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1 | #include "libeio/xthread.h" |
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2 | |
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3 | #include <errno.h> |
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4 | |
1 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
2 | #include "perl.h" |
6 | #include "perl.h" |
3 | #include "XSUB.h" |
7 | #include "XSUB.h" |
4 | |
8 | |
5 | #include "autoconf/config.h" |
9 | #include "schmorp.h" |
6 | |
10 | |
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11 | #include <stddef.h> |
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12 | #include <stdlib.h> |
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13 | #include <errno.h> |
7 | #include <sys/types.h> |
14 | #include <sys/types.h> |
8 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
9 | |
16 | #include <sys/statvfs.h> |
10 | #include <unistd.h> |
17 | #include <limits.h> |
11 | #include <fcntl.h> |
18 | #include <fcntl.h> |
12 | #include <signal.h> |
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13 | #include <sched.h> |
19 | #include <sched.h> |
14 | |
20 | |
15 | #include <pthread.h> |
21 | /* perl namespace pollution */ |
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22 | #undef VERSION |
16 | |
23 | |
17 | typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
24 | #ifdef _WIN32 |
18 | typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
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19 | typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */ |
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20 | |
25 | |
21 | #if __ia64 |
26 | # define EIO_STRUCT_DIRENT Direntry_t |
22 | # define STACKSIZE 65536 |
27 | # undef malloc |
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28 | # undef free |
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29 | |
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30 | // perl overrides all those nice win32 functions |
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31 | # undef open |
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32 | # undef read |
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33 | # undef write |
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34 | # undef send |
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35 | # undef recv |
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36 | # undef stat |
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37 | # undef fstat |
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38 | # define lstat stat |
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39 | # undef truncate |
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40 | # undef ftruncate |
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41 | # undef open |
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42 | # undef close |
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43 | # undef unlink |
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44 | # undef rmdir |
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45 | # undef rename |
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46 | # undef lseek |
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47 | |
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48 | # define chown(a,b,c) (errno = ENOSYS, -1) |
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49 | # define fchown(a,b,c) (errno = ENOSYS, -1) |
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50 | # define fchmod(a,b) (errno = ENOSYS, -1) |
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51 | # define symlink(a,b) (errno = ENOSYS, -1) |
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52 | # define readlink(a,b,c) (errno = ENOSYS, -1) |
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53 | # define mknod(a,b,c) (errno = ENOSYS, -1) |
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54 | # define truncate(a,b) (errno = ENOSYS, -1) |
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55 | # define ftruncate(fd,o) chsize ((fd), (o)) |
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56 | # define fsync(fd) _commit (fd) |
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57 | # define opendir(fd) (errno = ENOSYS, 0) |
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58 | # define readdir(fd) (errno = ENOSYS, -1) |
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59 | # define closedir(fd) (errno = ENOSYS, -1) |
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60 | # define mkdir(a,b) mkdir (a) |
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61 | |
23 | #else |
62 | #else |
24 | # define STACKSIZE 4096 |
63 | |
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64 | # include <sys/time.h> |
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65 | # include <sys/select.h> |
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66 | # include <unistd.h> |
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67 | # include <utime.h> |
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68 | # include <signal.h> |
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69 | # define EIO_STRUCT_DIRENT struct dirent |
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70 | |
25 | #endif |
71 | #endif |
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72 | |
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73 | /* perl stupidly overrides readdir and maybe others */ |
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74 | /* with thread-unsafe versions, imagine that :( */ |
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75 | #undef readdir |
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76 | #undef opendir |
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77 | #undef closedir |
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78 | |
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79 | #define EIO_STRUCT_STAT Stat_t |
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80 | |
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81 | /* use NV for 32 bit perls as it allows larger offsets */ |
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82 | #if IVSIZE >= 8 |
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83 | # define VAL64 IV |
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84 | # define SvVAL64 SvIV |
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85 | # define newSVval64 newSViv |
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86 | #else |
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87 | # define VAL64 NV |
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88 | # define SvVAL64 SvNV |
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89 | # define newSVval64 newSVnv |
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90 | #endif |
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91 | |
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92 | /*****************************************************************************/ |
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93 | |
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94 | #if __GNUC__ >= 3 |
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95 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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96 | #else |
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97 | # define expect(expr,value) (expr) |
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98 | #endif |
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99 | |
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100 | #define expect_false(expr) expect ((expr) != 0, 0) |
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101 | #define expect_true(expr) expect ((expr) != 0, 1) |
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102 | |
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103 | /*****************************************************************************/ |
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104 | |
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105 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
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106 | typedef int aio_rfd; /* read file desriptor */ |
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107 | typedef int aio_wfd; /* write file descriptor */ |
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108 | |
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109 | static HV *aio_stash, *aio_req_stash, *aio_grp_stash; |
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110 | |
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111 | #define EIO_REQ_MEMBERS \ |
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112 | SV *callback; \ |
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113 | SV *sv1, *sv2; \ |
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114 | STRLEN stroffset; \ |
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115 | SV *self; |
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116 | |
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117 | #define EIO_NO_WRAPPERS 1 |
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118 | |
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119 | #include "libeio/eio.h" |
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120 | |
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121 | #ifndef POSIX_FADV_NORMAL |
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122 | # define POSIX_FADV_NORMAL 0 |
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123 | # define NO_FADVISE 1 |
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124 | #endif |
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125 | |
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126 | #ifndef POSIX_FADV_SEQUENTIAL |
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127 | # define POSIX_FADV_SEQUENTIAL 0 |
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128 | #endif |
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129 | |
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130 | #ifndef POSIX_FADV_RANDOM |
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131 | # define POSIX_FADV_RANDOM 0 |
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132 | #endif |
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133 | |
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134 | #ifndef POSIX_FADV_NOREUSE |
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135 | # define POSIX_FADV_NOREUSE 0 |
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136 | #endif |
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137 | |
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138 | #ifndef POSIX_FADV_WILLNEED |
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139 | # define POSIX_FADV_WILLNEED 0 |
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140 | #endif |
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141 | |
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142 | #ifndef POSIX_FADV_DONTNEED |
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143 | # define POSIX_FADV_DONTNEED 0 |
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144 | #endif |
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145 | |
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146 | #ifndef ST_NODEV |
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147 | # define ST_NODEV 0 |
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148 | #endif |
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149 | |
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150 | #ifndef ST_NOEXEC |
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151 | # define ST_NOEXEC 0 |
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152 | #endif |
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153 | |
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154 | #ifndef ST_SYNCHRONOUS |
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155 | # define ST_SYNCHRONOUS 0 |
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156 | #endif |
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157 | |
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158 | #ifndef ST_MANDLOCK |
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159 | # define ST_MANDLOCK 0 |
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160 | #endif |
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161 | |
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162 | #ifndef ST_WRITE |
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163 | # define ST_WRITE 0 |
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164 | #endif |
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165 | |
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166 | #ifndef ST_APPEND |
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167 | # define ST_APPEND 0 |
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168 | #endif |
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169 | |
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170 | #ifndef ST_IMMUTABLE |
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171 | # define ST_IMMUTABLE 0 |
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172 | #endif |
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173 | |
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174 | #ifndef ST_NOATIME |
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175 | # define ST_NOATIME 0 |
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176 | #endif |
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177 | |
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178 | #ifndef ST_NODIRATIME |
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179 | # define ST_NODIRATIME 0 |
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180 | #endif |
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181 | |
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182 | #ifndef ST_RELATIME |
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183 | # define ST_RELATIME 0 |
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184 | #endif |
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185 | |
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186 | static int req_invoke (eio_req *req); |
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187 | #define EIO_FINISH(req) req_invoke (req) |
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188 | static void req_destroy (eio_req *grp); |
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189 | #define EIO_DESTROY(req) req_destroy (req) |
26 | |
190 | |
27 | enum { |
191 | enum { |
28 | REQ_QUIT, |
192 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
29 | REQ_OPEN, REQ_CLOSE, |
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30 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
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31 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK, |
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32 | REQ_FSYNC, REQ_FDATASYNC, |
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33 | }; |
193 | }; |
34 | |
194 | |
35 | typedef struct aio_cb { |
195 | #include "libeio/eio.c" |
36 | struct aio_cb *volatile next; |
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37 | |
196 | |
38 | int type; |
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39 | |
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40 | int fd; |
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41 | off_t offset; |
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42 | size_t length; |
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43 | ssize_t result; |
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44 | mode_t mode; /* open */ |
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45 | int errorno; |
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46 | SV *data, *callback, *fh; |
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47 | void *dataptr; |
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48 | STRLEN dataoffset; |
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49 | |
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50 | Stat_t *statdata; |
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51 | } aio_cb; |
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52 | |
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53 | typedef aio_cb *aio_req; |
197 | typedef eio_req *aio_req; |
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198 | typedef eio_req *aio_req_ornot; |
54 | |
199 | |
55 | static int started; |
200 | static SV *on_next_submit; |
56 | static volatile int nreqs; |
201 | static int next_pri = EIO_PRI_DEFAULT; |
57 | static int max_outstanding = 1<<30; |
202 | static int max_outstanding; |
58 | static int respipe [2]; |
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59 | |
203 | |
60 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
204 | static s_epipe respipe; |
61 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
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62 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
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63 | |
205 | |
64 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
206 | static void req_destroy (aio_req req); |
65 | static volatile aio_req ress, rese; /* queue start, queue end */ |
207 | static void req_cancel (aio_req req); |
66 | |
208 | |
67 | static void |
209 | static void want_poll (void) |
68 | poll_wait () |
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69 | { |
210 | { |
70 | if (nreqs && !ress) |
211 | /* write a dummy byte to the pipe so fh becomes ready */ |
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212 | s_epipe_signal (&respipe); |
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213 | } |
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214 | |
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215 | static void done_poll (void) |
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216 | { |
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217 | /* read any signals sent by the worker threads */ |
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218 | s_epipe_drain (&respipe); |
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219 | } |
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220 | |
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221 | /* must be called at most once */ |
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222 | static SV *req_sv (aio_req req, HV *stash) |
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223 | { |
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224 | if (!req->self) |
71 | { |
225 | { |
72 | fd_set rfd; |
226 | req->self = (SV *)newHV (); |
73 | FD_ZERO(&rfd); |
227 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
74 | FD_SET(respipe [0], &rfd); |
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75 | |
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76 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
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77 | } |
228 | } |
78 | } |
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79 | |
229 | |
80 | static int |
230 | return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
81 | poll_cb () |
231 | } |
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232 | |
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233 | static aio_req SvAIO_REQ (SV *sv) |
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234 | { |
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235 | MAGIC *mg; |
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236 | |
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237 | if (!SvROK (sv) |
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238 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
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239 | && SvSTASH (SvRV (sv)) != aio_req_stash |
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240 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
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241 | croak ("object of class IO::AIO::REQ expected"); |
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242 | |
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243 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
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244 | |
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245 | return mg ? (aio_req)mg->mg_ptr : 0; |
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246 | } |
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247 | |
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248 | static void aio_grp_feed (aio_req grp) |
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249 | { |
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250 | if (grp->sv2 && SvOK (grp->sv2)) |
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251 | { |
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252 | dSP; |
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253 | |
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254 | ENTER; |
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255 | SAVETMPS; |
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256 | PUSHMARK (SP); |
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257 | XPUSHs (req_sv (grp, aio_grp_stash)); |
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258 | PUTBACK; |
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259 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
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260 | SPAGAIN; |
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261 | FREETMPS; |
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262 | LEAVE; |
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263 | } |
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264 | } |
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265 | |
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266 | static void req_submit (eio_req *req) |
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267 | { |
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268 | eio_submit (req); |
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269 | |
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270 | if (expect_false (on_next_submit)) |
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271 | { |
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272 | dSP; |
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273 | SV *cb = sv_2mortal (on_next_submit); |
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274 | |
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275 | on_next_submit = 0; |
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276 | |
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277 | PUSHMARK (SP); |
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278 | PUTBACK; |
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279 | call_sv (cb, G_DISCARD | G_EVAL); |
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280 | } |
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281 | } |
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282 | |
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283 | static int req_invoke (eio_req *req) |
82 | { |
284 | { |
83 | dSP; |
285 | dSP; |
84 | int count = 0; |
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85 | aio_req req, prv; |
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86 | |
286 | |
87 | pthread_mutex_lock (&reslock); |
287 | if (req->flags & FLAG_SV2_RO_OFF) |
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288 | SvREADONLY_off (req->sv2); |
88 | |
289 | |
89 | { |
290 | if (!EIO_CANCELLED (req) && req->callback) |
90 | /* read any signals sent by the worker threads */ |
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91 | char buf [32]; |
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92 | while (read (respipe [0], buf, 32) > 0) |
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93 | ; |
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94 | } |
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95 | |
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96 | req = ress; |
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97 | ress = rese = 0; |
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98 | |
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99 | pthread_mutex_unlock (&reslock); |
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100 | |
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101 | while (req) |
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102 | { |
291 | { |
103 | nreqs--; |
292 | ENTER; |
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293 | SAVETMPS; |
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294 | PUSHMARK (SP); |
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295 | EXTEND (SP, 1); |
104 | |
296 | |
105 | if (req->type == REQ_QUIT) |
297 | switch (req->type) |
106 | started--; |
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107 | else |
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108 | { |
298 | { |
109 | int errorno = errno; |
299 | case EIO_READDIR: |
110 | errno = req->errorno; |
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111 | |
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112 | if (req->type == REQ_READ) |
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113 | SvCUR_set (req->data, req->dataoffset |
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114 | + req->result > 0 ? req->result : 0); |
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115 | |
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116 | if (req->data) |
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117 | SvREFCNT_dec (req->data); |
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118 | |
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119 | if (req->fh) |
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120 | SvREFCNT_dec (req->fh); |
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121 | |
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122 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
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123 | { |
300 | { |
124 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
301 | SV *rv = &PL_sv_undef; |
125 | PL_laststatval = req->result; |
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126 | PL_statcache = *(req->statdata); |
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127 | |
302 | |
128 | Safefree (req->statdata); |
303 | if (req->result >= 0) |
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304 | { |
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305 | int i; |
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306 | char *names = (char *)req->ptr2; |
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307 | eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
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308 | AV *av = newAV (); |
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309 | |
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310 | av_extend (av, req->result - 1); |
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311 | |
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312 | for (i = 0; i < req->result; ++i) |
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313 | { |
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314 | if (req->int1 & EIO_READDIR_DENTS) |
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315 | { |
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316 | SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
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317 | |
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318 | if (req->int1 & EIO_READDIR_CUSTOM2) |
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319 | { |
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320 | static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
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321 | AV *avent = newAV (); |
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322 | |
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323 | av_extend (avent, 2); |
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324 | |
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325 | if (!sv_type [ent->type]) |
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326 | { |
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327 | sv_type [ent->type] = newSViv (ent->type); |
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328 | SvREADONLY_on (sv_type [ent->type]); |
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329 | } |
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330 | |
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331 | av_store (avent, 0, namesv); |
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332 | av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
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333 | av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
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334 | |
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335 | av_store (av, i, newRV_noinc ((SV *)avent)); |
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336 | } |
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337 | else |
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338 | av_store (av, i, namesv); |
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339 | |
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340 | ++ent; |
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341 | } |
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342 | else |
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343 | { |
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344 | SV *name = newSVpv (names, 0); |
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345 | av_store (av, i, name); |
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346 | names += SvCUR (name) + 1; |
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347 | } |
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348 | } |
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349 | |
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350 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
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351 | } |
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352 | |
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353 | PUSHs (rv); |
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354 | |
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355 | if (req->int1 & EIO_READDIR_CUSTOM1) |
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356 | XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
129 | } |
357 | } |
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358 | break; |
130 | |
359 | |
131 | ENTER; |
360 | case EIO_OPEN: |
132 | PUSHMARK (SP); |
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133 | XPUSHs (sv_2mortal (newSViv (req->result))); |
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134 | |
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135 | if (req->type == REQ_OPEN) |
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136 | { |
361 | { |
137 | /* convert fd to fh */ |
362 | /* convert fd to fh */ |
138 | SV *fh; |
363 | SV *fh = &PL_sv_undef; |
139 | |
364 | |
140 | PUTBACK; |
365 | if (req->result >= 0) |
141 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
366 | { |
142 | SPAGAIN; |
367 | GV *gv = (GV *)sv_newmortal (); |
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368 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
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369 | char sym [64]; |
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370 | int symlen; |
|
|
371 | |
|
|
372 | symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
|
|
373 | gv_init (gv, aio_stash, sym, symlen, 0); |
143 | |
374 | |
144 | fh = SvREFCNT_inc (POPs); |
375 | symlen = snprintf ( |
|
|
376 | sym, |
|
|
377 | sizeof (sym), |
|
|
378 | "%s&=%d", |
|
|
379 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
380 | (int)req->result |
|
|
381 | ); |
145 | |
382 | |
|
|
383 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
384 | fh = (SV *)gv; |
|
|
385 | } |
|
|
386 | |
146 | PUSHMARK (SP); |
387 | PUSHs (fh); |
147 | XPUSHs (sv_2mortal (fh)); |
|
|
148 | } |
388 | } |
|
|
389 | break; |
149 | |
390 | |
150 | if (SvOK (req->callback)) |
391 | case EIO_STATVFS: |
|
|
392 | case EIO_FSTATVFS: |
151 | { |
393 | { |
152 | PUTBACK; |
394 | SV *rv = &PL_sv_undef; |
153 | call_sv (req->callback, G_VOID | G_EVAL); |
395 | |
154 | SPAGAIN; |
396 | if (req->result >= 0) |
|
|
397 | { |
|
|
398 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
399 | HV *hv = newHV (); |
|
|
400 | |
|
|
401 | rv = sv_2mortal (newRV_noinc (hv)); |
|
|
402 | |
|
|
403 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
|
|
404 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
405 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
406 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
407 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
408 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
409 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
410 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
411 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
|
|
412 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
413 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
414 | } |
|
|
415 | |
|
|
416 | PUSHs (rv); |
155 | } |
417 | } |
156 | |
418 | |
157 | LEAVE; |
419 | break; |
158 | |
|
|
159 | if (req->callback) |
|
|
160 | SvREFCNT_dec (req->callback); |
|
|
161 | |
420 | |
162 | errno = errorno; |
421 | case EIO_GROUP: |
163 | count++; |
422 | req->int1 = 2; /* mark group as finished */ |
164 | } |
|
|
165 | |
423 | |
166 | prv = req; |
|
|
167 | req = req->next; |
|
|
168 | Safefree (prv); |
|
|
169 | |
|
|
170 | /* TODO: croak on errors? */ |
|
|
171 | } |
|
|
172 | |
|
|
173 | return count; |
|
|
174 | } |
|
|
175 | |
|
|
176 | static void *aio_proc(void *arg); |
|
|
177 | |
|
|
178 | static void |
|
|
179 | start_thread (void) |
|
|
180 | { |
|
|
181 | sigset_t fullsigset, oldsigset; |
|
|
182 | pthread_t tid; |
|
|
183 | pthread_attr_t attr; |
|
|
184 | |
|
|
185 | pthread_attr_init (&attr); |
|
|
186 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
187 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
188 | |
|
|
189 | sigfillset (&fullsigset); |
|
|
190 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
191 | |
|
|
192 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
|
|
193 | started++; |
|
|
194 | |
|
|
195 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
196 | } |
|
|
197 | |
|
|
198 | static void |
|
|
199 | send_req (aio_req req) |
|
|
200 | { |
|
|
201 | nreqs++; |
|
|
202 | |
|
|
203 | pthread_mutex_lock (&reqlock); |
|
|
204 | |
|
|
205 | req->next = 0; |
|
|
206 | |
|
|
207 | if (reqe) |
|
|
208 | { |
|
|
209 | reqe->next = req; |
|
|
210 | reqe = req; |
|
|
211 | } |
|
|
212 | else |
|
|
213 | reqe = reqs = req; |
|
|
214 | |
|
|
215 | pthread_cond_signal (&reqwait); |
|
|
216 | pthread_mutex_unlock (&reqlock); |
|
|
217 | |
|
|
218 | while (nreqs > max_outstanding) |
|
|
219 | { |
|
|
220 | poll_wait (); |
|
|
221 | poll_cb (); |
|
|
222 | } |
|
|
223 | } |
|
|
224 | |
|
|
225 | static void |
|
|
226 | end_thread (void) |
|
|
227 | { |
|
|
228 | aio_req req; |
|
|
229 | New (0, req, 1, aio_cb); |
|
|
230 | req->type = REQ_QUIT; |
|
|
231 | |
|
|
232 | send_req (req); |
|
|
233 | } |
|
|
234 | |
|
|
235 | static void * |
|
|
236 | aio_proc (void *thr_arg) |
|
|
237 | { |
|
|
238 | aio_req req; |
|
|
239 | int type; |
|
|
240 | |
|
|
241 | do |
|
|
242 | { |
|
|
243 | pthread_mutex_lock (&reqlock); |
|
|
244 | |
|
|
245 | for (;;) |
|
|
246 | { |
|
|
247 | req = reqs; |
|
|
248 | |
|
|
249 | if (reqs) |
424 | if (req->sv1) |
|
|
425 | { |
|
|
426 | int i; |
|
|
427 | AV *av = (AV *)req->sv1; |
|
|
428 | |
|
|
429 | EXTEND (SP, AvFILL (av) + 1); |
|
|
430 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
431 | PUSHs (*av_fetch (av, i, 0)); |
|
|
432 | } |
|
|
433 | break; |
|
|
434 | |
|
|
435 | case EIO_NOP: |
|
|
436 | case EIO_BUSY: |
|
|
437 | break; |
|
|
438 | |
|
|
439 | case EIO_READLINK: |
|
|
440 | if (req->result > 0) |
|
|
441 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
|
|
442 | break; |
|
|
443 | |
|
|
444 | case EIO_STAT: |
|
|
445 | case EIO_LSTAT: |
|
|
446 | case EIO_FSTAT: |
|
|
447 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
448 | PL_laststatval = req->result; |
|
|
449 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
|
|
450 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
451 | break; |
|
|
452 | |
|
|
453 | case EIO_READ: |
250 | { |
454 | { |
251 | reqs = reqs->next; |
455 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
252 | if (!reqs) reqe = 0; |
456 | *SvEND (req->sv2) = 0; |
|
|
457 | SvPOK_only (req->sv2); |
|
|
458 | SvSETMAGIC (req->sv2); |
|
|
459 | PUSHs (sv_2mortal (newSViv (req->result))); |
253 | } |
460 | } |
254 | |
|
|
255 | if (req) |
|
|
256 | break; |
461 | break; |
257 | |
462 | |
258 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
259 | } |
|
|
260 | |
|
|
261 | pthread_mutex_unlock (&reqlock); |
|
|
262 | |
|
|
263 | errno = 0; /* strictly unnecessary */ |
|
|
264 | |
|
|
265 | type = req->type; |
|
|
266 | |
|
|
267 | switch (type) |
|
|
268 | { |
|
|
269 | #if HAVE_PREADWRITE |
|
|
270 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
271 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
|
|
272 | #else |
|
|
273 | # error "pread/pwrite cannot be emulated, fix your os" |
|
|
274 | #endif |
|
|
275 | |
|
|
276 | #if HAVE_READAHEAD |
|
|
277 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
|
|
278 | #else |
|
|
279 | // TODO: emulate |
|
|
280 | case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break; |
|
|
281 | #endif |
|
|
282 | |
|
|
283 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
|
|
284 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
|
|
285 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
|
|
286 | |
|
|
287 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
|
|
288 | case REQ_CLOSE: req->result = close (req->fd); break; |
|
|
289 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
|
|
290 | |
|
|
291 | case REQ_FDATASYNC: |
|
|
292 | #if HAVE_FDATASYNC |
|
|
293 | req->result = fdatasync (req->fd); break; |
|
|
294 | #endif |
|
|
295 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
|
|
296 | |
|
|
297 | case REQ_QUIT: |
463 | case EIO_DUP2: |
298 | break; |
464 | if (req->result > 0) |
|
|
465 | req->result = 0; |
|
|
466 | /* FALLTHROUGH */ |
299 | |
467 | |
300 | default: |
468 | default: |
301 | req->result = ENOSYS; |
469 | PUSHs (sv_2mortal (newSViv (req->result))); |
302 | break; |
470 | break; |
303 | } |
471 | } |
304 | |
472 | |
305 | req->errorno = errno; |
473 | errno = req->errorno; |
306 | |
474 | |
307 | pthread_mutex_lock (&reslock); |
475 | PUTBACK; |
|
|
476 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
|
|
477 | SPAGAIN; |
308 | |
478 | |
309 | req->next = 0; |
479 | FREETMPS; |
|
|
480 | LEAVE; |
310 | |
481 | |
311 | if (rese) |
482 | PUTBACK; |
312 | { |
|
|
313 | rese->next = req; |
|
|
314 | rese = req; |
|
|
315 | } |
|
|
316 | else |
|
|
317 | { |
|
|
318 | rese = ress = req; |
|
|
319 | |
|
|
320 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
321 | write (respipe [1], &respipe, 1); |
|
|
322 | } |
|
|
323 | |
|
|
324 | pthread_mutex_unlock (&reslock); |
|
|
325 | } |
483 | } |
326 | while (type != REQ_QUIT); |
|
|
327 | |
484 | |
|
|
485 | return !!SvTRUE (ERRSV); |
|
|
486 | } |
|
|
487 | |
|
|
488 | static void req_destroy (aio_req req) |
|
|
489 | { |
|
|
490 | if (req->self) |
|
|
491 | { |
|
|
492 | sv_unmagic (req->self, PERL_MAGIC_ext); |
|
|
493 | SvREFCNT_dec (req->self); |
|
|
494 | } |
|
|
495 | |
|
|
496 | SvREFCNT_dec (req->sv1); |
|
|
497 | SvREFCNT_dec (req->sv2); |
|
|
498 | SvREFCNT_dec (req->callback); |
|
|
499 | |
|
|
500 | Safefree (req); |
|
|
501 | } |
|
|
502 | |
|
|
503 | static void req_cancel_subs (aio_req grp) |
|
|
504 | { |
|
|
505 | aio_req sub; |
|
|
506 | |
|
|
507 | if (grp->type != EIO_GROUP) |
328 | return 0; |
508 | return; |
|
|
509 | |
|
|
510 | SvREFCNT_dec (grp->sv2); |
|
|
511 | grp->sv2 = 0; |
|
|
512 | |
|
|
513 | eio_grp_cancel (grp); |
329 | } |
514 | } |
|
|
515 | |
|
|
516 | static void |
|
|
517 | create_respipe (void) |
|
|
518 | { |
|
|
519 | if (s_epipe_renew (&respipe)) |
|
|
520 | croak ("IO::AIO: unable to initialize result pipe"); |
|
|
521 | } |
|
|
522 | |
|
|
523 | static void poll_wait (void) |
|
|
524 | { |
|
|
525 | while (eio_nreqs ()) |
|
|
526 | { |
|
|
527 | int size; |
|
|
528 | |
|
|
529 | X_LOCK (reslock); |
|
|
530 | size = res_queue.size; |
|
|
531 | X_UNLOCK (reslock); |
|
|
532 | |
|
|
533 | if (size) |
|
|
534 | return; |
|
|
535 | |
|
|
536 | etp_maybe_start_thread (); |
|
|
537 | |
|
|
538 | s_epipe_wait (&respipe); |
|
|
539 | } |
|
|
540 | } |
|
|
541 | |
|
|
542 | static int poll_cb (void) |
|
|
543 | { |
|
|
544 | for (;;) |
|
|
545 | { |
|
|
546 | int res = eio_poll (); |
|
|
547 | |
|
|
548 | if (res > 0) |
|
|
549 | croak (0); |
|
|
550 | |
|
|
551 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
552 | return res; |
|
|
553 | |
|
|
554 | poll_wait (); |
|
|
555 | } |
|
|
556 | } |
|
|
557 | |
|
|
558 | static void atfork_child (void) |
|
|
559 | { |
|
|
560 | create_respipe (); |
|
|
561 | } |
|
|
562 | |
|
|
563 | static SV * |
|
|
564 | get_cb (SV *cb_sv) |
|
|
565 | { |
|
|
566 | SvGETMAGIC (cb_sv); |
|
|
567 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
|
|
568 | } |
|
|
569 | |
|
|
570 | #define dREQ \ |
|
|
571 | SV *cb_cv; \ |
|
|
572 | aio_req req; \ |
|
|
573 | int req_pri = next_pri; \ |
|
|
574 | next_pri = EIO_PRI_DEFAULT; \ |
|
|
575 | \ |
|
|
576 | cb_cv = get_cb (callback); \ |
|
|
577 | \ |
|
|
578 | Newz (0, req, 1, eio_req); \ |
|
|
579 | if (!req) \ |
|
|
580 | croak ("out of memory during eio_req allocation"); \ |
|
|
581 | \ |
|
|
582 | req->callback = SvREFCNT_inc (cb_cv); \ |
|
|
583 | req->pri = req_pri |
|
|
584 | |
|
|
585 | #define REQ_SEND \ |
|
|
586 | PUTBACK; \ |
|
|
587 | req_submit (req); \ |
|
|
588 | SPAGAIN; \ |
|
|
589 | \ |
|
|
590 | if (GIMME_V != G_VOID) \ |
|
|
591 | XPUSHs (req_sv (req, aio_req_stash)); |
330 | |
592 | |
331 | MODULE = IO::AIO PACKAGE = IO::AIO |
593 | MODULE = IO::AIO PACKAGE = IO::AIO |
332 | |
594 | |
333 | PROTOTYPES: ENABLE |
595 | PROTOTYPES: ENABLE |
334 | |
596 | |
335 | BOOT: |
597 | BOOT: |
336 | { |
598 | { |
337 | if (pipe (respipe)) |
599 | static const struct { |
338 | croak ("unable to initialize result pipe"); |
600 | const char *name; |
|
|
601 | IV iv; |
|
|
602 | } *civ, const_iv[] = { |
|
|
603 | # define const_iv(name, value) { # name, (IV) value }, |
|
|
604 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
|
|
605 | const_iv (EXDEV , EXDEV) |
|
|
606 | const_iv (ENOSYS , ENOSYS) |
|
|
607 | const_iv (O_RDONLY, O_RDONLY) |
|
|
608 | const_iv (O_WRONLY, O_WRONLY) |
|
|
609 | const_iv (O_CREAT , O_CREAT) |
|
|
610 | const_iv (O_TRUNC , O_TRUNC) |
|
|
611 | #ifndef _WIN32 |
|
|
612 | const_iv (S_IFIFO , S_IFIFO) |
|
|
613 | #endif |
|
|
614 | const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) |
|
|
615 | const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
|
|
616 | const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) |
|
|
617 | const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
|
|
618 | const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
|
|
619 | const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
339 | |
620 | |
340 | if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
621 | const_iv (ST_RDONLY , ST_RDONLY) |
341 | croak ("cannot set result pipe to nonblocking mode"); |
622 | const_iv (ST_NOSUID , ST_NOSUID) |
|
|
623 | const_iv (ST_NODEV , ST_NODEV) |
|
|
624 | const_iv (ST_NOEXEC , ST_NOEXEC) |
|
|
625 | const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS) |
|
|
626 | const_iv (ST_MANDLOCK , ST_MANDLOCK) |
|
|
627 | const_iv (ST_WRITE , ST_WRITE) |
|
|
628 | const_iv (ST_APPEND , ST_APPEND) |
|
|
629 | const_iv (ST_IMMUTABLE , ST_IMMUTABLE) |
|
|
630 | const_iv (ST_NOATIME , ST_NOATIME) |
|
|
631 | const_iv (ST_NODIRATIME , ST_NODIRATIME) |
|
|
632 | const_iv (ST_RELATIME , ST_RELATIME) |
342 | |
633 | |
343 | if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
634 | const_eio (MS_ASYNC) |
344 | croak ("cannot set result pipe to nonblocking mode"); |
635 | const_eio (MS_INVALIDATE) |
345 | } |
636 | const_eio (MS_SYNC) |
346 | |
637 | |
|
|
638 | const_eio (MT_MODIFY) |
|
|
639 | |
|
|
640 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
|
|
641 | const_eio (SYNC_FILE_RANGE_WRITE) |
|
|
642 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
|
|
643 | |
|
|
644 | const_eio (READDIR_DENTS) |
|
|
645 | const_eio (READDIR_DIRS_FIRST) |
|
|
646 | const_eio (READDIR_STAT_ORDER) |
|
|
647 | const_eio (READDIR_FOUND_UNKNOWN) |
|
|
648 | |
|
|
649 | const_eio (DT_UNKNOWN) |
|
|
650 | const_eio (DT_FIFO) |
|
|
651 | const_eio (DT_CHR) |
|
|
652 | const_eio (DT_DIR) |
|
|
653 | const_eio (DT_BLK) |
|
|
654 | const_eio (DT_REG) |
|
|
655 | const_eio (DT_LNK) |
|
|
656 | const_eio (DT_SOCK) |
|
|
657 | const_eio (DT_WHT) |
|
|
658 | }; |
|
|
659 | |
|
|
660 | aio_stash = gv_stashpv ("IO::AIO" , 1); |
|
|
661 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
|
|
662 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
|
|
663 | |
|
|
664 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
|
|
665 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
|
|
666 | |
|
|
667 | create_respipe (); |
|
|
668 | |
|
|
669 | if (eio_init (want_poll, done_poll) < 0) |
|
|
670 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
671 | |
|
|
672 | /* atfork child called in fifo order, so before eio's handler */ |
|
|
673 | X_THREAD_ATFORK (0, 0, atfork_child); |
|
|
674 | } |
|
|
675 | |
347 | void |
676 | void |
348 | min_parallel(nthreads) |
677 | max_poll_reqs (int nreqs) |
349 | int nthreads |
|
|
350 | PROTOTYPE: $ |
678 | PROTOTYPE: $ |
351 | CODE: |
679 | CODE: |
352 | while (nthreads > started) |
680 | eio_set_max_poll_reqs (nreqs); |
353 | start_thread (); |
|
|
354 | |
681 | |
355 | void |
682 | void |
356 | max_parallel(nthreads) |
683 | max_poll_time (double nseconds) |
357 | int nthreads |
|
|
358 | PROTOTYPE: $ |
684 | PROTOTYPE: $ |
359 | CODE: |
685 | CODE: |
|
|
686 | eio_set_max_poll_time (nseconds); |
|
|
687 | |
|
|
688 | void |
|
|
689 | min_parallel (int nthreads) |
|
|
690 | PROTOTYPE: $ |
|
|
691 | CODE: |
|
|
692 | eio_set_min_parallel (nthreads); |
|
|
693 | |
|
|
694 | void |
|
|
695 | max_parallel (int nthreads) |
|
|
696 | PROTOTYPE: $ |
|
|
697 | CODE: |
|
|
698 | eio_set_max_parallel (nthreads); |
|
|
699 | |
|
|
700 | void |
|
|
701 | max_idle (int nthreads) |
|
|
702 | PROTOTYPE: $ |
|
|
703 | CODE: |
|
|
704 | eio_set_max_idle (nthreads); |
|
|
705 | |
|
|
706 | void |
|
|
707 | max_outstanding (int maxreqs) |
|
|
708 | PROTOTYPE: $ |
|
|
709 | CODE: |
|
|
710 | max_outstanding = maxreqs; |
|
|
711 | |
|
|
712 | void |
|
|
713 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
|
|
714 | PROTOTYPE: $$$;$ |
|
|
715 | PPCODE: |
360 | { |
716 | { |
361 | int cur = started; |
717 | dREQ; |
362 | while (cur > nthreads) |
718 | |
363 | { |
719 | req->type = EIO_OPEN; |
364 | end_thread (); |
720 | req->sv1 = newSVsv (pathname); |
|
|
721 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
722 | req->int1 = flags; |
|
|
723 | req->int2 = mode; |
|
|
724 | |
|
|
725 | REQ_SEND; |
|
|
726 | } |
|
|
727 | |
|
|
728 | void |
|
|
729 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
|
|
730 | PROTOTYPE: $;$ |
|
|
731 | ALIAS: |
|
|
732 | aio_fsync = EIO_FSYNC |
|
|
733 | aio_fdatasync = EIO_FDATASYNC |
|
|
734 | PPCODE: |
|
|
735 | { |
|
|
736 | int fd = s_fileno_croak (fh, 0); |
|
|
737 | dREQ; |
|
|
738 | |
|
|
739 | req->type = ix; |
|
|
740 | req->sv1 = newSVsv (fh); |
|
|
741 | req->int1 = fd; |
|
|
742 | |
|
|
743 | REQ_SEND (req); |
|
|
744 | } |
|
|
745 | |
|
|
746 | void |
|
|
747 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
|
|
748 | PROTOTYPE: $$$$;$ |
|
|
749 | PPCODE: |
|
|
750 | { |
|
|
751 | int fd = s_fileno_croak (fh, 0); |
|
|
752 | dREQ; |
|
|
753 | |
|
|
754 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
755 | req->sv1 = newSVsv (fh); |
|
|
756 | req->int1 = fd; |
|
|
757 | req->offs = offset; |
|
|
758 | req->size = nbytes; |
|
|
759 | req->int2 = flags; |
|
|
760 | |
|
|
761 | REQ_SEND (req); |
|
|
762 | } |
|
|
763 | |
|
|
764 | void |
|
|
765 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
766 | PROTOTYPE: $;$ |
|
|
767 | PPCODE: |
|
|
768 | { |
|
|
769 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
770 | int fd = s_fileno_croak (fh, 0); |
|
|
771 | dREQ; |
|
|
772 | |
|
|
773 | if (close_pipe < 0) |
|
|
774 | { |
|
|
775 | int pipefd [2]; |
|
|
776 | |
|
|
777 | if (pipe (pipefd) < 0 |
|
|
778 | || close (pipefd [1]) < 0 |
|
|
779 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
|
|
780 | abort (); /*D*/ |
|
|
781 | |
|
|
782 | close_pipe = pipefd [0]; |
|
|
783 | } |
|
|
784 | |
|
|
785 | req->type = EIO_DUP2; |
|
|
786 | req->int1 = close_pipe; |
|
|
787 | req->sv2 = newSVsv (fh); |
|
|
788 | req->int2 = fd; |
|
|
789 | |
|
|
790 | REQ_SEND (req); |
|
|
791 | } |
|
|
792 | |
|
|
793 | void |
|
|
794 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
|
|
795 | ALIAS: |
|
|
796 | aio_read = EIO_READ |
|
|
797 | aio_write = EIO_WRITE |
|
|
798 | PROTOTYPE: $$$$$;$ |
|
|
799 | PPCODE: |
|
|
800 | { |
|
|
801 | STRLEN svlen; |
|
|
802 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
|
|
803 | char *svptr = SvPVbyte (data, svlen); |
|
|
804 | UV len = SvUV (length); |
|
|
805 | |
|
|
806 | if (dataoffset < 0) |
|
|
807 | dataoffset += svlen; |
|
|
808 | |
|
|
809 | if (dataoffset < 0 || dataoffset > svlen) |
|
|
810 | croak ("dataoffset outside of data scalar"); |
|
|
811 | |
|
|
812 | if (ix == EIO_WRITE) |
|
|
813 | { |
|
|
814 | /* write: check length and adjust. */ |
|
|
815 | if (!SvOK (length) || len + dataoffset > svlen) |
|
|
816 | len = svlen - dataoffset; |
|
|
817 | } |
|
|
818 | else |
|
|
819 | { |
|
|
820 | /* read: check type and grow scalar as necessary */ |
|
|
821 | SvUPGRADE (data, SVt_PV); |
|
|
822 | svptr = SvGROW (data, len + dataoffset + 1); |
|
|
823 | } |
|
|
824 | |
|
|
825 | { |
|
|
826 | dREQ; |
|
|
827 | |
|
|
828 | req->type = ix; |
|
|
829 | req->sv1 = newSVsv (fh); |
|
|
830 | req->int1 = fd; |
|
|
831 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
832 | req->size = len; |
|
|
833 | req->sv2 = SvREFCNT_inc (data); |
|
|
834 | req->ptr2 = (char *)svptr + dataoffset; |
|
|
835 | req->stroffset = dataoffset; |
|
|
836 | |
|
|
837 | if (!SvREADONLY (data)) |
365 | cur--; |
838 | { |
|
|
839 | SvREADONLY_on (data); |
|
|
840 | req->flags |= FLAG_SV2_RO_OFF; |
366 | } |
841 | } |
367 | |
842 | |
368 | while (started > nthreads) |
843 | REQ_SEND; |
|
|
844 | } |
|
|
845 | } |
|
|
846 | |
|
|
847 | void |
|
|
848 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
|
|
849 | PROTOTYPE: $$;$ |
|
|
850 | PPCODE: |
|
|
851 | { |
|
|
852 | SV *data; |
|
|
853 | dREQ; |
|
|
854 | |
|
|
855 | req->type = EIO_READLINK; |
|
|
856 | req->sv1 = newSVsv (path); |
|
|
857 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
858 | |
|
|
859 | REQ_SEND; |
|
|
860 | } |
|
|
861 | |
|
|
862 | void |
|
|
863 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
|
|
864 | PROTOTYPE: $$$$;$ |
|
|
865 | PPCODE: |
|
|
866 | { |
|
|
867 | int ifd = s_fileno_croak (in_fh , 0); |
|
|
868 | int ofd = s_fileno_croak (out_fh, 1); |
|
|
869 | dREQ; |
|
|
870 | |
|
|
871 | req->type = EIO_SENDFILE; |
|
|
872 | req->sv1 = newSVsv (out_fh); |
|
|
873 | req->int1 = ofd; |
|
|
874 | req->sv2 = newSVsv (in_fh); |
|
|
875 | req->int2 = ifd; |
|
|
876 | req->offs = in_offset; |
|
|
877 | req->size = length; |
|
|
878 | |
|
|
879 | REQ_SEND; |
|
|
880 | } |
|
|
881 | |
|
|
882 | void |
|
|
883 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
|
|
884 | PROTOTYPE: $$$;$ |
|
|
885 | PPCODE: |
|
|
886 | { |
|
|
887 | int fd = s_fileno_croak (fh, 0); |
|
|
888 | dREQ; |
|
|
889 | |
|
|
890 | req->type = EIO_READAHEAD; |
|
|
891 | req->sv1 = newSVsv (fh); |
|
|
892 | req->int1 = fd; |
|
|
893 | req->offs = offset; |
|
|
894 | req->size = length; |
|
|
895 | |
|
|
896 | REQ_SEND; |
|
|
897 | } |
|
|
898 | |
|
|
899 | void |
|
|
900 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
|
|
901 | ALIAS: |
|
|
902 | aio_stat = EIO_STAT |
|
|
903 | aio_lstat = EIO_LSTAT |
|
|
904 | aio_statvfs = EIO_STATVFS |
|
|
905 | PPCODE: |
|
|
906 | { |
|
|
907 | dREQ; |
|
|
908 | |
|
|
909 | req->sv1 = newSVsv (fh_or_path); |
|
|
910 | |
|
|
911 | if (SvPOK (req->sv1)) |
|
|
912 | { |
|
|
913 | req->type = ix; |
|
|
914 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
915 | } |
|
|
916 | else |
|
|
917 | { |
|
|
918 | req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT; |
|
|
919 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
920 | } |
|
|
921 | |
|
|
922 | REQ_SEND; |
|
|
923 | } |
|
|
924 | |
|
|
925 | void |
|
|
926 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
927 | PPCODE: |
|
|
928 | { |
|
|
929 | dREQ; |
|
|
930 | |
|
|
931 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
932 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
933 | req->sv1 = newSVsv (fh_or_path); |
|
|
934 | |
|
|
935 | if (SvPOK (req->sv1)) |
|
|
936 | { |
|
|
937 | req->type = EIO_UTIME; |
|
|
938 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
939 | } |
|
|
940 | else |
|
|
941 | { |
|
|
942 | req->type = EIO_FUTIME; |
|
|
943 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
944 | } |
|
|
945 | |
|
|
946 | REQ_SEND; |
|
|
947 | } |
|
|
948 | |
|
|
949 | void |
|
|
950 | aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
|
|
951 | PPCODE: |
|
|
952 | { |
|
|
953 | dREQ; |
|
|
954 | |
|
|
955 | req->sv1 = newSVsv (fh_or_path); |
|
|
956 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
|
|
957 | |
|
|
958 | if (SvPOK (req->sv1)) |
|
|
959 | { |
|
|
960 | req->type = EIO_TRUNCATE; |
|
|
961 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
962 | } |
|
|
963 | else |
|
|
964 | { |
|
|
965 | req->type = EIO_FTRUNCATE; |
|
|
966 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
967 | } |
|
|
968 | |
|
|
969 | REQ_SEND; |
|
|
970 | } |
|
|
971 | |
|
|
972 | void |
|
|
973 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
974 | ALIAS: |
|
|
975 | aio_chmod = EIO_CHMOD |
|
|
976 | aio_mkdir = EIO_MKDIR |
|
|
977 | PPCODE: |
|
|
978 | { |
|
|
979 | dREQ; |
|
|
980 | |
|
|
981 | req->int2 = mode; |
|
|
982 | req->sv1 = newSVsv (fh_or_path); |
|
|
983 | |
|
|
984 | if (SvPOK (req->sv1)) |
|
|
985 | { |
|
|
986 | req->type = ix; |
|
|
987 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
988 | } |
|
|
989 | else |
|
|
990 | { |
|
|
991 | req->type = EIO_FCHMOD; |
|
|
992 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
993 | } |
|
|
994 | |
|
|
995 | REQ_SEND; |
|
|
996 | } |
|
|
997 | |
|
|
998 | void |
|
|
999 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
1000 | PPCODE: |
|
|
1001 | { |
|
|
1002 | dREQ; |
|
|
1003 | |
|
|
1004 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1005 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1006 | req->sv1 = newSVsv (fh_or_path); |
|
|
1007 | |
|
|
1008 | if (SvPOK (req->sv1)) |
|
|
1009 | { |
|
|
1010 | req->type = EIO_CHOWN; |
|
|
1011 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1012 | } |
|
|
1013 | else |
|
|
1014 | { |
|
|
1015 | req->type = EIO_FCHOWN; |
|
|
1016 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1017 | } |
|
|
1018 | |
|
|
1019 | REQ_SEND; |
|
|
1020 | } |
|
|
1021 | |
|
|
1022 | void |
|
|
1023 | aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
|
|
1024 | PPCODE: |
|
|
1025 | { |
|
|
1026 | dREQ; |
|
|
1027 | |
|
|
1028 | req->type = EIO_READDIR; |
|
|
1029 | req->sv1 = newSVsv (pathname); |
|
|
1030 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1031 | req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
|
|
1032 | |
|
|
1033 | if (flags & EIO_READDIR_DENTS) |
|
|
1034 | req->int1 |= EIO_READDIR_CUSTOM2; |
|
|
1035 | |
|
|
1036 | REQ_SEND; |
|
|
1037 | } |
|
|
1038 | |
|
|
1039 | void |
|
|
1040 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
|
|
1041 | ALIAS: |
|
|
1042 | aio_unlink = EIO_UNLINK |
|
|
1043 | aio_rmdir = EIO_RMDIR |
|
|
1044 | aio_readdir = EIO_READDIR |
|
|
1045 | PPCODE: |
|
|
1046 | { |
|
|
1047 | dREQ; |
|
|
1048 | |
|
|
1049 | req->type = ix; |
|
|
1050 | req->sv1 = newSVsv (pathname); |
|
|
1051 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1052 | |
|
|
1053 | REQ_SEND; |
|
|
1054 | } |
|
|
1055 | |
|
|
1056 | void |
|
|
1057 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
|
|
1058 | ALIAS: |
|
|
1059 | aio_link = EIO_LINK |
|
|
1060 | aio_symlink = EIO_SYMLINK |
|
|
1061 | aio_rename = EIO_RENAME |
|
|
1062 | PPCODE: |
|
|
1063 | { |
|
|
1064 | dREQ; |
|
|
1065 | |
|
|
1066 | req->type = ix; |
|
|
1067 | req->sv1 = newSVsv (oldpath); |
|
|
1068 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1069 | req->sv2 = newSVsv (newpath); |
|
|
1070 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
|
|
1071 | |
|
|
1072 | REQ_SEND; |
|
|
1073 | } |
|
|
1074 | |
|
|
1075 | void |
|
|
1076 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
|
|
1077 | PPCODE: |
|
|
1078 | { |
|
|
1079 | dREQ; |
|
|
1080 | |
|
|
1081 | req->type = EIO_MKNOD; |
|
|
1082 | req->sv1 = newSVsv (pathname); |
|
|
1083 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1084 | req->int2 = (mode_t)mode; |
|
|
1085 | req->offs = dev; |
|
|
1086 | |
|
|
1087 | REQ_SEND; |
|
|
1088 | } |
|
|
1089 | |
|
|
1090 | void |
|
|
1091 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
|
|
1092 | ALIAS: |
|
|
1093 | aio_mtouch = EIO_MTOUCH |
|
|
1094 | aio_msync = EIO_MSYNC |
|
|
1095 | PROTOTYPE: $$$$;$ |
|
|
1096 | PPCODE: |
|
|
1097 | { |
|
|
1098 | STRLEN svlen; |
|
|
1099 | UV len = SvUV (length); |
|
|
1100 | char *svptr = SvPVbyte (data, svlen); |
|
|
1101 | |
|
|
1102 | if (offset < 0) |
|
|
1103 | offset += svlen; |
|
|
1104 | |
|
|
1105 | if (offset < 0 || offset > svlen) |
|
|
1106 | croak ("offset outside of scalar"); |
|
|
1107 | |
|
|
1108 | if (!SvOK (length) || len + offset > svlen) |
|
|
1109 | len = svlen - offset; |
|
|
1110 | |
|
|
1111 | { |
|
|
1112 | dREQ; |
|
|
1113 | |
|
|
1114 | req->type = ix; |
|
|
1115 | req->size = len; |
|
|
1116 | req->sv2 = SvREFCNT_inc (data); |
|
|
1117 | req->ptr2 = (char *)svptr + offset; |
|
|
1118 | req->int1 = flags; |
|
|
1119 | |
|
|
1120 | REQ_SEND; |
|
|
1121 | } |
|
|
1122 | } |
|
|
1123 | |
|
|
1124 | void |
|
|
1125 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
|
|
1126 | PPCODE: |
|
|
1127 | { |
|
|
1128 | dREQ; |
|
|
1129 | |
|
|
1130 | req->type = EIO_BUSY; |
|
|
1131 | req->nv1 = delay < 0. ? 0. : delay; |
|
|
1132 | |
|
|
1133 | REQ_SEND; |
|
|
1134 | } |
|
|
1135 | |
|
|
1136 | void |
|
|
1137 | aio_group (SV *callback=&PL_sv_undef) |
|
|
1138 | PROTOTYPE: ;$ |
|
|
1139 | PPCODE: |
|
|
1140 | { |
|
|
1141 | dREQ; |
|
|
1142 | |
|
|
1143 | req->type = EIO_GROUP; |
|
|
1144 | |
|
|
1145 | req_submit (req); |
|
|
1146 | XPUSHs (req_sv (req, aio_grp_stash)); |
|
|
1147 | } |
|
|
1148 | |
|
|
1149 | void |
|
|
1150 | aio_nop (SV *callback=&PL_sv_undef) |
|
|
1151 | ALIAS: |
|
|
1152 | aio_nop = EIO_NOP |
|
|
1153 | aio_sync = EIO_SYNC |
|
|
1154 | PPCODE: |
|
|
1155 | { |
|
|
1156 | dREQ; |
|
|
1157 | |
|
|
1158 | req->type = ix; |
|
|
1159 | |
|
|
1160 | REQ_SEND; |
|
|
1161 | } |
|
|
1162 | |
|
|
1163 | int |
|
|
1164 | aioreq_pri (int pri = 0) |
|
|
1165 | PROTOTYPE: ;$ |
|
|
1166 | CODE: |
|
|
1167 | RETVAL = next_pri; |
|
|
1168 | if (items > 0) |
|
|
1169 | { |
|
|
1170 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
|
|
1171 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
|
|
1172 | next_pri = pri; |
|
|
1173 | } |
|
|
1174 | OUTPUT: |
|
|
1175 | RETVAL |
|
|
1176 | |
|
|
1177 | void |
|
|
1178 | aioreq_nice (int nice = 0) |
|
|
1179 | CODE: |
|
|
1180 | nice = next_pri - nice; |
|
|
1181 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
|
|
1182 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
|
|
1183 | next_pri = nice; |
|
|
1184 | |
|
|
1185 | void |
|
|
1186 | flush () |
|
|
1187 | PROTOTYPE: |
|
|
1188 | CODE: |
|
|
1189 | while (eio_nreqs ()) |
369 | { |
1190 | { |
370 | poll_wait (); |
1191 | poll_wait (); |
371 | poll_cb (); |
1192 | poll_cb (); |
372 | } |
1193 | } |
373 | } |
|
|
374 | |
1194 | |
375 | int |
1195 | int |
376 | max_outstanding(nreqs) |
|
|
377 | int nreqs |
|
|
378 | PROTOTYPE: $ |
|
|
379 | CODE: |
|
|
380 | RETVAL = max_outstanding; |
|
|
381 | max_outstanding = nreqs; |
|
|
382 | |
|
|
383 | void |
|
|
384 | aio_open(pathname,flags,mode,callback=&PL_sv_undef) |
|
|
385 | SV * pathname |
|
|
386 | int flags |
|
|
387 | int mode |
|
|
388 | SV * callback |
|
|
389 | PROTOTYPE: $$$;$ |
|
|
390 | CODE: |
|
|
391 | { |
|
|
392 | aio_req req; |
|
|
393 | |
|
|
394 | Newz (0, req, 1, aio_cb); |
|
|
395 | |
|
|
396 | if (!req) |
|
|
397 | croak ("out of memory during aio_req allocation"); |
|
|
398 | |
|
|
399 | req->type = REQ_OPEN; |
|
|
400 | req->data = newSVsv (pathname); |
|
|
401 | req->dataptr = SvPV_nolen (req->data); |
|
|
402 | req->fd = flags; |
|
|
403 | req->mode = mode; |
|
|
404 | req->callback = SvREFCNT_inc (callback); |
|
|
405 | |
|
|
406 | send_req (req); |
|
|
407 | } |
|
|
408 | |
|
|
409 | void |
|
|
410 | aio_close(fh,callback=&PL_sv_undef) |
|
|
411 | SV * fh |
|
|
412 | SV * callback |
|
|
413 | PROTOTYPE: $;$ |
|
|
414 | ALIAS: |
|
|
415 | aio_close = REQ_CLOSE |
|
|
416 | aio_fsync = REQ_FSYNC |
|
|
417 | aio_fdatasync = REQ_FDATASYNC |
|
|
418 | CODE: |
|
|
419 | { |
|
|
420 | aio_req req; |
|
|
421 | |
|
|
422 | Newz (0, req, 1, aio_cb); |
|
|
423 | |
|
|
424 | if (!req) |
|
|
425 | croak ("out of memory during aio_req allocation"); |
|
|
426 | |
|
|
427 | req->type = ix; |
|
|
428 | req->fh = newSVsv (fh); |
|
|
429 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
430 | req->callback = SvREFCNT_inc (callback); |
|
|
431 | |
|
|
432 | send_req (req); |
|
|
433 | } |
|
|
434 | |
|
|
435 | void |
|
|
436 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
|
|
437 | SV * fh |
|
|
438 | UV offset |
|
|
439 | IV length |
|
|
440 | SV * data |
|
|
441 | IV dataoffset |
|
|
442 | SV * callback |
|
|
443 | ALIAS: |
|
|
444 | aio_read = REQ_READ |
|
|
445 | aio_write = REQ_WRITE |
|
|
446 | PROTOTYPE: $$$$$;$ |
|
|
447 | CODE: |
|
|
448 | { |
|
|
449 | aio_req req; |
|
|
450 | STRLEN svlen; |
|
|
451 | char *svptr = SvPV (data, svlen); |
|
|
452 | |
|
|
453 | SvUPGRADE (data, SVt_PV); |
|
|
454 | SvPOK_on (data); |
|
|
455 | |
|
|
456 | if (dataoffset < 0) |
|
|
457 | dataoffset += svlen; |
|
|
458 | |
|
|
459 | if (dataoffset < 0 || dataoffset > svlen) |
|
|
460 | croak ("data offset outside of string"); |
|
|
461 | |
|
|
462 | if (ix == REQ_WRITE) |
|
|
463 | { |
|
|
464 | /* write: check length and adjust. */ |
|
|
465 | if (length < 0 || length + dataoffset > svlen) |
|
|
466 | length = svlen - dataoffset; |
|
|
467 | } |
|
|
468 | else |
|
|
469 | { |
|
|
470 | /* read: grow scalar as necessary */ |
|
|
471 | svptr = SvGROW (data, length + dataoffset); |
|
|
472 | } |
|
|
473 | |
|
|
474 | if (length < 0) |
|
|
475 | croak ("length must not be negative"); |
|
|
476 | |
|
|
477 | Newz (0, req, 1, aio_cb); |
|
|
478 | |
|
|
479 | if (!req) |
|
|
480 | croak ("out of memory during aio_req allocation"); |
|
|
481 | |
|
|
482 | req->type = ix; |
|
|
483 | req->fh = newSVsv (fh); |
|
|
484 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
|
|
485 | : IoOFP (sv_2io (fh))); |
|
|
486 | req->offset = offset; |
|
|
487 | req->length = length; |
|
|
488 | req->data = SvREFCNT_inc (data); |
|
|
489 | req->dataptr = (char *)svptr + dataoffset; |
|
|
490 | req->callback = SvREFCNT_inc (callback); |
|
|
491 | |
|
|
492 | send_req (req); |
|
|
493 | } |
|
|
494 | |
|
|
495 | void |
|
|
496 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
|
|
497 | SV * fh |
|
|
498 | UV offset |
|
|
499 | IV length |
|
|
500 | SV * callback |
|
|
501 | PROTOTYPE: $$$;$ |
|
|
502 | CODE: |
|
|
503 | { |
|
|
504 | aio_req req; |
|
|
505 | |
|
|
506 | if (length < 0) |
|
|
507 | croak ("length must not be negative"); |
|
|
508 | |
|
|
509 | Newz (0, req, 1, aio_cb); |
|
|
510 | |
|
|
511 | if (!req) |
|
|
512 | croak ("out of memory during aio_req allocation"); |
|
|
513 | |
|
|
514 | req->type = REQ_READAHEAD; |
|
|
515 | req->fh = newSVsv (fh); |
|
|
516 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
517 | req->offset = offset; |
|
|
518 | req->length = length; |
|
|
519 | req->callback = SvREFCNT_inc (callback); |
|
|
520 | |
|
|
521 | send_req (req); |
|
|
522 | } |
|
|
523 | |
|
|
524 | void |
|
|
525 | aio_stat(fh_or_path,callback=&PL_sv_undef) |
|
|
526 | SV * fh_or_path |
|
|
527 | SV * callback |
|
|
528 | ALIAS: |
|
|
529 | aio_stat = REQ_STAT |
|
|
530 | aio_lstat = REQ_LSTAT |
|
|
531 | CODE: |
|
|
532 | { |
|
|
533 | aio_req req; |
|
|
534 | |
|
|
535 | Newz (0, req, 1, aio_cb); |
|
|
536 | |
|
|
537 | if (!req) |
|
|
538 | croak ("out of memory during aio_req allocation"); |
|
|
539 | |
|
|
540 | New (0, req->statdata, 1, Stat_t); |
|
|
541 | |
|
|
542 | if (!req->statdata) |
|
|
543 | croak ("out of memory during aio_req->statdata allocation"); |
|
|
544 | |
|
|
545 | if (SvPOK (fh_or_path)) |
|
|
546 | { |
|
|
547 | req->type = ix; |
|
|
548 | req->data = newSVsv (fh_or_path); |
|
|
549 | req->dataptr = SvPV_nolen (req->data); |
|
|
550 | } |
|
|
551 | else |
|
|
552 | { |
|
|
553 | req->type = REQ_FSTAT; |
|
|
554 | req->fh = newSVsv (fh_or_path); |
|
|
555 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
556 | } |
|
|
557 | |
|
|
558 | req->callback = SvREFCNT_inc (callback); |
|
|
559 | |
|
|
560 | send_req (req); |
|
|
561 | } |
|
|
562 | |
|
|
563 | void |
|
|
564 | aio_unlink(pathname,callback=&PL_sv_undef) |
|
|
565 | SV * pathname |
|
|
566 | SV * callback |
|
|
567 | CODE: |
|
|
568 | { |
|
|
569 | aio_req req; |
|
|
570 | |
|
|
571 | Newz (0, req, 1, aio_cb); |
|
|
572 | |
|
|
573 | if (!req) |
|
|
574 | croak ("out of memory during aio_req allocation"); |
|
|
575 | |
|
|
576 | req->type = REQ_UNLINK; |
|
|
577 | req->data = newSVsv (pathname); |
|
|
578 | req->dataptr = SvPV_nolen (req->data); |
|
|
579 | req->callback = SvREFCNT_inc (callback); |
|
|
580 | |
|
|
581 | send_req (req); |
|
|
582 | } |
|
|
583 | |
|
|
584 | void |
|
|
585 | flush() |
|
|
586 | PROTOTYPE: |
|
|
587 | CODE: |
|
|
588 | while (nreqs) |
|
|
589 | { |
|
|
590 | poll_wait (); |
|
|
591 | poll_cb (); |
|
|
592 | } |
|
|
593 | |
|
|
594 | void |
|
|
595 | poll() |
1196 | poll() |
596 | PROTOTYPE: |
1197 | PROTOTYPE: |
597 | CODE: |
1198 | CODE: |
598 | if (nreqs) |
|
|
599 | { |
|
|
600 | poll_wait (); |
1199 | poll_wait (); |
601 | poll_cb (); |
1200 | RETVAL = poll_cb (); |
602 | } |
1201 | OUTPUT: |
|
|
1202 | RETVAL |
603 | |
1203 | |
604 | int |
1204 | int |
605 | poll_fileno() |
1205 | poll_fileno() |
606 | PROTOTYPE: |
1206 | PROTOTYPE: |
607 | CODE: |
1207 | CODE: |
608 | RETVAL = respipe [0]; |
1208 | RETVAL = s_epipe_fd (&respipe); |
609 | OUTPUT: |
1209 | OUTPUT: |
610 | RETVAL |
1210 | RETVAL |
611 | |
1211 | |
612 | int |
1212 | int |
613 | poll_cb(...) |
1213 | poll_cb(...) |
… | |
… | |
619 | |
1219 | |
620 | void |
1220 | void |
621 | poll_wait() |
1221 | poll_wait() |
622 | PROTOTYPE: |
1222 | PROTOTYPE: |
623 | CODE: |
1223 | CODE: |
624 | if (nreqs) |
|
|
625 | poll_wait (); |
1224 | poll_wait (); |
626 | |
1225 | |
627 | int |
1226 | int |
628 | nreqs() |
1227 | nreqs() |
629 | PROTOTYPE: |
1228 | PROTOTYPE: |
630 | CODE: |
1229 | CODE: |
631 | RETVAL = nreqs; |
1230 | RETVAL = eio_nreqs (); |
632 | OUTPUT: |
1231 | OUTPUT: |
633 | RETVAL |
1232 | RETVAL |
634 | |
1233 | |
|
|
1234 | int |
|
|
1235 | nready() |
|
|
1236 | PROTOTYPE: |
|
|
1237 | CODE: |
|
|
1238 | RETVAL = eio_nready (); |
|
|
1239 | OUTPUT: |
|
|
1240 | RETVAL |
|
|
1241 | |
|
|
1242 | int |
|
|
1243 | npending() |
|
|
1244 | PROTOTYPE: |
|
|
1245 | CODE: |
|
|
1246 | RETVAL = eio_npending (); |
|
|
1247 | OUTPUT: |
|
|
1248 | RETVAL |
|
|
1249 | |
|
|
1250 | int |
|
|
1251 | nthreads() |
|
|
1252 | PROTOTYPE: |
|
|
1253 | CODE: |
|
|
1254 | RETVAL = eio_nthreads (); |
|
|
1255 | OUTPUT: |
|
|
1256 | RETVAL |
|
|
1257 | |
|
|
1258 | int |
|
|
1259 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
|
|
1260 | PROTOTYPE: $$$$ |
|
|
1261 | CODE: |
|
|
1262 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
|
|
1263 | RETVAL = posix_fadvise (fh, offset, length, advice); |
|
|
1264 | #else |
|
|
1265 | RETVAL = errno = ENOSYS; |
|
|
1266 | #endif |
|
|
1267 | OUTPUT: |
|
|
1268 | RETVAL |
|
|
1269 | |
|
|
1270 | ssize_t |
|
|
1271 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
|
|
1272 | PROTOTYPE: $$$$ |
|
|
1273 | CODE: |
|
|
1274 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1275 | OUTPUT: |
|
|
1276 | RETVAL |
|
|
1277 | |
|
|
1278 | void _on_next_submit (SV *cb) |
|
|
1279 | CODE: |
|
|
1280 | SvREFCNT_dec (on_next_submit); |
|
|
1281 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1282 | |
|
|
1283 | PROTOTYPES: DISABLE |
|
|
1284 | |
|
|
1285 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
|
|
1286 | |
|
|
1287 | void |
|
|
1288 | cancel (aio_req_ornot req) |
|
|
1289 | CODE: |
|
|
1290 | eio_cancel (req); |
|
|
1291 | |
|
|
1292 | void |
|
|
1293 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
|
|
1294 | PPCODE: |
|
|
1295 | { |
|
|
1296 | if (GIMME_V != G_VOID) |
|
|
1297 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1298 | |
|
|
1299 | if (items > 1) |
|
|
1300 | { |
|
|
1301 | SV *cb_cv =get_cb (callback); |
|
|
1302 | |
|
|
1303 | SvREFCNT_dec (req->callback); |
|
|
1304 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1305 | } |
|
|
1306 | } |
|
|
1307 | |
|
|
1308 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
|
|
1309 | |
|
|
1310 | void |
|
|
1311 | add (aio_req grp, ...) |
|
|
1312 | PPCODE: |
|
|
1313 | { |
|
|
1314 | int i; |
|
|
1315 | |
|
|
1316 | if (grp->int1 == 2) |
|
|
1317 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
|
|
1318 | |
|
|
1319 | for (i = 1; i < items; ++i ) |
|
|
1320 | { |
|
|
1321 | aio_req req; |
|
|
1322 | |
|
|
1323 | if (GIMME_V != G_VOID) |
|
|
1324 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
|
|
1325 | |
|
|
1326 | req = SvAIO_REQ (ST (i)); |
|
|
1327 | |
|
|
1328 | if (req) |
|
|
1329 | eio_grp_add (grp, req); |
|
|
1330 | } |
|
|
1331 | } |
|
|
1332 | |
|
|
1333 | void |
|
|
1334 | cancel_subs (aio_req_ornot req) |
|
|
1335 | CODE: |
|
|
1336 | req_cancel_subs (req); |
|
|
1337 | |
|
|
1338 | void |
|
|
1339 | result (aio_req grp, ...) |
|
|
1340 | CODE: |
|
|
1341 | { |
|
|
1342 | int i; |
|
|
1343 | AV *av; |
|
|
1344 | |
|
|
1345 | grp->errorno = errno; |
|
|
1346 | |
|
|
1347 | av = newAV (); |
|
|
1348 | av_extend (av, items - 1); |
|
|
1349 | |
|
|
1350 | for (i = 1; i < items; ++i ) |
|
|
1351 | av_push (av, newSVsv (ST (i))); |
|
|
1352 | |
|
|
1353 | SvREFCNT_dec (grp->sv1); |
|
|
1354 | grp->sv1 = (SV *)av; |
|
|
1355 | } |
|
|
1356 | |
|
|
1357 | void |
|
|
1358 | errno (aio_req grp, int errorno = errno) |
|
|
1359 | CODE: |
|
|
1360 | grp->errorno = errorno; |
|
|
1361 | |
|
|
1362 | void |
|
|
1363 | limit (aio_req grp, int limit) |
|
|
1364 | CODE: |
|
|
1365 | eio_grp_limit (grp, limit); |
|
|
1366 | |
|
|
1367 | void |
|
|
1368 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
|
|
1369 | CODE: |
|
|
1370 | { |
|
|
1371 | SvREFCNT_dec (grp->sv2); |
|
|
1372 | grp->sv2 = newSVsv (callback); |
|
|
1373 | grp->feed = aio_grp_feed; |
|
|
1374 | |
|
|
1375 | if (grp->int2 <= 0) |
|
|
1376 | grp->int2 = 2; |
|
|
1377 | |
|
|
1378 | eio_grp_limit (grp, grp->int2); |
|
|
1379 | } |
|
|
1380 | |