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