diff options
Diffstat (limited to 'server/util/server.c')
| -rw-r--r-- | server/util/server.c | 44 |
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) |