1 | #include "xthread.h" |
1 | #include "libeio/xthread.h" |
2 | |
2 | |
3 | #include <errno.h> |
3 | #include <errno.h> |
4 | |
4 | |
5 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
6 | #include "perl.h" |
6 | #include "perl.h" |
… | |
… | |
13 | #include <sys/stat.h> |
13 | #include <sys/stat.h> |
14 | #include <limits.h> |
14 | #include <limits.h> |
15 | #include <fcntl.h> |
15 | #include <fcntl.h> |
16 | #include <sched.h> |
16 | #include <sched.h> |
17 | |
17 | |
|
|
18 | /* perl namespace pollution */ |
|
|
19 | #undef VERSION |
|
|
20 | |
18 | #ifdef _WIN32 |
21 | #ifdef _WIN32 |
19 | |
22 | |
20 | # define SIGIO 0 |
23 | # define EIO_STRUCT_DIRENT Direntry_t |
21 | typedef Direntry_t X_DIRENT; |
|
|
22 | #undef malloc |
24 | # undef malloc |
23 | #undef free |
25 | # undef free |
24 | |
26 | |
25 | // perl overrides all those nice win32 functions |
27 | // perl overrides all those nice win32 functions |
26 | # undef open |
28 | # undef open |
27 | # undef read |
29 | # undef read |
28 | # undef write |
30 | # undef write |
… | |
… | |
54 | # define closedir(fd) (errno = ENOSYS, -1) |
56 | # define closedir(fd) (errno = ENOSYS, -1) |
55 | # define mkdir(a,b) mkdir (a) |
57 | # define mkdir(a,b) mkdir (a) |
56 | |
58 | |
57 | #else |
59 | #else |
58 | |
60 | |
59 | # include "autoconf/config.h" |
|
|
60 | # include <sys/time.h> |
61 | # include <sys/time.h> |
61 | # include <sys/select.h> |
62 | # include <sys/select.h> |
62 | # include <unistd.h> |
63 | # include <unistd.h> |
63 | # include <utime.h> |
64 | # include <utime.h> |
64 | # include <signal.h> |
65 | # include <signal.h> |
65 | typedef struct dirent X_DIRENT; |
66 | # define EIO_STRUCT_DIRENT struct dirent |
66 | |
67 | |
67 | #endif |
68 | #endif |
68 | |
69 | |
69 | #if HAVE_SENDFILE |
70 | /* perl stupidly overrides readdir and maybe others */ |
70 | # if __linux |
71 | /* with thread-unsafe versions, imagine that :( */ |
71 | # include <sys/sendfile.h> |
72 | #undef readdir |
72 | # elif __freebsd |
73 | #undef opendir |
73 | # include <sys/socket.h> |
74 | #undef closedir |
74 | # include <sys/uio.h> |
|
|
75 | # elif __hpux |
|
|
76 | # include <sys/socket.h> |
|
|
77 | # elif __solaris /* not yet */ |
|
|
78 | # include <sys/sendfile.h> |
|
|
79 | # else |
|
|
80 | # error sendfile support requested but not available |
|
|
81 | # endif |
|
|
82 | #endif |
|
|
83 | |
75 | |
84 | /* number of seconds after which idle threads exit */ |
76 | #define EIO_STRUCT_STAT Stat_t |
85 | #define IDLE_TIMEOUT 10 |
|
|
86 | |
|
|
87 | /* used for struct dirent, AIX doesn't provide it */ |
|
|
88 | #ifndef NAME_MAX |
|
|
89 | # define NAME_MAX 4096 |
|
|
90 | #endif |
|
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91 | |
|
|
92 | /* buffer size for various temporary buffers */ |
|
|
93 | #define AIO_BUFSIZE 65536 |
|
|
94 | |
77 | |
95 | /* use NV for 32 bit perls as it allows larger offsets */ |
78 | /* use NV for 32 bit perls as it allows larger offsets */ |
96 | #if IVSIZE >= 8 |
79 | #if IVSIZE >= 8 |
97 | # define SvVAL64 SvIV |
80 | # define SvVAL64 SvIV |
98 | #else |
81 | #else |
99 | # define SvVAL64 SvNV |
82 | # define SvVAL64 SvNV |
100 | #endif |
83 | #endif |
101 | |
84 | |
102 | #define dBUF \ |
85 | static HV *stash; |
103 | char *aio_buf; \ |
|
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104 | X_LOCK (wrklock); \ |
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105 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
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106 | X_UNLOCK (wrklock); \ |
|
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107 | if (!aio_buf) \ |
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108 | return -1; |
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109 | |
|
|
110 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
86 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
111 | |
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112 | enum { |
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113 | REQ_QUIT, |
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114 | REQ_OPEN, REQ_CLOSE, |
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115 | REQ_READ, REQ_WRITE, |
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116 | REQ_READAHEAD, REQ_SENDFILE, |
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117 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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118 | REQ_TRUNCATE, REQ_FTRUNCATE, |
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119 | REQ_UTIME, REQ_FUTIME, |
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120 | REQ_CHMOD, REQ_FCHMOD, |
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121 | REQ_CHOWN, REQ_FCHOWN, |
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122 | REQ_FSYNC, REQ_FDATASYNC, |
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123 | REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME, |
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124 | REQ_MKNOD, REQ_READDIR, |
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125 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
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126 | REQ_GROUP, REQ_NOP, |
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127 | REQ_BUSY, |
|
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128 | }; |
|
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129 | |
87 | |
130 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
88 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
131 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
89 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
132 | |
90 | |
133 | typedef struct aio_cb |
91 | #define EIO_REQ_MEMBERS \ |
134 | { |
|
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135 | struct aio_cb *volatile next; |
|
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136 | |
|
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137 | SV *callback; |
92 | SV *callback; \ |
138 | SV *sv1, *sv2; |
93 | SV *sv1, *sv2; \ |
139 | void *ptr1, *ptr2; |
|
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140 | off_t offs; |
|
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141 | size_t size; |
|
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142 | ssize_t result; |
|
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143 | double nv1, nv2; |
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144 | |
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145 | STRLEN stroffset; |
94 | STRLEN stroffset; \ |
146 | int type; |
95 | SV *self; |
147 | int int1, int2, int3; |
|
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148 | int errorno; |
|
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149 | mode_t mode; /* open */ |
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150 | |
96 | |
151 | unsigned char flags; |
97 | #define EIO_NO_WRAPPERS 1 |
152 | unsigned char pri; |
|
|
153 | |
98 | |
154 | SV *self; /* the perl counterpart of this request, if any */ |
99 | #include "libeio/eio.h" |
155 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
100 | |
156 | } aio_cb; |
101 | static int req_invoke (eio_req *req); |
|
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102 | #define EIO_FINISH(req) req_invoke (req) |
|
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103 | static void aio_grp_feed (eio_req *grp); |
|
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104 | #define EIO_FEED(req) aio_grp_feed (req) |
|
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105 | static void req_destroy (eio_req *grp); |
|
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106 | #define EIO_DESTROY(req) req_destroy (req) |
157 | |
107 | |
158 | enum { |
108 | enum { |
159 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
|
|
160 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
109 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
161 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
|
|
162 | }; |
110 | }; |
163 | |
111 | |
|
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112 | #include "libeio/eio.c" |
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113 | |
164 | typedef aio_cb *aio_req; |
114 | typedef eio_req *aio_req; |
165 | typedef aio_cb *aio_req_ornot; |
115 | typedef eio_req *aio_req_ornot; |
166 | |
116 | |
167 | enum { |
117 | static SV *on_next_submit; |
168 | PRI_MIN = -4, |
118 | static int next_pri = EIO_PRI_DEFAULT; |
169 | PRI_MAX = 4, |
119 | static int max_outstanding; |
170 | |
120 | |
171 | DEFAULT_PRI = 0, |
|
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172 | PRI_BIAS = -PRI_MIN, |
|
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173 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
|
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174 | }; |
|
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175 | |
|
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176 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
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177 | |
|
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178 | static unsigned int max_poll_time = 0; |
|
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179 | static unsigned int max_poll_reqs = 0; |
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180 | |
|
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181 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
|
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182 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
|
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183 | { |
|
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184 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
|
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185 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
|
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186 | } |
|
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187 | |
|
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188 | static thread_t main_tid; |
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189 | static int main_sig; |
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190 | static int block_sig_level; |
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191 | |
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192 | void block_sig () |
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193 | { |
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194 | sigset_t ss; |
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195 | |
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196 | if (block_sig_level++) |
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197 | return; |
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198 | |
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199 | if (!main_sig) |
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200 | return; |
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201 | |
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202 | sigemptyset (&ss); |
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203 | sigaddset (&ss, main_sig); |
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204 | pthread_sigmask (SIG_BLOCK, &ss, 0); |
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205 | } |
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206 | |
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207 | void unblock_sig () |
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208 | { |
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209 | sigset_t ss; |
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210 | |
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211 | if (--block_sig_level) |
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212 | return; |
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213 | |
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214 | if (!main_sig) |
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215 | return; |
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216 | |
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217 | sigemptyset (&ss); |
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218 | sigaddset (&ss, main_sig); |
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219 | pthread_sigmask (SIG_UNBLOCK, &ss, 0); |
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220 | } |
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221 | |
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222 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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223 | |
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224 | static unsigned int started, idle, wanted; |
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225 | |
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226 | /* worker threads management */ |
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227 | static mutex_t wrklock = X_MUTEX_INIT; |
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228 | |
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229 | typedef struct worker { |
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230 | /* locked by wrklock */ |
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231 | struct worker *prev, *next; |
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232 | |
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233 | thread_t tid; |
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234 | |
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235 | /* locked by reslock, reqlock or wrklock */ |
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236 | aio_req req; /* currently processed request */ |
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237 | void *dbuf; |
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238 | DIR *dirp; |
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239 | } worker; |
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240 | |
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241 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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242 | |
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243 | static void worker_clear (worker *wrk) |
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244 | { |
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245 | if (wrk->dirp) |
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246 | { |
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247 | closedir (wrk->dirp); |
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248 | wrk->dirp = 0; |
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249 | } |
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250 | |
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251 | if (wrk->dbuf) |
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252 | { |
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253 | free (wrk->dbuf); |
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254 | wrk->dbuf = 0; |
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255 | } |
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256 | } |
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257 | |
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258 | static void worker_free (worker *wrk) |
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259 | { |
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260 | wrk->next->prev = wrk->prev; |
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261 | wrk->prev->next = wrk->next; |
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262 | |
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263 | free (wrk); |
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264 | } |
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265 | |
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266 | static volatile unsigned int nreqs, nready, npending; |
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267 | static volatile unsigned int max_idle = 4; |
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268 | static volatile unsigned int max_outstanding = 0xffffffff; |
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269 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
121 | static int respipe_osf [2], respipe [2] = { -1, -1 }; |
270 | |
122 | |
271 | static mutex_t reslock = X_MUTEX_INIT; |
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272 | static mutex_t reqlock = X_MUTEX_INIT; |
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273 | static cond_t reqwait = X_COND_INIT; |
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274 | |
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275 | #if WORDACCESS_UNSAFE |
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276 | |
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277 | static unsigned int get_nready () |
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278 | { |
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279 | unsigned int retval; |
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280 | |
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281 | X_LOCK (reqlock); |
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282 | retval = nready; |
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283 | X_UNLOCK (reqlock); |
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284 | |
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285 | return retval; |
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286 | } |
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287 | |
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288 | static unsigned int get_npending () |
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289 | { |
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290 | unsigned int retval; |
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291 | |
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292 | X_LOCK (reslock); |
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293 | retval = npending; |
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294 | X_UNLOCK (reslock); |
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295 | |
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296 | return retval; |
|
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297 | } |
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298 | |
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299 | static unsigned int get_nthreads () |
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300 | { |
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301 | unsigned int retval; |
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302 | |
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303 | X_LOCK (wrklock); |
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304 | retval = started; |
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305 | X_UNLOCK (wrklock); |
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306 | |
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307 | return retval; |
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308 | } |
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309 | |
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310 | #else |
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311 | |
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312 | # define get_nready() nready |
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313 | # define get_npending() npending |
|
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314 | # define get_nthreads() started |
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315 | |
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316 | #endif |
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317 | |
|
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318 | /* |
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319 | * a somewhat faster data structure might be nice, but |
|
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320 | * with 8 priorities this actually needs <20 insns |
|
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321 | * per shift, the most expensive operation. |
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322 | */ |
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323 | typedef struct { |
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324 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
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325 | int size; |
|
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326 | } reqq; |
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327 | |
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328 | static reqq req_queue; |
|
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329 | static reqq res_queue; |
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330 | |
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331 | int reqq_push (reqq *q, aio_req req) |
|
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332 | { |
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333 | int pri = req->pri; |
|
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334 | req->next = 0; |
|
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335 | |
|
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336 | if (q->qe[pri]) |
|
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337 | { |
|
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338 | q->qe[pri]->next = req; |
|
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339 | q->qe[pri] = req; |
|
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340 | } |
|
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341 | else |
|
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342 | q->qe[pri] = q->qs[pri] = req; |
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343 | |
|
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344 | return q->size++; |
|
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345 | } |
|
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346 | |
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347 | aio_req reqq_shift (reqq *q) |
|
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348 | { |
|
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349 | int pri; |
|
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350 | |
|
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351 | if (!q->size) |
|
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352 | return 0; |
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353 | |
|
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354 | --q->size; |
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355 | |
|
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356 | for (pri = NUM_PRI; pri--; ) |
|
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357 | { |
|
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358 | aio_req req = q->qs[pri]; |
|
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359 | |
|
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360 | if (req) |
|
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361 | { |
|
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362 | if (!(q->qs[pri] = req->next)) |
|
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363 | q->qe[pri] = 0; |
|
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364 | |
|
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365 | return req; |
|
|
366 | } |
|
|
367 | } |
|
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368 | |
|
|
369 | abort (); |
|
|
370 | } |
|
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371 | |
|
|
372 | static int poll_cb (); |
|
|
373 | static int req_invoke (aio_req req); |
|
|
374 | static void req_destroy (aio_req req); |
123 | static void req_destroy (aio_req req); |
375 | static void req_cancel (aio_req req); |
124 | static void req_cancel (aio_req req); |
|
|
125 | |
|
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126 | static void want_poll (void) |
|
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127 | { |
|
|
128 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
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129 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
|
|
130 | } |
|
|
131 | |
|
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132 | static void done_poll (void) |
|
|
133 | { |
|
|
134 | /* read any signals sent by the worker threads */ |
|
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135 | char buf [4]; |
|
|
136 | while (respipe_read (respipe [0], buf, 4) == 4) |
|
|
137 | ; |
|
|
138 | } |
376 | |
139 | |
377 | /* must be called at most once */ |
140 | /* must be called at most once */ |
378 | static SV *req_sv (aio_req req, const char *klass) |
141 | static SV *req_sv (aio_req req, const char *klass) |
379 | { |
142 | { |
380 | if (!req->self) |
143 | if (!req->self) |
… | |
… | |
398 | return mg ? (aio_req)mg->mg_ptr : 0; |
161 | return mg ? (aio_req)mg->mg_ptr : 0; |
399 | } |
162 | } |
400 | |
163 | |
401 | static void aio_grp_feed (aio_req grp) |
164 | static void aio_grp_feed (aio_req grp) |
402 | { |
165 | { |
403 | block_sig (); |
166 | if (grp->sv2 && SvOK (grp->sv2)) |
404 | |
|
|
405 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
|
|
406 | { |
167 | { |
407 | int old_len = grp->size; |
|
|
408 | |
|
|
409 | if (grp->sv2 && SvOK (grp->sv2)) |
|
|
410 | { |
|
|
411 | dSP; |
168 | dSP; |
412 | |
169 | |
413 | ENTER; |
170 | ENTER; |
414 | SAVETMPS; |
171 | SAVETMPS; |
415 | PUSHMARK (SP); |
172 | PUSHMARK (SP); |
416 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
173 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
417 | PUTBACK; |
174 | PUTBACK; |
418 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
175 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
419 | SPAGAIN; |
176 | SPAGAIN; |
420 | FREETMPS; |
177 | FREETMPS; |
421 | LEAVE; |
178 | LEAVE; |
422 | } |
|
|
423 | |
|
|
424 | /* stop if no progress has been made */ |
|
|
425 | if (old_len == grp->size) |
|
|
426 | { |
|
|
427 | SvREFCNT_dec (grp->sv2); |
|
|
428 | grp->sv2 = 0; |
|
|
429 | break; |
|
|
430 | } |
|
|
431 | } |
179 | } |
432 | |
|
|
433 | unblock_sig (); |
|
|
434 | } |
180 | } |
435 | |
181 | |
436 | static void aio_grp_dec (aio_req grp) |
182 | static void req_submit (eio_req *req) |
437 | { |
183 | { |
438 | --grp->size; |
184 | eio_submit (req); |
439 | |
185 | |
440 | /* call feeder, if applicable */ |
186 | if (on_next_submit) |
441 | aio_grp_feed (grp); |
|
|
442 | |
|
|
443 | /* finish, if done */ |
|
|
444 | if (!grp->size && grp->int1) |
|
|
445 | { |
187 | { |
446 | block_sig (); |
188 | dSP; |
|
|
189 | SV *cb = sv_2mortal (on_next_submit); |
447 | |
190 | |
448 | if (!req_invoke (grp)) |
191 | on_next_submit = 0; |
449 | { |
|
|
450 | req_destroy (grp); |
|
|
451 | unblock_sig (); |
|
|
452 | croak (0); |
|
|
453 | } |
|
|
454 | |
192 | |
455 | req_destroy (grp); |
193 | PUSHMARK (SP); |
456 | unblock_sig (); |
194 | PUTBACK; |
|
|
195 | call_sv (cb, G_DISCARD | G_EVAL); |
457 | } |
196 | } |
458 | } |
197 | } |
459 | |
198 | |
460 | static int req_invoke (aio_req req) |
199 | static int req_invoke (eio_req *req) |
461 | { |
200 | { |
462 | dSP; |
201 | dSP; |
463 | |
202 | |
464 | if (req->flags & FLAG_SV2_RO_OFF) |
203 | if (req->flags & FLAG_SV2_RO_OFF) |
465 | SvREADONLY_off (req->sv2); |
204 | SvREADONLY_off (req->sv2); |
466 | |
205 | |
467 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
206 | if (!EIO_CANCELLED (req) && SvOK (req->callback)) |
468 | { |
207 | { |
469 | ENTER; |
208 | ENTER; |
470 | SAVETMPS; |
209 | SAVETMPS; |
471 | PUSHMARK (SP); |
210 | PUSHMARK (SP); |
472 | EXTEND (SP, 1); |
211 | EXTEND (SP, 1); |
473 | |
212 | |
474 | switch (req->type) |
213 | switch (req->type) |
475 | { |
214 | { |
476 | case REQ_READDIR: |
215 | case EIO_READDIR: |
477 | { |
216 | { |
478 | SV *rv = &PL_sv_undef; |
217 | SV *rv = &PL_sv_undef; |
479 | |
218 | |
480 | if (req->result >= 0) |
219 | if (req->result >= 0) |
481 | { |
220 | { |
… | |
… | |
498 | |
237 | |
499 | PUSHs (rv); |
238 | PUSHs (rv); |
500 | } |
239 | } |
501 | break; |
240 | break; |
502 | |
241 | |
503 | case REQ_OPEN: |
242 | case EIO_OPEN: |
504 | { |
243 | { |
505 | /* convert fd to fh */ |
244 | /* convert fd to fh */ |
506 | SV *fh; |
245 | SV *fh = &PL_sv_undef; |
507 | |
246 | |
508 | PUSHs (sv_2mortal (newSViv (req->result))); |
247 | if (req->result >= 0) |
509 | PUTBACK; |
248 | { |
510 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
249 | GV *gv = (GV *)sv_newmortal (); |
511 | SPAGAIN; |
250 | int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
|
|
251 | char sym [64]; |
|
|
252 | int symlen; |
|
|
253 | |
|
|
254 | symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); |
|
|
255 | gv_init (gv, stash, sym, symlen, 0); |
512 | |
256 | |
513 | fh = POPs; |
257 | symlen = snprintf ( |
514 | PUSHMARK (SP); |
258 | sym, |
|
|
259 | sizeof (sym), |
|
|
260 | "%s&=%d", |
|
|
261 | flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
|
|
262 | req->result |
|
|
263 | ); |
|
|
264 | |
|
|
265 | if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
|
|
266 | fh = (SV *)gv; |
|
|
267 | } |
|
|
268 | |
515 | XPUSHs (fh); |
269 | PUSHs (fh); |
516 | } |
270 | } |
517 | break; |
271 | break; |
518 | |
272 | |
519 | case REQ_GROUP: |
273 | case EIO_GROUP: |
520 | req->int1 = 2; /* mark group as finished */ |
274 | req->int1 = 2; /* mark group as finished */ |
521 | |
275 | |
522 | if (req->sv1) |
276 | if (req->sv1) |
523 | { |
277 | { |
524 | int i; |
278 | int i; |
… | |
… | |
528 | for (i = 0; i <= AvFILL (av); ++i) |
282 | for (i = 0; i <= AvFILL (av); ++i) |
529 | PUSHs (*av_fetch (av, i, 0)); |
283 | PUSHs (*av_fetch (av, i, 0)); |
530 | } |
284 | } |
531 | break; |
285 | break; |
532 | |
286 | |
533 | case REQ_NOP: |
287 | case EIO_NOP: |
534 | case REQ_BUSY: |
288 | case EIO_BUSY: |
535 | break; |
289 | break; |
536 | |
290 | |
537 | case REQ_READLINK: |
291 | case EIO_READLINK: |
538 | if (req->result > 0) |
292 | if (req->result > 0) |
539 | { |
293 | PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
540 | SvCUR_set (req->sv2, req->result); |
|
|
541 | *SvEND (req->sv2) = 0; |
|
|
542 | PUSHs (req->sv2); |
|
|
543 | } |
|
|
544 | break; |
294 | break; |
545 | |
295 | |
546 | case REQ_STAT: |
296 | case EIO_STAT: |
547 | case REQ_LSTAT: |
297 | case EIO_LSTAT: |
548 | case REQ_FSTAT: |
298 | case EIO_FSTAT: |
549 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
299 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
550 | PL_laststatval = req->result; |
300 | PL_laststatval = req->result; |
551 | PL_statcache = *(Stat_t *)(req->ptr2); |
301 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
552 | PUSHs (sv_2mortal (newSViv (req->result))); |
302 | PUSHs (sv_2mortal (newSViv (req->result))); |
553 | break; |
303 | break; |
554 | |
304 | |
555 | case REQ_READ: |
305 | case EIO_READ: |
556 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
306 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
557 | *SvEND (req->sv2) = 0; |
307 | *SvEND (req->sv2) = 0; |
558 | PUSHs (sv_2mortal (newSViv (req->result))); |
308 | PUSHs (sv_2mortal (newSViv (req->result))); |
559 | break; |
309 | break; |
560 | |
310 | |
|
|
311 | case EIO_DUP2: |
|
|
312 | if (req->result > 0) |
|
|
313 | req->result = 0; |
|
|
314 | /* FALLTHROUGH */ |
|
|
315 | |
561 | default: |
316 | default: |
562 | PUSHs (sv_2mortal (newSViv (req->result))); |
317 | PUSHs (sv_2mortal (newSViv (req->result))); |
563 | break; |
318 | break; |
564 | } |
319 | } |
565 | |
320 | |
566 | errno = req->errorno; |
321 | errno = req->errorno; |
567 | |
322 | |
568 | PUTBACK; |
323 | PUTBACK; |
569 | call_sv (req->callback, G_VOID | G_EVAL); |
324 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
570 | SPAGAIN; |
325 | SPAGAIN; |
571 | |
326 | |
572 | FREETMPS; |
327 | FREETMPS; |
573 | LEAVE; |
328 | LEAVE; |
|
|
329 | |
|
|
330 | PUTBACK; |
574 | } |
331 | } |
575 | |
332 | |
576 | if (req->grp) |
|
|
577 | { |
|
|
578 | aio_req grp = req->grp; |
|
|
579 | |
|
|
580 | /* unlink request */ |
|
|
581 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
|
582 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
|
583 | |
|
|
584 | if (grp->grp_first == req) |
|
|
585 | grp->grp_first = req->grp_next; |
|
|
586 | |
|
|
587 | aio_grp_dec (grp); |
|
|
588 | } |
|
|
589 | |
|
|
590 | return !SvTRUE (ERRSV); |
333 | return !!SvTRUE (ERRSV); |
591 | } |
334 | } |
592 | |
335 | |
593 | static void req_destroy (aio_req req) |
336 | static void req_destroy (aio_req req) |
594 | { |
337 | { |
595 | if (req->self) |
338 | if (req->self) |
… | |
… | |
600 | |
343 | |
601 | SvREFCNT_dec (req->sv1); |
344 | SvREFCNT_dec (req->sv1); |
602 | SvREFCNT_dec (req->sv2); |
345 | SvREFCNT_dec (req->sv2); |
603 | SvREFCNT_dec (req->callback); |
346 | SvREFCNT_dec (req->callback); |
604 | |
347 | |
605 | if (req->flags & FLAG_PTR2_FREE) |
|
|
606 | free (req->ptr2); |
|
|
607 | |
|
|
608 | Safefree (req); |
348 | Safefree (req); |
609 | } |
349 | } |
610 | |
350 | |
611 | static void req_cancel_subs (aio_req grp) |
351 | static void req_cancel_subs (aio_req grp) |
612 | { |
352 | { |
613 | aio_req sub; |
353 | aio_req sub; |
614 | |
354 | |
615 | if (grp->type != REQ_GROUP) |
355 | if (grp->type != EIO_GROUP) |
616 | return; |
356 | return; |
617 | |
357 | |
618 | SvREFCNT_dec (grp->sv2); |
358 | SvREFCNT_dec (grp->sv2); |
619 | grp->sv2 = 0; |
359 | grp->sv2 = 0; |
620 | |
360 | |
621 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
361 | eio_grp_cancel (grp); |
622 | req_cancel (sub); |
|
|
623 | } |
|
|
624 | |
|
|
625 | static void req_cancel (aio_req req) |
|
|
626 | { |
|
|
627 | req->flags |= FLAG_CANCELLED; |
|
|
628 | |
|
|
629 | req_cancel_subs (req); |
|
|
630 | } |
362 | } |
631 | |
363 | |
632 | #ifdef USE_SOCKETS_AS_HANDLES |
364 | #ifdef USE_SOCKETS_AS_HANDLES |
633 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
365 | # define TO_SOCKET(x) (win32_get_osfhandle (x)) |
634 | #else |
366 | #else |
635 | # define TO_SOCKET(x) (x) |
367 | # define TO_SOCKET(x) (x) |
636 | #endif |
368 | #endif |
637 | |
369 | |
638 | static void |
370 | static void |
639 | create_respipe () |
371 | create_respipe (void) |
640 | { |
372 | { |
641 | int old_readfd = respipe [0]; |
373 | int old_readfd = respipe [0]; |
642 | |
374 | |
643 | if (respipe [1] >= 0) |
375 | if (respipe [1] >= 0) |
644 | respipe_close (TO_SOCKET (respipe [1])); |
376 | respipe_close (TO_SOCKET (respipe [1])); |
… | |
… | |
671 | |
403 | |
672 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
404 | respipe_osf [0] = TO_SOCKET (respipe [0]); |
673 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
405 | respipe_osf [1] = TO_SOCKET (respipe [1]); |
674 | } |
406 | } |
675 | |
407 | |
676 | X_THREAD_PROC (aio_proc); |
|
|
677 | |
|
|
678 | static void start_thread (void) |
|
|
679 | { |
|
|
680 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
681 | |
|
|
682 | if (!wrk) |
|
|
683 | croak ("unable to allocate worker thread data"); |
|
|
684 | |
|
|
685 | X_LOCK (wrklock); |
|
|
686 | |
|
|
687 | if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) |
|
|
688 | { |
|
|
689 | wrk->prev = &wrk_first; |
|
|
690 | wrk->next = wrk_first.next; |
|
|
691 | wrk_first.next->prev = wrk; |
|
|
692 | wrk_first.next = wrk; |
|
|
693 | ++started; |
|
|
694 | } |
|
|
695 | else |
|
|
696 | free (wrk); |
|
|
697 | |
|
|
698 | X_UNLOCK (wrklock); |
|
|
699 | } |
|
|
700 | |
|
|
701 | static void maybe_start_thread () |
|
|
702 | { |
|
|
703 | if (get_nthreads () >= wanted) |
|
|
704 | return; |
|
|
705 | |
|
|
706 | /* todo: maybe use idle here, but might be less exact */ |
|
|
707 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
|
|
708 | return; |
|
|
709 | |
|
|
710 | start_thread (); |
|
|
711 | } |
|
|
712 | |
|
|
713 | static void req_send (aio_req req) |
|
|
714 | { |
|
|
715 | block_sig (); |
|
|
716 | |
|
|
717 | ++nreqs; |
|
|
718 | |
|
|
719 | X_LOCK (reqlock); |
|
|
720 | ++nready; |
|
|
721 | reqq_push (&req_queue, req); |
|
|
722 | X_COND_SIGNAL (reqwait); |
|
|
723 | X_UNLOCK (reqlock); |
|
|
724 | |
|
|
725 | unblock_sig (); |
|
|
726 | |
|
|
727 | maybe_start_thread (); |
|
|
728 | } |
|
|
729 | |
|
|
730 | static void end_thread (void) |
|
|
731 | { |
|
|
732 | aio_req req; |
|
|
733 | |
|
|
734 | Newz (0, req, 1, aio_cb); |
|
|
735 | |
|
|
736 | req->type = REQ_QUIT; |
|
|
737 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
738 | |
|
|
739 | X_LOCK (reqlock); |
|
|
740 | reqq_push (&req_queue, req); |
|
|
741 | X_COND_SIGNAL (reqwait); |
|
|
742 | X_UNLOCK (reqlock); |
|
|
743 | |
|
|
744 | X_LOCK (wrklock); |
|
|
745 | --started; |
|
|
746 | X_UNLOCK (wrklock); |
|
|
747 | } |
|
|
748 | |
|
|
749 | static void set_max_idle (int nthreads) |
|
|
750 | { |
|
|
751 | if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
|
|
752 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
753 | if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
|
|
754 | } |
|
|
755 | |
|
|
756 | static void min_parallel (int nthreads) |
|
|
757 | { |
|
|
758 | if (wanted < nthreads) |
|
|
759 | wanted = nthreads; |
|
|
760 | } |
|
|
761 | |
|
|
762 | static void max_parallel (int nthreads) |
|
|
763 | { |
|
|
764 | if (wanted > nthreads) |
|
|
765 | wanted = nthreads; |
|
|
766 | |
|
|
767 | while (started > wanted) |
|
|
768 | end_thread (); |
|
|
769 | } |
|
|
770 | |
|
|
771 | static void poll_wait () |
408 | static void poll_wait (void) |
772 | { |
409 | { |
773 | fd_set rfd; |
410 | fd_set rfd; |
774 | |
411 | |
775 | while (nreqs) |
412 | while (eio_nreqs ()) |
776 | { |
413 | { |
777 | int size; |
414 | int size; |
778 | if (WORDACCESS_UNSAFE) X_LOCK (reslock); |
415 | |
|
|
416 | X_LOCK (reslock); |
779 | size = res_queue.size; |
417 | size = res_queue.size; |
780 | if (WORDACCESS_UNSAFE) X_UNLOCK (reslock); |
418 | X_UNLOCK (reslock); |
781 | |
419 | |
782 | if (size) |
420 | if (size) |
783 | return; |
421 | return; |
784 | |
422 | |
785 | maybe_start_thread (); |
423 | etp_maybe_start_thread (); |
786 | |
424 | |
787 | FD_ZERO (&rfd); |
425 | FD_ZERO (&rfd); |
788 | FD_SET (respipe [0], &rfd); |
426 | FD_SET (respipe [0], &rfd); |
789 | |
427 | |
790 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
428 | PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
791 | } |
429 | } |
792 | } |
430 | } |
793 | |
431 | |
794 | static int poll_cb () |
432 | static int poll_cb (void) |
795 | { |
433 | { |
796 | dSP; |
|
|
797 | int count = 0; |
|
|
798 | int maxreqs = max_poll_reqs; |
|
|
799 | int do_croak = 0; |
|
|
800 | struct timeval tv_start, tv_now; |
|
|
801 | aio_req req; |
|
|
802 | |
|
|
803 | if (max_poll_time) |
|
|
804 | gettimeofday (&tv_start, 0); |
|
|
805 | |
|
|
806 | block_sig (); |
|
|
807 | |
|
|
808 | for (;;) |
434 | for (;;) |
809 | { |
435 | { |
810 | for (;;) |
436 | int res = eio_poll (); |
811 | { |
|
|
812 | maybe_start_thread (); |
|
|
813 | |
437 | |
814 | X_LOCK (reslock); |
438 | if (res > 0) |
815 | req = reqq_shift (&res_queue); |
|
|
816 | |
|
|
817 | if (req) |
|
|
818 | { |
|
|
819 | --npending; |
|
|
820 | |
|
|
821 | if (!res_queue.size) |
|
|
822 | { |
|
|
823 | /* read any signals sent by the worker threads */ |
|
|
824 | char buf [4]; |
|
|
825 | while (respipe_read (respipe [0], buf, 4) == 4) |
|
|
826 | ; |
|
|
827 | } |
|
|
828 | } |
|
|
829 | |
|
|
830 | X_UNLOCK (reslock); |
|
|
831 | |
|
|
832 | if (!req) |
|
|
833 | break; |
|
|
834 | |
|
|
835 | --nreqs; |
|
|
836 | |
|
|
837 | if (req->type == REQ_GROUP && req->size) |
|
|
838 | { |
|
|
839 | req->int1 = 1; /* mark request as delayed */ |
|
|
840 | continue; |
|
|
841 | } |
|
|
842 | else |
|
|
843 | { |
|
|
844 | if (!req_invoke (req)) |
|
|
845 | { |
|
|
846 | req_destroy (req); |
|
|
847 | unblock_sig (); |
|
|
848 | croak (0); |
439 | croak (0); |
849 | } |
|
|
850 | |
440 | |
851 | count++; |
441 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
852 | } |
442 | return res; |
853 | |
|
|
854 | req_destroy (req); |
|
|
855 | |
|
|
856 | if (maxreqs && !--maxreqs) |
|
|
857 | break; |
|
|
858 | |
|
|
859 | if (max_poll_time) |
|
|
860 | { |
|
|
861 | gettimeofday (&tv_now, 0); |
|
|
862 | |
|
|
863 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
|
|
864 | break; |
|
|
865 | } |
|
|
866 | } |
|
|
867 | |
|
|
868 | if (nreqs <= max_outstanding) |
|
|
869 | break; |
|
|
870 | |
443 | |
871 | poll_wait (); |
444 | poll_wait (); |
872 | |
|
|
873 | ++maxreqs; |
|
|
874 | } |
445 | } |
875 | |
|
|
876 | unblock_sig (); |
|
|
877 | return count; |
|
|
878 | } |
|
|
879 | |
|
|
880 | /*****************************************************************************/ |
|
|
881 | /* work around various missing functions */ |
|
|
882 | |
|
|
883 | #if !HAVE_PREADWRITE |
|
|
884 | # define pread aio_pread |
|
|
885 | # define pwrite aio_pwrite |
|
|
886 | |
|
|
887 | /* |
|
|
888 | * make our pread/pwrite safe against themselves, but not against |
|
|
889 | * normal read/write by using a mutex. slows down execution a lot, |
|
|
890 | * but that's your problem, not mine. |
|
|
891 | */ |
|
|
892 | static mutex_t preadwritelock = X_MUTEX_INIT; |
|
|
893 | |
|
|
894 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
|
|
895 | { |
|
|
896 | ssize_t res; |
|
|
897 | off_t ooffset; |
|
|
898 | |
|
|
899 | X_LOCK (preadwritelock); |
|
|
900 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
901 | lseek (fd, offset, SEEK_SET); |
|
|
902 | res = read (fd, buf, count); |
|
|
903 | lseek (fd, ooffset, SEEK_SET); |
|
|
904 | X_UNLOCK (preadwritelock); |
|
|
905 | |
|
|
906 | return res; |
|
|
907 | } |
|
|
908 | |
|
|
909 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
|
|
910 | { |
|
|
911 | ssize_t res; |
|
|
912 | off_t ooffset; |
|
|
913 | |
|
|
914 | X_LOCK (preadwritelock); |
|
|
915 | ooffset = lseek (fd, 0, SEEK_CUR); |
|
|
916 | lseek (fd, offset, SEEK_SET); |
|
|
917 | res = write (fd, buf, count); |
|
|
918 | lseek (fd, offset, SEEK_SET); |
|
|
919 | X_UNLOCK (preadwritelock); |
|
|
920 | |
|
|
921 | return res; |
|
|
922 | } |
|
|
923 | #endif |
|
|
924 | |
|
|
925 | #ifndef HAVE_FUTIMES |
|
|
926 | |
|
|
927 | # define utimes(path,times) aio_utimes (path, times) |
|
|
928 | # define futimes(fd,times) aio_futimes (fd, times) |
|
|
929 | |
|
|
930 | int aio_utimes (const char *filename, const struct timeval times[2]) |
|
|
931 | { |
|
|
932 | if (times) |
|
|
933 | { |
|
|
934 | struct utimbuf buf; |
|
|
935 | |
|
|
936 | buf.actime = times[0].tv_sec; |
|
|
937 | buf.modtime = times[1].tv_sec; |
|
|
938 | |
|
|
939 | return utime (filename, &buf); |
|
|
940 | } |
|
|
941 | else |
|
|
942 | return utime (filename, 0); |
|
|
943 | } |
|
|
944 | |
|
|
945 | int aio_futimes (int fd, const struct timeval tv[2]) |
|
|
946 | { |
|
|
947 | errno = ENOSYS; |
|
|
948 | return -1; |
|
|
949 | } |
|
|
950 | |
|
|
951 | #endif |
|
|
952 | |
|
|
953 | #if !HAVE_FDATASYNC |
|
|
954 | # define fdatasync fsync |
|
|
955 | #endif |
|
|
956 | |
|
|
957 | #if !HAVE_READAHEAD |
|
|
958 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
|
|
959 | |
|
|
960 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
|
|
961 | { |
|
|
962 | size_t todo = count; |
|
|
963 | dBUF; |
|
|
964 | |
|
|
965 | while (todo > 0) |
|
|
966 | { |
|
|
967 | size_t len = todo < AIO_BUFSIZE ? todo : AIO_BUFSIZE; |
|
|
968 | |
|
|
969 | pread (fd, aio_buf, len, offset); |
|
|
970 | offset += len; |
|
|
971 | todo -= len; |
|
|
972 | } |
|
|
973 | |
|
|
974 | errno = 0; |
|
|
975 | return count; |
|
|
976 | } |
|
|
977 | |
|
|
978 | #endif |
|
|
979 | |
|
|
980 | #if !HAVE_READDIR_R |
|
|
981 | # define readdir_r aio_readdir_r |
|
|
982 | |
|
|
983 | static mutex_t readdirlock = X_MUTEX_INIT; |
|
|
984 | |
|
|
985 | static int readdir_r (DIR *dirp, X_DIRENT *ent, X_DIRENT **res) |
|
|
986 | { |
|
|
987 | X_DIRENT *e; |
|
|
988 | int errorno; |
|
|
989 | |
|
|
990 | X_LOCK (readdirlock); |
|
|
991 | |
|
|
992 | e = readdir (dirp); |
|
|
993 | errorno = errno; |
|
|
994 | |
|
|
995 | if (e) |
|
|
996 | { |
|
|
997 | *res = ent; |
|
|
998 | strcpy (ent->d_name, e->d_name); |
|
|
999 | } |
|
|
1000 | else |
|
|
1001 | *res = 0; |
|
|
1002 | |
|
|
1003 | X_UNLOCK (readdirlock); |
|
|
1004 | |
|
|
1005 | errno = errorno; |
|
|
1006 | return e ? 0 : -1; |
|
|
1007 | } |
|
|
1008 | #endif |
|
|
1009 | |
|
|
1010 | /* sendfile always needs emulation */ |
|
|
1011 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
|
|
1012 | { |
|
|
1013 | ssize_t res; |
|
|
1014 | |
|
|
1015 | if (!count) |
|
|
1016 | return 0; |
|
|
1017 | |
|
|
1018 | #if HAVE_SENDFILE |
|
|
1019 | # if __linux |
|
|
1020 | res = sendfile (ofd, ifd, &offset, count); |
|
|
1021 | |
|
|
1022 | # elif __freebsd |
|
|
1023 | /* |
|
|
1024 | * Of course, the freebsd sendfile is a dire hack with no thoughts |
|
|
1025 | * wasted on making it similar to other I/O functions. |
|
|
1026 | */ |
|
|
1027 | { |
|
|
1028 | off_t sbytes; |
|
|
1029 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
|
|
1030 | |
|
|
1031 | if (res < 0 && sbytes) |
|
|
1032 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
|
|
1033 | res = sbytes; |
|
|
1034 | } |
|
|
1035 | |
|
|
1036 | # elif __hpux |
|
|
1037 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
|
|
1038 | |
|
|
1039 | # elif __solaris |
|
|
1040 | { |
|
|
1041 | struct sendfilevec vec; |
|
|
1042 | size_t sbytes; |
|
|
1043 | |
|
|
1044 | vec.sfv_fd = ifd; |
|
|
1045 | vec.sfv_flag = 0; |
|
|
1046 | vec.sfv_off = offset; |
|
|
1047 | vec.sfv_len = count; |
|
|
1048 | |
|
|
1049 | res = sendfilev (ofd, &vec, 1, &sbytes); |
|
|
1050 | |
|
|
1051 | if (res < 0 && sbytes) |
|
|
1052 | res = sbytes; |
|
|
1053 | } |
|
|
1054 | |
|
|
1055 | # endif |
|
|
1056 | #else |
|
|
1057 | res = -1; |
|
|
1058 | errno = ENOSYS; |
|
|
1059 | #endif |
|
|
1060 | |
|
|
1061 | if (res < 0 |
|
|
1062 | && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK |
|
|
1063 | #if __solaris |
|
|
1064 | || errno == EAFNOSUPPORT || errno == EPROTOTYPE |
|
|
1065 | #endif |
|
|
1066 | ) |
|
|
1067 | ) |
|
|
1068 | { |
|
|
1069 | /* emulate sendfile. this is a major pain in the ass */ |
|
|
1070 | dBUF; |
|
|
1071 | |
|
|
1072 | res = 0; |
|
|
1073 | |
|
|
1074 | while (count) |
|
|
1075 | { |
|
|
1076 | ssize_t cnt; |
|
|
1077 | |
|
|
1078 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
|
|
1079 | |
|
|
1080 | if (cnt <= 0) |
|
|
1081 | { |
|
|
1082 | if (cnt && !res) res = -1; |
|
|
1083 | break; |
|
|
1084 | } |
|
|
1085 | |
|
|
1086 | cnt = write (ofd, aio_buf, cnt); |
|
|
1087 | |
|
|
1088 | if (cnt <= 0) |
|
|
1089 | { |
|
|
1090 | if (cnt && !res) res = -1; |
|
|
1091 | break; |
|
|
1092 | } |
|
|
1093 | |
|
|
1094 | offset += cnt; |
|
|
1095 | res += cnt; |
|
|
1096 | count -= cnt; |
|
|
1097 | } |
|
|
1098 | } |
|
|
1099 | |
|
|
1100 | return res; |
|
|
1101 | } |
|
|
1102 | |
|
|
1103 | /* read a full directory */ |
|
|
1104 | static void scandir_ (aio_req req, worker *self) |
|
|
1105 | { |
|
|
1106 | DIR *dirp; |
|
|
1107 | union |
|
|
1108 | { |
|
|
1109 | X_DIRENT d; |
|
|
1110 | char b [offsetof (X_DIRENT, d_name) + NAME_MAX + 1]; |
|
|
1111 | } *u; |
|
|
1112 | X_DIRENT *entp; |
|
|
1113 | char *name, *names; |
|
|
1114 | int memlen = 4096; |
|
|
1115 | int memofs = 0; |
|
|
1116 | int res = 0; |
|
|
1117 | |
|
|
1118 | X_LOCK (wrklock); |
|
|
1119 | self->dirp = dirp = opendir (req->ptr1); |
|
|
1120 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1121 | req->flags |= FLAG_PTR2_FREE; |
|
|
1122 | req->ptr2 = names = malloc (memlen); |
|
|
1123 | X_UNLOCK (wrklock); |
|
|
1124 | |
|
|
1125 | if (dirp && u && names) |
|
|
1126 | for (;;) |
|
|
1127 | { |
|
|
1128 | errno = 0; |
|
|
1129 | readdir_r (dirp, &u->d, &entp); |
|
|
1130 | |
|
|
1131 | if (!entp) |
|
|
1132 | break; |
|
|
1133 | |
|
|
1134 | name = entp->d_name; |
|
|
1135 | |
|
|
1136 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
1137 | { |
|
|
1138 | int len = strlen (name) + 1; |
|
|
1139 | |
|
|
1140 | res++; |
|
|
1141 | |
|
|
1142 | while (memofs + len > memlen) |
|
|
1143 | { |
|
|
1144 | memlen *= 2; |
|
|
1145 | X_LOCK (wrklock); |
|
|
1146 | req->ptr2 = names = realloc (names, memlen); |
|
|
1147 | X_UNLOCK (wrklock); |
|
|
1148 | |
|
|
1149 | if (!names) |
|
|
1150 | break; |
|
|
1151 | } |
|
|
1152 | |
|
|
1153 | memcpy (names + memofs, name, len); |
|
|
1154 | memofs += len; |
|
|
1155 | } |
|
|
1156 | } |
|
|
1157 | |
|
|
1158 | if (errno) |
|
|
1159 | res = -1; |
|
|
1160 | |
|
|
1161 | req->result = res; |
|
|
1162 | } |
|
|
1163 | |
|
|
1164 | /*****************************************************************************/ |
|
|
1165 | |
|
|
1166 | X_THREAD_PROC (aio_proc) |
|
|
1167 | { |
|
|
1168 | {//D |
|
|
1169 | aio_req req; |
|
|
1170 | struct timespec ts; |
|
|
1171 | worker *self = (worker *)thr_arg; |
|
|
1172 | |
|
|
1173 | /* try to distribute timeouts somewhat randomly */ |
|
|
1174 | ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); |
|
|
1175 | |
|
|
1176 | for (;;) |
|
|
1177 | { |
|
|
1178 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1179 | |
|
|
1180 | X_LOCK (reqlock); |
|
|
1181 | |
|
|
1182 | for (;;) |
|
|
1183 | { |
|
|
1184 | self->req = req = reqq_shift (&req_queue); |
|
|
1185 | |
|
|
1186 | if (req) |
|
|
1187 | break; |
|
|
1188 | |
|
|
1189 | ++idle; |
|
|
1190 | |
|
|
1191 | if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) |
|
|
1192 | == ETIMEDOUT) |
|
|
1193 | { |
|
|
1194 | if (idle > max_idle) |
|
|
1195 | { |
|
|
1196 | --idle; |
|
|
1197 | X_UNLOCK (reqlock); |
|
|
1198 | X_LOCK (wrklock); |
|
|
1199 | --started; |
|
|
1200 | X_UNLOCK (wrklock); |
|
|
1201 | goto quit; |
|
|
1202 | } |
|
|
1203 | |
|
|
1204 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1205 | X_COND_WAIT (reqwait, reqlock); |
|
|
1206 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1207 | } |
|
|
1208 | |
|
|
1209 | --idle; |
|
|
1210 | } |
|
|
1211 | |
|
|
1212 | --nready; |
|
|
1213 | |
|
|
1214 | X_UNLOCK (reqlock); |
|
|
1215 | |
|
|
1216 | errno = 0; /* strictly unnecessary */ |
|
|
1217 | |
|
|
1218 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
1219 | switch (req->type) |
|
|
1220 | { |
|
|
1221 | case REQ_READ: req->result = req->offs >= 0 |
|
|
1222 | ? pread (req->int1, req->ptr1, req->size, req->offs) |
|
|
1223 | : read (req->int1, req->ptr1, req->size); break; |
|
|
1224 | case REQ_WRITE: req->result = req->offs >= 0 |
|
|
1225 | ? pwrite (req->int1, req->ptr1, req->size, req->offs) |
|
|
1226 | : write (req->int1, req->ptr1, req->size); break; |
|
|
1227 | |
|
|
1228 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
|
|
1229 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
|
|
1230 | |
|
|
1231 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1232 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
|
|
1233 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
|
|
1234 | |
|
|
1235 | case REQ_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
|
|
1236 | case REQ_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
|
|
1237 | case REQ_CHMOD: req->result = chmod (req->ptr1, req->mode); break; |
|
|
1238 | case REQ_FCHMOD: req->result = fchmod (req->int1, req->mode); break; |
|
|
1239 | case REQ_TRUNCATE: req->result = truncate (req->ptr1, req->offs); break; |
|
|
1240 | case REQ_FTRUNCATE: req->result = ftruncate (req->int1, req->offs); break; |
|
|
1241 | |
|
|
1242 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
|
|
1243 | case REQ_CLOSE: req->result = close (req->int1); break; |
|
|
1244 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
|
|
1245 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1246 | case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break; |
|
|
1247 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
|
|
1248 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
|
|
1249 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
|
|
1250 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1251 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
|
|
1252 | |
|
|
1253 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
|
|
1254 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
|
|
1255 | case REQ_READDIR: scandir_ (req, self); break; |
|
|
1256 | |
|
|
1257 | case REQ_BUSY: |
|
|
1258 | #ifdef _WIN32 |
|
|
1259 | Sleep (req->nv1 * 1000.); |
|
|
1260 | #else |
|
|
1261 | { |
|
|
1262 | struct timeval tv; |
|
|
1263 | |
|
|
1264 | tv.tv_sec = req->nv1; |
|
|
1265 | tv.tv_usec = (req->nv1 - tv.tv_sec) * 1000000.; |
|
|
1266 | |
|
|
1267 | req->result = select (0, 0, 0, 0, &tv); |
|
|
1268 | } |
|
|
1269 | #endif |
|
|
1270 | break; |
|
|
1271 | |
|
|
1272 | case REQ_UTIME: |
|
|
1273 | case REQ_FUTIME: |
|
|
1274 | { |
|
|
1275 | struct timeval tv[2]; |
|
|
1276 | struct timeval *times; |
|
|
1277 | |
|
|
1278 | if (req->nv1 != -1. || req->nv2 != -1.) |
|
|
1279 | { |
|
|
1280 | tv[0].tv_sec = req->nv1; |
|
|
1281 | tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.; |
|
|
1282 | tv[1].tv_sec = req->nv2; |
|
|
1283 | tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.; |
|
|
1284 | |
|
|
1285 | times = tv; |
|
|
1286 | } |
|
|
1287 | else |
|
|
1288 | times = 0; |
|
|
1289 | |
|
|
1290 | |
|
|
1291 | req->result = req->type == REQ_FUTIME |
|
|
1292 | ? futimes (req->int1, times) |
|
|
1293 | : utimes (req->ptr1, times); |
|
|
1294 | } |
|
|
1295 | |
|
|
1296 | case REQ_GROUP: |
|
|
1297 | case REQ_NOP: |
|
|
1298 | break; |
|
|
1299 | |
|
|
1300 | case REQ_QUIT: |
|
|
1301 | goto quit; |
|
|
1302 | |
|
|
1303 | default: |
|
|
1304 | req->result = -1; |
|
|
1305 | break; |
|
|
1306 | } |
|
|
1307 | |
|
|
1308 | req->errorno = errno; |
|
|
1309 | |
|
|
1310 | X_LOCK (reslock); |
|
|
1311 | |
|
|
1312 | ++npending; |
|
|
1313 | |
|
|
1314 | if (!reqq_push (&res_queue, req)) |
|
|
1315 | { |
|
|
1316 | /* write a dummy byte to the pipe so fh becomes ready */ |
|
|
1317 | respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
|
|
1318 | |
|
|
1319 | /* optionally signal the main thread asynchronously */ |
|
|
1320 | if (main_sig) |
|
|
1321 | pthread_kill (main_tid, main_sig); |
|
|
1322 | } |
|
|
1323 | |
|
|
1324 | self->req = 0; |
|
|
1325 | worker_clear (self); |
|
|
1326 | |
|
|
1327 | X_UNLOCK (reslock); |
|
|
1328 | } |
|
|
1329 | |
|
|
1330 | quit: |
|
|
1331 | X_LOCK (wrklock); |
|
|
1332 | worker_free (self); |
|
|
1333 | X_UNLOCK (wrklock); |
|
|
1334 | |
|
|
1335 | return 0; |
|
|
1336 | }//D |
|
|
1337 | } |
|
|
1338 | |
|
|
1339 | /*****************************************************************************/ |
|
|
1340 | |
|
|
1341 | static void atfork_prepare (void) |
|
|
1342 | { |
|
|
1343 | X_LOCK (wrklock); |
|
|
1344 | X_LOCK (reqlock); |
|
|
1345 | X_LOCK (reslock); |
|
|
1346 | #if !HAVE_PREADWRITE |
|
|
1347 | X_LOCK (preadwritelock); |
|
|
1348 | #endif |
|
|
1349 | #if !HAVE_READDIR_R |
|
|
1350 | X_LOCK (readdirlock); |
|
|
1351 | #endif |
|
|
1352 | } |
|
|
1353 | |
|
|
1354 | static void atfork_parent (void) |
|
|
1355 | { |
|
|
1356 | #if !HAVE_READDIR_R |
|
|
1357 | X_UNLOCK (readdirlock); |
|
|
1358 | #endif |
|
|
1359 | #if !HAVE_PREADWRITE |
|
|
1360 | X_UNLOCK (preadwritelock); |
|
|
1361 | #endif |
|
|
1362 | X_UNLOCK (reslock); |
|
|
1363 | X_UNLOCK (reqlock); |
|
|
1364 | X_UNLOCK (wrklock); |
|
|
1365 | } |
446 | } |
1366 | |
447 | |
1367 | static void atfork_child (void) |
448 | static void atfork_child (void) |
1368 | { |
449 | { |
1369 | aio_req prv; |
|
|
1370 | |
|
|
1371 | while (prv = reqq_shift (&req_queue)) |
|
|
1372 | req_destroy (prv); |
|
|
1373 | |
|
|
1374 | while (prv = reqq_shift (&res_queue)) |
|
|
1375 | req_destroy (prv); |
|
|
1376 | |
|
|
1377 | while (wrk_first.next != &wrk_first) |
|
|
1378 | { |
|
|
1379 | worker *wrk = wrk_first.next; |
|
|
1380 | |
|
|
1381 | if (wrk->req) |
|
|
1382 | req_destroy (wrk->req); |
|
|
1383 | |
|
|
1384 | worker_clear (wrk); |
|
|
1385 | worker_free (wrk); |
|
|
1386 | } |
|
|
1387 | |
|
|
1388 | started = 0; |
|
|
1389 | idle = 0; |
|
|
1390 | nreqs = 0; |
|
|
1391 | nready = 0; |
|
|
1392 | npending = 0; |
|
|
1393 | |
|
|
1394 | create_respipe (); |
450 | create_respipe (); |
1395 | |
|
|
1396 | atfork_parent (); |
|
|
1397 | } |
451 | } |
1398 | |
452 | |
1399 | #define dREQ \ |
453 | #define dREQ \ |
1400 | aio_req req; \ |
454 | aio_req req; \ |
1401 | int req_pri = next_pri; \ |
455 | int req_pri = next_pri; \ |
1402 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
456 | next_pri = EIO_PRI_DEFAULT; \ |
1403 | \ |
457 | \ |
1404 | if (SvOK (callback) && !SvROK (callback)) \ |
458 | if (SvOK (callback) && !SvROK (callback)) \ |
1405 | croak ("callback must be undef or of reference type"); \ |
459 | croak ("callback must be undef or of reference type"); \ |
1406 | \ |
460 | \ |
1407 | Newz (0, req, 1, aio_cb); \ |
461 | Newz (0, req, 1, eio_req); \ |
1408 | if (!req) \ |
462 | if (!req) \ |
1409 | croak ("out of memory during aio_req allocation"); \ |
463 | croak ("out of memory during eio_req allocation"); \ |
1410 | \ |
464 | \ |
1411 | req->callback = newSVsv (callback); \ |
465 | req->callback = newSVsv (callback); \ |
1412 | req->pri = req_pri |
466 | req->pri = req_pri |
1413 | |
467 | |
1414 | #define REQ_SEND \ |
468 | #define REQ_SEND \ |
|
|
469 | PUTBACK; \ |
1415 | req_send (req); \ |
470 | req_submit (req); \ |
|
|
471 | SPAGAIN; \ |
1416 | \ |
472 | \ |
1417 | if (GIMME_V != G_VOID) \ |
473 | if (GIMME_V != G_VOID) \ |
1418 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
474 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
1419 | |
475 | |
1420 | MODULE = IO::AIO PACKAGE = IO::AIO |
476 | MODULE = IO::AIO PACKAGE = IO::AIO |
1421 | |
477 | |
1422 | PROTOTYPES: ENABLE |
478 | PROTOTYPES: ENABLE |
1423 | |
479 | |
1424 | BOOT: |
480 | BOOT: |
1425 | { |
481 | { |
1426 | HV *stash = gv_stashpv ("IO::AIO", 1); |
482 | stash = gv_stashpv ("IO::AIO", 1); |
1427 | |
483 | |
1428 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
484 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1429 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
485 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1430 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
486 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1431 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
487 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
1432 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
488 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
1433 | #ifdef _WIN32 |
489 | #ifndef _WIN32 |
1434 | X_MUTEX_CHECK (wrklock); |
|
|
1435 | X_MUTEX_CHECK (reslock); |
|
|
1436 | X_MUTEX_CHECK (reqlock); |
|
|
1437 | X_MUTEX_CHECK (reqwait); |
|
|
1438 | X_MUTEX_CHECK (preadwritelock); |
|
|
1439 | X_MUTEX_CHECK (readdirlock); |
|
|
1440 | |
|
|
1441 | X_COND_CHECK (reqwait); |
|
|
1442 | #else |
|
|
1443 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
490 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
1444 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
|
|
1445 | #endif |
491 | #endif |
1446 | |
492 | |
1447 | create_respipe (); |
493 | create_respipe (); |
1448 | |
494 | |
1449 | X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child); |
495 | if (eio_init (want_poll, done_poll) < 0) |
|
|
496 | croak ("IO::AIO: unable to initialise eio library"); |
|
|
497 | |
|
|
498 | /* atfork child called in fifo order, so before eio's handler */ |
|
|
499 | X_THREAD_ATFORK (0, 0, atfork_child); |
1450 | } |
500 | } |
1451 | |
501 | |
1452 | void |
502 | void |
1453 | max_poll_reqs (int nreqs) |
503 | max_poll_reqs (int nreqs) |
1454 | PROTOTYPE: $ |
504 | PROTOTYPE: $ |
1455 | CODE: |
505 | CODE: |
1456 | max_poll_reqs = nreqs; |
506 | eio_set_max_poll_reqs (nreqs); |
1457 | |
507 | |
1458 | void |
508 | void |
1459 | max_poll_time (double nseconds) |
509 | max_poll_time (double nseconds) |
1460 | PROTOTYPE: $ |
510 | PROTOTYPE: $ |
1461 | CODE: |
511 | CODE: |
1462 | max_poll_time = nseconds * AIO_TICKS; |
512 | eio_set_max_poll_time (nseconds); |
1463 | |
513 | |
1464 | void |
514 | void |
1465 | min_parallel (int nthreads) |
515 | min_parallel (int nthreads) |
1466 | PROTOTYPE: $ |
516 | PROTOTYPE: $ |
|
|
517 | CODE: |
|
|
518 | eio_set_min_parallel (nthreads); |
1467 | |
519 | |
1468 | void |
520 | void |
1469 | max_parallel (int nthreads) |
521 | max_parallel (int nthreads) |
1470 | PROTOTYPE: $ |
522 | PROTOTYPE: $ |
|
|
523 | CODE: |
|
|
524 | eio_set_max_parallel (nthreads); |
1471 | |
525 | |
1472 | void |
526 | void |
1473 | max_idle (int nthreads) |
527 | max_idle (int nthreads) |
1474 | PROTOTYPE: $ |
528 | PROTOTYPE: $ |
1475 | CODE: |
529 | CODE: |
1476 | set_max_idle (nthreads); |
530 | eio_set_max_idle (nthreads); |
1477 | |
531 | |
1478 | int |
532 | void |
1479 | max_outstanding (int maxreqs) |
533 | max_outstanding (int maxreqs) |
1480 | PROTOTYPE: $ |
534 | PROTOTYPE: $ |
1481 | CODE: |
535 | CODE: |
1482 | RETVAL = max_outstanding; |
|
|
1483 | max_outstanding = maxreqs; |
536 | max_outstanding = maxreqs; |
1484 | OUTPUT: |
|
|
1485 | RETVAL |
|
|
1486 | |
537 | |
1487 | void |
538 | void |
1488 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
539 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1489 | PROTOTYPE: $$$;$ |
540 | PROTOTYPE: $$$;$ |
1490 | PPCODE: |
541 | PPCODE: |
1491 | { |
542 | { |
1492 | dREQ; |
543 | dREQ; |
1493 | |
544 | |
1494 | req->type = REQ_OPEN; |
545 | req->type = EIO_OPEN; |
1495 | req->sv1 = newSVsv (pathname); |
546 | req->sv1 = newSVsv (pathname); |
1496 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
547 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1497 | req->int1 = flags; |
548 | req->int1 = flags; |
1498 | req->mode = mode; |
549 | req->int2 = mode; |
1499 | |
550 | |
1500 | REQ_SEND; |
551 | REQ_SEND; |
1501 | } |
552 | } |
1502 | |
553 | |
1503 | void |
554 | void |
1504 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
555 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1505 | PROTOTYPE: $;$ |
556 | PROTOTYPE: $;$ |
1506 | ALIAS: |
557 | ALIAS: |
1507 | aio_close = REQ_CLOSE |
|
|
1508 | aio_fsync = REQ_FSYNC |
558 | aio_fsync = EIO_FSYNC |
1509 | aio_fdatasync = REQ_FDATASYNC |
559 | aio_fdatasync = EIO_FDATASYNC |
1510 | PPCODE: |
560 | PPCODE: |
1511 | { |
561 | { |
1512 | dREQ; |
562 | dREQ; |
1513 | |
563 | |
1514 | req->type = ix; |
564 | req->type = ix; |
… | |
… | |
1517 | |
567 | |
1518 | REQ_SEND (req); |
568 | REQ_SEND (req); |
1519 | } |
569 | } |
1520 | |
570 | |
1521 | void |
571 | void |
|
|
572 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
|
|
573 | PROTOTYPE: $;$ |
|
|
574 | PPCODE: |
|
|
575 | { |
|
|
576 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
577 | dREQ; |
|
|
578 | |
|
|
579 | if (close_pipe < 0) |
|
|
580 | { |
|
|
581 | int pipefd [2]; |
|
|
582 | |
|
|
583 | if (pipe (pipefd) < 0 |
|
|
584 | || close (pipefd [1]) < 0 |
|
|
585 | || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
|
|
586 | abort (); /*D*/ |
|
|
587 | |
|
|
588 | close_pipe = pipefd [0]; |
|
|
589 | } |
|
|
590 | |
|
|
591 | req->type = EIO_DUP2; |
|
|
592 | req->int1 = close_pipe; |
|
|
593 | req->sv2 = newSVsv (fh); |
|
|
594 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
|
|
595 | |
|
|
596 | REQ_SEND (req); |
|
|
597 | } |
|
|
598 | |
|
|
599 | void |
1522 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
600 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1523 | ALIAS: |
601 | ALIAS: |
1524 | aio_read = REQ_READ |
602 | aio_read = EIO_READ |
1525 | aio_write = REQ_WRITE |
603 | aio_write = EIO_WRITE |
1526 | PROTOTYPE: $$$$$;$ |
604 | PROTOTYPE: $$$$$;$ |
1527 | PPCODE: |
605 | PPCODE: |
1528 | { |
606 | { |
1529 | STRLEN svlen; |
607 | STRLEN svlen; |
1530 | char *svptr = SvPVbyte (data, svlen); |
608 | char *svptr = SvPVbyte (data, svlen); |
… | |
… | |
1537 | dataoffset += svlen; |
615 | dataoffset += svlen; |
1538 | |
616 | |
1539 | if (dataoffset < 0 || dataoffset > svlen) |
617 | if (dataoffset < 0 || dataoffset > svlen) |
1540 | croak ("dataoffset outside of data scalar"); |
618 | croak ("dataoffset outside of data scalar"); |
1541 | |
619 | |
1542 | if (ix == REQ_WRITE) |
620 | if (ix == EIO_WRITE) |
1543 | { |
621 | { |
1544 | /* write: check length and adjust. */ |
622 | /* write: check length and adjust. */ |
1545 | if (!SvOK (length) || len + dataoffset > svlen) |
623 | if (!SvOK (length) || len + dataoffset > svlen) |
1546 | len = svlen - dataoffset; |
624 | len = svlen - dataoffset; |
1547 | } |
625 | } |
… | |
… | |
1557 | { |
635 | { |
1558 | dREQ; |
636 | dREQ; |
1559 | |
637 | |
1560 | req->type = ix; |
638 | req->type = ix; |
1561 | req->sv1 = newSVsv (fh); |
639 | req->sv1 = newSVsv (fh); |
1562 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
640 | req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) |
1563 | : IoOFP (sv_2io (fh))); |
641 | : IoOFP (sv_2io (fh))); |
1564 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
642 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1565 | req->size = len; |
643 | req->size = len; |
1566 | req->sv2 = SvREFCNT_inc (data); |
644 | req->sv2 = SvREFCNT_inc (data); |
1567 | req->ptr1 = (char *)svptr + dataoffset; |
645 | req->ptr2 = (char *)svptr + dataoffset; |
1568 | req->stroffset = dataoffset; |
646 | req->stroffset = dataoffset; |
1569 | |
647 | |
1570 | if (!SvREADONLY (data)) |
648 | if (!SvREADONLY (data)) |
1571 | { |
649 | { |
1572 | SvREADONLY_on (data); |
650 | SvREADONLY_on (data); |
… | |
… | |
1583 | PPCODE: |
661 | PPCODE: |
1584 | { |
662 | { |
1585 | SV *data; |
663 | SV *data; |
1586 | dREQ; |
664 | dREQ; |
1587 | |
665 | |
1588 | data = newSV (NAME_MAX); |
|
|
1589 | SvPOK_on (data); |
|
|
1590 | |
|
|
1591 | req->type = REQ_READLINK; |
666 | req->type = EIO_READLINK; |
1592 | req->sv1 = newSVsv (path); |
667 | req->sv1 = newSVsv (path); |
1593 | req->ptr2 = SvPVbyte_nolen (req->sv1); |
668 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1594 | req->sv2 = data; |
|
|
1595 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1596 | |
669 | |
1597 | REQ_SEND; |
670 | REQ_SEND; |
1598 | } |
671 | } |
1599 | |
672 | |
1600 | void |
673 | void |
… | |
… | |
1602 | PROTOTYPE: $$$$;$ |
675 | PROTOTYPE: $$$$;$ |
1603 | PPCODE: |
676 | PPCODE: |
1604 | { |
677 | { |
1605 | dREQ; |
678 | dREQ; |
1606 | |
679 | |
1607 | req->type = REQ_SENDFILE; |
680 | req->type = EIO_SENDFILE; |
1608 | req->sv1 = newSVsv (out_fh); |
681 | req->sv1 = newSVsv (out_fh); |
1609 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
682 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1610 | req->sv2 = newSVsv (in_fh); |
683 | req->sv2 = newSVsv (in_fh); |
1611 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
684 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1612 | req->offs = SvVAL64 (in_offset); |
685 | req->offs = SvVAL64 (in_offset); |
… | |
… | |
1620 | PROTOTYPE: $$$;$ |
693 | PROTOTYPE: $$$;$ |
1621 | PPCODE: |
694 | PPCODE: |
1622 | { |
695 | { |
1623 | dREQ; |
696 | dREQ; |
1624 | |
697 | |
1625 | req->type = REQ_READAHEAD; |
698 | req->type = EIO_READAHEAD; |
1626 | req->sv1 = newSVsv (fh); |
699 | req->sv1 = newSVsv (fh); |
1627 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
700 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1628 | req->offs = SvVAL64 (offset); |
701 | req->offs = SvVAL64 (offset); |
1629 | req->size = length; |
702 | req->size = length; |
1630 | |
703 | |
… | |
… | |
1632 | } |
705 | } |
1633 | |
706 | |
1634 | void |
707 | void |
1635 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
708 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1636 | ALIAS: |
709 | ALIAS: |
1637 | aio_stat = REQ_STAT |
710 | aio_stat = EIO_STAT |
1638 | aio_lstat = REQ_LSTAT |
711 | aio_lstat = EIO_LSTAT |
1639 | PPCODE: |
712 | PPCODE: |
1640 | { |
713 | { |
1641 | dREQ; |
714 | dREQ; |
1642 | |
715 | |
1643 | req->ptr2 = malloc (sizeof (Stat_t)); |
|
|
1644 | if (!req->ptr2) |
|
|
1645 | { |
|
|
1646 | req_destroy (req); |
|
|
1647 | croak ("out of memory during aio_stat statdata allocation"); |
|
|
1648 | } |
|
|
1649 | |
|
|
1650 | req->flags |= FLAG_PTR2_FREE; |
|
|
1651 | req->sv1 = newSVsv (fh_or_path); |
716 | req->sv1 = newSVsv (fh_or_path); |
1652 | |
717 | |
1653 | if (SvPOK (fh_or_path)) |
718 | if (SvPOK (req->sv1)) |
1654 | { |
719 | { |
1655 | req->type = ix; |
720 | req->type = ix; |
1656 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
721 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1657 | } |
722 | } |
1658 | else |
723 | else |
1659 | { |
724 | { |
1660 | req->type = REQ_FSTAT; |
725 | req->type = EIO_FSTAT; |
1661 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
726 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1662 | } |
727 | } |
1663 | |
728 | |
1664 | REQ_SEND; |
729 | REQ_SEND; |
1665 | } |
730 | } |
… | |
… | |
1672 | |
737 | |
1673 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
738 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
1674 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
739 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
1675 | req->sv1 = newSVsv (fh_or_path); |
740 | req->sv1 = newSVsv (fh_or_path); |
1676 | |
741 | |
1677 | if (SvPOK (fh_or_path)) |
742 | if (SvPOK (req->sv1)) |
1678 | { |
743 | { |
1679 | req->type = REQ_UTIME; |
744 | req->type = EIO_UTIME; |
1680 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
745 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1681 | } |
746 | } |
1682 | else |
747 | else |
1683 | { |
748 | { |
1684 | req->type = REQ_FUTIME; |
749 | req->type = EIO_FUTIME; |
1685 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
750 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1686 | } |
751 | } |
1687 | |
752 | |
1688 | REQ_SEND; |
753 | REQ_SEND; |
1689 | } |
754 | } |
… | |
… | |
1695 | dREQ; |
760 | dREQ; |
1696 | |
761 | |
1697 | req->sv1 = newSVsv (fh_or_path); |
762 | req->sv1 = newSVsv (fh_or_path); |
1698 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
763 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1699 | |
764 | |
1700 | if (SvPOK (fh_or_path)) |
765 | if (SvPOK (req->sv1)) |
1701 | { |
766 | { |
1702 | req->type = REQ_TRUNCATE; |
767 | req->type = EIO_TRUNCATE; |
1703 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
768 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1704 | } |
769 | } |
1705 | else |
770 | else |
1706 | { |
771 | { |
1707 | req->type = REQ_FTRUNCATE; |
772 | req->type = EIO_FTRUNCATE; |
1708 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
773 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1709 | } |
774 | } |
1710 | |
775 | |
1711 | REQ_SEND; |
776 | REQ_SEND; |
1712 | } |
777 | } |
1713 | |
778 | |
1714 | void |
779 | void |
1715 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
780 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
781 | ALIAS: |
|
|
782 | aio_chmod = EIO_CHMOD |
|
|
783 | aio_mkdir = EIO_MKDIR |
1716 | PPCODE: |
784 | PPCODE: |
1717 | { |
785 | { |
1718 | dREQ; |
786 | dREQ; |
1719 | |
787 | |
1720 | req->mode = mode; |
788 | req->int2 = mode; |
1721 | req->sv1 = newSVsv (fh_or_path); |
789 | req->sv1 = newSVsv (fh_or_path); |
1722 | |
790 | |
1723 | if (SvPOK (fh_or_path)) |
791 | if (SvPOK (req->sv1)) |
1724 | { |
792 | { |
1725 | req->type = REQ_CHMOD; |
793 | req->type = ix; |
1726 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
794 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1727 | } |
795 | } |
1728 | else |
796 | else |
1729 | { |
797 | { |
1730 | req->type = REQ_FCHMOD; |
798 | req->type = EIO_FCHMOD; |
1731 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
799 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1732 | } |
800 | } |
1733 | |
801 | |
1734 | REQ_SEND; |
802 | REQ_SEND; |
1735 | } |
803 | } |
… | |
… | |
1742 | |
810 | |
1743 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
811 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
1744 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
812 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
1745 | req->sv1 = newSVsv (fh_or_path); |
813 | req->sv1 = newSVsv (fh_or_path); |
1746 | |
814 | |
1747 | if (SvPOK (fh_or_path)) |
815 | if (SvPOK (req->sv1)) |
1748 | { |
816 | { |
1749 | req->type = REQ_CHOWN; |
817 | req->type = EIO_CHOWN; |
1750 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
818 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1751 | } |
819 | } |
1752 | else |
820 | else |
1753 | { |
821 | { |
1754 | req->type = REQ_FCHOWN; |
822 | req->type = EIO_FCHOWN; |
1755 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
823 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1756 | } |
824 | } |
1757 | |
825 | |
1758 | REQ_SEND; |
826 | REQ_SEND; |
1759 | } |
827 | } |
1760 | |
828 | |
1761 | void |
829 | void |
1762 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
830 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1763 | ALIAS: |
831 | ALIAS: |
1764 | aio_unlink = REQ_UNLINK |
832 | aio_unlink = EIO_UNLINK |
1765 | aio_rmdir = REQ_RMDIR |
833 | aio_rmdir = EIO_RMDIR |
1766 | aio_readdir = REQ_READDIR |
834 | aio_readdir = EIO_READDIR |
1767 | PPCODE: |
835 | PPCODE: |
1768 | { |
836 | { |
1769 | dREQ; |
837 | dREQ; |
1770 | |
838 | |
1771 | req->type = ix; |
839 | req->type = ix; |
… | |
… | |
1774 | |
842 | |
1775 | REQ_SEND; |
843 | REQ_SEND; |
1776 | } |
844 | } |
1777 | |
845 | |
1778 | void |
846 | void |
1779 | aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
847 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
|
|
848 | ALIAS: |
|
|
849 | aio_link = EIO_LINK |
|
|
850 | aio_symlink = EIO_SYMLINK |
|
|
851 | aio_rename = EIO_RENAME |
1780 | PPCODE: |
852 | PPCODE: |
1781 | { |
853 | { |
1782 | dREQ; |
854 | dREQ; |
1783 | |
855 | |
|
|
856 | req->type = ix; |
|
|
857 | req->sv1 = newSVsv (oldpath); |
|
|
858 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
859 | req->sv2 = newSVsv (newpath); |
|
|
860 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
|
|
861 | |
|
|
862 | REQ_SEND; |
|
|
863 | } |
|
|
864 | |
|
|
865 | void |
|
|
866 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
|
|
867 | PPCODE: |
|
|
868 | { |
|
|
869 | dREQ; |
|
|
870 | |
1784 | req->type = REQ_MKDIR; |
871 | req->type = EIO_MKNOD; |
1785 | req->sv1 = newSVsv (pathname); |
872 | req->sv1 = newSVsv (pathname); |
1786 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
873 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1787 | req->mode = mode; |
|
|
1788 | |
|
|
1789 | REQ_SEND; |
|
|
1790 | } |
|
|
1791 | |
|
|
1792 | void |
|
|
1793 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
|
|
1794 | ALIAS: |
|
|
1795 | aio_link = REQ_LINK |
|
|
1796 | aio_symlink = REQ_SYMLINK |
|
|
1797 | aio_rename = REQ_RENAME |
|
|
1798 | PPCODE: |
|
|
1799 | { |
|
|
1800 | dREQ; |
|
|
1801 | |
|
|
1802 | req->type = ix; |
|
|
1803 | req->sv2 = newSVsv (oldpath); |
|
|
1804 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
|
|
1805 | req->sv1 = newSVsv (newpath); |
|
|
1806 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1807 | |
|
|
1808 | REQ_SEND; |
|
|
1809 | } |
|
|
1810 | |
|
|
1811 | void |
|
|
1812 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
|
|
1813 | PPCODE: |
|
|
1814 | { |
|
|
1815 | dREQ; |
|
|
1816 | |
|
|
1817 | req->type = REQ_MKNOD; |
|
|
1818 | req->sv1 = newSVsv (pathname); |
|
|
1819 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1820 | req->mode = (mode_t)mode; |
874 | req->int2 = (mode_t)mode; |
1821 | req->offs = dev; |
875 | req->offs = dev; |
1822 | |
876 | |
1823 | REQ_SEND; |
877 | REQ_SEND; |
1824 | } |
878 | } |
1825 | |
879 | |
… | |
… | |
1827 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
881 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1828 | PPCODE: |
882 | PPCODE: |
1829 | { |
883 | { |
1830 | dREQ; |
884 | dREQ; |
1831 | |
885 | |
1832 | req->type = REQ_BUSY; |
886 | req->type = EIO_BUSY; |
1833 | req->nv1 = delay < 0. ? 0. : delay; |
887 | req->nv1 = delay < 0. ? 0. : delay; |
1834 | |
888 | |
1835 | REQ_SEND; |
889 | REQ_SEND; |
1836 | } |
890 | } |
1837 | |
891 | |
… | |
… | |
1840 | PROTOTYPE: ;$ |
894 | PROTOTYPE: ;$ |
1841 | PPCODE: |
895 | PPCODE: |
1842 | { |
896 | { |
1843 | dREQ; |
897 | dREQ; |
1844 | |
898 | |
1845 | req->type = REQ_GROUP; |
899 | req->type = EIO_GROUP; |
1846 | |
900 | |
1847 | req_send (req); |
901 | eio_submit (req); |
1848 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
902 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1849 | } |
903 | } |
1850 | |
904 | |
1851 | void |
905 | void |
1852 | aio_nop (SV *callback=&PL_sv_undef) |
906 | aio_nop (SV *callback=&PL_sv_undef) |
|
|
907 | ALIAS: |
|
|
908 | aio_nop = EIO_NOP |
|
|
909 | aio_sync = EIO_SYNC |
1853 | PPCODE: |
910 | PPCODE: |
1854 | { |
911 | { |
1855 | dREQ; |
912 | dREQ; |
1856 | |
913 | |
1857 | req->type = REQ_NOP; |
914 | req->type = ix; |
1858 | |
915 | |
1859 | REQ_SEND; |
916 | REQ_SEND; |
1860 | } |
917 | } |
1861 | |
918 | |
1862 | int |
919 | int |
1863 | aioreq_pri (int pri = 0) |
920 | aioreq_pri (int pri = 0) |
1864 | PROTOTYPE: ;$ |
921 | PROTOTYPE: ;$ |
1865 | CODE: |
922 | CODE: |
1866 | RETVAL = next_pri - PRI_BIAS; |
923 | RETVAL = next_pri; |
1867 | if (items > 0) |
924 | if (items > 0) |
1868 | { |
925 | { |
1869 | if (pri < PRI_MIN) pri = PRI_MIN; |
926 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1870 | if (pri > PRI_MAX) pri = PRI_MAX; |
927 | if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1871 | next_pri = pri + PRI_BIAS; |
928 | next_pri = pri; |
1872 | } |
929 | } |
1873 | OUTPUT: |
930 | OUTPUT: |
1874 | RETVAL |
931 | RETVAL |
1875 | |
932 | |
1876 | void |
933 | void |
1877 | aioreq_nice (int nice = 0) |
934 | aioreq_nice (int nice = 0) |
1878 | CODE: |
935 | CODE: |
1879 | nice = next_pri - nice; |
936 | nice = next_pri - nice; |
1880 | if (nice < PRI_MIN) nice = PRI_MIN; |
937 | if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1881 | if (nice > PRI_MAX) nice = PRI_MAX; |
938 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1882 | next_pri = nice + PRI_BIAS; |
939 | next_pri = nice; |
1883 | |
940 | |
1884 | void |
941 | void |
1885 | flush () |
942 | flush () |
1886 | PROTOTYPE: |
943 | PROTOTYPE: |
1887 | CODE: |
944 | CODE: |
1888 | while (nreqs) |
945 | while (eio_nreqs ()) |
1889 | { |
946 | { |
1890 | poll_wait (); |
947 | poll_wait (); |
1891 | poll_cb (); |
948 | poll_cb (); |
1892 | } |
949 | } |
1893 | |
950 | |
… | |
… | |
1920 | poll_wait() |
977 | poll_wait() |
1921 | PROTOTYPE: |
978 | PROTOTYPE: |
1922 | CODE: |
979 | CODE: |
1923 | poll_wait (); |
980 | poll_wait (); |
1924 | |
981 | |
1925 | void |
|
|
1926 | setsig (int signum = SIGIO) |
|
|
1927 | PROTOTYPE: ;$ |
|
|
1928 | CODE: |
|
|
1929 | { |
|
|
1930 | if (block_sig_level) |
|
|
1931 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
|
|
1932 | |
|
|
1933 | X_LOCK (reslock); |
|
|
1934 | main_tid = pthread_self (); |
|
|
1935 | main_sig = signum; |
|
|
1936 | X_UNLOCK (reslock); |
|
|
1937 | |
|
|
1938 | if (main_sig && npending) |
|
|
1939 | pthread_kill (main_tid, main_sig); |
|
|
1940 | } |
|
|
1941 | |
|
|
1942 | void |
|
|
1943 | aio_block (SV *cb) |
|
|
1944 | PROTOTYPE: & |
|
|
1945 | PPCODE: |
|
|
1946 | { |
|
|
1947 | int count; |
|
|
1948 | |
|
|
1949 | block_sig (); |
|
|
1950 | PUSHMARK (SP); |
|
|
1951 | PUTBACK; |
|
|
1952 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
|
|
1953 | SPAGAIN; |
|
|
1954 | unblock_sig (); |
|
|
1955 | |
|
|
1956 | if (SvTRUE (ERRSV)) |
|
|
1957 | croak (0); |
|
|
1958 | |
|
|
1959 | XSRETURN (count); |
|
|
1960 | } |
|
|
1961 | |
|
|
1962 | int |
982 | int |
1963 | nreqs() |
983 | nreqs() |
1964 | PROTOTYPE: |
984 | PROTOTYPE: |
1965 | CODE: |
985 | CODE: |
1966 | RETVAL = nreqs; |
986 | RETVAL = eio_nreqs (); |
1967 | OUTPUT: |
987 | OUTPUT: |
1968 | RETVAL |
988 | RETVAL |
1969 | |
989 | |
1970 | int |
990 | int |
1971 | nready() |
991 | nready() |
1972 | PROTOTYPE: |
992 | PROTOTYPE: |
1973 | CODE: |
993 | CODE: |
1974 | RETVAL = get_nready (); |
994 | RETVAL = eio_nready (); |
1975 | OUTPUT: |
995 | OUTPUT: |
1976 | RETVAL |
996 | RETVAL |
1977 | |
997 | |
1978 | int |
998 | int |
1979 | npending() |
999 | npending() |
1980 | PROTOTYPE: |
1000 | PROTOTYPE: |
1981 | CODE: |
1001 | CODE: |
1982 | RETVAL = get_npending (); |
1002 | RETVAL = eio_npending (); |
1983 | OUTPUT: |
1003 | OUTPUT: |
1984 | RETVAL |
1004 | RETVAL |
1985 | |
1005 | |
1986 | int |
1006 | int |
1987 | nthreads() |
1007 | nthreads() |
1988 | PROTOTYPE: |
1008 | PROTOTYPE: |
1989 | CODE: |
1009 | CODE: |
1990 | if (WORDACCESS_UNSAFE) X_LOCK (wrklock); |
1010 | RETVAL = eio_nthreads (); |
1991 | RETVAL = started; |
|
|
1992 | if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
|
|
1993 | OUTPUT: |
1011 | OUTPUT: |
1994 | RETVAL |
1012 | RETVAL |
1995 | |
1013 | |
|
|
1014 | void _on_next_submit (SV *cb) |
|
|
1015 | CODE: |
|
|
1016 | SvREFCNT_dec (on_next_submit); |
|
|
1017 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1018 | |
1996 | PROTOTYPES: DISABLE |
1019 | PROTOTYPES: DISABLE |
1997 | |
1020 | |
1998 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1021 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1999 | |
1022 | |
2000 | void |
1023 | void |
2001 | cancel (aio_req_ornot req) |
1024 | cancel (aio_req_ornot req) |
2002 | CODE: |
1025 | CODE: |
2003 | req_cancel (req); |
1026 | eio_cancel (req); |
2004 | |
1027 | |
2005 | void |
1028 | void |
2006 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1029 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
2007 | CODE: |
1030 | CODE: |
2008 | SvREFCNT_dec (req->callback); |
1031 | SvREFCNT_dec (req->callback); |
… | |
… | |
2013 | void |
1036 | void |
2014 | add (aio_req grp, ...) |
1037 | add (aio_req grp, ...) |
2015 | PPCODE: |
1038 | PPCODE: |
2016 | { |
1039 | { |
2017 | int i; |
1040 | int i; |
2018 | aio_req req; |
|
|
2019 | |
|
|
2020 | if (main_sig && !block_sig_level) |
|
|
2021 | croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use"); |
|
|
2022 | |
1041 | |
2023 | if (grp->int1 == 2) |
1042 | if (grp->int1 == 2) |
2024 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1043 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
2025 | |
1044 | |
2026 | for (i = 1; i < items; ++i ) |
1045 | for (i = 1; i < items; ++i ) |
2027 | { |
1046 | { |
|
|
1047 | aio_req req; |
|
|
1048 | |
2028 | if (GIMME_V != G_VOID) |
1049 | if (GIMME_V != G_VOID) |
2029 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1050 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
2030 | |
1051 | |
2031 | req = SvAIO_REQ (ST (i)); |
1052 | req = SvAIO_REQ (ST (i)); |
2032 | |
1053 | |
2033 | if (req) |
1054 | if (req) |
2034 | { |
1055 | eio_grp_add (grp, req); |
2035 | ++grp->size; |
|
|
2036 | req->grp = grp; |
|
|
2037 | |
|
|
2038 | req->grp_prev = 0; |
|
|
2039 | req->grp_next = grp->grp_first; |
|
|
2040 | |
|
|
2041 | if (grp->grp_first) |
|
|
2042 | grp->grp_first->grp_prev = req; |
|
|
2043 | |
|
|
2044 | grp->grp_first = req; |
|
|
2045 | } |
|
|
2046 | } |
1056 | } |
2047 | } |
1057 | } |
2048 | |
1058 | |
2049 | void |
1059 | void |
2050 | cancel_subs (aio_req_ornot req) |
1060 | cancel_subs (aio_req_ornot req) |
… | |
… | |
2075 | grp->errorno = errorno; |
1085 | grp->errorno = errorno; |
2076 | |
1086 | |
2077 | void |
1087 | void |
2078 | limit (aio_req grp, int limit) |
1088 | limit (aio_req grp, int limit) |
2079 | CODE: |
1089 | CODE: |
2080 | grp->int2 = limit; |
1090 | eio_grp_limit (grp, limit); |
2081 | aio_grp_feed (grp); |
|
|
2082 | |
1091 | |
2083 | void |
1092 | void |
2084 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1093 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
2085 | CODE: |
1094 | CODE: |
2086 | { |
1095 | { |
… | |
… | |
2088 | grp->sv2 = newSVsv (callback); |
1097 | grp->sv2 = newSVsv (callback); |
2089 | |
1098 | |
2090 | if (grp->int2 <= 0) |
1099 | if (grp->int2 <= 0) |
2091 | grp->int2 = 2; |
1100 | grp->int2 = 2; |
2092 | |
1101 | |
2093 | aio_grp_feed (grp); |
1102 | eio_grp_limit (grp, grp->int2); |
2094 | } |
1103 | } |
2095 | |
1104 | |