diff options
Diffstat (limited to 'nuttx/sched/sig_queue.c')
| -rw-r--r-- | nuttx/sched/sig_queue.c | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/nuttx/sched/sig_queue.c b/nuttx/sched/sig_queue.c deleted file mode 100644 index db404238e..000000000 --- a/nuttx/sched/sig_queue.c +++ /dev/null @@ -1,166 +0,0 @@ -/**************************************************************************** - * sched/sig_queue.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 <debug.h> -#include <sched.h> -#include <errno.h> - -#include "os_internal.h" -#include "sig_internal.h" - -/**************************************************************************** - * Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Type Declarations - ****************************************************************************/ - -/**************************************************************************** - * Global Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: sigqueue - * - * Description: - * This function sends the signal specified by signo with the signal - * parameter value to the process specified by pid. - * - * If the receiving process has the signal blocked via the sigprocmask, - * the signal will pend until it is unmasked. Only one pending signal (per - * signo) is retained. This is consistent with POSIX which states, "If - * a subsequent occurrence of a pending signal is generated, it is - * implementation defined as to whether the signal is delivered more than - * once." - * - * Parameters: - * pid - Process ID of task to receive signal - * signo - Signal number - * value - Value to pass to task with signal - * - * Return Value: - * On success (at least one signal was sent), zero is returned. On - * error, -1 is returned, and errno is set appropriately: - * - * EGAIN The limit of signals which may be queued has been reached. - * EINVAL sig was invalid. - * EPERM The process does not have permission to send the - * signal to the receiving process. - * ESRCH No process has a PID matching pid. - * - * Assumptions: - * - ****************************************************************************/ - -#ifdef CONFIG_CAN_PASS_STRUCTS -int sigqueue (int pid, int signo, union sigval value) -#else -int sigqueue(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; - - /* Sanity checks */ - - if (!GOOD_SIGNO(signo)) - { - set_errno(EINVAL); - return ERROR; - } - - sched_lock(); - - /* Get the TCB of the receiving task */ - - stcb = sched_gettcb(pid); -#ifdef CONFIG_CAN_PASS_STRUCTS - sdbg("TCB=0x%08x signo=%d value=%d\n", stcb, signo, value.sival_int); -#else - sdbg("TCB=0x%08x signo=%d value=%p\n", stcb, signo, sival_ptr); -#endif - if (pid == 0 || !stcb) - { - set_errno(ESRCH); - sched_unlock(); - return ERROR; - } - - /* Create the siginfo structure */ - - info.si_signo = signo; - info.si_code = SI_QUEUE; -#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 - - /* Send the signal */ - - ret = sig_received(stcb, &info); - sched_unlock(); - return ret; -} - |