diff options
Diffstat (limited to 'arch/um/kernel/signal.c')
| -rw-r--r-- | arch/um/kernel/signal.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/arch/um/kernel/signal.c b/arch/um/kernel/signal.c index 57acbd67d85d..3d57c71c532e 100644 --- a/arch/um/kernel/signal.c +++ b/arch/um/kernel/signal.c @@ -1,20 +1,48 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) - * Licensed under the GPL */ #include <linux/module.h> #include <linux/ptrace.h> #include <linux/sched.h> +#include <linux/ftrace.h> #include <asm/siginfo.h> #include <asm/signal.h> #include <asm/unistd.h> #include <frame_kern.h> #include <kern_util.h> +#include <os.h> EXPORT_SYMBOL(block_signals); EXPORT_SYMBOL(unblock_signals); +void block_signals_trace(void) +{ + block_signals(); + if (current_thread_info()) + trace_hardirqs_off(); +} + +void unblock_signals_trace(void) +{ + if (current_thread_info()) + trace_hardirqs_on(); + unblock_signals(); +} + +void um_trace_signals_on(void) +{ + if (current_thread_info()) + trace_hardirqs_on(); +} + +void um_trace_signals_off(void) +{ + if (current_thread_info()) + trace_hardirqs_off(); +} + /* * OK, we're invoking a handler */ |