| … | |
… | |
| 52 | #endif |
52 | #endif |
| 53 | |
53 | |
| 54 | #if EV_SELECT_IS_WINSOCKET |
54 | #if EV_SELECT_IS_WINSOCKET |
| 55 | # undef EV_SELECT_USE_FD_SET |
55 | # undef EV_SELECT_USE_FD_SET |
| 56 | # define EV_SELECT_USE_FD_SET 1 |
56 | # define EV_SELECT_USE_FD_SET 1 |
|
|
57 | # undef NFDBITS |
|
|
58 | # define NFDBITS 0 |
| 57 | #endif |
59 | #endif |
| 58 | |
60 | |
| 59 | #if !EV_SELECT_USE_FD_SET |
61 | #if !EV_SELECT_USE_FD_SET |
| 60 | # define NFDBYTES (NFDBITS / 8) |
62 | # define NFDBYTES (NFDBITS / 8) |
| 61 | #endif |
63 | #endif |
| … | |
… | |
| 75 | SOCKET handle = anfds [fd].handle; |
77 | SOCKET handle = anfds [fd].handle; |
| 76 | #else |
78 | #else |
| 77 | int handle = fd; |
79 | int handle = fd; |
| 78 | #endif |
80 | #endif |
| 79 | |
81 | |
|
|
82 | /* FD_SET is broken on windows (it adds the fd to a set twice or more, |
|
|
83 | * which eventually leads to overflows). Need to call it only on changes. |
|
|
84 | */ |
|
|
85 | #if EV_SELECT_IS_WINSOCKET |
|
|
86 | if ((oev ^ nev) & EV_READ) |
|
|
87 | #endif |
| 80 | if (nev & EV_READ) |
88 | if (nev & EV_READ) |
| 81 | FD_SET (handle, (fd_set *)vec_ri); |
89 | FD_SET (handle, (fd_set *)vec_ri); |
| 82 | else |
90 | else |
| 83 | FD_CLR (handle, (fd_set *)vec_ri); |
91 | FD_CLR (handle, (fd_set *)vec_ri); |
| 84 | |
92 | |
|
|
93 | #if EV_SELECT_IS_WINSOCKET |
|
|
94 | if ((oev ^ nev) & EV_WRITE) |
|
|
95 | #endif |
| 85 | if (nev & EV_WRITE) |
96 | if (nev & EV_WRITE) |
| 86 | FD_SET (handle, (fd_set *)vec_wi); |
97 | FD_SET (handle, (fd_set *)vec_wi); |
| 87 | else |
98 | else |
| 88 | FD_CLR (handle, (fd_set *)vec_wi); |
99 | FD_CLR (handle, (fd_set *)vec_wi); |
| 89 | |
100 | |
| 90 | #else |
101 | #else |
| 91 | |
102 | |
| 92 | int word = fd / NFDBITS; |
103 | int word = fd / NFDBITS; |
| 93 | fd_mask mask = 1UL << (fd % NFDBITS); |
104 | fd_mask mask = 1UL << (fd % NFDBITS); |
| … | |
… | |
| 166 | #endif |
177 | #endif |
| 167 | |
178 | |
| 168 | #ifdef _WIN32 |
179 | #ifdef _WIN32 |
| 169 | /* select on windows errornously returns EINVAL when no fd sets have been |
180 | /* select on windows errornously returns EINVAL when no fd sets have been |
| 170 | * provided (this is documented). what microsoft doesn't tell you that this bug |
181 | * provided (this is documented). what microsoft doesn't tell you that this bug |
| 171 | * exists even when the fd sets are provided, so we have to check for this bug |
182 | * exists even when the fd sets _are_ provided, so we have to check for this bug |
| 172 | * here and emulate by sleeping manually. |
183 | * here and emulate by sleeping manually. |
| 173 | * we also get EINVAL when the timeout is invalid, but we ignore this case here |
184 | * we also get EINVAL when the timeout is invalid, but we ignore this case here |
| 174 | * and assume that EINVAL always means: you have to wait manually. |
185 | * and assume that EINVAL always means: you have to wait manually. |
| 175 | */ |
186 | */ |
| 176 | if (errno == EINVAL) |
187 | if (errno == EINVAL) |
| … | |
… | |
| 183 | if (errno == EBADF) |
194 | if (errno == EBADF) |
| 184 | fd_ebadf (EV_A); |
195 | fd_ebadf (EV_A); |
| 185 | else if (errno == ENOMEM && !syserr_cb) |
196 | else if (errno == ENOMEM && !syserr_cb) |
| 186 | fd_enomem (EV_A); |
197 | fd_enomem (EV_A); |
| 187 | else if (errno != EINTR) |
198 | else if (errno != EINTR) |
| 188 | syserr ("(libev) select"); |
199 | ev_syserr ("(libev) select"); |
| 189 | |
200 | |
| 190 | return; |
201 | return; |
| 191 | } |
202 | } |
| 192 | |
203 | |
| 193 | #if EV_SELECT_USE_FD_SET |
204 | #if EV_SELECT_USE_FD_SET |
