diff options
Diffstat (limited to 'nuttx/arch/z80/src/ez80/ez80_sigdeliver.c')
| -rw-r--r-- | nuttx/arch/z80/src/ez80/ez80_sigdeliver.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/nuttx/arch/z80/src/ez80/ez80_sigdeliver.c b/nuttx/arch/z80/src/ez80/ez80_sigdeliver.c index 90fdf4c6b..86aaad2d5 100644 --- a/nuttx/arch/z80/src/ez80/ez80_sigdeliver.c +++ b/nuttx/arch/z80/src/ez80/ez80_sigdeliver.c @@ -1,7 +1,7 @@ /**************************************************************************** * arch/z80/src/ez80/ez80_sigdeliver.c * - * Copyright (C) 2008-2009 Gregory Nutt. All rights reserved. + * Copyright (C) 2008-2010 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <spudmonkey@racsa.co.cr> * * Redistribution and use in source and binary forms, with or without @@ -72,10 +72,9 @@ * Name: up_sigdeliver * * Description: - * This is the a signal handling trampoline. When a - * signal action was posted. The task context was mucked - * with and forced to branch to this location with interrupts - * disabled. + * This is the a signal handling trampoline. When a signal action was + * posted. The task context was mucked with and forced to branch to this + * location with interrupts disabled. * ****************************************************************************/ @@ -106,8 +105,9 @@ void up_sigdeliver(void) regs[XCPT_I] = rtcb->xcp.saved_i; /* Get a local copy of the sigdeliver function pointer. We do this so - * that we can nullify the sigdeliver function point in the TCB and accept - * more signal deliveries while processing the current pending signals. + * that we can nullify the sigdeliver function pointer in the TCB and + * accept more signal deliveries while processing the current pending + * signals. */ sigdeliver = rtcb->xcp.sigdeliver; @@ -121,12 +121,13 @@ void up_sigdeliver(void) sigdeliver(rtcb); - /* Output any debug messaged BEFORE restoring errno (because they may alter - * errno), then restore the original errno that is needed by the user logic - * (it is probably EINTR). + /* Output any debug messages BEFORE restoring errno (because they may + * alter errno), then disable interrupts again and restore the original + * errno that is needed by the user logic (it is probably EINTR). */ sdbg("Resuming\n"); + (void)irqsave(); rtcb->pterrno = saved_errno; /* Then restore the correct state for this thread of |