diff options
Diffstat (limited to 'arch/um/kernel/tt/trap_user.c')
| -rw-r--r-- | arch/um/kernel/tt/trap_user.c | 14 |
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(); |