9fdb1157ee
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5142 42af7a65-404d-4744-a932-0658087f49c3
144 lines
5.0 KiB
C
144 lines
5.0 KiB
C
/****************************************************************************
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* examples/nxflat/tests/pthread/pthread.c
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*
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* Copyright (C) 2009 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 <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <pthread.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define CHILD_ARG ((void*)0x12345678)
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#define CHILD_RET ((void*)0x87654321)
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/****************************************************************************
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* Private Types
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****************************************************************************/
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enum exit_values_e
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{
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TESTRESULT_SUCCESS = 0,
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TESTRESULT_PTHREAD_ATTR_INIT_FAIL,
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TESTRESULT_PTHREAD_CREATE_FAIL,
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TESTRESULT_PTHREAD_JOIN_FAIL,
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TESTRESULT_CHILD_ARG_FAIL,
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TESTRESULT_CHILD_RETVAL_FAIL,
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};
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/****************************************************************************
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* External Functions
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****************************************************************************/
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/* NOTE: it is necessary for functions that are referred to by function pointers
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* pointer to be declared with global scope (at least for ARM). Otherwise,
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* a relocation type that is not supported by NXFLAT is generated by GCC.
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*/
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void *child_start_routine(void *arg)
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{
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printf("CHILD: started with arg=%d\n", (int)arg);
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if (arg != CHILD_ARG)
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{
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printf("CHILD: expected arg=%d\n", (int)CHILD_ARG);
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return (void*)TESTRESULT_CHILD_ARG_FAIL;
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}
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sleep(2);
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printf("CHILD: returning %d\n", (int)CHILD_RET);
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pthread_exit(CHILD_RET);
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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int main(int argc, char **argv)
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{
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pthread_attr_t attr;
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pthread_t thread;
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void *retval;
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int status;
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puts("PARENT: started\n");
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status = pthread_attr_init(&attr);
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if (status != 0)
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{
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printf("PARENT: pthread_attr_init() returned %d\n", status);
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exit(TESTRESULT_PTHREAD_ATTR_INIT_FAIL);
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}
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printf("PARENT: calling pthread_start with arg=%d\n", (int)CHILD_ARG);
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status = pthread_create(&thread, &attr, child_start_routine, CHILD_ARG);
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if (status != 0)
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{
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printf("PARENT: pthread_create() returned %d\n", status);
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exit(TESTRESULT_PTHREAD_CREATE_FAIL);
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}
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status = pthread_join(thread, &retval);
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if (status != 0)
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{
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printf("PARENT pthread_join() returned %d\n", status);
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exit(TESTRESULT_PTHREAD_JOIN_FAIL);
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}
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printf("PARENT child exitted with %d\n", (int)retval);
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if (retval != CHILD_RET)
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{
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printf("PARENT child thread did not exit with %d\n", (int)CHILD_RET);
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exit(TESTRESULT_CHILD_RETVAL_FAIL);
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}
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puts("PARENT returning success\n");
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return TESTRESULT_SUCCESS;
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}
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