| 1 | /* |
1 | /* |
| 2 | * libev select fd activity backend |
2 | * libev select fd activity backend |
| 3 | * |
3 | * |
| 4 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007,2008 Marc Alexander Lehmann <libev@schmorp.de> |
| 5 | * All rights reserved. |
5 | * All rights reserved. |
| 6 | * |
6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without modifica- |
7 | * Redistribution and use in source and binary forms, with or without modifica- |
| 8 | * tion, are permitted provided that the following conditions are met: |
8 | * tion, are permitted provided that the following conditions are met: |
| 9 | * |
9 | * |
| … | |
… | |
| 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 EINTR |
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| 58 | # define EINTR WSAEINTR |
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| 59 | # undef EBADF |
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| 60 | # define EBADF WSAENOTSOCK |
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| 61 | # undef ENOMEM |
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| 62 | # define ENOMEM (errno + 1) |
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| 63 | #endif |
57 | #endif |
| 64 | |
58 | |
| 65 | #if !EV_SELECT_USE_FD_SET |
59 | #if !EV_SELECT_USE_FD_SET |
| 66 | # define NFDBYTES (NFDBITS / 8) |
60 | # define NFDBYTES (NFDBITS / 8) |
| 67 | #endif |
61 | #endif |
| … | |
… | |
| 138 | #endif |
132 | #endif |
| 139 | |
133 | |
| 140 | tv.tv_sec = (long)timeout; |
134 | tv.tv_sec = (long)timeout; |
| 141 | tv.tv_usec = (long)((timeout - (ev_tstamp)tv.tv_sec) * 1e6); |
135 | tv.tv_usec = (long)((timeout - (ev_tstamp)tv.tv_sec) * 1e6); |
| 142 | |
136 | |
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137 | #ifdef _WIN32 |
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138 | /* pass in the write set as except set. |
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139 | * the idea behind this is to work around a windows bug that causes |
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140 | * errors to be reported as an exception and not by setting |
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141 | * the writable bit. this is so uncontrollably lame. |
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142 | */ |
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143 | res = select (vec_max * NFDBITS, (fd_set *)vec_ro, (fd_set *)vec_wo, (fd_set *)vec_wo, &tv); |
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144 | #else |
| 143 | res = select (vec_max * NFDBITS, (fd_set *)vec_ro, (fd_set *)vec_wo, 0, &tv); |
145 | res = select (vec_max * NFDBITS, (fd_set *)vec_ro, (fd_set *)vec_wo, 0, &tv); |
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146 | #endif |
| 144 | |
147 | |
| 145 | if (expect_false (res < 0)) |
148 | if (expect_false (res < 0)) |
| 146 | { |
149 | { |
| 147 | #if EV_SELECT_IS_WINSOCKET |
150 | #if EV_SELECT_IS_WINSOCKET |
| 148 | errno = WSAGetLastError (); |
151 | errno = WSAGetLastError (); |
