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-rw-r--r--apps/examples/elf/tests/pthread/pthread.c143
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diff --git a/apps/examples/elf/tests/pthread/pthread.c b/apps/examples/elf/tests/pthread/pthread.c
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+/****************************************************************************
+ * examples/elf/tests/pthread/pthread.c
+ *
+ * Copyright (C) 2012 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 <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <pthread.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define CHILD_ARG ((void*)0x12345678)
+#define CHILD_RET ((void*)0x87654321)
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+enum exit_values_e
+{
+ TESTRESULT_SUCCESS = 0,
+ TESTRESULT_PTHREAD_ATTR_INIT_FAIL,
+ TESTRESULT_PTHREAD_CREATE_FAIL,
+ TESTRESULT_PTHREAD_JOIN_FAIL,
+ TESTRESULT_CHILD_ARG_FAIL,
+ TESTRESULT_CHILD_RETVAL_FAIL,
+};
+
+/****************************************************************************
+ * External Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/* NOTE: it is necessary for functions that are referred to by function pointers
+ * pointer to be declared with global scope (at least for ARM). Otherwise,
+ * a relocation type that is not supported by ELF is generated by GCC.
+ */
+
+void *child_start_routine(void *arg)
+{
+ printf("CHILD: started with arg=%d\n", (int)arg);
+
+ if (arg != CHILD_ARG)
+ {
+ printf("CHILD: expected arg=%d\n", (int)CHILD_ARG);
+ return (void*)TESTRESULT_CHILD_ARG_FAIL;
+ }
+ sleep(2);
+
+ printf("CHILD: returning %d\n", (int)CHILD_RET);
+ pthread_exit(CHILD_RET);
+}
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+int main(int argc, char **argv)
+{
+ pthread_attr_t attr;
+ pthread_t thread;
+ void *retval;
+ int status;
+
+ puts("PARENT: started\n");
+
+ status = pthread_attr_init(&attr);
+ if (status != 0)
+ {
+ printf("PARENT: pthread_attr_init() returned %d\n", status);
+ exit(TESTRESULT_PTHREAD_ATTR_INIT_FAIL);
+ }
+
+ printf("PARENT: calling pthread_start with arg=%d\n", (int)CHILD_ARG);
+ status = pthread_create(&thread, &attr, child_start_routine, CHILD_ARG);
+ if (status != 0)
+ {
+ printf("PARENT: pthread_create() returned %d\n", status);
+ exit(TESTRESULT_PTHREAD_CREATE_FAIL);
+ }
+
+ status = pthread_join(thread, &retval);
+ if (status != 0)
+ {
+ printf("PARENT pthread_join() returned %d\n", status);
+
+ exit(TESTRESULT_PTHREAD_JOIN_FAIL);
+ }
+
+ printf("PARENT child exitted with %d\n", (int)retval);
+ if (retval != CHILD_RET)
+ {
+ printf("PARENT child thread did not exit with %d\n", (int)CHILD_RET);
+ exit(TESTRESULT_CHILD_RETVAL_FAIL);
+ }
+
+ puts("PARENT returning success\n");
+ return TESTRESULT_SUCCESS;
+}