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Avoid redundant syscall to make a nonblocking socket nonblocking

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Maxime Henrion 2013-05-20 12:23:53 -04:00 committed by Nick Mathewson
parent 9b5a527f5b
commit 42c03da9b9
1 changed files with 5 additions and 3 deletions
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8
evutil.c
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@ -323,9 +323,11 @@ evutil_make_socket_nonblocking(evutil_socket_t fd)
event_warn("fcntl(%d, F_GETFL)", fd); event_warn("fcntl(%d, F_GETFL)", fd);
return -1; return -1;
} }
if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) == -1) { if (!(flags & O_NONBLOCK)) {
event_warn("fcntl(%d, F_SETFL)", fd); if (fcntl(fd, F_SETFL, flags | O_NONBLOCK) == -1) {
return -1; event_warn("fcntl(%d, F_SETFL)", fd);
return -1;
}
} }
} }
#endif #endif