Added NXFLAT a bit at a time

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1889 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 124 insertions, 0 deletions

diff --git a/nuttx/examples/nxflat/tests/task/task.c b/nuttx/examples/nxflat/tests/task/task.c
new file mode 100644
index 000000000..28ec88d5f
--- /dev/null
+++ b/nuttx/examples/nxflat/tests/task/task.c
@@ -0,0 +1,124 @@
+/****************************************************************************
+ * examples/nxflat/tests/task/parent.c
+ *
+ *   Copyright (C) 2009 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * 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 <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sched.h>
+#include <semaphore.h>
+#include <errno.h>
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static char child_arg[] = "Hello from your parent!";
+static sem_t g_sem;
+
+/****************************************************************************
+ * Privite Functions
+ ****************************************************************************/
+
+int child_task(int argc, char **argv, char **envp)
+{
+  printf("Child: execv was successful!\n");
+  printf("Child: argc=%d\n", argc);
+
+  if (argc != 2)
+    {
+      printf("Child: expected argc to be 2\n");
+      printf("Child: Exit-ting with status=2\n");
+      exit(2);
+    }
+
+  printf("Child: argv[0]=\"%s\"\n", argv[0]);
+
+  if (strcmp(argv[0], my_path) != 0)
+    {
+      printf("Child: expected argv[0] to be \"%s\"\n", my_path);
+      printf("Child: Exit-ting with status=3\n");
+      exit(3);
+    }
+
+  printf("Child: argv[1]=\"%s\"\n", argv[1]);
+
+  if (strcmp(argv[1], child_arg) != 0)
+    {
+      printf("Child: expected argv[1] to be \"%s\"\n", parent_arg);
+      printf("Child: Exit-ting with status=4\n");
+      exit(4);
+    }
+
+  printf("Child: Exit-ting with status=0\n");
+  sem_post(&g_sem);
+  return 0;
+}
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+int main(int argc, char **argv, char **envp)
+{
+  pid_t parent_pid = getpid();
+  char *child_argv[2];
+  int ret;
+
+  printf("Parent: Started, pid=%d\n", parent_pid);
+
+  sem_init(&g_sem, 0, 0);
+
+  printf("Parent: Calling task_create()\n");
+
+  child_argv[0] = child_arg;
+  child_argv[1] = 0;
+  ret = task_create("child", 50, 512, child_task, &child_arg);
+  if (ret != 0)
+    {
+      printf("Parent: task_create failed: %d\n", errno);
+    }
+
+  printf("Parent: Waiting for child\n");
+  sem_wait(&g_sem);
+  printf("Parent: Exiting\n");
+  sem_destroy(&g_sem);
+  return 0;
+}
+