Add configure-time check whether sig_atomic_t is defined; if not,

provide a default definition equating it to 'int'.  Should trigger only
on machines with pre-ANSI-C header files, eg SunOS 4.1.x.

1 files changed, 6 insertions, 1 deletions

diff --git a/src/include/c.h b/src/include/c.h
index 201552d72b7..74bf434acb9 100644
--- a/src/include/c.h
+++ b/src/include/c.h
@@ -12,7 +12,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: c.h,v 1.112 2001/12/02 11:38:40 petere Exp $
+ * $Id: c.h,v 1.113 2001/12/03 17:44:52 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -302,6 +302,11 @@ typedef unsigned long int uint64;
 
 #endif /* not HAVE_LONG_INT_64 and not HAVE_LONG_LONG_INT_64 */
 
+/* sig_atomic_t is required by ANSI C, but may be missing on old platforms */
+#ifndef HAVE_SIG_ATOMIC_T
+typedef int sig_atomic_t;
+#endif
+
 /*
  * Size
  *		Size of any memory resident object, as returned by sizeof.