[PATCH] uml: move libc-dependent code from trap_user.c

[linux-2.6] / arch / um / kernel / tt / trap_user.c

diff --git a/arch/um/kernel/tt/trap_user.c b/arch/um/kernel/tt/trap_user.c
index 7501900f8941feecb59ed63700962c6087a54262..a414c529fbcd78b91350db486527a1bf37742c2a 100644 (file)
--- 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();