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pespin gerrit-no-reply at lists.osmocom.orgpespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-bts/+/21355 ) Change subject: common: generate coredump and exit upon SIGABRT received ...................................................................... common: generate coredump and exit upon SIGABRT received Previous code relied on abort() switching sigaction to SIG_FDL + retriggering SIGABRT in case the signal handler returns, which would then generate the coredump + terminate the process. However, if a SIGABRT is received from somewhere else (kill -SIGABRT), then the process would print the talloc report and continue running, which is not desired. Change-Id: Ic3b7c223046a80b51f0bd70ef1b15e12e6487ad0 Fixes: OS#4865 --- M src/common/main.c 1 file changed, 13 insertions(+), 3 deletions(-) git pull ssh://gerrit.osmocom.org:29418/osmo-bts refs/changes/55/21355/1 diff --git a/src/common/main.c b/src/common/main.c index f75e096..16ffd1e 100644 --- a/src/common/main.c +++ b/src/common/main.c @@ -214,11 +214,11 @@ /* FIXME: remove this once we add multi-BTS support */ struct gsm_bts *g_bts = NULL; -static void signal_handler(int signal) +static void signal_handler(int signum) { - fprintf(stderr, "signal %u received\n", signal); + fprintf(stderr, "signal %u received\n", signum); - switch (signal) { + switch (signum) { case SIGINT: case SIGTERM: if (!quit) { @@ -230,6 +230,16 @@ quit++; break; 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_full(tall_bts_ctx, stderr); + signal(SIGABRT, SIG_DFL); + raise(SIGABRT); + break; case SIGUSR1: case SIGUSR2: talloc_report_full(tall_bts_ctx, stderr); -- To view, visit https://gerrit.osmocom.org/c/osmo-bts/+/21355 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-bts Gerrit-Branch: master Gerrit-Change-Id: Ic3b7c223046a80b51f0bd70ef1b15e12e6487ad0 Gerrit-Change-Number: 21355 Gerrit-PatchSet: 1 Gerrit-Owner: pespin <pespin at sysmocom.de> Gerrit-MessageType: newchange -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20201125/f1966e4f/attachment.htm>