cf99fb40c9
Squashed commit of the following:
libs/libxx: Fix some confusing in naming. If the directory is called libxx, then the library must be libxx.a (unless perhaps LIBCXX is selected).
libs/: Fix paths in moved library directories.
libs: Brute force move of libc, libnx, and libxx to libs. Cannot yet build it in that configuration.
90 lines
3.1 KiB
C
90 lines
3.1 KiB
C
/****************************************************************************
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* libs/libc/pthread/pthread_mutexattr_setprotocol.c
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*
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* Copyright (C) 2016 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <pthread.h>
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#include <assert.h>
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#include <errno.h>
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#include <debug.h>
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: pthread_mutexattr_setprotocol
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*
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* Description:
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* Set mutex protocol attribute.
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*
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* Input Parameters:
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* attr - A pointer to the mutex attributes to be modified
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* protocol - The new protocol to use
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*
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* Returned Value:
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* 0 if successful. Otherwise, an error code.
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*
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****************************************************************************/
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int pthread_mutexattr_setprotocol(FAR pthread_mutexattr_t *attr,
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int protocol)
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{
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linfo("attr=0x%p protocol=%d\n", attr, protocol);
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DEBUGASSERT(attr != NULL);
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#ifdef CONFIG_PRIORITY_INHERITANCE
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if (protocol >= PTHREAD_PRIO_NONE && protocol <= PTHREAD_PRIO_PROTECT)
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{
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attr->proto = protocol;
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return OK;
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}
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return EINVAL;
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#else
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if (protocol == PTHREAD_PRIO_NONE)
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{
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return OK;
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}
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return ENOSYS;
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#endif
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}
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