X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=signal.c;h=59a0d45aba7ad975fc287862308891435c4e9095;hp=84f73fc8a9e373e7abdf6a6d7043f3c1be5e07b3;hb=20ad4f0f93da79e2ec0a9699dff58b9922556438;hpb=74361f472d6d1a75a313cb3a6b4528cfeacfff0a;ds=sidebyside

diff --git a/signal.c b/signal.c
index 84f73fc8..59a0d45a 100644
--- a/signal.c
+++ b/signal.c
@@ -122,12 +122,11 @@ void para_reap_children(void)
  * \param sig The number of the signal to catch.
  * \param handler to be installed, \p SIG_IGN, or \p SIG_DFL.
  *
- * \return This function returns 1 on success and \p -E_SIGNAL_SIG_ERR on
- * errors.
+ * This either succeeds or calls exit(EXIT_FAILURE).
  *
  * \sa sigaction(2).
  */
-int para_sigaction(int sig, void (*handler)(int))
+void para_sigaction(int sig, void (*handler)(int))
 {
 	struct sigaction act;
 
@@ -144,9 +143,11 @@ int para_sigaction(int sig, void (*handler)(int))
 			act.sa_flags |= SA_RESTART;
 		#endif
 	}
-	if (sigaction(sig, &act, NULL) < 0)
-		return -E_SIGNAL_SIG_ERR;
-	return 1;
+	if (sigaction(sig, &act, NULL) >= 0)
+		return;
+	PARA_EMERG_LOG("failed to install signal handler for signal %d\n",
+		sig);
+	exit(EXIT_FAILURE);
 }
 
 /**
@@ -154,14 +155,11 @@ int para_sigaction(int sig, void (*handler)(int))
  *
  * \param sig The number of the signal to catch.
  *
- * \return This function returns 1 on success and \p -E_SIGNAL_SIG_ERR on
- * errors.
- *
  * \sa signal(2), sigaction(2).
  */
-int para_install_sighandler(int sig)
+void para_install_sighandler(int sig)
 {
-	return para_sigaction(sig, &generic_signal_handler);
+	para_sigaction(sig, &generic_signal_handler);
 }
 
 /**