X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Fum%2Fkernel%2Ftt%2Ftrap_user.c;h=a414c529fbcd78b91350db486527a1bf37742c2a;hb=ea2ba7dc3dd3f85034e6da6abacc813d723a2ad5;hp=7501900f8941feecb59ed63700962c6087a54262;hpb=0805d89c151b4800eade4c2f50d39c5253d7d054;p=linux-2.6

diff --git a/arch/um/kernel/tt/trap_user.c b/arch/um/kernel/tt/trap_user.c
index 7501900f89..a414c529fb 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();