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Diffstat (limited to '')
-rw-r--r-- | libraries/liblutil/signal.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/libraries/liblutil/signal.c b/libraries/liblutil/signal.c new file mode 100644 index 0000000..9d9da7a --- /dev/null +++ b/libraries/liblutil/signal.c @@ -0,0 +1,41 @@ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software <http://www.openldap.org/>. + * + * Copyright 1998-2022 The OpenLDAP Foundation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted only as authorized by the OpenLDAP + * Public License. + * + * A copy of this license is available in the file LICENSE in the + * top-level directory of the distribution or, alternatively, at + * <http://www.OpenLDAP.org/license.html>. + */ + +#include "portable.h" + +#ifdef HAVE_SIGACTION +#include <ac/string.h> +#include <ac/signal.h> + +lutil_sig_t +lutil_sigaction(int sig, lutil_sig_t func) +{ + struct sigaction action, oaction; + + memset( &action, '\0', sizeof(action) ); + + action.sa_handler = func; + sigemptyset( &action.sa_mask ); +#ifdef SA_RESTART + action.sa_flags |= SA_RESTART; +#endif + + if( sigaction( sig, &action, &oaction ) != 0 ) { + return NULL; + } + + return oaction.sa_handler; +} +#endif |