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zos: fix setsockopt error when using AF_UNIX

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PR-URL: https://github.com/libuv/libuv/pull/2224
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
Reviewed-By: Yury Selivanov <yury@magic.io>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>
Reviewed-By: Saúl Ibarra Corretgé <saghul@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
This commit is contained in:
Milad Farazmand 2019-03-22 13:20:38 -04:00 committed by cjihrig
parent 3c521dedb4
commit fd67cd538c
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GPG Key ID: 7434390BDBE9B9C5
1 changed files with 17 additions and 3 deletions
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20
src/unix/udp.c
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@ -268,16 +268,30 @@ static void uv__udp_sendmsg(uv_udp_t* handle) {
* are different from the BSDs: it _shares_ the port rather than steal it
* from the current listener. While useful, it's not something we can emulate
* on other platforms so we don't enable it.
*
* zOS does not support getsockname with SO_REUSEPORT option when using
* AF_UNIX.
*/
static int uv__set_reuse(int fd) {
int yes;
#if defined(SO_REUSEPORT) && !defined(__linux__)
yes = 1;
#if defined(SO_REUSEPORT) && defined(__MVS__)
struct sockaddr_in sockfd;
unsigned int sockfd_len = sizeof(sockfd);
if (getsockname(fd, (struct sockaddr*) &sockfd, &sockfd_len) == -1)
return UV__ERR(errno);
if (sockfd.sin_family == AF_UNIX) {
if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)))
return UV__ERR(errno);
} else {
if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &yes, sizeof(yes)))
return UV__ERR(errno);
}
#elif defined(SO_REUSEPORT) && !defined(__linux__)
if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &yes, sizeof(yes)))
return UV__ERR(errno);
#else
yes = 1;
if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)))
return UV__ERR(errno);
#endif