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1 | /* solaris */ |
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2 | #define _POSIX_PTHREAD_SEMANTICS 1 |
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3 | |
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4 | #if __linux |
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5 | # define _GNU_SOURCE |
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6 | #endif |
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7 | |
1 | #define _REENTRANT 1 |
8 | #define _REENTRANT 1 |
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9 | |
2 | #include <errno.h> |
10 | #include <errno.h> |
3 | |
11 | |
4 | #include "EXTERN.h" |
12 | #include "EXTERN.h" |
5 | #include "perl.h" |
13 | #include "perl.h" |
6 | #include "XSUB.h" |
14 | #include "XSUB.h" |
… | |
… | |
39 | /* used for struct dirent, AIX doesn't provide it */ |
47 | /* used for struct dirent, AIX doesn't provide it */ |
40 | #ifndef NAME_MAX |
48 | #ifndef NAME_MAX |
41 | # define NAME_MAX 4096 |
49 | # define NAME_MAX 4096 |
42 | #endif |
50 | #endif |
43 | |
51 | |
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52 | #ifndef PTHREAD_STACK_MIN |
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53 | /* care for broken platforms, e.g. windows */ |
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54 | # define PTHREAD_STACK_MIN 16384 |
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55 | #endif |
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56 | |
44 | #if __ia64 |
57 | #if __ia64 |
45 | # define STACKSIZE 65536 |
58 | # define STACKSIZE 65536 |
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59 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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60 | # define STACKSIZE PTHREAD_STACK_MIN |
46 | #else |
61 | #else |
47 | # define STACKSIZE 8192 |
62 | # define STACKSIZE 16384 |
48 | #endif |
63 | #endif |
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64 | |
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65 | /* buffer size for various temporary buffers */ |
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66 | #define AIO_BUFSIZE 65536 |
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67 | |
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68 | #define dBUF \ |
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69 | char *aio_buf; \ |
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70 | LOCK (wrklock); \ |
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71 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
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72 | UNLOCK (wrklock); \ |
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73 | if (!aio_buf) \ |
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74 | return -1; |
49 | |
75 | |
50 | enum { |
76 | enum { |
51 | REQ_QUIT, |
77 | REQ_QUIT, |
52 | REQ_OPEN, REQ_CLOSE, |
78 | REQ_OPEN, REQ_CLOSE, |
53 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
79 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
… | |
… | |
56 | REQ_FSYNC, REQ_FDATASYNC, |
82 | REQ_FSYNC, REQ_FDATASYNC, |
57 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
83 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
58 | REQ_READDIR, |
84 | REQ_READDIR, |
59 | REQ_LINK, REQ_SYMLINK, |
85 | REQ_LINK, REQ_SYMLINK, |
60 | REQ_GROUP, REQ_NOP, |
86 | REQ_GROUP, REQ_NOP, |
61 | REQ_SLEEP, |
87 | REQ_BUSY, |
62 | }; |
88 | }; |
63 | |
89 | |
64 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
90 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
65 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
91 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
66 | |
92 | |
67 | typedef struct aio_cb |
93 | typedef struct aio_cb |
68 | { |
94 | { |
69 | struct aio_cb *volatile next; |
95 | struct aio_cb *volatile next; |
70 | |
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71 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
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72 | |
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73 | SV *self; /* the perl counterpart of this request, if any */ |
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74 | |
96 | |
75 | SV *data, *callback; |
97 | SV *data, *callback; |
76 | SV *fh, *fh2; |
98 | SV *fh, *fh2; |
77 | void *dataptr, *data2ptr; |
99 | void *dataptr, *data2ptr; |
78 | Stat_t *statdata; |
100 | Stat_t *statdata; |
79 | off_t offset; |
101 | off_t offset; |
80 | size_t length; |
102 | size_t length; |
81 | ssize_t result; |
103 | ssize_t result; |
82 | |
104 | |
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105 | STRLEN dataoffset; |
83 | int type; |
106 | int type; |
84 | int fd, fd2; |
107 | int fd, fd2; |
85 | int errorno; |
108 | int errorno; |
86 | STRLEN dataoffset; |
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87 | mode_t mode; /* open */ |
109 | mode_t mode; /* open */ |
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110 | |
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111 | unsigned char flags; |
88 | unsigned char pri; |
112 | unsigned char pri; |
89 | unsigned char flags; |
113 | |
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114 | SV *self; /* the perl counterpart of this request, if any */ |
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115 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
90 | } aio_cb; |
116 | } aio_cb; |
91 | |
117 | |
92 | enum { |
118 | enum { |
93 | FLAG_CANCELLED = 0x01, |
119 | FLAG_CANCELLED = 0x01, |
94 | }; |
120 | }; |
95 | |
121 | |
96 | typedef aio_cb *aio_req; |
122 | typedef aio_cb *aio_req; |
97 | typedef aio_cb *aio_req_ornot; |
123 | typedef aio_cb *aio_req_ornot; |
98 | |
124 | |
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125 | enum { |
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126 | PRI_MIN = -4, |
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127 | PRI_MAX = 4, |
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128 | |
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129 | DEFAULT_PRI = 0, |
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130 | PRI_BIAS = -PRI_MIN, |
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131 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
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132 | }; |
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133 | |
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134 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
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135 | |
99 | static int started, wanted; |
136 | static int started, wanted; |
100 | static volatile int nreqs; |
137 | static volatile int nreqs; |
101 | static int max_outstanding = 1<<30; |
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102 | static int respipe [2]; |
138 | static int respipe [2]; |
103 | |
139 | |
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140 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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141 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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142 | #else |
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143 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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144 | #endif |
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145 | |
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146 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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147 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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148 | |
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149 | /* worker threasd management */ |
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150 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
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151 | |
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152 | typedef struct worker { |
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153 | /* locked by wrklock */ |
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154 | struct worker *prev, *next; |
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155 | |
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156 | pthread_t tid; |
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157 | |
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158 | /* locked by reslock, reqlock or wrklock */ |
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159 | aio_req req; /* currently processed request */ |
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160 | void *dbuf; |
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161 | DIR *dirp; |
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162 | } worker; |
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163 | |
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164 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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165 | |
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166 | static void worker_clear (worker *wrk) |
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167 | { |
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168 | if (wrk->dirp) |
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169 | { |
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170 | closedir (wrk->dirp); |
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171 | wrk->dirp = 0; |
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172 | } |
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173 | |
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174 | if (wrk->dbuf) |
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175 | { |
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176 | free (wrk->dbuf); |
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177 | wrk->dbuf = 0; |
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178 | } |
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179 | } |
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180 | |
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181 | static void worker_free (worker *wrk) |
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182 | { |
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183 | wrk->next->prev = wrk->prev; |
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184 | wrk->prev->next = wrk->next; |
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185 | |
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186 | free (wrk); |
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187 | } |
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188 | |
104 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
189 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
105 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
190 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
106 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
191 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
107 | |
192 | |
108 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
193 | /* |
109 | static volatile aio_req ress, rese; /* queue start, queue end */ |
194 | * a somewhat faster data structure might be nice, but |
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195 | * with 8 priorities this actually needs <20 insns |
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196 | * per shift, the most expensive operation. |
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197 | */ |
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198 | typedef struct { |
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199 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
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200 | int size; |
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201 | } reqq; |
110 | |
202 | |
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203 | static reqq req_queue; |
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204 | static reqq res_queue; |
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205 | |
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206 | int reqq_push (reqq *q, aio_req req) |
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207 | { |
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208 | int pri = req->pri; |
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209 | req->next = 0; |
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210 | |
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211 | if (q->qe[pri]) |
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212 | { |
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213 | q->qe[pri]->next = req; |
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214 | q->qe[pri] = req; |
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215 | } |
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216 | else |
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217 | q->qe[pri] = q->qs[pri] = req; |
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218 | |
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219 | return q->size++; |
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220 | } |
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221 | |
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222 | aio_req reqq_shift (reqq *q) |
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223 | { |
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224 | int pri; |
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225 | |
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226 | if (!q->size) |
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227 | return 0; |
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228 | |
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229 | --q->size; |
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230 | |
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231 | for (pri = NUM_PRI; pri--; ) |
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232 | { |
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233 | aio_req req = q->qs[pri]; |
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234 | |
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235 | if (req) |
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236 | { |
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237 | if (!(q->qs[pri] = req->next)) |
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238 | q->qe[pri] = 0; |
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239 | |
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240 | return req; |
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241 | } |
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242 | } |
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243 | |
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244 | abort (); |
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245 | } |
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246 | |
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247 | static int poll_cb (); |
111 | static void req_invoke (aio_req req); |
248 | static void req_invoke (aio_req req); |
112 | static void req_free (aio_req req); |
249 | static void req_free (aio_req req); |
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250 | static void req_cancel (aio_req req); |
113 | |
251 | |
114 | /* must be called at most once */ |
252 | /* must be called at most once */ |
115 | static SV *req_sv (aio_req req, const char *klass) |
253 | static SV *req_sv (aio_req req, const char *klass) |
116 | { |
254 | { |
117 | if (!req->self) |
255 | if (!req->self) |
… | |
… | |
148 | ENTER; |
286 | ENTER; |
149 | SAVETMPS; |
287 | SAVETMPS; |
150 | PUSHMARK (SP); |
288 | PUSHMARK (SP); |
151 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
289 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
152 | PUTBACK; |
290 | PUTBACK; |
153 | call_sv (grp->fh2, G_VOID | G_EVAL); |
291 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
154 | SPAGAIN; |
292 | SPAGAIN; |
155 | FREETMPS; |
293 | FREETMPS; |
156 | LEAVE; |
294 | LEAVE; |
157 | } |
295 | } |
158 | |
296 | |
… | |
… | |
181 | } |
319 | } |
182 | } |
320 | } |
183 | |
321 | |
184 | static void poll_wait () |
322 | static void poll_wait () |
185 | { |
323 | { |
186 | if (nreqs && !ress) |
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187 | { |
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188 | fd_set rfd; |
324 | fd_set rfd; |
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325 | |
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326 | while (nreqs) |
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327 | { |
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328 | int size; |
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329 | #if !(__i386 || __x86_64) /* safe without sempahore on these archs */ |
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330 | LOCK (reslock); |
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331 | #endif |
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332 | size = res_queue.size; |
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333 | #if !(__i386 || __x86_64) /* safe without sempahore on these archs */ |
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334 | UNLOCK (reslock); |
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335 | #endif |
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336 | |
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337 | if (size) |
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338 | return; |
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339 | |
189 | FD_ZERO(&rfd); |
340 | FD_ZERO(&rfd); |
190 | FD_SET(respipe [0], &rfd); |
341 | FD_SET(respipe [0], &rfd); |
191 | |
342 | |
192 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
343 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
193 | } |
344 | } |
194 | } |
345 | } |
195 | |
346 | |
196 | static void req_invoke (aio_req req) |
347 | static void req_invoke (aio_req req) |
197 | { |
348 | { |
198 | dSP; |
349 | dSP; |
199 | int errorno = errno; |
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200 | |
350 | |
201 | if (req->flags & FLAG_CANCELLED || !SvOK (req->callback)) |
351 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
202 | return; |
352 | { |
203 | |
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204 | errno = req->errorno; |
353 | errno = req->errorno; |
205 | |
354 | |
206 | ENTER; |
355 | ENTER; |
207 | SAVETMPS; |
356 | SAVETMPS; |
208 | PUSHMARK (SP); |
357 | PUSHMARK (SP); |
209 | EXTEND (SP, 1); |
358 | EXTEND (SP, 1); |
210 | |
359 | |
211 | switch (req->type) |
360 | switch (req->type) |
212 | { |
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213 | case REQ_READDIR: |
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214 | { |
361 | { |
215 | SV *rv = &PL_sv_undef; |
362 | case REQ_READDIR: |
216 | |
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217 | if (req->result >= 0) |
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218 | { |
363 | { |
219 | char *buf = req->data2ptr; |
364 | SV *rv = &PL_sv_undef; |
220 | AV *av = newAV (); |
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221 | |
365 | |
222 | while (req->result) |
366 | if (req->result >= 0) |
223 | { |
367 | { |
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368 | int i; |
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369 | char *buf = req->data2ptr; |
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370 | AV *av = newAV (); |
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371 | |
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372 | av_extend (av, req->result - 1); |
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373 | |
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374 | for (i = 0; i < req->result; ++i) |
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375 | { |
224 | SV *sv = newSVpv (buf, 0); |
376 | SV *sv = newSVpv (buf, 0); |
225 | |
377 | |
226 | av_push (av, sv); |
378 | av_store (av, i, sv); |
227 | buf += SvCUR (sv) + 1; |
379 | buf += SvCUR (sv) + 1; |
228 | req->result--; |
380 | } |
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381 | |
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382 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
229 | } |
383 | } |
230 | |
384 | |
231 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
385 | PUSHs (rv); |
232 | } |
386 | } |
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387 | break; |
233 | |
388 | |
234 | PUSHs (rv); |
389 | case REQ_OPEN: |
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390 | { |
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391 | /* convert fd to fh */ |
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392 | SV *fh; |
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393 | |
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394 | PUSHs (sv_2mortal (newSViv (req->result))); |
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395 | PUTBACK; |
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396 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
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397 | SPAGAIN; |
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398 | |
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399 | fh = SvREFCNT_inc (POPs); |
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400 | |
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401 | PUSHMARK (SP); |
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402 | XPUSHs (sv_2mortal (fh)); |
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403 | } |
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404 | break; |
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405 | |
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406 | case REQ_GROUP: |
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407 | req->fd = 2; /* mark group as finished */ |
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408 | |
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409 | if (req->data) |
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410 | { |
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411 | int i; |
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412 | AV *av = (AV *)req->data; |
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413 | |
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414 | EXTEND (SP, AvFILL (av) + 1); |
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415 | for (i = 0; i <= AvFILL (av); ++i) |
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416 | PUSHs (*av_fetch (av, i, 0)); |
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417 | } |
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418 | break; |
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419 | |
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420 | case REQ_NOP: |
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421 | case REQ_BUSY: |
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422 | break; |
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423 | |
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424 | default: |
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425 | PUSHs (sv_2mortal (newSViv (req->result))); |
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426 | break; |
235 | } |
427 | } |
236 | break; |
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237 | |
428 | |
238 | case REQ_OPEN: |
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239 | { |
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240 | /* convert fd to fh */ |
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241 | SV *fh; |
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242 | |
429 | |
243 | PUSHs (sv_2mortal (newSViv (req->result))); |
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244 | PUTBACK; |
430 | PUTBACK; |
245 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
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246 | SPAGAIN; |
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247 | |
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248 | fh = SvREFCNT_inc (POPs); |
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249 | |
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250 | PUSHMARK (SP); |
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251 | XPUSHs (sv_2mortal (fh)); |
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252 | } |
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253 | break; |
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254 | |
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255 | case REQ_GROUP: |
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256 | req->fd = 2; /* mark group as finished */ |
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257 | |
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258 | if (req->data) |
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259 | { |
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260 | int i; |
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261 | AV *av = (AV *)req->data; |
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262 | |
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263 | EXTEND (SP, AvFILL (av) + 1); |
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264 | for (i = 0; i <= AvFILL (av); ++i) |
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265 | PUSHs (*av_fetch (av, i, 0)); |
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266 | } |
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267 | break; |
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268 | |
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269 | case REQ_NOP: |
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270 | case REQ_SLEEP: |
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271 | break; |
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272 | |
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273 | default: |
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274 | PUSHs (sv_2mortal (newSViv (req->result))); |
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275 | break; |
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276 | } |
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277 | |
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278 | |
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279 | PUTBACK; |
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280 | call_sv (req->callback, G_VOID | G_EVAL); |
431 | call_sv (req->callback, G_VOID | G_EVAL); |
281 | SPAGAIN; |
432 | SPAGAIN; |
282 | |
433 | |
283 | FREETMPS; |
434 | FREETMPS; |
284 | LEAVE; |
435 | LEAVE; |
285 | |
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286 | errno = errorno; |
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287 | |
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288 | if (SvTRUE (ERRSV)) |
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289 | { |
436 | } |
290 | req_free (req); |
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291 | croak (0); |
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292 | } |
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293 | } |
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294 | |
437 | |
295 | static void req_free (aio_req req) |
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296 | { |
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297 | if (req->grp) |
438 | if (req->grp) |
298 | { |
439 | { |
299 | aio_req grp = req->grp; |
440 | aio_req grp = req->grp; |
300 | |
441 | |
301 | /* unlink request */ |
442 | /* unlink request */ |
… | |
… | |
306 | grp->grp_first = req->grp_next; |
447 | grp->grp_first = req->grp_next; |
307 | |
448 | |
308 | aio_grp_dec (grp); |
449 | aio_grp_dec (grp); |
309 | } |
450 | } |
310 | |
451 | |
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452 | if (SvTRUE (ERRSV)) |
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453 | { |
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454 | req_free (req); |
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455 | croak (0); |
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456 | } |
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457 | } |
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458 | |
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459 | static void req_free (aio_req req) |
|
|
460 | { |
311 | if (req->self) |
461 | if (req->self) |
312 | { |
462 | { |
313 | sv_unmagic (req->self, PERL_MAGIC_ext); |
463 | sv_unmagic (req->self, PERL_MAGIC_ext); |
314 | SvREFCNT_dec (req->self); |
464 | SvREFCNT_dec (req->self); |
315 | } |
465 | } |
… | |
… | |
318 | SvREFCNT_dec (req->fh); |
468 | SvREFCNT_dec (req->fh); |
319 | SvREFCNT_dec (req->fh2); |
469 | SvREFCNT_dec (req->fh2); |
320 | SvREFCNT_dec (req->callback); |
470 | SvREFCNT_dec (req->callback); |
321 | Safefree (req->statdata); |
471 | Safefree (req->statdata); |
322 | |
472 | |
323 | if (req->type == REQ_READDIR && req->result >= 0) |
473 | if (req->type == REQ_READDIR) |
324 | free (req->data2ptr); |
474 | free (req->data2ptr); |
325 | |
475 | |
326 | Safefree (req); |
476 | Safefree (req); |
327 | } |
477 | } |
328 | |
478 | |
|
|
479 | static void req_cancel_subs (aio_req grp) |
|
|
480 | { |
|
|
481 | aio_req sub; |
|
|
482 | |
|
|
483 | if (grp->type != REQ_GROUP) |
|
|
484 | return; |
|
|
485 | |
|
|
486 | SvREFCNT_dec (grp->fh2); |
|
|
487 | grp->fh2 = 0; |
|
|
488 | |
|
|
489 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
|
|
490 | req_cancel (sub); |
|
|
491 | } |
|
|
492 | |
329 | static void req_cancel (aio_req req) |
493 | static void req_cancel (aio_req req) |
330 | { |
494 | { |
331 | req->flags |= FLAG_CANCELLED; |
495 | req->flags |= FLAG_CANCELLED; |
332 | |
496 | |
333 | if (req->type == REQ_GROUP) |
497 | req_cancel_subs (req); |
334 | { |
|
|
335 | aio_req sub; |
|
|
336 | |
|
|
337 | for (sub = req->grp_first; sub; sub = sub->grp_next) |
|
|
338 | req_cancel (sub); |
|
|
339 | } |
|
|
340 | } |
498 | } |
341 | |
499 | |
342 | static int poll_cb () |
500 | static int poll_cb () |
343 | { |
501 | { |
344 | dSP; |
502 | dSP; |
… | |
… | |
346 | int do_croak = 0; |
504 | int do_croak = 0; |
347 | aio_req req; |
505 | aio_req req; |
348 | |
506 | |
349 | for (;;) |
507 | for (;;) |
350 | { |
508 | { |
351 | pthread_mutex_lock (&reslock); |
509 | LOCK (reslock); |
352 | req = ress; |
510 | req = reqq_shift (&res_queue); |
353 | |
511 | |
354 | if (req) |
512 | if (req) |
355 | { |
513 | { |
356 | ress = req->next; |
|
|
357 | |
|
|
358 | if (!ress) |
514 | if (!res_queue.size) |
359 | { |
515 | { |
360 | /* read any signals sent by the worker threads */ |
516 | /* read any signals sent by the worker threads */ |
361 | char buf [32]; |
517 | char buf [32]; |
362 | while (read (respipe [0], buf, 32) == 32) |
518 | while (read (respipe [0], buf, 32) == 32) |
363 | ; |
519 | ; |
364 | |
|
|
365 | rese = 0; |
|
|
366 | } |
520 | } |
367 | } |
521 | } |
368 | |
522 | |
369 | pthread_mutex_unlock (&reslock); |
523 | UNLOCK (reslock); |
370 | |
524 | |
371 | if (!req) |
525 | if (!req) |
372 | break; |
526 | break; |
373 | |
527 | |
374 | --nreqs; |
528 | --nreqs; |
… | |
… | |
409 | static void *aio_proc(void *arg); |
563 | static void *aio_proc(void *arg); |
410 | |
564 | |
411 | static void start_thread (void) |
565 | static void start_thread (void) |
412 | { |
566 | { |
413 | sigset_t fullsigset, oldsigset; |
567 | sigset_t fullsigset, oldsigset; |
414 | pthread_t tid; |
|
|
415 | pthread_attr_t attr; |
568 | pthread_attr_t attr; |
|
|
569 | |
|
|
570 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
571 | |
|
|
572 | if (!wrk) |
|
|
573 | croak ("unable to allocate worker thread data"); |
416 | |
574 | |
417 | pthread_attr_init (&attr); |
575 | pthread_attr_init (&attr); |
418 | pthread_attr_setstacksize (&attr, STACKSIZE); |
576 | pthread_attr_setstacksize (&attr, STACKSIZE); |
419 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
577 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
420 | |
578 | |
421 | sigfillset (&fullsigset); |
579 | sigfillset (&fullsigset); |
|
|
580 | |
|
|
581 | LOCK (wrklock); |
422 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
582 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
423 | |
583 | |
424 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
584 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
|
|
585 | { |
|
|
586 | wrk->prev = &wrk_first; |
|
|
587 | wrk->next = wrk_first.next; |
|
|
588 | wrk_first.next->prev = wrk; |
|
|
589 | wrk_first.next = wrk; |
425 | started++; |
590 | started++; |
|
|
591 | } |
|
|
592 | else |
|
|
593 | free (wrk); |
426 | |
594 | |
427 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
595 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
596 | UNLOCK (wrklock); |
428 | } |
597 | } |
429 | |
598 | |
430 | static void req_send (aio_req req) |
599 | static void req_send (aio_req req) |
431 | { |
600 | { |
432 | while (started < wanted && nreqs >= started) |
601 | while (started < wanted && nreqs >= started) |
433 | start_thread (); |
602 | start_thread (); |
434 | |
603 | |
435 | ++nreqs; |
604 | ++nreqs; |
436 | |
605 | |
437 | pthread_mutex_lock (&reqlock); |
606 | LOCK (reqlock); |
438 | |
607 | reqq_push (&req_queue, req); |
439 | req->next = 0; |
|
|
440 | |
|
|
441 | if (reqe) |
|
|
442 | { |
|
|
443 | reqe->next = req; |
|
|
444 | reqe = req; |
|
|
445 | } |
|
|
446 | else |
|
|
447 | reqe = reqs = req; |
|
|
448 | |
|
|
449 | pthread_cond_signal (&reqwait); |
608 | pthread_cond_signal (&reqwait); |
450 | pthread_mutex_unlock (&reqlock); |
609 | UNLOCK (reqlock); |
451 | |
|
|
452 | if (nreqs > max_outstanding) |
|
|
453 | for (;;) |
|
|
454 | { |
|
|
455 | poll_cb (); |
|
|
456 | |
|
|
457 | if (nreqs <= max_outstanding) |
|
|
458 | break; |
|
|
459 | |
|
|
460 | poll_wait (); |
|
|
461 | } |
|
|
462 | } |
610 | } |
463 | |
611 | |
464 | static void end_thread (void) |
612 | static void end_thread (void) |
465 | { |
613 | { |
466 | aio_req req; |
614 | aio_req req; |
|
|
615 | |
467 | Newz (0, req, 1, aio_cb); |
616 | Newz (0, req, 1, aio_cb); |
|
|
617 | |
468 | req->type = REQ_QUIT; |
618 | req->type = REQ_QUIT; |
|
|
619 | req->pri = PRI_MAX + PRI_BIAS; |
469 | |
620 | |
470 | req_send (req); |
621 | req_send (req); |
471 | } |
622 | } |
472 | |
623 | |
473 | static void min_parallel (int nthreads) |
624 | static void min_parallel (int nthreads) |
… | |
… | |
525 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
676 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
526 | { |
677 | { |
527 | ssize_t res; |
678 | ssize_t res; |
528 | off_t ooffset; |
679 | off_t ooffset; |
529 | |
680 | |
530 | pthread_mutex_lock (&preadwritelock); |
681 | LOCK (preadwritelock); |
531 | ooffset = lseek (fd, 0, SEEK_CUR); |
682 | ooffset = lseek (fd, 0, SEEK_CUR); |
532 | lseek (fd, offset, SEEK_SET); |
683 | lseek (fd, offset, SEEK_SET); |
533 | res = read (fd, buf, count); |
684 | res = read (fd, buf, count); |
534 | lseek (fd, ooffset, SEEK_SET); |
685 | lseek (fd, ooffset, SEEK_SET); |
535 | pthread_mutex_unlock (&preadwritelock); |
686 | UNLOCK (preadwritelock); |
536 | |
687 | |
537 | return res; |
688 | return res; |
538 | } |
689 | } |
539 | |
690 | |
540 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
691 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
541 | { |
692 | { |
542 | ssize_t res; |
693 | ssize_t res; |
543 | off_t ooffset; |
694 | off_t ooffset; |
544 | |
695 | |
545 | pthread_mutex_lock (&preadwritelock); |
696 | LOCK (preadwritelock); |
546 | ooffset = lseek (fd, 0, SEEK_CUR); |
697 | ooffset = lseek (fd, 0, SEEK_CUR); |
547 | lseek (fd, offset, SEEK_SET); |
698 | lseek (fd, offset, SEEK_SET); |
548 | res = write (fd, buf, count); |
699 | res = write (fd, buf, count); |
549 | lseek (fd, offset, SEEK_SET); |
700 | lseek (fd, offset, SEEK_SET); |
550 | pthread_mutex_unlock (&preadwritelock); |
701 | UNLOCK (preadwritelock); |
551 | |
702 | |
552 | return res; |
703 | return res; |
553 | } |
704 | } |
554 | #endif |
705 | #endif |
555 | |
706 | |
556 | #if !HAVE_FDATASYNC |
707 | #if !HAVE_FDATASYNC |
557 | # define fdatasync fsync |
708 | # define fdatasync fsync |
558 | #endif |
709 | #endif |
559 | |
710 | |
560 | #if !HAVE_READAHEAD |
711 | #if !HAVE_READAHEAD |
561 | # define readahead aio_readahead |
712 | # define readahead(fd,offset,count) aio_readahead (fd, offset, count, self) |
562 | |
713 | |
563 | static ssize_t readahead (int fd, off_t offset, size_t count) |
714 | static ssize_t aio_readahead (int fd, off_t offset, size_t count, worker *self) |
564 | { |
715 | { |
565 | char readahead_buf[4096]; |
716 | dBUF; |
566 | |
717 | |
567 | while (count > 0) |
718 | while (count > 0) |
568 | { |
719 | { |
569 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
720 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
570 | |
721 | |
571 | pread (fd, readahead_buf, len, offset); |
722 | pread (fd, aio_buf, len, offset); |
572 | offset += len; |
723 | offset += len; |
573 | count -= len; |
724 | count -= len; |
574 | } |
725 | } |
575 | |
726 | |
576 | errno = 0; |
727 | errno = 0; |
577 | } |
728 | } |
|
|
729 | |
578 | #endif |
730 | #endif |
579 | |
731 | |
580 | #if !HAVE_READDIR_R |
732 | #if !HAVE_READDIR_R |
581 | # define readdir_r aio_readdir_r |
733 | # define readdir_r aio_readdir_r |
582 | |
734 | |
… | |
… | |
585 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
737 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
586 | { |
738 | { |
587 | struct dirent *e; |
739 | struct dirent *e; |
588 | int errorno; |
740 | int errorno; |
589 | |
741 | |
590 | pthread_mutex_lock (&readdirlock); |
742 | LOCK (readdirlock); |
591 | |
743 | |
592 | e = readdir (dirp); |
744 | e = readdir (dirp); |
593 | errorno = errno; |
745 | errorno = errno; |
594 | |
746 | |
595 | if (e) |
747 | if (e) |
… | |
… | |
598 | strcpy (ent->d_name, e->d_name); |
750 | strcpy (ent->d_name, e->d_name); |
599 | } |
751 | } |
600 | else |
752 | else |
601 | *res = 0; |
753 | *res = 0; |
602 | |
754 | |
603 | pthread_mutex_unlock (&readdirlock); |
755 | UNLOCK (readdirlock); |
604 | |
756 | |
605 | errno = errorno; |
757 | errno = errorno; |
606 | return e ? 0 : -1; |
758 | return e ? 0 : -1; |
607 | } |
759 | } |
608 | #endif |
760 | #endif |
609 | |
761 | |
610 | /* sendfile always needs emulation */ |
762 | /* sendfile always needs emulation */ |
611 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
763 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
612 | { |
764 | { |
613 | ssize_t res; |
765 | ssize_t res; |
614 | |
766 | |
615 | if (!count) |
767 | if (!count) |
616 | return 0; |
768 | return 0; |
… | |
… | |
665 | #endif |
817 | #endif |
666 | ) |
818 | ) |
667 | ) |
819 | ) |
668 | { |
820 | { |
669 | /* emulate sendfile. this is a major pain in the ass */ |
821 | /* emulate sendfile. this is a major pain in the ass */ |
670 | char buf[4096]; |
822 | dBUF; |
|
|
823 | |
671 | res = 0; |
824 | res = 0; |
672 | |
825 | |
673 | while (count) |
826 | while (count) |
674 | { |
827 | { |
675 | ssize_t cnt; |
828 | ssize_t cnt; |
676 | |
829 | |
677 | cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset); |
830 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
678 | |
831 | |
679 | if (cnt <= 0) |
832 | if (cnt <= 0) |
680 | { |
833 | { |
681 | if (cnt && !res) res = -1; |
834 | if (cnt && !res) res = -1; |
682 | break; |
835 | break; |
683 | } |
836 | } |
684 | |
837 | |
685 | cnt = write (ofd, buf, cnt); |
838 | cnt = write (ofd, aio_buf, cnt); |
686 | |
839 | |
687 | if (cnt <= 0) |
840 | if (cnt <= 0) |
688 | { |
841 | { |
689 | if (cnt && !res) res = -1; |
842 | if (cnt && !res) res = -1; |
690 | break; |
843 | break; |
… | |
… | |
698 | |
851 | |
699 | return res; |
852 | return res; |
700 | } |
853 | } |
701 | |
854 | |
702 | /* read a full directory */ |
855 | /* read a full directory */ |
703 | static int scandir_ (const char *path, void **namesp) |
856 | static void scandir_ (aio_req req, worker *self) |
704 | { |
857 | { |
705 | DIR *dirp = opendir (path); |
858 | DIR *dirp; |
706 | union |
859 | union |
707 | { |
860 | { |
708 | struct dirent d; |
861 | struct dirent d; |
709 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
862 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
710 | } u; |
863 | } *u; |
711 | struct dirent *entp; |
864 | struct dirent *entp; |
712 | char *name, *names; |
865 | char *name, *names; |
713 | int memlen = 4096; |
866 | int memlen = 4096; |
714 | int memofs = 0; |
867 | int memofs = 0; |
715 | int res = 0; |
868 | int res = 0; |
716 | int errorno; |
869 | int errorno; |
717 | |
870 | |
718 | if (!dirp) |
871 | LOCK (wrklock); |
719 | return -1; |
872 | self->dirp = dirp = opendir (req->dataptr); |
|
|
873 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
874 | UNLOCK (wrklock); |
720 | |
875 | |
721 | names = malloc (memlen); |
876 | req->data2ptr = names = malloc (memlen); |
722 | |
877 | |
|
|
878 | if (dirp && u && names) |
723 | for (;;) |
879 | for (;;) |
724 | { |
880 | { |
|
|
881 | errno = 0; |
725 | errno = 0, readdir_r (dirp, &u.d, &entp); |
882 | readdir_r (dirp, &u->d, &entp); |
726 | |
883 | |
727 | if (!entp) |
884 | if (!entp) |
728 | break; |
885 | break; |
729 | |
886 | |
730 | name = entp->d_name; |
887 | name = entp->d_name; |
731 | |
888 | |
732 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
889 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
733 | { |
890 | { |
734 | int len = strlen (name) + 1; |
891 | int len = strlen (name) + 1; |
735 | |
892 | |
736 | res++; |
893 | res++; |
737 | |
894 | |
738 | while (memofs + len > memlen) |
895 | while (memofs + len > memlen) |
739 | { |
896 | { |
740 | memlen *= 2; |
897 | memlen *= 2; |
|
|
898 | LOCK (wrklock); |
741 | names = realloc (names, memlen); |
899 | req->data2ptr = names = realloc (names, memlen); |
|
|
900 | UNLOCK (wrklock); |
|
|
901 | |
742 | if (!names) |
902 | if (!names) |
743 | break; |
903 | break; |
744 | } |
904 | } |
745 | |
905 | |
746 | memcpy (names + memofs, name, len); |
906 | memcpy (names + memofs, name, len); |
747 | memofs += len; |
907 | memofs += len; |
748 | } |
908 | } |
749 | } |
909 | } |
750 | |
910 | |
751 | errorno = errno; |
|
|
752 | closedir (dirp); |
|
|
753 | |
|
|
754 | if (errorno) |
911 | if (errno) |
755 | { |
|
|
756 | free (names); |
|
|
757 | errno = errorno; |
|
|
758 | res = -1; |
912 | res = -1; |
759 | } |
913 | |
760 | |
914 | req->result = res; |
761 | *namesp = (void *)names; |
|
|
762 | return res; |
|
|
763 | } |
915 | } |
764 | |
916 | |
765 | /*****************************************************************************/ |
917 | /*****************************************************************************/ |
766 | |
918 | |
767 | static void *aio_proc (void *thr_arg) |
919 | static void *aio_proc (void *thr_arg) |
768 | { |
920 | { |
769 | aio_req req; |
921 | aio_req req; |
770 | int type; |
922 | int type; |
|
|
923 | worker *self = (worker *)thr_arg; |
771 | |
924 | |
772 | do |
925 | do |
773 | { |
926 | { |
774 | pthread_mutex_lock (&reqlock); |
927 | LOCK (reqlock); |
775 | |
928 | |
776 | for (;;) |
929 | for (;;) |
777 | { |
930 | { |
778 | req = reqs; |
931 | self->req = req = reqq_shift (&req_queue); |
779 | |
|
|
780 | if (reqs) |
|
|
781 | { |
|
|
782 | reqs = reqs->next; |
|
|
783 | if (!reqs) reqe = 0; |
|
|
784 | } |
|
|
785 | |
932 | |
786 | if (req) |
933 | if (req) |
787 | break; |
934 | break; |
788 | |
935 | |
789 | pthread_cond_wait (&reqwait, &reqlock); |
936 | pthread_cond_wait (&reqwait, &reqlock); |
790 | } |
937 | } |
791 | |
938 | |
792 | pthread_mutex_unlock (&reqlock); |
939 | UNLOCK (reqlock); |
793 | |
940 | |
794 | errno = 0; /* strictly unnecessary */ |
941 | errno = 0; /* strictly unnecessary */ |
|
|
942 | type = req->type; /* remember type for QUIT check */ |
795 | |
943 | |
796 | if (!(req->flags & FLAG_CANCELLED)) |
944 | if (!(req->flags & FLAG_CANCELLED)) |
797 | switch (type = req->type) /* remember type for QUIT check */ |
945 | switch (type) |
798 | { |
946 | { |
799 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
947 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
800 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
948 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
801 | |
949 | |
802 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
950 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
803 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
951 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
804 | |
952 | |
805 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
953 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
806 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
954 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
807 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
955 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
808 | |
956 | |
… | |
… | |
814 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
962 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
815 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
963 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
816 | |
964 | |
817 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
965 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
818 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
966 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
819 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
967 | case REQ_READDIR: scandir_ (req, self); break; |
820 | |
968 | |
821 | case REQ_SLEEP: |
969 | case REQ_BUSY: |
822 | { |
970 | { |
823 | struct timeval tv; |
971 | struct timeval tv; |
824 | |
972 | |
825 | tv.tv_sec = req->fd; |
973 | tv.tv_sec = req->fd; |
826 | tv.tv_usec = req->fd2; |
974 | tv.tv_usec = req->fd2; |
… | |
… | |
838 | break; |
986 | break; |
839 | } |
987 | } |
840 | |
988 | |
841 | req->errorno = errno; |
989 | req->errorno = errno; |
842 | |
990 | |
843 | pthread_mutex_lock (&reslock); |
991 | LOCK (reslock); |
844 | |
992 | |
845 | req->next = 0; |
993 | if (!reqq_push (&res_queue, req)) |
846 | |
|
|
847 | if (rese) |
|
|
848 | { |
|
|
849 | rese->next = req; |
|
|
850 | rese = req; |
|
|
851 | } |
|
|
852 | else |
|
|
853 | { |
|
|
854 | rese = ress = req; |
|
|
855 | |
|
|
856 | /* write a dummy byte to the pipe so fh becomes ready */ |
994 | /* write a dummy byte to the pipe so fh becomes ready */ |
857 | write (respipe [1], &respipe, 1); |
995 | write (respipe [1], &respipe, 1); |
858 | } |
|
|
859 | |
996 | |
860 | pthread_mutex_unlock (&reslock); |
997 | self->req = 0; |
|
|
998 | worker_clear (self); |
|
|
999 | |
|
|
1000 | UNLOCK (reslock); |
861 | } |
1001 | } |
862 | while (type != REQ_QUIT); |
1002 | while (type != REQ_QUIT); |
863 | |
1003 | |
|
|
1004 | LOCK (wrklock); |
|
|
1005 | worker_free (self); |
|
|
1006 | UNLOCK (wrklock); |
|
|
1007 | |
864 | return 0; |
1008 | return 0; |
865 | } |
1009 | } |
866 | |
1010 | |
867 | /*****************************************************************************/ |
1011 | /*****************************************************************************/ |
868 | |
1012 | |
869 | static void atfork_prepare (void) |
1013 | static void atfork_prepare (void) |
870 | { |
1014 | { |
871 | pthread_mutex_lock (&reqlock); |
1015 | LOCK (wrklock); |
872 | pthread_mutex_lock (&reslock); |
1016 | LOCK (reqlock); |
|
|
1017 | LOCK (reslock); |
873 | #if !HAVE_PREADWRITE |
1018 | #if !HAVE_PREADWRITE |
874 | pthread_mutex_lock (&preadwritelock); |
1019 | LOCK (preadwritelock); |
875 | #endif |
1020 | #endif |
876 | #if !HAVE_READDIR_R |
1021 | #if !HAVE_READDIR_R |
877 | pthread_mutex_lock (&readdirlock); |
1022 | LOCK (readdirlock); |
878 | #endif |
1023 | #endif |
879 | } |
1024 | } |
880 | |
1025 | |
881 | static void atfork_parent (void) |
1026 | static void atfork_parent (void) |
882 | { |
1027 | { |
883 | #if !HAVE_READDIR_R |
1028 | #if !HAVE_READDIR_R |
884 | pthread_mutex_unlock (&readdirlock); |
1029 | UNLOCK (readdirlock); |
885 | #endif |
1030 | #endif |
886 | #if !HAVE_PREADWRITE |
1031 | #if !HAVE_PREADWRITE |
887 | pthread_mutex_unlock (&preadwritelock); |
1032 | UNLOCK (preadwritelock); |
888 | #endif |
1033 | #endif |
889 | pthread_mutex_unlock (&reslock); |
1034 | UNLOCK (reslock); |
890 | pthread_mutex_unlock (&reqlock); |
1035 | UNLOCK (reqlock); |
|
|
1036 | UNLOCK (wrklock); |
891 | } |
1037 | } |
892 | |
1038 | |
893 | static void atfork_child (void) |
1039 | static void atfork_child (void) |
894 | { |
1040 | { |
895 | aio_req prv; |
1041 | aio_req prv; |
896 | |
1042 | |
|
|
1043 | while (prv = reqq_shift (&req_queue)) |
|
|
1044 | req_free (prv); |
|
|
1045 | |
|
|
1046 | while (prv = reqq_shift (&res_queue)) |
|
|
1047 | req_free (prv); |
|
|
1048 | |
|
|
1049 | while (wrk_first.next != &wrk_first) |
|
|
1050 | { |
|
|
1051 | worker *wrk = wrk_first.next; |
|
|
1052 | |
|
|
1053 | if (wrk->req) |
|
|
1054 | req_free (wrk->req); |
|
|
1055 | |
|
|
1056 | worker_clear (wrk); |
|
|
1057 | worker_free (wrk); |
|
|
1058 | } |
|
|
1059 | |
897 | started = 0; |
1060 | started = 0; |
898 | |
1061 | nreqs = 0; |
899 | while (reqs) |
|
|
900 | { |
|
|
901 | prv = reqs; |
|
|
902 | reqs = prv->next; |
|
|
903 | req_free (prv); |
|
|
904 | } |
|
|
905 | |
|
|
906 | reqs = reqe = 0; |
|
|
907 | |
|
|
908 | while (ress) |
|
|
909 | { |
|
|
910 | prv = ress; |
|
|
911 | ress = prv->next; |
|
|
912 | req_free (prv); |
|
|
913 | } |
|
|
914 | |
|
|
915 | ress = rese = 0; |
|
|
916 | |
1062 | |
917 | close (respipe [0]); |
1063 | close (respipe [0]); |
918 | close (respipe [1]); |
1064 | close (respipe [1]); |
919 | create_pipe (); |
1065 | create_pipe (); |
920 | |
1066 | |
921 | atfork_parent (); |
1067 | atfork_parent (); |
922 | } |
1068 | } |
923 | |
1069 | |
924 | #define dREQ \ |
1070 | #define dREQ \ |
925 | aio_req req; \ |
1071 | aio_req req; \ |
|
|
1072 | int req_pri = next_pri; \ |
|
|
1073 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
926 | \ |
1074 | \ |
927 | if (SvOK (callback) && !SvROK (callback)) \ |
1075 | if (SvOK (callback) && !SvROK (callback)) \ |
928 | croak ("callback must be undef or of reference type"); \ |
1076 | croak ("callback must be undef or of reference type"); \ |
929 | \ |
1077 | \ |
930 | Newz (0, req, 1, aio_cb); \ |
1078 | Newz (0, req, 1, aio_cb); \ |
931 | if (!req) \ |
1079 | if (!req) \ |
932 | croak ("out of memory during aio_req allocation"); \ |
1080 | croak ("out of memory during aio_req allocation"); \ |
933 | \ |
1081 | \ |
934 | req->callback = newSVsv (callback) |
1082 | req->callback = newSVsv (callback); \ |
|
|
1083 | req->pri = req_pri |
935 | |
1084 | |
936 | #define REQ_SEND \ |
1085 | #define REQ_SEND \ |
937 | req_send (req); \ |
1086 | req_send (req); \ |
938 | \ |
1087 | \ |
939 | if (GIMME_V != G_VOID) \ |
1088 | if (GIMME_V != G_VOID) \ |
… | |
… | |
961 | |
1110 | |
962 | void |
1111 | void |
963 | max_parallel (nthreads) |
1112 | max_parallel (nthreads) |
964 | int nthreads |
1113 | int nthreads |
965 | PROTOTYPE: $ |
1114 | PROTOTYPE: $ |
966 | |
|
|
967 | int |
|
|
968 | max_outstanding (nreqs) |
|
|
969 | int nreqs |
|
|
970 | PROTOTYPE: $ |
|
|
971 | CODE: |
|
|
972 | RETVAL = max_outstanding; |
|
|
973 | max_outstanding = nreqs; |
|
|
974 | |
1115 | |
975 | void |
1116 | void |
976 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
1117 | aio_open (pathname,flags,mode,callback=&PL_sv_undef) |
977 | SV * pathname |
1118 | SV * pathname |
978 | int flags |
1119 | int flags |
… | |
… | |
1193 | |
1334 | |
1194 | REQ_SEND; |
1335 | REQ_SEND; |
1195 | } |
1336 | } |
1196 | |
1337 | |
1197 | void |
1338 | void |
1198 | aio_sleep (delay,callback=&PL_sv_undef) |
1339 | aio_busy (delay,callback=&PL_sv_undef) |
1199 | double delay |
1340 | double delay |
1200 | SV * callback |
1341 | SV * callback |
1201 | PPCODE: |
1342 | PPCODE: |
1202 | { |
1343 | { |
1203 | dREQ; |
1344 | dREQ; |
1204 | |
1345 | |
1205 | req->type = REQ_SLEEP; |
1346 | req->type = REQ_BUSY; |
1206 | req->fd = delay < 0. ? 0 : delay; |
1347 | req->fd = delay < 0. ? 0 : delay; |
1207 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1348 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1208 | |
1349 | |
1209 | REQ_SEND; |
1350 | REQ_SEND; |
1210 | } |
1351 | } |
… | |
… | |
1214 | SV * callback |
1355 | SV * callback |
1215 | PROTOTYPE: ;$ |
1356 | PROTOTYPE: ;$ |
1216 | PPCODE: |
1357 | PPCODE: |
1217 | { |
1358 | { |
1218 | dREQ; |
1359 | dREQ; |
|
|
1360 | |
1219 | req->type = REQ_GROUP; |
1361 | req->type = REQ_GROUP; |
1220 | req_send (req); |
1362 | req_send (req); |
|
|
1363 | |
1221 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1364 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1222 | } |
1365 | } |
1223 | |
1366 | |
1224 | void |
1367 | void |
1225 | aio_nop (callback=&PL_sv_undef) |
1368 | aio_nop (callback=&PL_sv_undef) |
… | |
… | |
1230 | |
1373 | |
1231 | req->type = REQ_NOP; |
1374 | req->type = REQ_NOP; |
1232 | |
1375 | |
1233 | REQ_SEND; |
1376 | REQ_SEND; |
1234 | } |
1377 | } |
|
|
1378 | |
|
|
1379 | void |
|
|
1380 | aioreq_pri (int pri = DEFAULT_PRI) |
|
|
1381 | CODE: |
|
|
1382 | if (pri < PRI_MIN) pri = PRI_MIN; |
|
|
1383 | if (pri > PRI_MAX) pri = PRI_MAX; |
|
|
1384 | next_pri = pri + PRI_BIAS; |
|
|
1385 | |
|
|
1386 | void |
|
|
1387 | aioreq_nice (int nice = 0) |
|
|
1388 | CODE: |
|
|
1389 | nice = next_pri - nice; |
|
|
1390 | if (nice < PRI_MIN) nice = PRI_MIN; |
|
|
1391 | if (nice > PRI_MAX) nice = PRI_MAX; |
|
|
1392 | next_pri = nice + PRI_BIAS; |
1235 | |
1393 | |
1236 | void |
1394 | void |
1237 | flush () |
1395 | flush () |
1238 | PROTOTYPE: |
1396 | PROTOTYPE: |
1239 | CODE: |
1397 | CODE: |
… | |
… | |
1288 | |
1446 | |
1289 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1447 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1290 | |
1448 | |
1291 | void |
1449 | void |
1292 | cancel (aio_req_ornot req) |
1450 | cancel (aio_req_ornot req) |
1293 | PROTOTYPE: |
|
|
1294 | CODE: |
1451 | CODE: |
1295 | req_cancel (req); |
1452 | req_cancel (req); |
1296 | |
1453 | |
1297 | void |
1454 | void |
1298 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1455 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
… | |
… | |
1334 | } |
1491 | } |
1335 | } |
1492 | } |
1336 | } |
1493 | } |
1337 | |
1494 | |
1338 | void |
1495 | void |
|
|
1496 | cancel_subs (aio_req_ornot req) |
|
|
1497 | CODE: |
|
|
1498 | req_cancel_subs (req); |
|
|
1499 | |
|
|
1500 | void |
1339 | result (aio_req grp, ...) |
1501 | result (aio_req grp, ...) |
1340 | CODE: |
1502 | CODE: |
1341 | { |
1503 | { |
1342 | int i; |
1504 | int i; |
1343 | AV *av = newAV (); |
1505 | AV *av = newAV (); |
… | |
… | |
1348 | SvREFCNT_dec (grp->data); |
1510 | SvREFCNT_dec (grp->data); |
1349 | grp->data = (SV *)av; |
1511 | grp->data = (SV *)av; |
1350 | } |
1512 | } |
1351 | |
1513 | |
1352 | void |
1514 | void |
1353 | feed_limit (aio_req grp, int limit) |
1515 | limit (aio_req grp, int limit) |
1354 | CODE: |
1516 | CODE: |
1355 | grp->fd2 = limit; |
1517 | grp->fd2 = limit; |
1356 | aio_grp_feed (grp); |
1518 | aio_grp_feed (grp); |
1357 | |
1519 | |
1358 | void |
1520 | void |