sigchain: add command to pop all common signals

The new method removes all common signal handlers that were installed
by sigchain_push.

CC: Jeff King <peff@peff.net>
Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/sigchain.c b/sigchain.c
index faa375d..2ac43bb 100644 (file)
--- a/sigchain.c
+++ b/sigchain.c
@@ -50,3 +50,12 @@ void sigchain_push_common(sigchain_fun 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);
+}

diff --git a/sigchain.h b/sigchain.h
index 618083b..138b20f 100644 (file)
--- a/sigchain.h
+++ b/sigchain.h
@@ -7,5 +7,6 @@ int sigchain_push(int sig, sigchain_fun f);
 int sigchain_pop(int sig);
 
 void sigchain_push_common(sigchain_fun f);
+void sigchain_pop_common(void);
 
 #endif /* SIGCHAIN_H */