Add xsignal_flags() and more consistently use xsignal() instead of signal().

xsignal() wraps sigaction() giving control of SA_RESTART behavior and such.

1 files changed, 7 insertions, 1 deletions

diff --git a/lib/xwrap.c b/lib/xwrap.c
index 3e0f57e4..7276151f 100644
--- a/lib/xwrap.c
+++ b/lib/xwrap.c
@@ -841,12 +841,18 @@ char *xtzset(char *new)
 }
 
 // Set a signal handler
-void xsignal(int signal, void *handler)
+void xsignal_flags(int signal, void *handler, int flags)
 {
   struct sigaction *sa = (void *)libbuf;
 
   memset(sa, 0, sizeof(struct sigaction));
   sa->sa_handler = handler;
+  sa->sa_flags = flags;
 
   if (sigaction(signal, sa, 0)) perror_exit("xsignal %d", signal);
 }
+
+void xsignal(int signal, void *handler)
+{
+  xsignal_flags(signal, handler, 0);
+}