Remove unncessary about pthread_setcancelstate in os/kernel/pthread

pthread_setcancelstate.c in os/kernel/pthread is not used

Change-Id: I64c6550b4dba25b70ecb939348c748f2594ebee8
Signed-off-by: jc_.kim <jc_.kim@samsung.com>

diff --git a/os/kernel/pthread/Make.defs b/os/kernel/pthread/Make.defs
index 389754a..015ece9 100644 (file)
--- a/os/kernel/pthread/Make.defs
+++ b/os/kernel/pthread/Make.defs
@@ -59,7 +59,7 @@ CSRCS += pthread_mutexlock.c pthread_mutextrylock.c pthread_mutexunlock.c
 CSRCS += pthread_condinit.c pthread_conddestroy.c
 CSRCS += pthread_condwait.c pthread_condsignal.c pthread_condbroadcast.c
 CSRCS += pthread_barrierinit.c pthread_barrierdestroy.c pthread_barrierwait.c
-CSRCS += pthread_cancel.c pthread_setcancelstate.c
+CSRCS += pthread_cancel.c
 CSRCS += pthread_keycreate.c pthread_setspecific.c pthread_getspecific.c pthread_keydelete.c
 CSRCS += pthread_initialize.c pthread_completejoin.c pthread_findjoininfo.c
 CSRCS += pthread_once.c pthread_release.c pthread_setschedprio.c

diff --git a/os/kernel/pthread/pthread_setcancelstate.c b/os/kernel/pthread/pthread_setcancelstate.c
deleted file mode 100644 (file)
index df90f2c..0000000
--- a/os/kernel/pthread/pthread_setcancelstate.c
+++ /dev/null
@@ -1,142 +0,0 @@
-/****************************************************************************
- *
- * Copyright 2016 Samsung Electronics All Rights Reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
- * either express or implied. See the License for the specific
- * language governing permissions and limitations under the License.
- *
- ****************************************************************************/
-/******************************************************************************************
- * kernel/pthread/pthread_setcancelstate.c
- *
- *   Copyright (C) 2007, 2008 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 <pthread.h>
-#include <errno.h>
-#include "sched/sched.h"
-#include <ttrace.h>
-
-/******************************************************************************************
- * Private Definitions
- ******************************************************************************************/
-
-/******************************************************************************************
- * Private Types
- ******************************************************************************************/
-
-/******************************************************************************************
- * Private Function Prototypes
- ******************************************************************************************/
-
-/******************************************************************************************
- * Global Variables
- ******************************************************************************************/
-
-/******************************************************************************************
- * Private Variables
- ******************************************************************************************/
-
-/******************************************************************************************
- * Private Functions
- ******************************************************************************************/
-
-/******************************************************************************************
- * Public Functions
- ******************************************************************************************/
-
-/******************************************************************************************
- * Name: pthread_setcancelstate
- ******************************************************************************************/
-
-int pthread_setcancelstate(int state, FAR int *oldstate)
-{
-       struct tcb_s *tcb = (struct tcb_s *)g_readytorun.head;
-       int ret = OK;
-
-       trace_begin(TTRACE_TAG_TASK, "pthread_setcancelstate");
-
-       /* Suppress context changes for a bit so that the flags are stable. (the
-        * flags should not change in interrupt handling).
-        */
-
-       sched_lock();
-
-       /* Return the current state if so requrested */
-
-       if (oldstate) {
-               if ((tcb->flags & TCB_FLAG_NONCANCELABLE) != 0) {
-                       *oldstate = PTHREAD_CANCEL_DISABLE;
-               } else {
-                       *oldstate = PTHREAD_CANCEL_ENABLE;
-               }
-       }
-
-       /* Set the new cancellation state */
-
-       if (state == PTHREAD_CANCEL_ENABLE) {
-               unsigned flags = tcb->flags;
-
-               /* Clear the non-cancelable and cancel pending flags */
-
-               tcb->flags &= ~(TCB_FLAG_NONCANCELABLE | TCB_FLAG_CANCEL_PENDING);
-
-               /* If the cancel was pending, then just exit as requested */
-
-               if (flags & TCB_FLAG_CANCEL_PENDING) {
-                       pthread_exit(PTHREAD_CANCELED);
-               }
-       } else if (state == PTHREAD_CANCEL_DISABLE) {
-               /* Set the non-cancelable state */
-
-               tcb->flags |= TCB_FLAG_NONCANCELABLE;
-       } else {
-               ret = EINVAL;
-       }
-
-       sched_unlock();
-       trace_end(TTRACE_TAG_TASK);
-       return ret;
-}