Fix wrong return value on consumer socket creation

[lttng-tools.git] / src / common / compat / poll.h

diff --git a/src/common/compat/poll.h b/src/common/compat/poll.h
index 1580a4fb211a24def1146d7ec5c721431c34e3b4..e3a13cedecfeda3768b2df2718ccf0e5af3b4d04 100644 (file)
--- a/src/common/compat/poll.h
+++ b/src/common/compat/poll.h
@@ -50,6 +50,7 @@ static inline void __lttng_poll_free(void *events)
  */
 #ifdef HAVE_EPOLL
 #include <sys/epoll.h>
+#include <stdio.h>
 
 /* See man epoll(7) for this define path */
 #define COMPAT_EPOLL_PROC_PATH "/proc/sys/fs/epoll/max_user_watches"
@@ -146,8 +147,13 @@ static inline void lttng_poll_reset(struct lttng_poll_event *events)
  */
 static inline void lttng_poll_clean(struct lttng_poll_event *events)
 {
+       int ret;
+
        if (events) {
-               close(events->epfd);
+               ret = close(events->epfd);
+               if (ret) {
+                       perror("close");
+               }
                __lttng_poll_free((void *) events->events);
        }
 }
@@ -179,10 +185,17 @@ enum {
        LPOLLRDBAND = POLLRDBAND,
        LPOLLWRNORM = POLLWRNORM,
        LPOLLWRBAND = POLLWRBAND,
+#if __linux__
        LPOLLMSG = POLLMSG,
+       LPOLLRDHUP = POLLRDHUP,
+#elif defined(__FreeBSD__)
+       LPOLLMSG = 0,
+       LPOLLRDHUP = 0,
+#else
+#error "Please add support for your OS."
+#endif /* __linux__ */
        LPOLLERR = POLLERR,
        LPOLLHUP = POLLHUP | POLLNVAL,
-       LPOLLRDHUP = POLLRDHUP,
        /* Close on exec feature does not exist for poll(2) */
        LTTNG_CLOEXEC = 0xdead,
 };