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Diffstat (limited to 'nuttx/sched/sig_mqnotempty.c')
-rw-r--r-- | nuttx/sched/sig_mqnotempty.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/nuttx/sched/sig_mqnotempty.c b/nuttx/sched/sig_mqnotempty.c deleted file mode 100644 index f7ae6fd0d..000000000 --- a/nuttx/sched/sig_mqnotempty.c +++ /dev/null @@ -1,135 +0,0 @@ -/**************************************************************************** - * sched/sig_mqnotempty.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 <nuttx/compiler.h> - -#include <signal.h> -#include <sched.h> -#include <debug.h> - -#include "os_internal.h" -#include "sig_internal.h" - -/**************************************************************************** - * Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Type Declarations - ****************************************************************************/ - -/**************************************************************************** - * Global Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Functionss - ****************************************************************************/ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: sig_mqnotempty - * - * Description: - * This function is equivalent to sigqueue(), but supports the messaging - * system's requirement to signal a task when a message queue becomes - * non-empty. It is identical to sigqueue(), except that it sets the - * si_code field in the siginfo structure to SI_MESGQ rather than SI_QUEUE. - * - ****************************************************************************/ - -#ifdef CONFIG_CAN_PASS_STRUCTS -int sig_mqnotempty (int pid, int signo, union sigval value) -#else -int sig_mqnotempty (int pid, int signo, void *sival_ptr) -#endif -{ -#ifdef CONFIG_SCHED_HAVE_PARENT - FAR _TCB *rtcb = (FAR _TCB *)g_readytorun.head; -#endif - FAR _TCB *stcb; - siginfo_t info; - int ret = ERROR; - - sched_lock(); - - /* Get the TCB of the receiving task */ - - stcb = sched_gettcb(pid); - -#ifdef CONFIG_CAN_PASS_STRUCTS - sdbg("TCB=%p signo=%d value=%d\n", stcb, signo, value.sival_int); -#else - sdbg("TCB=%p signo=%d sival_ptr=%p\n", stcb, signo, sival_ptr); -#endif - - /* Create the siginfo structure */ - - info.si_signo = signo; - info.si_code = SI_MESGQ; -#ifdef CONFIG_CAN_PASS_STRUCTS - info.si_value = value; -#else - info.si_value.sival_ptr = sival_ptr; -#endif -#ifdef CONFIG_SCHED_HAVE_PARENT - info.si_pid = rtcb->pid; - info.si_status = OK; -#endif - - /* Verify that we can perform the signalling operation */ - - if ((stcb) && (GOOD_SIGNO(signo))) - { - /* Process the receipt of the signal */ - - ret = sig_received(stcb, &info); - } - - sched_unlock(); - return ret; -} |