[src/trunk]: src/lib/libedit/TEST Make signal handler safe. From Michael Knu...

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/6520a84e4a70
branches:  trunk
changeset: 580972:6520a84e4a70
user:      christos <christos%NetBSD.org@localhost>
date:      Wed May 18 00:50:24 2005 +0000

description:
Make signal handler safe. From  Michael Knudsen, many thanks.

diffstat:

 lib/libedit/TEST/test.c |  16 +++++++++++-----
 1 files changed, 11 insertions(+), 5 deletions(-)

diffs (51 lines):

diff -r 7b44f93a4752 -r 6520a84e4a70 lib/libedit/TEST/test.c
--- a/lib/libedit/TEST/test.c   Wed May 18 00:31:32 2005 +0000
+++ b/lib/libedit/TEST/test.c   Wed May 18 00:50:24 2005 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: test.c,v 1.15 2003/12/08 12:03:01 lukem Exp $  */
+/*     $NetBSD: test.c,v 1.16 2005/05/18 00:50:24 christos Exp $       */
 
 /*-
  * Copyright (c) 1992, 1993
@@ -42,7 +42,7 @@
 #if 0
 static char sccsid[] = "@(#)test.c     8.1 (Berkeley) 6/4/93";
 #else
-__RCSID("$NetBSD: test.c,v 1.15 2003/12/08 12:03:01 lukem Exp $");
+__RCSID("$NetBSD: test.c,v 1.16 2005/05/18 00:50:24 christos Exp $");
 #endif
 #endif /* not lint && not SCCSID */
 
@@ -63,6 +63,8 @@
 static int continuation = 0;
 static EditLine *el = NULL;
 
+volatile sig_atomic_t gotsig = 0;
+
 static u_char  complete(EditLine *, int);
        int     main(int, char **);
 static char   *prompt(EditLine *);
@@ -80,9 +82,7 @@
 static void
 sig(int i)
 {
-
-       (void) fprintf(stderr, "Got signal %d.\n", i);
-       el_reset(el);
+       gotsig = i;
 }
 
 static unsigned char
@@ -185,6 +185,12 @@
                    (li->cursor >= li->lastchar) ? "" : li->cursor);
 
 #endif
+               if (gotsig) {
+                       (void) fprintf(stderr, "Got signal %d.\n", gotsig);
+                       gotsig = 0;
+                       el_reset(el);
+               }
+
                if (!continuation && num == 1)
                        continue;