1 | /* solaris */ |
1 | #include "libeio/xthread.h" |
2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
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3 | |
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4 | #if __linux && !defined(_GNU_SOURCE) |
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5 | # define _GNU_SOURCE |
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6 | #endif |
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7 | |
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8 | /* just in case */ |
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9 | #define _REENTRANT 1 |
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10 | |
2 | |
11 | #include <errno.h> |
3 | #include <errno.h> |
12 | |
4 | |
13 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
14 | #include "perl.h" |
6 | #include "perl.h" |
15 | #include "XSUB.h" |
7 | #include "XSUB.h" |
16 | |
8 | |
17 | #include "autoconf/config.h" |
9 | #include "schmorp.h" |
18 | |
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19 | #include <pthread.h> |
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20 | |
10 | |
21 | #include <stddef.h> |
11 | #include <stddef.h> |
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12 | #include <stdlib.h> |
22 | #include <errno.h> |
13 | #include <errno.h> |
23 | #include <sys/time.h> |
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24 | #include <sys/select.h> |
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25 | #include <sys/types.h> |
14 | #include <sys/types.h> |
26 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
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16 | #include <sys/statvfs.h> |
27 | #include <limits.h> |
17 | #include <limits.h> |
28 | #include <unistd.h> |
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29 | #include <fcntl.h> |
18 | #include <fcntl.h> |
30 | #include <signal.h> |
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31 | #include <sched.h> |
19 | #include <sched.h> |
32 | |
20 | |
33 | #if HAVE_SENDFILE |
21 | #if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
34 | # if __linux |
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35 | # include <sys/sendfile.h> |
22 | # include <sys/mman.h> |
36 | # elif __freebsd |
23 | #endif |
37 | # 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 | |
38 | # include <sys/uio.h> |
68 | # include <sys/time.h> |
39 | # elif __hpux |
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40 | # include <sys/socket.h> |
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41 | # elif __solaris /* not yet */ |
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42 | # include <sys/sendfile.h> |
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 |
43 | # else |
287 | # else |
44 | # error sendfile support requested but not available |
288 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
45 | # endif |
289 | # endif |
46 | #endif |
290 | #endif |
47 | |
291 | #ifndef MAP_HUGETLB |
48 | /* number of seconds after which idle threads exit */ |
292 | # define MAP_HUGETLB 0 |
49 | #define IDLE_TIMEOUT 10 |
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50 | |
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51 | /* used for struct dirent, AIX doesn't provide it */ |
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52 | #ifndef NAME_MAX |
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53 | # define NAME_MAX 4096 |
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54 | #endif |
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55 | |
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56 | #ifndef PTHREAD_STACK_MIN |
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57 | /* care for broken platforms, e.g. windows */ |
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58 | # define PTHREAD_STACK_MIN 16384 |
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59 | #endif |
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60 | |
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61 | #if __ia64 |
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62 | # define STACKSIZE 65536 |
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63 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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64 | # define STACKSIZE PTHREAD_STACK_MIN |
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65 | #else |
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66 | # define STACKSIZE 16384 |
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67 | #endif |
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68 | |
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69 | /* wether word reads are potentially non-atomic. |
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70 | * this is conservatice, likely most arches this runs |
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71 | * on have atomic word read/writes. |
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72 | */ |
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73 | #ifndef WORDREAD_UNSAFE |
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74 | # if __i386 || __x86_64 |
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75 | # define WORDREAD_UNSAFE 0 |
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76 | # else |
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77 | # define WORDREAD_UNSAFE 1 |
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78 | # endif |
293 | #endif |
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294 | #ifndef MAP_LOCKED |
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295 | # define MAP_LOCKED 0 |
79 | #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 |
80 | |
306 | |
81 | /* buffer size for various temporary buffers */ |
307 | #ifndef makedev |
82 | #define AIO_BUFSIZE 65536 |
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 |
83 | |
316 | |
84 | #define dBUF \ |
317 | #ifndef PAGESIZE |
85 | char *aio_buf; \ |
318 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
86 | LOCK (wrklock); \ |
319 | #endif |
87 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
320 | |
88 | UNLOCK (wrklock); \ |
321 | static int req_invoke (eio_req *req); |
89 | if (!aio_buf) \ |
322 | #define EIO_FINISH(req) req_invoke (req) |
90 | return -1; |
323 | static void req_destroy (eio_req *grp); |
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324 | #define EIO_DESTROY(req) req_destroy (req) |
91 | |
325 | |
92 | enum { |
326 | enum { |
93 | REQ_QUIT, |
327 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
94 | REQ_OPEN, REQ_CLOSE, |
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95 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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96 | REQ_SENDFILE, |
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97 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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98 | REQ_FSYNC, REQ_FDATASYNC, |
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99 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
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100 | REQ_MKNOD, REQ_READDIR, |
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101 | REQ_LINK, REQ_SYMLINK, |
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102 | REQ_GROUP, REQ_NOP, |
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103 | REQ_BUSY, |
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104 | }; |
328 | }; |
105 | |
329 | |
106 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
330 | #include "libeio/eio.c" |
107 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
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108 | |
331 | |
109 | typedef struct aio_cb |
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110 | { |
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111 | struct aio_cb *volatile next; |
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112 | |
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113 | SV *data, *callback; |
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114 | SV *fh, *fh2; |
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115 | void *dataptr, *data2ptr; |
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116 | Stat_t *statdata; |
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117 | off_t offset; |
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118 | size_t length; |
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119 | ssize_t result; |
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120 | |
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121 | STRLEN dataoffset; |
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122 | int type; |
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123 | int fd, fd2; |
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124 | int errorno; |
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125 | mode_t mode; /* open */ |
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126 | |
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127 | unsigned char flags; |
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128 | unsigned char pri; |
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129 | |
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130 | SV *self; /* the perl counterpart of this request, if any */ |
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131 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
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132 | } aio_cb; |
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133 | |
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134 | enum { |
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135 | FLAG_CANCELLED = 0x01, |
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136 | }; |
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137 | |
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138 | typedef aio_cb *aio_req; |
332 | typedef eio_req *aio_req; |
139 | typedef aio_cb *aio_req_ornot; |
333 | typedef eio_req *aio_req_ornot; |
140 | |
334 | |
141 | enum { |
335 | static SV *on_next_submit; |
142 | PRI_MIN = -4, |
336 | static int next_pri = EIO_PRI_DEFAULT; |
143 | PRI_MAX = 4, |
337 | static int max_outstanding; |
144 | |
338 | |
145 | DEFAULT_PRI = 0, |
339 | static s_epipe respipe; |
146 | PRI_BIAS = -PRI_MIN, |
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147 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
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148 | }; |
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149 | |
340 | |
150 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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151 | |
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152 | static unsigned int started, idle, wanted; |
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153 | |
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154 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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155 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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156 | #else |
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157 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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158 | #endif |
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159 | |
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160 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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161 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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162 | |
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163 | /* worker threads management */ |
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164 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
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165 | |
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166 | typedef struct worker { |
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167 | /* locked by wrklock */ |
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168 | struct worker *prev, *next; |
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169 | |
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170 | pthread_t tid; |
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171 | |
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172 | /* locked by reslock, reqlock or wrklock */ |
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173 | aio_req req; /* currently processed request */ |
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174 | void *dbuf; |
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175 | DIR *dirp; |
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176 | } worker; |
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177 | |
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178 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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179 | |
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180 | static void worker_clear (worker *wrk) |
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181 | { |
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182 | if (wrk->dirp) |
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183 | { |
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184 | closedir (wrk->dirp); |
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185 | wrk->dirp = 0; |
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186 | } |
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187 | |
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188 | if (wrk->dbuf) |
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189 | { |
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190 | free (wrk->dbuf); |
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191 | wrk->dbuf = 0; |
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192 | } |
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193 | } |
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194 | |
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195 | static void worker_free (worker *wrk) |
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196 | { |
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197 | wrk->next->prev = wrk->prev; |
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198 | wrk->prev->next = wrk->next; |
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199 | |
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200 | free (wrk); |
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201 | } |
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202 | |
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203 | static volatile unsigned int nreqs, nready, npending; |
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204 | static volatile unsigned int max_idle = 4; |
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205 | static volatile unsigned int max_outstanding = 0xffffffff; |
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206 | static int respipe [2]; |
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207 | |
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208 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
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209 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
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210 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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211 | |
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212 | #if WORDREAD_UNSAFE |
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213 | |
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214 | static unsigned int get_nready () |
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215 | { |
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216 | unsigned int retval; |
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217 | |
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218 | LOCK (reqlock); |
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219 | retval = nready; |
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220 | UNLOCK (reqlock); |
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221 | |
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222 | return retval; |
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223 | } |
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224 | |
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225 | static unsigned int get_npending () |
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226 | { |
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227 | unsigned int retval; |
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228 | |
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229 | LOCK (reslock); |
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230 | retval = npending; |
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231 | UNLOCK (reslock); |
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232 | |
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233 | return retval; |
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234 | } |
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235 | |
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236 | #else |
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237 | |
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238 | # define get_nready() nready |
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239 | # define get_npending() npending |
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240 | |
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241 | #endif |
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242 | |
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243 | /* |
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244 | * a somewhat faster data structure might be nice, but |
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245 | * with 8 priorities this actually needs <20 insns |
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246 | * per shift, the most expensive operation. |
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247 | */ |
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248 | typedef struct { |
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249 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
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250 | int size; |
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251 | } reqq; |
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252 | |
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253 | static reqq req_queue; |
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254 | static reqq res_queue; |
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255 | |
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256 | int reqq_push (reqq *q, aio_req req) |
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257 | { |
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258 | int pri = req->pri; |
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259 | req->next = 0; |
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260 | |
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261 | if (q->qe[pri]) |
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262 | { |
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263 | q->qe[pri]->next = req; |
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264 | q->qe[pri] = req; |
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265 | } |
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266 | else |
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267 | q->qe[pri] = q->qs[pri] = req; |
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268 | |
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269 | return q->size++; |
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270 | } |
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271 | |
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272 | aio_req reqq_shift (reqq *q) |
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273 | { |
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274 | int pri; |
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275 | |
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276 | if (!q->size) |
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277 | return 0; |
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278 | |
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279 | --q->size; |
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280 | |
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281 | for (pri = NUM_PRI; pri--; ) |
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282 | { |
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283 | aio_req req = q->qs[pri]; |
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284 | |
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285 | if (req) |
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286 | { |
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287 | if (!(q->qs[pri] = req->next)) |
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288 | q->qe[pri] = 0; |
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289 | |
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290 | return req; |
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291 | } |
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292 | } |
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293 | |
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294 | abort (); |
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295 | } |
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296 | |
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297 | static int poll_cb (int max); |
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298 | static void req_invoke (aio_req req); |
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299 | static void req_free (aio_req req); |
341 | static void req_destroy (aio_req req); |
300 | static void req_cancel (aio_req req); |
342 | static void req_cancel (aio_req req); |
301 | |
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 | } |
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355 | |
302 | /* must be called at most once */ |
356 | /* must be called at most once */ |
303 | static SV *req_sv (aio_req req, const char *klass) |
357 | static SV *req_sv (aio_req req, HV *stash) |
304 | { |
358 | { |
305 | if (!req->self) |
359 | if (!req->self) |
306 | { |
360 | { |
307 | req->self = (SV *)newHV (); |
361 | req->self = (SV *)newHV (); |
308 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
362 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
309 | } |
363 | } |
310 | |
364 | |
311 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
365 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
312 | } |
366 | } |
313 | |
367 | |
314 | static aio_req SvAIO_REQ (SV *sv) |
368 | static aio_req SvAIO_REQ (SV *sv) |
315 | { |
369 | { |
316 | MAGIC *mg; |
370 | MAGIC *mg; |
317 | |
371 | |
318 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
372 | if (!SvROK (sv) |
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373 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
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374 | && SvSTASH (SvRV (sv)) != aio_req_stash |
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375 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
319 | croak ("object of class " AIO_REQ_KLASS " expected"); |
376 | croak ("object of class IO::AIO::REQ expected"); |
320 | |
377 | |
321 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
378 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
322 | |
379 | |
323 | return mg ? (aio_req)mg->mg_ptr : 0; |
380 | return mg ? (aio_req)mg->mg_ptr : 0; |
324 | } |
381 | } |
325 | |
382 | |
326 | static void aio_grp_feed (aio_req grp) |
383 | static void aio_grp_feed (aio_req grp) |
327 | { |
384 | { |
328 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
385 | if (grp->sv2 && SvOK (grp->sv2)) |
329 | { |
386 | { |
330 | int old_len = grp->length; |
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331 | |
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332 | if (grp->fh2 && SvOK (grp->fh2)) |
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333 | { |
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334 | dSP; |
387 | dSP; |
335 | |
388 | |
336 | ENTER; |
389 | ENTER; |
337 | SAVETMPS; |
390 | SAVETMPS; |
338 | PUSHMARK (SP); |
391 | PUSHMARK (SP); |
339 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
392 | XPUSHs (req_sv (grp, aio_grp_stash)); |
340 | PUTBACK; |
393 | PUTBACK; |
341 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
394 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
342 | SPAGAIN; |
395 | SPAGAIN; |
343 | FREETMPS; |
396 | FREETMPS; |
344 | LEAVE; |
397 | LEAVE; |
345 | } |
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346 | |
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347 | /* stop if no progress has been made */ |
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348 | if (old_len == grp->length) |
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349 | { |
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350 | SvREFCNT_dec (grp->fh2); |
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351 | grp->fh2 = 0; |
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352 | break; |
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353 | } |
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354 | } |
398 | } |
355 | } |
399 | } |
356 | |
400 | |
357 | static void aio_grp_dec (aio_req grp) |
401 | static void req_submit (eio_req *req) |
358 | { |
402 | { |
359 | --grp->length; |
403 | eio_submit (req); |
360 | |
404 | |
361 | /* call feeder, if applicable */ |
405 | if (expect_false (on_next_submit)) |
362 | aio_grp_feed (grp); |
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363 | |
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364 | /* finish, if done */ |
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365 | if (!grp->length && grp->fd) |
|
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366 | { |
406 | { |
367 | req_invoke (grp); |
407 | dSP; |
368 | req_free (grp); |
408 | SV *cb = sv_2mortal (on_next_submit); |
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409 | |
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410 | on_next_submit = 0; |
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411 | |
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412 | PUSHMARK (SP); |
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413 | PUTBACK; |
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414 | call_sv (cb, G_DISCARD | G_EVAL); |
369 | } |
415 | } |
370 | } |
416 | } |
371 | |
417 | |
372 | static void req_invoke (aio_req req) |
418 | static int req_invoke (eio_req *req) |
373 | { |
419 | { |
374 | dSP; |
420 | if (req->flags & FLAG_SV2_RO_OFF) |
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421 | SvREADONLY_off (req->sv2); |
375 | |
422 | |
376 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
423 | if (!EIO_CANCELLED (req) && req->callback) |
377 | { |
424 | { |
|
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425 | dSP; |
|
|
426 | static SV *sv_result_cache; /* caches the result integer SV */ |
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427 | SV *sv_result; |
|
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428 | |
378 | ENTER; |
429 | ENTER; |
379 | SAVETMPS; |
430 | SAVETMPS; |
380 | PUSHMARK (SP); |
431 | PUSHMARK (SP); |
381 | EXTEND (SP, 1); |
432 | EXTEND (SP, 1); |
382 | |
433 | |
|
|
434 | /* do not recreate the result IV from scratch each time */ |
|
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435 | if (expect_true (sv_result_cache)) |
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436 | { |
|
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437 | sv_result = sv_result_cache; sv_result_cache = 0; |
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438 | SvIV_set (sv_result, req->result); |
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439 | SvIOK_only (sv_result); |
|
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440 | } |
|
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441 | else |
|
|
442 | { |
|
|
443 | sv_result = newSViv (req->result); |
|
|
444 | SvREADONLY_on (sv_result); |
|
|
445 | } |
|
|
446 | |
383 | switch (req->type) |
447 | switch (req->type) |
384 | { |
448 | { |
385 | case REQ_READDIR: |
449 | case EIO_READDIR: |
386 | { |
450 | { |
387 | SV *rv = &PL_sv_undef; |
451 | SV *rv = &PL_sv_undef; |
388 | |
452 | |
389 | if (req->result >= 0) |
453 | if (req->result >= 0) |
390 | { |
454 | { |
391 | int i; |
455 | int i; |
392 | char *buf = req->data2ptr; |
456 | char *names = (char *)req->ptr2; |
|
|
457 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
393 | AV *av = newAV (); |
458 | AV *av = newAV (); |
394 | |
459 | |
395 | av_extend (av, req->result - 1); |
460 | av_extend (av, req->result - 1); |
396 | |
461 | |
397 | for (i = 0; i < req->result; ++i) |
462 | for (i = 0; i < req->result; ++i) |
398 | { |
463 | { |
399 | SV *sv = newSVpv (buf, 0); |
464 | if (req->int1 & EIO_READDIR_DENTS) |
|
|
465 | { |
|
|
466 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
400 | |
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 |
401 | av_store (av, i, sv); |
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); |
402 | buf += SvCUR (sv) + 1; |
496 | names += SvCUR (name) + 1; |
|
|
497 | } |
403 | } |
498 | } |
404 | |
499 | |
405 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
500 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
406 | } |
501 | } |
407 | |
502 | |
408 | PUSHs (rv); |
503 | PUSHs (rv); |
|
|
504 | |
|
|
505 | if (req->int1 & EIO_READDIR_CUSTOM1) |
|
|
506 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
409 | } |
507 | } |
410 | break; |
508 | break; |
411 | |
509 | |
412 | case REQ_OPEN: |
510 | case EIO_OPEN: |
413 | { |
511 | { |
414 | /* convert fd to fh */ |
512 | /* convert fd to fh */ |
415 | SV *fh; |
513 | SV *fh = &PL_sv_undef; |
416 | |
514 | |
417 | PUSHs (sv_2mortal (newSViv (req->result))); |
515 | if (req->result >= 0) |
418 | PUTBACK; |
516 | { |
419 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
517 | GV *gv = (GV *)sv_newmortal (); |
420 | SPAGAIN; |
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); |
421 | |
524 | |
422 | fh = SvREFCNT_inc (POPs); |
525 | symlen = snprintf ( |
|
|
526 | sym, |
|
|
527 | sizeof (sym), |
|
|
528 | "%s&=%d", |
|
|
529 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
530 | (int)req->result |
|
|
531 | ); |
423 | |
532 | |
|
|
533 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
534 | fh = (SV *)gv; |
|
|
535 | } |
|
|
536 | |
424 | PUSHMARK (SP); |
537 | PUSHs (fh); |
425 | XPUSHs (sv_2mortal (fh)); |
|
|
426 | } |
538 | } |
427 | break; |
539 | break; |
428 | |
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 | |
429 | case REQ_GROUP: |
571 | case EIO_GROUP: |
430 | req->fd = 2; /* mark group as finished */ |
572 | req->int1 = 2; /* mark group as finished */ |
431 | |
573 | |
432 | if (req->data) |
574 | if (req->sv1) |
433 | { |
575 | { |
434 | int i; |
576 | int i; |
435 | AV *av = (AV *)req->data; |
577 | AV *av = (AV *)req->sv1; |
436 | |
578 | |
437 | EXTEND (SP, AvFILL (av) + 1); |
579 | EXTEND (SP, AvFILL (av) + 1); |
438 | for (i = 0; i <= AvFILL (av); ++i) |
580 | for (i = 0; i <= AvFILL (av); ++i) |
439 | PUSHs (*av_fetch (av, i, 0)); |
581 | PUSHs (*av_fetch (av, i, 0)); |
440 | } |
582 | } |
441 | break; |
583 | break; |
442 | |
584 | |
443 | case REQ_NOP: |
585 | case EIO_NOP: |
444 | case REQ_BUSY: |
586 | case EIO_BUSY: |
445 | break; |
587 | break; |
446 | |
588 | |
|
|
589 | case EIO_READLINK: |
|
|
590 | case EIO_REALPATH: |
|
|
591 | if (req->result > 0) |
|
|
592 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
593 | break; |
|
|
594 | |
|
|
595 | case EIO_STAT: |
|
|
596 | case EIO_LSTAT: |
|
|
597 | case EIO_FSTAT: |
|
|
598 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
599 | PL_laststatval = req->result; |
|
|
600 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
601 | PUSHs (sv_result); |
|
|
602 | break; |
|
|
603 | |
|
|
604 | case EIO_READ: |
|
|
605 | { |
|
|
606 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
607 | *SvEND (req->sv2) = 0; |
|
|
608 | SvPOK_only (req->sv2); |
|
|
609 | SvSETMAGIC (req->sv2); |
|
|
610 | PUSHs (sv_result); |
|
|
611 | } |
|
|
612 | break; |
|
|
613 | |
|
|
614 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
|
|
615 | if (req->result > 0) |
|
|
616 | SvIV_set (sv_result, 0); |
|
|
617 | /* FALLTHROUGH */ |
|
|
618 | |
447 | default: |
619 | default: |
448 | PUSHs (sv_2mortal (newSViv (req->result))); |
620 | PUSHs (sv_result); |
449 | break; |
621 | break; |
450 | } |
622 | } |
451 | |
623 | |
452 | errno = req->errorno; |
624 | errno = req->errorno; |
453 | |
625 | |
454 | PUTBACK; |
626 | PUTBACK; |
455 | call_sv (req->callback, G_VOID | G_EVAL); |
627 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
456 | SPAGAIN; |
628 | SPAGAIN; |
|
|
629 | |
|
|
630 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
631 | SvREFCNT_dec (sv_result); |
|
|
632 | else |
|
|
633 | sv_result_cache = sv_result; |
457 | |
634 | |
458 | FREETMPS; |
635 | FREETMPS; |
459 | LEAVE; |
636 | LEAVE; |
|
|
637 | |
|
|
638 | PUTBACK; |
460 | } |
639 | } |
461 | |
640 | |
462 | if (req->grp) |
641 | return !!SvTRUE (ERRSV); |
463 | { |
|
|
464 | aio_req grp = req->grp; |
|
|
465 | |
|
|
466 | /* unlink request */ |
|
|
467 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
468 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
469 | |
|
|
470 | if (grp->grp_first == req) |
|
|
471 | grp->grp_first = req->grp_next; |
|
|
472 | |
|
|
473 | aio_grp_dec (grp); |
|
|
474 | } |
|
|
475 | |
|
|
476 | if (SvTRUE (ERRSV)) |
|
|
477 | { |
|
|
478 | req_free (req); |
|
|
479 | croak (0); |
|
|
480 | } |
|
|
481 | } |
642 | } |
482 | |
643 | |
483 | static void req_free (aio_req req) |
644 | static void req_destroy (aio_req req) |
484 | { |
645 | { |
485 | if (req->self) |
646 | if (req->self) |
486 | { |
647 | { |
487 | sv_unmagic (req->self, PERL_MAGIC_ext); |
648 | sv_unmagic (req->self, PERL_MAGIC_ext); |
488 | SvREFCNT_dec (req->self); |
649 | SvREFCNT_dec (req->self); |
489 | } |
650 | } |
490 | |
651 | |
491 | SvREFCNT_dec (req->data); |
|
|
492 | SvREFCNT_dec (req->fh); |
652 | SvREFCNT_dec (req->sv1); |
493 | SvREFCNT_dec (req->fh2); |
653 | SvREFCNT_dec (req->sv2); |
494 | SvREFCNT_dec (req->callback); |
654 | SvREFCNT_dec (req->callback); |
495 | Safefree (req->statdata); |
|
|
496 | |
|
|
497 | if (req->type == REQ_READDIR) |
|
|
498 | free (req->data2ptr); |
|
|
499 | |
655 | |
500 | Safefree (req); |
656 | Safefree (req); |
501 | } |
657 | } |
502 | |
658 | |
503 | static void req_cancel_subs (aio_req grp) |
659 | static void req_cancel_subs (aio_req grp) |
504 | { |
660 | { |
505 | aio_req sub; |
661 | aio_req sub; |
506 | |
662 | |
507 | if (grp->type != REQ_GROUP) |
663 | if (grp->type != EIO_GROUP) |
508 | return; |
664 | return; |
509 | |
665 | |
510 | SvREFCNT_dec (grp->fh2); |
666 | SvREFCNT_dec (grp->sv2); |
511 | grp->fh2 = 0; |
667 | grp->sv2 = 0; |
512 | |
668 | |
513 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
669 | eio_grp_cancel (grp); |
514 | req_cancel (sub); |
|
|
515 | } |
670 | } |
516 | |
671 | |
517 | static void req_cancel (aio_req req) |
672 | static void |
|
|
673 | create_respipe (void) |
518 | { |
674 | { |
519 | req->flags |= FLAG_CANCELLED; |
675 | if (s_epipe_renew (&respipe)) |
520 | |
676 | croak ("IO::AIO: unable to initialize result pipe"); |
521 | req_cancel_subs (req); |
|
|
522 | } |
677 | } |
523 | |
678 | |
524 | static void *aio_proc(void *arg); |
|
|
525 | |
|
|
526 | static void start_thread (void) |
|
|
527 | { |
|
|
528 | sigset_t fullsigset, oldsigset; |
|
|
529 | pthread_attr_t attr; |
|
|
530 | |
|
|
531 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
532 | |
|
|
533 | if (!wrk) |
|
|
534 | croak ("unable to allocate worker thread data"); |
|
|
535 | |
|
|
536 | pthread_attr_init (&attr); |
|
|
537 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
538 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
539 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
540 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
541 | #endif |
|
|
542 | |
|
|
543 | sigfillset (&fullsigset); |
|
|
544 | |
|
|
545 | LOCK (wrklock); |
|
|
546 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
547 | |
|
|
548 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
|
|
549 | { |
|
|
550 | wrk->prev = &wrk_first; |
|
|
551 | wrk->next = wrk_first.next; |
|
|
552 | wrk_first.next->prev = wrk; |
|
|
553 | wrk_first.next = wrk; |
|
|
554 | ++started; |
|
|
555 | } |
|
|
556 | else |
|
|
557 | free (wrk); |
|
|
558 | |
|
|
559 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
560 | UNLOCK (wrklock); |
|
|
561 | } |
|
|
562 | |
|
|
563 | static void maybe_start_thread () |
|
|
564 | { |
|
|
565 | if (started >= wanted) |
|
|
566 | return; |
|
|
567 | |
|
|
568 | /* todo: maybe use idle here, but might be less exact */ |
|
|
569 | if ((int)nready <= (int)started - (int)(nreqs - get_nready () - get_npending ())) |
|
|
570 | return; |
|
|
571 | |
|
|
572 | start_thread (); |
|
|
573 | } |
|
|
574 | |
|
|
575 | static void req_send (aio_req req) |
|
|
576 | { |
|
|
577 | ++nreqs; |
|
|
578 | |
|
|
579 | LOCK (reqlock); |
|
|
580 | ++nready; |
|
|
581 | reqq_push (&req_queue, req); |
|
|
582 | pthread_cond_signal (&reqwait); |
|
|
583 | UNLOCK (reqlock); |
|
|
584 | |
|
|
585 | maybe_start_thread (); |
|
|
586 | } |
|
|
587 | |
|
|
588 | static void end_thread (void) |
|
|
589 | { |
|
|
590 | aio_req req; |
|
|
591 | |
|
|
592 | Newz (0, req, 1, aio_cb); |
|
|
593 | |
|
|
594 | req->type = REQ_QUIT; |
|
|
595 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
596 | |
|
|
597 | LOCK (reqlock); |
|
|
598 | reqq_push (&req_queue, req); |
|
|
599 | pthread_cond_signal (&reqwait); |
|
|
600 | UNLOCK (reqlock); |
|
|
601 | |
|
|
602 | LOCK (wrklock); |
|
|
603 | --started; |
|
|
604 | UNLOCK (wrklock); |
|
|
605 | } |
|
|
606 | |
|
|
607 | static void min_parallel (int nthreads) |
|
|
608 | { |
|
|
609 | if (wanted < nthreads) |
|
|
610 | wanted = nthreads; |
|
|
611 | } |
|
|
612 | |
|
|
613 | static void max_parallel (int nthreads) |
|
|
614 | { |
|
|
615 | if (wanted > nthreads) |
|
|
616 | wanted = nthreads; |
|
|
617 | |
|
|
618 | while (started > wanted) |
|
|
619 | end_thread (); |
|
|
620 | } |
|
|
621 | |
|
|
622 | static void poll_wait () |
679 | static void poll_wait (void) |
623 | { |
680 | { |
624 | fd_set rfd; |
|
|
625 | |
|
|
626 | while (nreqs) |
681 | while (eio_nreqs ()) |
627 | { |
682 | { |
628 | int size; |
683 | int size; |
629 | if (WORDREAD_UNSAFE) LOCK (reslock); |
684 | |
|
|
685 | X_LOCK (reslock); |
630 | size = res_queue.size; |
686 | size = res_queue.size; |
631 | if (WORDREAD_UNSAFE) UNLOCK (reslock); |
687 | X_UNLOCK (reslock); |
632 | |
688 | |
633 | if (size) |
689 | if (size) |
634 | return; |
690 | return; |
635 | |
691 | |
636 | maybe_start_thread (); |
692 | etp_maybe_start_thread (); |
637 | |
693 | |
638 | FD_ZERO(&rfd); |
694 | s_epipe_wait (&respipe); |
639 | FD_SET(respipe [0], &rfd); |
|
|
640 | |
|
|
641 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
642 | } |
695 | } |
643 | } |
696 | } |
644 | |
697 | |
645 | static int poll_cb (int max) |
698 | static int poll_cb (void) |
646 | { |
699 | { |
647 | dSP; |
|
|
648 | int count = 0; |
|
|
649 | int do_croak = 0; |
|
|
650 | aio_req req; |
|
|
651 | |
|
|
652 | for (;;) |
700 | for (;;) |
653 | { |
701 | { |
654 | while (max <= 0 || count < max) |
702 | int res = eio_poll (); |
655 | { |
|
|
656 | maybe_start_thread (); |
|
|
657 | |
703 | |
658 | LOCK (reslock); |
704 | if (res > 0) |
659 | req = reqq_shift (&res_queue); |
|
|
660 | |
|
|
661 | if (req) |
|
|
662 | { |
|
|
663 | --npending; |
|
|
664 | |
|
|
665 | if (!res_queue.size) |
|
|
666 | { |
|
|
667 | /* read any signals sent by the worker threads */ |
|
|
668 | char buf [32]; |
|
|
669 | while (read (respipe [0], buf, 32) == 32) |
|
|
670 | ; |
|
|
671 | } |
|
|
672 | } |
|
|
673 | |
|
|
674 | UNLOCK (reslock); |
|
|
675 | |
|
|
676 | if (!req) |
|
|
677 | break; |
|
|
678 | |
|
|
679 | --nreqs; |
|
|
680 | |
|
|
681 | if (req->type == REQ_GROUP && req->length) |
|
|
682 | { |
|
|
683 | req->fd = 1; /* mark request as delayed */ |
|
|
684 | continue; |
|
|
685 | } |
|
|
686 | else |
|
|
687 | { |
|
|
688 | if (req->type == REQ_READ) |
|
|
689 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
690 | |
|
|
691 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
692 | SvREADONLY_off (req->data); |
|
|
693 | |
|
|
694 | if (req->statdata) |
|
|
695 | { |
|
|
696 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
697 | PL_laststatval = req->result; |
|
|
698 | PL_statcache = *(req->statdata); |
|
|
699 | } |
|
|
700 | |
|
|
701 | req_invoke (req); |
|
|
702 | |
|
|
703 | count++; |
|
|
704 | } |
|
|
705 | |
|
|
706 | req_free (req); |
|
|
707 | } |
|
|
708 | |
|
|
709 | if (nreqs <= max_outstanding) |
|
|
710 | break; |
705 | croak (0); |
|
|
706 | |
|
|
707 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
708 | return res; |
711 | |
709 | |
712 | poll_wait (); |
710 | poll_wait (); |
713 | |
|
|
714 | max = 0; |
|
|
715 | } |
711 | } |
716 | |
|
|
717 | return count; |
|
|
718 | } |
712 | } |
719 | |
713 | |
720 | static void create_pipe () |
714 | static void atfork_child (void) |
721 | { |
715 | { |
722 | if (pipe (respipe)) |
716 | create_respipe (); |
723 | croak ("unable to initialize result pipe"); |
|
|
724 | |
|
|
725 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
|
|
726 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
727 | |
|
|
728 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
|
|
729 | croak ("cannot set result pipe to nonblocking mode"); |
|
|
730 | } |
717 | } |
731 | |
718 | |
732 | /*****************************************************************************/ |
719 | /*****************************************************************************/ |
733 | /* work around various missing functions */ |
|
|
734 | |
720 | |
735 | #if !HAVE_PREADWRITE |
721 | #if !_POSIX_MAPPED_FILES |
736 | # define pread aio_pread |
722 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
737 | # define pwrite aio_pwrite |
723 | # define munmap(addr,length) (errno = ENOSYS, -1) |
738 | |
|
|
739 | /* |
|
|
740 | * make our pread/pwrite safe against themselves, but not against |
|
|
741 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
742 | * but that's your problem, not mine. |
|
|
743 | */ |
|
|
744 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
|
|
745 | |
|
|
746 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
747 | { |
|
|
748 | ssize_t res; |
|
|
749 | off_t ooffset; |
|
|
750 | |
|
|
751 | LOCK (preadwritelock); |
|
|
752 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
753 | lseek (fd, offset, SEEK_SET); |
|
|
754 | res = read (fd, buf, count); |
|
|
755 | lseek (fd, ooffset, SEEK_SET); |
|
|
756 | UNLOCK (preadwritelock); |
|
|
757 | |
|
|
758 | return res; |
|
|
759 | } |
|
|
760 | |
|
|
761 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
762 | { |
|
|
763 | ssize_t res; |
|
|
764 | off_t ooffset; |
|
|
765 | |
|
|
766 | LOCK (preadwritelock); |
|
|
767 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
768 | lseek (fd, offset, SEEK_SET); |
|
|
769 | res = write (fd, buf, count); |
|
|
770 | lseek (fd, offset, SEEK_SET); |
|
|
771 | UNLOCK (preadwritelock); |
|
|
772 | |
|
|
773 | return res; |
|
|
774 | } |
|
|
775 | #endif |
|
|
776 | |
|
|
777 | #if !HAVE_FDATASYNC |
|
|
778 | # define fdatasync fsync |
|
|
779 | #endif |
|
|
780 | |
|
|
781 | #if !HAVE_READAHEAD |
|
|
782 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
|
|
783 | |
|
|
784 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
|
|
785 | { |
|
|
786 | dBUF; |
|
|
787 | |
|
|
788 | while (count > 0) |
|
|
789 | { |
|
|
790 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
|
|
791 | |
|
|
792 | pread (fd, aio_buf, len, offset); |
|
|
793 | offset += len; |
|
|
794 | count -= len; |
|
|
795 | } |
|
|
796 | |
|
|
797 | errno = 0; |
|
|
798 | } |
|
|
799 | |
|
|
800 | #endif |
|
|
801 | |
|
|
802 | #if !HAVE_READDIR_R |
|
|
803 | # define readdir_r aio_readdir_r |
|
|
804 | |
|
|
805 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
|
|
806 | |
|
|
807 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
|
|
808 | { |
|
|
809 | struct dirent *e; |
|
|
810 | int errorno; |
|
|
811 | |
|
|
812 | LOCK (readdirlock); |
|
|
813 | |
|
|
814 | e = readdir (dirp); |
|
|
815 | errorno = errno; |
|
|
816 | |
|
|
817 | if (e) |
|
|
818 | { |
|
|
819 | *res = ent; |
|
|
820 | strcpy (ent->d_name, e->d_name); |
|
|
821 | } |
|
|
822 | else |
|
|
823 | *res = 0; |
|
|
824 | |
|
|
825 | UNLOCK (readdirlock); |
|
|
826 | |
|
|
827 | errno = errorno; |
|
|
828 | return e ? 0 : -1; |
|
|
829 | } |
|
|
830 | #endif |
|
|
831 | |
|
|
832 | /* sendfile always needs emulation */ |
|
|
833 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
|
|
834 | { |
|
|
835 | ssize_t res; |
|
|
836 | |
|
|
837 | if (!count) |
|
|
838 | return 0; |
|
|
839 | |
|
|
840 | #if HAVE_SENDFILE |
|
|
841 | # if __linux |
|
|
842 | res = sendfile (ofd, ifd, &offset, count); |
|
|
843 | |
|
|
844 | # elif __freebsd |
|
|
845 | /* |
|
|
846 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
847 | * wasted on making it similar to other I/O functions. |
|
|
848 | */ |
|
|
849 | { |
|
|
850 | off_t sbytes; |
|
|
851 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
852 | |
|
|
853 | if (res < 0 && sbytes) |
|
|
854 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
|
|
855 | res = sbytes; |
|
|
856 | } |
|
|
857 | |
|
|
858 | # elif __hpux |
|
|
859 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
860 | |
|
|
861 | # elif __solaris |
|
|
862 | { |
|
|
863 | struct sendfilevec vec; |
|
|
864 | size_t sbytes; |
|
|
865 | |
|
|
866 | vec.sfv_fd = ifd; |
|
|
867 | vec.sfv_flag = 0; |
|
|
868 | vec.sfv_off = offset; |
|
|
869 | vec.sfv_len = count; |
|
|
870 | |
|
|
871 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
872 | |
|
|
873 | if (res < 0 && sbytes) |
|
|
874 | res = sbytes; |
|
|
875 | } |
|
|
876 | |
|
|
877 | # endif |
724 | #endif |
878 | #else |
|
|
879 | res = -1; |
|
|
880 | errno = ENOSYS; |
|
|
881 | #endif |
|
|
882 | |
725 | |
883 | if (res < 0 |
726 | #if !_POSIX_MEMORY_PROTECTION |
884 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
727 | # define mprotect(addr,len,prot) (errno = ENOSYS, -1) |
885 | #if __solaris |
728 | # define PROT_NONE 0 |
886 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
729 | # define PROT_WRITE 0 |
|
|
730 | # define MAP_PRIVATE 0 |
|
|
731 | # define MAP_SHARED 0 |
|
|
732 | # define MAP_FIXED 0 |
887 | #endif |
733 | #endif |
888 | ) |
|
|
889 | ) |
|
|
890 | { |
|
|
891 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
892 | dBUF; |
|
|
893 | |
734 | |
894 | res = 0; |
735 | #define MMAP_MAGIC PERL_MAGIC_ext |
895 | |
736 | |
896 | while (count) |
737 | static int |
897 | { |
738 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
898 | ssize_t cnt; |
739 | { |
899 | |
740 | int old_errno = errno; |
900 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
741 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
742 | errno = old_errno; |
901 | |
743 | |
902 | if (cnt <= 0) |
744 | mg->mg_obj = 0; /* just in case */ |
903 | { |
|
|
904 | if (cnt && !res) res = -1; |
|
|
905 | break; |
|
|
906 | } |
|
|
907 | |
745 | |
908 | cnt = write (ofd, aio_buf, cnt); |
746 | SvREADONLY_off (sv); |
909 | |
747 | |
910 | if (cnt <= 0) |
748 | if (SvPVX (sv) != mg->mg_ptr) |
911 | { |
749 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
912 | if (cnt && !res) res = -1; |
|
|
913 | break; |
|
|
914 | } |
|
|
915 | |
750 | |
916 | offset += cnt; |
751 | SvCUR_set (sv, 0); |
917 | res += cnt; |
752 | SvPVX (sv) = 0; |
918 | count -= cnt; |
753 | SvOK_off (sv); |
919 | } |
|
|
920 | } |
|
|
921 | |
754 | |
922 | return res; |
755 | return 0; |
923 | } |
756 | } |
924 | |
757 | |
925 | /* read a full directory */ |
758 | static MGVTBL mmap_vtbl = { |
926 | static void scandir_ (aio_req req, worker *self) |
759 | 0, 0, 0, 0, mmap_free |
927 | { |
760 | }; |
928 | DIR *dirp; |
|
|
929 | union |
|
|
930 | { |
|
|
931 | struct dirent d; |
|
|
932 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
|
|
933 | } *u; |
|
|
934 | struct dirent *entp; |
|
|
935 | char *name, *names; |
|
|
936 | int memlen = 4096; |
|
|
937 | int memofs = 0; |
|
|
938 | int res = 0; |
|
|
939 | int errorno; |
|
|
940 | |
|
|
941 | LOCK (wrklock); |
|
|
942 | self->dirp = dirp = opendir (req->dataptr); |
|
|
943 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
944 | req->data2ptr = names = malloc (memlen); |
|
|
945 | UNLOCK (wrklock); |
|
|
946 | |
|
|
947 | if (dirp && u && names) |
|
|
948 | for (;;) |
|
|
949 | { |
|
|
950 | errno = 0; |
|
|
951 | readdir_r (dirp, &u->d, &entp); |
|
|
952 | |
|
|
953 | if (!entp) |
|
|
954 | break; |
|
|
955 | |
|
|
956 | name = entp->d_name; |
|
|
957 | |
|
|
958 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
959 | { |
|
|
960 | int len = strlen (name) + 1; |
|
|
961 | |
|
|
962 | res++; |
|
|
963 | |
|
|
964 | while (memofs + len > memlen) |
|
|
965 | { |
|
|
966 | memlen *= 2; |
|
|
967 | LOCK (wrklock); |
|
|
968 | req->data2ptr = names = realloc (names, memlen); |
|
|
969 | UNLOCK (wrklock); |
|
|
970 | |
|
|
971 | if (!names) |
|
|
972 | break; |
|
|
973 | } |
|
|
974 | |
|
|
975 | memcpy (names + memofs, name, len); |
|
|
976 | memofs += len; |
|
|
977 | } |
|
|
978 | } |
|
|
979 | |
|
|
980 | if (errno) |
|
|
981 | res = -1; |
|
|
982 | |
|
|
983 | req->result = res; |
|
|
984 | } |
|
|
985 | |
761 | |
986 | /*****************************************************************************/ |
762 | /*****************************************************************************/ |
987 | |
763 | |
988 | static void *aio_proc (void *thr_arg) |
764 | static SV * |
|
|
765 | get_cb (SV *cb_sv) |
989 | { |
766 | { |
990 | aio_req req; |
767 | SvGETMAGIC (cb_sv); |
991 | struct timespec ts; |
768 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
992 | worker *self = (worker *)thr_arg; |
|
|
993 | |
|
|
994 | /* try to distribute timeouts somewhat evenly */ |
|
|
995 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
996 | * (1000000000UL / 1024UL); |
|
|
997 | |
|
|
998 | for (;;) |
|
|
999 | { |
|
|
1000 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1001 | |
|
|
1002 | LOCK (reqlock); |
|
|
1003 | |
|
|
1004 | for (;;) |
|
|
1005 | { |
|
|
1006 | self->req = req = reqq_shift (&req_queue); |
|
|
1007 | |
|
|
1008 | if (req) |
|
|
1009 | break; |
|
|
1010 | |
|
|
1011 | ++idle; |
|
|
1012 | |
|
|
1013 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
|
|
1014 | == ETIMEDOUT) |
|
|
1015 | { |
|
|
1016 | if (idle > max_idle) |
|
|
1017 | { |
|
|
1018 | --idle; |
|
|
1019 | UNLOCK (reqlock); |
|
|
1020 | LOCK (wrklock); |
|
|
1021 | --started; |
|
|
1022 | UNLOCK (wrklock); |
|
|
1023 | goto quit; |
|
|
1024 | } |
|
|
1025 | |
|
|
1026 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1027 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
1028 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1029 | } |
|
|
1030 | |
|
|
1031 | --idle; |
|
|
1032 | } |
|
|
1033 | |
|
|
1034 | --nready; |
|
|
1035 | |
|
|
1036 | UNLOCK (reqlock); |
|
|
1037 | |
|
|
1038 | errno = 0; /* strictly unnecessary */ |
|
|
1039 | |
|
|
1040 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
1041 | switch (req->type) |
|
|
1042 | { |
|
|
1043 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
1044 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
1045 | |
|
|
1046 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
1047 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
|
|
1048 | |
|
|
1049 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
1050 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
1051 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
1052 | |
|
|
1053 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
1054 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
1055 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
1056 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
|
|
1057 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
|
|
1058 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
|
|
1059 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
1060 | case REQ_MKNOD: req->result = mknod (req->data2ptr, req->mode, (dev_t)req->offset); break; |
|
|
1061 | |
|
|
1062 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
|
|
1063 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
1064 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
1065 | |
|
|
1066 | case REQ_BUSY: |
|
|
1067 | { |
|
|
1068 | struct timeval tv; |
|
|
1069 | |
|
|
1070 | tv.tv_sec = req->fd; |
|
|
1071 | tv.tv_usec = req->fd2; |
|
|
1072 | |
|
|
1073 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1074 | } |
|
|
1075 | |
|
|
1076 | case REQ_GROUP: |
|
|
1077 | case REQ_NOP: |
|
|
1078 | break; |
|
|
1079 | |
|
|
1080 | case REQ_QUIT: |
|
|
1081 | goto quit; |
|
|
1082 | |
|
|
1083 | default: |
|
|
1084 | req->result = ENOSYS; |
|
|
1085 | break; |
|
|
1086 | } |
|
|
1087 | |
|
|
1088 | req->errorno = errno; |
|
|
1089 | |
|
|
1090 | LOCK (reslock); |
|
|
1091 | |
|
|
1092 | ++npending; |
|
|
1093 | |
|
|
1094 | if (!reqq_push (&res_queue, req)) |
|
|
1095 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
1096 | write (respipe [1], &respipe, 1); |
|
|
1097 | |
|
|
1098 | self->req = 0; |
|
|
1099 | worker_clear (self); |
|
|
1100 | |
|
|
1101 | UNLOCK (reslock); |
|
|
1102 | } |
|
|
1103 | |
|
|
1104 | quit: |
|
|
1105 | LOCK (wrklock); |
|
|
1106 | worker_free (self); |
|
|
1107 | UNLOCK (wrklock); |
|
|
1108 | |
|
|
1109 | return 0; |
|
|
1110 | } |
|
|
1111 | |
|
|
1112 | /*****************************************************************************/ |
|
|
1113 | |
|
|
1114 | static void atfork_prepare (void) |
|
|
1115 | { |
|
|
1116 | LOCK (wrklock); |
|
|
1117 | LOCK (reqlock); |
|
|
1118 | LOCK (reslock); |
|
|
1119 | #if !HAVE_PREADWRITE |
|
|
1120 | LOCK (preadwritelock); |
|
|
1121 | #endif |
|
|
1122 | #if !HAVE_READDIR_R |
|
|
1123 | LOCK (readdirlock); |
|
|
1124 | #endif |
|
|
1125 | } |
|
|
1126 | |
|
|
1127 | static void atfork_parent (void) |
|
|
1128 | { |
|
|
1129 | #if !HAVE_READDIR_R |
|
|
1130 | UNLOCK (readdirlock); |
|
|
1131 | #endif |
|
|
1132 | #if !HAVE_PREADWRITE |
|
|
1133 | UNLOCK (preadwritelock); |
|
|
1134 | #endif |
|
|
1135 | UNLOCK (reslock); |
|
|
1136 | UNLOCK (reqlock); |
|
|
1137 | UNLOCK (wrklock); |
|
|
1138 | } |
|
|
1139 | |
|
|
1140 | static void atfork_child (void) |
|
|
1141 | { |
|
|
1142 | aio_req prv; |
|
|
1143 | |
|
|
1144 | while (prv = reqq_shift (&req_queue)) |
|
|
1145 | req_free (prv); |
|
|
1146 | |
|
|
1147 | while (prv = reqq_shift (&res_queue)) |
|
|
1148 | req_free (prv); |
|
|
1149 | |
|
|
1150 | while (wrk_first.next != &wrk_first) |
|
|
1151 | { |
|
|
1152 | worker *wrk = wrk_first.next; |
|
|
1153 | |
|
|
1154 | if (wrk->req) |
|
|
1155 | req_free (wrk->req); |
|
|
1156 | |
|
|
1157 | worker_clear (wrk); |
|
|
1158 | worker_free (wrk); |
|
|
1159 | } |
|
|
1160 | |
|
|
1161 | started = 0; |
|
|
1162 | idle = 0; |
|
|
1163 | nreqs = 0; |
|
|
1164 | nready = 0; |
|
|
1165 | npending = 0; |
|
|
1166 | |
|
|
1167 | close (respipe [0]); |
|
|
1168 | close (respipe [1]); |
|
|
1169 | create_pipe (); |
|
|
1170 | |
|
|
1171 | atfork_parent (); |
|
|
1172 | } |
769 | } |
1173 | |
770 | |
1174 | #define dREQ \ |
771 | #define dREQ \ |
|
|
772 | SV *cb_cv; \ |
1175 | aio_req req; \ |
773 | aio_req req; \ |
1176 | int req_pri = next_pri; \ |
774 | int req_pri = next_pri; \ |
1177 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
775 | next_pri = EIO_PRI_DEFAULT; \ |
1178 | \ |
776 | \ |
1179 | if (SvOK (callback) && !SvROK (callback)) \ |
777 | cb_cv = get_cb (callback); \ |
1180 | croak ("callback must be undef or of reference type"); \ |
|
|
1181 | \ |
778 | \ |
1182 | Newz (0, req, 1, aio_cb); \ |
779 | Newz (0, req, 1, eio_req); \ |
1183 | if (!req) \ |
780 | if (!req) \ |
1184 | croak ("out of memory during aio_req allocation"); \ |
781 | croak ("out of memory during eio_req allocation"); \ |
1185 | \ |
782 | \ |
1186 | req->callback = newSVsv (callback); \ |
783 | req->callback = SvREFCNT_inc (cb_cv); \ |
1187 | req->pri = req_pri |
784 | req->pri = req_pri |
1188 | |
785 | |
1189 | #define REQ_SEND \ |
786 | #define REQ_SEND \ |
|
|
787 | PUTBACK; \ |
1190 | req_send (req); \ |
788 | req_submit (req); \ |
|
|
789 | SPAGAIN; \ |
1191 | \ |
790 | \ |
1192 | if (GIMME_V != G_VOID) \ |
791 | if (GIMME_V != G_VOID) \ |
1193 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
792 | XPUSHs (req_sv (req, aio_req_stash)); |
1194 | |
793 | |
1195 | MODULE = IO::AIO PACKAGE = IO::AIO |
794 | MODULE = IO::AIO PACKAGE = IO::AIO |
1196 | |
795 | |
1197 | PROTOTYPES: ENABLE |
796 | PROTOTYPES: ENABLE |
1198 | |
797 | |
1199 | BOOT: |
798 | BOOT: |
1200 | { |
799 | { |
|
|
800 | static const struct { |
|
|
801 | const char *name; |
|
|
802 | IV iv; |
|
|
803 | } *civ, const_iv[] = { |
|
|
804 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
805 | # define const_iv(name) { # name, (IV) name }, |
|
|
806 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
|
|
807 | const_iv (EXDEV) |
|
|
808 | const_iv (ENOSYS) |
|
|
809 | const_iv (O_RDONLY) |
|
|
810 | const_iv (O_WRONLY) |
|
|
811 | const_iv (O_RDWR) |
|
|
812 | const_iv (O_CREAT) |
|
|
813 | const_iv (O_TRUNC) |
|
|
814 | const_iv (O_EXCL) |
|
|
815 | const_iv (O_APPEND) |
|
|
816 | |
|
|
817 | const_iv (O_ASYNC) |
|
|
818 | const_iv (O_DIRECT) |
|
|
819 | const_iv (O_NOATIME) |
|
|
820 | |
|
|
821 | const_iv (O_CLOEXEC) |
|
|
822 | const_iv (O_NOCTTY) |
|
|
823 | const_iv (O_NOFOLLOW) |
|
|
824 | const_iv (O_NONBLOCK) |
|
|
825 | const_iv (O_EXEC) |
|
|
826 | const_iv (O_SEARCH) |
|
|
827 | const_iv (O_DIRECTORY) |
|
|
828 | const_iv (O_DSYNC) |
|
|
829 | const_iv (O_RSYNC) |
|
|
830 | const_iv (O_SYNC) |
|
|
831 | const_iv (O_TTY_INIT) |
|
|
832 | |
|
|
833 | const_iv (S_IFIFO) |
|
|
834 | const_iv (S_IFCHR) |
|
|
835 | const_iv (S_IFBLK) |
|
|
836 | const_iv (S_IFLNK) |
|
|
837 | const_iv (S_IFREG) |
|
|
838 | const_iv (S_IFDIR) |
|
|
839 | const_iv (S_IFWHT) |
|
|
840 | const_iv (S_IFSOCK) |
|
|
841 | const_iv (S_IFMT) |
|
|
842 | |
|
|
843 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
844 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
845 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
846 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
847 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
848 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
849 | |
|
|
850 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
851 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
852 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
853 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
854 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
855 | |
|
|
856 | const_iv (ST_RDONLY) |
|
|
857 | const_iv (ST_NOSUID) |
|
|
858 | const_iv (ST_NODEV) |
|
|
859 | const_iv (ST_NOEXEC) |
|
|
860 | const_iv (ST_SYNCHRONOUS) |
|
|
861 | const_iv (ST_MANDLOCK) |
|
|
862 | const_iv (ST_WRITE) |
|
|
863 | const_iv (ST_APPEND) |
|
|
864 | const_iv (ST_IMMUTABLE) |
|
|
865 | const_iv (ST_NOATIME) |
|
|
866 | const_iv (ST_NODIRATIME) |
|
|
867 | const_iv (ST_RELATIME) |
|
|
868 | |
|
|
869 | const_iv (PROT_NONE) |
|
|
870 | const_iv (PROT_EXEC) |
|
|
871 | const_iv (PROT_READ) |
|
|
872 | const_iv (PROT_WRITE) |
|
|
873 | |
|
|
874 | /*const_iv (MAP_FIXED)*/ |
|
|
875 | const_iv (MAP_PRIVATE) |
|
|
876 | const_iv (MAP_SHARED) |
|
|
877 | const_iv (MAP_ANONYMOUS) |
|
|
878 | |
|
|
879 | /* linuxish */ |
|
|
880 | const_iv (MAP_HUGETLB) |
|
|
881 | const_iv (MAP_LOCKED) |
|
|
882 | const_iv (MAP_NORESERVE) |
|
|
883 | const_iv (MAP_POPULATE) |
|
|
884 | const_iv (MAP_NONBLOCK) |
|
|
885 | |
|
|
886 | const_eio (MCL_FUTURE) |
|
|
887 | const_eio (MCL_CURRENT) |
|
|
888 | |
|
|
889 | const_eio (MS_ASYNC) |
|
|
890 | const_eio (MS_INVALIDATE) |
|
|
891 | const_eio (MS_SYNC) |
|
|
892 | |
|
|
893 | const_eio (MT_MODIFY) |
|
|
894 | |
|
|
895 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
896 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
897 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
898 | |
|
|
899 | const_eio (READDIR_DENTS) |
|
|
900 | const_eio (READDIR_DIRS_FIRST) |
|
|
901 | const_eio (READDIR_STAT_ORDER) |
|
|
902 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
903 | |
|
|
904 | const_eio (DT_UNKNOWN) |
|
|
905 | const_eio (DT_FIFO) |
|
|
906 | const_eio (DT_CHR) |
|
|
907 | const_eio (DT_DIR) |
|
|
908 | const_eio (DT_BLK) |
|
|
909 | const_eio (DT_REG) |
|
|
910 | const_eio (DT_LNK) |
|
|
911 | const_eio (DT_SOCK) |
|
|
912 | const_eio (DT_WHT) |
|
|
913 | }; |
|
|
914 | |
1201 | HV *stash = gv_stashpv ("IO::AIO", 1); |
915 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
916 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
917 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
1202 | |
918 | |
1203 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
919 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
1204 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
920 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
1205 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1206 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1207 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1208 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1209 | |
921 | |
|
|
922 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
|
|
923 | |
1210 | create_pipe (); |
924 | create_respipe (); |
1211 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
|
|
1212 | } |
|
|
1213 | |
925 | |
1214 | void |
926 | if (eio_init (want_poll, done_poll) < 0) |
1215 | min_parallel (int nthreads) |
927 | croak ("IO::AIO: unable to initialise eio library"); |
1216 | PROTOTYPE: $ |
|
|
1217 | |
928 | |
1218 | void |
929 | /* atfork child called in fifo order, so before eio's handler */ |
1219 | max_parallel (int nthreads) |
930 | X_THREAD_ATFORK (0, 0, atfork_child); |
1220 | PROTOTYPE: $ |
931 | } |
1221 | |
932 | |
1222 | int |
933 | void |
1223 | max_outstanding (int maxreqs) |
934 | max_poll_reqs (unsigned int nreqs) |
1224 | PROTOTYPE: $ |
935 | PROTOTYPE: $ |
1225 | CODE: |
936 | CODE: |
1226 | RETVAL = max_outstanding; |
937 | eio_set_max_poll_reqs (nreqs); |
|
|
938 | |
|
|
939 | void |
|
|
940 | max_poll_time (double nseconds) |
|
|
941 | PROTOTYPE: $ |
|
|
942 | CODE: |
|
|
943 | eio_set_max_poll_time (nseconds); |
|
|
944 | |
|
|
945 | void |
|
|
946 | min_parallel (unsigned int nthreads) |
|
|
947 | PROTOTYPE: $ |
|
|
948 | CODE: |
|
|
949 | eio_set_min_parallel (nthreads); |
|
|
950 | |
|
|
951 | void |
|
|
952 | max_parallel (unsigned int nthreads) |
|
|
953 | PROTOTYPE: $ |
|
|
954 | CODE: |
|
|
955 | eio_set_max_parallel (nthreads); |
|
|
956 | |
|
|
957 | void |
|
|
958 | max_idle (unsigned int nthreads) |
|
|
959 | PROTOTYPE: $ |
|
|
960 | CODE: |
|
|
961 | eio_set_max_idle (nthreads); |
|
|
962 | |
|
|
963 | void |
|
|
964 | idle_timeout (unsigned int seconds) |
|
|
965 | PROTOTYPE: $ |
|
|
966 | CODE: |
|
|
967 | eio_set_idle_timeout (seconds); |
|
|
968 | |
|
|
969 | void |
|
|
970 | max_outstanding (unsigned int maxreqs) |
|
|
971 | PROTOTYPE: $ |
|
|
972 | CODE: |
1227 | max_outstanding = maxreqs; |
973 | max_outstanding = maxreqs; |
1228 | OUTPUT: |
|
|
1229 | RETVAL |
|
|
1230 | |
974 | |
1231 | void |
975 | void |
1232 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
976 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1233 | SV * pathname |
|
|
1234 | int flags |
|
|
1235 | int mode |
|
|
1236 | SV * callback |
|
|
1237 | PROTOTYPE: $$$;$ |
|
|
1238 | PPCODE: |
977 | PPCODE: |
1239 | { |
978 | { |
1240 | dREQ; |
979 | dREQ; |
1241 | |
980 | |
1242 | req->type = REQ_OPEN; |
981 | req->type = EIO_OPEN; |
1243 | req->data = newSVsv (pathname); |
982 | req->sv1 = newSVsv (pathname); |
1244 | req->dataptr = SvPVbyte_nolen (req->data); |
983 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1245 | req->fd = flags; |
984 | req->int1 = flags; |
1246 | req->mode = mode; |
985 | req->int2 = mode; |
1247 | |
986 | |
1248 | REQ_SEND; |
987 | REQ_SEND; |
1249 | } |
988 | } |
1250 | |
989 | |
1251 | void |
990 | void |
1252 | aio_close (fh,callback=&PL_sv_undef) |
991 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1253 | SV * fh |
|
|
1254 | SV * callback |
|
|
1255 | PROTOTYPE: $;$ |
|
|
1256 | ALIAS: |
992 | ALIAS: |
1257 | aio_close = REQ_CLOSE |
|
|
1258 | aio_fsync = REQ_FSYNC |
993 | aio_fsync = EIO_FSYNC |
1259 | aio_fdatasync = REQ_FDATASYNC |
994 | aio_fdatasync = EIO_FDATASYNC |
1260 | PPCODE: |
995 | PPCODE: |
1261 | { |
996 | { |
|
|
997 | int fd = s_fileno_croak (fh, 0); |
1262 | dREQ; |
998 | dREQ; |
1263 | |
999 | |
1264 | req->type = ix; |
1000 | req->type = ix; |
1265 | req->fh = newSVsv (fh); |
1001 | req->sv1 = newSVsv (fh); |
1266 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1002 | req->int1 = fd; |
1267 | |
1003 | |
1268 | REQ_SEND (req); |
1004 | REQ_SEND (req); |
1269 | } |
1005 | } |
1270 | |
1006 | |
1271 | void |
1007 | void |
|
|
1008 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
|
|
1009 | PPCODE: |
|
|
1010 | { |
|
|
1011 | int fd = s_fileno_croak (fh, 0); |
|
|
1012 | dREQ; |
|
|
1013 | |
|
|
1014 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
1015 | req->sv1 = newSVsv (fh); |
|
|
1016 | req->int1 = fd; |
|
|
1017 | req->offs = offset; |
|
|
1018 | req->size = nbytes; |
|
|
1019 | req->int2 = flags; |
|
|
1020 | |
|
|
1021 | REQ_SEND (req); |
|
|
1022 | } |
|
|
1023 | |
|
|
1024 | void |
|
|
1025 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
1026 | PPCODE: |
|
|
1027 | { |
|
|
1028 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
1029 | int fd = s_fileno_croak (fh, 0); |
|
|
1030 | dREQ; |
|
|
1031 | |
|
|
1032 | if (close_pipe < 0) |
|
|
1033 | { |
|
|
1034 | int pipefd [2]; |
|
|
1035 | |
|
|
1036 | if (pipe (pipefd) < 0 |
|
|
1037 | || close (pipefd [1]) < 0 |
|
|
1038 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
|
|
1039 | abort (); /*D*/ |
|
|
1040 | |
|
|
1041 | close_pipe = pipefd [0]; |
|
|
1042 | } |
|
|
1043 | |
|
|
1044 | req->type = EIO_DUP2; |
|
|
1045 | req->int1 = close_pipe; |
|
|
1046 | req->sv2 = newSVsv (fh); |
|
|
1047 | req->int2 = fd; |
|
|
1048 | |
|
|
1049 | REQ_SEND (req); |
|
|
1050 | } |
|
|
1051 | |
|
|
1052 | void |
1272 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1053 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1273 | SV * fh |
|
|
1274 | UV offset |
|
|
1275 | UV length |
|
|
1276 | SV * data |
|
|
1277 | UV dataoffset |
|
|
1278 | SV * callback |
|
|
1279 | ALIAS: |
1054 | ALIAS: |
1280 | aio_read = REQ_READ |
1055 | aio_read = EIO_READ |
1281 | aio_write = REQ_WRITE |
1056 | aio_write = EIO_WRITE |
1282 | PROTOTYPE: $$$$$;$ |
|
|
1283 | PPCODE: |
1057 | PPCODE: |
1284 | { |
1058 | { |
1285 | aio_req req; |
|
|
1286 | STRLEN svlen; |
1059 | STRLEN svlen; |
|
|
1060 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1287 | char *svptr = SvPVbyte (data, svlen); |
1061 | char *svptr = SvPVbyte (data, svlen); |
1288 | |
1062 | UV len = SvUV (length); |
1289 | SvUPGRADE (data, SVt_PV); |
|
|
1290 | SvPOK_on (data); |
|
|
1291 | |
1063 | |
1292 | if (dataoffset < 0) |
1064 | if (dataoffset < 0) |
1293 | dataoffset += svlen; |
1065 | dataoffset += svlen; |
1294 | |
1066 | |
1295 | if (dataoffset < 0 || dataoffset > svlen) |
1067 | if (dataoffset < 0 || dataoffset > svlen) |
1296 | croak ("data offset outside of string"); |
1068 | croak ("dataoffset outside of data scalar"); |
1297 | |
1069 | |
1298 | if (ix == REQ_WRITE) |
1070 | if (ix == EIO_WRITE) |
1299 | { |
1071 | { |
1300 | /* write: check length and adjust. */ |
1072 | /* write: check length and adjust. */ |
1301 | if (length < 0 || length + dataoffset > svlen) |
1073 | if (!SvOK (length) || len + dataoffset > svlen) |
1302 | length = svlen - dataoffset; |
1074 | len = svlen - dataoffset; |
1303 | } |
1075 | } |
1304 | else |
1076 | else |
1305 | { |
1077 | { |
1306 | /* read: grow scalar as necessary */ |
1078 | /* read: check type and grow scalar as necessary */ |
|
|
1079 | SvUPGRADE (data, SVt_PV); |
1307 | svptr = SvGROW (data, length + dataoffset); |
1080 | svptr = SvGROW (data, len + dataoffset + 1); |
1308 | } |
1081 | } |
1309 | |
|
|
1310 | if (length < 0) |
|
|
1311 | croak ("length must not be negative"); |
|
|
1312 | |
1082 | |
1313 | { |
1083 | { |
1314 | dREQ; |
1084 | dREQ; |
1315 | |
1085 | |
1316 | req->type = ix; |
1086 | req->type = ix; |
1317 | req->fh = newSVsv (fh); |
1087 | req->sv1 = newSVsv (fh); |
1318 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1088 | req->int1 = fd; |
1319 | : IoOFP (sv_2io (fh))); |
1089 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1320 | req->offset = offset; |
1090 | req->size = len; |
1321 | req->length = length; |
|
|
1322 | req->data = SvREFCNT_inc (data); |
1091 | req->sv2 = SvREFCNT_inc (data); |
1323 | req->dataptr = (char *)svptr + dataoffset; |
1092 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
1093 | req->stroffset = dataoffset; |
1324 | |
1094 | |
1325 | if (!SvREADONLY (data)) |
1095 | if (!SvREADONLY (data)) |
1326 | { |
1096 | { |
1327 | SvREADONLY_on (data); |
1097 | SvREADONLY_on (data); |
1328 | req->data2ptr = (void *)data; |
1098 | req->flags |= FLAG_SV2_RO_OFF; |
1329 | } |
1099 | } |
1330 | |
1100 | |
1331 | REQ_SEND; |
1101 | REQ_SEND; |
1332 | } |
1102 | } |
1333 | } |
1103 | } |
1334 | |
1104 | |
1335 | void |
1105 | void |
1336 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1106 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
1337 | SV * out_fh |
1107 | ALIAS: |
1338 | SV * in_fh |
1108 | aio_readlink = EIO_READLINK |
1339 | UV in_offset |
1109 | aio_realpath = EIO_REALPATH |
1340 | UV length |
|
|
1341 | SV * callback |
|
|
1342 | PROTOTYPE: $$$$;$ |
|
|
1343 | PPCODE: |
1110 | PPCODE: |
1344 | { |
1111 | { |
|
|
1112 | SV *data; |
|
|
1113 | dREQ; |
|
|
1114 | |
|
|
1115 | req->type = ix; |
|
|
1116 | req->sv1 = newSVsv (path); |
|
|
1117 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1118 | |
|
|
1119 | REQ_SEND; |
|
|
1120 | } |
|
|
1121 | |
|
|
1122 | void |
|
|
1123 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
|
|
1124 | PPCODE: |
|
|
1125 | { |
|
|
1126 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
1127 | int ofd = s_fileno_croak (out_fh, 1); |
1345 | dREQ; |
1128 | dREQ; |
1346 | |
1129 | |
1347 | req->type = REQ_SENDFILE; |
1130 | req->type = EIO_SENDFILE; |
1348 | req->fh = newSVsv (out_fh); |
1131 | req->sv1 = newSVsv (out_fh); |
1349 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1132 | req->int1 = ofd; |
1350 | req->fh2 = newSVsv (in_fh); |
1133 | req->sv2 = newSVsv (in_fh); |
1351 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1134 | req->int2 = ifd; |
1352 | req->offset = in_offset; |
1135 | req->offs = in_offset; |
1353 | req->length = length; |
1136 | req->size = length; |
1354 | |
1137 | |
1355 | REQ_SEND; |
1138 | REQ_SEND; |
1356 | } |
1139 | } |
1357 | |
1140 | |
1358 | void |
1141 | void |
1359 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
1142 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1360 | SV * fh |
|
|
1361 | UV offset |
|
|
1362 | IV length |
|
|
1363 | SV * callback |
|
|
1364 | PROTOTYPE: $$$;$ |
|
|
1365 | PPCODE: |
1143 | PPCODE: |
1366 | { |
1144 | { |
|
|
1145 | int fd = s_fileno_croak (fh, 0); |
1367 | dREQ; |
1146 | dREQ; |
1368 | |
1147 | |
1369 | req->type = REQ_READAHEAD; |
1148 | req->type = EIO_READAHEAD; |
1370 | req->fh = newSVsv (fh); |
1149 | req->sv1 = newSVsv (fh); |
1371 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1150 | req->int1 = fd; |
1372 | req->offset = offset; |
1151 | req->offs = offset; |
1373 | req->length = length; |
1152 | req->size = length; |
1374 | |
1153 | |
1375 | REQ_SEND; |
1154 | REQ_SEND; |
1376 | } |
1155 | } |
1377 | |
1156 | |
1378 | void |
1157 | void |
1379 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1158 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1380 | SV * fh_or_path |
|
|
1381 | SV * callback |
|
|
1382 | ALIAS: |
1159 | ALIAS: |
1383 | aio_stat = REQ_STAT |
1160 | aio_stat = EIO_STAT |
1384 | aio_lstat = REQ_LSTAT |
1161 | aio_lstat = EIO_LSTAT |
|
|
1162 | aio_statvfs = EIO_STATVFS |
1385 | PPCODE: |
1163 | PPCODE: |
1386 | { |
1164 | { |
1387 | dREQ; |
1165 | dREQ; |
1388 | |
1166 | |
1389 | New (0, req->statdata, 1, Stat_t); |
1167 | req->sv1 = newSVsv (fh_or_path); |
1390 | if (!req->statdata) |
|
|
1391 | { |
|
|
1392 | req_free (req); |
|
|
1393 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
1394 | } |
|
|
1395 | |
1168 | |
1396 | if (SvPOK (fh_or_path)) |
1169 | if (SvPOK (req->sv1)) |
1397 | { |
1170 | { |
1398 | req->type = ix; |
1171 | req->type = ix; |
1399 | req->data = newSVsv (fh_or_path); |
|
|
1400 | req->dataptr = SvPVbyte_nolen (req->data); |
1172 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1401 | } |
1173 | } |
1402 | else |
1174 | else |
1403 | { |
1175 | { |
1404 | req->type = REQ_FSTAT; |
1176 | req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT; |
1405 | req->fh = newSVsv (fh_or_path); |
|
|
1406 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1177 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1407 | } |
1178 | } |
1408 | |
1179 | |
1409 | REQ_SEND; |
1180 | REQ_SEND; |
1410 | } |
1181 | } |
1411 | |
1182 | |
|
|
1183 | UV |
|
|
1184 | major (UV dev) |
|
|
1185 | ALIAS: |
|
|
1186 | minor = 1 |
|
|
1187 | CODE: |
|
|
1188 | RETVAL = ix ? major (dev) : minor (dev); |
|
|
1189 | OUTPUT: |
|
|
1190 | RETVAL |
|
|
1191 | |
|
|
1192 | UV |
|
|
1193 | makedev (UV maj, UV min) |
|
|
1194 | CODE: |
|
|
1195 | RETVAL = makedev (maj, min); |
|
|
1196 | OUTPUT: |
|
|
1197 | RETVAL |
|
|
1198 | |
1412 | void |
1199 | void |
|
|
1200 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
1201 | PPCODE: |
|
|
1202 | { |
|
|
1203 | dREQ; |
|
|
1204 | |
|
|
1205 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1206 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1207 | req->sv1 = newSVsv (fh_or_path); |
|
|
1208 | |
|
|
1209 | if (SvPOK (req->sv1)) |
|
|
1210 | { |
|
|
1211 | req->type = EIO_UTIME; |
|
|
1212 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1213 | } |
|
|
1214 | else |
|
|
1215 | { |
|
|
1216 | req->type = EIO_FUTIME; |
|
|
1217 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1218 | } |
|
|
1219 | |
|
|
1220 | REQ_SEND; |
|
|
1221 | } |
|
|
1222 | |
|
|
1223 | void |
|
|
1224 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
1225 | PPCODE: |
|
|
1226 | { |
|
|
1227 | dREQ; |
|
|
1228 | |
|
|
1229 | req->sv1 = newSVsv (fh_or_path); |
|
|
1230 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
1231 | |
|
|
1232 | if (SvPOK (req->sv1)) |
|
|
1233 | { |
|
|
1234 | req->type = EIO_TRUNCATE; |
|
|
1235 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1236 | } |
|
|
1237 | else |
|
|
1238 | { |
|
|
1239 | req->type = EIO_FTRUNCATE; |
|
|
1240 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1241 | } |
|
|
1242 | |
|
|
1243 | REQ_SEND; |
|
|
1244 | } |
|
|
1245 | |
|
|
1246 | void |
|
|
1247 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
1248 | ALIAS: |
|
|
1249 | aio_chmod = EIO_CHMOD |
|
|
1250 | aio_mkdir = EIO_MKDIR |
|
|
1251 | PPCODE: |
|
|
1252 | { |
|
|
1253 | dREQ; |
|
|
1254 | |
|
|
1255 | req->int2 = mode; |
|
|
1256 | req->sv1 = newSVsv (fh_or_path); |
|
|
1257 | |
|
|
1258 | if (SvPOK (req->sv1)) |
|
|
1259 | { |
|
|
1260 | req->type = ix; |
|
|
1261 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1262 | } |
|
|
1263 | else |
|
|
1264 | { |
|
|
1265 | req->type = EIO_FCHMOD; |
|
|
1266 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1267 | } |
|
|
1268 | |
|
|
1269 | REQ_SEND; |
|
|
1270 | } |
|
|
1271 | |
|
|
1272 | void |
|
|
1273 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
1274 | PPCODE: |
|
|
1275 | { |
|
|
1276 | dREQ; |
|
|
1277 | |
|
|
1278 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1279 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1280 | req->sv1 = newSVsv (fh_or_path); |
|
|
1281 | |
|
|
1282 | if (SvPOK (req->sv1)) |
|
|
1283 | { |
|
|
1284 | req->type = EIO_CHOWN; |
|
|
1285 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1286 | } |
|
|
1287 | else |
|
|
1288 | { |
|
|
1289 | req->type = EIO_FCHOWN; |
|
|
1290 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1291 | } |
|
|
1292 | |
|
|
1293 | REQ_SEND; |
|
|
1294 | } |
|
|
1295 | |
|
|
1296 | void |
|
|
1297 | aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
|
|
1298 | PPCODE: |
|
|
1299 | { |
|
|
1300 | dREQ; |
|
|
1301 | |
|
|
1302 | req->type = EIO_READDIR; |
|
|
1303 | req->sv1 = newSVsv (pathname); |
|
|
1304 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1305 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1306 | |
|
|
1307 | if (flags & EIO_READDIR_DENTS) |
|
|
1308 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1309 | |
|
|
1310 | REQ_SEND; |
|
|
1311 | } |
|
|
1312 | |
|
|
1313 | void |
1413 | aio_unlink (pathname,callback=&PL_sv_undef) |
1314 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1414 | SV * pathname |
|
|
1415 | SV * callback |
|
|
1416 | ALIAS: |
1315 | ALIAS: |
1417 | aio_unlink = REQ_UNLINK |
1316 | aio_unlink = EIO_UNLINK |
1418 | aio_rmdir = REQ_RMDIR |
1317 | aio_rmdir = EIO_RMDIR |
1419 | aio_readdir = REQ_READDIR |
1318 | aio_readdir = EIO_READDIR |
1420 | PPCODE: |
1319 | PPCODE: |
1421 | { |
1320 | { |
1422 | dREQ; |
1321 | dREQ; |
1423 | |
1322 | |
1424 | req->type = ix; |
1323 | req->type = ix; |
1425 | req->data = newSVsv (pathname); |
1324 | req->sv1 = newSVsv (pathname); |
1426 | req->dataptr = SvPVbyte_nolen (req->data); |
1325 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1427 | |
1326 | |
1428 | REQ_SEND; |
1327 | REQ_SEND; |
1429 | } |
1328 | } |
1430 | |
1329 | |
1431 | void |
1330 | void |
1432 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1331 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1433 | SV * oldpath |
|
|
1434 | SV * newpath |
|
|
1435 | SV * callback |
|
|
1436 | ALIAS: |
1332 | ALIAS: |
1437 | aio_link = REQ_LINK |
1333 | aio_link = EIO_LINK |
1438 | aio_symlink = REQ_SYMLINK |
1334 | aio_symlink = EIO_SYMLINK |
1439 | aio_rename = REQ_RENAME |
1335 | aio_rename = EIO_RENAME |
1440 | PPCODE: |
1336 | PPCODE: |
1441 | { |
1337 | { |
1442 | dREQ; |
1338 | dREQ; |
1443 | |
1339 | |
1444 | req->type = ix; |
1340 | req->type = ix; |
1445 | req->fh = newSVsv (oldpath); |
1341 | req->sv1 = newSVsv (oldpath); |
1446 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1342 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1447 | req->data = newSVsv (newpath); |
1343 | req->sv2 = newSVsv (newpath); |
1448 | req->dataptr = SvPVbyte_nolen (req->data); |
1344 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
1449 | |
1345 | |
1450 | REQ_SEND; |
1346 | REQ_SEND; |
1451 | } |
1347 | } |
1452 | |
1348 | |
1453 | void |
1349 | void |
1454 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
1350 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1455 | SV * pathname |
|
|
1456 | SV * callback |
|
|
1457 | UV mode |
|
|
1458 | UV dev |
|
|
1459 | PPCODE: |
1351 | PPCODE: |
1460 | { |
1352 | { |
1461 | dREQ; |
1353 | dREQ; |
1462 | |
1354 | |
1463 | req->type = REQ_MKNOD; |
1355 | req->type = EIO_MKNOD; |
1464 | req->data = newSVsv (pathname); |
1356 | req->sv1 = newSVsv (pathname); |
1465 | req->dataptr = SvPVbyte_nolen (req->data); |
1357 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1466 | req->mode = (mode_t)mode; |
1358 | req->int2 = (mode_t)mode; |
1467 | req->offset = dev; |
1359 | req->offs = dev; |
1468 | |
1360 | |
1469 | REQ_SEND; |
1361 | REQ_SEND; |
1470 | } |
1362 | } |
1471 | |
1363 | |
1472 | void |
1364 | void |
|
|
1365 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
|
|
1366 | ALIAS: |
|
|
1367 | aio_mtouch = EIO_MTOUCH |
|
|
1368 | aio_msync = EIO_MSYNC |
|
|
1369 | PPCODE: |
|
|
1370 | { |
|
|
1371 | STRLEN svlen; |
|
|
1372 | char *svptr = SvPVbyte (data, svlen); |
|
|
1373 | UV len = SvUV (length); |
|
|
1374 | |
|
|
1375 | if (offset < 0) |
|
|
1376 | offset += svlen; |
|
|
1377 | |
|
|
1378 | if (offset < 0 || offset > svlen) |
|
|
1379 | croak ("offset outside of scalar"); |
|
|
1380 | |
|
|
1381 | if (!SvOK (length) || len + offset > svlen) |
|
|
1382 | len = svlen - offset; |
|
|
1383 | |
|
|
1384 | { |
|
|
1385 | dREQ; |
|
|
1386 | |
|
|
1387 | req->type = ix; |
|
|
1388 | req->sv2 = SvREFCNT_inc (data); |
|
|
1389 | req->ptr2 = (char *)svptr + offset; |
|
|
1390 | req->size = len; |
|
|
1391 | req->int1 = flags; |
|
|
1392 | |
|
|
1393 | REQ_SEND; |
|
|
1394 | } |
|
|
1395 | } |
|
|
1396 | |
|
|
1397 | void |
|
|
1398 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) |
|
|
1399 | PPCODE: |
|
|
1400 | { |
|
|
1401 | STRLEN svlen; |
|
|
1402 | char *svptr = SvPVbyte (data, svlen); |
|
|
1403 | UV len = SvUV (length); |
|
|
1404 | |
|
|
1405 | if (offset < 0) |
|
|
1406 | offset += svlen; |
|
|
1407 | |
|
|
1408 | if (offset < 0 || offset > svlen) |
|
|
1409 | croak ("offset outside of scalar"); |
|
|
1410 | |
|
|
1411 | if (!SvOK (length) || len + offset > svlen) |
|
|
1412 | len = svlen - offset; |
|
|
1413 | |
|
|
1414 | { |
|
|
1415 | dREQ; |
|
|
1416 | |
|
|
1417 | req->type = EIO_MLOCK; |
|
|
1418 | req->sv2 = SvREFCNT_inc (data); |
|
|
1419 | req->ptr2 = (char *)svptr + offset; |
|
|
1420 | req->size = len; |
|
|
1421 | |
|
|
1422 | REQ_SEND; |
|
|
1423 | } |
|
|
1424 | } |
|
|
1425 | |
|
|
1426 | void |
|
|
1427 | aio_mlockall (IV flags, SV *callback=&PL_sv_undef) |
|
|
1428 | PPCODE: |
|
|
1429 | { |
|
|
1430 | dREQ; |
|
|
1431 | |
|
|
1432 | req->type = EIO_MLOCKALL; |
|
|
1433 | req->int1 = flags; |
|
|
1434 | |
|
|
1435 | REQ_SEND; |
|
|
1436 | } |
|
|
1437 | |
|
|
1438 | void |
1473 | aio_busy (delay,callback=&PL_sv_undef) |
1439 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1474 | double delay |
|
|
1475 | SV * callback |
|
|
1476 | PPCODE: |
1440 | PPCODE: |
1477 | { |
1441 | { |
1478 | dREQ; |
1442 | dREQ; |
1479 | |
1443 | |
1480 | req->type = REQ_BUSY; |
1444 | req->type = EIO_BUSY; |
1481 | req->fd = delay < 0. ? 0 : delay; |
1445 | req->nv1 = delay < 0. ? 0. : delay; |
1482 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
|
|
1483 | |
1446 | |
1484 | REQ_SEND; |
1447 | REQ_SEND; |
1485 | } |
1448 | } |
1486 | |
1449 | |
1487 | void |
1450 | void |
1488 | aio_group (callback=&PL_sv_undef) |
1451 | aio_group (SV *callback=&PL_sv_undef) |
1489 | SV * callback |
|
|
1490 | PROTOTYPE: ;$ |
|
|
1491 | PPCODE: |
1452 | PPCODE: |
1492 | { |
1453 | { |
1493 | dREQ; |
1454 | dREQ; |
1494 | |
1455 | |
1495 | req->type = REQ_GROUP; |
1456 | req->type = EIO_GROUP; |
|
|
1457 | |
1496 | req_send (req); |
1458 | req_submit (req); |
1497 | |
|
|
1498 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1459 | XPUSHs (req_sv (req, aio_grp_stash)); |
1499 | } |
1460 | } |
1500 | |
1461 | |
1501 | void |
1462 | void |
1502 | aio_nop (callback=&PL_sv_undef) |
1463 | aio_nop (SV *callback=&PL_sv_undef) |
1503 | SV * callback |
1464 | ALIAS: |
|
|
1465 | aio_nop = EIO_NOP |
|
|
1466 | aio_sync = EIO_SYNC |
1504 | PPCODE: |
1467 | PPCODE: |
1505 | { |
1468 | { |
1506 | dREQ; |
1469 | dREQ; |
1507 | |
1470 | |
1508 | req->type = REQ_NOP; |
1471 | req->type = ix; |
1509 | |
1472 | |
1510 | REQ_SEND; |
1473 | REQ_SEND; |
1511 | } |
1474 | } |
1512 | |
1475 | |
1513 | int |
1476 | int |
1514 | aioreq_pri (int pri = 0) |
1477 | aioreq_pri (int pri = 0) |
1515 | PROTOTYPE: ;$ |
|
|
1516 | CODE: |
1478 | CODE: |
1517 | RETVAL = next_pri - PRI_BIAS; |
1479 | RETVAL = next_pri; |
1518 | if (items > 0) |
1480 | if (items > 0) |
1519 | { |
1481 | { |
1520 | if (pri < PRI_MIN) pri = PRI_MIN; |
1482 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1521 | if (pri > PRI_MAX) pri = PRI_MAX; |
1483 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1522 | next_pri = pri + PRI_BIAS; |
1484 | next_pri = pri; |
1523 | } |
1485 | } |
1524 | OUTPUT: |
1486 | OUTPUT: |
1525 | RETVAL |
1487 | RETVAL |
1526 | |
1488 | |
1527 | void |
1489 | void |
1528 | aioreq_nice (int nice = 0) |
1490 | aioreq_nice (int nice = 0) |
1529 | CODE: |
1491 | CODE: |
1530 | nice = next_pri - nice; |
1492 | nice = next_pri - nice; |
1531 | if (nice < PRI_MIN) nice = PRI_MIN; |
1493 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1532 | if (nice > PRI_MAX) nice = PRI_MAX; |
1494 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1533 | next_pri = nice + PRI_BIAS; |
1495 | next_pri = nice; |
1534 | |
1496 | |
1535 | void |
1497 | void |
1536 | flush () |
1498 | flush () |
1537 | PROTOTYPE: |
|
|
1538 | CODE: |
1499 | CODE: |
1539 | while (nreqs) |
1500 | while (eio_nreqs ()) |
1540 | { |
1501 | { |
1541 | poll_wait (); |
1502 | poll_wait (); |
1542 | poll_cb (0); |
1503 | poll_cb (); |
1543 | } |
1504 | } |
1544 | |
1505 | |
1545 | void |
|
|
1546 | poll() |
|
|
1547 | PROTOTYPE: |
|
|
1548 | CODE: |
|
|
1549 | if (nreqs) |
|
|
1550 | { |
|
|
1551 | poll_wait (); |
|
|
1552 | poll_cb (0); |
|
|
1553 | } |
|
|
1554 | |
|
|
1555 | int |
1506 | int |
1556 | poll_fileno() |
1507 | poll () |
1557 | PROTOTYPE: |
|
|
1558 | CODE: |
1508 | CODE: |
1559 | RETVAL = respipe [0]; |
1509 | poll_wait (); |
|
|
1510 | RETVAL = poll_cb (); |
1560 | OUTPUT: |
1511 | OUTPUT: |
1561 | RETVAL |
1512 | RETVAL |
1562 | |
1513 | |
1563 | int |
1514 | int |
1564 | poll_cb(...) |
1515 | poll_fileno () |
1565 | PROTOTYPE: |
|
|
1566 | CODE: |
1516 | CODE: |
1567 | RETVAL = poll_cb (0); |
1517 | RETVAL = s_epipe_fd (&respipe); |
1568 | OUTPUT: |
1518 | OUTPUT: |
1569 | RETVAL |
1519 | RETVAL |
1570 | |
1520 | |
1571 | int |
1521 | int |
1572 | poll_some(int max = 0) |
1522 | poll_cb (...) |
1573 | PROTOTYPE: $ |
1523 | PROTOTYPE: |
1574 | CODE: |
1524 | CODE: |
1575 | RETVAL = poll_cb (max); |
1525 | RETVAL = poll_cb (); |
1576 | OUTPUT: |
1526 | OUTPUT: |
1577 | RETVAL |
1527 | RETVAL |
1578 | |
1528 | |
1579 | void |
1529 | void |
1580 | poll_wait() |
1530 | poll_wait () |
1581 | PROTOTYPE: |
|
|
1582 | CODE: |
1531 | CODE: |
1583 | if (nreqs) |
|
|
1584 | poll_wait (); |
1532 | poll_wait (); |
1585 | |
1533 | |
1586 | int |
1534 | int |
1587 | nreqs() |
1535 | nreqs () |
1588 | PROTOTYPE: |
|
|
1589 | CODE: |
1536 | CODE: |
1590 | RETVAL = nreqs; |
1537 | RETVAL = eio_nreqs (); |
1591 | OUTPUT: |
1538 | OUTPUT: |
1592 | RETVAL |
1539 | RETVAL |
1593 | |
1540 | |
1594 | int |
1541 | int |
1595 | nready() |
1542 | nready () |
1596 | PROTOTYPE: |
|
|
1597 | CODE: |
1543 | CODE: |
1598 | RETVAL = get_nready (); |
1544 | RETVAL = eio_nready (); |
1599 | OUTPUT: |
1545 | OUTPUT: |
1600 | RETVAL |
1546 | RETVAL |
1601 | |
1547 | |
1602 | int |
1548 | int |
1603 | npending() |
1549 | npending () |
1604 | PROTOTYPE: |
|
|
1605 | CODE: |
1550 | CODE: |
1606 | RETVAL = get_npending (); |
1551 | RETVAL = eio_npending (); |
1607 | OUTPUT: |
1552 | OUTPUT: |
1608 | RETVAL |
1553 | RETVAL |
1609 | |
1554 | |
|
|
1555 | int |
|
|
1556 | nthreads () |
|
|
1557 | CODE: |
|
|
1558 | RETVAL = eio_nthreads (); |
|
|
1559 | OUTPUT: |
|
|
1560 | RETVAL |
|
|
1561 | |
|
|
1562 | int |
|
|
1563 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
1564 | CODE: |
|
|
1565 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
1566 | OUTPUT: |
|
|
1567 | RETVAL |
|
|
1568 | |
|
|
1569 | ssize_t |
|
|
1570 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
1571 | CODE: |
|
|
1572 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1573 | OUTPUT: |
|
|
1574 | RETVAL |
|
|
1575 | |
|
|
1576 | void |
|
|
1577 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
|
|
1578 | PPCODE: |
|
|
1579 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1580 | { |
|
|
1581 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1582 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1583 | if (addr == (void *)-1) |
|
|
1584 | XSRETURN_NO; |
|
|
1585 | |
|
|
1586 | sv_force_normal (scalar); |
|
|
1587 | |
|
|
1588 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1589 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1590 | ->mg_obj = (SV *)length; |
|
|
1591 | |
|
|
1592 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1593 | |
|
|
1594 | if (!(prot & PROT_WRITE)) |
|
|
1595 | SvREADONLY_on (scalar); |
|
|
1596 | |
|
|
1597 | if (SvLEN (scalar)) |
|
|
1598 | Safefree (SvPVX (scalar)); |
|
|
1599 | |
|
|
1600 | SvPVX (scalar) = (char *)addr; |
|
|
1601 | SvCUR_set (scalar, length); |
|
|
1602 | SvLEN_set (scalar, 0); |
|
|
1603 | SvPOK_only (scalar); |
|
|
1604 | |
|
|
1605 | XSRETURN_YES; |
|
|
1606 | } |
|
|
1607 | |
|
|
1608 | void |
|
|
1609 | munmap (SV *scalar) |
|
|
1610 | CODE: |
|
|
1611 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1612 | |
|
|
1613 | int |
|
|
1614 | madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
|
|
1615 | ALIAS: |
|
|
1616 | mprotect = 1 |
|
|
1617 | CODE: |
|
|
1618 | { |
|
|
1619 | STRLEN svlen; |
|
|
1620 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1621 | size_t len = SvUV (length); |
|
|
1622 | |
|
|
1623 | if (offset < 0) |
|
|
1624 | offset += svlen; |
|
|
1625 | |
|
|
1626 | if (offset < 0 || offset > svlen) |
|
|
1627 | croak ("offset outside of scalar"); |
|
|
1628 | |
|
|
1629 | if (!SvOK (length) || len + offset > svlen) |
|
|
1630 | len = svlen - offset; |
|
|
1631 | |
|
|
1632 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1633 | eio_page_align (&addr, &len); |
|
|
1634 | |
|
|
1635 | switch (ix) |
|
|
1636 | { |
|
|
1637 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
|
|
1638 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
|
|
1639 | } |
|
|
1640 | } |
|
|
1641 | OUTPUT: |
|
|
1642 | RETVAL |
|
|
1643 | |
|
|
1644 | int |
|
|
1645 | munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) |
|
|
1646 | CODE: |
|
|
1647 | { |
|
|
1648 | STRLEN svlen; |
|
|
1649 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1650 | size_t len = SvUV (length); |
|
|
1651 | |
|
|
1652 | if (offset < 0) |
|
|
1653 | offset += svlen; |
|
|
1654 | |
|
|
1655 | if (offset < 0 || offset > svlen) |
|
|
1656 | croak ("offset outside of scalar"); |
|
|
1657 | |
|
|
1658 | if (!SvOK (length) || len + offset > svlen) |
|
|
1659 | len = svlen - offset; |
|
|
1660 | |
|
|
1661 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1662 | eio_page_align (&addr, &len); |
|
|
1663 | #if _POSIX_MEMLOCK_RANGE |
|
|
1664 | RETVAL = munlock (addr, len); |
|
|
1665 | #else |
|
|
1666 | RETVAL = ((errno = ENOSYS), -1); |
|
|
1667 | #endif |
|
|
1668 | } |
|
|
1669 | OUTPUT: |
|
|
1670 | RETVAL |
|
|
1671 | |
|
|
1672 | int |
|
|
1673 | munlockall () |
|
|
1674 | CODE: |
|
|
1675 | #if _POSIX_MEMLOCK |
|
|
1676 | munlockall (); |
|
|
1677 | #else |
|
|
1678 | RETVAL = -1; |
|
|
1679 | errno = ENOSYS; |
|
|
1680 | #endif |
|
|
1681 | OUTPUT: |
|
|
1682 | RETVAL |
|
|
1683 | |
|
|
1684 | void _on_next_submit (SV *cb) |
|
|
1685 | CODE: |
|
|
1686 | SvREFCNT_dec (on_next_submit); |
|
|
1687 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1688 | |
1610 | PROTOTYPES: DISABLE |
1689 | PROTOTYPES: DISABLE |
1611 | |
1690 | |
1612 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1691 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1613 | |
1692 | |
1614 | void |
1693 | void |
1615 | cancel (aio_req_ornot req) |
1694 | cancel (aio_req_ornot req) |
1616 | CODE: |
1695 | CODE: |
1617 | req_cancel (req); |
1696 | eio_cancel (req); |
1618 | |
1697 | |
1619 | void |
1698 | void |
1620 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1699 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1621 | CODE: |
1700 | PPCODE: |
|
|
1701 | { |
|
|
1702 | if (GIMME_V != G_VOID) |
|
|
1703 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1704 | |
|
|
1705 | if (items > 1) |
|
|
1706 | { |
|
|
1707 | SV *cb_cv =get_cb (callback); |
|
|
1708 | |
1622 | SvREFCNT_dec (req->callback); |
1709 | SvREFCNT_dec (req->callback); |
1623 | req->callback = newSVsv (callback); |
1710 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1711 | } |
|
|
1712 | } |
1624 | |
1713 | |
1625 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1714 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1626 | |
1715 | |
1627 | void |
1716 | void |
1628 | add (aio_req grp, ...) |
1717 | add (aio_req grp, ...) |
1629 | PPCODE: |
1718 | PPCODE: |
1630 | { |
1719 | { |
1631 | int i; |
1720 | int i; |
1632 | aio_req req; |
|
|
1633 | |
1721 | |
1634 | if (grp->fd == 2) |
1722 | if (grp->int1 == 2) |
1635 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1723 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1636 | |
1724 | |
1637 | for (i = 1; i < items; ++i ) |
1725 | for (i = 1; i < items; ++i ) |
1638 | { |
1726 | { |
|
|
1727 | aio_req req; |
|
|
1728 | |
1639 | if (GIMME_V != G_VOID) |
1729 | if (GIMME_V != G_VOID) |
1640 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1730 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1641 | |
1731 | |
1642 | req = SvAIO_REQ (ST (i)); |
1732 | req = SvAIO_REQ (ST (i)); |
1643 | |
1733 | |
1644 | if (req) |
1734 | if (req) |
1645 | { |
1735 | eio_grp_add (grp, req); |
1646 | ++grp->length; |
|
|
1647 | req->grp = grp; |
|
|
1648 | |
|
|
1649 | req->grp_prev = 0; |
|
|
1650 | req->grp_next = grp->grp_first; |
|
|
1651 | |
|
|
1652 | if (grp->grp_first) |
|
|
1653 | grp->grp_first->grp_prev = req; |
|
|
1654 | |
|
|
1655 | grp->grp_first = req; |
|
|
1656 | } |
|
|
1657 | } |
1736 | } |
1658 | } |
1737 | } |
1659 | |
1738 | |
1660 | void |
1739 | void |
1661 | cancel_subs (aio_req_ornot req) |
1740 | cancel_subs (aio_req_ornot req) |
… | |
… | |
1670 | AV *av; |
1749 | AV *av; |
1671 | |
1750 | |
1672 | grp->errorno = errno; |
1751 | grp->errorno = errno; |
1673 | |
1752 | |
1674 | av = newAV (); |
1753 | av = newAV (); |
|
|
1754 | av_extend (av, items - 1); |
1675 | |
1755 | |
1676 | for (i = 1; i < items; ++i ) |
1756 | for (i = 1; i < items; ++i ) |
1677 | av_push (av, newSVsv (ST (i))); |
1757 | av_push (av, newSVsv (ST (i))); |
1678 | |
1758 | |
1679 | SvREFCNT_dec (grp->data); |
1759 | SvREFCNT_dec (grp->sv1); |
1680 | grp->data = (SV *)av; |
1760 | grp->sv1 = (SV *)av; |
1681 | } |
1761 | } |
1682 | |
1762 | |
1683 | void |
1763 | void |
1684 | errno (aio_req grp, int errorno = errno) |
1764 | errno (aio_req grp, int errorno = errno) |
1685 | CODE: |
1765 | CODE: |
1686 | grp->errorno = errorno; |
1766 | grp->errorno = errorno; |
1687 | |
1767 | |
1688 | void |
1768 | void |
1689 | limit (aio_req grp, int limit) |
1769 | limit (aio_req grp, int limit) |
1690 | CODE: |
1770 | CODE: |
1691 | grp->fd2 = limit; |
1771 | eio_grp_limit (grp, limit); |
1692 | aio_grp_feed (grp); |
|
|
1693 | |
1772 | |
1694 | void |
1773 | void |
1695 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1774 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1696 | CODE: |
1775 | CODE: |
1697 | { |
1776 | { |
1698 | SvREFCNT_dec (grp->fh2); |
1777 | SvREFCNT_dec (grp->sv2); |
1699 | grp->fh2 = newSVsv (callback); |
1778 | grp->sv2 = newSVsv (callback); |
|
|
1779 | grp->feed = aio_grp_feed; |
1700 | |
1780 | |
1701 | if (grp->fd2 <= 0) |
1781 | if (grp->int2 <= 0) |
1702 | grp->fd2 = 2; |
1782 | grp->int2 = 2; |
1703 | |
1783 | |
1704 | aio_grp_feed (grp); |
1784 | eio_grp_limit (grp, grp->int2); |
1705 | } |
1785 | } |
1706 | |
1786 | |