| … | |
… | |
| 138 | { |
138 | { |
| 139 | struct timeval tv; |
139 | struct timeval tv; |
| 140 | int res; |
140 | int res; |
| 141 | int fd_setsize; |
141 | int fd_setsize; |
| 142 | |
142 | |
| 143 | EV_SUSPEND_CB; |
143 | EV_RELEASE_CB; |
| 144 | tv.tv_sec = (long)timeout; |
144 | EV_TV_SET (tv, timeout); |
| 145 | tv.tv_usec = (long)((timeout - (ev_tstamp)tv.tv_sec) * 1e6); |
|
|
| 146 | |
145 | |
| 147 | #if EV_SELECT_USE_FD_SET |
146 | #if EV_SELECT_USE_FD_SET |
| 148 | fd_setsize = sizeof (fd_set); |
147 | fd_setsize = sizeof (fd_set); |
| 149 | #else |
148 | #else |
| 150 | fd_setsize = vec_max * NFDBYTES; |
149 | fd_setsize = vec_max * NFDBYTES; |
| … | |
… | |
| 165 | fd_setsize = anfdmax < FD_SETSIZE ? anfdmax : FD_SETSIZE; |
164 | fd_setsize = anfdmax < FD_SETSIZE ? anfdmax : FD_SETSIZE; |
| 166 | res = select (fd_setsize, (fd_set *)vec_ro, (fd_set *)vec_wo, 0, &tv); |
165 | res = select (fd_setsize, (fd_set *)vec_ro, (fd_set *)vec_wo, 0, &tv); |
| 167 | #else |
166 | #else |
| 168 | res = select (vec_max * NFDBITS, (fd_set *)vec_ro, (fd_set *)vec_wo, 0, &tv); |
167 | res = select (vec_max * NFDBITS, (fd_set *)vec_ro, (fd_set *)vec_wo, 0, &tv); |
| 169 | #endif |
168 | #endif |
| 170 | EV_RESUME_CB; |
169 | EV_ACQUIRE_CB; |
| 171 | |
170 | |
| 172 | if (expect_false (res < 0)) |
171 | if (expect_false (res < 0)) |
| 173 | { |
172 | { |
| 174 | #if EV_SELECT_IS_WINSOCKET |
173 | #if EV_SELECT_IS_WINSOCKET |
| 175 | errno = WSAGetLastError (); |
174 | errno = WSAGetLastError (); |
| … | |
… | |
| 182 | else |
181 | else |
| 183 | errno -= WSABASEERR; |
182 | errno -= WSABASEERR; |
| 184 | #endif |
183 | #endif |
| 185 | |
184 | |
| 186 | #ifdef _WIN32 |
185 | #ifdef _WIN32 |
| 187 | /* select on windows errornously returns EINVAL when no fd sets have been |
186 | /* select on windows erroneously returns EINVAL when no fd sets have been |
| 188 | * provided (this is documented). what microsoft doesn't tell you that this bug |
187 | * provided (this is documented). what microsoft doesn't tell you that this bug |
| 189 | * exists even when the fd sets _are_ provided, so we have to check for this bug |
188 | * exists even when the fd sets _are_ provided, so we have to check for this bug |
| 190 | * here and emulate by sleeping manually. |
189 | * here and emulate by sleeping manually. |
| 191 | * we also get EINVAL when the timeout is invalid, but we ignore this case here |
190 | * we also get EINVAL when the timeout is invalid, but we ignore this case here |
| 192 | * and assume that EINVAL always means: you have to wait manually. |
191 | * and assume that EINVAL always means: you have to wait manually. |
| … | |
… | |
| 280 | vec_eo = ev_malloc (sizeof (fd_set)); |
279 | vec_eo = ev_malloc (sizeof (fd_set)); |
| 281 | #endif |
280 | #endif |
| 282 | #else |
281 | #else |
| 283 | vec_max = 0; |
282 | vec_max = 0; |
| 284 | vec_ri = 0; |
283 | vec_ri = 0; |
| 285 | vec_ri = 0; |
284 | vec_ro = 0; |
|
|
285 | vec_wi = 0; |
| 286 | vec_wo = 0; |
286 | vec_wo = 0; |
|
|
287 | #ifdef _WIN32 |
| 287 | vec_wo = 0; |
288 | vec_eo = 0; |
|
|
289 | #endif |
| 288 | #endif |
290 | #endif |
| 289 | |
291 | |
| 290 | return EVBACKEND_SELECT; |
292 | return EVBACKEND_SELECT; |
| 291 | } |
293 | } |
| 292 | |
294 | |
| … | |
… | |
| 295 | { |
297 | { |
| 296 | ev_free (vec_ri); |
298 | ev_free (vec_ri); |
| 297 | ev_free (vec_ro); |
299 | ev_free (vec_ro); |
| 298 | ev_free (vec_wi); |
300 | ev_free (vec_wi); |
| 299 | ev_free (vec_wo); |
301 | ev_free (vec_wo); |
|
|
302 | #ifdef _WIN32 |
|
|
303 | ev_free (vec_eo); |
|
|
304 | #endif |
| 300 | } |
305 | } |
| 301 | |
306 | |
| 302 | |
307 | |
