SubmittingPatches: document how to reference previous commits

diff --git a/sigchain.c b/sigchain.c
index a18d505e56b2f80e3ecae00afdfa05f9b87dc119..2ac43bbd282492e3c35c6ac5f96b14a541ed74c6 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
 
@@ -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);
+}