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| author | Pau Espin Pedrol <pespin@sysmocom.de> | 2020-11-25 17:50:21 +0100 |
|---|---|---|
| committer | Pau Espin Pedrol <pespin@sysmocom.de> | 2020-11-25 17:50:21 +0100 |
| commit | 57db77f185b12003e91ec165eecd2d79c589f9fc (patch) | |
| tree | b51d9c03aa9b7089ad327d634a13f524afee2136 /Transceiver52M/osmo-trx.cpp | |
| parent | 94def47fdfb69f17cde7766332aec7fe74dc69c4 (diff) | |
main: 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: I3a3ff56cb2d740a33731ecfdf76aa32606872883
Fixes: OS#4865
Diffstat (limited to 'Transceiver52M/osmo-trx.cpp')
| -rw-r--r-- | Transceiver52M/osmo-trx.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Transceiver52M/osmo-trx.cpp b/Transceiver52M/osmo-trx.cpp index 5099f89..2d45932 100644 --- a/Transceiver52M/osmo-trx.cpp +++ b/Transceiver52M/osmo-trx.cpp @@ -177,6 +177,17 @@ static void sig_handler(int signo) gshutdown = true; 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(tall_trx_ctx, stderr); + talloc_report_full(tall_trx_ctx, stderr); + signal(SIGABRT, SIG_DFL); + raise(SIGABRT); + break; case SIGUSR1: talloc_report(tall_trx_ctx, stderr); talloc_report_full(tall_trx_ctx, stderr); |