
1047 | req->fh = newSVsv (fh); |
1000 | req->sv1 = newSVsv (fh); |
1048 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1001 | req->int1 = fd; |
1049 | |
1002 | |
1050 | REQ_SEND (req); |
1003 | REQ_SEND (req); |
1051 | } |
1004 | } |
1052 | |
1005 | |
1053 | void |
1006 | void |
|
|
1007 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
|
|
1008 | PPCODE: |
|
|
1009 | { |
|
|
1010 | int fd = s_fileno_croak (fh, 0); |
|
|
1011 | dREQ; |
|
|
1012 | |
|
|
1013 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
1014 | req->sv1 = newSVsv (fh); |
|
|
1015 | req->int1 = fd; |
|
|
1016 | req->offs = offset; |
|
|
1017 | req->size = nbytes; |
|
|
1018 | req->int2 = flags; |
|
|
1019 | |
|
|
1020 | REQ_SEND (req); |
|
|
1021 | } |
|
|
1022 | |
|
|
1023 | void |
|
|
1024 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
1025 | PPCODE: |
|
|
1026 | { |
|
|
1027 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
1028 | int fd = s_fileno_croak (fh, 0); |
|
|
1029 | dREQ; |
|
|
1030 | |
|
|
1031 | if (close_pipe < 0) |
|
|
1032 | { |
|
|
1033 | int pipefd [2]; |
|
|
1034 | |
|
|
1035 | if (pipe (pipefd) < 0 |
|
|
1036 | || close (pipefd [1]) < 0 |
|
|
1037 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
|
|
1038 | abort (); /*D*/ |
|
|
1039 | |
|
|
1040 | close_pipe = pipefd [0]; |
|
|
1041 | } |
|
|
1042 | |
|
|
1043 | req->type = EIO_DUP2; |
|
|
1044 | req->int1 = close_pipe; |
|
|
1045 | req->sv2 = newSVsv (fh); |
|
|
1046 | req->int2 = fd; |
|
|
1047 | |
|
|
1048 | REQ_SEND (req); |
|
|
1049 | } |
|
|
1050 | |
|
|
1051 | void |
1054 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1052 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1055 | SV * fh |
|
|
1056 | UV offset |
|
|
1057 | UV length |
|
|
1058 | SV * data |
|
|
1059 | UV dataoffset |
|
|
1060 | SV * callback |
|
|
1061 | ALIAS: |
1053 | ALIAS: |
1062 | aio_read = REQ_READ |
1054 | aio_read = EIO_READ |
1063 | aio_write = REQ_WRITE |
1055 | aio_write = EIO_WRITE |
1064 | PROTOTYPE: $$$$$;$ |
|
|
1065 | PPCODE: |
1056 | PPCODE: |
1066 | { |
1057 | { |
1067 | aio_req req; |
|
|
1068 | STRLEN svlen; |
1058 | STRLEN svlen; |
|
|
1059 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1069 | char *svptr = SvPVbyte (data, svlen); |
1060 | char *svptr = SvPVbyte (data, svlen); |
1070 | |
1061 | UV len = SvUV (length); |
1071 | SvUPGRADE (data, SVt_PV); |
|
|
1072 | SvPOK_on (data); |
|
|
1073 | |
1062 | |
1074 | if (dataoffset < 0) |
1063 | if (dataoffset < 0) |
1075 | dataoffset += svlen; |
1064 | dataoffset += svlen; |
1076 | |
1065 | |
1077 | if (dataoffset < 0 || dataoffset > svlen) |
1066 | if (dataoffset < 0 || dataoffset > svlen) |
1078 | croak ("data offset outside of string"); |
1067 | croak ("dataoffset outside of data scalar"); |
1079 | |
1068 | |
1080 | if (ix == REQ_WRITE) |
1069 | if (ix == EIO_WRITE) |
1081 | { |
1070 | { |
1082 | /* write: check length and adjust. */ |
1071 | /* write: check length and adjust. */ |
1083 | if (length < 0 || length + dataoffset > svlen) |
1072 | if (!SvOK (length) || len + dataoffset > svlen) |
1084 | length = svlen - dataoffset; |
1073 | len = svlen - dataoffset; |
1085 | } |
1074 | } |
1086 | else |
1075 | else |
1087 | { |
1076 | { |
1088 | /* read: grow scalar as necessary */ |
1077 | /* read: check type and grow scalar as necessary */ |
|
|
1078 | SvUPGRADE (data, SVt_PV); |
1089 | svptr = SvGROW (data, length + dataoffset); |
1079 | svptr = SvGROW (data, len + dataoffset + 1); |
1090 | } |
1080 | } |
1091 | |
|
|
1092 | if (length < 0) |
|
|
1093 | croak ("length must not be negative"); |
|
|
1094 | |
1081 | |
1095 | { |
1082 | { |
1096 | dREQ; |
1083 | dREQ; |
1097 | |
1084 | |
1098 | req->type = ix; |
1085 | req->type = ix; |
1099 | req->fh = newSVsv (fh); |
1086 | req->sv1 = newSVsv (fh); |
1100 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1087 | req->int1 = fd; |
1101 | : IoOFP (sv_2io (fh))); |
1088 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1102 | req->offset = offset; |
1089 | req->size = len; |
1103 | req->length = length; |
|
|
1104 | req->data = SvREFCNT_inc (data); |
1090 | req->sv2 = SvREFCNT_inc (data); |
1105 | req->dataptr = (char *)svptr + dataoffset; |
1091 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
1092 | req->stroffset = dataoffset; |
1106 | |
1093 | |
1107 | if (!SvREADONLY (data)) |
1094 | if (!SvREADONLY (data)) |
1108 | { |
1095 | { |
1109 | SvREADONLY_on (data); |
1096 | SvREADONLY_on (data); |
1110 | req->data2ptr = (void *)data; |
1097 | req->flags |= FLAG_SV2_RO_OFF; |
1111 | } |
1098 | } |
1112 | |
1099 | |
1113 | REQ_SEND; |
1100 | REQ_SEND; |
1114 | } |
1101 | } |
1115 | } |
1102 | } |
1116 | |
1103 | |
1117 | void |
1104 | void |
1118 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1105 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
1119 | SV * out_fh |
|
|
1120 | SV * in_fh |
|
|
1121 | UV in_offset |
|
|
1122 | UV length |
|
|
1123 | SV * callback |
|
|
1124 | PROTOTYPE: $$$$;$ |
|
|
1125 | PPCODE: |
1106 | PPCODE: |
1126 | { |
1107 | { |
|
|
1108 | SV *data; |
|
|
1109 | dREQ; |
|
|
1110 | |
|
|
1111 | req->type = EIO_READLINK; |
|
|
1112 | req->sv1 = newSVsv (path); |
|
|
1113 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1114 | |
|
|
1115 | REQ_SEND; |
|
|
1116 | } |
|
|
1117 | |
|
|
1118 | void |
|
|
1119 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
|
|
1120 | PPCODE: |
|
|
1121 | { |
|
|
1122 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
1123 | int ofd = s_fileno_croak (out_fh, 1); |
1127 | dREQ; |
1124 | dREQ; |
1128 | |
1125 | |
1129 | req->type = REQ_SENDFILE; |
1126 | req->type = EIO_SENDFILE; |
1130 | req->fh = newSVsv (out_fh); |
1127 | req->sv1 = newSVsv (out_fh); |
1131 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1128 | req->int1 = ofd; |
1132 | req->fh2 = newSVsv (in_fh); |
1129 | req->sv2 = newSVsv (in_fh); |
1133 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1130 | req->int2 = ifd; |
1134 | req->offset = in_offset; |
1131 | req->offs = in_offset; |
1135 | req->length = length; |
1132 | req->size = length; |
1136 | |
1133 | |
1137 | REQ_SEND; |
1134 | REQ_SEND; |
1138 | } |
1135 | } |
1139 | |
1136 | |
1140 | void |
1137 | void |
1141 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
1138 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1142 | SV * fh |
|
|
1143 | UV offset |
|
|
1144 | IV length |
|
|
1145 | SV * callback |
|
|
1146 | PROTOTYPE: $$$;$ |
|
|
1147 | PPCODE: |
1139 | PPCODE: |
1148 | { |
1140 | { |
|
|
1141 | int fd = s_fileno_croak (fh, 0); |
1149 | dREQ; |
1142 | dREQ; |
1150 | |
1143 | |
1151 | req->type = REQ_READAHEAD; |
1144 | req->type = EIO_READAHEAD; |
1152 | req->fh = newSVsv (fh); |
1145 | req->sv1 = newSVsv (fh); |
1153 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1146 | req->int1 = fd; |
1154 | req->offset = offset; |
1147 | req->offs = offset; |
1155 | req->length = length; |
1148 | req->size = length; |
1156 | |
1149 | |
1157 | REQ_SEND; |
1150 | REQ_SEND; |
1158 | } |
1151 | } |
1159 | |
1152 | |
1160 | void |
1153 | void |
1161 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1154 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1162 | SV * fh_or_path |
|
|
1163 | SV * callback |
|
|
1164 | ALIAS: |
1155 | ALIAS: |
1165 | aio_stat = REQ_STAT |
1156 | aio_stat = EIO_STAT |
1166 | aio_lstat = REQ_LSTAT |
1157 | aio_lstat = EIO_LSTAT |
|
|
1158 | aio_statvfs = EIO_STATVFS |
1167 | PPCODE: |
1159 | PPCODE: |
1168 | { |
1160 | { |
1169 | dREQ; |
1161 | dREQ; |
1170 | |
1162 | |
1171 | New (0, req->statdata, 1, Stat_t); |
1163 | req->sv1 = newSVsv (fh_or_path); |
1172 | if (!req->statdata) |
|
|
1173 | { |
|
|
1174 | req_free (req); |
|
|
1175 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
1176 | } |
|
|
1177 | |
1164 | |
1178 | if (SvPOK (fh_or_path)) |
1165 | if (SvPOK (req->sv1)) |
1179 | { |
1166 | { |
1180 | req->type = ix; |
1167 | req->type = ix; |
1181 | req->data = newSVsv (fh_or_path); |
|
|
1182 | req->dataptr = SvPVbyte_nolen (req->data); |
1168 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1183 | } |
1169 | } |
1184 | else |
1170 | else |
1185 | { |
1171 | { |
1186 | req->type = REQ_FSTAT; |
1172 | req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT; |
1187 | req->fh = newSVsv (fh_or_path); |
|
|
1188 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1173 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1189 | } |
1174 | } |
1190 | |
1175 | |
1191 | REQ_SEND; |
1176 | REQ_SEND; |
1192 | } |
1177 | } |
1193 | |
1178 | |
|
|
1179 | UV |
|
|
1180 | major (UV dev) |
|
|
1181 | ALIAS: |
|
|
1182 | minor = 1 |
|
|
1183 | CODE: |
|
|
1184 | RETVAL = ix ? major (dev) : minor (dev); |
|
|
1185 | OUTPUT: |
|
|
1186 | RETVAL |
|
|
1187 | |
|
|
1188 | UV |
|
|
1189 | makedev (UV maj, UV min) |
|
|
1190 | CODE: |
|
|
1191 | RETVAL = makedev (maj, min); |
|
|
1192 | OUTPUT: |
|
|
1193 | RETVAL |
|
|
1194 | |
1194 | void |
1195 | void |
|
|
1196 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
1197 | PPCODE: |
|
|
1198 | { |
|
|
1199 | dREQ; |
|
|
1200 | |
|
|
1201 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1202 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1203 | req->sv1 = newSVsv (fh_or_path); |
|
|
1204 | |
|
|
1205 | if (SvPOK (req->sv1)) |
|
|
1206 | { |
|
|
1207 | req->type = EIO_UTIME; |
|
|
1208 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1209 | } |
|
|
1210 | else |
|
|
1211 | { |
|
|
1212 | req->type = EIO_FUTIME; |
|
|
1213 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1214 | } |
|
|
1215 | |
|
|
1216 | REQ_SEND; |
|
|
1217 | } |
|
|
1218 | |
|
|
1219 | void |
|
|
1220 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
1221 | PPCODE: |
|
|
1222 | { |
|
|
1223 | dREQ; |
|
|
1224 | |
|
|
1225 | req->sv1 = newSVsv (fh_or_path); |
|
|
1226 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1227 | |
|
|
1228 | if (SvPOK (req->sv1)) |
|
|
1229 | { |
|
|
1230 | req->type = EIO_TRUNCATE; |
|
|
1231 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1232 | } |
|
|
1233 | else |
|
|
1234 | { |
|
|
1235 | req->type = EIO_FTRUNCATE; |
|
|
1236 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1237 | } |
|
|
1238 | |
|
|
1239 | REQ_SEND; |
|
|
1240 | } |
|
|
1241 | |
|
|
1242 | void |
|
|
1243 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
1244 | ALIAS: |
|
|
1245 | aio_chmod = EIO_CHMOD |
|
|
1246 | aio_mkdir = EIO_MKDIR |
|
|
1247 | PPCODE: |
|
|
1248 | { |
|
|
1249 | dREQ; |
|
|
1250 | |
|
|
1251 | req->int2 = mode; |
|
|
1252 | req->sv1 = newSVsv (fh_or_path); |
|
|
1253 | |
|
|
1254 | if (SvPOK (req->sv1)) |
|
|
1255 | { |
|
|
1256 | req->type = ix; |
|
|
1257 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1258 | } |
|
|
1259 | else |
|
|
1260 | { |
|
|
1261 | req->type = EIO_FCHMOD; |
|
|
1262 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1263 | } |
|
|
1264 | |
|
|
1265 | REQ_SEND; |
|
|
1266 | } |
|
|
1267 | |
|
|
1268 | void |
|
|
1269 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
1270 | PPCODE: |
|
|
1271 | { |
|
|
1272 | dREQ; |
|
|
1273 | |
|
|
1274 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1275 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1276 | req->sv1 = newSVsv (fh_or_path); |
|
|
1277 | |
|
|
1278 | if (SvPOK (req->sv1)) |
|
|
1279 | { |
|
|
1280 | req->type = EIO_CHOWN; |
|
|
1281 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1282 | } |
|
|
1283 | else |
|
|
1284 | { |
|
|
1285 | req->type = EIO_FCHOWN; |
|
|
1286 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1287 | } |
|
|
1288 | |
|
|
1289 | REQ_SEND; |
|
|
1290 | } |
|
|
1291 | |
|
|
1292 | void |
|
|
1293 | aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
|
|
1294 | PPCODE: |
|
|
1295 | { |
|
|
1296 | dREQ; |
|
|
1297 | |
|
|
1298 | req->type = EIO_READDIR; |
|
|
1299 | req->sv1 = newSVsv (pathname); |
|
|
1300 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1301 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1302 | |
|
|
1303 | if (flags & EIO_READDIR_DENTS) |
|
|
1304 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1305 | |
|
|
1306 | REQ_SEND; |
|
|
1307 | } |
|
|
1308 | |
|
|
1309 | void |
1195 | aio_unlink (pathname,callback=&PL_sv_undef) |
1310 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1196 | SV * pathname |
|
|
1197 | SV * callback |
|
|
1198 | ALIAS: |
1311 | ALIAS: |
1199 | aio_unlink = REQ_UNLINK |
1312 | aio_unlink = EIO_UNLINK |
1200 | aio_rmdir = REQ_RMDIR |
1313 | aio_rmdir = EIO_RMDIR |
1201 | aio_readdir = REQ_READDIR |
1314 | aio_readdir = EIO_READDIR |
1202 | PPCODE: |
1315 | PPCODE: |
1203 | { |
1316 | { |
1204 | dREQ; |
1317 | dREQ; |
1205 | |
1318 | |
1206 | req->type = ix; |
1319 | req->type = ix; |
1207 | req->data = newSVsv (pathname); |
1320 | req->sv1 = newSVsv (pathname); |
1208 | req->dataptr = SvPVbyte_nolen (req->data); |
1321 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1209 | |
1322 | |
1210 | REQ_SEND; |
1323 | REQ_SEND; |
1211 | } |
1324 | } |
1212 | |
1325 | |
1213 | void |
1326 | void |
1214 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1327 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1215 | SV * oldpath |
|
|
1216 | SV * newpath |
|
|
1217 | SV * callback |
|
|
1218 | ALIAS: |
1328 | ALIAS: |
1219 | aio_link = REQ_LINK |
1329 | aio_link = EIO_LINK |
1220 | aio_symlink = REQ_SYMLINK |
1330 | aio_symlink = EIO_SYMLINK |
1221 | aio_rename = REQ_RENAME |
1331 | aio_rename = EIO_RENAME |
1222 | PPCODE: |
1332 | PPCODE: |
1223 | { |
1333 | { |
1224 | dREQ; |
1334 | dREQ; |
1225 | |
1335 | |
1226 | req->type = ix; |
1336 | req->type = ix; |
1227 | req->fh = newSVsv (oldpath); |
1337 | req->sv1 = newSVsv (oldpath); |
1228 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1338 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1229 | req->data = newSVsv (newpath); |
1339 | req->sv2 = newSVsv (newpath); |
1230 | req->dataptr = SvPVbyte_nolen (req->data); |
1340 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
1231 | |
1341 | |
1232 | REQ_SEND; |
1342 | REQ_SEND; |
1233 | } |
1343 | } |
1234 | |
1344 | |
1235 | void |
1345 | void |
1236 | aio_sleep (delay,callback=&PL_sv_undef) |
1346 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1237 | double delay |
|
|
1238 | SV * callback |
|
|
1239 | PPCODE: |
1347 | PPCODE: |
1240 | { |
1348 | { |
1241 | dREQ; |
1349 | dREQ; |
1242 | |
1350 | |
1243 | req->type = REQ_SLEEP; |
1351 | req->type = EIO_MKNOD; |
1244 | req->fd = delay < 0. ? 0 : delay; |
1352 | req->sv1 = newSVsv (pathname); |
1245 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1353 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1246 | |
1354 | req->int2 = (mode_t)mode; |
|
|
1355 | req->offs = dev; |
|
|
1356 | |
1247 | REQ_SEND; |
1357 | REQ_SEND; |
1248 | } |
1358 | } |
1249 | |
1359 | |
1250 | void |
1360 | void |
1251 | aio_group (callback=&PL_sv_undef) |
1361 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
1252 | SV * callback |
1362 | ALIAS: |
1253 | PROTOTYPE: ;$ |
1363 | aio_mtouch = EIO_MTOUCH |
|
|
1364 | aio_msync = EIO_MSYNC |
1254 | PPCODE: |
1365 | PPCODE: |
1255 | { |
1366 | { |
|
|
1367 | STRLEN svlen; |
|
|
1368 | char *svptr = SvPVbyte (data, svlen); |
|
|
1369 | UV len = SvUV (length); |
|
|
1370 | |
|
|
1371 | if (offset < 0) |
|
|
1372 | offset += svlen; |
|
|
1373 | |
|
|
1374 | if (offset < 0 || offset > svlen) |
|
|
1375 | croak ("offset outside of scalar"); |
|
|
1376 | |
|
|
1377 | if (!SvOK (length) || len + offset > svlen) |
|
|
1378 | len = svlen - offset; |
|
|
1379 | |
|
|
1380 | { |
|
|
1381 | dREQ; |
|
|
1382 | |
|
|
1383 | req->type = ix; |
|
|
1384 | req->sv2 = SvREFCNT_inc (data); |
|
|
1385 | req->ptr2 = (char *)svptr + offset; |
|
|
1386 | req->size = len; |
|
|
1387 | req->int1 = flags; |
|
|
1388 | |
|
|
1389 | REQ_SEND; |
|
|
1390 | } |
|
|
1391 | } |
|
|
1392 | |
|
|
1393 | void |
|
|
1394 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) |
|
|
1395 | PPCODE: |
|
|
1396 | { |
|
|
1397 | STRLEN svlen; |
|
|
1398 | char *svptr = SvPVbyte (data, svlen); |
|
|
1399 | UV len = SvUV (length); |
|
|
1400 | |
|
|
1401 | if (offset < 0) |
|
|
1402 | offset += svlen; |
|
|
1403 | |
|
|
1404 | if (offset < 0 || offset > svlen) |
|
|
1405 | croak ("offset outside of scalar"); |
|
|
1406 | |
|
|
1407 | if (!SvOK (length) || len + offset > svlen) |
|
|
1408 | len = svlen - offset; |
|
|
1409 | |
|
|
1410 | { |
|
|
1411 | dREQ; |
|
|
1412 | |
|
|
1413 | req->type = EIO_MLOCK; |
|
|
1414 | req->sv2 = SvREFCNT_inc (data); |
|
|
1415 | req->ptr2 = (char *)svptr + offset; |
|
|
1416 | req->size = len; |
|
|
1417 | |
|
|
1418 | REQ_SEND; |
|
|
1419 | } |
|
|
1420 | } |
|
|
1421 | |
|
|
1422 | void |
|
|
1423 | aio_mlockall (IV flags, SV *callback=&PL_sv_undef) |
|
|
1424 | PPCODE: |
|
|
1425 | { |
|
|
1426 | dREQ; |
|
|
1427 | |
|
|
1428 | req->type = EIO_MLOCKALL; |
|
|
1429 | req->int1 = flags; |
|
|
1430 | |
|
|
1431 | REQ_SEND; |
|
|
1432 | } |
|
|
1433 | |
|
|
1434 | void |
|
|
1435 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
|
|
1436 | PPCODE: |
|
|
1437 | { |
1256 | dREQ; |
1438 | dREQ; |
1257 | |
1439 | |
|
|
1440 | req->type = EIO_BUSY; |
|
|
1441 | req->nv1 = delay < 0. ? 0. : delay; |
|
|
1442 | |
|
|
1443 | REQ_SEND; |
|
|
1444 | } |
|
|
1445 | |
|
|
1446 | void |
|
|
1447 | aio_group (SV *callback=&PL_sv_undef) |
|
|
1448 | PPCODE: |
|
|
1449 | { |
|
|
1450 | dREQ; |
|
|
1451 | |
1258 | req->type = REQ_GROUP; |
1452 | req->type = EIO_GROUP; |
|
|
1453 | |
1259 | req_send (req); |
1454 | req_submit (req); |
1260 | |
|
|
1261 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1455 | XPUSHs (req_sv (req, aio_grp_stash)); |
1262 | } |
1456 | } |
1263 | |
1457 | |
1264 | void |
1458 | void |
1265 | aio_nop (callback=&PL_sv_undef) |
1459 | aio_nop (SV *callback=&PL_sv_undef) |
1266 | SV * callback |
1460 | ALIAS: |
|
|
1461 | aio_nop = EIO_NOP |
|
|
1462 | aio_sync = EIO_SYNC |
1267 | PPCODE: |
1463 | PPCODE: |
1268 | { |
1464 | { |
1269 | dREQ; |
1465 | dREQ; |
1270 | |
1466 | |
1271 | req->type = REQ_NOP; |
1467 | req->type = ix; |
1272 | |
1468 | |
1273 | REQ_SEND; |
1469 | REQ_SEND; |
1274 | } |
1470 | } |
1275 | |
1471 | |
1276 | #if 0 |
1472 | int |
1277 | |
1473 | aioreq_pri (int pri = 0) |
1278 | void |
|
|
1279 | aio_pri (int pri = DEFAULT_PRI) |
|
|
1280 | CODE: |
1474 | CODE: |
|
|
1475 | RETVAL = next_pri; |
|
|
1476 | if (items > 0) |
|
|
1477 | { |
1281 | if (pri < PRI_MIN) pri = PRI_MIN; |
1478 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1282 | if (pri > PRI_MAX) pri = PRI_MAX; |
1479 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1283 | next_pri = pri + PRI_BIAS; |
1480 | next_pri = pri; |
|
|
1481 | } |
|
|
1482 | OUTPUT: |
|
|
1483 | RETVAL |
1284 | |
1484 | |
1285 | #endif |
1485 | void |
|
|
1486 | aioreq_nice (int nice = 0) |
|
|
1487 | CODE: |
|
|
1488 | nice = next_pri - nice; |
|
|
1489 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
|
|
1490 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
|
|
1491 | next_pri = nice; |
1286 | |
1492 | |
1287 | void |
1493 | void |
1288 | flush () |
1494 | flush () |
1289 | PROTOTYPE: |
|
|
1290 | CODE: |
1495 | CODE: |
1291 | while (nreqs) |
1496 | while (eio_nreqs ()) |
1292 | { |
1497 | { |
1293 | poll_wait (); |
1498 | poll_wait (); |
1294 | poll_cb (); |
1499 | poll_cb (); |
1295 | } |
1500 | } |
1296 | |
1501 | |
1297 | void |
|
|
1298 | poll() |
|
|
1299 | PROTOTYPE: |
|
|
1300 | CODE: |
|
|
1301 | if (nreqs) |
|
|
1302 | { |
|
|
1303 | poll_wait (); |
|
|
1304 | poll_cb (); |
|
|
1305 | } |
|
|
1306 | |
|
|
1307 | int |
1502 | int |
1308 | poll_fileno() |
1503 | poll () |
1309 | PROTOTYPE: |
|
|
1310 | CODE: |
1504 | CODE: |
1311 | RETVAL = respipe [0]; |
1505 | poll_wait (); |
1312 | OUTPUT: |
|
|
1313 | RETVAL |
|
|
1314 | |
|
|
1315 | int |
|
|
1316 | poll_cb(...) |
|
|
1317 | PROTOTYPE: |
|
|
1318 | CODE: |
|
|
1319 | RETVAL = poll_cb (); |
1506 | RETVAL = poll_cb (); |
1320 | OUTPUT: |
1507 | OUTPUT: |
1321 | RETVAL |
1508 | RETVAL |
1322 | |
1509 | |
1323 | void |
|
|
1324 | poll_wait() |
|
|
1325 | PROTOTYPE: |
|
|
1326 | CODE: |
|
|
1327 | if (nreqs) |
|
|
1328 | poll_wait (); |
|
|
1329 | |
|
|
1330 | int |
1510 | int |
1331 | nreqs() |
1511 | poll_fileno () |
1332 | PROTOTYPE: |
|
|
1333 | CODE: |
1512 | CODE: |
1334 | RETVAL = nreqs; |
1513 | RETVAL = s_epipe_fd (&respipe); |
1335 | OUTPUT: |
1514 | OUTPUT: |
1336 | RETVAL |
1515 | RETVAL |
1337 | |
1516 | |
|
|
1517 | int |
|
|
1518 | poll_cb (...) |
|
|
1519 | PROTOTYPE: |
|
|
1520 | CODE: |
|
|
1521 | RETVAL = poll_cb (); |
|
|
1522 | OUTPUT: |
|
|
1523 | RETVAL |
|
|
1524 | |
|
|
1525 | void |
|
|
1526 | poll_wait () |
|
|
1527 | CODE: |
|
|
1528 | poll_wait (); |
|
|
1529 | |
|
|
1530 | int |
|
|
1531 | nreqs () |
|
|
1532 | CODE: |
|
|
1533 | RETVAL = eio_nreqs (); |
|
|
1534 | OUTPUT: |
|
|
1535 | RETVAL |
|
|
1536 | |
|
|
1537 | int |
|
|
1538 | nready () |
|
|
1539 | CODE: |
|
|
1540 | RETVAL = eio_nready (); |
|
|
1541 | OUTPUT: |
|
|
1542 | RETVAL |
|
|
1543 | |
|
|
1544 | int |
|
|
1545 | npending () |
|
|
1546 | CODE: |
|
|
1547 | RETVAL = eio_npending (); |
|
|
1548 | OUTPUT: |
|
|
1549 | RETVAL |
|
|
1550 | |
|
|
1551 | int |
|
|
1552 | nthreads () |
|
|
1553 | CODE: |
|
|
1554 | RETVAL = eio_nthreads (); |
|
|
1555 | OUTPUT: |
|
|
1556 | RETVAL |
|
|
1557 | |
|
|
1558 | int |
|
|
1559 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
1560 | CODE: |
|
|
1561 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
1562 | OUTPUT: |
|
|
1563 | RETVAL |
|
|
1564 | |
|
|
1565 | ssize_t |
|
|
1566 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
1567 | CODE: |
|
|
1568 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1569 | OUTPUT: |
|
|
1570 | RETVAL |
|
|
1571 | |
|
|
1572 | void |
|
|
1573 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
|
|
1574 | PPCODE: |
|
|
1575 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1576 | { |
|
|
1577 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1578 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1579 | if (addr == (void *)-1) |
|
|
1580 | XSRETURN_NO; |
|
|
1581 | |
|
|
1582 | sv_force_normal (scalar); |
|
|
1583 | |
|
|
1584 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1585 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1586 | ->mg_obj = (SV *)length; |
|
|
1587 | |
|
|
1588 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1589 | |
|
|
1590 | if (!(prot & PROT_WRITE)) |
|
|
1591 | SvREADONLY_on (scalar); |
|
|
1592 | |
|
|
1593 | if (SvLEN (scalar)) |
|
|
1594 | Safefree (SvPVX (scalar)); |
|
|
1595 | |
|
|
1596 | SvPVX (scalar) = (char *)addr; |
|
|
1597 | SvCUR_set (scalar, length); |
|
|
1598 | SvLEN_set (scalar, 0); |
|
|
1599 | SvPOK_only (scalar); |
|
|
1600 | |
|
|
1601 | XSRETURN_YES; |
|
|
1602 | } |
|
|
1603 | |
|
|
1604 | void |
|
|
1605 | munmap (SV *scalar) |
|
|
1606 | CODE: |
|
|
1607 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1608 | |
|
|
1609 | int |
|
|
1610 | madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
1611 | ALIAS: |
|
|
1612 | mprotect = 1 |
|
|
1613 | CODE: |
|
|
1614 | { |
|
|
1615 | STRLEN svlen; |
|
|
1616 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1617 | size_t len = SvUV (length); |
|
|
1618 | |
|
|
1619 | if (offset < 0) |
|
|
1620 | offset += svlen; |
|
|
1621 | |
|
|
1622 | if (offset < 0 || offset > svlen) |
|
|
1623 | croak ("offset outside of scalar"); |
|
|
1624 | |
|
|
1625 | if (!SvOK (length) || len + offset > svlen) |
|
|
1626 | len = svlen - offset; |
|
|
1627 | |
|
|
1628 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1629 | eio_page_align (&addr, &len); |
|
|
1630 | |
|
|
1631 | switch (ix) |
|
|
1632 | { |
|
|
1633 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
1634 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
1635 | } |
|
|
1636 | } |
|
|
1637 | OUTPUT: |
|
|
1638 | RETVAL |
|
|
1639 | |
|
|
1640 | int |
|
|
1641 | munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) |
|
|
1642 | CODE: |
|
|
1643 | { |
|
|
1644 | STRLEN svlen; |
|
|
1645 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1646 | size_t len = SvUV (length); |
|
|
1647 | |
|
|
1648 | if (offset < 0) |
|
|
1649 | offset += svlen; |
|
|
1650 | |
|
|
1651 | if (offset < 0 || offset > svlen) |
|
|
1652 | croak ("offset outside of scalar"); |
|
|
1653 | |
|
|
1654 | if (!SvOK (length) || len + offset > svlen) |
|
|
1655 | len = svlen - offset; |
|
|
1656 | |
|
|
1657 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1658 | eio_page_align (&addr, &len); |
|
|
1659 | #if _POSIX_MEMLOCK_RANGE |
|
|
1660 | RETVAL = munlock (addr, len); |
|
|
1661 | #else |
|
|
1662 | RETVAL = ((errno = ENOSYS), -1); |
|
|
1663 | #endif |
|
|
1664 | } |
|
|
1665 | OUTPUT: |
|
|
1666 | RETVAL |
|
|
1667 | |
|
|
1668 | int |
|
|
1669 | munlockall () |
|
|
1670 | CODE: |
|
|
1671 | #if _POSIX_MEMLOCK |
|
|
1672 | munlockall (); |
|
|
1673 | #else |
|
|
1674 | RETVAL = -1; |
|
|
1675 | errno = ENOSYS; |
|
|
1676 | #endif |
|
|
1677 | OUTPUT: |
|
|
1678 | RETVAL |
|
|
1679 | |
|
|
1680 | void _on_next_submit (SV *cb) |
|
|
1681 | CODE: |
|
|
1682 | SvREFCNT_dec (on_next_submit); |
|
|
1683 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1684 | |
1338 | PROTOTYPES: DISABLE |
1685 | PROTOTYPES: DISABLE |
1339 | |
1686 | |
1340 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1687 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1341 | |
1688 | |
1342 | void |
1689 | void |
1343 | cancel (aio_req_ornot req) |
1690 | cancel (aio_req_ornot req) |
1344 | PROTOTYPE: |
|
|
1345 | CODE: |
1691 | CODE: |
1346 | req_cancel (req); |
1692 | eio_cancel (req); |
1347 | |
1693 | |
1348 | void |
1694 | void |
1349 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1695 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1350 | CODE: |
1696 | PPCODE: |
|
|
1697 | { |
|
|
1698 | if (GIMME_V != G_VOID) |
|
|
1699 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1700 | |
|
|
1701 | if (items > 1) |
|
|
1702 | { |
|
|
1703 | SV *cb_cv =get_cb (callback); |
|
|
1704 | |
1351 | SvREFCNT_dec (req->callback); |
1705 | SvREFCNT_dec (req->callback); |
1352 | req->callback = newSVsv (callback); |
1706 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1707 | } |
|
|
1708 | } |
1353 | |
1709 | |
1354 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1710 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1355 | |
1711 | |
1356 | void |
1712 | void |
1357 | add (aio_req grp, ...) |
1713 | add (aio_req grp, ...) |
1358 | PPCODE: |
1714 | PPCODE: |
1359 | { |
1715 | { |
1360 | int i; |
1716 | int i; |
1361 | aio_req req; |
|
|
1362 | |
1717 | |
1363 | if (grp->fd == 2) |
1718 | if (grp->int1 == 2) |
1364 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1719 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1365 | |
1720 | |
1366 | for (i = 1; i < items; ++i ) |
1721 | for (i = 1; i < items; ++i ) |
1367 | { |
1722 | { |
|
|
1723 | aio_req req; |
|
|
1724 | |
1368 | if (GIMME_V != G_VOID) |
1725 | if (GIMME_V != G_VOID) |
1369 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1726 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1370 | |
1727 | |
1371 | req = SvAIO_REQ (ST (i)); |
1728 | req = SvAIO_REQ (ST (i)); |
1372 | |
1729 | |
1373 | if (req) |
1730 | if (req) |
1374 | { |
1731 | eio_grp_add (grp, req); |
1375 | ++grp->length; |
|
|
1376 | req->grp = grp; |
|
|
1377 | |
|
|
1378 | req->grp_prev = 0; |
|
|
1379 | req->grp_next = grp->grp_first; |
|
|
1380 | |
|
|
1381 | if (grp->grp_first) |
|
|
1382 | grp->grp_first->grp_prev = req; |
|
|
1383 | |
|
|
1384 | grp->grp_first = req; |
|
|
1385 | } |
|
|
1386 | } |
1732 | } |
1387 | } |
1733 | } |
|
|
1734 | |
|
|
1735 | void |
|
|
1736 | cancel_subs (aio_req_ornot req) |
|
|
1737 | CODE: |
|
|
1738 | req_cancel_subs (req); |
1388 | |
1739 | |
1389 | void |
1740 | void |
1390 | result (aio_req grp, ...) |
1741 | result (aio_req grp, ...) |
1391 | CODE: |
1742 | CODE: |
1392 | { |
1743 | { |
1393 | int i; |
1744 | int i; |
|
|
1745 | AV *av; |
|
|
1746 | |
|
|
1747 | grp->errorno = errno; |
|
|
1748 | |
1394 | AV *av = newAV (); |
1749 | av = newAV (); |
|
|
1750 | av_extend (av, items - 1); |
1395 | |
1751 | |
1396 | for (i = 1; i < items; ++i ) |
1752 | for (i = 1; i < items; ++i ) |
1397 | av_push (av, newSVsv (ST (i))); |
1753 | av_push (av, newSVsv (ST (i))); |
1398 | |
1754 | |
1399 | SvREFCNT_dec (grp->data); |
1755 | SvREFCNT_dec (grp->sv1); |
1400 | grp->data = (SV *)av; |
1756 | grp->sv1 = (SV *)av; |
1401 | } |
1757 | } |
1402 | |
1758 | |
1403 | void |
1759 | void |
|
|
1760 | errno (aio_req grp, int errorno = errno) |
|
|
1761 | CODE: |
|
|
1762 | grp->errorno = errorno; |
|
|
1763 | |
|
|
1764 | void |
1404 | feed_limit (aio_req grp, int limit) |
1765 | limit (aio_req grp, int limit) |
1405 | CODE: |
1766 | CODE: |
1406 | grp->fd2 = limit; |
1767 | eio_grp_limit (grp, limit); |
1407 | aio_grp_feed (grp); |
|
|
1408 | |
1768 | |
1409 | void |
1769 | void |
1410 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1770 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1411 | CODE: |
1771 | CODE: |
1412 | { |
1772 | { |
1413 | SvREFCNT_dec (grp->fh2); |
1773 | SvREFCNT_dec (grp->sv2); |
1414 | grp->fh2 = newSVsv (callback); |
1774 | grp->sv2 = newSVsv (callback); |
|
|
1775 | grp->feed = aio_grp_feed; |
1415 | |
1776 | |
1416 | if (grp->fd2 <= 0) |
1777 | if (grp->int2 <= 0) |
1417 | grp->fd2 = 2; |
1778 | grp->int2 = 2; |
1418 | |
1779 | |
1419 | aio_grp_feed (grp); |
1780 | eio_grp_limit (grp, grp->int2); |
1420 | } |
1781 | } |
1421 | |
1782 | |