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Diffstat (limited to 'nuttx/sched/sig_unmaskpendingsignal.c')
-rw-r--r-- | nuttx/sched/sig_unmaskpendingsignal.c | 138 |
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(); -} - |