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diff --git a/apps/examples/posix_spawn/spawn_main.c b/apps/examples/posix_spawn/spawn_main.c
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-/****************************************************************************
- * examples/posix_spawn/spawn_main.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 <nuttx/compiler.h>
-
-#include <sys/mount.h>
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <fcntl.h>
-#include <spawn.h>
-#include <debug.h>
-#include <errno.h>
-
-#include <nuttx/ramdisk.h>
-#include <nuttx/binfmt/elf.h>
-#include <nuttx/binfmt/symtab.h>
-
-#include "filesystem/romfs.h"
-
-/****************************************************************************
- * Definitions
- ****************************************************************************/
-
-/* Check configuration. This is not all of the configuration settings that
- * are required -- only the more obvious.
- */
-
-#if CONFIG_NFILE_DESCRIPTORS < 1
-# error "You must provide file descriptors via CONFIG_NFILE_DESCRIPTORS in your configuration file"
-#endif
-
-#ifdef CONFIG_BINFMT_DISABLE
-# error "The binary loader is disabled (CONFIG_BINFMT_DISABLE)!"
-#endif
-
-#ifndef CONFIG_ELF
-# error "You must select CONFIG_ELF in your configuration file"
-#endif
-
-#ifndef CONFIG_FS_ROMFS
-# error "You must select CONFIG_FS_ROMFS in your configuration file"
-#endif
-
-#ifdef CONFIG_DISABLE_MOUNTPOINT
-# error "You must not disable mountpoints via CONFIG_DISABLE_MOUNTPOINT in your configuration file"
-#endif
-
-#ifdef CONFIG_BINFMT_DISABLE
-# error "You must not disable loadable modules via CONFIG_BINFMT_DISABLE in your configuration file"
-#endif
-
-/* Describe the ROMFS file system */
-
-#define SECTORSIZE 512
-#define NSECTORS(b) (((b)+SECTORSIZE-1)/SECTORSIZE)
-#define MOUNTPT "/mnt/romfs"
-
-#ifndef CONFIG_EXAMPLES_ELF_DEVMINOR
-# define CONFIG_EXAMPLES_ELF_DEVMINOR 0
-#endif
-
-#ifndef CONFIG_EXAMPLES_ELF_DEVPATH
-# define CONFIG_EXAMPLES_ELF_DEVPATH "/dev/ram0"
-#endif
-
-/* If CONFIG_DEBUG is enabled, use dbg instead of printf so that the
- * output will be synchronous with the debug output.
- */
-
-#ifdef CONFIG_CPP_HAVE_VARARGS
-# ifdef CONFIG_DEBUG
-# define message(format, arg...) dbg(format, ##arg)
-# define err(format, arg...) dbg(format, ##arg)
-# else
-# define message(format, arg...) printf(format, ##arg)
-# define err(format, arg...) fprintf(stderr, format, ##arg)
-# endif
-#else
-# ifdef CONFIG_DEBUG
-# define message dbg
-# define err dbg
-# else
-# define message printf
-# define err printf
-# endif
-#endif
-
-/****************************************************************************
- * Private Types
- ****************************************************************************/
-
-/****************************************************************************
- * Private Data
- ****************************************************************************/
-
-static unsigned int g_mminitial; /* Initial memory usage */
-static unsigned int g_mmstep; /* Memory Usage at beginning of test step */
-
-static const char delimiter[] =
- "****************************************************************************";
-static const char g_redirect[] = "redirect";
-static const char g_hello[] = "hello";
-static const char g_data[] = "testdata.txt";
-
-static char fullpath[128];
-
-static char * const g_argv[4] =
- { "Argument 1", "Argument 2", "Argument 3", NULL };
-
-/****************************************************************************
- * Symbols from Auto-Generated Code
- ****************************************************************************/
-
-extern const struct symtab_s exports[];
-extern const int nexports;
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: mm_update
- ****************************************************************************/
-
-static void mm_update(FAR unsigned int *previous, FAR const char *msg)
-{
- struct mallinfo mmcurrent;
-
- /* Get the current memory usage */
-
-#ifdef CONFIG_CAN_PASS_STRUCTS
- mmcurrent = mallinfo();
-#else
- (void)mallinfo(&mmcurrent);
-#endif
-
- /* Show the change from the previous time */
-
- printf("\nMemory Usage %s:\n", msg);
- printf(" Before: %8u After: %8u Change: %8d\n",
- *previous, mmcurrent.uordblks, (int)mmcurrent.uordblks - (int)*previous);
-
- /* Set up for the next test */
-
- *previous = mmcurrent.uordblks;
-}
-
-/****************************************************************************
- * Name: mm_initmonitor
- ****************************************************************************/
-
-static void mm_initmonitor(void)
-{
- struct mallinfo mmcurrent;
-
-#ifdef CONFIG_CAN_PASS_STRUCTS
- mmcurrent = mallinfo();
-#else
- (void)mallinfo(&mmcurrent);
-#endif
-
- g_mminitial = mmcurrent.uordblks;
- g_mmstep = mmcurrent.uordblks;
-
- printf("Initial memory usage: %d\n", mmcurrent.uordblks);
-}
-
-/****************************************************************************
- * Name: testheader
- ****************************************************************************/
-
-static inline void testheader(FAR const char *progname)
-{
- message("\n%s\n* Executing %s\n%s\n\n", delimiter, progname, delimiter);
-}
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: spawn_main
- ****************************************************************************/
-
-int spawn_main(int argc, char *argv[])
-{
- posix_spawn_file_actions_t file_actions;
- posix_spawnattr_t attr;
- FAR const char *filepath;
- pid_t pid;
- int ret;
-
- /* Initialize the memory monitor */
-
- mm_initmonitor();
-
- /* Initialize the ELF binary loader */
-
- message("Initializing the ELF binary loader\n");
- ret = elf_initialize();
- if (ret < 0)
- {
- err("ERROR: Initialization of the ELF loader failed: %d\n", ret);
- exit(1);
- }
-
- mm_update(&g_mmstep, "after elf_initialize");
-
- /* Create a ROM disk for the ROMFS filesystem */
-
- message("Registering romdisk at /dev/ram%d\n", CONFIG_EXAMPLES_ELF_DEVMINOR);
- ret = romdisk_register(CONFIG_EXAMPLES_ELF_DEVMINOR, (FAR uint8_t *)romfs_img,
- NSECTORS(romfs_img_len), SECTORSIZE);
- if (ret < 0)
- {
- err("ERROR: romdisk_register failed: %d\n", ret);
- elf_uninitialize();
- exit(1);
- }
-
- mm_update(&g_mmstep, "after romdisk_register");
-
- /* Mount the file system */
-
- message("Mounting ROMFS filesystem at target=%s with source=%s\n",
- MOUNTPT, CONFIG_EXAMPLES_ELF_DEVPATH);
-
- ret = mount(CONFIG_EXAMPLES_ELF_DEVPATH, MOUNTPT, "romfs", MS_RDONLY, NULL);
- if (ret < 0)
- {
- err("ERROR: mount(%s,%s,romfs) failed: %s\n",
- CONFIG_EXAMPLES_ELF_DEVPATH, MOUNTPT, errno);
- elf_uninitialize();
- }
-
- mm_update(&g_mmstep, "after mount");
-
- /* Does the system support the PATH variable? Has the PATH variable
- * already been set? If YES and NO, then set the PATH variable to
- * the ROMFS mountpoint.
- */
-
-#if defined(CONFIG_BINFMT_EXEPATH) && !defined(CONFIG_PATH_INITIAL)
- (void)setenv("PATH", MOUNTPT, 1);
-#endif
-
- /* Make sure that we are using our symbol take */
-
- exec_setsymtab(exports, nexports);
-
- /*************************************************************************
- * Case 1: Simple program with arguments
- *************************************************************************/
-
- /* Output a seperated so that we can clearly discriminate the output of
- * this program from the others.
- */
-
- testheader(g_hello);
-
- /* Initialize the attributes file actions structure */
-
- ret = posix_spawn_file_actions_init(&file_actions);
- if (ret != 0)
- {
- err("ERROR: posix_spawn_file_actions_init failed: %d\n", ret);
- }
- posix_spawn_file_actions_dump(&file_actions);
-
- ret = posix_spawnattr_init(&attr);
- if (ret != 0)
- {
- err("ERROR: posix_spawnattr_init failed: %d\n", ret);
- }
- posix_spawnattr_dump(&attr);
-
- mm_update(&g_mmstep, "after file_action/attr init");
-
- /* If the binary loader does not support the PATH variable, then
- * create the full path to the executable program. Otherwise,
- * use the relative path so that the binary loader will have to
- * search the PATH variable to find the executable.
- */
-
-#ifdef CONFIG_BINFMT_EXEPATH
- filepath = g_hello;
-#else
- snprintf(fullpath, 128, "%s/%s", MOUNTPT, g_hello);
- filepath = fullpath;
-#endif
-
- /* Execute the program */
-
- mm_update(&g_mmstep, "before posix_spawn");
-
- ret = posix_spawn(&pid, filepath, &file_actions, &attr, NULL, (FAR char * const*)&g_argv);
- if (ret != 0)
- {
- err("ERROR: posix_spawn failed: %d\n", ret);
- }
-
- sleep(4);
- mm_update(&g_mmstep, "after posix_spawn");
-
- /* Free attibutes and file actions */
-
- ret = posix_spawn_file_actions_destroy(&file_actions);
- if (ret != 0)
- {
- err("ERROR: posix_spawn_file_actions_destroy failed: %d\n", ret);
- }
- posix_spawn_file_actions_dump(&file_actions);
-
- ret = posix_spawnattr_destroy(&attr);
- if (ret != 0)
- {
- err("ERROR: posix_spawnattr_destroy failed: %d\n", ret);
- }
- posix_spawnattr_dump(&attr);
-
- mm_update(&g_mmstep, "after file_action/attr destruction");
-
- /*************************************************************************
- * Case 2: Simple program with redirection of stdin to a file input
- *************************************************************************/
-
- /* Output a seperated so that we can clearly discriminate the output of
- * this program from the others.
- */
-
- testheader(g_redirect);
-
- /* Initialize the attributes file actions structure */
-
- ret = posix_spawn_file_actions_init(&file_actions);
- if (ret != 0)
- {
- err("ERROR: posix_spawn_file_actions_init failed: %d\n", ret);
- }
- posix_spawn_file_actions_dump(&file_actions);
-
- ret = posix_spawnattr_init(&attr);
- if (ret != 0)
- {
- err("ERROR: posix_spawnattr_init failed: %d\n", ret);
- }
- posix_spawnattr_dump(&attr);
-
- mm_update(&g_mmstep, "after file_action/attr init");
-
- /* Set up to close stdin (0) and open testdata.txt as the program input */
-
- ret = posix_spawn_file_actions_addclose(&file_actions, 0);
- if (ret != 0)
- {
- err("ERROR: posix_spawn_file_actions_addclose failed: %d\n", ret);
- }
- posix_spawn_file_actions_dump(&file_actions);
-
- snprintf(fullpath, 128, "%s/%s", MOUNTPT, g_data);
- ret = posix_spawn_file_actions_addopen(&file_actions, 0, fullpath, O_RDONLY, 0644);
- if (ret != 0)
- {
- err("ERROR: posix_spawn_file_actions_addopen failed: %d\n", ret);
- }
- posix_spawn_file_actions_dump(&file_actions);
-
- mm_update(&g_mmstep, "after adding file_actions");
-
- /* If the binary loader does not support the PATH variable, then
- * create the full path to the executable program. Otherwise,
- * use the relative path so that the binary loader will have to
- * search the PATH variable to find the executable.
- */
-
-#ifdef CONFIG_BINFMT_EXEPATH
- filepath = g_redirect;
-#else
- snprintf(fullpath, 128, "%s/%s", MOUNTPT, g_redirect);
- filepath = fullpath;
-#endif
-
- /* Execute the program */
-
- mm_update(&g_mmstep, "before posix_spawn");
-
- ret = posix_spawn(&pid, filepath, &file_actions, &attr, NULL, NULL);
- if (ret != 0)
- {
- err("ERROR: posix_spawn failed: %d\n", ret);
- }
-
- sleep(2);
- mm_update(&g_mmstep, "after posix_spawn");
-
- /* Free attibutes and file actions */
-
- ret = posix_spawn_file_actions_destroy(&file_actions);
- if (ret != 0)
- {
- err("ERROR: posix_spawn_file_actions_destroy failed: %d\n", ret);
- }
- posix_spawn_file_actions_dump(&file_actions);
-
- ret = posix_spawnattr_destroy(&attr);
- if (ret != 0)
- {
- err("ERROR: posix_spawnattr_destroy failed: %d\n", ret);
- }
- posix_spawnattr_dump(&attr);
-
- mm_update(&g_mmstep, "after file_action/attr destruction");
-
- /* Clean-up */
-
- elf_uninitialize();
-
- mm_update(&g_mmstep, "End-of-Test");
- return 0;
-}
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