1 | #define _REENTRANT 1 |
1 | #include "xthread.h" |
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2 | |
2 | #include <errno.h> |
3 | #include <errno.h> |
3 | |
4 | |
4 | #include "EXTERN.h" |
5 | #include "EXTERN.h" |
5 | #include "perl.h" |
6 | #include "perl.h" |
6 | #include "XSUB.h" |
7 | #include "XSUB.h" |
7 | |
8 | |
8 | #include "autoconf/config.h" |
9 | #include "autoconf/config.h" |
9 | |
10 | |
10 | #include <pthread.h> |
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11 | |
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12 | #include <stddef.h> |
11 | #include <stddef.h> |
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12 | #include <stdlib.h> |
13 | #include <errno.h> |
13 | #include <errno.h> |
14 | #include <sys/time.h> |
14 | #include <sys/time.h> |
15 | #include <sys/select.h> |
15 | #include <sys/select.h> |
16 | #include <sys/types.h> |
16 | #include <sys/types.h> |
17 | #include <sys/stat.h> |
17 | #include <sys/stat.h> |
18 | #include <limits.h> |
18 | #include <limits.h> |
19 | #include <unistd.h> |
19 | #include <unistd.h> |
20 | #include <fcntl.h> |
20 | #include <fcntl.h> |
21 | #include <signal.h> |
21 | #include <signal.h> |
22 | #include <sched.h> |
22 | #include <sched.h> |
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23 | #include <utime.h> |
23 | |
24 | |
24 | #if HAVE_SENDFILE |
25 | #if HAVE_SENDFILE |
25 | # if __linux |
26 | # if __linux |
26 | # include <sys/sendfile.h> |
27 | # include <sys/sendfile.h> |
27 | # elif __freebsd |
28 | # elif __freebsd |
… | |
… | |
34 | # else |
35 | # else |
35 | # error sendfile support requested but not available |
36 | # error sendfile support requested but not available |
36 | # endif |
37 | # endif |
37 | #endif |
38 | #endif |
38 | |
39 | |
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40 | /* number of seconds after which idle threads exit */ |
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41 | #define IDLE_TIMEOUT 10 |
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42 | |
39 | /* used for struct dirent, AIX doesn't provide it */ |
43 | /* used for struct dirent, AIX doesn't provide it */ |
40 | #ifndef NAME_MAX |
44 | #ifndef NAME_MAX |
41 | # define NAME_MAX 4096 |
45 | # define NAME_MAX 4096 |
42 | #endif |
46 | #endif |
43 | |
47 | |
44 | #if __ia64 |
48 | /* buffer size for various temporary buffers */ |
45 | # define STACKSIZE 65536 |
49 | #define AIO_BUFSIZE 65536 |
46 | #else |
50 | |
47 | # define STACKSIZE 8192 |
51 | #define dBUF \ |
48 | #endif |
52 | char *aio_buf; \ |
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53 | LOCK (wrklock); \ |
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54 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
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55 | UNLOCK (wrklock); \ |
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56 | if (!aio_buf) \ |
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57 | return -1; |
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58 | |
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59 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
49 | |
60 | |
50 | enum { |
61 | enum { |
51 | REQ_QUIT, |
62 | REQ_QUIT, |
52 | REQ_OPEN, REQ_CLOSE, |
63 | REQ_OPEN, REQ_CLOSE, |
53 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
64 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
54 | REQ_SENDFILE, |
65 | REQ_SENDFILE, |
55 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
66 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
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67 | REQ_UTIME, REQ_FUTIME, /* must be consecutive */ |
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68 | REQ_CHMOD, REQ_FCHMOD, /* must be consecutive */ |
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69 | REQ_CHOWN, REQ_FCHOWN, /* must be consecutive */ |
56 | REQ_FSYNC, REQ_FDATASYNC, |
70 | REQ_FSYNC, REQ_FDATASYNC, |
57 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
71 | REQ_UNLINK, REQ_RMDIR, REQ_MKDIR, REQ_RENAME, |
58 | REQ_READDIR, |
72 | REQ_MKNOD, REQ_READDIR, |
59 | REQ_LINK, REQ_SYMLINK, |
73 | REQ_LINK, REQ_SYMLINK, REQ_READLINK, |
60 | REQ_GROUP, REQ_NOP, |
74 | REQ_GROUP, REQ_NOP, |
61 | REQ_SLEEP, |
75 | REQ_BUSY, |
62 | }; |
76 | }; |
63 | |
77 | |
64 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
78 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
65 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
79 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
66 | |
80 | |
67 | typedef struct aio_cb |
81 | typedef struct aio_cb |
68 | { |
82 | { |
69 | struct aio_cb *volatile next; |
83 | struct aio_cb *volatile next; |
70 | |
84 | |
71 | SV *data, *callback; |
85 | SV *callback; |
72 | SV *fh, *fh2; |
86 | SV *sv1, *sv2; |
73 | void *dataptr, *data2ptr; |
87 | void *ptr1, *ptr2; |
74 | Stat_t *statdata; |
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75 | off_t offset; |
88 | off_t offs; |
76 | size_t length; |
89 | size_t size; |
77 | ssize_t result; |
90 | ssize_t result; |
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91 | double nv1, nv2; |
78 | |
92 | |
79 | STRLEN dataoffset; |
93 | STRLEN stroffset; |
80 | int type; |
94 | int type; |
81 | int fd, fd2; |
95 | int int1, int2, int3; |
82 | int errorno; |
96 | int errorno; |
83 | mode_t mode; /* open */ |
97 | mode_t mode; /* open */ |
84 | |
98 | |
85 | unsigned char flags; |
99 | unsigned char flags; |
86 | unsigned char pri; |
100 | unsigned char pri; |
… | |
… | |
88 | SV *self; /* the perl counterpart of this request, if any */ |
102 | SV *self; /* the perl counterpart of this request, if any */ |
89 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
103 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
90 | } aio_cb; |
104 | } aio_cb; |
91 | |
105 | |
92 | enum { |
106 | enum { |
93 | FLAG_CANCELLED = 0x01, |
107 | FLAG_CANCELLED = 0x01, /* request was cancelled */ |
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108 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
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109 | FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */ |
94 | }; |
110 | }; |
95 | |
111 | |
96 | typedef aio_cb *aio_req; |
112 | typedef aio_cb *aio_req; |
97 | typedef aio_cb *aio_req_ornot; |
113 | typedef aio_cb *aio_req_ornot; |
98 | |
114 | |
… | |
… | |
100 | PRI_MIN = -4, |
116 | PRI_MIN = -4, |
101 | PRI_MAX = 4, |
117 | PRI_MAX = 4, |
102 | |
118 | |
103 | DEFAULT_PRI = 0, |
119 | DEFAULT_PRI = 0, |
104 | PRI_BIAS = -PRI_MIN, |
120 | PRI_BIAS = -PRI_MIN, |
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121 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
105 | }; |
122 | }; |
106 | |
123 | |
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124 | #define AIO_TICKS ((1000000 + 1023) >> 10) |
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125 | |
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126 | static unsigned int max_poll_time = 0; |
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127 | static unsigned int max_poll_reqs = 0; |
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128 | |
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129 | /* calculcate time difference in ~1/AIO_TICKS of a second */ |
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130 | static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
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131 | { |
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132 | return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
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133 | + ((tv2->tv_usec - tv1->tv_usec) >> 10); |
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134 | } |
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135 | |
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136 | static thread_t main_tid; |
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137 | static int main_sig; |
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138 | static int block_sig_level; |
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139 | |
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140 | void block_sig () |
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141 | { |
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142 | sigset_t ss; |
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143 | |
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144 | if (block_sig_level++) |
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145 | return; |
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146 | |
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147 | if (!main_sig) |
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148 | return; |
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149 | |
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150 | sigemptyset (&ss); |
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151 | sigaddset (&ss, main_sig); |
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152 | pthread_sigmask (SIG_BLOCK, &ss, 0); |
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153 | } |
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154 | |
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155 | void unblock_sig () |
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156 | { |
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157 | sigset_t ss; |
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158 | |
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159 | if (--block_sig_level) |
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160 | return; |
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161 | |
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162 | if (!main_sig) |
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163 | return; |
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164 | |
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165 | sigemptyset (&ss); |
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166 | sigaddset (&ss, main_sig); |
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167 | pthread_sigmask (SIG_UNBLOCK, &ss, 0); |
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168 | } |
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169 | |
107 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
170 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
108 | |
171 | |
109 | static int started, wanted; |
172 | static unsigned int started, idle, wanted; |
110 | static volatile int nreqs; |
173 | |
111 | static int max_outstanding = 1<<30; |
174 | /* worker threads management */ |
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175 | static mutex_t wrklock = MUTEX_INIT; |
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176 | |
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177 | typedef struct worker { |
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178 | /* locked by wrklock */ |
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179 | struct worker *prev, *next; |
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180 | |
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181 | thread_t tid; |
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182 | |
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183 | /* locked by reslock, reqlock or wrklock */ |
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184 | aio_req req; /* currently processed request */ |
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185 | void *dbuf; |
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186 | DIR *dirp; |
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187 | } worker; |
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188 | |
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189 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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190 | |
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191 | static void worker_clear (worker *wrk) |
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192 | { |
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193 | if (wrk->dirp) |
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194 | { |
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195 | closedir (wrk->dirp); |
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196 | wrk->dirp = 0; |
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197 | } |
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198 | |
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199 | if (wrk->dbuf) |
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200 | { |
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201 | free (wrk->dbuf); |
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202 | wrk->dbuf = 0; |
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203 | } |
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204 | } |
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205 | |
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206 | static void worker_free (worker *wrk) |
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207 | { |
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208 | wrk->next->prev = wrk->prev; |
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209 | wrk->prev->next = wrk->next; |
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210 | |
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211 | free (wrk); |
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212 | } |
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213 | |
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214 | static volatile unsigned int nreqs, nready, npending; |
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215 | static volatile unsigned int max_idle = 4; |
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216 | static volatile unsigned int max_outstanding = 0xffffffff; |
112 | static int respipe [2]; |
217 | static int respipe [2]; |
113 | |
218 | |
114 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
219 | static mutex_t reslock = MUTEX_INIT; |
115 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
220 | static mutex_t reqlock = MUTEX_INIT; |
116 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
221 | static cond_t reqwait = COND_INIT; |
117 | |
222 | |
118 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
223 | #if WORDACCESS_UNSAFE |
119 | static volatile aio_req ress, rese; /* queue start, queue end */ |
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120 | |
224 | |
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225 | static unsigned int get_nready () |
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226 | { |
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227 | unsigned int retval; |
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228 | |
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229 | LOCK (reqlock); |
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230 | retval = nready; |
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231 | UNLOCK (reqlock); |
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232 | |
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233 | return retval; |
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234 | } |
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235 | |
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236 | static unsigned int get_npending () |
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237 | { |
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238 | unsigned int retval; |
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239 | |
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240 | LOCK (reslock); |
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241 | retval = npending; |
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242 | UNLOCK (reslock); |
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243 | |
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244 | return retval; |
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245 | } |
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246 | |
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247 | static unsigned int get_nthreads () |
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248 | { |
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249 | unsigned int retval; |
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250 | |
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251 | LOCK (wrklock); |
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252 | retval = started; |
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253 | UNLOCK (wrklock); |
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254 | |
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255 | return retval; |
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256 | } |
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257 | |
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258 | #else |
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259 | |
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260 | # define get_nready() nready |
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261 | # define get_npending() npending |
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262 | # define get_nthreads() started |
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263 | |
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264 | #endif |
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265 | |
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266 | /* |
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267 | * a somewhat faster data structure might be nice, but |
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268 | * with 8 priorities this actually needs <20 insns |
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269 | * per shift, the most expensive operation. |
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270 | */ |
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271 | typedef struct { |
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272 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
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273 | int size; |
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274 | } reqq; |
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275 | |
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276 | static reqq req_queue; |
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277 | static reqq res_queue; |
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278 | |
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279 | int reqq_push (reqq *q, aio_req req) |
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280 | { |
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281 | int pri = req->pri; |
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282 | req->next = 0; |
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283 | |
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284 | if (q->qe[pri]) |
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285 | { |
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286 | q->qe[pri]->next = req; |
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287 | q->qe[pri] = req; |
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288 | } |
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289 | else |
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290 | q->qe[pri] = q->qs[pri] = req; |
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291 | |
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292 | return q->size++; |
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293 | } |
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294 | |
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295 | aio_req reqq_shift (reqq *q) |
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296 | { |
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297 | int pri; |
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298 | |
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299 | if (!q->size) |
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300 | return 0; |
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301 | |
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302 | --q->size; |
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303 | |
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304 | for (pri = NUM_PRI; pri--; ) |
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305 | { |
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306 | aio_req req = q->qs[pri]; |
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307 | |
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308 | if (req) |
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309 | { |
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310 | if (!(q->qs[pri] = req->next)) |
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311 | q->qe[pri] = 0; |
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312 | |
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313 | return req; |
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314 | } |
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315 | } |
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316 | |
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317 | abort (); |
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318 | } |
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319 | |
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320 | static int poll_cb (); |
121 | static void req_invoke (aio_req req); |
321 | static int req_invoke (aio_req req); |
122 | static void req_free (aio_req req); |
322 | static void req_free (aio_req req); |
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323 | static void req_cancel (aio_req req); |
123 | |
324 | |
124 | /* must be called at most once */ |
325 | /* must be called at most once */ |
125 | static SV *req_sv (aio_req req, const char *klass) |
326 | static SV *req_sv (aio_req req, const char *klass) |
126 | { |
327 | { |
127 | if (!req->self) |
328 | if (!req->self) |
… | |
… | |
145 | return mg ? (aio_req)mg->mg_ptr : 0; |
346 | return mg ? (aio_req)mg->mg_ptr : 0; |
146 | } |
347 | } |
147 | |
348 | |
148 | static void aio_grp_feed (aio_req grp) |
349 | static void aio_grp_feed (aio_req grp) |
149 | { |
350 | { |
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351 | block_sig (); |
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352 | |
150 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
353 | while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) |
151 | { |
354 | { |
152 | int old_len = grp->length; |
355 | int old_len = grp->size; |
153 | |
356 | |
154 | if (grp->fh2 && SvOK (grp->fh2)) |
357 | if (grp->sv2 && SvOK (grp->sv2)) |
155 | { |
358 | { |
156 | dSP; |
359 | dSP; |
157 | |
360 | |
158 | ENTER; |
361 | ENTER; |
159 | SAVETMPS; |
362 | SAVETMPS; |
160 | PUSHMARK (SP); |
363 | PUSHMARK (SP); |
161 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
364 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
162 | PUTBACK; |
365 | PUTBACK; |
163 | call_sv (grp->fh2, G_VOID | G_EVAL); |
366 | call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
164 | SPAGAIN; |
367 | SPAGAIN; |
165 | FREETMPS; |
368 | FREETMPS; |
166 | LEAVE; |
369 | LEAVE; |
167 | } |
370 | } |
168 | |
371 | |
169 | /* stop if no progress has been made */ |
372 | /* stop if no progress has been made */ |
170 | if (old_len == grp->length) |
373 | if (old_len == grp->size) |
171 | { |
374 | { |
172 | SvREFCNT_dec (grp->fh2); |
375 | SvREFCNT_dec (grp->sv2); |
173 | grp->fh2 = 0; |
376 | grp->sv2 = 0; |
174 | break; |
377 | break; |
175 | } |
378 | } |
176 | } |
379 | } |
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380 | |
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381 | unblock_sig (); |
177 | } |
382 | } |
178 | |
383 | |
179 | static void aio_grp_dec (aio_req grp) |
384 | static void aio_grp_dec (aio_req grp) |
180 | { |
385 | { |
181 | --grp->length; |
386 | --grp->size; |
182 | |
387 | |
183 | /* call feeder, if applicable */ |
388 | /* call feeder, if applicable */ |
184 | aio_grp_feed (grp); |
389 | aio_grp_feed (grp); |
185 | |
390 | |
186 | /* finish, if done */ |
391 | /* finish, if done */ |
187 | if (!grp->length && grp->fd) |
392 | if (!grp->size && grp->int1) |
188 | { |
393 | { |
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394 | block_sig (); |
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395 | |
189 | req_invoke (grp); |
396 | if (!req_invoke (grp)) |
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397 | { |
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398 | req_free (grp); |
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399 | unblock_sig (); |
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400 | croak (0); |
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401 | } |
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402 | |
190 | req_free (grp); |
403 | req_free (grp); |
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404 | unblock_sig (); |
191 | } |
405 | } |
192 | } |
406 | } |
193 | |
407 | |
194 | static void poll_wait () |
408 | static int req_invoke (aio_req req) |
195 | { |
409 | { |
196 | while (nreqs) |
410 | dSP; |
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411 | |
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412 | if (req->flags & FLAG_SV2_RO_OFF) |
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413 | SvREADONLY_off (req->sv2); |
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414 | |
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415 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
197 | { |
416 | { |
198 | aio_req req; |
417 | ENTER; |
199 | pthread_mutex_lock (&reslock); |
418 | SAVETMPS; |
200 | req = ress; |
419 | PUSHMARK (SP); |
201 | pthread_mutex_unlock (&reslock); |
420 | EXTEND (SP, 1); |
202 | |
421 | |
203 | if (req) |
422 | switch (req->type) |
204 | return; |
423 | { |
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424 | case REQ_READDIR: |
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425 | { |
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426 | SV *rv = &PL_sv_undef; |
205 | |
427 | |
206 | fd_set rfd; |
428 | if (req->result >= 0) |
207 | FD_ZERO(&rfd); |
429 | { |
208 | FD_SET(respipe [0], &rfd); |
430 | int i; |
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431 | char *buf = req->ptr2; |
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432 | AV *av = newAV (); |
209 | |
433 | |
210 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
434 | av_extend (av, req->result - 1); |
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435 | |
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436 | for (i = 0; i < req->result; ++i) |
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437 | { |
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438 | SV *sv = newSVpv (buf, 0); |
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439 | |
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440 | av_store (av, i, sv); |
|
|
441 | buf += SvCUR (sv) + 1; |
|
|
442 | } |
|
|
443 | |
|
|
444 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
|
445 | } |
|
|
446 | |
|
|
447 | PUSHs (rv); |
|
|
448 | } |
|
|
449 | break; |
|
|
450 | |
|
|
451 | case REQ_OPEN: |
|
|
452 | { |
|
|
453 | /* convert fd to fh */ |
|
|
454 | SV *fh; |
|
|
455 | |
|
|
456 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
457 | PUTBACK; |
|
|
458 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
459 | SPAGAIN; |
|
|
460 | |
|
|
461 | fh = POPs; |
|
|
462 | PUSHMARK (SP); |
|
|
463 | XPUSHs (fh); |
|
|
464 | } |
|
|
465 | break; |
|
|
466 | |
|
|
467 | case REQ_GROUP: |
|
|
468 | req->int1 = 2; /* mark group as finished */ |
|
|
469 | |
|
|
470 | if (req->sv1) |
|
|
471 | { |
|
|
472 | int i; |
|
|
473 | AV *av = (AV *)req->sv1; |
|
|
474 | |
|
|
475 | EXTEND (SP, AvFILL (av) + 1); |
|
|
476 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
477 | PUSHs (*av_fetch (av, i, 0)); |
|
|
478 | } |
|
|
479 | break; |
|
|
480 | |
|
|
481 | case REQ_NOP: |
|
|
482 | case REQ_BUSY: |
|
|
483 | break; |
|
|
484 | |
|
|
485 | case REQ_READLINK: |
|
|
486 | if (req->result > 0) |
|
|
487 | { |
|
|
488 | SvCUR_set (req->sv2, req->result); |
|
|
489 | *SvEND (req->sv2) = 0; |
|
|
490 | PUSHs (req->sv2); |
|
|
491 | } |
|
|
492 | break; |
|
|
493 | |
|
|
494 | case REQ_STAT: |
|
|
495 | case REQ_LSTAT: |
|
|
496 | case REQ_FSTAT: |
|
|
497 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
498 | PL_laststatval = req->result; |
|
|
499 | PL_statcache = *(Stat_t *)(req->ptr2); |
|
|
500 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
501 | break; |
|
|
502 | |
|
|
503 | case REQ_READ: |
|
|
504 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
|
|
505 | *SvEND (req->sv2) = 0; |
|
|
506 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
507 | break; |
|
|
508 | |
|
|
509 | default: |
|
|
510 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
511 | break; |
|
|
512 | } |
|
|
513 | |
|
|
514 | errno = req->errorno; |
|
|
515 | |
|
|
516 | PUTBACK; |
|
|
517 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
518 | SPAGAIN; |
|
|
519 | |
|
|
520 | FREETMPS; |
|
|
521 | LEAVE; |
211 | } |
522 | } |
212 | } |
|
|
213 | |
523 | |
214 | static void req_invoke (aio_req req) |
|
|
215 | { |
|
|
216 | dSP; |
|
|
217 | int errorno = errno; |
|
|
218 | |
|
|
219 | if (req->flags & FLAG_CANCELLED || !SvOK (req->callback)) |
|
|
220 | return; |
|
|
221 | |
|
|
222 | errno = req->errorno; |
|
|
223 | |
|
|
224 | ENTER; |
|
|
225 | SAVETMPS; |
|
|
226 | PUSHMARK (SP); |
|
|
227 | EXTEND (SP, 1); |
|
|
228 | |
|
|
229 | switch (req->type) |
|
|
230 | { |
|
|
231 | case REQ_READDIR: |
|
|
232 | { |
|
|
233 | SV *rv = &PL_sv_undef; |
|
|
234 | |
|
|
235 | if (req->result >= 0) |
|
|
236 | { |
|
|
237 | char *buf = req->data2ptr; |
|
|
238 | AV *av = newAV (); |
|
|
239 | |
|
|
240 | while (req->result) |
|
|
241 | { |
|
|
242 | SV *sv = newSVpv (buf, 0); |
|
|
243 | |
|
|
244 | av_push (av, sv); |
|
|
245 | buf += SvCUR (sv) + 1; |
|
|
246 | req->result--; |
|
|
247 | } |
|
|
248 | |
|
|
249 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
|
250 | } |
|
|
251 | |
|
|
252 | PUSHs (rv); |
|
|
253 | } |
|
|
254 | break; |
|
|
255 | |
|
|
256 | case REQ_OPEN: |
|
|
257 | { |
|
|
258 | /* convert fd to fh */ |
|
|
259 | SV *fh; |
|
|
260 | |
|
|
261 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
262 | PUTBACK; |
|
|
263 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
264 | SPAGAIN; |
|
|
265 | |
|
|
266 | fh = SvREFCNT_inc (POPs); |
|
|
267 | |
|
|
268 | PUSHMARK (SP); |
|
|
269 | XPUSHs (sv_2mortal (fh)); |
|
|
270 | } |
|
|
271 | break; |
|
|
272 | |
|
|
273 | case REQ_GROUP: |
|
|
274 | req->fd = 2; /* mark group as finished */ |
|
|
275 | |
|
|
276 | if (req->data) |
|
|
277 | { |
|
|
278 | int i; |
|
|
279 | AV *av = (AV *)req->data; |
|
|
280 | |
|
|
281 | EXTEND (SP, AvFILL (av) + 1); |
|
|
282 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
283 | PUSHs (*av_fetch (av, i, 0)); |
|
|
284 | } |
|
|
285 | break; |
|
|
286 | |
|
|
287 | case REQ_NOP: |
|
|
288 | case REQ_SLEEP: |
|
|
289 | break; |
|
|
290 | |
|
|
291 | default: |
|
|
292 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
293 | break; |
|
|
294 | } |
|
|
295 | |
|
|
296 | |
|
|
297 | PUTBACK; |
|
|
298 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
299 | SPAGAIN; |
|
|
300 | |
|
|
301 | FREETMPS; |
|
|
302 | LEAVE; |
|
|
303 | |
|
|
304 | errno = errorno; |
|
|
305 | |
|
|
306 | if (SvTRUE (ERRSV)) |
|
|
307 | { |
|
|
308 | req_free (req); |
|
|
309 | croak (0); |
|
|
310 | } |
|
|
311 | } |
|
|
312 | |
|
|
313 | static void req_free (aio_req req) |
|
|
314 | { |
|
|
315 | if (req->grp) |
524 | if (req->grp) |
316 | { |
525 | { |
317 | aio_req grp = req->grp; |
526 | aio_req grp = req->grp; |
318 | |
527 | |
319 | /* unlink request */ |
528 | /* unlink request */ |
… | |
… | |
324 | grp->grp_first = req->grp_next; |
533 | grp->grp_first = req->grp_next; |
325 | |
534 | |
326 | aio_grp_dec (grp); |
535 | aio_grp_dec (grp); |
327 | } |
536 | } |
328 | |
537 | |
|
|
538 | return !SvTRUE (ERRSV); |
|
|
539 | } |
|
|
540 | |
|
|
541 | static void req_free (aio_req req) |
|
|
542 | { |
329 | if (req->self) |
543 | if (req->self) |
330 | { |
544 | { |
331 | sv_unmagic (req->self, PERL_MAGIC_ext); |
545 | sv_unmagic (req->self, PERL_MAGIC_ext); |
332 | SvREFCNT_dec (req->self); |
546 | SvREFCNT_dec (req->self); |
333 | } |
547 | } |
334 | |
548 | |
335 | SvREFCNT_dec (req->data); |
|
|
336 | SvREFCNT_dec (req->fh); |
549 | SvREFCNT_dec (req->sv1); |
337 | SvREFCNT_dec (req->fh2); |
550 | SvREFCNT_dec (req->sv2); |
338 | SvREFCNT_dec (req->callback); |
551 | SvREFCNT_dec (req->callback); |
339 | Safefree (req->statdata); |
|
|
340 | |
552 | |
341 | if (req->type == REQ_READDIR && req->result >= 0) |
553 | if (req->flags & FLAG_PTR2_FREE) |
342 | free (req->data2ptr); |
554 | free (req->ptr2); |
343 | |
555 | |
344 | Safefree (req); |
556 | Safefree (req); |
345 | } |
557 | } |
346 | |
558 | |
|
|
559 | static void req_cancel_subs (aio_req grp) |
|
|
560 | { |
|
|
561 | aio_req sub; |
|
|
562 | |
|
|
563 | if (grp->type != REQ_GROUP) |
|
|
564 | return; |
|
|
565 | |
|
|
566 | SvREFCNT_dec (grp->sv2); |
|
|
567 | grp->sv2 = 0; |
|
|
568 | |
|
|
569 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
|
|
570 | req_cancel (sub); |
|
|
571 | } |
|
|
572 | |
347 | static void req_cancel (aio_req req) |
573 | static void req_cancel (aio_req req) |
348 | { |
574 | { |
349 | req->flags |= FLAG_CANCELLED; |
575 | req->flags |= FLAG_CANCELLED; |
350 | |
576 | |
351 | if (req->type == REQ_GROUP) |
577 | req_cancel_subs (req); |
|
|
578 | } |
|
|
579 | |
|
|
580 | static void *aio_proc(void *arg); |
|
|
581 | |
|
|
582 | static void start_thread (void) |
|
|
583 | { |
|
|
584 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
585 | |
|
|
586 | if (!wrk) |
|
|
587 | croak ("unable to allocate worker thread data"); |
|
|
588 | |
|
|
589 | LOCK (wrklock); |
|
|
590 | |
|
|
591 | if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) |
352 | { |
592 | { |
353 | aio_req sub; |
593 | wrk->prev = &wrk_first; |
|
|
594 | wrk->next = wrk_first.next; |
|
|
595 | wrk_first.next->prev = wrk; |
|
|
596 | wrk_first.next = wrk; |
|
|
597 | ++started; |
|
|
598 | } |
|
|
599 | else |
|
|
600 | free (wrk); |
354 | |
601 | |
355 | for (sub = req->grp_first; sub; sub = sub->grp_next) |
602 | UNLOCK (wrklock); |
356 | req_cancel (sub); |
603 | } |
|
|
604 | |
|
|
605 | static void maybe_start_thread () |
|
|
606 | { |
|
|
607 | if (get_nthreads () >= wanted) |
|
|
608 | return; |
|
|
609 | |
|
|
610 | /* todo: maybe use idle here, but might be less exact */ |
|
|
611 | if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
|
|
612 | return; |
|
|
613 | |
|
|
614 | start_thread (); |
|
|
615 | } |
|
|
616 | |
|
|
617 | static void req_send (aio_req req) |
|
|
618 | { |
|
|
619 | block_sig (); |
|
|
620 | |
|
|
621 | ++nreqs; |
|
|
622 | |
|
|
623 | LOCK (reqlock); |
|
|
624 | ++nready; |
|
|
625 | reqq_push (&req_queue, req); |
|
|
626 | COND_SIGNAL (reqwait); |
|
|
627 | UNLOCK (reqlock); |
|
|
628 | |
|
|
629 | unblock_sig (); |
|
|
630 | |
|
|
631 | maybe_start_thread (); |
|
|
632 | } |
|
|
633 | |
|
|
634 | static void end_thread (void) |
|
|
635 | { |
|
|
636 | aio_req req; |
|
|
637 | |
|
|
638 | Newz (0, req, 1, aio_cb); |
|
|
639 | |
|
|
640 | req->type = REQ_QUIT; |
|
|
641 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
642 | |
|
|
643 | LOCK (reqlock); |
|
|
644 | reqq_push (&req_queue, req); |
|
|
645 | COND_SIGNAL (reqwait); |
|
|
646 | UNLOCK (reqlock); |
|
|
647 | |
|
|
648 | LOCK (wrklock); |
|
|
649 | --started; |
|
|
650 | UNLOCK (wrklock); |
|
|
651 | } |
|
|
652 | |
|
|
653 | static void set_max_idle (int nthreads) |
|
|
654 | { |
|
|
655 | if (WORDACCESS_UNSAFE) LOCK (reqlock); |
|
|
656 | max_idle = nthreads <= 0 ? 1 : nthreads; |
|
|
657 | if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
|
|
658 | } |
|
|
659 | |
|
|
660 | static void min_parallel (int nthreads) |
|
|
661 | { |
|
|
662 | if (wanted < nthreads) |
|
|
663 | wanted = nthreads; |
|
|
664 | } |
|
|
665 | |
|
|
666 | static void max_parallel (int nthreads) |
|
|
667 | { |
|
|
668 | if (wanted > nthreads) |
|
|
669 | wanted = nthreads; |
|
|
670 | |
|
|
671 | while (started > wanted) |
|
|
672 | end_thread (); |
|
|
673 | } |
|
|
674 | |
|
|
675 | static void poll_wait () |
|
|
676 | { |
|
|
677 | fd_set rfd; |
|
|
678 | |
|
|
679 | while (nreqs) |
|
|
680 | { |
|
|
681 | int size; |
|
|
682 | if (WORDACCESS_UNSAFE) LOCK (reslock); |
|
|
683 | size = res_queue.size; |
|
|
684 | if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
|
|
685 | |
|
|
686 | if (size) |
|
|
687 | return; |
|
|
688 | |
|
|
689 | maybe_start_thread (); |
|
|
690 | |
|
|
691 | FD_ZERO(&rfd); |
|
|
692 | FD_SET(respipe [0], &rfd); |
|
|
693 | |
|
|
694 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
357 | } |
695 | } |
358 | } |
696 | } |
359 | |
697 | |
360 | static int poll_cb () |
698 | static int poll_cb () |
361 | { |
699 | { |
362 | dSP; |
700 | dSP; |
363 | int count = 0; |
701 | int count = 0; |
|
|
702 | int maxreqs = max_poll_reqs; |
364 | int do_croak = 0; |
703 | int do_croak = 0; |
|
|
704 | struct timeval tv_start, tv_now; |
365 | aio_req req; |
705 | aio_req req; |
|
|
706 | |
|
|
707 | if (max_poll_time) |
|
|
708 | gettimeofday (&tv_start, 0); |
|
|
709 | |
|
|
710 | block_sig (); |
366 | |
711 | |
367 | for (;;) |
712 | for (;;) |
368 | { |
713 | { |
369 | pthread_mutex_lock (&reslock); |
714 | for (;;) |
370 | req = ress; |
|
|
371 | |
|
|
372 | if (req) |
|
|
373 | { |
715 | { |
374 | ress = req->next; |
716 | maybe_start_thread (); |
375 | |
717 | |
|
|
718 | LOCK (reslock); |
|
|
719 | req = reqq_shift (&res_queue); |
|
|
720 | |
376 | if (!ress) |
721 | if (req) |
377 | { |
722 | { |
|
|
723 | --npending; |
|
|
724 | |
|
|
725 | if (!res_queue.size) |
|
|
726 | { |
378 | /* read any signals sent by the worker threads */ |
727 | /* read any signals sent by the worker threads */ |
379 | char buf [32]; |
728 | char buf [4]; |
380 | while (read (respipe [0], buf, 32) == 32) |
729 | while (read (respipe [0], buf, 4) == 4) |
|
|
730 | ; |
381 | ; |
731 | } |
|
|
732 | } |
382 | |
733 | |
|
|
734 | UNLOCK (reslock); |
|
|
735 | |
|
|
736 | if (!req) |
|
|
737 | break; |
|
|
738 | |
|
|
739 | --nreqs; |
|
|
740 | |
|
|
741 | if (req->type == REQ_GROUP && req->size) |
|
|
742 | { |
|
|
743 | req->int1 = 1; /* mark request as delayed */ |
|
|
744 | continue; |
|
|
745 | } |
|
|
746 | else |
|
|
747 | { |
|
|
748 | if (!req_invoke (req)) |
|
|
749 | { |
|
|
750 | req_free (req); |
|
|
751 | unblock_sig (); |
|
|
752 | croak (0); |
|
|
753 | } |
|
|
754 | |
|
|
755 | count++; |
|
|
756 | } |
|
|
757 | |
|
|
758 | req_free (req); |
|
|
759 | |
|
|
760 | if (maxreqs && !--maxreqs) |
|
|
761 | break; |
|
|
762 | |
|
|
763 | if (max_poll_time) |
|
|
764 | { |
|
|
765 | gettimeofday (&tv_now, 0); |
|
|
766 | |
|
|
767 | if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
383 | rese = 0; |
768 | break; |
384 | } |
769 | } |
385 | } |
770 | } |
386 | |
771 | |
387 | pthread_mutex_unlock (&reslock); |
772 | if (nreqs <= max_outstanding) |
388 | |
|
|
389 | if (!req) |
|
|
390 | break; |
773 | break; |
391 | |
774 | |
392 | --nreqs; |
775 | poll_wait (); |
393 | |
776 | |
394 | if (req->type == REQ_QUIT) |
777 | ++maxreqs; |
395 | started--; |
|
|
396 | else if (req->type == REQ_GROUP && req->length) |
|
|
397 | { |
|
|
398 | req->fd = 1; /* mark request as delayed */ |
|
|
399 | continue; |
|
|
400 | } |
|
|
401 | else |
|
|
402 | { |
|
|
403 | if (req->type == REQ_READ) |
|
|
404 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
|
|
405 | |
|
|
406 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
|
|
407 | SvREADONLY_off (req->data); |
|
|
408 | |
|
|
409 | if (req->statdata) |
|
|
410 | { |
|
|
411 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
|
|
412 | PL_laststatval = req->result; |
|
|
413 | PL_statcache = *(req->statdata); |
|
|
414 | } |
|
|
415 | |
|
|
416 | req_invoke (req); |
|
|
417 | |
|
|
418 | count++; |
|
|
419 | } |
|
|
420 | |
|
|
421 | req_free (req); |
|
|
422 | } |
778 | } |
423 | |
779 | |
|
|
780 | unblock_sig (); |
424 | return count; |
781 | return count; |
425 | } |
|
|
426 | |
|
|
427 | static void *aio_proc(void *arg); |
|
|
428 | |
|
|
429 | static void start_thread (void) |
|
|
430 | { |
|
|
431 | sigset_t fullsigset, oldsigset; |
|
|
432 | pthread_t tid; |
|
|
433 | pthread_attr_t attr; |
|
|
434 | |
|
|
435 | pthread_attr_init (&attr); |
|
|
436 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
437 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
438 | |
|
|
439 | sigfillset (&fullsigset); |
|
|
440 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
441 | |
|
|
442 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
|
|
443 | started++; |
|
|
444 | |
|
|
445 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
446 | } |
|
|
447 | |
|
|
448 | static void req_send (aio_req req) |
|
|
449 | { |
|
|
450 | while (started < wanted && nreqs >= started) |
|
|
451 | start_thread (); |
|
|
452 | |
|
|
453 | ++nreqs; |
|
|
454 | |
|
|
455 | pthread_mutex_lock (&reqlock); |
|
|
456 | |
|
|
457 | req->next = 0; |
|
|
458 | |
|
|
459 | if (reqe) |
|
|
460 | { |
|
|
461 | reqe->next = req; |
|
|
462 | reqe = req; |
|
|
463 | } |
|
|
464 | else |
|
|
465 | reqe = reqs = req; |
|
|
466 | |
|
|
467 | pthread_cond_signal (&reqwait); |
|
|
468 | pthread_mutex_unlock (&reqlock); |
|
|
469 | |
|
|
470 | if (nreqs > max_outstanding) |
|
|
471 | for (;;) |
|
|
472 | { |
|
|
473 | poll_cb (); |
|
|
474 | |
|
|
475 | if (nreqs <= max_outstanding) |
|
|
476 | break; |
|
|
477 | |
|
|
478 | poll_wait (); |
|
|
479 | } |
|
|
480 | } |
|
|
481 | |
|
|
482 | static void end_thread (void) |
|
|
483 | { |
|
|
484 | aio_req req; |
|
|
485 | Newz (0, req, 1, aio_cb); |
|
|
486 | req->type = REQ_QUIT; |
|
|
487 | |
|
|
488 | req_send (req); |
|
|
489 | } |
|
|
490 | |
|
|
491 | static void min_parallel (int nthreads) |
|
|
492 | { |
|
|
493 | if (wanted < nthreads) |
|
|
494 | wanted = nthreads; |
|
|
495 | } |
|
|
496 | |
|
|
497 | static void max_parallel (int nthreads) |
|
|
498 | { |
|
|
499 | int cur = started; |
|
|
500 | |
|
|
501 | if (wanted > nthreads) |
|
|
502 | wanted = nthreads; |
|
|
503 | |
|
|
504 | while (cur > wanted) |
|
|
505 | { |
|
|
506 | end_thread (); |
|
|
507 | cur--; |
|
|
508 | } |
|
|
509 | |
|
|
510 | while (started > wanted) |
|
|
511 | { |
|
|
512 | poll_wait (); |
|
|
513 | poll_cb (); |
|
|
514 | } |
|
|
515 | } |
782 | } |
516 | |
783 | |
517 | static void create_pipe () |
784 | static void create_pipe () |
518 | { |
785 | { |
519 | if (pipe (respipe)) |
786 | if (pipe (respipe)) |
… | |
… | |
536 | /* |
803 | /* |
537 | * make our pread/pwrite safe against themselves, but not against |
804 | * make our pread/pwrite safe against themselves, but not against |
538 | * normal read/write by using a mutex. slows down execution a lot, |
805 | * normal read/write by using a mutex. slows down execution a lot, |
539 | * but that's your problem, not mine. |
806 | * but that's your problem, not mine. |
540 | */ |
807 | */ |
541 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
808 | static mutex_t preadwritelock = MUTEX_INIT; |
542 | |
809 | |
543 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
810 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
544 | { |
811 | { |
545 | ssize_t res; |
812 | ssize_t res; |
546 | off_t ooffset; |
813 | off_t ooffset; |
547 | |
814 | |
548 | pthread_mutex_lock (&preadwritelock); |
815 | LOCK (preadwritelock); |
549 | ooffset = lseek (fd, 0, SEEK_CUR); |
816 | ooffset = lseek (fd, 0, SEEK_CUR); |
550 | lseek (fd, offset, SEEK_SET); |
817 | lseek (fd, offset, SEEK_SET); |
551 | res = read (fd, buf, count); |
818 | res = read (fd, buf, count); |
552 | lseek (fd, ooffset, SEEK_SET); |
819 | lseek (fd, ooffset, SEEK_SET); |
553 | pthread_mutex_unlock (&preadwritelock); |
820 | UNLOCK (preadwritelock); |
554 | |
821 | |
555 | return res; |
822 | return res; |
556 | } |
823 | } |
557 | |
824 | |
558 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
825 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
559 | { |
826 | { |
560 | ssize_t res; |
827 | ssize_t res; |
561 | off_t ooffset; |
828 | off_t ooffset; |
562 | |
829 | |
563 | pthread_mutex_lock (&preadwritelock); |
830 | LOCK (preadwritelock); |
564 | ooffset = lseek (fd, 0, SEEK_CUR); |
831 | ooffset = lseek (fd, 0, SEEK_CUR); |
565 | lseek (fd, offset, SEEK_SET); |
832 | lseek (fd, offset, SEEK_SET); |
566 | res = write (fd, buf, count); |
833 | res = write (fd, buf, count); |
567 | lseek (fd, offset, SEEK_SET); |
834 | lseek (fd, offset, SEEK_SET); |
568 | pthread_mutex_unlock (&preadwritelock); |
835 | UNLOCK (preadwritelock); |
569 | |
836 | |
570 | return res; |
837 | return res; |
571 | } |
838 | } |
|
|
839 | #endif |
|
|
840 | |
|
|
841 | #ifndef HAVE_FUTIMES |
|
|
842 | |
|
|
843 | # define utimes(path,times) aio_utimes (path, times) |
|
|
844 | # define futimes(fd,times) aio_futimes (fd, times) |
|
|
845 | |
|
|
846 | int aio_utimes (const char *filename, const struct timeval times[2]) |
|
|
847 | { |
|
|
848 | if (times) |
|
|
849 | { |
|
|
850 | struct utimbuf buf; |
|
|
851 | |
|
|
852 | buf.actime = times[0].tv_sec; |
|
|
853 | buf.modtime = times[1].tv_sec; |
|
|
854 | |
|
|
855 | return utime (filename, &buf); |
|
|
856 | } |
|
|
857 | else |
|
|
858 | return utime (filename, 0); |
|
|
859 | } |
|
|
860 | |
|
|
861 | int aio_futimes (int fd, const struct timeval tv[2]) |
|
|
862 | { |
|
|
863 | errno = ENOSYS; |
|
|
864 | return -1; |
|
|
865 | } |
|
|
866 | |
572 | #endif |
867 | #endif |
573 | |
868 | |
574 | #if !HAVE_FDATASYNC |
869 | #if !HAVE_FDATASYNC |
575 | # define fdatasync fsync |
870 | # define fdatasync fsync |
576 | #endif |
871 | #endif |
577 | |
872 | |
578 | #if !HAVE_READAHEAD |
873 | #if !HAVE_READAHEAD |
579 | # define readahead aio_readahead |
874 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
580 | |
875 | |
581 | static ssize_t readahead (int fd, off_t offset, size_t count) |
876 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
582 | { |
877 | { |
583 | char readahead_buf[4096]; |
878 | dBUF; |
584 | |
879 | |
585 | while (count > 0) |
880 | while (count > 0) |
586 | { |
881 | { |
587 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
882 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
588 | |
883 | |
589 | pread (fd, readahead_buf, len, offset); |
884 | pread (fd, aio_buf, len, offset); |
590 | offset += len; |
885 | offset += len; |
591 | count -= len; |
886 | count -= len; |
592 | } |
887 | } |
593 | |
888 | |
594 | errno = 0; |
889 | errno = 0; |
595 | } |
890 | } |
|
|
891 | |
596 | #endif |
892 | #endif |
597 | |
893 | |
598 | #if !HAVE_READDIR_R |
894 | #if !HAVE_READDIR_R |
599 | # define readdir_r aio_readdir_r |
895 | # define readdir_r aio_readdir_r |
600 | |
896 | |
601 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
897 | static mutex_t readdirlock = MUTEX_INIT; |
602 | |
898 | |
603 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
899 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
604 | { |
900 | { |
605 | struct dirent *e; |
901 | struct dirent *e; |
606 | int errorno; |
902 | int errorno; |
607 | |
903 | |
608 | pthread_mutex_lock (&readdirlock); |
904 | LOCK (readdirlock); |
609 | |
905 | |
610 | e = readdir (dirp); |
906 | e = readdir (dirp); |
611 | errorno = errno; |
907 | errorno = errno; |
612 | |
908 | |
613 | if (e) |
909 | if (e) |
… | |
… | |
616 | strcpy (ent->d_name, e->d_name); |
912 | strcpy (ent->d_name, e->d_name); |
617 | } |
913 | } |
618 | else |
914 | else |
619 | *res = 0; |
915 | *res = 0; |
620 | |
916 | |
621 | pthread_mutex_unlock (&readdirlock); |
917 | UNLOCK (readdirlock); |
622 | |
918 | |
623 | errno = errorno; |
919 | errno = errorno; |
624 | return e ? 0 : -1; |
920 | return e ? 0 : -1; |
625 | } |
921 | } |
626 | #endif |
922 | #endif |
627 | |
923 | |
628 | /* sendfile always needs emulation */ |
924 | /* sendfile always needs emulation */ |
629 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
925 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
630 | { |
926 | { |
631 | ssize_t res; |
927 | ssize_t res; |
632 | |
928 | |
633 | if (!count) |
929 | if (!count) |
634 | return 0; |
930 | return 0; |
… | |
… | |
645 | { |
941 | { |
646 | off_t sbytes; |
942 | off_t sbytes; |
647 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
943 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
648 | |
944 | |
649 | if (res < 0 && sbytes) |
945 | if (res < 0 && sbytes) |
650 | /* maybe only on EAGAIN only: as usual, the manpage leaves you guessing */ |
946 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
651 | res = sbytes; |
947 | res = sbytes; |
652 | } |
948 | } |
653 | |
949 | |
654 | # elif __hpux |
950 | # elif __hpux |
655 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
951 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
… | |
… | |
683 | #endif |
979 | #endif |
684 | ) |
980 | ) |
685 | ) |
981 | ) |
686 | { |
982 | { |
687 | /* emulate sendfile. this is a major pain in the ass */ |
983 | /* emulate sendfile. this is a major pain in the ass */ |
688 | char buf[4096]; |
984 | dBUF; |
|
|
985 | |
689 | res = 0; |
986 | res = 0; |
690 | |
987 | |
691 | while (count) |
988 | while (count) |
692 | { |
989 | { |
693 | ssize_t cnt; |
990 | ssize_t cnt; |
694 | |
991 | |
695 | cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset); |
992 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
696 | |
993 | |
697 | if (cnt <= 0) |
994 | if (cnt <= 0) |
698 | { |
995 | { |
699 | if (cnt && !res) res = -1; |
996 | if (cnt && !res) res = -1; |
700 | break; |
997 | break; |
701 | } |
998 | } |
702 | |
999 | |
703 | cnt = write (ofd, buf, cnt); |
1000 | cnt = write (ofd, aio_buf, cnt); |
704 | |
1001 | |
705 | if (cnt <= 0) |
1002 | if (cnt <= 0) |
706 | { |
1003 | { |
707 | if (cnt && !res) res = -1; |
1004 | if (cnt && !res) res = -1; |
708 | break; |
1005 | break; |
… | |
… | |
716 | |
1013 | |
717 | return res; |
1014 | return res; |
718 | } |
1015 | } |
719 | |
1016 | |
720 | /* read a full directory */ |
1017 | /* read a full directory */ |
721 | static int scandir_ (const char *path, void **namesp) |
1018 | static void scandir_ (aio_req req, worker *self) |
722 | { |
1019 | { |
723 | DIR *dirp = opendir (path); |
1020 | DIR *dirp; |
724 | union |
1021 | union |
725 | { |
1022 | { |
726 | struct dirent d; |
1023 | struct dirent d; |
727 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
1024 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
728 | } u; |
1025 | } *u; |
729 | struct dirent *entp; |
1026 | struct dirent *entp; |
730 | char *name, *names; |
1027 | char *name, *names; |
731 | int memlen = 4096; |
1028 | int memlen = 4096; |
732 | int memofs = 0; |
1029 | int memofs = 0; |
733 | int res = 0; |
1030 | int res = 0; |
734 | int errorno; |
1031 | int errorno; |
735 | |
1032 | |
736 | if (!dirp) |
1033 | LOCK (wrklock); |
737 | return -1; |
1034 | self->dirp = dirp = opendir (req->ptr1); |
738 | |
1035 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
1036 | req->flags |= FLAG_PTR2_FREE; |
739 | names = malloc (memlen); |
1037 | req->ptr2 = names = malloc (memlen); |
|
|
1038 | UNLOCK (wrklock); |
|
|
1039 | |
|
|
1040 | if (dirp && u && names) |
|
|
1041 | for (;;) |
|
|
1042 | { |
|
|
1043 | errno = 0; |
|
|
1044 | readdir_r (dirp, &u->d, &entp); |
|
|
1045 | |
|
|
1046 | if (!entp) |
|
|
1047 | break; |
|
|
1048 | |
|
|
1049 | name = entp->d_name; |
|
|
1050 | |
|
|
1051 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
1052 | { |
|
|
1053 | int len = strlen (name) + 1; |
|
|
1054 | |
|
|
1055 | res++; |
|
|
1056 | |
|
|
1057 | while (memofs + len > memlen) |
|
|
1058 | { |
|
|
1059 | memlen *= 2; |
|
|
1060 | LOCK (wrklock); |
|
|
1061 | req->ptr2 = names = realloc (names, memlen); |
|
|
1062 | UNLOCK (wrklock); |
|
|
1063 | |
|
|
1064 | if (!names) |
|
|
1065 | break; |
|
|
1066 | } |
|
|
1067 | |
|
|
1068 | memcpy (names + memofs, name, len); |
|
|
1069 | memofs += len; |
|
|
1070 | } |
|
|
1071 | } |
|
|
1072 | |
|
|
1073 | if (errno) |
|
|
1074 | res = -1; |
|
|
1075 | |
|
|
1076 | req->result = res; |
|
|
1077 | } |
|
|
1078 | |
|
|
1079 | /*****************************************************************************/ |
|
|
1080 | |
|
|
1081 | static void *aio_proc (void *thr_arg) |
|
|
1082 | { |
|
|
1083 | aio_req req; |
|
|
1084 | struct timespec ts; |
|
|
1085 | worker *self = (worker *)thr_arg; |
|
|
1086 | |
|
|
1087 | /* try to distribute timeouts somewhat evenly */ |
|
|
1088 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
1089 | * (1000000000UL / 1024UL); |
740 | |
1090 | |
741 | for (;;) |
1091 | for (;;) |
742 | { |
1092 | { |
743 | errno = 0, readdir_r (dirp, &u.d, &entp); |
1093 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
744 | |
1094 | |
745 | if (!entp) |
1095 | LOCK (reqlock); |
746 | break; |
|
|
747 | |
|
|
748 | name = entp->d_name; |
|
|
749 | |
|
|
750 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
|
|
751 | { |
|
|
752 | int len = strlen (name) + 1; |
|
|
753 | |
|
|
754 | res++; |
|
|
755 | |
|
|
756 | while (memofs + len > memlen) |
|
|
757 | { |
|
|
758 | memlen *= 2; |
|
|
759 | names = realloc (names, memlen); |
|
|
760 | if (!names) |
|
|
761 | break; |
|
|
762 | } |
|
|
763 | |
|
|
764 | memcpy (names + memofs, name, len); |
|
|
765 | memofs += len; |
|
|
766 | } |
|
|
767 | } |
|
|
768 | |
|
|
769 | errorno = errno; |
|
|
770 | closedir (dirp); |
|
|
771 | |
|
|
772 | if (errorno) |
|
|
773 | { |
|
|
774 | free (names); |
|
|
775 | errno = errorno; |
|
|
776 | res = -1; |
|
|
777 | } |
|
|
778 | |
|
|
779 | *namesp = (void *)names; |
|
|
780 | return res; |
|
|
781 | } |
|
|
782 | |
|
|
783 | /*****************************************************************************/ |
|
|
784 | |
|
|
785 | static void *aio_proc (void *thr_arg) |
|
|
786 | { |
|
|
787 | aio_req req; |
|
|
788 | int type; |
|
|
789 | |
|
|
790 | do |
|
|
791 | { |
|
|
792 | pthread_mutex_lock (&reqlock); |
|
|
793 | |
1096 | |
794 | for (;;) |
1097 | for (;;) |
795 | { |
1098 | { |
796 | req = reqs; |
1099 | self->req = req = reqq_shift (&req_queue); |
797 | |
|
|
798 | if (reqs) |
|
|
799 | { |
|
|
800 | reqs = reqs->next; |
|
|
801 | if (!reqs) reqe = 0; |
|
|
802 | } |
|
|
803 | |
1100 | |
804 | if (req) |
1101 | if (req) |
805 | break; |
1102 | break; |
806 | |
1103 | |
807 | pthread_cond_wait (&reqwait, &reqlock); |
1104 | ++idle; |
|
|
1105 | |
|
|
1106 | if (COND_TIMEDWAIT (reqwait, reqlock, ts) |
|
|
1107 | == ETIMEDOUT) |
|
|
1108 | { |
|
|
1109 | if (idle > max_idle) |
|
|
1110 | { |
|
|
1111 | --idle; |
|
|
1112 | UNLOCK (reqlock); |
|
|
1113 | LOCK (wrklock); |
|
|
1114 | --started; |
|
|
1115 | UNLOCK (wrklock); |
|
|
1116 | goto quit; |
|
|
1117 | } |
|
|
1118 | |
|
|
1119 | /* we are allowed to idle, so do so without any timeout */ |
|
|
1120 | COND_WAIT (reqwait, reqlock); |
|
|
1121 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1122 | } |
|
|
1123 | |
|
|
1124 | --idle; |
808 | } |
1125 | } |
809 | |
1126 | |
810 | pthread_mutex_unlock (&reqlock); |
1127 | --nready; |
|
|
1128 | |
|
|
1129 | UNLOCK (reqlock); |
811 | |
1130 | |
812 | errno = 0; /* strictly unnecessary */ |
1131 | errno = 0; /* strictly unnecessary */ |
813 | type = req->type; /* remember type for QUIT check */ |
|
|
814 | |
1132 | |
815 | if (!(req->flags & FLAG_CANCELLED)) |
1133 | if (!(req->flags & FLAG_CANCELLED)) |
816 | switch (type) |
1134 | switch (req->type) |
817 | { |
1135 | { |
818 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
1136 | case REQ_READ: req->result = pread (req->int1, req->ptr1, req->size, req->offs); break; |
819 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
1137 | case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break; |
820 | |
1138 | |
821 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
1139 | case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; |
822 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
1140 | case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; |
823 | |
1141 | |
824 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
1142 | case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break; |
825 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
1143 | case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break; |
826 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
1144 | case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break; |
827 | |
1145 | |
|
|
1146 | case REQ_CHOWN: req->result = chown (req->ptr1, req->int2, req->int3); break; |
|
|
1147 | case REQ_FCHOWN: req->result = fchown (req->int1, req->int2, req->int3); break; |
|
|
1148 | case REQ_CHMOD: req->result = chmod (req->ptr1, req->mode); break; |
|
|
1149 | case REQ_FCHMOD: req->result = fchmod (req->int1, req->mode); break; |
|
|
1150 | |
828 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
1151 | case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; |
829 | case REQ_CLOSE: req->result = close (req->fd); break; |
1152 | case REQ_CLOSE: req->result = close (req->int1); break; |
830 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
1153 | case REQ_UNLINK: req->result = unlink (req->ptr1); break; |
831 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
1154 | case REQ_RMDIR: req->result = rmdir (req->ptr1); break; |
|
|
1155 | case REQ_MKDIR: req->result = mkdir (req->ptr1, req->mode); break; |
832 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
1156 | case REQ_RENAME: req->result = rename (req->ptr2, req->ptr1); break; |
833 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
1157 | case REQ_LINK: req->result = link (req->ptr2, req->ptr1); break; |
834 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
1158 | case REQ_SYMLINK: req->result = symlink (req->ptr2, req->ptr1); break; |
|
|
1159 | case REQ_MKNOD: req->result = mknod (req->ptr2, req->mode, (dev_t)req->offs); break; |
|
|
1160 | case REQ_READLINK: req->result = readlink (req->ptr2, req->ptr1, NAME_MAX); break; |
835 | |
1161 | |
836 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
1162 | case REQ_FDATASYNC: req->result = fdatasync (req->int1); break; |
837 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
1163 | case REQ_FSYNC: req->result = fsync (req->int1); break; |
838 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
1164 | case REQ_READDIR: scandir_ (req, self); break; |
839 | |
1165 | |
840 | case REQ_SLEEP: |
1166 | case REQ_BUSY: |
841 | { |
1167 | { |
842 | struct timeval tv; |
1168 | struct timeval tv; |
843 | |
1169 | |
844 | tv.tv_sec = req->fd; |
1170 | tv.tv_sec = req->nv1; |
845 | tv.tv_usec = req->fd2; |
1171 | tv.tv_usec = (req->nv1 - tv.tv_usec) * 1000000.; |
846 | |
1172 | |
847 | req->result = select (0, 0, 0, 0, &tv); |
1173 | req->result = select (0, 0, 0, 0, &tv); |
848 | } |
1174 | } |
849 | |
1175 | |
|
|
1176 | case REQ_UTIME: |
|
|
1177 | case REQ_FUTIME: |
|
|
1178 | { |
|
|
1179 | struct timeval tv[2]; |
|
|
1180 | struct timeval *times; |
|
|
1181 | |
|
|
1182 | if (req->nv1 != -1. || req->nv2 != -1.) |
|
|
1183 | { |
|
|
1184 | tv[0].tv_sec = req->nv1; |
|
|
1185 | tv[0].tv_usec = (req->nv1 - tv[0].tv_sec) * 1000000.; |
|
|
1186 | tv[1].tv_sec = req->nv2; |
|
|
1187 | tv[1].tv_usec = (req->nv2 - tv[1].tv_sec) * 1000000.; |
|
|
1188 | |
|
|
1189 | times = tv; |
|
|
1190 | } |
|
|
1191 | else |
|
|
1192 | times = 0; |
|
|
1193 | |
|
|
1194 | |
|
|
1195 | req->result = req->type == REQ_FUTIME |
|
|
1196 | ? futimes (req->int1, times) |
|
|
1197 | : utimes (req->ptr1, times); |
|
|
1198 | } |
|
|
1199 | |
850 | case REQ_GROUP: |
1200 | case REQ_GROUP: |
851 | case REQ_NOP: |
1201 | case REQ_NOP: |
|
|
1202 | break; |
|
|
1203 | |
852 | case REQ_QUIT: |
1204 | case REQ_QUIT: |
853 | break; |
1205 | goto quit; |
854 | |
1206 | |
855 | default: |
1207 | default: |
856 | req->result = ENOSYS; |
1208 | req->result = -1; |
857 | break; |
1209 | break; |
858 | } |
1210 | } |
859 | |
1211 | |
860 | req->errorno = errno; |
1212 | req->errorno = errno; |
861 | |
1213 | |
862 | pthread_mutex_lock (&reslock); |
1214 | LOCK (reslock); |
863 | |
1215 | |
864 | req->next = 0; |
1216 | ++npending; |
865 | |
1217 | |
866 | if (rese) |
1218 | if (!reqq_push (&res_queue, req)) |
867 | { |
1219 | { |
868 | rese->next = req; |
|
|
869 | rese = req; |
|
|
870 | } |
|
|
871 | else |
|
|
872 | { |
|
|
873 | rese = ress = req; |
|
|
874 | |
|
|
875 | /* write a dummy byte to the pipe so fh becomes ready */ |
1220 | /* write a dummy byte to the pipe so fh becomes ready */ |
876 | write (respipe [1], &respipe, 1); |
1221 | write (respipe [1], &respipe, 1); |
|
|
1222 | |
|
|
1223 | /* optionally signal the main thread asynchronously */ |
|
|
1224 | if (main_sig) |
|
|
1225 | pthread_kill (main_tid, main_sig); |
877 | } |
1226 | } |
878 | |
1227 | |
879 | pthread_mutex_unlock (&reslock); |
1228 | self->req = 0; |
|
|
1229 | worker_clear (self); |
|
|
1230 | |
|
|
1231 | UNLOCK (reslock); |
880 | } |
1232 | } |
881 | while (type != REQ_QUIT); |
1233 | |
|
|
1234 | quit: |
|
|
1235 | LOCK (wrklock); |
|
|
1236 | worker_free (self); |
|
|
1237 | UNLOCK (wrklock); |
882 | |
1238 | |
883 | return 0; |
1239 | return 0; |
884 | } |
1240 | } |
885 | |
1241 | |
886 | /*****************************************************************************/ |
1242 | /*****************************************************************************/ |
887 | |
1243 | |
888 | static void atfork_prepare (void) |
1244 | static void atfork_prepare (void) |
889 | { |
1245 | { |
890 | pthread_mutex_lock (&reqlock); |
1246 | LOCK (wrklock); |
891 | pthread_mutex_lock (&reslock); |
1247 | LOCK (reqlock); |
|
|
1248 | LOCK (reslock); |
892 | #if !HAVE_PREADWRITE |
1249 | #if !HAVE_PREADWRITE |
893 | pthread_mutex_lock (&preadwritelock); |
1250 | LOCK (preadwritelock); |
894 | #endif |
1251 | #endif |
895 | #if !HAVE_READDIR_R |
1252 | #if !HAVE_READDIR_R |
896 | pthread_mutex_lock (&readdirlock); |
1253 | LOCK (readdirlock); |
897 | #endif |
1254 | #endif |
898 | } |
1255 | } |
899 | |
1256 | |
900 | static void atfork_parent (void) |
1257 | static void atfork_parent (void) |
901 | { |
1258 | { |
902 | #if !HAVE_READDIR_R |
1259 | #if !HAVE_READDIR_R |
903 | pthread_mutex_unlock (&readdirlock); |
1260 | UNLOCK (readdirlock); |
904 | #endif |
1261 | #endif |
905 | #if !HAVE_PREADWRITE |
1262 | #if !HAVE_PREADWRITE |
906 | pthread_mutex_unlock (&preadwritelock); |
1263 | UNLOCK (preadwritelock); |
907 | #endif |
1264 | #endif |
908 | pthread_mutex_unlock (&reslock); |
1265 | UNLOCK (reslock); |
909 | pthread_mutex_unlock (&reqlock); |
1266 | UNLOCK (reqlock); |
|
|
1267 | UNLOCK (wrklock); |
910 | } |
1268 | } |
911 | |
1269 | |
912 | static void atfork_child (void) |
1270 | static void atfork_child (void) |
913 | { |
1271 | { |
914 | aio_req prv; |
1272 | aio_req prv; |
915 | |
1273 | |
916 | started = 0; |
1274 | while (prv = reqq_shift (&req_queue)) |
|
|
1275 | req_free (prv); |
917 | |
1276 | |
918 | while (reqs) |
1277 | while (prv = reqq_shift (&res_queue)) |
|
|
1278 | req_free (prv); |
|
|
1279 | |
|
|
1280 | while (wrk_first.next != &wrk_first) |
919 | { |
1281 | { |
920 | prv = reqs; |
1282 | worker *wrk = wrk_first.next; |
921 | reqs = prv->next; |
1283 | |
|
|
1284 | if (wrk->req) |
|
|
1285 | req_free (wrk->req); |
|
|
1286 | |
|
|
1287 | worker_clear (wrk); |
922 | req_free (prv); |
1288 | worker_free (wrk); |
923 | } |
1289 | } |
924 | |
1290 | |
925 | reqs = reqe = 0; |
1291 | started = 0; |
926 | |
1292 | idle = 0; |
927 | while (ress) |
1293 | nreqs = 0; |
928 | { |
1294 | nready = 0; |
929 | prv = ress; |
1295 | npending = 0; |
930 | ress = prv->next; |
|
|
931 | req_free (prv); |
|
|
932 | } |
|
|
933 | |
|
|
934 | ress = rese = 0; |
|
|
935 | |
1296 | |
936 | close (respipe [0]); |
1297 | close (respipe [0]); |
937 | close (respipe [1]); |
1298 | close (respipe [1]); |
938 | create_pipe (); |
1299 | create_pipe (); |
939 | |
1300 | |
… | |
… | |
966 | PROTOTYPES: ENABLE |
1327 | PROTOTYPES: ENABLE |
967 | |
1328 | |
968 | BOOT: |
1329 | BOOT: |
969 | { |
1330 | { |
970 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1331 | HV *stash = gv_stashpv ("IO::AIO", 1); |
|
|
1332 | |
971 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1333 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
972 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1334 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
973 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1335 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1336 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1337 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1338 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
1339 | newCONSTSUB (stash, "SIGIO", newSViv (SIGIO)); |
974 | |
1340 | |
975 | create_pipe (); |
1341 | create_pipe (); |
976 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1342 | ATFORK (atfork_prepare, atfork_parent, atfork_child); |
977 | } |
1343 | } |
978 | |
1344 | |
979 | void |
1345 | void |
980 | min_parallel (nthreads) |
1346 | max_poll_reqs (int nreqs) |
981 | int nthreads |
|
|
982 | PROTOTYPE: $ |
1347 | PROTOTYPE: $ |
|
|
1348 | CODE: |
|
|
1349 | max_poll_reqs = nreqs; |
983 | |
1350 | |
984 | void |
1351 | void |
985 | max_parallel (nthreads) |
1352 | max_poll_time (double nseconds) |
986 | int nthreads |
|
|
987 | PROTOTYPE: $ |
1353 | PROTOTYPE: $ |
|
|
1354 | CODE: |
|
|
1355 | max_poll_time = nseconds * AIO_TICKS; |
|
|
1356 | |
|
|
1357 | void |
|
|
1358 | min_parallel (int nthreads) |
|
|
1359 | PROTOTYPE: $ |
|
|
1360 | |
|
|
1361 | void |
|
|
1362 | max_parallel (int nthreads) |
|
|
1363 | PROTOTYPE: $ |
|
|
1364 | |
|
|
1365 | void |
|
|
1366 | max_idle (int nthreads) |
|
|
1367 | PROTOTYPE: $ |
|
|
1368 | CODE: |
|
|
1369 | set_max_idle (nthreads); |
988 | |
1370 | |
989 | int |
1371 | int |
990 | max_outstanding (nreqs) |
1372 | max_outstanding (int maxreqs) |
991 | int nreqs |
1373 | PROTOTYPE: $ |
992 | PROTOTYPE: $ |
|
|
993 | CODE: |
1374 | CODE: |
994 | RETVAL = max_outstanding; |
1375 | RETVAL = max_outstanding; |
995 | max_outstanding = nreqs; |
1376 | max_outstanding = maxreqs; |
|
|
1377 | OUTPUT: |
|
|
1378 | RETVAL |
996 | |
1379 | |
997 | void |
1380 | void |
998 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1381 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
999 | SV * pathname |
|
|
1000 | int flags |
|
|
1001 | int mode |
|
|
1002 | SV * callback |
|
|
1003 | PROTOTYPE: $$$;$ |
1382 | PROTOTYPE: $$$;$ |
1004 | PPCODE: |
1383 | PPCODE: |
1005 | { |
1384 | { |
1006 | dREQ; |
1385 | dREQ; |
1007 | |
1386 | |
1008 | req->type = REQ_OPEN; |
1387 | req->type = REQ_OPEN; |
1009 | req->data = newSVsv (pathname); |
1388 | req->sv1 = newSVsv (pathname); |
1010 | req->dataptr = SvPVbyte_nolen (req->data); |
1389 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1011 | req->fd = flags; |
1390 | req->int1 = flags; |
1012 | req->mode = mode; |
1391 | req->mode = mode; |
1013 | |
1392 | |
1014 | REQ_SEND; |
1393 | REQ_SEND; |
1015 | } |
1394 | } |
1016 | |
1395 | |
1017 | void |
1396 | void |
1018 | aio_close (fh,callback=&PL_sv_undef) |
1397 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
1019 | SV * fh |
|
|
1020 | SV * callback |
|
|
1021 | PROTOTYPE: $;$ |
1398 | PROTOTYPE: $;$ |
1022 | ALIAS: |
1399 | ALIAS: |
1023 | aio_close = REQ_CLOSE |
1400 | aio_close = REQ_CLOSE |
1024 | aio_fsync = REQ_FSYNC |
1401 | aio_fsync = REQ_FSYNC |
1025 | aio_fdatasync = REQ_FDATASYNC |
1402 | aio_fdatasync = REQ_FDATASYNC |
1026 | PPCODE: |
1403 | PPCODE: |
1027 | { |
1404 | { |
1028 | dREQ; |
1405 | dREQ; |
1029 | |
1406 | |
1030 | req->type = ix; |
1407 | req->type = ix; |
1031 | req->fh = newSVsv (fh); |
1408 | req->sv1 = newSVsv (fh); |
1032 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1409 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1033 | |
1410 | |
1034 | REQ_SEND (req); |
1411 | REQ_SEND (req); |
1035 | } |
1412 | } |
1036 | |
1413 | |
1037 | void |
1414 | void |
1038 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1415 | aio_read (SV *fh, UV offset, UV length, SV8 *data, UV dataoffset, SV *callback=&PL_sv_undef) |
1039 | SV * fh |
|
|
1040 | UV offset |
|
|
1041 | UV length |
|
|
1042 | SV * data |
|
|
1043 | UV dataoffset |
|
|
1044 | SV * callback |
|
|
1045 | ALIAS: |
1416 | ALIAS: |
1046 | aio_read = REQ_READ |
1417 | aio_read = REQ_READ |
1047 | aio_write = REQ_WRITE |
1418 | aio_write = REQ_WRITE |
1048 | PROTOTYPE: $$$$$;$ |
1419 | PROTOTYPE: $$$$$;$ |
1049 | PPCODE: |
1420 | PPCODE: |
1050 | { |
1421 | { |
1051 | aio_req req; |
|
|
1052 | STRLEN svlen; |
1422 | STRLEN svlen; |
1053 | char *svptr = SvPVbyte (data, svlen); |
1423 | char *svptr = SvPVbyte (data, svlen); |
1054 | |
1424 | |
1055 | SvUPGRADE (data, SVt_PV); |
1425 | SvUPGRADE (data, SVt_PV); |
1056 | SvPOK_on (data); |
1426 | SvPOK_on (data); |
… | |
… | |
1068 | length = svlen - dataoffset; |
1438 | length = svlen - dataoffset; |
1069 | } |
1439 | } |
1070 | else |
1440 | else |
1071 | { |
1441 | { |
1072 | /* read: grow scalar as necessary */ |
1442 | /* read: grow scalar as necessary */ |
1073 | svptr = SvGROW (data, length + dataoffset); |
1443 | svptr = SvGROW (data, length + dataoffset + 1); |
1074 | } |
1444 | } |
1075 | |
1445 | |
1076 | if (length < 0) |
1446 | if (length < 0) |
1077 | croak ("length must not be negative"); |
1447 | croak ("length must not be negative"); |
1078 | |
1448 | |
1079 | { |
1449 | { |
1080 | dREQ; |
1450 | dREQ; |
1081 | |
1451 | |
1082 | req->type = ix; |
1452 | req->type = ix; |
1083 | req->fh = newSVsv (fh); |
1453 | req->sv1 = newSVsv (fh); |
1084 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1454 | req->int1 = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
1085 | : IoOFP (sv_2io (fh))); |
1455 | : IoOFP (sv_2io (fh))); |
1086 | req->offset = offset; |
1456 | req->offs = offset; |
1087 | req->length = length; |
1457 | req->size = length; |
1088 | req->data = SvREFCNT_inc (data); |
1458 | req->sv2 = SvREFCNT_inc (data); |
1089 | req->dataptr = (char *)svptr + dataoffset; |
1459 | req->ptr1 = (char *)svptr + dataoffset; |
|
|
1460 | req->stroffset = dataoffset; |
1090 | |
1461 | |
1091 | if (!SvREADONLY (data)) |
1462 | if (!SvREADONLY (data)) |
1092 | { |
1463 | { |
1093 | SvREADONLY_on (data); |
1464 | SvREADONLY_on (data); |
1094 | req->data2ptr = (void *)data; |
1465 | req->flags |= FLAG_SV2_RO_OFF; |
1095 | } |
1466 | } |
1096 | |
1467 | |
1097 | REQ_SEND; |
1468 | REQ_SEND; |
1098 | } |
1469 | } |
1099 | } |
1470 | } |
1100 | |
1471 | |
1101 | void |
1472 | void |
|
|
1473 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
|
|
1474 | PROTOTYPE: $$;$ |
|
|
1475 | PPCODE: |
|
|
1476 | { |
|
|
1477 | SV *data; |
|
|
1478 | dREQ; |
|
|
1479 | |
|
|
1480 | data = newSV (NAME_MAX); |
|
|
1481 | SvPOK_on (data); |
|
|
1482 | |
|
|
1483 | req->type = REQ_READLINK; |
|
|
1484 | req->sv1 = newSVsv (path); |
|
|
1485 | req->ptr2 = SvPVbyte_nolen (req->sv1); |
|
|
1486 | req->sv2 = data; |
|
|
1487 | req->ptr1 = SvPVbyte_nolen (data); |
|
|
1488 | |
|
|
1489 | REQ_SEND; |
|
|
1490 | } |
|
|
1491 | |
|
|
1492 | void |
1102 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1493 | aio_sendfile (SV *out_fh, SV *in_fh, UV in_offset, UV length, SV *callback=&PL_sv_undef) |
1103 | SV * out_fh |
|
|
1104 | SV * in_fh |
|
|
1105 | UV in_offset |
|
|
1106 | UV length |
|
|
1107 | SV * callback |
|
|
1108 | PROTOTYPE: $$$$;$ |
1494 | PROTOTYPE: $$$$;$ |
1109 | PPCODE: |
1495 | PPCODE: |
1110 | { |
1496 | { |
1111 | dREQ; |
1497 | dREQ; |
1112 | |
1498 | |
1113 | req->type = REQ_SENDFILE; |
1499 | req->type = REQ_SENDFILE; |
1114 | req->fh = newSVsv (out_fh); |
1500 | req->sv1 = newSVsv (out_fh); |
1115 | req->fd = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1501 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
1116 | req->fh2 = newSVsv (in_fh); |
1502 | req->sv2 = newSVsv (in_fh); |
1117 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1503 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1118 | req->offset = in_offset; |
1504 | req->offs = in_offset; |
1119 | req->length = length; |
1505 | req->size = length; |
1120 | |
1506 | |
1121 | REQ_SEND; |
1507 | REQ_SEND; |
1122 | } |
1508 | } |
1123 | |
1509 | |
1124 | void |
1510 | void |
1125 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
1511 | aio_readahead (SV *fh, UV offset, IV length, SV *callback=&PL_sv_undef) |
1126 | SV * fh |
|
|
1127 | UV offset |
|
|
1128 | IV length |
|
|
1129 | SV * callback |
|
|
1130 | PROTOTYPE: $$$;$ |
1512 | PROTOTYPE: $$$;$ |
1131 | PPCODE: |
1513 | PPCODE: |
1132 | { |
1514 | { |
1133 | dREQ; |
1515 | dREQ; |
1134 | |
1516 | |
1135 | req->type = REQ_READAHEAD; |
1517 | req->type = REQ_READAHEAD; |
1136 | req->fh = newSVsv (fh); |
1518 | req->sv1 = newSVsv (fh); |
1137 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1519 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1138 | req->offset = offset; |
1520 | req->offs = offset; |
1139 | req->length = length; |
1521 | req->size = length; |
1140 | |
1522 | |
1141 | REQ_SEND; |
1523 | REQ_SEND; |
1142 | } |
1524 | } |
1143 | |
1525 | |
1144 | void |
1526 | void |
1145 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1527 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1146 | SV * fh_or_path |
|
|
1147 | SV * callback |
|
|
1148 | ALIAS: |
1528 | ALIAS: |
1149 | aio_stat = REQ_STAT |
1529 | aio_stat = REQ_STAT |
1150 | aio_lstat = REQ_LSTAT |
1530 | aio_lstat = REQ_LSTAT |
1151 | PPCODE: |
1531 | PPCODE: |
1152 | { |
1532 | { |
1153 | dREQ; |
1533 | dREQ; |
1154 | |
1534 | |
1155 | New (0, req->statdata, 1, Stat_t); |
1535 | req->ptr2 = malloc (sizeof (Stat_t)); |
1156 | if (!req->statdata) |
1536 | if (!req->ptr2) |
1157 | { |
1537 | { |
1158 | req_free (req); |
1538 | req_free (req); |
1159 | croak ("out of memory during aio_req->statdata allocation"); |
1539 | croak ("out of memory during aio_stat statdata allocation"); |
1160 | } |
1540 | } |
|
|
1541 | |
|
|
1542 | req->flags |= FLAG_PTR2_FREE; |
|
|
1543 | req->sv1 = newSVsv (fh_or_path); |
1161 | |
1544 | |
1162 | if (SvPOK (fh_or_path)) |
1545 | if (SvPOK (fh_or_path)) |
1163 | { |
1546 | { |
1164 | req->type = ix; |
1547 | req->type = ix; |
1165 | req->data = newSVsv (fh_or_path); |
|
|
1166 | req->dataptr = SvPVbyte_nolen (req->data); |
1548 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1167 | } |
1549 | } |
1168 | else |
1550 | else |
1169 | { |
1551 | { |
1170 | req->type = REQ_FSTAT; |
1552 | req->type = REQ_FSTAT; |
1171 | req->fh = newSVsv (fh_or_path); |
|
|
1172 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1553 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1173 | } |
1554 | } |
1174 | |
1555 | |
1175 | REQ_SEND; |
1556 | REQ_SEND; |
1176 | } |
1557 | } |
1177 | |
1558 | |
1178 | void |
1559 | void |
|
|
1560 | aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
|
|
1561 | PPCODE: |
|
|
1562 | { |
|
|
1563 | dREQ; |
|
|
1564 | |
|
|
1565 | req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
|
|
1566 | req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
|
|
1567 | req->sv1 = newSVsv (fh_or_path); |
|
|
1568 | |
|
|
1569 | if (SvPOK (fh_or_path)) |
|
|
1570 | { |
|
|
1571 | req->type = REQ_UTIME; |
|
|
1572 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1573 | } |
|
|
1574 | else |
|
|
1575 | { |
|
|
1576 | req->type = REQ_FUTIME; |
|
|
1577 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1578 | } |
|
|
1579 | |
|
|
1580 | REQ_SEND; |
|
|
1581 | } |
|
|
1582 | |
|
|
1583 | void |
|
|
1584 | aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
|
|
1585 | PPCODE: |
|
|
1586 | { |
|
|
1587 | dREQ; |
|
|
1588 | |
|
|
1589 | req->mode = mode; |
|
|
1590 | req->sv1 = newSVsv (fh_or_path); |
|
|
1591 | |
|
|
1592 | if (SvPOK (fh_or_path)) |
|
|
1593 | { |
|
|
1594 | req->type = REQ_CHMOD; |
|
|
1595 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1596 | } |
|
|
1597 | else |
|
|
1598 | { |
|
|
1599 | req->type = REQ_FCHMOD; |
|
|
1600 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1601 | } |
|
|
1602 | |
|
|
1603 | REQ_SEND; |
|
|
1604 | } |
|
|
1605 | |
|
|
1606 | void |
|
|
1607 | aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
|
|
1608 | PPCODE: |
|
|
1609 | { |
|
|
1610 | dREQ; |
|
|
1611 | |
|
|
1612 | req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
|
|
1613 | req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
|
|
1614 | req->sv1 = newSVsv (fh_or_path); |
|
|
1615 | |
|
|
1616 | if (SvPOK (fh_or_path)) |
|
|
1617 | { |
|
|
1618 | req->type = REQ_CHOWN; |
|
|
1619 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1620 | } |
|
|
1621 | else |
|
|
1622 | { |
|
|
1623 | req->type = REQ_FCHOWN; |
|
|
1624 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
|
|
1625 | } |
|
|
1626 | |
|
|
1627 | REQ_SEND; |
|
|
1628 | } |
|
|
1629 | |
|
|
1630 | void |
1179 | aio_unlink (pathname,callback=&PL_sv_undef) |
1631 | aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1180 | SV * pathname |
|
|
1181 | SV * callback |
|
|
1182 | ALIAS: |
1632 | ALIAS: |
1183 | aio_unlink = REQ_UNLINK |
1633 | aio_unlink = REQ_UNLINK |
1184 | aio_rmdir = REQ_RMDIR |
1634 | aio_rmdir = REQ_RMDIR |
1185 | aio_readdir = REQ_READDIR |
1635 | aio_readdir = REQ_READDIR |
1186 | PPCODE: |
1636 | PPCODE: |
1187 | { |
1637 | { |
1188 | dREQ; |
1638 | dREQ; |
1189 | |
1639 | |
1190 | req->type = ix; |
1640 | req->type = ix; |
1191 | req->data = newSVsv (pathname); |
1641 | req->sv1 = newSVsv (pathname); |
1192 | req->dataptr = SvPVbyte_nolen (req->data); |
1642 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1643 | |
|
|
1644 | REQ_SEND; |
|
|
1645 | } |
|
|
1646 | |
|
|
1647 | void |
|
|
1648 | aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
|
|
1649 | PPCODE: |
|
|
1650 | { |
|
|
1651 | dREQ; |
1193 | |
1652 | |
|
|
1653 | req->type = REQ_MKDIR; |
|
|
1654 | req->sv1 = newSVsv (pathname); |
|
|
1655 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
|
|
1656 | req->mode = mode; |
|
|
1657 | |
1194 | REQ_SEND; |
1658 | REQ_SEND; |
1195 | } |
1659 | } |
1196 | |
1660 | |
1197 | void |
1661 | void |
1198 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1662 | aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1199 | SV * oldpath |
|
|
1200 | SV * newpath |
|
|
1201 | SV * callback |
|
|
1202 | ALIAS: |
1663 | ALIAS: |
1203 | aio_link = REQ_LINK |
1664 | aio_link = REQ_LINK |
1204 | aio_symlink = REQ_SYMLINK |
1665 | aio_symlink = REQ_SYMLINK |
1205 | aio_rename = REQ_RENAME |
1666 | aio_rename = REQ_RENAME |
1206 | PPCODE: |
1667 | PPCODE: |
1207 | { |
1668 | { |
1208 | dREQ; |
1669 | dREQ; |
1209 | |
1670 | |
1210 | req->type = ix; |
1671 | req->type = ix; |
1211 | req->fh = newSVsv (oldpath); |
1672 | req->sv2 = newSVsv (oldpath); |
1212 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1673 | req->ptr2 = SvPVbyte_nolen (req->sv2); |
1213 | req->data = newSVsv (newpath); |
1674 | req->sv1 = newSVsv (newpath); |
1214 | req->dataptr = SvPVbyte_nolen (req->data); |
1675 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1215 | |
1676 | |
1216 | REQ_SEND; |
1677 | REQ_SEND; |
1217 | } |
1678 | } |
1218 | |
1679 | |
1219 | void |
1680 | void |
1220 | aio_sleep (delay,callback=&PL_sv_undef) |
1681 | aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1221 | double delay |
|
|
1222 | SV * callback |
|
|
1223 | PPCODE: |
1682 | PPCODE: |
1224 | { |
1683 | { |
1225 | dREQ; |
1684 | dREQ; |
1226 | |
1685 | |
1227 | req->type = REQ_SLEEP; |
1686 | req->type = REQ_MKNOD; |
1228 | req->fd = delay < 0. ? 0 : delay; |
1687 | req->sv1 = newSVsv (pathname); |
1229 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1688 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1230 | |
1689 | req->mode = (mode_t)mode; |
|
|
1690 | req->offs = dev; |
|
|
1691 | |
1231 | REQ_SEND; |
1692 | REQ_SEND; |
1232 | } |
1693 | } |
1233 | |
1694 | |
1234 | void |
1695 | void |
|
|
1696 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
|
|
1697 | PPCODE: |
|
|
1698 | { |
|
|
1699 | dREQ; |
|
|
1700 | |
|
|
1701 | req->type = REQ_BUSY; |
|
|
1702 | req->nv1 = delay < 0. ? 0. : delay; |
|
|
1703 | |
|
|
1704 | REQ_SEND; |
|
|
1705 | } |
|
|
1706 | |
|
|
1707 | void |
1235 | aio_group (callback=&PL_sv_undef) |
1708 | aio_group (SV *callback=&PL_sv_undef) |
1236 | SV * callback |
|
|
1237 | PROTOTYPE: ;$ |
1709 | PROTOTYPE: ;$ |
1238 | PPCODE: |
1710 | PPCODE: |
1239 | { |
1711 | { |
1240 | dREQ; |
1712 | dREQ; |
1241 | |
1713 | |
1242 | req->type = REQ_GROUP; |
1714 | req->type = REQ_GROUP; |
|
|
1715 | |
1243 | req_send (req); |
1716 | req_send (req); |
1244 | |
|
|
1245 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1717 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1246 | } |
1718 | } |
1247 | |
1719 | |
1248 | void |
1720 | void |
1249 | aio_nop (callback=&PL_sv_undef) |
1721 | aio_nop (SV *callback=&PL_sv_undef) |
1250 | SV * callback |
|
|
1251 | PPCODE: |
1722 | PPCODE: |
1252 | { |
1723 | { |
1253 | dREQ; |
1724 | dREQ; |
1254 | |
1725 | |
1255 | req->type = REQ_NOP; |
1726 | req->type = REQ_NOP; |
1256 | |
1727 | |
1257 | REQ_SEND; |
1728 | REQ_SEND; |
1258 | } |
1729 | } |
1259 | |
1730 | |
1260 | #if 0 |
1731 | int |
1261 | |
1732 | aioreq_pri (int pri = 0) |
1262 | void |
1733 | PROTOTYPE: ;$ |
1263 | aio_pri (int pri = DEFAULT_PRI) |
|
|
1264 | CODE: |
1734 | CODE: |
|
|
1735 | RETVAL = next_pri - PRI_BIAS; |
|
|
1736 | if (items > 0) |
|
|
1737 | { |
1265 | if (pri < PRI_MIN) pri = PRI_MIN; |
1738 | if (pri < PRI_MIN) pri = PRI_MIN; |
1266 | if (pri > PRI_MAX) pri = PRI_MAX; |
1739 | if (pri > PRI_MAX) pri = PRI_MAX; |
1267 | next_pri = pri + PRI_BIAS; |
1740 | next_pri = pri + PRI_BIAS; |
|
|
1741 | } |
|
|
1742 | OUTPUT: |
|
|
1743 | RETVAL |
1268 | |
1744 | |
1269 | #endif |
1745 | void |
|
|
1746 | aioreq_nice (int nice = 0) |
|
|
1747 | CODE: |
|
|
1748 | nice = next_pri - nice; |
|
|
1749 | if (nice < PRI_MIN) nice = PRI_MIN; |
|
|
1750 | if (nice > PRI_MAX) nice = PRI_MAX; |
|
|
1751 | next_pri = nice + PRI_BIAS; |
1270 | |
1752 | |
1271 | void |
1753 | void |
1272 | flush () |
1754 | flush () |
1273 | PROTOTYPE: |
1755 | PROTOTYPE: |
1274 | CODE: |
1756 | CODE: |
… | |
… | |
1276 | { |
1758 | { |
1277 | poll_wait (); |
1759 | poll_wait (); |
1278 | poll_cb (); |
1760 | poll_cb (); |
1279 | } |
1761 | } |
1280 | |
1762 | |
1281 | void |
1763 | int |
1282 | poll() |
1764 | poll() |
1283 | PROTOTYPE: |
1765 | PROTOTYPE: |
1284 | CODE: |
1766 | CODE: |
1285 | if (nreqs) |
|
|
1286 | { |
|
|
1287 | poll_wait (); |
1767 | poll_wait (); |
1288 | poll_cb (); |
1768 | RETVAL = poll_cb (); |
1289 | } |
1769 | OUTPUT: |
|
|
1770 | RETVAL |
1290 | |
1771 | |
1291 | int |
1772 | int |
1292 | poll_fileno() |
1773 | poll_fileno() |
1293 | PROTOTYPE: |
1774 | PROTOTYPE: |
1294 | CODE: |
1775 | CODE: |
… | |
… | |
1306 | |
1787 | |
1307 | void |
1788 | void |
1308 | poll_wait() |
1789 | poll_wait() |
1309 | PROTOTYPE: |
1790 | PROTOTYPE: |
1310 | CODE: |
1791 | CODE: |
1311 | if (nreqs) |
|
|
1312 | poll_wait (); |
1792 | poll_wait (); |
|
|
1793 | |
|
|
1794 | void |
|
|
1795 | setsig (int signum = SIGIO) |
|
|
1796 | PROTOTYPE: ;$ |
|
|
1797 | CODE: |
|
|
1798 | { |
|
|
1799 | if (block_sig_level) |
|
|
1800 | croak ("cannot call IO::AIO::setsig from within aio_block/callback"); |
|
|
1801 | |
|
|
1802 | LOCK (reslock); |
|
|
1803 | main_tid = pthread_self (); |
|
|
1804 | main_sig = signum; |
|
|
1805 | UNLOCK (reslock); |
|
|
1806 | |
|
|
1807 | if (main_sig && npending) |
|
|
1808 | pthread_kill (main_tid, main_sig); |
|
|
1809 | } |
|
|
1810 | |
|
|
1811 | void |
|
|
1812 | aio_block (SV *cb) |
|
|
1813 | PROTOTYPE: & |
|
|
1814 | PPCODE: |
|
|
1815 | { |
|
|
1816 | int count; |
|
|
1817 | |
|
|
1818 | block_sig (); |
|
|
1819 | PUSHMARK (SP); |
|
|
1820 | PUTBACK; |
|
|
1821 | count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL); |
|
|
1822 | SPAGAIN; |
|
|
1823 | unblock_sig (); |
|
|
1824 | |
|
|
1825 | if (SvTRUE (ERRSV)) |
|
|
1826 | croak (0); |
|
|
1827 | |
|
|
1828 | XSRETURN (count); |
|
|
1829 | } |
1313 | |
1830 | |
1314 | int |
1831 | int |
1315 | nreqs() |
1832 | nreqs() |
1316 | PROTOTYPE: |
1833 | PROTOTYPE: |
1317 | CODE: |
1834 | CODE: |
1318 | RETVAL = nreqs; |
1835 | RETVAL = nreqs; |
1319 | OUTPUT: |
1836 | OUTPUT: |
1320 | RETVAL |
1837 | RETVAL |
1321 | |
1838 | |
|
|
1839 | int |
|
|
1840 | nready() |
|
|
1841 | PROTOTYPE: |
|
|
1842 | CODE: |
|
|
1843 | RETVAL = get_nready (); |
|
|
1844 | OUTPUT: |
|
|
1845 | RETVAL |
|
|
1846 | |
|
|
1847 | int |
|
|
1848 | npending() |
|
|
1849 | PROTOTYPE: |
|
|
1850 | CODE: |
|
|
1851 | RETVAL = get_npending (); |
|
|
1852 | OUTPUT: |
|
|
1853 | RETVAL |
|
|
1854 | |
|
|
1855 | int |
|
|
1856 | nthreads() |
|
|
1857 | PROTOTYPE: |
|
|
1858 | CODE: |
|
|
1859 | if (WORDACCESS_UNSAFE) LOCK (wrklock); |
|
|
1860 | RETVAL = started; |
|
|
1861 | if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
|
|
1862 | OUTPUT: |
|
|
1863 | RETVAL |
|
|
1864 | |
1322 | PROTOTYPES: DISABLE |
1865 | PROTOTYPES: DISABLE |
1323 | |
1866 | |
1324 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1867 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1325 | |
1868 | |
1326 | void |
1869 | void |
1327 | cancel (aio_req_ornot req) |
1870 | cancel (aio_req_ornot req) |
1328 | PROTOTYPE: |
|
|
1329 | CODE: |
1871 | CODE: |
1330 | req_cancel (req); |
1872 | req_cancel (req); |
1331 | |
1873 | |
1332 | void |
1874 | void |
1333 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1875 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
… | |
… | |
1342 | PPCODE: |
1884 | PPCODE: |
1343 | { |
1885 | { |
1344 | int i; |
1886 | int i; |
1345 | aio_req req; |
1887 | aio_req req; |
1346 | |
1888 | |
|
|
1889 | if (main_sig && !block_sig_level) |
|
|
1890 | croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use"); |
|
|
1891 | |
1347 | if (grp->fd == 2) |
1892 | if (grp->int1 == 2) |
1348 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1893 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1349 | |
1894 | |
1350 | for (i = 1; i < items; ++i ) |
1895 | for (i = 1; i < items; ++i ) |
1351 | { |
1896 | { |
1352 | if (GIMME_V != G_VOID) |
1897 | if (GIMME_V != G_VOID) |
… | |
… | |
1354 | |
1899 | |
1355 | req = SvAIO_REQ (ST (i)); |
1900 | req = SvAIO_REQ (ST (i)); |
1356 | |
1901 | |
1357 | if (req) |
1902 | if (req) |
1358 | { |
1903 | { |
1359 | ++grp->length; |
1904 | ++grp->size; |
1360 | req->grp = grp; |
1905 | req->grp = grp; |
1361 | |
1906 | |
1362 | req->grp_prev = 0; |
1907 | req->grp_prev = 0; |
1363 | req->grp_next = grp->grp_first; |
1908 | req->grp_next = grp->grp_first; |
1364 | |
1909 | |
… | |
… | |
1369 | } |
1914 | } |
1370 | } |
1915 | } |
1371 | } |
1916 | } |
1372 | |
1917 | |
1373 | void |
1918 | void |
|
|
1919 | cancel_subs (aio_req_ornot req) |
|
|
1920 | CODE: |
|
|
1921 | req_cancel_subs (req); |
|
|
1922 | |
|
|
1923 | void |
1374 | result (aio_req grp, ...) |
1924 | result (aio_req grp, ...) |
1375 | CODE: |
1925 | CODE: |
1376 | { |
1926 | { |
1377 | int i; |
1927 | int i; |
|
|
1928 | AV *av; |
|
|
1929 | |
|
|
1930 | grp->errorno = errno; |
|
|
1931 | |
1378 | AV *av = newAV (); |
1932 | av = newAV (); |
1379 | |
1933 | |
1380 | for (i = 1; i < items; ++i ) |
1934 | for (i = 1; i < items; ++i ) |
1381 | av_push (av, newSVsv (ST (i))); |
1935 | av_push (av, newSVsv (ST (i))); |
1382 | |
1936 | |
1383 | SvREFCNT_dec (grp->data); |
1937 | SvREFCNT_dec (grp->sv1); |
1384 | grp->data = (SV *)av; |
1938 | grp->sv1 = (SV *)av; |
1385 | } |
1939 | } |
1386 | |
1940 | |
1387 | void |
1941 | void |
|
|
1942 | errno (aio_req grp, int errorno = errno) |
|
|
1943 | CODE: |
|
|
1944 | grp->errorno = errorno; |
|
|
1945 | |
|
|
1946 | void |
1388 | feed_limit (aio_req grp, int limit) |
1947 | limit (aio_req grp, int limit) |
1389 | CODE: |
1948 | CODE: |
1390 | grp->fd2 = limit; |
1949 | grp->int2 = limit; |
1391 | aio_grp_feed (grp); |
1950 | aio_grp_feed (grp); |
1392 | |
1951 | |
1393 | void |
1952 | void |
1394 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1953 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1395 | CODE: |
1954 | CODE: |
1396 | { |
1955 | { |
1397 | SvREFCNT_dec (grp->fh2); |
1956 | SvREFCNT_dec (grp->sv2); |
1398 | grp->fh2 = newSVsv (callback); |
1957 | grp->sv2 = newSVsv (callback); |
1399 | |
1958 | |
1400 | if (grp->fd2 <= 0) |
1959 | if (grp->int2 <= 0) |
1401 | grp->fd2 = 2; |
1960 | grp->int2 = 2; |
1402 | |
1961 | |
1403 | aio_grp_feed (grp); |
1962 | aio_grp_feed (grp); |
1404 | } |
1963 | } |
1405 | |
1964 | |