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, 3 insertions, 1 deletions

diff --git a/lib/lib.c b/lib/lib.c
index 17a4f483..9deadad9 100644
--- a/lib/lib.c
+++ b/lib/lib.c
@@ -854,7 +854,9 @@ void sigatexit(void *handler)
   int i;
 
   for (i=0; signames[i].num != SIGCHLD; i++)
-    signal(signames[i].num, handler ? exit_signal : SIG_DFL);
+    if (signames[i].num != SIGKILL)
+      xsignal(signames[i].num, handler ? exit_signal : SIG_DFL);
+
   if (handler) {
     al = xmalloc(sizeof(struct arg_list));
     al->next = toys.xexit;