| … | |
… | |
| 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_RELEASE_CB; |
| 143 | tv.tv_sec = (long)timeout; |
144 | tv.tv_sec = (long)timeout; |
| 144 | tv.tv_usec = (long)((timeout - (ev_tstamp)tv.tv_sec) * 1e6); |
145 | tv.tv_usec = (long)((timeout - (ev_tstamp)tv.tv_sec) * 1e6); |
| 145 | |
146 | |
| 146 | #if EV_SELECT_USE_FD_SET |
147 | #if EV_SELECT_USE_FD_SET |
| 147 | fd_setsize = sizeof (fd_set); |
148 | fd_setsize = sizeof (fd_set); |
| … | |
… | |
| 164 | fd_setsize = anfdmax < FD_SETSIZE ? anfdmax : FD_SETSIZE; |
165 | fd_setsize = anfdmax < FD_SETSIZE ? anfdmax : FD_SETSIZE; |
| 165 | res = select (fd_setsize, (fd_set *)vec_ro, (fd_set *)vec_wo, 0, &tv); |
166 | res = select (fd_setsize, (fd_set *)vec_ro, (fd_set *)vec_wo, 0, &tv); |
| 166 | #else |
167 | #else |
| 167 | res = select (vec_max * NFDBITS, (fd_set *)vec_ro, (fd_set *)vec_wo, 0, &tv); |
168 | res = select (vec_max * NFDBITS, (fd_set *)vec_ro, (fd_set *)vec_wo, 0, &tv); |
| 168 | #endif |
169 | #endif |
|
|
170 | EV_ACQUIRE_CB; |
| 169 | |
171 | |
| 170 | if (expect_false (res < 0)) |
172 | if (expect_false (res < 0)) |
| 171 | { |
173 | { |
| 172 | #if EV_SELECT_IS_WINSOCKET |
174 | #if EV_SELECT_IS_WINSOCKET |
| 173 | errno = WSAGetLastError (); |
175 | errno = WSAGetLastError (); |
| … | |
… | |
| 180 | else |
182 | else |
| 181 | errno -= WSABASEERR; |
183 | errno -= WSABASEERR; |
| 182 | #endif |
184 | #endif |
| 183 | |
185 | |
| 184 | #ifdef _WIN32 |
186 | #ifdef _WIN32 |
| 185 | /* select on windows errornously returns EINVAL when no fd sets have been |
187 | /* select on windows erroneously returns EINVAL when no fd sets have been |
| 186 | * provided (this is documented). what microsoft doesn't tell you that this bug |
188 | * provided (this is documented). what microsoft doesn't tell you that this bug |
| 187 | * exists even when the fd sets _are_ provided, so we have to check for this bug |
189 | * exists even when the fd sets _are_ provided, so we have to check for this bug |
| 188 | * here and emulate by sleeping manually. |
190 | * here and emulate by sleeping manually. |
| 189 | * we also get EINVAL when the timeout is invalid, but we ignore this case here |
191 | * we also get EINVAL when the timeout is invalid, but we ignore this case here |
| 190 | * and assume that EINVAL always means: you have to wait manually. |
192 | * and assume that EINVAL always means: you have to wait manually. |
| … | |
… | |
| 278 | vec_eo = ev_malloc (sizeof (fd_set)); |
280 | vec_eo = ev_malloc (sizeof (fd_set)); |
| 279 | #endif |
281 | #endif |
| 280 | #else |
282 | #else |
| 281 | vec_max = 0; |
283 | vec_max = 0; |
| 282 | vec_ri = 0; |
284 | vec_ri = 0; |
| 283 | vec_ri = 0; |
285 | vec_ro = 0; |
|
|
286 | vec_wi = 0; |
| 284 | vec_wo = 0; |
287 | vec_wo = 0; |
|
|
288 | #ifdef _WIN32 |
| 285 | vec_wo = 0; |
289 | vec_eo = 0; |
|
|
290 | #endif |
| 286 | #endif |
291 | #endif |
| 287 | |
292 | |
| 288 | return EVBACKEND_SELECT; |
293 | return EVBACKEND_SELECT; |
| 289 | } |
294 | } |
| 290 | |
295 | |
| … | |
… | |
| 293 | { |
298 | { |
| 294 | ev_free (vec_ri); |
299 | ev_free (vec_ri); |
| 295 | ev_free (vec_ro); |
300 | ev_free (vec_ro); |
| 296 | ev_free (vec_wi); |
301 | ev_free (vec_wi); |
| 297 | ev_free (vec_wo); |
302 | ev_free (vec_wo); |
|
|
303 | #ifdef _WIN32 |
|
|
304 | ev_free (vec_eo); |
|
|
305 | #endif |
| 298 | } |
306 | } |
| 299 | |
307 | |
| 300 | |
308 | |
