Per POSIX, fix raise() and abort() to send the signal to the current thread.

Should make coredumps from abort() easier to debug too.

ok kurt@

2 files changed, 9 insertions, 5 deletions

diff --git a/lib/libc/gen/raise.c b/lib/libc/gen/raise.c
index 3ca6d3dfac6..d80513fc3fc 100644
--- a/lib/libc/gen/raise.c
+++ b/lib/libc/gen/raise.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: raise.c,v 1.5 2005/08/08 08:05:34 espie Exp $ */
+/*	$OpenBSD: raise.c,v 1.6 2012/11/10 03:46:11 guenther Exp $ */
 /*-
  * Copyright (c) 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
@@ -31,8 +31,10 @@
 #include <signal.h>
 #include <unistd.h>
 
+int	_thread_sys_getthrid(void);
+
 int
 raise(int s)
 {
-	return(kill(getpid(), s));
+	return(kill(_thread_sys_getthrid(), s));
 }
diff --git a/lib/libc/stdlib/abort.c b/lib/libc/stdlib/abort.c
index 244e3b28aa2..4c8dc70a1d5 100644
--- a/lib/libc/stdlib/abort.c
+++ b/lib/libc/stdlib/abort.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: abort.c,v 1.15 2007/09/03 14:40:16 millert Exp $ */
+/*	$OpenBSD: abort.c,v 1.16 2012/11/10 03:46:11 guenther Exp $ */
 /*
  * Copyright (c) 1985 Regents of the University of California.
  * All rights reserved.
@@ -34,6 +34,8 @@
 #include "thread_private.h"
 #include "atexit.h"
 
+int	_thread_sys_sigprocmask(int, const sigset_t *, sigset_t *);
+
 void
 abort(void)
 {
@@ -65,7 +67,7 @@ abort(void)
 		}
 	}
 
-	(void)kill(getpid(), SIGABRT);
+	(void)raise(SIGABRT);
 
 	/*
 	 * if SIGABRT ignored, or caught and the handler returns, do
@@ -73,6 +75,6 @@ abort(void)
 	 */
 	(void)signal(SIGABRT, SIG_DFL);
 	(void)_thread_sys_sigprocmask(SIG_SETMASK, &mask, (sigset_t *)NULL);
-	(void)kill(getpid(), SIGABRT);
+	(void)raise(SIGABRT);
 	_exit(1);
 }