Module Name: src
Committed By: jmcneill
Date: Sun Aug 28 00:40:10 UTC 2011
Modified Files:
src/sys/arch/usermode/dev: cpu.c
src/sys/arch/usermode/usermode: trap.c
Log Message:
cpu_lwp_trampoline isn't supposed to return, so drop the atexit handler
and drop a panic() at the end of the function
To generate a diff of this commit:
cvs rdiff -u -r1.19 -r1.20 src/sys/arch/usermode/dev/cpu.c
cvs rdiff -u -r1.8 -r1.9 src/sys/arch/usermode/usermode/trap.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/usermode/dev/cpu.c
diff -u src/sys/arch/usermode/dev/cpu.c:1.19 src/sys/arch/usermode/dev/cpu.c:1.20
--- src/sys/arch/usermode/dev/cpu.c:1.19 Sat Aug 27 21:43:06 2011
+++ src/sys/arch/usermode/dev/cpu.c Sun Aug 28 00:40:10 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: cpu.c,v 1.19 2011/08/27 21:43:06 jmcneill Exp $ */
+/* $NetBSD: cpu.c,v 1.20 2011/08/28 00:40:10 jmcneill Exp $ */
/*-
* Copyright (c) 2007 Jared D. McNeill <[email protected]>
@@ -29,7 +29,7 @@
#include "opt_cpu.h"
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.19 2011/08/27 21:43:06 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.20 2011/08/28 00:40:10 jmcneill Exp $");
#include <sys/param.h>
#include <sys/conf.h>
@@ -275,6 +275,8 @@
lwp_startup(curcpu()->ci_stash, curlwp);
func(arg);
+
+ panic("%s: shouldn't return", __func__);
}
void
Index: src/sys/arch/usermode/usermode/trap.c
diff -u src/sys/arch/usermode/usermode/trap.c:1.8 src/sys/arch/usermode/usermode/trap.c:1.9
--- src/sys/arch/usermode/usermode/trap.c:1.8 Sat Aug 27 21:19:17 2011
+++ src/sys/arch/usermode/usermode/trap.c Sun Aug 28 00:40:10 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: trap.c,v 1.8 2011/08/27 21:19:17 reinoud Exp $ */
+/* $NetBSD: trap.c,v 1.9 2011/08/28 00:40:10 jmcneill Exp $ */
/*-
* Copyright (c) 2011 Reinoud Zandijk <[email protected]>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.8 2011/08/27 21:19:17 reinoud Exp $");
+__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.9 2011/08/28 00:40:10 jmcneill Exp $");
#include <sys/types.h>
#include <sys/param.h>
@@ -48,7 +48,6 @@
void setup_signal_handlers(void);
static void mem_access_handler(int sig, siginfo_t *info, void *ctx);
-static void exit_func(void);
static struct sigaction sa;
@@ -59,14 +58,6 @@
{
}
-static void
-exit_func(void)
-{
- if (panicstr == NULL)
- child_return(curlwp);
- panic("atexit() with panic `%s`", panicstr);
-}
-
void
setup_signal_handlers(void)
{
@@ -77,8 +68,6 @@
panic("couldn't register SIGSEGV handler : %d", errno);
if (thunk_sigaction(SIGBUS, &sa, NULL) == -1)
panic("couldn't register SIGBUS handler : %d", errno);
- if (thunk_atexit(exit_func))
- panic("couldn't register atexit() handler : %d", errno);
}
static struct trapframe kernel_tf;
