Fix: honor send timeout on unix socket connect

[lttng-ust.git] / liblttng-ust-comm / lttng-ust-comm.c

diff --git a/liblttng-ust-comm/lttng-ust-comm.c b/liblttng-ust-comm/lttng-ust-comm.c
index 129ad8f259aaa3eea7fea766a567c207fd98797e..c01eb9dec37cc3d76b3dc32308c87519f401753c 100644 (file)
--- a/liblttng-ust-comm/lttng-ust-comm.c
+++ b/liblttng-ust-comm/lttng-ust-comm.c
@@ -95,7 +95,7 @@ const char *lttng_ust_strerror(int code)
  *
  * Connect to unix socket using the path name.
  */
-int ustcomm_connect_unix_sock(const char *pathname)
+int ustcomm_connect_unix_sock(const char *pathname, long timeout)
 {
        struct sockaddr_un sun;
        int fd, ret;
@@ -110,6 +110,15 @@ int ustcomm_connect_unix_sock(const char *pathname)
                ret = -errno;
                goto error;
        }
+       if (timeout >= 0) {
+               /* Give at least 10ms. */
+               if (timeout < 10)
+                       timeout = 10;
+               ret = ustcomm_setsockopt_snd_timeout(fd, timeout);
+               if (ret < 0) {
+                       WARN("Error setting connect socket send timeout");
+               }
+       }
        ret = fcntl(fd, F_SETFD, FD_CLOEXEC);
        if (ret < 0) {
                PERROR("fcntl");