travis-ci: switch to Xcode 10.1 macOS image

diff --git a/sigchain.c b/sigchain.c
index a18d505e56b2f80e3ecae00afdfa05f9b87dc119..022677b6abaf918f51804a8fcbf18776aa3f2be5 100644 (file)
--- a/sigchain.c
+++ b/sigchain.c
@@ -1,5 +1,5 @@
-#include "sigchain.h"
 #include "cache.h"
+#include "sigchain.h"
 
 #define SIGCHAIN_MAX_SIGNALS 32
 
@@ -13,7 +13,7 @@ static struct sigchain_signal signals[SIGCHAIN_MAX_SIGNALS];
 static void check_signum(int sig)
 {
        if (sig < 1 || sig >= SIGCHAIN_MAX_SIGNALS)
-               die("BUG: signal out of range: %d", sig);
+               BUG("signal out of range: %d", sig);
 }
 
 int sigchain_push(int sig, sigchain_fun f)
@@ -41,3 +41,21 @@ int sigchain_pop(int sig)
        s->n--;
        return 0;
 }
+
+void sigchain_push_common(sigchain_fun f)
+{
+       sigchain_push(SIGINT, f);
+       sigchain_push(SIGHUP, f);
+       sigchain_push(SIGTERM, f);
+       sigchain_push(SIGQUIT, f);
+       sigchain_push(SIGPIPE, f);
+}
+
+void sigchain_pop_common(void)
+{
+       sigchain_pop(SIGPIPE);
+       sigchain_pop(SIGQUIT);
+       sigchain_pop(SIGTERM);
+       sigchain_pop(SIGHUP);
+       sigchain_pop(SIGINT);
+}