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If accept4 is absent, fall back to accept.

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This commit is contained in:
Nick Mathewson 2012-02-21 20:39:17 -05:00
parent a6492cb744
commit 74d32dd493
1 changed files with 6 additions and 4 deletions
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10
evutil.c
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@ -2425,10 +2425,13 @@ evutil_socket_t
evutil_accept4(evutil_socket_t sockfd, struct sockaddr *addr,
socklen_t *addrlen, int flags)
{
evutil_socket_t result;
#if defined(_EVENT_HAVE_ACCEPT4) && defined(SOCK_CLOEXEC) && defined(SOCK_NONBLOCK)
return accept4(sockfd, addr, addrlen, flags);
#else
evutil_socket_t result = accept(sockfd, addr, addrlen);
result = accept4(sockfd, addr, addrlen, flags);
if (result >= 0 || errno != EINVAL)
return result;
#endif
result = accept(sockfd, addr, addrlen);
if (result < 0)
return result;
@ -2445,7 +2448,6 @@ evutil_accept4(evutil_socket_t sockfd, struct sockaddr *addr,
}
}
return result;
#endif
}
/* Internal function: Set fd[0] and fd[1] to a pair of fds such that writes on