X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fmain.c;h=40670ddd52a5c150053e0ae0fe60ca6f1b252184;hp=1964fe0cca3b80e57b8293d00aa12cfb92d18790;hb=4d62fbf82e90a66f7196331bf515f58e63801d35;hpb=28ce0ff234b384b2611179bd45bb8e37e2875f1a

diff --git a/src/bin/lttng-sessiond/main.c b/src/bin/lttng-sessiond/main.c
index 1964fe0cc..40670ddd5 100644
--- a/src/bin/lttng-sessiond/main.c
+++ b/src/bin/lttng-sessiond/main.c
@@ -3058,7 +3058,6 @@ static int process_client_msg(struct command_ctx *cmd_ctx, int sock,
 	case LTTNG_CREATE_SESSION:
 	case LTTNG_CREATE_SESSION_SNAPSHOT:
 	case LTTNG_CREATE_SESSION_LIVE:
-	case LTTNG_CALIBRATE:
 	case LTTNG_LIST_SESSIONS:
 	case LTTNG_LIST_TRACEPOINTS:
 	case LTTNG_LIST_SYSCALLS:
@@ -3900,12 +3899,6 @@ error_add_context:
 		ret = LTTNG_OK;
 		break;
 	}
-	case LTTNG_CALIBRATE:
-	{
-		ret = cmd_calibrate(cmd_ctx->lsm->domain.type,
-				&cmd_ctx->lsm->u.calibrate);
-		break;
-	}
 	case LTTNG_REGISTER_CONSUMER:
 	{
 		struct consumer_data *cdata;
@@ -4332,7 +4325,7 @@ error:
 	}
 
 	lttng_poll_clean(&events);
-
+	stop_threads();
 	rcu_unregister_thread();
 	return NULL;
 }
@@ -5370,9 +5363,6 @@ error:
 static void sighandler(int sig)
 {
 	switch (sig) {
-	case SIGPIPE:
-		DBG("SIGPIPE caught");
-		return;
 	case SIGINT:
 		DBG("SIGINT caught");
 		stop_threads();
@@ -5404,9 +5394,10 @@ static int set_signal_handler(void)
 		return ret;
 	}
 
-	sa.sa_handler = sighandler;
 	sa.sa_mask = sigset;
 	sa.sa_flags = 0;
+
+	sa.sa_handler = sighandler;
 	if ((ret = sigaction(SIGTERM, &sa, NULL)) < 0) {
 		PERROR("sigaction");
 		return ret;
@@ -5417,12 +5408,13 @@ static int set_signal_handler(void)
 		return ret;
 	}
 
-	if ((ret = sigaction(SIGPIPE, &sa, NULL)) < 0) {
+	if ((ret = sigaction(SIGUSR1, &sa, NULL)) < 0) {
 		PERROR("sigaction");
 		return ret;
 	}
 
-	if ((ret = sigaction(SIGUSR1, &sa, NULL)) < 0) {
+	sa.sa_handler = SIG_IGN;
+	if ((ret = sigaction(SIGPIPE, &sa, NULL)) < 0) {
 		PERROR("sigaction");
 		return ret;
 	}
@@ -6155,6 +6147,12 @@ exit_client:
 exit_health:
 
 exit_init_data:
+	/*
+	 * Wait for all pending call_rcu work to complete before tearing
+	 * down data structures. call_rcu worker may be trying to
+	 * perform lookups in those structures.
+	 */
+	rcu_barrier();
 	/*
 	 * sessiond_cleanup() is called when no other thread is running, except
 	 * the ht_cleanup thread, which is needed to destroy the hash tables.