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socket: Set SOCK_CLOEXEC if available

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Reported by Марк Коренберг <socketpair@gmail.com>
This commit is contained in:
Thomas Graf 2011-06-15 17:37:28 +02:00
parent c881908ac7
commit ca0fc75580
1 changed files with 8 additions and 2 deletions
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10
lib/nl.c
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@ -101,14 +101,20 @@
* Creates a netlink socket using the specified protocol, binds the socket
* and issues a connection attempt.
*
* @note SOCK_CLOEXEC is set on the socket if available.
*
* @return 0 on success or a negative error code.
*/
int nl_connect(struct nl_sock *sk, int protocol)
{
int err;
int err, flags = 0;
socklen_t addrlen;
sk->s_fd = socket(AF_NETLINK, SOCK_RAW, protocol);
#ifdef SOCK_CLOEXEC
flags |= SOCK_CLOEXEC;
#endif
sk->s_fd = socket(AF_NETLINK, SOCK_RAW | flags, protocol);
if (sk->s_fd < 0) {
err = -nl_syserr2nlerr(errno);
goto errout;