summaryrefslogtreecommitdiff
path: root/server/util/server.c
diff options
context:
space:
mode:
Diffstat (limited to 'server/util/server.c')
-rw-r--r--server/util/server.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/server/util/server.c b/server/util/server.c
index fd6e4cdc..d20a823c 100644
--- a/server/util/server.c
+++ b/server/util/server.c
@@ -33,6 +33,10 @@
#include "ldb.h"
#include "confdb/confdb.h"
+#ifdef HAVE_PRCTL
+#include <sys/prctl.h>
+#endif
+
/*******************************************************************
Close the low 3 fd's and open dev/null in their place.
********************************************************************/
@@ -191,6 +195,21 @@ static void sig_term(int sig)
exit(0);
}
+#ifndef HAVE_PRCTL
+static void sig_segv_abrt(int sig)
+{
+#if HAVE_GETPGRP
+ static int done;
+ if (done == 0 && getpgrp() == getpid()) {
+ DEBUG(0,("%s: killing children\n", strsignal(sig)));
+ done = 1;
+ kill(-getpgrp(), SIGTERM);
+ }
+#endif /* HAVE_GETPGRP */
+ exit(1);
+}
+#endif /* HAVE_PRCTL */
+
/*
setup signal masks
*/
@@ -219,6 +238,14 @@ static void setup_signals(void)
CatchSignal(SIGHUP, sig_hup);
CatchSignal(SIGTERM, sig_term);
+
+#ifndef HAVE_PRCTL
+ /* If prctl is not defined on the system, try to handle
+ * some common termination signals gracefully */
+ CatchSignal(SIGSEGV, sig_segv_abrt);
+ CatchSignal(SIGABRT, sig_segv_abrt);
+#endif
+
}
/*
@@ -244,6 +271,23 @@ static void server_stdin_handler(struct tevent_context *event_ctx,
/*
main server helpers.
*/
+
+int die_if_parent_died(void)
+{
+#ifdef HAVE_PRCTL
+ int ret;
+
+ errno = 0;
+ ret = prctl(PR_SET_PDEATHSIG, SIGTERM, 0, 0, 0);
+ if (ret != 0) {
+ ret = errno;
+ DEBUG(2, ("prctl failed [%d]: %s", ret, strerror(ret)));
+ return ret;
+ }
+#endif
+ return EOK;
+}
+
int server_setup(const char *name, int flags,
const char *conf_entry,
struct main_context **main_ctx)