Set thread names

Change-Id: I9b44dd9eeb1d8e291c35d1d4a040a1425ba7c305
---
M daemon/gtp_endpoint.c
M daemon/tun_device.c
2 files changed, 16 insertions(+), 0 deletions(-)


git pull ssh://gerrit.osmocom.org:29418/osmo-uecups refs/changes/89/40789/1

diff --git a/daemon/gtp_endpoint.c b/daemon/gtp_endpoint.c
index 08c0f44..bcd3ce3 100644
--- a/daemon/gtp_endpoint.c
+++ b/daemon/gtp_endpoint.c
@@ -1,4 +1,8 @@
 /* SPDX-License-Identifier: GPL-2.0 */
+
+/*pthread.h pthread_setname_np(): */
+#define _GNU_SOURCE
+
 #include <stdint.h>
 #include <stdbool.h>
 #include <stdlib.h>
@@ -135,8 +139,12 @@
 {
 	struct gtp_endpoint *ep = (struct gtp_endpoint *)arg;
 	int old_cancelst_unused;
+	char thread_name[16];
 	uint8_t buffer[sizeof(struct gtp1_header) + sizeof(struct gtp1_exthdr) + MAX_UDP_PACKET];
 
+	snprintf(thread_name, sizeof(thread_name), "RxGtpu%s", ep->name);
+	pthread_setname_np(pthread_self(), thread_name);
+
 	while (1) {
 		int rc;
 
diff --git a/daemon/tun_device.c b/daemon/tun_device.c
index 5d71147..3444b2d 100644
--- a/daemon/tun_device.c
+++ b/daemon/tun_device.c
@@ -1,4 +1,8 @@
 /* SPDX-License-Identifier: GPL-2.0 */
+
+/*pthread.h pthread_setname_np(): */
+#define _GNU_SOURCE
+
 #include <unistd.h>
 #include <stdint.h>
 #include <stdbool.h>
@@ -200,6 +204,7 @@
 {
 	struct tun_device *tun = (struct tun_device *)arg;
 	struct gtp_daemon *d = tun->d;
+	char thread_name[16];
 	/* Make sure "buffer" below ends up aligned to 4byte so that it can access struct iphdr in a 4-byte aligned way. */
 	const size_t payload_off_4byte_aligned = ((sizeof(struct gtp1_header) + sizeof(struct gtp1_exthdr)) + 3) & (~0x3);
 	uint8_t base_buffer[payload_off_4byte_aligned + MAX_UDP_PACKET];
@@ -211,6 +216,9 @@
 	 * holding the logging mutex, hence causing deadlock with main (or other)
 	 * thread. */
 
+	snprintf(thread_name, sizeof(thread_name), "Rx%s", tun->devname);
+	pthread_setname_np(pthread_self(), thread_name);
+
 	while (1) {
 		struct gtp_tunnel *t;
 		struct pkt_info pinfo;

