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osmo-mgw
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mgw: Add our usual SIGABRT, SIGUSR1 signal handlers 

This is mostly related to talloc reports.

Change-Id: Idc35444d2b8a0bc52c267b468dfa3c1b59f9187a
This commit is contained in:
Harald Welte 2024-03-19 16:19:28 +01:00
parent c4b90354ca
commit 3a971ba0d1
1 changed files with 27 additions and 0 deletions
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27
src/osmo-mgw/mgw_main.c
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@ -280,6 +280,31 @@ int mgcp_vty_go_parent(struct vty *vty)
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 +353,8 @@ int main(int argc, char **argv)
msgb_talloc_ctx_init(tall_mgw_ctx, 0);
signal(SIGABRT, &signal_handler);
signal(SIGUSR1, &signal_handler);
osmo_init_ignore_signals();
osmo_init_logging2(tall_mgw_ctx, &log_info);
libosmo_abis_init(tall_mgw_ctx);