path: root/src
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authorPau Espin Pedrol <pespin@sysmocom.de>2020-11-25 17:43:32 +0100
committerPau Espin Pedrol <pespin@sysmocom.de>2020-11-26 13:40:57 +0100
commit58cd1d2f8a0474de45112e8d6e460051494eba79 (patch)
treea8e73a8ae89c94d210b3598073bebd3a48d245ca /src
parent4e8f2c310ffb9d8471ecd85256619a7bc42d0afc (diff)
main: generate coredump and exit upon SIGABRT receivedHEADmaster
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: I8f02925eedd8855bb58555df20b443f79d5c6da8 Fixes: OS#4865
Diffstat (limited to 'src')
1 files changed, 9 insertions, 2 deletions
diff --git a/src/pcu_main.cpp b/src/pcu_main.cpp
index 8ec9048..2138fd9 100644
--- a/src/pcu_main.cpp
+++ b/src/pcu_main.cpp
@@ -203,9 +203,16 @@ void sighandler(int sigset)
quit = 1;
- /* in case of abort, we want to obtain a talloc report
- * and then return to the caller, who will abort the process
+ /* 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_pcu_ctx, stderr);
+ signal(SIGABRT, SIG_DFL);
+ raise(SIGABRT);
+ break;
case SIGUSR1:
case SIGUSR2:
talloc_report_full(tall_pcu_ctx, stderr);