Module Name: src
Committed By: jmcneill
Date: Tue Dec 27 20:59:24 UTC 2011
Modified Files:
src/sys/arch/usermode/usermode: thunk.c
Log Message:
implement thunk_signal using sigaction so we ensure all of our signal
handlers run on the alternate signal stack
To generate a diff of this commit:
cvs rdiff -u -r1.54 -r1.55 src/sys/arch/usermode/usermode/thunk.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/usermode/thunk.c
diff -u src/sys/arch/usermode/usermode/thunk.c:1.54 src/sys/arch/usermode/usermode/thunk.c:1.55
--- src/sys/arch/usermode/usermode/thunk.c:1.54 Mon Dec 26 21:06:42 2011
+++ src/sys/arch/usermode/usermode/thunk.c Tue Dec 27 20:59:24 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: thunk.c,v 1.54 2011/12/26 21:06:42 jmcneill Exp $ */
+/* $NetBSD: thunk.c,v 1.55 2011/12/27 20:59:24 jmcneill Exp $ */
/*-
* Copyright (c) 2011 Jared D. McNeill <jmcne...@invisible.ca>
@@ -28,7 +28,7 @@
#include <sys/cdefs.h>
#ifdef __NetBSD__
-__RCSID("$NetBSD: thunk.c,v 1.54 2011/12/26 21:06:42 jmcneill Exp $");
+__RCSID("$NetBSD: thunk.c,v 1.55 2011/12/27 20:59:24 jmcneill Exp $");
#endif
#include <sys/types.h>
@@ -507,7 +507,12 @@ thunk_sigaltstack(const stack_t *ss, sta
void
thunk_signal(int sig, void (*func)(int))
{
- signal(sig, func);
+ struct sigaction sa;
+
+ sa.sa_flags = SA_RESTART | SA_ONSTACK;
+ sa.sa_sigaction = (void (*)(int, siginfo_t *, void *))func;
+ sigemptyset(&sa.sa_mask);
+ sigaction(sig, &sa, NULL);
}
int
