Fix: sendmsg EPIPE should be quiet by default (expected)

[lttng-tools.git] / src / common / sessiond-comm / sessiond-comm.c

diff --git a/src/common/sessiond-comm/sessiond-comm.c b/src/common/sessiond-comm/sessiond-comm.c
index 8a5ff1d3f10520efb26bef784dc7847fd7fba033..477bd1c644ca18a6d87bde40212e46678a3db0b1 100644 (file)
--- a/src/common/sessiond-comm/sessiond-comm.c
+++ b/src/common/sessiond-comm/sessiond-comm.c
@@ -292,7 +292,13 @@ ssize_t lttcomm_send_unix_sock(int sock, void *buf, size_t len)
 
        ret = sendmsg(sock, &msg, 0);
        if (ret < 0) {
-               PERROR("sendmsg");
+               /*
+                * Only warn about EPIPE when quiet mode is deactivated.
+                * We consider EPIPE as expected.
+                */
+               if (errno != EPIPE || !opt_quiet) {
+                       PERROR("sendmsg");
+               }
        }
 
        return ret;
@@ -357,7 +363,13 @@ ssize_t lttcomm_send_fds_unix_sock(int sock, int *fds, size_t nb_fd)
 
        ret = sendmsg(sock, &msg, 0);
        if (ret < 0) {
-               PERROR("sendmsg");
+               /*
+                * Only warn about EPIPE when quiet mode is deactivated.
+                * We consider EPIPE as expected.
+                */
+               if (errno != EPIPE || !opt_quiet) {
+                       PERROR("sendmsg");
+               }
        }
        return ret;
 }
@@ -466,9 +478,14 @@ ssize_t lttcomm_send_creds_unix_sock(int sock, void *buf, size_t len)
 
        ret = sendmsg(sock, &msg, 0);
        if (ret < 0) {
-               PERROR("sendmsg");
+               /*
+                * Only warn about EPIPE when quiet mode is deactivated.
+                * We consider EPIPE as expected.
+                */
+               if (errno != EPIPE || !opt_quiet) {
+                       PERROR("sendmsg");
+               }
        }
-
        return ret;
 }