… | |
… | |
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 | if (expect_false (suspend_cb)) suspend_cb (EV_A); |
143 | EV_RELEASE_CB; |
144 | tv.tv_sec = (long)timeout; |
144 | tv.tv_sec = (long)timeout; |
145 | tv.tv_usec = (long)((timeout - (ev_tstamp)tv.tv_sec) * 1e6); |
145 | tv.tv_usec = (long)((timeout - (ev_tstamp)tv.tv_sec) * 1e6); |
146 | |
146 | |
147 | #if EV_SELECT_USE_FD_SET |
147 | #if EV_SELECT_USE_FD_SET |
148 | fd_setsize = sizeof (fd_set); |
148 | fd_setsize = sizeof (fd_set); |
… | |
… | |
165 | fd_setsize = anfdmax < FD_SETSIZE ? anfdmax : FD_SETSIZE; |
165 | fd_setsize = anfdmax < FD_SETSIZE ? anfdmax : FD_SETSIZE; |
166 | 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); |
167 | #else |
167 | #else |
168 | 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); |
169 | #endif |
169 | #endif |
170 | if (expect_false (resume_cb)) resume_cb (EV_A); |
170 | EV_ACQUIRE_CB; |
171 | |
171 | |
172 | if (expect_false (res < 0)) |
172 | if (expect_false (res < 0)) |
173 | { |
173 | { |
174 | #if EV_SELECT_IS_WINSOCKET |
174 | #if EV_SELECT_IS_WINSOCKET |
175 | errno = WSAGetLastError (); |
175 | errno = WSAGetLastError (); |
… | |
… | |
182 | else |
182 | else |
183 | errno -= WSABASEERR; |
183 | errno -= WSABASEERR; |
184 | #endif |
184 | #endif |
185 | |
185 | |
186 | #ifdef _WIN32 |
186 | #ifdef _WIN32 |
187 | /* 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 |
188 | * 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 |
189 | * 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 |
190 | * here and emulate by sleeping manually. |
190 | * here and emulate by sleeping manually. |
191 | * 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 |
192 | * and assume that EINVAL always means: you have to wait manually. |
192 | * and assume that EINVAL always means: you have to wait manually. |
… | |
… | |
280 | vec_eo = ev_malloc (sizeof (fd_set)); |
280 | vec_eo = ev_malloc (sizeof (fd_set)); |
281 | #endif |
281 | #endif |
282 | #else |
282 | #else |
283 | vec_max = 0; |
283 | vec_max = 0; |
284 | vec_ri = 0; |
284 | vec_ri = 0; |
285 | vec_ri = 0; |
285 | vec_ro = 0; |
|
|
286 | vec_wi = 0; |
286 | vec_wo = 0; |
287 | vec_wo = 0; |
|
|
288 | #ifdef _WIN32 |
287 | vec_wo = 0; |
289 | vec_eo = 0; |
|
|
290 | #endif |
288 | #endif |
291 | #endif |
289 | |
292 | |
290 | return EVBACKEND_SELECT; |
293 | return EVBACKEND_SELECT; |
291 | } |
294 | } |
292 | |
295 | |
… | |
… | |
295 | { |
298 | { |
296 | ev_free (vec_ri); |
299 | ev_free (vec_ri); |
297 | ev_free (vec_ro); |
300 | ev_free (vec_ro); |
298 | ev_free (vec_wi); |
301 | ev_free (vec_wi); |
299 | ev_free (vec_wo); |
302 | ev_free (vec_wo); |
|
|
303 | #ifdef _WIN32 |
|
|
304 | ev_free (vec_eo); |
|
|
305 | #endif |
300 | } |
306 | } |
301 | |
307 | |
302 | |
308 | |