diff options
Diffstat (limited to 'stp/stp_main.c')
| -rw-r--r-- | stp/stp_main.c | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/stp/stp_main.c b/stp/stp_main.c index ac8e6dd..8e3282c 100644 --- a/stp/stp_main.c +++ b/stp/stp_main.c @@ -23,8 +23,11 @@ #include <string.h> #include <unistd.h> #include <getopt.h> +#include <signal.h> #include <osmocom/core/select.h> +#include <osmocom/core/signal.h> +#include <osmocom/core/talloc.h> #include <osmocom/core/utils.h> #include <osmocom/core/logging.h> #include <osmocom/core/application.h> @@ -42,6 +45,8 @@ #include <osmocom/sigtran/protocol/sua.h> #include <osmocom/sigtran/protocol/m3ua.h> +static void *tall_stp_ctx; + /* we only use logging sub-systems of the various libraries so far */ static const struct log_info_cat log_info_cat[] = { }; @@ -122,10 +127,38 @@ static void handle_options(int argc, char **argv) } } +static void signal_handler(int signal) +{ + fprintf(stdout, "signal %u received\n", signal); + + switch (signal) { + case SIGINT: + case SIGTERM: + osmo_signal_dispatch(SS_L_GLOBAL, S_L_GLOBAL_SHUTDOWN, NULL); + sleep(1); + break; + case SIGABRT: + osmo_generate_backtrace(); + /* in case of abort, we want to obtain a talloc report + * and then return to the caller, who will abort the process */ + case SIGUSR1: + talloc_report(tall_vty_ctx, stderr); + talloc_report_full(tall_stp_ctx, stderr); + break; + case SIGUSR2: + talloc_report_full(tall_vty_ctx, stderr); + break; + default: + break; + } +} + int main(int argc, char **argv) { int rc; + tall_stp_ctx = talloc_named_const(NULL, 1, "osmo-stp"); + osmo_init_logging(&log_info); vty_init(&vty_info); @@ -137,7 +170,7 @@ int main(int argc, char **argv) osmo_ss7_init(); osmo_fsm_log_addr(false); logging_vty_add_cmds(&log_info); - osmo_ss7_vty_init_sg(NULL); + osmo_ss7_vty_init_sg(tall_stp_ctx); osmo_fsm_vty_add_cmds(); rc = vty_read_config_file(cmdline_config.config_file, NULL); @@ -153,6 +186,13 @@ int main(int argc, char **argv) exit(1); } + signal(SIGINT, &signal_handler); + signal(SIGTERM, &signal_handler); + signal(SIGABRT, &signal_handler); + signal(SIGUSR1, &signal_handler); + signal(SIGUSR2, &signal_handler); + osmo_init_ignore_signals(); + if (cmdline_config.daemonize) { rc = osmo_daemonize(); if (rc < 0) { |