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fd_util: add function socketpair_cloexec()

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This commit is contained in:
Max Kellermann 2010-08-03 17:47:34 +02:00
parent 36782a977a
commit c980fc653d
2 changed files with 35 additions and 0 deletions
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24
src/fd_util.c
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@ -174,6 +174,30 @@ pipe_cloexec_nonblock(int fd[2])
#endif #endif
} }
#ifndef WIN32
int
socketpair_cloexec(int domain, int type, int protocol, int sv[2])
{
int ret;
#ifdef SOCK_CLOEXEC
ret = socketpair(domain, type | SOCK_CLOEXEC, protocol, sv);
if (ret >= 0 || errno != EINVAL)
return ret;
#endif
ret = socketpair(domain, type, protocol, sv);
if (ret >= 0) {
fd_set_cloexec(sv[0], true);
fd_set_cloexec(sv[1], true);
}
return ret;
}
#endif
int int
socket_cloexec_nonblock(int domain, int type, int protocol) socket_cloexec_nonblock(int domain, int type, int protocol)
{ {

11
src/fd_util.h
View File

@ -65,6 +65,17 @@ pipe_cloexec(int fd[2]);
int int
pipe_cloexec_nonblock(int fd[2]); pipe_cloexec_nonblock(int fd[2]);
#ifndef WIN32
/**
* Wrapper for socketpair(), which sets the CLOEXEC flag (atomically
* if supported by the OS).
*/
int
socketpair_cloexec(int domain, int type, int protocol, int sv[2]);
#endif
/** /**
* Wrapper for socket(), which sets the CLOEXEC and the NONBLOCK flag * Wrapper for socket(), which sets the CLOEXEC and the NONBLOCK flag
* (atomically if supported by the OS). * (atomically if supported by the OS).