… | |
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9 | |
9 | |
10 | #include <pthread.h> |
10 | #include <pthread.h> |
11 | |
11 | |
12 | #include <stddef.h> |
12 | #include <stddef.h> |
13 | #include <errno.h> |
13 | #include <errno.h> |
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14 | #include <sys/time.h> |
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15 | #include <sys/select.h> |
14 | #include <sys/types.h> |
16 | #include <sys/types.h> |
15 | #include <sys/stat.h> |
17 | #include <sys/stat.h> |
16 | #include <limits.h> |
18 | #include <limits.h> |
17 | #include <unistd.h> |
19 | #include <unistd.h> |
18 | #include <fcntl.h> |
20 | #include <fcntl.h> |
… | |
… | |
53 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
55 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
54 | REQ_FSYNC, REQ_FDATASYNC, |
56 | REQ_FSYNC, REQ_FDATASYNC, |
55 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
57 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
56 | REQ_READDIR, |
58 | REQ_READDIR, |
57 | REQ_LINK, REQ_SYMLINK, |
59 | REQ_LINK, REQ_SYMLINK, |
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60 | REQ_SLEEP, |
58 | REQ_GROUP, |
61 | REQ_GROUP, |
59 | }; |
62 | }; |
60 | |
63 | |
61 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
64 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
62 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
65 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
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85 | unsigned char cancelled; |
88 | unsigned char cancelled; |
86 | } aio_cb; |
89 | } aio_cb; |
87 | |
90 | |
88 | typedef aio_cb *aio_req; |
91 | typedef aio_cb *aio_req; |
89 | typedef aio_cb *aio_req_ornot; |
92 | typedef aio_cb *aio_req_ornot; |
90 | typedef aio_cb *aio_group; |
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91 | |
93 | |
92 | static int started, wanted; |
94 | static int started, wanted; |
93 | static volatile int nreqs; |
95 | static volatile int nreqs; |
94 | static int max_outstanding = 1<<30; |
96 | static int max_outstanding = 1<<30; |
95 | static int respipe [2]; |
97 | static int respipe [2]; |
… | |
… | |
99 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
101 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
100 | |
102 | |
101 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
103 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
102 | static volatile aio_req ress, rese; /* queue start, queue end */ |
104 | static volatile aio_req ress, rese; /* queue start, queue end */ |
103 | |
105 | |
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106 | static void req_free (aio_req req); |
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107 | |
104 | /* must be called at most once */ |
108 | /* must be called at most once */ |
105 | static SV *req_sv (aio_req req, const char *klass) |
109 | static SV *req_sv (aio_req req, const char *klass) |
106 | { |
110 | { |
107 | req->self = (SV *)newHV (); |
111 | req->self = (SV *)newHV (); |
108 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
112 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
109 | |
113 | |
110 | return sv_2mortal (sv_bless (newRV_noinc (req->self), gv_stashpv (klass, 1))); |
114 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
111 | } |
115 | } |
112 | |
116 | |
113 | static aio_req SvAIO_REQ (SV *sv, const char *klass) |
117 | static aio_req SvAIO_REQ (SV *sv) |
114 | { |
118 | { |
115 | if (!sv_derived_from (sv, klass) || !SvROK (sv)) |
119 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
116 | croak ("object of class %s expected", klass); |
120 | croak ("object of class " AIO_REQ_KLASS " expected"); |
117 | |
121 | |
118 | MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
122 | MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
119 | |
123 | |
120 | return mg ? (aio_req)mg->mg_ptr : 0; |
124 | return mg ? (aio_req)mg->mg_ptr : 0; |
121 | } |
125 | } |
122 | |
126 | |
123 | static void req_free (aio_req req) |
127 | static void poll_wait () |
124 | { |
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125 | if (req->self) |
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126 | { |
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127 | sv_unmagic (req->self, PERL_MAGIC_ext); |
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128 | SvREFCNT_dec (req->self); |
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129 | } |
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130 | |
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131 | if (req->data) |
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132 | SvREFCNT_dec (req->data); |
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133 | |
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134 | if (req->fh) |
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135 | SvREFCNT_dec (req->fh); |
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136 | |
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137 | if (req->fh2) |
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138 | SvREFCNT_dec (req->fh2); |
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139 | |
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140 | if (req->statdata) |
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141 | Safefree (req->statdata); |
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142 | |
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143 | if (req->callback) |
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144 | SvREFCNT_dec (req->callback); |
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145 | |
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146 | if (req->type == REQ_READDIR && req->result >= 0) |
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147 | free (req->data2ptr); |
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148 | |
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149 | Safefree (req); |
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150 | } |
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151 | |
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152 | static void |
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153 | poll_wait () |
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154 | { |
128 | { |
155 | if (nreqs && !ress) |
129 | if (nreqs && !ress) |
156 | { |
130 | { |
157 | fd_set rfd; |
131 | fd_set rfd; |
158 | FD_ZERO(&rfd); |
132 | FD_ZERO(&rfd); |
… | |
… | |
160 | |
134 | |
161 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
135 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
162 | } |
136 | } |
163 | } |
137 | } |
164 | |
138 | |
165 | static int |
139 | static void req_invoke (aio_req req) |
166 | poll_cb () |
140 | { |
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141 | dSP; |
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142 | int errorno = errno; |
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143 | |
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144 | if (req->cancelled || !SvOK (req->callback)) |
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145 | return; |
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146 | |
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147 | errno = req->errorno; |
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148 | |
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149 | ENTER; |
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150 | PUSHMARK (SP); |
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151 | EXTEND (SP, 1); |
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152 | |
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153 | switch (req->type) |
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154 | { |
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155 | case REQ_READDIR: |
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156 | { |
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157 | SV *rv = &PL_sv_undef; |
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158 | |
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159 | if (req->result >= 0) |
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160 | { |
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161 | char *buf = req->data2ptr; |
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162 | AV *av = newAV (); |
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163 | |
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164 | while (req->result) |
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165 | { |
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166 | SV *sv = newSVpv (buf, 0); |
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167 | |
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168 | av_push (av, sv); |
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169 | buf += SvCUR (sv) + 1; |
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170 | req->result--; |
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171 | } |
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172 | |
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173 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
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174 | } |
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175 | |
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176 | PUSHs (rv); |
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177 | } |
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178 | break; |
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179 | |
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180 | case REQ_OPEN: |
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181 | { |
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182 | /* convert fd to fh */ |
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183 | SV *fh; |
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184 | |
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185 | PUSHs (sv_2mortal (newSViv (req->result))); |
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186 | PUTBACK; |
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187 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
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188 | SPAGAIN; |
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189 | |
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190 | fh = SvREFCNT_inc (POPs); |
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191 | |
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192 | PUSHMARK (SP); |
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193 | XPUSHs (sv_2mortal (fh)); |
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194 | } |
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195 | break; |
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196 | |
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197 | case REQ_GROUP: |
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198 | if (req->data) |
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199 | { |
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200 | int i; |
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201 | AV *av = (AV *)req->data; |
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202 | |
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203 | EXTEND (SP, AvFILL (av) + 1); |
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204 | for (i = 0; i <= AvFILL (av); ++i) |
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205 | PUSHs (*av_fetch (av, i, 0)); |
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206 | } |
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207 | break; |
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208 | |
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209 | case REQ_SLEEP: |
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210 | break; |
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211 | |
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212 | default: |
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213 | PUSHs (sv_2mortal (newSViv (req->result))); |
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214 | break; |
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215 | } |
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216 | |
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217 | |
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218 | PUTBACK; |
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219 | call_sv (req->callback, G_VOID | G_EVAL); |
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220 | SPAGAIN; |
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221 | |
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222 | if (SvTRUE (ERRSV)) |
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223 | { |
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224 | req_free (req); |
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225 | croak (0); |
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226 | } |
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227 | |
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228 | LEAVE; |
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229 | |
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230 | errno = errorno; |
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231 | } |
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232 | |
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233 | static void req_free (aio_req req) |
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234 | { |
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235 | if (req->grp) |
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236 | { |
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237 | aio_req grp = req->grp; |
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238 | |
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239 | /* unlink request */ |
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240 | req->grp_next->grp_prev = req->grp_prev; |
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241 | req->grp_prev->grp_next = req->grp_next; |
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242 | |
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243 | if (grp->grp_next == grp && grp->fd) |
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244 | { |
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245 | req_invoke (grp); |
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246 | req_free (grp); |
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247 | } |
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248 | } |
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249 | |
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250 | if (req->self) |
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251 | { |
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252 | sv_unmagic (req->self, PERL_MAGIC_ext); |
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253 | SvREFCNT_dec (req->self); |
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254 | } |
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255 | |
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256 | if (req->data) |
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257 | SvREFCNT_dec (req->data); |
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258 | |
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259 | if (req->fh) |
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260 | SvREFCNT_dec (req->fh); |
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261 | |
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262 | if (req->fh2) |
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263 | SvREFCNT_dec (req->fh2); |
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264 | |
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265 | if (req->statdata) |
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266 | Safefree (req->statdata); |
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267 | |
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268 | if (req->callback) |
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269 | SvREFCNT_dec (req->callback); |
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270 | |
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271 | if (req->type == REQ_READDIR && req->result >= 0) |
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272 | free (req->data2ptr); |
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273 | |
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274 | Safefree (req); |
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275 | } |
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276 | |
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277 | static void req_cancel (aio_req req) |
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278 | { |
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279 | req->cancelled = 1; |
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280 | |
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281 | if (req->type == REQ_GROUP) |
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282 | { |
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283 | aio_req sub; |
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284 | |
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285 | for (sub = req->grp_next; sub != req; sub = sub->grp_next) |
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286 | req_cancel (sub); |
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287 | } |
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288 | } |
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289 | |
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290 | static int poll_cb () |
167 | { |
291 | { |
168 | dSP; |
292 | dSP; |
169 | int count = 0; |
293 | int count = 0; |
170 | int do_croak = 0; |
294 | int do_croak = 0; |
171 | aio_req req; |
295 | aio_req req; |
… | |
… | |
197 | |
321 | |
198 | nreqs--; |
322 | nreqs--; |
199 | |
323 | |
200 | if (req->type == REQ_QUIT) |
324 | if (req->type == REQ_QUIT) |
201 | started--; |
325 | started--; |
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326 | else if (req->type == REQ_GROUP && req->grp_next != req) |
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327 | { |
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328 | req->fd = 1; /* mark request as delayed */ |
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329 | continue; |
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330 | } |
202 | else |
331 | else |
203 | { |
332 | { |
204 | int errorno = errno; |
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205 | errno = req->errorno; |
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206 | |
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207 | if (req->type == REQ_READ) |
333 | if (req->type == REQ_READ) |
208 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
334 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
209 | |
335 | |
210 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
336 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
211 | SvREADONLY_off (req->data); |
337 | SvREADONLY_off (req->data); |
… | |
… | |
215 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
341 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
216 | PL_laststatval = req->result; |
342 | PL_laststatval = req->result; |
217 | PL_statcache = *(req->statdata); |
343 | PL_statcache = *(req->statdata); |
218 | } |
344 | } |
219 | |
345 | |
220 | ENTER; |
346 | req_invoke (req); |
221 | PUSHMARK (SP); |
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222 | |
347 | |
223 | if (req->type == REQ_READDIR) |
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224 | { |
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225 | SV *rv = &PL_sv_undef; |
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226 | |
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227 | if (req->result >= 0) |
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228 | { |
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229 | char *buf = req->data2ptr; |
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230 | AV *av = newAV (); |
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231 | |
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232 | while (req->result) |
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233 | { |
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234 | SV *sv = newSVpv (buf, 0); |
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235 | |
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236 | av_push (av, sv); |
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237 | buf += SvCUR (sv) + 1; |
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238 | req->result--; |
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239 | } |
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240 | |
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241 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
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242 | } |
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243 | |
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244 | XPUSHs (rv); |
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245 | } |
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246 | else |
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247 | { |
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248 | XPUSHs (sv_2mortal (newSViv (req->result))); |
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249 | |
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250 | if (req->type == REQ_OPEN) |
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251 | { |
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252 | /* convert fd to fh */ |
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253 | SV *fh; |
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254 | |
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255 | PUTBACK; |
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256 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
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257 | SPAGAIN; |
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258 | |
|
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259 | fh = SvREFCNT_inc (POPs); |
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260 | |
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261 | PUSHMARK (SP); |
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262 | XPUSHs (sv_2mortal (fh)); |
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263 | } |
|
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264 | } |
|
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265 | |
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266 | if (SvOK (req->callback) && !req->cancelled) |
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267 | { |
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268 | PUTBACK; |
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269 | call_sv (req->callback, G_VOID | G_EVAL); |
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270 | SPAGAIN; |
|
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271 | |
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272 | if (SvTRUE (ERRSV)) |
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273 | { |
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274 | req_free (req); |
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275 | croak (0); |
|
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276 | } |
|
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277 | } |
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278 | |
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279 | LEAVE; |
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280 | |
|
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281 | errno = errorno; |
|
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282 | count++; |
348 | count++; |
283 | } |
349 | } |
284 | |
350 | |
285 | req_free (req); |
351 | req_free (req); |
286 | } |
352 | } |
… | |
… | |
288 | return count; |
354 | return count; |
289 | } |
355 | } |
290 | |
356 | |
291 | static void *aio_proc(void *arg); |
357 | static void *aio_proc(void *arg); |
292 | |
358 | |
293 | static void |
|
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294 | start_thread (void) |
359 | static void start_thread (void) |
295 | { |
360 | { |
296 | sigset_t fullsigset, oldsigset; |
361 | sigset_t fullsigset, oldsigset; |
297 | pthread_t tid; |
362 | pthread_t tid; |
298 | pthread_attr_t attr; |
363 | pthread_attr_t attr; |
299 | |
364 | |
… | |
… | |
308 | started++; |
373 | started++; |
309 | |
374 | |
310 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
375 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
311 | } |
376 | } |
312 | |
377 | |
313 | static void |
|
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314 | req_send (aio_req req) |
378 | static void req_send (aio_req req) |
315 | { |
379 | { |
316 | while (started < wanted && nreqs >= started) |
380 | while (started < wanted && nreqs >= started) |
317 | start_thread (); |
381 | start_thread (); |
318 | |
382 | |
319 | nreqs++; |
383 | nreqs++; |
… | |
… | |
343 | |
407 | |
344 | poll_wait (); |
408 | poll_wait (); |
345 | } |
409 | } |
346 | } |
410 | } |
347 | |
411 | |
348 | static void |
412 | static void end_thread (void) |
349 | end_thread (void) |
|
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350 | { |
413 | { |
351 | aio_req req; |
414 | aio_req req; |
352 | Newz (0, req, 1, aio_cb); |
415 | Newz (0, req, 1, aio_cb); |
353 | req->type = REQ_QUIT; |
416 | req->type = REQ_QUIT; |
354 | |
417 | |
… | |
… | |
405 | * normal read/write by using a mutex. slows down execution a lot, |
468 | * normal read/write by using a mutex. slows down execution a lot, |
406 | * but that's your problem, not mine. |
469 | * but that's your problem, not mine. |
407 | */ |
470 | */ |
408 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
471 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
409 | |
472 | |
410 | static ssize_t |
473 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
411 | pread (int fd, void *buf, size_t count, off_t offset) |
|
|
412 | { |
474 | { |
413 | ssize_t res; |
475 | ssize_t res; |
414 | off_t ooffset; |
476 | off_t ooffset; |
415 | |
477 | |
416 | pthread_mutex_lock (&preadwritelock); |
478 | pthread_mutex_lock (&preadwritelock); |
… | |
… | |
421 | pthread_mutex_unlock (&preadwritelock); |
483 | pthread_mutex_unlock (&preadwritelock); |
422 | |
484 | |
423 | return res; |
485 | return res; |
424 | } |
486 | } |
425 | |
487 | |
426 | static ssize_t |
|
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427 | pwrite (int fd, void *buf, size_t count, off_t offset) |
488 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
428 | { |
489 | { |
429 | ssize_t res; |
490 | ssize_t res; |
430 | off_t ooffset; |
491 | off_t ooffset; |
431 | |
492 | |
432 | pthread_mutex_lock (&preadwritelock); |
493 | pthread_mutex_lock (&preadwritelock); |
… | |
… | |
445 | #endif |
506 | #endif |
446 | |
507 | |
447 | #if !HAVE_READAHEAD |
508 | #if !HAVE_READAHEAD |
448 | # define readahead aio_readahead |
509 | # define readahead aio_readahead |
449 | |
510 | |
450 | static ssize_t |
|
|
451 | readahead (int fd, off_t offset, size_t count) |
511 | static ssize_t readahead (int fd, off_t offset, size_t count) |
452 | { |
512 | { |
453 | char readahead_buf[4096]; |
513 | char readahead_buf[4096]; |
454 | |
514 | |
455 | while (count > 0) |
515 | while (count > 0) |
456 | { |
516 | { |
… | |
… | |
468 | #if !HAVE_READDIR_R |
528 | #if !HAVE_READDIR_R |
469 | # define readdir_r aio_readdir_r |
529 | # define readdir_r aio_readdir_r |
470 | |
530 | |
471 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
531 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
472 | |
532 | |
473 | static int |
|
|
474 | readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
533 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
475 | { |
534 | { |
476 | struct dirent *e; |
535 | struct dirent *e; |
477 | int errorno; |
536 | int errorno; |
478 | |
537 | |
479 | pthread_mutex_lock (&readdirlock); |
538 | pthread_mutex_lock (&readdirlock); |
… | |
… | |
495 | return e ? 0 : -1; |
554 | return e ? 0 : -1; |
496 | } |
555 | } |
497 | #endif |
556 | #endif |
498 | |
557 | |
499 | /* sendfile always needs emulation */ |
558 | /* sendfile always needs emulation */ |
500 | static ssize_t |
|
|
501 | sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
559 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
502 | { |
560 | { |
503 | ssize_t res; |
561 | ssize_t res; |
504 | |
562 | |
505 | if (!count) |
563 | if (!count) |
506 | return 0; |
564 | return 0; |
… | |
… | |
588 | |
646 | |
589 | return res; |
647 | return res; |
590 | } |
648 | } |
591 | |
649 | |
592 | /* read a full directory */ |
650 | /* read a full directory */ |
593 | static int |
|
|
594 | scandir_ (const char *path, void **namesp) |
651 | static int scandir_ (const char *path, void **namesp) |
595 | { |
652 | { |
596 | DIR *dirp = opendir (path); |
653 | DIR *dirp = opendir (path); |
597 | union |
654 | union |
598 | { |
655 | { |
599 | struct dirent d; |
656 | struct dirent d; |
… | |
… | |
653 | return res; |
710 | return res; |
654 | } |
711 | } |
655 | |
712 | |
656 | /*****************************************************************************/ |
713 | /*****************************************************************************/ |
657 | |
714 | |
658 | static void * |
|
|
659 | aio_proc (void *thr_arg) |
715 | static void *aio_proc (void *thr_arg) |
660 | { |
716 | { |
661 | aio_req req; |
717 | aio_req req; |
662 | int type; |
718 | int type; |
663 | |
719 | |
664 | do |
720 | do |
… | |
… | |
707 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
763 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
708 | |
764 | |
709 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
765 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
710 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
766 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
711 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
767 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
|
|
768 | |
|
|
769 | case REQ_SLEEP: |
|
|
770 | { |
|
|
771 | struct timeval tv; |
|
|
772 | |
|
|
773 | tv.tv_sec = req->fd; |
|
|
774 | tv.tv_usec = req->fd2; |
|
|
775 | |
|
|
776 | req->result = select (0, 0, 0, 0, &tv); |
|
|
777 | } |
712 | |
778 | |
713 | case REQ_QUIT: |
779 | case REQ_QUIT: |
714 | break; |
780 | break; |
715 | |
781 | |
716 | default: |
782 | default: |
… | |
… | |
1073 | |
1139 | |
1074 | REQ_SEND; |
1140 | REQ_SEND; |
1075 | } |
1141 | } |
1076 | |
1142 | |
1077 | void |
1143 | void |
|
|
1144 | aio_sleep (delay,callback=&PL_sv_undef) |
|
|
1145 | double delay |
|
|
1146 | SV * callback |
|
|
1147 | PPCODE: |
|
|
1148 | { |
|
|
1149 | dREQ; |
|
|
1150 | |
|
|
1151 | req->type = REQ_SLEEP; |
|
|
1152 | req->fd = delay < 0. ? 0 : delay; |
|
|
1153 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
|
|
1154 | |
|
|
1155 | REQ_SEND; |
|
|
1156 | } |
|
|
1157 | |
|
|
1158 | void |
1078 | aio_group (callback=&PL_sv_undef) |
1159 | aio_group (callback=&PL_sv_undef) |
1079 | SV * callback |
1160 | SV * callback |
1080 | PROTOTYPE: ;& |
1161 | PROTOTYPE: ;$ |
1081 | PPCODE: |
1162 | PPCODE: |
1082 | { |
1163 | { |
1083 | dREQ; |
1164 | dREQ; |
1084 | req->type = REQ_GROUP; |
1165 | req->type = REQ_GROUP; |
|
|
1166 | req->grp_next = req; |
|
|
1167 | req->grp_prev = req; |
|
|
1168 | |
|
|
1169 | req_send (req); |
1085 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1170 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1086 | } |
1171 | } |
1087 | |
1172 | |
1088 | void |
1173 | void |
1089 | flush () |
1174 | flush () |
… | |
… | |
1134 | CODE: |
1219 | CODE: |
1135 | RETVAL = nreqs; |
1220 | RETVAL = nreqs; |
1136 | OUTPUT: |
1221 | OUTPUT: |
1137 | RETVAL |
1222 | RETVAL |
1138 | |
1223 | |
|
|
1224 | PROTOTYPES: DISABLE |
|
|
1225 | |
1139 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1226 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1140 | |
1227 | |
1141 | void |
1228 | void |
1142 | cancel (aio_req_ornot req) |
1229 | cancel (aio_req_ornot req) |
1143 | PROTOTYPE: |
1230 | PROTOTYPE: |
1144 | CODE: |
1231 | CODE: |
1145 | req->cancelled = 1; |
1232 | req_cancel (req); |
1146 | |
1233 | |
|
|
1234 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
|
|
1235 | |
|
|
1236 | void |
|
|
1237 | add (aio_req grp, ...) |
|
|
1238 | PPCODE: |
|
|
1239 | { |
|
|
1240 | int i; |
|
|
1241 | |
|
|
1242 | for (i = 1; i < items; ++i ) |
|
|
1243 | { |
|
|
1244 | if (GIMME_V != G_VOID) |
|
|
1245 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
|
|
1246 | |
|
|
1247 | aio_req req = SvAIO_REQ (ST (i)); |
|
|
1248 | |
|
|
1249 | if (req) |
|
|
1250 | { |
|
|
1251 | req->grp_prev = grp; |
|
|
1252 | req->grp_next = grp->grp_next; |
|
|
1253 | grp->grp_next->grp_prev = req; |
|
|
1254 | grp->grp_next = req; |
|
|
1255 | |
|
|
1256 | req->grp = grp; |
|
|
1257 | } |
|
|
1258 | } |
|
|
1259 | } |
|
|
1260 | |
|
|
1261 | void |
|
|
1262 | result (aio_req grp, ...) |
|
|
1263 | CODE: |
|
|
1264 | { |
|
|
1265 | int i; |
|
|
1266 | AV *av = newAV (); |
|
|
1267 | |
|
|
1268 | if (grp->data) |
|
|
1269 | SvREFCNT_dec (grp->data); |
|
|
1270 | |
|
|
1271 | for (i = 1; i < items; ++i ) |
|
|
1272 | av_push (av, newSVsv (ST (i))); |
|
|
1273 | |
|
|
1274 | grp->data = (SV *)av; |
|
|
1275 | } |
|
|
1276 | |