laforge has uploaded this change for review. (
https://gerrit.osmocom.org/c/osmo-mgw/+/36355?usp=email )
Change subject: mgw: Add our usual SIGABRT, USR1, USR2 signal handlers
......................................................................
mgw: Add our usual SIGABRT, USR1, USR2 signal handlers
This is mostly related to talloc reports.
Change-Id: Idc35444d2b8a0bc52c267b468dfa3c1b59f9187a
---
M src/osmo-mgw/mgw_main.c
1 file changed, 39 insertions(+), 0 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-mgw refs/changes/55/36355/1
diff --git a/src/osmo-mgw/mgw_main.c b/src/osmo-mgw/mgw_main.c
index 5a62e95..0e85e38 100644
--- a/src/osmo-mgw/mgw_main.c
+++ b/src/osmo-mgw/mgw_main.c
@@ -280,6 +280,31 @@
return vty->node;
}
+static void signal_handler(int signum)
+{
+ fprintf(stdout, "signal %u received\n", signum);
+
+ switch (signum) {
+ case SIGABRT:
+ /* in case of abort, we want to obtain a talloc report and
+ * then run default SIGABRT handler, who will generate coredump
+ * and abort the process. abort() should do this for us after we
+ * return, but program wouldn't exit if an external SIGABRT is
+ * received.
+ */
+ talloc_report(tall_vty_ctx, stderr);
+ talloc_report_full(tall_mgw_ctx, stderr);
+ signal(SIGABRT, SIG_DFL);
+ raise(SIGABRT);
+ break;
+ case SIGUSR1:
+ talloc_report(tall_vty_ctx, stderr);
+ talloc_report_full(tall_mgw_ctx, stderr);
+ break;
+ default:
+ break;
+ }
+}
static struct vty_app_info vty_info = {
.name = "OsmoMGW",
@@ -328,6 +353,9 @@
msgb_talloc_ctx_init(tall_mgw_ctx, 0);
+ signal(SIGABRT, &signal_handler);
+ signal(SIGUSR1, &signal_handler);
+ signal(SIGUSR2, &signal_handler);
osmo_init_ignore_signals();
osmo_init_logging2(tall_mgw_ctx, &log_info);
libosmo_abis_init(tall_mgw_ctx);
--
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Gerrit-Project: osmo-mgw
Gerrit-Branch: master
Gerrit-Change-Id: Idc35444d2b8a0bc52c267b468dfa3c1b59f9187a
Gerrit-Change-Number: 36355
Gerrit-PatchSet: 1
Gerrit-Owner: laforge <[email protected]>
Gerrit-MessageType: newchange
