aboutsummaryrefslogtreecommitdiff
path: root/nuttx/sched/sig_unmaskpendingsignal.c
diff options
context:
space:
mode:
Diffstat (limited to 'nuttx/sched/sig_unmaskpendingsignal.c')
-rw-r--r--nuttx/sched/sig_unmaskpendingsignal.c138
1 files changed, 0 insertions, 138 deletions
diff --git a/nuttx/sched/sig_unmaskpendingsignal.c b/nuttx/sched/sig_unmaskpendingsignal.c
deleted file mode 100644
index a7bcc7a29..000000000
--- a/nuttx/sched/sig_unmaskpendingsignal.c
+++ /dev/null
@@ -1,138 +0,0 @@
-/************************************************************************
- * sched/sig_unmaskpendingsignal.c
- *
- * Copyright (C) 2007, 2009 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ************************************************************************/
-
-/************************************************************************
- * Included Files
- ************************************************************************/
-
-#include <nuttx/config.h>
-
-#include <sched.h>
-
-#include "os_internal.h"
-#include "sig_internal.h"
-
-/************************************************************************
- * Definitions
- ************************************************************************/
-
-/************************************************************************
- * Private Type Declarations
- ************************************************************************/
-
-/************************************************************************
- * Global Variables
- ************************************************************************/
-
-/************************************************************************
- * Private Variables
- ************************************************************************/
-
-/************************************************************************
- * Private Function Prototypes
- ************************************************************************/
-
-/************************************************************************
- * Public Functions
- ************************************************************************/
-
-/************************************************************************
- * Name: sig_unmaskpendingsignal
- *
- * Description:
- * Based upon the current setting of the sigprocmask, this function
- * unmasks and processes any pending signals. This function should
- * be called whenever the sigprocmask is changed.
- *
- ************************************************************************/
-
-void sig_unmaskpendingsignal(void)
-{
- FAR _TCB *rtcb = (FAR _TCB*)g_readytorun.head;
- sigset_t unmaskedset;
- FAR sigpendq_t *pendingsig;
- int signo;
-
- /* Prohibit any context switches until we are done with this.
- * We may still be performing signal operations from interrupt
- * handlers, however, none of the pending signals that we
- * are concerned with here should be effected.
- */
-
- sched_lock();
-
- /* Get the set of pending signals that were just unmasked. The
- * following operation should be safe because the sigprocmask
- * can only be changed on this thread of execution.
- */
-
- unmaskedset = ~(rtcb->sigprocmask) & sig_pendingset(rtcb);
-
- /* Loop while there are unmasked pending signals to be processed. */
-
- while (unmaskedset != NULL_SIGNAL_SET)
- {
- /* Pending signals will be processed from lowest numbered signal
- * to highest
- */
-
- signo = sig_lowest(&unmaskedset);
- if (signo != ERROR)
- {
- /* Remove the signal from the set of unmasked signals. NOTE:
- * this implicitly assumes that only one instance for a given
- * signal number is pending.
- */
-
- sigdelset(&unmaskedset, signo);
-
- /* Remove the pending signal from the list of pending signals */
-
- if ((pendingsig = sig_removependingsignal(rtcb, signo)) != NULL)
- {
- /* If there is one, then process it like a normal signal */
-
- sig_received(rtcb, &pendingsig->info);
-
- /* Then remove it from the pending signal list */
-
- sig_releasependingsignal(pendingsig);
- }
- }
- }
-
- sched_unlock();
-}
-