From: Jim Meyering <jim@meyering.net>
Date: Sat, 22 Jun 2002 16:20:15 +0000 (+0000)
Subject: (segv_handler, c_stack_action) [! defined SA_SIGINFO]:
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=19434ee9fb81a65f28fd994e7ee4f99c23cf26e5;p=pspp

(segv_handler, c_stack_action) [! defined SA_SIGINFO]:
Do not assume SA_SIGINFO behavior.
Bug reported by Jim Meyering on NetBSD 1.5.2.
---

diff --git a/lib/c-stack.c b/lib/c-stack.c
index 6e724b74ce..095f890e51 100644
--- a/lib/c-stack.c
+++ b/lib/c-stack.c
@@ -277,7 +277,7 @@ static union
   void *p;
 } alternate_signal_stack;
 
-# if defined SA_ONSTACK && defined _SC_PAGESIZE
+# if defined SA_ONSTACK && defined SA_SIGINFO && defined _SC_PAGESIZE
 
 /* Handle a segmentation violation and exit.  This function is
    async-signal-safe.  */
@@ -363,7 +363,7 @@ c_stack_action (char * const *argv __attribute__ ((unused)),
   stack_overflow_message = _("stack overflow");
 
   {
-# if ! (defined SA_ONSTACK && defined _SC_PAGESIZE)
+# if ! (defined SA_ONSTACK && defined SA_SIGINFO && defined _SC_PAGESIZE)
     return signal (SIGSEGV, die) == SIG_ERR ? -1 : 0;
 # else
     struct sigaction act;