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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" |
… | |
… | |
41 | # define NAME_MAX 4096 |
49 | # define NAME_MAX 4096 |
42 | #endif |
50 | #endif |
43 | |
51 | |
44 | #if __ia64 |
52 | #if __ia64 |
45 | # define STACKSIZE 65536 |
53 | # define STACKSIZE 65536 |
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54 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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55 | # define STACKSIZE PTHREAD_STACK_MIN |
46 | #else |
56 | #else |
47 | # define STACKSIZE 8192 |
57 | # define STACKSIZE 16384 |
48 | #endif |
58 | #endif |
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59 | |
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60 | /* buffer size for various temporary buffers */ |
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61 | #define AIO_BUFSIZE 65536 |
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62 | |
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63 | #define dBUF \ |
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64 | char *aio_buf; \ |
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65 | LOCK (wrklock); \ |
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66 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
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67 | UNLOCK (wrklock); \ |
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68 | if (!aio_buf) \ |
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69 | return -1; |
49 | |
70 | |
50 | enum { |
71 | enum { |
51 | REQ_QUIT, |
72 | REQ_QUIT, |
52 | REQ_OPEN, REQ_CLOSE, |
73 | REQ_OPEN, REQ_CLOSE, |
53 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
74 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
… | |
… | |
56 | REQ_FSYNC, REQ_FDATASYNC, |
77 | REQ_FSYNC, REQ_FDATASYNC, |
57 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
78 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
58 | REQ_READDIR, |
79 | REQ_READDIR, |
59 | REQ_LINK, REQ_SYMLINK, |
80 | REQ_LINK, REQ_SYMLINK, |
60 | REQ_GROUP, REQ_NOP, |
81 | REQ_GROUP, REQ_NOP, |
61 | REQ_SLEEP, |
82 | REQ_BUSY, |
62 | }; |
83 | }; |
63 | |
84 | |
64 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
85 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
65 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
86 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
66 | |
87 | |
67 | typedef struct aio_cb |
88 | typedef struct aio_cb |
68 | { |
89 | { |
69 | struct aio_cb *volatile next; |
90 | 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 | |
91 | |
75 | SV *data, *callback; |
92 | SV *data, *callback; |
76 | SV *fh, *fh2; |
93 | SV *fh, *fh2; |
77 | void *dataptr, *data2ptr; |
94 | void *dataptr, *data2ptr; |
78 | Stat_t *statdata; |
95 | Stat_t *statdata; |
79 | off_t offset; |
96 | off_t offset; |
80 | size_t length; |
97 | size_t length; |
81 | ssize_t result; |
98 | ssize_t result; |
82 | |
99 | |
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100 | STRLEN dataoffset; |
83 | int type; |
101 | int type; |
84 | int fd, fd2; |
102 | int fd, fd2; |
85 | int errorno; |
103 | int errorno; |
86 | STRLEN dataoffset; |
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87 | mode_t mode; /* open */ |
104 | mode_t mode; /* open */ |
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105 | |
88 | unsigned char cancelled; |
106 | unsigned char flags; |
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107 | unsigned char pri; |
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108 | |
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109 | SV *self; /* the perl counterpart of this request, if any */ |
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110 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
89 | } aio_cb; |
111 | } aio_cb; |
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112 | |
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113 | enum { |
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114 | FLAG_CANCELLED = 0x01, |
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115 | }; |
90 | |
116 | |
91 | typedef aio_cb *aio_req; |
117 | typedef aio_cb *aio_req; |
92 | typedef aio_cb *aio_req_ornot; |
118 | typedef aio_cb *aio_req_ornot; |
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119 | |
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120 | enum { |
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121 | PRI_MIN = -4, |
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122 | PRI_MAX = 4, |
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123 | |
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124 | DEFAULT_PRI = 0, |
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125 | PRI_BIAS = -PRI_MIN, |
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126 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
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127 | }; |
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128 | |
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129 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
93 | |
130 | |
94 | static int started, wanted; |
131 | static int started, wanted; |
95 | static volatile int nreqs; |
132 | static volatile int nreqs; |
96 | static int max_outstanding = 1<<30; |
133 | static int max_outstanding = 1<<30; |
97 | static int respipe [2]; |
134 | static int respipe [2]; |
98 | |
135 | |
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136 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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137 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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138 | #else |
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139 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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140 | #endif |
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141 | |
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142 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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143 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
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144 | |
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145 | /* worker threasd management */ |
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146 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
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147 | |
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148 | typedef struct worker { |
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149 | /* locked by wrklock */ |
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150 | struct worker *prev, *next; |
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151 | |
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152 | pthread_t tid; |
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153 | |
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154 | /* locked by reslock, reqlock or wrklock */ |
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155 | aio_req req; /* currently processed request */ |
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156 | void *dbuf; |
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157 | DIR *dirp; |
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158 | } worker; |
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159 | |
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160 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
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161 | |
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162 | static void worker_clear (worker *wrk) |
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163 | { |
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164 | if (wrk->dirp) |
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165 | { |
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166 | closedir (wrk->dirp); |
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167 | wrk->dirp = 0; |
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168 | } |
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169 | |
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170 | if (wrk->dbuf) |
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171 | { |
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172 | free (wrk->dbuf); |
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173 | wrk->dbuf = 0; |
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174 | } |
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175 | } |
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176 | |
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177 | static void worker_free (worker *wrk) |
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178 | { |
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179 | wrk->next->prev = wrk->prev; |
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180 | wrk->prev->next = wrk->next; |
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181 | |
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182 | free (wrk); |
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183 | } |
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184 | |
99 | static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; |
185 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
100 | static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER; |
186 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
101 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
187 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
102 | |
188 | |
103 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
189 | /* |
104 | static volatile aio_req ress, rese; /* queue start, queue end */ |
190 | * a somewhat faster data structure might be nice, but |
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191 | * with 8 priorities this actually needs <20 insns |
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192 | * per shift, the most expensive operation. |
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193 | */ |
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194 | typedef struct { |
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195 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
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196 | int size; |
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197 | } reqq; |
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198 | |
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199 | static reqq req_queue; |
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200 | static reqq res_queue; |
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201 | |
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202 | int reqq_push (reqq *q, aio_req req) |
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203 | { |
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204 | int pri = req->pri; |
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205 | req->next = 0; |
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206 | |
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207 | if (q->qe[pri]) |
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208 | { |
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209 | q->qe[pri]->next = req; |
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210 | q->qe[pri] = req; |
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211 | } |
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212 | else |
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213 | q->qe[pri] = q->qs[pri] = req; |
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214 | |
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215 | return q->size++; |
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216 | } |
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217 | |
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218 | aio_req reqq_shift (reqq *q) |
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219 | { |
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220 | int pri; |
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221 | |
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222 | if (!q->size) |
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223 | return 0; |
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224 | |
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225 | --q->size; |
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226 | |
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227 | for (pri = NUM_PRI; pri--; ) |
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228 | { |
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229 | aio_req req = q->qs[pri]; |
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230 | |
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231 | if (req) |
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232 | { |
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233 | if (!(q->qs[pri] = req->next)) |
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234 | q->qe[pri] = 0; |
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235 | |
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236 | return req; |
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237 | } |
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238 | } |
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239 | |
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240 | abort (); |
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241 | } |
105 | |
242 | |
106 | static void req_invoke (aio_req req); |
243 | static void req_invoke (aio_req req); |
107 | static void req_free (aio_req req); |
244 | static void req_free (aio_req req); |
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245 | static void req_cancel (aio_req req); |
108 | |
246 | |
109 | /* must be called at most once */ |
247 | /* must be called at most once */ |
110 | static SV *req_sv (aio_req req, const char *klass) |
248 | static SV *req_sv (aio_req req, const char *klass) |
111 | { |
249 | { |
112 | if (!req->self) |
250 | if (!req->self) |
… | |
… | |
130 | return mg ? (aio_req)mg->mg_ptr : 0; |
268 | return mg ? (aio_req)mg->mg_ptr : 0; |
131 | } |
269 | } |
132 | |
270 | |
133 | static void aio_grp_feed (aio_req grp) |
271 | static void aio_grp_feed (aio_req grp) |
134 | { |
272 | { |
135 | while (grp->length < grp->fd2) |
273 | while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED)) |
136 | { |
274 | { |
137 | int old_len = grp->length; |
275 | int old_len = grp->length; |
138 | |
276 | |
139 | if (grp->fh2 && SvOK (grp->fh2)) |
277 | if (grp->fh2 && SvOK (grp->fh2)) |
140 | { |
278 | { |
… | |
… | |
143 | ENTER; |
281 | ENTER; |
144 | SAVETMPS; |
282 | SAVETMPS; |
145 | PUSHMARK (SP); |
283 | PUSHMARK (SP); |
146 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
284 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
147 | PUTBACK; |
285 | PUTBACK; |
148 | call_sv (grp->fh2, G_VOID | G_EVAL); |
286 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
149 | SPAGAIN; |
287 | SPAGAIN; |
150 | FREETMPS; |
288 | FREETMPS; |
151 | LEAVE; |
289 | LEAVE; |
152 | } |
290 | } |
153 | |
291 | |
… | |
… | |
176 | } |
314 | } |
177 | } |
315 | } |
178 | |
316 | |
179 | static void poll_wait () |
317 | static void poll_wait () |
180 | { |
318 | { |
181 | if (nreqs && !ress) |
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182 | { |
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183 | fd_set rfd; |
319 | fd_set rfd; |
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320 | |
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321 | while (nreqs) |
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322 | { |
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323 | int size; |
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324 | #if !(__i386 || __x86_64) /* safe without sempahore on these archs */ |
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325 | LOCK (reslock); |
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326 | #endif |
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327 | size = res_queue.size; |
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328 | #if !(__i386 || __x86_64) /* safe without sempahore on these archs */ |
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329 | UNLOCK (reslock); |
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330 | #endif |
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331 | |
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332 | if (size) |
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333 | return; |
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334 | |
184 | FD_ZERO(&rfd); |
335 | FD_ZERO(&rfd); |
185 | FD_SET(respipe [0], &rfd); |
336 | FD_SET(respipe [0], &rfd); |
186 | |
337 | |
187 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
338 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
188 | } |
339 | } |
189 | } |
340 | } |
190 | |
341 | |
191 | static void req_invoke (aio_req req) |
342 | static void req_invoke (aio_req req) |
192 | { |
343 | { |
193 | dSP; |
344 | dSP; |
194 | int errorno = errno; |
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195 | |
345 | |
196 | if (req->cancelled || !SvOK (req->callback)) |
346 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
197 | return; |
347 | { |
198 | |
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199 | errno = req->errorno; |
348 | errno = req->errorno; |
200 | |
349 | |
201 | ENTER; |
350 | ENTER; |
202 | SAVETMPS; |
351 | SAVETMPS; |
203 | PUSHMARK (SP); |
352 | PUSHMARK (SP); |
204 | EXTEND (SP, 1); |
353 | EXTEND (SP, 1); |
205 | |
354 | |
206 | switch (req->type) |
355 | switch (req->type) |
207 | { |
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208 | case REQ_READDIR: |
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209 | { |
356 | { |
210 | SV *rv = &PL_sv_undef; |
357 | case REQ_READDIR: |
211 | |
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212 | if (req->result >= 0) |
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213 | { |
358 | { |
214 | char *buf = req->data2ptr; |
359 | SV *rv = &PL_sv_undef; |
215 | AV *av = newAV (); |
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216 | |
360 | |
217 | while (req->result) |
361 | if (req->result >= 0) |
218 | { |
362 | { |
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363 | int i; |
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364 | char *buf = req->data2ptr; |
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365 | AV *av = newAV (); |
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366 | |
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367 | av_extend (av, req->result - 1); |
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368 | |
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369 | for (i = 0; i < req->result; ++i) |
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370 | { |
219 | SV *sv = newSVpv (buf, 0); |
371 | SV *sv = newSVpv (buf, 0); |
220 | |
372 | |
221 | av_push (av, sv); |
373 | av_store (av, i, sv); |
222 | buf += SvCUR (sv) + 1; |
374 | buf += SvCUR (sv) + 1; |
223 | req->result--; |
375 | } |
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376 | |
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377 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
224 | } |
378 | } |
225 | |
379 | |
226 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
380 | PUSHs (rv); |
227 | } |
381 | } |
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382 | break; |
228 | |
383 | |
229 | PUSHs (rv); |
384 | case REQ_OPEN: |
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385 | { |
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386 | /* convert fd to fh */ |
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387 | SV *fh; |
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388 | |
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389 | PUSHs (sv_2mortal (newSViv (req->result))); |
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390 | PUTBACK; |
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391 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
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392 | SPAGAIN; |
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393 | |
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394 | fh = SvREFCNT_inc (POPs); |
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395 | |
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396 | PUSHMARK (SP); |
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397 | XPUSHs (sv_2mortal (fh)); |
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398 | } |
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399 | break; |
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400 | |
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401 | case REQ_GROUP: |
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402 | req->fd = 2; /* mark group as finished */ |
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403 | |
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404 | if (req->data) |
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405 | { |
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406 | int i; |
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407 | AV *av = (AV *)req->data; |
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408 | |
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409 | EXTEND (SP, AvFILL (av) + 1); |
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410 | for (i = 0; i <= AvFILL (av); ++i) |
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411 | PUSHs (*av_fetch (av, i, 0)); |
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412 | } |
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413 | break; |
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414 | |
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415 | case REQ_NOP: |
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416 | case REQ_BUSY: |
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417 | break; |
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418 | |
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419 | default: |
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420 | PUSHs (sv_2mortal (newSViv (req->result))); |
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421 | break; |
230 | } |
422 | } |
231 | break; |
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232 | |
423 | |
233 | case REQ_OPEN: |
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234 | { |
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235 | /* convert fd to fh */ |
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236 | SV *fh; |
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237 | |
424 | |
238 | PUSHs (sv_2mortal (newSViv (req->result))); |
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239 | PUTBACK; |
425 | PUTBACK; |
240 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
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241 | SPAGAIN; |
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242 | |
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243 | fh = SvREFCNT_inc (POPs); |
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244 | |
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245 | PUSHMARK (SP); |
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246 | XPUSHs (sv_2mortal (fh)); |
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247 | } |
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248 | break; |
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249 | |
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250 | case REQ_GROUP: |
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251 | req->fd = 2; /* mark group as finished */ |
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252 | |
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253 | if (req->data) |
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254 | { |
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255 | int i; |
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256 | AV *av = (AV *)req->data; |
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257 | |
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258 | EXTEND (SP, AvFILL (av) + 1); |
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259 | for (i = 0; i <= AvFILL (av); ++i) |
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260 | PUSHs (*av_fetch (av, i, 0)); |
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261 | } |
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262 | break; |
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263 | |
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264 | case REQ_NOP: |
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265 | case REQ_SLEEP: |
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266 | break; |
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267 | |
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268 | default: |
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269 | PUSHs (sv_2mortal (newSViv (req->result))); |
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270 | break; |
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271 | } |
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272 | |
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273 | |
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274 | PUTBACK; |
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275 | call_sv (req->callback, G_VOID | G_EVAL); |
426 | call_sv (req->callback, G_VOID | G_EVAL); |
276 | SPAGAIN; |
427 | SPAGAIN; |
277 | |
428 | |
278 | FREETMPS; |
429 | FREETMPS; |
279 | LEAVE; |
430 | LEAVE; |
280 | |
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281 | errno = errorno; |
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282 | |
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283 | if (SvTRUE (ERRSV)) |
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284 | { |
431 | } |
285 | req_free (req); |
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286 | croak (0); |
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287 | } |
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288 | } |
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289 | |
432 | |
290 | static void req_free (aio_req req) |
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291 | { |
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292 | if (req->grp) |
433 | if (req->grp) |
293 | { |
434 | { |
294 | aio_req grp = req->grp; |
435 | aio_req grp = req->grp; |
295 | |
436 | |
296 | /* unlink request */ |
437 | /* unlink request */ |
… | |
… | |
301 | grp->grp_first = req->grp_next; |
442 | grp->grp_first = req->grp_next; |
302 | |
443 | |
303 | aio_grp_dec (grp); |
444 | aio_grp_dec (grp); |
304 | } |
445 | } |
305 | |
446 | |
|
|
447 | if (SvTRUE (ERRSV)) |
|
|
448 | { |
|
|
449 | req_free (req); |
|
|
450 | croak (0); |
|
|
451 | } |
|
|
452 | } |
|
|
453 | |
|
|
454 | static void req_free (aio_req req) |
|
|
455 | { |
306 | if (req->self) |
456 | if (req->self) |
307 | { |
457 | { |
308 | sv_unmagic (req->self, PERL_MAGIC_ext); |
458 | sv_unmagic (req->self, PERL_MAGIC_ext); |
309 | SvREFCNT_dec (req->self); |
459 | SvREFCNT_dec (req->self); |
310 | } |
460 | } |
… | |
… | |
313 | SvREFCNT_dec (req->fh); |
463 | SvREFCNT_dec (req->fh); |
314 | SvREFCNT_dec (req->fh2); |
464 | SvREFCNT_dec (req->fh2); |
315 | SvREFCNT_dec (req->callback); |
465 | SvREFCNT_dec (req->callback); |
316 | Safefree (req->statdata); |
466 | Safefree (req->statdata); |
317 | |
467 | |
318 | if (req->type == REQ_READDIR && req->result >= 0) |
468 | if (req->type == REQ_READDIR) |
319 | free (req->data2ptr); |
469 | free (req->data2ptr); |
320 | |
470 | |
321 | Safefree (req); |
471 | Safefree (req); |
322 | } |
472 | } |
323 | |
473 | |
|
|
474 | static void req_cancel_subs (aio_req grp) |
|
|
475 | { |
|
|
476 | aio_req sub; |
|
|
477 | |
|
|
478 | if (grp->type != REQ_GROUP) |
|
|
479 | return; |
|
|
480 | |
|
|
481 | SvREFCNT_dec (grp->fh2); |
|
|
482 | grp->fh2 = 0; |
|
|
483 | |
|
|
484 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
|
|
485 | req_cancel (sub); |
|
|
486 | } |
|
|
487 | |
324 | static void req_cancel (aio_req req) |
488 | static void req_cancel (aio_req req) |
325 | { |
489 | { |
326 | req->cancelled = 1; |
490 | req->flags |= FLAG_CANCELLED; |
327 | |
491 | |
328 | if (req->type == REQ_GROUP) |
492 | req_cancel_subs (req); |
329 | { |
|
|
330 | aio_req sub; |
|
|
331 | |
|
|
332 | for (sub = req->grp_first; sub; sub = sub->grp_next) |
|
|
333 | req_cancel (sub); |
|
|
334 | } |
|
|
335 | } |
493 | } |
336 | |
494 | |
337 | static int poll_cb () |
495 | static int poll_cb () |
338 | { |
496 | { |
339 | dSP; |
497 | dSP; |
… | |
… | |
341 | int do_croak = 0; |
499 | int do_croak = 0; |
342 | aio_req req; |
500 | aio_req req; |
343 | |
501 | |
344 | for (;;) |
502 | for (;;) |
345 | { |
503 | { |
346 | pthread_mutex_lock (&reslock); |
504 | LOCK (reslock); |
347 | req = ress; |
505 | req = reqq_shift (&res_queue); |
348 | |
506 | |
349 | if (req) |
507 | if (req) |
350 | { |
508 | { |
351 | ress = req->next; |
|
|
352 | |
|
|
353 | if (!ress) |
509 | if (!res_queue.size) |
354 | { |
510 | { |
355 | /* read any signals sent by the worker threads */ |
511 | /* read any signals sent by the worker threads */ |
356 | char buf [32]; |
512 | char buf [32]; |
357 | while (read (respipe [0], buf, 32) == 32) |
513 | while (read (respipe [0], buf, 32) == 32) |
358 | ; |
514 | ; |
359 | |
|
|
360 | rese = 0; |
|
|
361 | } |
515 | } |
362 | } |
516 | } |
363 | |
517 | |
364 | pthread_mutex_unlock (&reslock); |
518 | UNLOCK (reslock); |
365 | |
519 | |
366 | if (!req) |
520 | if (!req) |
367 | break; |
521 | break; |
368 | |
522 | |
369 | --nreqs; |
523 | --nreqs; |
… | |
… | |
404 | static void *aio_proc(void *arg); |
558 | static void *aio_proc(void *arg); |
405 | |
559 | |
406 | static void start_thread (void) |
560 | static void start_thread (void) |
407 | { |
561 | { |
408 | sigset_t fullsigset, oldsigset; |
562 | sigset_t fullsigset, oldsigset; |
409 | pthread_t tid; |
|
|
410 | pthread_attr_t attr; |
563 | pthread_attr_t attr; |
|
|
564 | |
|
|
565 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
566 | |
|
|
567 | if (!wrk) |
|
|
568 | croak ("unable to allocate worker thread data"); |
411 | |
569 | |
412 | pthread_attr_init (&attr); |
570 | pthread_attr_init (&attr); |
413 | pthread_attr_setstacksize (&attr, STACKSIZE); |
571 | pthread_attr_setstacksize (&attr, STACKSIZE); |
414 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
572 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
415 | |
573 | |
416 | sigfillset (&fullsigset); |
574 | sigfillset (&fullsigset); |
|
|
575 | |
|
|
576 | LOCK (wrklock); |
417 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
577 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
418 | |
578 | |
419 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
579 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
|
|
580 | { |
|
|
581 | wrk->prev = &wrk_first; |
|
|
582 | wrk->next = wrk_first.next; |
|
|
583 | wrk_first.next->prev = wrk; |
|
|
584 | wrk_first.next = wrk; |
420 | started++; |
585 | started++; |
|
|
586 | } |
|
|
587 | else |
|
|
588 | free (wrk); |
421 | |
589 | |
422 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
590 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
591 | UNLOCK (wrklock); |
423 | } |
592 | } |
424 | |
593 | |
425 | static void req_send (aio_req req) |
594 | static void req_send (aio_req req) |
426 | { |
595 | { |
427 | while (started < wanted && nreqs >= started) |
596 | while (started < wanted && nreqs >= started) |
428 | start_thread (); |
597 | start_thread (); |
429 | |
598 | |
430 | ++nreqs; |
599 | ++nreqs; |
431 | |
600 | |
432 | pthread_mutex_lock (&reqlock); |
601 | LOCK (reqlock); |
433 | |
602 | reqq_push (&req_queue, req); |
434 | req->next = 0; |
|
|
435 | |
|
|
436 | if (reqe) |
|
|
437 | { |
|
|
438 | reqe->next = req; |
|
|
439 | reqe = req; |
|
|
440 | } |
|
|
441 | else |
|
|
442 | reqe = reqs = req; |
|
|
443 | |
|
|
444 | pthread_cond_signal (&reqwait); |
603 | pthread_cond_signal (&reqwait); |
445 | pthread_mutex_unlock (&reqlock); |
604 | UNLOCK (reqlock); |
446 | |
605 | |
447 | if (nreqs > max_outstanding) |
606 | if (nreqs > max_outstanding) |
448 | for (;;) |
607 | for (;;) |
449 | { |
608 | { |
450 | poll_cb (); |
609 | poll_cb (); |
… | |
… | |
457 | } |
616 | } |
458 | |
617 | |
459 | static void end_thread (void) |
618 | static void end_thread (void) |
460 | { |
619 | { |
461 | aio_req req; |
620 | aio_req req; |
|
|
621 | |
462 | Newz (0, req, 1, aio_cb); |
622 | Newz (0, req, 1, aio_cb); |
|
|
623 | |
463 | req->type = REQ_QUIT; |
624 | req->type = REQ_QUIT; |
|
|
625 | req->pri = PRI_MAX + PRI_BIAS; |
464 | |
626 | |
465 | req_send (req); |
627 | req_send (req); |
466 | } |
628 | } |
467 | |
629 | |
468 | static void min_parallel (int nthreads) |
630 | static void min_parallel (int nthreads) |
… | |
… | |
520 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
682 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
521 | { |
683 | { |
522 | ssize_t res; |
684 | ssize_t res; |
523 | off_t ooffset; |
685 | off_t ooffset; |
524 | |
686 | |
525 | pthread_mutex_lock (&preadwritelock); |
687 | LOCK (preadwritelock); |
526 | ooffset = lseek (fd, 0, SEEK_CUR); |
688 | ooffset = lseek (fd, 0, SEEK_CUR); |
527 | lseek (fd, offset, SEEK_SET); |
689 | lseek (fd, offset, SEEK_SET); |
528 | res = read (fd, buf, count); |
690 | res = read (fd, buf, count); |
529 | lseek (fd, ooffset, SEEK_SET); |
691 | lseek (fd, ooffset, SEEK_SET); |
530 | pthread_mutex_unlock (&preadwritelock); |
692 | UNLOCK (preadwritelock); |
531 | |
693 | |
532 | return res; |
694 | return res; |
533 | } |
695 | } |
534 | |
696 | |
535 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
697 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
536 | { |
698 | { |
537 | ssize_t res; |
699 | ssize_t res; |
538 | off_t ooffset; |
700 | off_t ooffset; |
539 | |
701 | |
540 | pthread_mutex_lock (&preadwritelock); |
702 | LOCK (preadwritelock); |
541 | ooffset = lseek (fd, 0, SEEK_CUR); |
703 | ooffset = lseek (fd, 0, SEEK_CUR); |
542 | lseek (fd, offset, SEEK_SET); |
704 | lseek (fd, offset, SEEK_SET); |
543 | res = write (fd, buf, count); |
705 | res = write (fd, buf, count); |
544 | lseek (fd, offset, SEEK_SET); |
706 | lseek (fd, offset, SEEK_SET); |
545 | pthread_mutex_unlock (&preadwritelock); |
707 | UNLOCK (preadwritelock); |
546 | |
708 | |
547 | return res; |
709 | return res; |
548 | } |
710 | } |
549 | #endif |
711 | #endif |
550 | |
712 | |
… | |
… | |
555 | #if !HAVE_READAHEAD |
717 | #if !HAVE_READAHEAD |
556 | # define readahead aio_readahead |
718 | # define readahead aio_readahead |
557 | |
719 | |
558 | static ssize_t readahead (int fd, off_t offset, size_t count) |
720 | static ssize_t readahead (int fd, off_t offset, size_t count) |
559 | { |
721 | { |
560 | char readahead_buf[4096]; |
722 | dBUF; |
561 | |
723 | |
562 | while (count > 0) |
724 | while (count > 0) |
563 | { |
725 | { |
564 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
726 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
565 | |
727 | |
566 | pread (fd, readahead_buf, len, offset); |
728 | pread (fd, aio_buf, len, offset); |
567 | offset += len; |
729 | offset += len; |
568 | count -= len; |
730 | count -= len; |
569 | } |
731 | } |
570 | |
732 | |
571 | errno = 0; |
733 | errno = 0; |
… | |
… | |
580 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
742 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
581 | { |
743 | { |
582 | struct dirent *e; |
744 | struct dirent *e; |
583 | int errorno; |
745 | int errorno; |
584 | |
746 | |
585 | pthread_mutex_lock (&readdirlock); |
747 | LOCK (readdirlock); |
586 | |
748 | |
587 | e = readdir (dirp); |
749 | e = readdir (dirp); |
588 | errorno = errno; |
750 | errorno = errno; |
589 | |
751 | |
590 | if (e) |
752 | if (e) |
… | |
… | |
593 | strcpy (ent->d_name, e->d_name); |
755 | strcpy (ent->d_name, e->d_name); |
594 | } |
756 | } |
595 | else |
757 | else |
596 | *res = 0; |
758 | *res = 0; |
597 | |
759 | |
598 | pthread_mutex_unlock (&readdirlock); |
760 | UNLOCK (readdirlock); |
599 | |
761 | |
600 | errno = errorno; |
762 | errno = errorno; |
601 | return e ? 0 : -1; |
763 | return e ? 0 : -1; |
602 | } |
764 | } |
603 | #endif |
765 | #endif |
604 | |
766 | |
605 | /* sendfile always needs emulation */ |
767 | /* sendfile always needs emulation */ |
606 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
768 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
607 | { |
769 | { |
608 | ssize_t res; |
770 | ssize_t res; |
609 | |
771 | |
610 | if (!count) |
772 | if (!count) |
611 | return 0; |
773 | return 0; |
… | |
… | |
660 | #endif |
822 | #endif |
661 | ) |
823 | ) |
662 | ) |
824 | ) |
663 | { |
825 | { |
664 | /* emulate sendfile. this is a major pain in the ass */ |
826 | /* emulate sendfile. this is a major pain in the ass */ |
665 | char buf[4096]; |
827 | dBUF; |
|
|
828 | |
666 | res = 0; |
829 | res = 0; |
667 | |
830 | |
668 | while (count) |
831 | while (count) |
669 | { |
832 | { |
670 | ssize_t cnt; |
833 | ssize_t cnt; |
671 | |
834 | |
672 | cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset); |
835 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
673 | |
836 | |
674 | if (cnt <= 0) |
837 | if (cnt <= 0) |
675 | { |
838 | { |
676 | if (cnt && !res) res = -1; |
839 | if (cnt && !res) res = -1; |
677 | break; |
840 | break; |
678 | } |
841 | } |
679 | |
842 | |
680 | cnt = write (ofd, buf, cnt); |
843 | cnt = write (ofd, aio_buf, cnt); |
681 | |
844 | |
682 | if (cnt <= 0) |
845 | if (cnt <= 0) |
683 | { |
846 | { |
684 | if (cnt && !res) res = -1; |
847 | if (cnt && !res) res = -1; |
685 | break; |
848 | break; |
… | |
… | |
693 | |
856 | |
694 | return res; |
857 | return res; |
695 | } |
858 | } |
696 | |
859 | |
697 | /* read a full directory */ |
860 | /* read a full directory */ |
698 | static int scandir_ (const char *path, void **namesp) |
861 | static void scandir_ (aio_req req, worker *self) |
699 | { |
862 | { |
700 | DIR *dirp = opendir (path); |
863 | DIR *dirp; |
701 | union |
864 | union |
702 | { |
865 | { |
703 | struct dirent d; |
866 | struct dirent d; |
704 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
867 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
705 | } u; |
868 | } *u; |
706 | struct dirent *entp; |
869 | struct dirent *entp; |
707 | char *name, *names; |
870 | char *name, *names; |
708 | int memlen = 4096; |
871 | int memlen = 4096; |
709 | int memofs = 0; |
872 | int memofs = 0; |
710 | int res = 0; |
873 | int res = 0; |
711 | int errorno; |
874 | int errorno; |
712 | |
875 | |
713 | if (!dirp) |
876 | LOCK (wrklock); |
714 | return -1; |
877 | self->dirp = dirp = opendir (req->dataptr); |
|
|
878 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
879 | UNLOCK (wrklock); |
715 | |
880 | |
716 | names = malloc (memlen); |
881 | req->data2ptr = names = malloc (memlen); |
717 | |
882 | |
|
|
883 | if (dirp && u && names) |
718 | for (;;) |
884 | for (;;) |
719 | { |
885 | { |
|
|
886 | errno = 0; |
720 | errno = 0, readdir_r (dirp, &u.d, &entp); |
887 | readdir_r (dirp, &u->d, &entp); |
721 | |
888 | |
722 | if (!entp) |
889 | if (!entp) |
723 | break; |
890 | break; |
724 | |
891 | |
725 | name = entp->d_name; |
892 | name = entp->d_name; |
726 | |
893 | |
727 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
894 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
728 | { |
895 | { |
729 | int len = strlen (name) + 1; |
896 | int len = strlen (name) + 1; |
730 | |
897 | |
731 | res++; |
898 | res++; |
732 | |
899 | |
733 | while (memofs + len > memlen) |
900 | while (memofs + len > memlen) |
734 | { |
901 | { |
735 | memlen *= 2; |
902 | memlen *= 2; |
|
|
903 | LOCK (wrklock); |
736 | names = realloc (names, memlen); |
904 | req->data2ptr = names = realloc (names, memlen); |
|
|
905 | UNLOCK (wrklock); |
|
|
906 | |
737 | if (!names) |
907 | if (!names) |
738 | break; |
908 | break; |
739 | } |
909 | } |
740 | |
910 | |
741 | memcpy (names + memofs, name, len); |
911 | memcpy (names + memofs, name, len); |
742 | memofs += len; |
912 | memofs += len; |
743 | } |
913 | } |
744 | } |
914 | } |
745 | |
915 | |
746 | errorno = errno; |
|
|
747 | closedir (dirp); |
|
|
748 | |
|
|
749 | if (errorno) |
916 | if (errno) |
750 | { |
|
|
751 | free (names); |
|
|
752 | errno = errorno; |
|
|
753 | res = -1; |
917 | res = -1; |
754 | } |
918 | |
755 | |
919 | req->result = res; |
756 | *namesp = (void *)names; |
|
|
757 | return res; |
|
|
758 | } |
920 | } |
759 | |
921 | |
760 | /*****************************************************************************/ |
922 | /*****************************************************************************/ |
761 | |
923 | |
762 | static void *aio_proc (void *thr_arg) |
924 | static void *aio_proc (void *thr_arg) |
763 | { |
925 | { |
764 | aio_req req; |
926 | aio_req req; |
765 | int type; |
927 | int type; |
|
|
928 | worker *self = (worker *)thr_arg; |
766 | |
929 | |
767 | do |
930 | do |
768 | { |
931 | { |
769 | pthread_mutex_lock (&reqlock); |
932 | LOCK (reqlock); |
770 | |
933 | |
771 | for (;;) |
934 | for (;;) |
772 | { |
935 | { |
773 | req = reqs; |
936 | self->req = req = reqq_shift (&req_queue); |
774 | |
|
|
775 | if (reqs) |
|
|
776 | { |
|
|
777 | reqs = reqs->next; |
|
|
778 | if (!reqs) reqe = 0; |
|
|
779 | } |
|
|
780 | |
937 | |
781 | if (req) |
938 | if (req) |
782 | break; |
939 | break; |
783 | |
940 | |
784 | pthread_cond_wait (&reqwait, &reqlock); |
941 | pthread_cond_wait (&reqwait, &reqlock); |
785 | } |
942 | } |
786 | |
943 | |
787 | pthread_mutex_unlock (&reqlock); |
944 | UNLOCK (reqlock); |
788 | |
945 | |
789 | errno = 0; /* strictly unnecessary */ |
946 | errno = 0; /* strictly unnecessary */ |
790 | |
|
|
791 | if (!req->cancelled) |
|
|
792 | switch (type = req->type) /* remember type for QUIT check */ |
947 | type = req->type; /* remember type for QUIT check */ |
|
|
948 | |
|
|
949 | if (!(req->flags & FLAG_CANCELLED)) |
|
|
950 | switch (type) |
793 | { |
951 | { |
794 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
952 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
795 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
953 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
796 | |
954 | |
797 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
955 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
798 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
956 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
799 | |
957 | |
800 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
958 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
801 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
959 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
802 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
960 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
803 | |
961 | |
… | |
… | |
809 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
967 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
810 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
968 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
811 | |
969 | |
812 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
970 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
813 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
971 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
814 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
972 | case REQ_READDIR: scandir_ (req, self); break; |
815 | |
973 | |
816 | case REQ_SLEEP: |
974 | case REQ_BUSY: |
817 | { |
975 | { |
818 | struct timeval tv; |
976 | struct timeval tv; |
819 | |
977 | |
820 | tv.tv_sec = req->fd; |
978 | tv.tv_sec = req->fd; |
821 | tv.tv_usec = req->fd2; |
979 | tv.tv_usec = req->fd2; |
822 | |
980 | |
823 | req->result = select (0, 0, 0, 0, &tv); |
981 | req->result = select (0, 0, 0, 0, &tv); |
824 | } |
982 | } |
825 | |
983 | |
826 | case REQ_GROUP: /*TODO: should not be handled here */ |
984 | case REQ_GROUP: |
827 | case REQ_NOP: /*TODO: should not be handled here */ |
985 | case REQ_NOP: |
828 | case REQ_QUIT: |
986 | case REQ_QUIT: |
829 | break; |
987 | break; |
830 | |
988 | |
831 | default: |
989 | default: |
832 | req->result = ENOSYS; |
990 | req->result = ENOSYS; |
833 | break; |
991 | break; |
834 | } |
992 | } |
835 | |
993 | |
836 | req->errorno = errno; |
994 | req->errorno = errno; |
837 | |
995 | |
838 | pthread_mutex_lock (&reslock); |
996 | LOCK (reslock); |
839 | |
997 | |
840 | req->next = 0; |
998 | if (!reqq_push (&res_queue, req)) |
841 | |
|
|
842 | if (rese) |
|
|
843 | { |
|
|
844 | rese->next = req; |
|
|
845 | rese = req; |
|
|
846 | } |
|
|
847 | else |
|
|
848 | { |
|
|
849 | rese = ress = req; |
|
|
850 | |
|
|
851 | /* write a dummy byte to the pipe so fh becomes ready */ |
999 | /* write a dummy byte to the pipe so fh becomes ready */ |
852 | write (respipe [1], &respipe, 1); |
1000 | write (respipe [1], &respipe, 1); |
853 | } |
|
|
854 | |
1001 | |
855 | pthread_mutex_unlock (&reslock); |
1002 | self->req = 0; |
|
|
1003 | worker_clear (self); |
|
|
1004 | |
|
|
1005 | UNLOCK (reslock); |
856 | } |
1006 | } |
857 | while (type != REQ_QUIT); |
1007 | while (type != REQ_QUIT); |
858 | |
1008 | |
|
|
1009 | LOCK (wrklock); |
|
|
1010 | worker_free (self); |
|
|
1011 | UNLOCK (wrklock); |
|
|
1012 | |
859 | return 0; |
1013 | return 0; |
860 | } |
1014 | } |
861 | |
1015 | |
862 | /*****************************************************************************/ |
1016 | /*****************************************************************************/ |
863 | |
1017 | |
864 | static void atfork_prepare (void) |
1018 | static void atfork_prepare (void) |
865 | { |
1019 | { |
866 | pthread_mutex_lock (&reqlock); |
1020 | LOCK (wrklock); |
867 | pthread_mutex_lock (&reslock); |
1021 | LOCK (reqlock); |
|
|
1022 | LOCK (reslock); |
868 | #if !HAVE_PREADWRITE |
1023 | #if !HAVE_PREADWRITE |
869 | pthread_mutex_lock (&preadwritelock); |
1024 | LOCK (preadwritelock); |
870 | #endif |
1025 | #endif |
871 | #if !HAVE_READDIR_R |
1026 | #if !HAVE_READDIR_R |
872 | pthread_mutex_lock (&readdirlock); |
1027 | LOCK (readdirlock); |
873 | #endif |
1028 | #endif |
874 | } |
1029 | } |
875 | |
1030 | |
876 | static void atfork_parent (void) |
1031 | static void atfork_parent (void) |
877 | { |
1032 | { |
878 | #if !HAVE_READDIR_R |
1033 | #if !HAVE_READDIR_R |
879 | pthread_mutex_unlock (&readdirlock); |
1034 | UNLOCK (readdirlock); |
880 | #endif |
1035 | #endif |
881 | #if !HAVE_PREADWRITE |
1036 | #if !HAVE_PREADWRITE |
882 | pthread_mutex_unlock (&preadwritelock); |
1037 | UNLOCK (preadwritelock); |
883 | #endif |
1038 | #endif |
884 | pthread_mutex_unlock (&reslock); |
1039 | UNLOCK (reslock); |
885 | pthread_mutex_unlock (&reqlock); |
1040 | UNLOCK (reqlock); |
|
|
1041 | UNLOCK (wrklock); |
886 | } |
1042 | } |
887 | |
1043 | |
888 | static void atfork_child (void) |
1044 | static void atfork_child (void) |
889 | { |
1045 | { |
890 | aio_req prv; |
1046 | aio_req prv; |
891 | |
1047 | |
|
|
1048 | while (prv = reqq_shift (&req_queue)) |
|
|
1049 | req_free (prv); |
|
|
1050 | |
|
|
1051 | while (prv = reqq_shift (&res_queue)) |
|
|
1052 | req_free (prv); |
|
|
1053 | |
|
|
1054 | while (wrk_first.next != &wrk_first) |
|
|
1055 | { |
|
|
1056 | worker *wrk = wrk_first.next; |
|
|
1057 | |
|
|
1058 | if (wrk->req) |
|
|
1059 | req_free (wrk->req); |
|
|
1060 | |
|
|
1061 | worker_clear (wrk); |
|
|
1062 | worker_free (wrk); |
|
|
1063 | } |
|
|
1064 | |
892 | started = 0; |
1065 | started = 0; |
893 | |
1066 | nreqs = 0; |
894 | while (reqs) |
|
|
895 | { |
|
|
896 | prv = reqs; |
|
|
897 | reqs = prv->next; |
|
|
898 | req_free (prv); |
|
|
899 | } |
|
|
900 | |
|
|
901 | reqs = reqe = 0; |
|
|
902 | |
|
|
903 | while (ress) |
|
|
904 | { |
|
|
905 | prv = ress; |
|
|
906 | ress = prv->next; |
|
|
907 | req_free (prv); |
|
|
908 | } |
|
|
909 | |
|
|
910 | ress = rese = 0; |
|
|
911 | |
1067 | |
912 | close (respipe [0]); |
1068 | close (respipe [0]); |
913 | close (respipe [1]); |
1069 | close (respipe [1]); |
914 | create_pipe (); |
1070 | create_pipe (); |
915 | |
1071 | |
916 | atfork_parent (); |
1072 | atfork_parent (); |
917 | } |
1073 | } |
918 | |
1074 | |
919 | #define dREQ \ |
1075 | #define dREQ \ |
920 | aio_req req; \ |
1076 | aio_req req; \ |
|
|
1077 | int req_pri = next_pri; \ |
|
|
1078 | next_pri = DEFAULT_PRI + PRI_BIAS; \ |
921 | \ |
1079 | \ |
922 | if (SvOK (callback) && !SvROK (callback)) \ |
1080 | if (SvOK (callback) && !SvROK (callback)) \ |
923 | croak ("callback must be undef or of reference type"); \ |
1081 | croak ("callback must be undef or of reference type"); \ |
924 | \ |
1082 | \ |
925 | Newz (0, req, 1, aio_cb); \ |
1083 | Newz (0, req, 1, aio_cb); \ |
926 | if (!req) \ |
1084 | if (!req) \ |
927 | croak ("out of memory during aio_req allocation"); \ |
1085 | croak ("out of memory during aio_req allocation"); \ |
928 | \ |
1086 | \ |
929 | req->callback = newSVsv (callback) |
1087 | req->callback = newSVsv (callback); \ |
|
|
1088 | req->pri = req_pri |
930 | |
1089 | |
931 | #define REQ_SEND \ |
1090 | #define REQ_SEND \ |
932 | req_send (req); \ |
1091 | req_send (req); \ |
933 | \ |
1092 | \ |
934 | if (GIMME_V != G_VOID) \ |
1093 | if (GIMME_V != G_VOID) \ |
… | |
… | |
1188 | |
1347 | |
1189 | REQ_SEND; |
1348 | REQ_SEND; |
1190 | } |
1349 | } |
1191 | |
1350 | |
1192 | void |
1351 | void |
1193 | aio_sleep (delay,callback=&PL_sv_undef) |
1352 | aio_busy (delay,callback=&PL_sv_undef) |
1194 | double delay |
1353 | double delay |
1195 | SV * callback |
1354 | SV * callback |
1196 | PPCODE: |
1355 | PPCODE: |
1197 | { |
1356 | { |
1198 | dREQ; |
1357 | dREQ; |
1199 | |
1358 | |
1200 | req->type = REQ_SLEEP; |
1359 | req->type = REQ_BUSY; |
1201 | req->fd = delay < 0. ? 0 : delay; |
1360 | req->fd = delay < 0. ? 0 : delay; |
1202 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1361 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
1203 | |
1362 | |
1204 | REQ_SEND; |
1363 | REQ_SEND; |
1205 | } |
1364 | } |
… | |
… | |
1209 | SV * callback |
1368 | SV * callback |
1210 | PROTOTYPE: ;$ |
1369 | PROTOTYPE: ;$ |
1211 | PPCODE: |
1370 | PPCODE: |
1212 | { |
1371 | { |
1213 | dREQ; |
1372 | dREQ; |
|
|
1373 | |
1214 | req->type = REQ_GROUP; |
1374 | req->type = REQ_GROUP; |
1215 | req_send (req); |
1375 | req_send (req); |
|
|
1376 | |
1216 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1377 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1217 | } |
1378 | } |
1218 | |
1379 | |
1219 | void |
1380 | void |
1220 | aio_nop (callback=&PL_sv_undef) |
1381 | aio_nop (callback=&PL_sv_undef) |
… | |
… | |
1225 | |
1386 | |
1226 | req->type = REQ_NOP; |
1387 | req->type = REQ_NOP; |
1227 | |
1388 | |
1228 | REQ_SEND; |
1389 | REQ_SEND; |
1229 | } |
1390 | } |
|
|
1391 | |
|
|
1392 | void |
|
|
1393 | aioreq_pri (int pri = DEFAULT_PRI) |
|
|
1394 | CODE: |
|
|
1395 | if (pri < PRI_MIN) pri = PRI_MIN; |
|
|
1396 | if (pri > PRI_MAX) pri = PRI_MAX; |
|
|
1397 | next_pri = pri + PRI_BIAS; |
|
|
1398 | |
|
|
1399 | void |
|
|
1400 | aioreq_nice (int nice = 0) |
|
|
1401 | CODE: |
|
|
1402 | nice = next_pri - nice; |
|
|
1403 | if (nice < PRI_MIN) nice = PRI_MIN; |
|
|
1404 | if (nice > PRI_MAX) nice = PRI_MAX; |
|
|
1405 | next_pri = nice + PRI_BIAS; |
1230 | |
1406 | |
1231 | void |
1407 | void |
1232 | flush () |
1408 | flush () |
1233 | PROTOTYPE: |
1409 | PROTOTYPE: |
1234 | CODE: |
1410 | CODE: |
… | |
… | |
1283 | |
1459 | |
1284 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1460 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1285 | |
1461 | |
1286 | void |
1462 | void |
1287 | cancel (aio_req_ornot req) |
1463 | cancel (aio_req_ornot req) |
1288 | PROTOTYPE: |
|
|
1289 | CODE: |
1464 | CODE: |
1290 | req_cancel (req); |
1465 | req_cancel (req); |
|
|
1466 | |
|
|
1467 | void |
|
|
1468 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
|
|
1469 | CODE: |
|
|
1470 | SvREFCNT_dec (req->callback); |
|
|
1471 | req->callback = newSVsv (callback); |
1291 | |
1472 | |
1292 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1473 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1293 | |
1474 | |
1294 | void |
1475 | void |
1295 | add (aio_req grp, ...) |
1476 | add (aio_req grp, ...) |
… | |
… | |
1323 | } |
1504 | } |
1324 | } |
1505 | } |
1325 | } |
1506 | } |
1326 | |
1507 | |
1327 | void |
1508 | void |
|
|
1509 | cancel_subs (aio_req_ornot req) |
|
|
1510 | CODE: |
|
|
1511 | req_cancel_subs (req); |
|
|
1512 | |
|
|
1513 | void |
1328 | result (aio_req grp, ...) |
1514 | result (aio_req grp, ...) |
1329 | CODE: |
1515 | CODE: |
1330 | { |
1516 | { |
1331 | int i; |
1517 | int i; |
1332 | AV *av = newAV (); |
1518 | AV *av = newAV (); |
… | |
… | |
1337 | SvREFCNT_dec (grp->data); |
1523 | SvREFCNT_dec (grp->data); |
1338 | grp->data = (SV *)av; |
1524 | grp->data = (SV *)av; |
1339 | } |
1525 | } |
1340 | |
1526 | |
1341 | void |
1527 | void |
1342 | lock (aio_req grp) |
|
|
1343 | CODE: |
|
|
1344 | ++grp->length; |
|
|
1345 | |
|
|
1346 | void |
|
|
1347 | unlock (aio_req grp) |
|
|
1348 | CODE: |
|
|
1349 | aio_grp_dec (grp); |
|
|
1350 | |
|
|
1351 | void |
|
|
1352 | feeder_limit (aio_req grp, int limit) |
1528 | limit (aio_req grp, int limit) |
1353 | CODE: |
1529 | CODE: |
1354 | grp->fd2 = limit; |
1530 | grp->fd2 = limit; |
1355 | aio_grp_feed (grp); |
1531 | aio_grp_feed (grp); |
1356 | |
1532 | |
1357 | void |
1533 | void |
1358 | set_feeder (aio_req grp, SV *callback=&PL_sv_undef) |
1534 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1359 | CODE: |
1535 | CODE: |
1360 | { |
1536 | { |
1361 | SvREFCNT_dec (grp->fh2); |
1537 | SvREFCNT_dec (grp->fh2); |
1362 | grp->fh2 = newSVsv (callback); |
1538 | grp->fh2 = newSVsv (callback); |
1363 | |
1539 | |