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os: define SOCK_CLOEXEC on Linux

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If it's not already defined, and we are on Linux, #define it. This gets
rid of a load of #ifdefs. This should also allow to use it when the
kernel supports it, but the libc does not define it.

Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>
This commit is contained in:
Pekka Paalanen 2012-04-23 12:10:45 +03:00
parent 1f827a4776
commit 3b29783dc8
3 changed files with 14 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

8
tests/os-wrappers-test.c
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@ -50,12 +50,10 @@ socket(int domain, int type, int protocol)
{
wrapped_calls++;
#ifdef SOCK_CLOEXEC
if (fall_back && (type & SOCK_CLOEXEC)) {
errno = EINVAL;
return -1;
}
#endif
return real_socket(domain, type, protocol);
}
@ -70,17 +68,13 @@ do_os_wrappers_socket_cloexec(int n)
/* simply create a socket that closes on exec */
fd = wl_os_socket_cloexec(PF_LOCAL, SOCK_STREAM, 0);
assert(fd >= 0);
#ifdef SOCK_CLOEXEC
/*
* Must have 2 calls if falling back, but must also allow
* falling back without a forced fallback.
*/
assert(wrapped_calls > n);
#else
assert(wrapped_calls == 1);
#endif
assert(fd >= 0);
exec_fd_leak_check(nr_fds);
}