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Diffstat (limited to 'apps/examples/ostest/vfork.c')
-rw-r--r-- | apps/examples/ostest/vfork.c | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/apps/examples/ostest/vfork.c b/apps/examples/ostest/vfork.c deleted file mode 100644 index 4e1b8c892..000000000 --- a/apps/examples/ostest/vfork.c +++ /dev/null @@ -1,103 +0,0 @@ -/**************************************************************************** - * examples/ostest/vfork.c - * - * Copyright (C) 2013 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 <nuttx/config.h> - -#include <stdbool.h> -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <errno.h> - -#include "ostest.h" - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -#if defined(CONFIG_ARCH_HAVE_VFORK) && !defined(CONFIG_DISABLE_SIGNALS) -static volatile bool g_vforkchild; -#endif - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -int vfork_test(void) -{ -#if defined(CONFIG_ARCH_HAVE_VFORK) && !defined(CONFIG_DISABLE_SIGNALS) - pid_t pid; - - g_vforkchild = false; - pid = vfork(); - if (pid == 0) - { - /* There is not very much that the child is permitted to do. Perhaps - * it can just set g_vforkchild. - */ - - g_vforkchild = true; - exit(0); - } - else if (pid < 0) - { - printf("vfork_test: vfork() failed: %d\n", errno); - return -1; - } - else - { - sleep(1); - if (g_vforkchild) - { - printf("vfork_test: Child %d ran successfully\n", pid); - } - else - { - printf("vfork_test: ERROR Child %d did not run\n", pid); - return -1; - } - } -#endif - - return 0; -} |