… | |
… | |
8 | #include "autoconf/config.h" |
8 | #include "autoconf/config.h" |
9 | |
9 | |
10 | #include <pthread.h> |
10 | #include <pthread.h> |
11 | |
11 | |
12 | #include <stddef.h> |
12 | #include <stddef.h> |
|
|
13 | #include <errno.h> |
|
|
14 | #include <sys/time.h> |
|
|
15 | #include <sys/select.h> |
13 | #include <sys/types.h> |
16 | #include <sys/types.h> |
14 | #include <sys/stat.h> |
17 | #include <sys/stat.h> |
15 | #include <limits.h> |
18 | #include <limits.h> |
16 | #include <unistd.h> |
19 | #include <unistd.h> |
17 | #include <fcntl.h> |
20 | #include <fcntl.h> |
… | |
… | |
52 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
55 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
53 | REQ_FSYNC, REQ_FDATASYNC, |
56 | REQ_FSYNC, REQ_FDATASYNC, |
54 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
57 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
55 | REQ_READDIR, |
58 | REQ_READDIR, |
56 | REQ_LINK, REQ_SYMLINK, |
59 | REQ_LINK, REQ_SYMLINK, |
|
|
60 | REQ_SLEEP, |
|
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61 | REQ_GROUP, |
57 | }; |
62 | }; |
58 | |
63 | |
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|
64 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
|
|
65 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
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66 | |
59 | typedef struct aio_cb { |
67 | typedef struct aio_cb |
|
|
68 | { |
60 | struct aio_cb *volatile next; |
69 | struct aio_cb *volatile next; |
61 | |
70 | |
62 | int type; |
71 | struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; |
63 | |
72 | |
64 | /* should receive a cleanup, with unions */ |
73 | SV *self; /* the perl counterpart of this request, if any */ |
65 | int fd, fd2; |
74 | |
|
|
75 | SV *data, *callback; |
|
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76 | SV *fh, *fh2; |
|
|
77 | void *dataptr, *data2ptr; |
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|
78 | Stat_t *statdata; |
66 | off_t offset; |
79 | off_t offset; |
67 | size_t length; |
80 | size_t length; |
68 | ssize_t result; |
81 | ssize_t result; |
|
|
82 | |
|
|
83 | int type; |
|
|
84 | int fd, fd2; |
|
|
85 | int errorno; |
|
|
86 | STRLEN dataoffset; |
69 | mode_t mode; /* open */ |
87 | mode_t mode; /* open */ |
70 | int errorno; |
88 | unsigned char cancelled; |
71 | SV *data, *callback; |
|
|
72 | SV *fh, *fh2; |
|
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73 | void *dataptr, *data2ptr; |
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74 | STRLEN dataoffset; |
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75 | |
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76 | Stat_t *statdata; |
|
|
77 | } aio_cb; |
89 | } aio_cb; |
78 | |
90 | |
79 | typedef aio_cb *aio_req; |
91 | typedef aio_cb *aio_req; |
|
|
92 | typedef aio_cb *aio_req_ornot; |
80 | |
93 | |
81 | static int started, wanted; |
94 | static int started, wanted; |
82 | static volatile int nreqs; |
95 | static volatile int nreqs; |
83 | static int max_outstanding = 1<<30; |
96 | static int max_outstanding = 1<<30; |
84 | static int respipe [2]; |
97 | static int respipe [2]; |
… | |
… | |
88 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
101 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
89 | |
102 | |
90 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
103 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
91 | static volatile aio_req ress, rese; /* queue start, queue end */ |
104 | static volatile aio_req ress, rese; /* queue start, queue end */ |
92 | |
105 | |
|
|
106 | static void req_invoke (aio_req req); |
93 | static void free_req (aio_req req) |
107 | static void req_free (aio_req req); |
94 | { |
|
|
95 | if (req->data) |
|
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96 | SvREFCNT_dec (req->data); |
|
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97 | |
108 | |
|
|
109 | /* must be called at most once */ |
|
|
110 | static SV *req_sv (aio_req req, const char *klass) |
|
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111 | { |
98 | if (req->fh) |
112 | if (!req->self) |
99 | SvREFCNT_dec (req->fh); |
113 | { |
|
|
114 | req->self = (SV *)newHV (); |
|
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115 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
|
|
116 | } |
100 | |
117 | |
101 | if (req->fh2) |
118 | return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
|
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119 | } |
|
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120 | |
|
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121 | static aio_req SvAIO_REQ (SV *sv) |
|
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122 | { |
|
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123 | if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
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124 | croak ("object of class " AIO_REQ_KLASS " expected"); |
|
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125 | |
|
|
126 | MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
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127 | |
|
|
128 | return mg ? (aio_req)mg->mg_ptr : 0; |
|
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129 | } |
|
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130 | |
|
|
131 | static void aio_grp_feed (aio_req grp) |
|
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132 | { |
|
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133 | while (grp->length < grp->fd2) |
|
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134 | { |
|
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135 | int old_len = grp->length; |
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136 | |
|
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137 | if (grp->fh2 && SvOK (grp->fh2)) |
|
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138 | { |
|
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139 | dSP; |
|
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140 | |
|
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141 | ENTER; |
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142 | SAVETMPS; |
|
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143 | PUSHMARK (SP); |
|
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144 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
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145 | PUTBACK; |
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146 | call_sv (grp->fh2, G_VOID | G_EVAL); |
|
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147 | SPAGAIN; |
|
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148 | FREETMPS; |
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149 | LEAVE; |
|
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150 | } |
|
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151 | |
|
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152 | /* stop if no progress has been made */ |
|
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153 | if (old_len == grp->length) |
|
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154 | { |
102 | SvREFCNT_dec (req->fh2); |
155 | SvREFCNT_dec (grp->fh2); |
103 | |
156 | grp->fh2 = 0; |
104 | if (req->statdata) |
157 | break; |
105 | Safefree (req->statdata); |
158 | } |
106 | |
159 | } |
107 | if (req->callback) |
|
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108 | SvREFCNT_dec (req->callback); |
|
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109 | |
|
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110 | if (req->type == REQ_READDIR && req->result >= 0) |
|
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111 | free (req->data2ptr); |
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112 | |
|
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113 | Safefree (req); |
|
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114 | } |
160 | } |
115 | |
161 | |
116 | static void |
162 | static void aio_grp_dec (aio_req grp) |
117 | poll_wait () |
163 | { |
|
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164 | --grp->length; |
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165 | |
|
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166 | /* call feeder, if applicable */ |
|
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167 | aio_grp_feed (grp); |
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168 | |
|
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169 | /* finish, if done */ |
|
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170 | if (!grp->length && grp->fd) |
|
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171 | { |
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172 | req_invoke (grp); |
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173 | req_free (grp); |
|
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174 | } |
|
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175 | } |
|
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176 | |
|
|
177 | static void poll_wait () |
118 | { |
178 | { |
119 | if (nreqs && !ress) |
179 | if (nreqs && !ress) |
120 | { |
180 | { |
121 | fd_set rfd; |
181 | fd_set rfd; |
122 | FD_ZERO(&rfd); |
182 | FD_ZERO(&rfd); |
… | |
… | |
124 | |
184 | |
125 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
185 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
126 | } |
186 | } |
127 | } |
187 | } |
128 | |
188 | |
129 | static int |
189 | static void req_invoke (aio_req req) |
130 | poll_cb () |
190 | { |
|
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191 | dSP; |
|
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192 | int errorno = errno; |
|
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193 | |
|
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194 | if (req->cancelled || !SvOK (req->callback)) |
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195 | return; |
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196 | |
|
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197 | errno = req->errorno; |
|
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198 | |
|
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199 | ENTER; |
|
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200 | SAVETMPS; |
|
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201 | PUSHMARK (SP); |
|
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202 | EXTEND (SP, 1); |
|
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203 | |
|
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204 | switch (req->type) |
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205 | { |
|
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206 | case REQ_READDIR: |
|
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207 | { |
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208 | SV *rv = &PL_sv_undef; |
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209 | |
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210 | if (req->result >= 0) |
|
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211 | { |
|
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212 | char *buf = req->data2ptr; |
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213 | AV *av = newAV (); |
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214 | |
|
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215 | while (req->result) |
|
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216 | { |
|
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217 | SV *sv = newSVpv (buf, 0); |
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218 | |
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219 | av_push (av, sv); |
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220 | buf += SvCUR (sv) + 1; |
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221 | req->result--; |
|
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222 | } |
|
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223 | |
|
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224 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
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225 | } |
|
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226 | |
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227 | PUSHs (rv); |
|
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228 | } |
|
|
229 | break; |
|
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230 | |
|
|
231 | case REQ_OPEN: |
|
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232 | { |
|
|
233 | /* convert fd to fh */ |
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234 | SV *fh; |
|
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235 | |
|
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236 | PUSHs (sv_2mortal (newSViv (req->result))); |
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237 | PUTBACK; |
|
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238 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
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239 | SPAGAIN; |
|
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240 | |
|
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241 | fh = SvREFCNT_inc (POPs); |
|
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242 | |
|
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243 | PUSHMARK (SP); |
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244 | XPUSHs (sv_2mortal (fh)); |
|
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245 | } |
|
|
246 | break; |
|
|
247 | |
|
|
248 | case REQ_GROUP: |
|
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249 | req->fd = 2; /* mark group as finished */ |
|
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250 | |
|
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251 | if (req->data) |
|
|
252 | { |
|
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253 | int i; |
|
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254 | AV *av = (AV *)req->data; |
|
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255 | |
|
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256 | EXTEND (SP, AvFILL (av) + 1); |
|
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257 | for (i = 0; i <= AvFILL (av); ++i) |
|
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258 | PUSHs (*av_fetch (av, i, 0)); |
|
|
259 | } |
|
|
260 | break; |
|
|
261 | |
|
|
262 | case REQ_SLEEP: |
|
|
263 | break; |
|
|
264 | |
|
|
265 | default: |
|
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266 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
267 | break; |
|
|
268 | } |
|
|
269 | |
|
|
270 | |
|
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271 | PUTBACK; |
|
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272 | call_sv (req->callback, G_VOID | G_EVAL); |
|
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273 | SPAGAIN; |
|
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274 | |
|
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275 | FREETMPS; |
|
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276 | LEAVE; |
|
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277 | |
|
|
278 | errno = errorno; |
|
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279 | |
|
|
280 | if (SvTRUE (ERRSV)) |
|
|
281 | { |
|
|
282 | req_free (req); |
|
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283 | croak (0); |
|
|
284 | } |
|
|
285 | } |
|
|
286 | |
|
|
287 | static void req_free (aio_req req) |
|
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288 | { |
|
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289 | if (req->grp) |
|
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290 | { |
|
|
291 | aio_req grp = req->grp; |
|
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292 | |
|
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293 | /* unlink request */ |
|
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294 | if (req->grp_next) req->grp_next->grp_prev = req->grp_prev; |
|
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295 | if (req->grp_prev) req->grp_prev->grp_next = req->grp_next; |
|
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296 | |
|
|
297 | if (grp->grp_first == req) |
|
|
298 | grp->grp_first = req->grp_next; |
|
|
299 | |
|
|
300 | aio_grp_dec (grp); |
|
|
301 | } |
|
|
302 | |
|
|
303 | if (req->self) |
|
|
304 | { |
|
|
305 | sv_unmagic (req->self, PERL_MAGIC_ext); |
|
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306 | SvREFCNT_dec (req->self); |
|
|
307 | } |
|
|
308 | |
|
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309 | SvREFCNT_dec (req->data); |
|
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310 | SvREFCNT_dec (req->fh); |
|
|
311 | SvREFCNT_dec (req->fh2); |
|
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312 | SvREFCNT_dec (req->callback); |
|
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313 | Safefree (req->statdata); |
|
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314 | |
|
|
315 | if (req->type == REQ_READDIR && req->result >= 0) |
|
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316 | free (req->data2ptr); |
|
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317 | |
|
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318 | Safefree (req); |
|
|
319 | } |
|
|
320 | |
|
|
321 | static void req_cancel (aio_req req) |
|
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322 | { |
|
|
323 | req->cancelled = 1; |
|
|
324 | |
|
|
325 | if (req->type == REQ_GROUP) |
|
|
326 | { |
|
|
327 | aio_req sub; |
|
|
328 | |
|
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329 | for (sub = req->grp_first; sub; sub = sub->grp_next) |
|
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330 | req_cancel (sub); |
|
|
331 | } |
|
|
332 | } |
|
|
333 | |
|
|
334 | static int poll_cb () |
131 | { |
335 | { |
132 | dSP; |
336 | dSP; |
133 | int count = 0; |
337 | int count = 0; |
134 | int do_croak = 0; |
338 | int do_croak = 0; |
135 | aio_req req; |
339 | aio_req req; |
… | |
… | |
157 | pthread_mutex_unlock (&reslock); |
361 | pthread_mutex_unlock (&reslock); |
158 | |
362 | |
159 | if (!req) |
363 | if (!req) |
160 | break; |
364 | break; |
161 | |
365 | |
162 | nreqs--; |
366 | --nreqs; |
163 | |
367 | |
164 | if (req->type == REQ_QUIT) |
368 | if (req->type == REQ_QUIT) |
165 | started--; |
369 | started--; |
|
|
370 | else if (req->type == REQ_GROUP && req->length) |
|
|
371 | { |
|
|
372 | req->fd = 1; /* mark request as delayed */ |
|
|
373 | continue; |
|
|
374 | } |
166 | else |
375 | else |
167 | { |
376 | { |
168 | int errorno = errno; |
|
|
169 | errno = req->errorno; |
|
|
170 | |
|
|
171 | if (req->type == REQ_READ) |
377 | if (req->type == REQ_READ) |
172 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
378 | SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); |
173 | |
379 | |
174 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
380 | if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) |
175 | SvREADONLY_off (req->data); |
381 | SvREADONLY_off (req->data); |
… | |
… | |
179 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
385 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
180 | PL_laststatval = req->result; |
386 | PL_laststatval = req->result; |
181 | PL_statcache = *(req->statdata); |
387 | PL_statcache = *(req->statdata); |
182 | } |
388 | } |
183 | |
389 | |
184 | ENTER; |
390 | req_invoke (req); |
185 | PUSHMARK (SP); |
|
|
186 | |
391 | |
187 | if (req->type == REQ_READDIR) |
|
|
188 | { |
|
|
189 | SV *rv = &PL_sv_undef; |
|
|
190 | |
|
|
191 | if (req->result >= 0) |
|
|
192 | { |
|
|
193 | char *buf = req->data2ptr; |
|
|
194 | AV *av = newAV (); |
|
|
195 | |
|
|
196 | while (req->result) |
|
|
197 | { |
|
|
198 | SV *sv = newSVpv (buf, 0); |
|
|
199 | |
|
|
200 | av_push (av, sv); |
|
|
201 | buf += SvCUR (sv) + 1; |
|
|
202 | req->result--; |
|
|
203 | } |
|
|
204 | |
|
|
205 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
|
|
206 | } |
|
|
207 | |
|
|
208 | XPUSHs (rv); |
|
|
209 | } |
|
|
210 | else |
|
|
211 | { |
|
|
212 | XPUSHs (sv_2mortal (newSViv (req->result))); |
|
|
213 | |
|
|
214 | if (req->type == REQ_OPEN) |
|
|
215 | { |
|
|
216 | /* convert fd to fh */ |
|
|
217 | SV *fh; |
|
|
218 | |
|
|
219 | PUTBACK; |
|
|
220 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
221 | SPAGAIN; |
|
|
222 | |
|
|
223 | fh = SvREFCNT_inc (POPs); |
|
|
224 | |
|
|
225 | PUSHMARK (SP); |
|
|
226 | XPUSHs (sv_2mortal (fh)); |
|
|
227 | } |
|
|
228 | } |
|
|
229 | |
|
|
230 | if (SvOK (req->callback)) |
|
|
231 | { |
|
|
232 | PUTBACK; |
|
|
233 | call_sv (req->callback, G_VOID | G_EVAL); |
|
|
234 | SPAGAIN; |
|
|
235 | |
|
|
236 | if (SvTRUE (ERRSV)) |
|
|
237 | { |
|
|
238 | free_req (req); |
|
|
239 | croak (0); |
|
|
240 | } |
|
|
241 | } |
|
|
242 | |
|
|
243 | LEAVE; |
|
|
244 | |
|
|
245 | errno = errorno; |
|
|
246 | count++; |
392 | count++; |
247 | } |
393 | } |
248 | |
394 | |
249 | free_req (req); |
395 | req_free (req); |
250 | } |
396 | } |
251 | |
397 | |
252 | return count; |
398 | return count; |
253 | } |
399 | } |
254 | |
400 | |
255 | static void *aio_proc(void *arg); |
401 | static void *aio_proc(void *arg); |
256 | |
402 | |
257 | static void |
|
|
258 | start_thread (void) |
403 | static void start_thread (void) |
259 | { |
404 | { |
260 | sigset_t fullsigset, oldsigset; |
405 | sigset_t fullsigset, oldsigset; |
261 | pthread_t tid; |
406 | pthread_t tid; |
262 | pthread_attr_t attr; |
407 | pthread_attr_t attr; |
263 | |
408 | |
… | |
… | |
272 | started++; |
417 | started++; |
273 | |
418 | |
274 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
419 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
275 | } |
420 | } |
276 | |
421 | |
277 | static void |
422 | static void req_send (aio_req req) |
278 | send_req (aio_req req) |
|
|
279 | { |
423 | { |
280 | while (started < wanted && nreqs >= started) |
424 | while (started < wanted && nreqs >= started) |
281 | start_thread (); |
425 | start_thread (); |
282 | |
426 | |
283 | nreqs++; |
427 | ++nreqs; |
284 | |
428 | |
285 | pthread_mutex_lock (&reqlock); |
429 | pthread_mutex_lock (&reqlock); |
286 | |
430 | |
287 | req->next = 0; |
431 | req->next = 0; |
288 | |
432 | |
… | |
… | |
307 | |
451 | |
308 | poll_wait (); |
452 | poll_wait (); |
309 | } |
453 | } |
310 | } |
454 | } |
311 | |
455 | |
312 | static void |
456 | static void end_thread (void) |
313 | end_thread (void) |
|
|
314 | { |
457 | { |
315 | aio_req req; |
458 | aio_req req; |
316 | Newz (0, req, 1, aio_cb); |
459 | Newz (0, req, 1, aio_cb); |
317 | req->type = REQ_QUIT; |
460 | req->type = REQ_QUIT; |
318 | |
461 | |
319 | send_req (req); |
462 | req_send (req); |
320 | } |
463 | } |
321 | |
464 | |
322 | static void min_parallel (int nthreads) |
465 | static void min_parallel (int nthreads) |
323 | { |
466 | { |
324 | if (wanted < nthreads) |
467 | if (wanted < nthreads) |
… | |
… | |
369 | * normal read/write by using a mutex. slows down execution a lot, |
512 | * normal read/write by using a mutex. slows down execution a lot, |
370 | * but that's your problem, not mine. |
513 | * but that's your problem, not mine. |
371 | */ |
514 | */ |
372 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
515 | static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; |
373 | |
516 | |
374 | static ssize_t |
517 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
375 | pread (int fd, void *buf, size_t count, off_t offset) |
|
|
376 | { |
518 | { |
377 | ssize_t res; |
519 | ssize_t res; |
378 | off_t ooffset; |
520 | off_t ooffset; |
379 | |
521 | |
380 | pthread_mutex_lock (&preadwritelock); |
522 | pthread_mutex_lock (&preadwritelock); |
… | |
… | |
385 | pthread_mutex_unlock (&preadwritelock); |
527 | pthread_mutex_unlock (&preadwritelock); |
386 | |
528 | |
387 | return res; |
529 | return res; |
388 | } |
530 | } |
389 | |
531 | |
390 | static ssize_t |
|
|
391 | pwrite (int fd, void *buf, size_t count, off_t offset) |
532 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
392 | { |
533 | { |
393 | ssize_t res; |
534 | ssize_t res; |
394 | off_t ooffset; |
535 | off_t ooffset; |
395 | |
536 | |
396 | pthread_mutex_lock (&preadwritelock); |
537 | pthread_mutex_lock (&preadwritelock); |
… | |
… | |
409 | #endif |
550 | #endif |
410 | |
551 | |
411 | #if !HAVE_READAHEAD |
552 | #if !HAVE_READAHEAD |
412 | # define readahead aio_readahead |
553 | # define readahead aio_readahead |
413 | |
554 | |
414 | static ssize_t |
|
|
415 | readahead (int fd, off_t offset, size_t count) |
555 | static ssize_t readahead (int fd, off_t offset, size_t count) |
416 | { |
556 | { |
417 | char readahead_buf[4096]; |
557 | char readahead_buf[4096]; |
418 | |
558 | |
419 | while (count > 0) |
559 | while (count > 0) |
420 | { |
560 | { |
… | |
… | |
432 | #if !HAVE_READDIR_R |
572 | #if !HAVE_READDIR_R |
433 | # define readdir_r aio_readdir_r |
573 | # define readdir_r aio_readdir_r |
434 | |
574 | |
435 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
575 | static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; |
436 | |
576 | |
437 | static int |
|
|
438 | readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
577 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
439 | { |
578 | { |
440 | struct dirent *e; |
579 | struct dirent *e; |
441 | int errorno; |
580 | int errorno; |
442 | |
581 | |
443 | pthread_mutex_lock (&readdirlock); |
582 | pthread_mutex_lock (&readdirlock); |
… | |
… | |
459 | return e ? 0 : -1; |
598 | return e ? 0 : -1; |
460 | } |
599 | } |
461 | #endif |
600 | #endif |
462 | |
601 | |
463 | /* sendfile always needs emulation */ |
602 | /* sendfile always needs emulation */ |
464 | static ssize_t |
|
|
465 | sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
603 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
466 | { |
604 | { |
467 | ssize_t res; |
605 | ssize_t res; |
468 | |
606 | |
469 | if (!count) |
607 | if (!count) |
470 | return 0; |
608 | return 0; |
… | |
… | |
552 | |
690 | |
553 | return res; |
691 | return res; |
554 | } |
692 | } |
555 | |
693 | |
556 | /* read a full directory */ |
694 | /* read a full directory */ |
557 | static int |
|
|
558 | scandir_ (const char *path, void **namesp) |
695 | static int scandir_ (const char *path, void **namesp) |
559 | { |
696 | { |
560 | DIR *dirp = opendir (path); |
697 | DIR *dirp = opendir (path); |
561 | union |
698 | union |
562 | { |
699 | { |
563 | struct dirent d; |
700 | struct dirent d; |
… | |
… | |
617 | return res; |
754 | return res; |
618 | } |
755 | } |
619 | |
756 | |
620 | /*****************************************************************************/ |
757 | /*****************************************************************************/ |
621 | |
758 | |
622 | static void * |
|
|
623 | aio_proc (void *thr_arg) |
759 | static void *aio_proc (void *thr_arg) |
624 | { |
760 | { |
625 | aio_req req; |
761 | aio_req req; |
626 | int type; |
762 | int type; |
627 | |
763 | |
628 | do |
764 | do |
… | |
… | |
647 | |
783 | |
648 | pthread_mutex_unlock (&reqlock); |
784 | pthread_mutex_unlock (&reqlock); |
649 | |
785 | |
650 | errno = 0; /* strictly unnecessary */ |
786 | errno = 0; /* strictly unnecessary */ |
651 | |
787 | |
652 | type = req->type; |
788 | if (!req->cancelled) |
653 | |
789 | switch (type = req->type) /* remember type for QUIT check */ |
654 | switch (type) |
|
|
655 | { |
790 | { |
656 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
791 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
657 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
792 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
658 | |
793 | |
659 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
794 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
660 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
795 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
661 | |
796 | |
662 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
797 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
663 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
798 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
664 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
799 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
665 | |
800 | |
666 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
801 | case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; |
667 | case REQ_CLOSE: req->result = close (req->fd); break; |
802 | case REQ_CLOSE: req->result = close (req->fd); break; |
668 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
803 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
669 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
804 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
670 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
805 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
671 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
806 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
672 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
807 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
673 | |
808 | |
674 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
809 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
675 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
810 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
676 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
811 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
677 | |
812 | |
|
|
813 | case REQ_SLEEP: |
|
|
814 | { |
|
|
815 | struct timeval tv; |
|
|
816 | |
|
|
817 | tv.tv_sec = req->fd; |
|
|
818 | tv.tv_usec = req->fd2; |
|
|
819 | |
|
|
820 | req->result = select (0, 0, 0, 0, &tv); |
|
|
821 | } |
|
|
822 | |
678 | case REQ_QUIT: |
823 | case REQ_QUIT: |
679 | break; |
824 | break; |
680 | |
825 | |
681 | default: |
826 | default: |
682 | req->result = ENOSYS; |
827 | req->result = ENOSYS; |
683 | break; |
828 | break; |
684 | } |
829 | } |
685 | |
830 | |
686 | req->errorno = errno; |
831 | req->errorno = errno; |
687 | |
832 | |
688 | pthread_mutex_lock (&reslock); |
833 | pthread_mutex_lock (&reslock); |
689 | |
834 | |
… | |
… | |
743 | |
888 | |
744 | while (reqs) |
889 | while (reqs) |
745 | { |
890 | { |
746 | prv = reqs; |
891 | prv = reqs; |
747 | reqs = prv->next; |
892 | reqs = prv->next; |
748 | free_req (prv); |
893 | req_free (prv); |
749 | } |
894 | } |
750 | |
895 | |
751 | reqs = reqe = 0; |
896 | reqs = reqe = 0; |
752 | |
897 | |
753 | while (ress) |
898 | while (ress) |
754 | { |
899 | { |
755 | prv = ress; |
900 | prv = ress; |
756 | ress = prv->next; |
901 | ress = prv->next; |
757 | free_req (prv); |
902 | req_free (prv); |
758 | } |
903 | } |
759 | |
904 | |
760 | ress = rese = 0; |
905 | ress = rese = 0; |
761 | |
906 | |
762 | close (respipe [0]); |
907 | close (respipe [0]); |
… | |
… | |
768 | |
913 | |
769 | #define dREQ \ |
914 | #define dREQ \ |
770 | aio_req req; \ |
915 | aio_req req; \ |
771 | \ |
916 | \ |
772 | if (SvOK (callback) && !SvROK (callback)) \ |
917 | if (SvOK (callback) && !SvROK (callback)) \ |
773 | croak ("clalback must be undef or of reference type"); \ |
918 | croak ("callback must be undef or of reference type"); \ |
774 | \ |
919 | \ |
775 | Newz (0, req, 1, aio_cb); \ |
920 | Newz (0, req, 1, aio_cb); \ |
776 | if (!req) \ |
921 | if (!req) \ |
777 | croak ("out of memory during aio_req allocation"); \ |
922 | croak ("out of memory during aio_req allocation"); \ |
778 | \ |
923 | \ |
779 | req->callback = newSVsv (callback); |
924 | req->callback = newSVsv (callback) |
|
|
925 | |
|
|
926 | #define REQ_SEND \ |
|
|
927 | req_send (req); \ |
|
|
928 | \ |
|
|
929 | if (GIMME_V != G_VOID) \ |
|
|
930 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
780 | |
931 | |
781 | MODULE = IO::AIO PACKAGE = IO::AIO |
932 | MODULE = IO::AIO PACKAGE = IO::AIO |
782 | |
933 | |
783 | PROTOTYPES: ENABLE |
934 | PROTOTYPES: ENABLE |
784 | |
935 | |
785 | BOOT: |
936 | BOOT: |
786 | { |
937 | { |
|
|
938 | HV *stash = gv_stashpv ("IO::AIO", 1); |
|
|
939 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
|
|
940 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
|
|
941 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
942 | |
787 | create_pipe (); |
943 | create_pipe (); |
788 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
944 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
789 | } |
945 | } |
790 | |
946 | |
791 | void |
947 | void |
… | |
… | |
811 | SV * pathname |
967 | SV * pathname |
812 | int flags |
968 | int flags |
813 | int mode |
969 | int mode |
814 | SV * callback |
970 | SV * callback |
815 | PROTOTYPE: $$$;$ |
971 | PROTOTYPE: $$$;$ |
816 | CODE: |
972 | PPCODE: |
817 | { |
973 | { |
818 | dREQ; |
974 | dREQ; |
819 | |
975 | |
820 | req->type = REQ_OPEN; |
976 | req->type = REQ_OPEN; |
821 | req->data = newSVsv (pathname); |
977 | req->data = newSVsv (pathname); |
822 | req->dataptr = SvPVbyte_nolen (req->data); |
978 | req->dataptr = SvPVbyte_nolen (req->data); |
823 | req->fd = flags; |
979 | req->fd = flags; |
824 | req->mode = mode; |
980 | req->mode = mode; |
825 | |
981 | |
826 | send_req (req); |
982 | REQ_SEND; |
827 | } |
983 | } |
828 | |
984 | |
829 | void |
985 | void |
830 | aio_close (fh,callback=&PL_sv_undef) |
986 | aio_close (fh,callback=&PL_sv_undef) |
831 | SV * fh |
987 | SV * fh |
… | |
… | |
833 | PROTOTYPE: $;$ |
989 | PROTOTYPE: $;$ |
834 | ALIAS: |
990 | ALIAS: |
835 | aio_close = REQ_CLOSE |
991 | aio_close = REQ_CLOSE |
836 | aio_fsync = REQ_FSYNC |
992 | aio_fsync = REQ_FSYNC |
837 | aio_fdatasync = REQ_FDATASYNC |
993 | aio_fdatasync = REQ_FDATASYNC |
838 | CODE: |
994 | PPCODE: |
839 | { |
995 | { |
840 | dREQ; |
996 | dREQ; |
841 | |
997 | |
842 | req->type = ix; |
998 | req->type = ix; |
843 | req->fh = newSVsv (fh); |
999 | req->fh = newSVsv (fh); |
844 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1000 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
845 | |
1001 | |
846 | send_req (req); |
1002 | REQ_SEND (req); |
847 | } |
1003 | } |
848 | |
1004 | |
849 | void |
1005 | void |
850 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
1006 | aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
851 | SV * fh |
1007 | SV * fh |
… | |
… | |
856 | SV * callback |
1012 | SV * callback |
857 | ALIAS: |
1013 | ALIAS: |
858 | aio_read = REQ_READ |
1014 | aio_read = REQ_READ |
859 | aio_write = REQ_WRITE |
1015 | aio_write = REQ_WRITE |
860 | PROTOTYPE: $$$$$;$ |
1016 | PROTOTYPE: $$$$$;$ |
861 | CODE: |
1017 | PPCODE: |
862 | { |
1018 | { |
863 | aio_req req; |
1019 | aio_req req; |
864 | STRLEN svlen; |
1020 | STRLEN svlen; |
865 | char *svptr = SvPVbyte (data, svlen); |
1021 | char *svptr = SvPVbyte (data, svlen); |
866 | |
1022 | |
… | |
… | |
904 | { |
1060 | { |
905 | SvREADONLY_on (data); |
1061 | SvREADONLY_on (data); |
906 | req->data2ptr = (void *)data; |
1062 | req->data2ptr = (void *)data; |
907 | } |
1063 | } |
908 | |
1064 | |
909 | send_req (req); |
1065 | REQ_SEND; |
910 | } |
1066 | } |
911 | } |
1067 | } |
912 | |
1068 | |
913 | void |
1069 | void |
914 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
1070 | aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) |
… | |
… | |
916 | SV * in_fh |
1072 | SV * in_fh |
917 | UV in_offset |
1073 | UV in_offset |
918 | UV length |
1074 | UV length |
919 | SV * callback |
1075 | SV * callback |
920 | PROTOTYPE: $$$$;$ |
1076 | PROTOTYPE: $$$$;$ |
921 | CODE: |
1077 | PPCODE: |
922 | { |
1078 | { |
923 | dREQ; |
1079 | dREQ; |
924 | |
1080 | |
925 | req->type = REQ_SENDFILE; |
1081 | req->type = REQ_SENDFILE; |
926 | req->fh = newSVsv (out_fh); |
1082 | req->fh = newSVsv (out_fh); |
… | |
… | |
928 | req->fh2 = newSVsv (in_fh); |
1084 | req->fh2 = newSVsv (in_fh); |
929 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
1085 | req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
930 | req->offset = in_offset; |
1086 | req->offset = in_offset; |
931 | req->length = length; |
1087 | req->length = length; |
932 | |
1088 | |
933 | send_req (req); |
1089 | REQ_SEND; |
934 | } |
1090 | } |
935 | |
1091 | |
936 | void |
1092 | void |
937 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
1093 | aio_readahead (fh,offset,length,callback=&PL_sv_undef) |
938 | SV * fh |
1094 | SV * fh |
939 | UV offset |
1095 | UV offset |
940 | IV length |
1096 | IV length |
941 | SV * callback |
1097 | SV * callback |
942 | PROTOTYPE: $$$;$ |
1098 | PROTOTYPE: $$$;$ |
943 | CODE: |
1099 | PPCODE: |
944 | { |
1100 | { |
945 | dREQ; |
1101 | dREQ; |
946 | |
1102 | |
947 | req->type = REQ_READAHEAD; |
1103 | req->type = REQ_READAHEAD; |
948 | req->fh = newSVsv (fh); |
1104 | req->fh = newSVsv (fh); |
949 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
1105 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
950 | req->offset = offset; |
1106 | req->offset = offset; |
951 | req->length = length; |
1107 | req->length = length; |
952 | |
1108 | |
953 | send_req (req); |
1109 | REQ_SEND; |
954 | } |
1110 | } |
955 | |
1111 | |
956 | void |
1112 | void |
957 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
1113 | aio_stat (fh_or_path,callback=&PL_sv_undef) |
958 | SV * fh_or_path |
1114 | SV * fh_or_path |
959 | SV * callback |
1115 | SV * callback |
960 | ALIAS: |
1116 | ALIAS: |
961 | aio_stat = REQ_STAT |
1117 | aio_stat = REQ_STAT |
962 | aio_lstat = REQ_LSTAT |
1118 | aio_lstat = REQ_LSTAT |
963 | CODE: |
1119 | PPCODE: |
964 | { |
1120 | { |
965 | dREQ; |
1121 | dREQ; |
966 | |
1122 | |
967 | New (0, req->statdata, 1, Stat_t); |
1123 | New (0, req->statdata, 1, Stat_t); |
968 | if (!req->statdata) |
1124 | if (!req->statdata) |
969 | { |
1125 | { |
970 | free_req (req); |
1126 | req_free (req); |
971 | croak ("out of memory during aio_req->statdata allocation"); |
1127 | croak ("out of memory during aio_req->statdata allocation"); |
972 | } |
1128 | } |
973 | |
1129 | |
974 | if (SvPOK (fh_or_path)) |
1130 | if (SvPOK (fh_or_path)) |
975 | { |
1131 | { |
… | |
… | |
982 | req->type = REQ_FSTAT; |
1138 | req->type = REQ_FSTAT; |
983 | req->fh = newSVsv (fh_or_path); |
1139 | req->fh = newSVsv (fh_or_path); |
984 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1140 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
985 | } |
1141 | } |
986 | |
1142 | |
987 | send_req (req); |
1143 | REQ_SEND; |
988 | } |
1144 | } |
989 | |
1145 | |
990 | void |
1146 | void |
991 | aio_unlink (pathname,callback=&PL_sv_undef) |
1147 | aio_unlink (pathname,callback=&PL_sv_undef) |
992 | SV * pathname |
1148 | SV * pathname |
993 | SV * callback |
1149 | SV * callback |
994 | ALIAS: |
1150 | ALIAS: |
995 | aio_unlink = REQ_UNLINK |
1151 | aio_unlink = REQ_UNLINK |
996 | aio_rmdir = REQ_RMDIR |
1152 | aio_rmdir = REQ_RMDIR |
997 | aio_readdir = REQ_READDIR |
1153 | aio_readdir = REQ_READDIR |
998 | CODE: |
1154 | PPCODE: |
999 | { |
1155 | { |
1000 | dREQ; |
1156 | dREQ; |
1001 | |
1157 | |
1002 | req->type = ix; |
1158 | req->type = ix; |
1003 | req->data = newSVsv (pathname); |
1159 | req->data = newSVsv (pathname); |
1004 | req->dataptr = SvPVbyte_nolen (req->data); |
1160 | req->dataptr = SvPVbyte_nolen (req->data); |
1005 | |
1161 | |
1006 | send_req (req); |
1162 | REQ_SEND; |
1007 | } |
1163 | } |
1008 | |
1164 | |
1009 | void |
1165 | void |
1010 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1166 | aio_link (oldpath,newpath,callback=&PL_sv_undef) |
1011 | SV * oldpath |
1167 | SV * oldpath |
… | |
… | |
1013 | SV * callback |
1169 | SV * callback |
1014 | ALIAS: |
1170 | ALIAS: |
1015 | aio_link = REQ_LINK |
1171 | aio_link = REQ_LINK |
1016 | aio_symlink = REQ_SYMLINK |
1172 | aio_symlink = REQ_SYMLINK |
1017 | aio_rename = REQ_RENAME |
1173 | aio_rename = REQ_RENAME |
1018 | CODE: |
1174 | PPCODE: |
1019 | { |
1175 | { |
1020 | dREQ; |
1176 | dREQ; |
1021 | |
1177 | |
1022 | req->type = ix; |
1178 | req->type = ix; |
1023 | req->fh = newSVsv (oldpath); |
1179 | req->fh = newSVsv (oldpath); |
1024 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1180 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1025 | req->data = newSVsv (newpath); |
1181 | req->data = newSVsv (newpath); |
1026 | req->dataptr = SvPVbyte_nolen (req->data); |
1182 | req->dataptr = SvPVbyte_nolen (req->data); |
1027 | |
1183 | |
1028 | send_req (req); |
1184 | REQ_SEND; |
|
|
1185 | } |
|
|
1186 | |
|
|
1187 | void |
|
|
1188 | aio_sleep (delay,callback=&PL_sv_undef) |
|
|
1189 | double delay |
|
|
1190 | SV * callback |
|
|
1191 | PPCODE: |
|
|
1192 | { |
|
|
1193 | dREQ; |
|
|
1194 | |
|
|
1195 | req->type = REQ_SLEEP; |
|
|
1196 | req->fd = delay < 0. ? 0 : delay; |
|
|
1197 | req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd); |
|
|
1198 | |
|
|
1199 | REQ_SEND; |
|
|
1200 | } |
|
|
1201 | |
|
|
1202 | void |
|
|
1203 | aio_group (callback=&PL_sv_undef) |
|
|
1204 | SV * callback |
|
|
1205 | PROTOTYPE: ;$ |
|
|
1206 | PPCODE: |
|
|
1207 | { |
|
|
1208 | dREQ; |
|
|
1209 | req->type = REQ_GROUP; |
|
|
1210 | req_send (req); |
|
|
1211 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1029 | } |
1212 | } |
1030 | |
1213 | |
1031 | void |
1214 | void |
1032 | flush () |
1215 | flush () |
1033 | PROTOTYPE: |
1216 | PROTOTYPE: |
… | |
… | |
1077 | CODE: |
1260 | CODE: |
1078 | RETVAL = nreqs; |
1261 | RETVAL = nreqs; |
1079 | OUTPUT: |
1262 | OUTPUT: |
1080 | RETVAL |
1263 | RETVAL |
1081 | |
1264 | |
|
|
1265 | PROTOTYPES: DISABLE |
|
|
1266 | |
|
|
1267 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
|
|
1268 | |
|
|
1269 | void |
|
|
1270 | cancel (aio_req_ornot req) |
|
|
1271 | PROTOTYPE: |
|
|
1272 | CODE: |
|
|
1273 | req_cancel (req); |
|
|
1274 | |
|
|
1275 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
|
|
1276 | |
|
|
1277 | void |
|
|
1278 | add (aio_req grp, ...) |
|
|
1279 | PPCODE: |
|
|
1280 | { |
|
|
1281 | int i; |
|
|
1282 | |
|
|
1283 | if (grp->fd == 2) |
|
|
1284 | croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
|
|
1285 | |
|
|
1286 | for (i = 1; i < items; ++i ) |
|
|
1287 | { |
|
|
1288 | if (GIMME_V != G_VOID) |
|
|
1289 | XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
|
|
1290 | |
|
|
1291 | aio_req req = SvAIO_REQ (ST (i)); |
|
|
1292 | |
|
|
1293 | if (req) |
|
|
1294 | { |
|
|
1295 | ++grp->length; |
|
|
1296 | req->grp = grp; |
|
|
1297 | |
|
|
1298 | req->grp_prev = 0; |
|
|
1299 | req->grp_next = grp->grp_first; |
|
|
1300 | |
|
|
1301 | if (grp->grp_first) |
|
|
1302 | grp->grp_first->grp_prev = req; |
|
|
1303 | |
|
|
1304 | grp->grp_first = req; |
|
|
1305 | } |
|
|
1306 | } |
|
|
1307 | } |
|
|
1308 | |
|
|
1309 | void |
|
|
1310 | result (aio_req grp, ...) |
|
|
1311 | CODE: |
|
|
1312 | { |
|
|
1313 | int i; |
|
|
1314 | AV *av = newAV (); |
|
|
1315 | |
|
|
1316 | for (i = 1; i < items; ++i ) |
|
|
1317 | av_push (av, newSVsv (ST (i))); |
|
|
1318 | |
|
|
1319 | SvREFCNT_dec (grp->data); |
|
|
1320 | grp->data = (SV *)av; |
|
|
1321 | } |
|
|
1322 | |
|
|
1323 | void |
|
|
1324 | lock (aio_req grp) |
|
|
1325 | CODE: |
|
|
1326 | ++grp->length; |
|
|
1327 | |
|
|
1328 | void |
|
|
1329 | unlock (aio_req grp) |
|
|
1330 | CODE: |
|
|
1331 | aio_grp_dec (grp); |
|
|
1332 | |
|
|
1333 | void |
|
|
1334 | feeder_limit (aio_req grp, int limit) |
|
|
1335 | CODE: |
|
|
1336 | grp->fd2 = limit; |
|
|
1337 | aio_grp_feed (grp); |
|
|
1338 | |
|
|
1339 | void |
|
|
1340 | set_feeder (aio_req grp, SV *callback=&PL_sv_undef) |
|
|
1341 | CODE: |
|
|
1342 | { |
|
|
1343 | SvREFCNT_dec (grp->fh2); |
|
|
1344 | grp->fh2 = newSVsv (callback); |
|
|
1345 | |
|
|
1346 | if (grp->fd2 <= 0) |
|
|
1347 | grp->fd2 = 2; |
|
|
1348 | |
|
|
1349 | aio_grp_feed (grp); |
|
|
1350 | } |
|
|
1351 | |