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Diffstat (limited to 'arch/um/kernel/tt/trap_user.c')
-rw-r--r--arch/um/kernel/tt/trap_user.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/arch/um/kernel/tt/trap_user.c b/arch/um/kernel/tt/trap_user.c
index 7501900f8941..a414c529fbcd 100644
--- a/arch/um/kernel/tt/trap_user.c
+++ b/arch/um/kernel/tt/trap_user.c
@@ -1,4 +1,4 @@
-/*
+/*
* Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
* Licensed under the GPL
*/
@@ -18,8 +18,8 @@ void sig_handler_common_tt(int sig, void *sc_ptr)
{
struct sigcontext *sc = sc_ptr;
struct tt_regs save_regs, *r;
- struct signal_info *info;
int save_errno = errno, is_user;
+ void (*handler)(int, union uml_pt_regs *);
/* This is done because to allow SIGSEGV to be delivered inside a SEGV
* handler. This can happen in copy_user, and if SEGV is disabled,
@@ -40,10 +40,14 @@ void sig_handler_common_tt(int sig, void *sc_ptr)
if(sig != SIGUSR2)
r->syscall = -1;
- info = &sig_info[sig];
- if(!info->is_irq) unblock_signals();
+ handler = sig_info[sig];
+
+ /* unblock SIGALRM, SIGVTALRM, SIGIO if sig isn't IRQ signal */
+ if (sig != SIGIO && sig != SIGWINCH &&
+ sig != SIGVTALRM && sig != SIGALRM)
+ unblock_signals();
- (*info->handler)(sig, (union uml_pt_regs *) r);
+ handler(sig, (union uml_pt_regs *) r);
if(is_user){
interrupt_end();
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