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Diffstat (limited to 'libxcb/src/xcb_util.c')
-rw-r--r--libxcb/src/xcb_util.c25
1 files changed, 21 insertions, 4 deletions
diff --git a/libxcb/src/xcb_util.c b/libxcb/src/xcb_util.c
index c3cbfa6c1..996ff2518 100644
--- a/libxcb/src/xcb_util.c
+++ b/libxcb/src/xcb_util.c
@@ -41,6 +41,7 @@
#include <stdlib.h>
#include <stddef.h>
#include <unistd.h>
+#include <fcntl.h>
#include <string.h>
#include "xcb.h"
@@ -177,6 +178,22 @@ static int _xcb_open(char *host, char *protocol, const int display)
return _xcb_open_unix(protocol, file);
}
+static int _xcb_socket(int family, int type, int proto)
+{
+ int fd;
+
+#ifdef SOCK_CLOEXEC
+ fd = socket(family, type | SOCK_CLOEXEC, proto);
+ if (fd == -1 && errno == EINVAL)
+#endif
+ {
+ fd = socket(family, type, proto);
+ if (fd >= 0)
+ fcntl(fd, F_SETFD, FD_CLOEXEC);
+ }
+ return fd;
+}
+
#ifdef DNETCONN
static int _xcb_open_decnet(const char *host, const char *protocol, const unsigned short port)
{
@@ -199,7 +216,7 @@ static int _xcb_open_decnet(const char *host, const char *protocol, const unsign
return -1;
addr.sdn_objnum = 0;
- fd = socket(PF_DECnet, SOCK_STREAM, 0);
+ fd = _xcb_socket(PF_DECnet, SOCK_STREAM, 0);
if(fd == -1)
return -1;
@@ -256,7 +273,7 @@ static int _xcb_open_tcp(char *host, char *protocol, const unsigned short port)
for(addr = results; addr; addr = addr->ai_next)
{
- fd = socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
+ fd = _xcb_socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
if(fd >= 0) {
int on = 1;
setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &on, sizeof(on));
@@ -285,7 +302,7 @@ static int _xcb_open_unix(char *protocol, const char *file)
#ifdef HAVE_SOCKADDR_SUN_LEN
addr.sun_len = SUN_LEN(&addr);
#endif
- fd = socket(AF_UNIX, SOCK_STREAM, 0);
+ fd = _xcb_socket(AF_UNIX, SOCK_STREAM, 0);
if(fd == -1)
return -1;
if(connect(fd, (struct sockaddr *) &addr, sizeof(addr)) == -1) {
@@ -311,7 +328,7 @@ static int _xcb_open_abstract(char *protocol, const char *file, size_t filelen)
#ifdef HAVE_SOCKADDR_SUN_LEN
addr.sun_len = 1 + filelen;
#endif
- fd = socket(AF_UNIX, SOCK_STREAM, 0);
+ fd = _xcb_socket(AF_UNIX, SOCK_STREAM, 0);
if (fd == -1)
return -1;
if (connect(fd, (struct sockaddr *) &addr, namelen) == -1) {