Don't report back error on syscalls fail for -a -k

[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 bb4a11934f2c42c9a00ae2a1475844969789b4ac..11319f333e84f34d30a75132d981444d136f7e24 100644 (file)
--- a/src/common/sessiond-comm/sessiond-comm.c
+++ b/src/common/sessiond-comm/sessiond-comm.c
@@ -60,6 +60,7 @@ static const char *lttcomm_readable_code[] = {
        [ LTTCOMM_ERR_INDEX(LTTCOMM_KERN_VERSION) ] = "Kernel tracer version is not compatible",
        [ LTTCOMM_ERR_INDEX(LTTCOMM_KERN_EVENT_EXIST) ] = "Kernel event already exists",
        [ LTTCOMM_ERR_INDEX(LTTCOMM_KERN_SESS_FAIL) ] = "Kernel create session failed",
+       [ LTTCOMM_ERR_INDEX(LTTCOMM_KERN_CHAN_EXIST) ] = "Kernel channel already exists",
        [ LTTCOMM_ERR_INDEX(LTTCOMM_KERN_CHAN_FAIL) ] = "Kernel create channel failed",
        [ LTTCOMM_ERR_INDEX(LTTCOMM_KERN_CHAN_NOT_FOUND) ] = "Kernel channel not found",
        [ LTTCOMM_ERR_INDEX(LTTCOMM_KERN_CHAN_DISABLE_FAIL) ] = "Disable kernel channel failed",
@@ -104,6 +105,7 @@ static const char *lttcomm_readable_code[] = {
        [ LTTCOMM_ERR_INDEX(LTTCOMM_NEED_ROOT_SESSIOND) ] = "Tracing the kernel requires a root lttng-sessiond daemon and \"tracing\" group user membership",
        [ LTTCOMM_ERR_INDEX(LTTCOMM_TRACE_ALREADY_STARTED) ] = "Tracing already started",
        [ LTTCOMM_ERR_INDEX(LTTCOMM_TRACE_ALREADY_STOPPED) ] = "Tracing already stopped",
+       [ LTTCOMM_ERR_INDEX(LTTCOMM_KERN_EVENT_ENOSYS) ] = "Kernel event type not supported",
 
        [ LTTCOMM_ERR_INDEX(CONSUMERD_COMMAND_SOCK_READY) ] = "consumerd command socket ready",
        [ LTTCOMM_ERR_INDEX(CONSUMERD_SUCCESS_RECV_FD) ] = "consumerd success on receiving fds",
@@ -367,7 +369,9 @@ ssize_t lttcomm_send_fds_unix_sock(int sock, int *fds, size_t nb_fd)
        msg.msg_iov = iov;
        msg.msg_iovlen = 1;
 
-       ret = sendmsg(sock, &msg, 0);
+       do {
+               ret = sendmsg(sock, &msg, 0);
+       } while (ret < 0 && errno == EINTR);
        if (ret < 0) {
                /*
                 * Only warn about EPIPE when quiet mode is deactivated.
@@ -488,7 +492,9 @@ ssize_t lttcomm_send_creds_unix_sock(int sock, void *buf, size_t len)
        LTTNG_SOCK_SET_PID_CRED(creds, getpid());
 #endif /* __linux__ */
 
-       ret = sendmsg(sock, &msg, 0);
+       do {
+               ret = sendmsg(sock, &msg, 0);
+       } while (ret < 0 && errno == EINTR);
        if (ret < 0) {
                /*
                 * Only warn about EPIPE when quiet mode is deactivated.