diff options
author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-01-11 16:53:44 +0000 |
---|---|---|
committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-01-11 16:53:44 +0000 |
commit | e7a5090e55f7db78164fda2696af414c3e083806 (patch) | |
tree | 46e6b528a6ace37a9ec35f2e4c1d7d3fe8b510f5 /apps/examples/posix_spawn/spawn_main.c | |
parent | b26d1e14537568d79c5d805939408ecfca966072 (diff) | |
download | px4-firmware-e7a5090e55f7db78164fda2696af414c3e083806.tar.gz px4-firmware-e7a5090e55f7db78164fda2696af414c3e083806.tar.bz2 px4-firmware-e7a5090e55f7db78164fda2696af414c3e083806.zip |
Various changes while debugging posix_spawn
git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5510 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'apps/examples/posix_spawn/spawn_main.c')
-rw-r--r-- | apps/examples/posix_spawn/spawn_main.c | 118 |
1 files changed, 109 insertions, 9 deletions
diff --git a/apps/examples/posix_spawn/spawn_main.c b/apps/examples/posix_spawn/spawn_main.c index 608145232..6f8859516 100644 --- a/apps/examples/posix_spawn/spawn_main.c +++ b/apps/examples/posix_spawn/spawn_main.c @@ -138,11 +138,15 @@ static unsigned int g_mmstep; /* Memory Usage at beginning of test step */ static const char delimiter[] = "****************************************************************************"; -static const char program[] = "program"; -static const char data[] = "testdata.txt"; +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 ****************************************************************************/ @@ -284,11 +288,87 @@ int spawn_main(int argc, char *argv[]) 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 + *************************************************************************/ + /* Output a seperated so that we can clearly discriminate the output of * this program from the others. */ - testheader(program); + testheader(g_redirect); /* Initialize the attributes file actions structure */ @@ -297,12 +377,14 @@ int spawn_main(int argc, char *argv[]) { 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"); @@ -313,13 +395,15 @@ int spawn_main(int argc, char *argv[]) { err("ERROR: posix_spawn_file_actions_addclose failed: %d\n", ret); } + posix_spawn_file_actions_dump(&file_actions); - snprintf(fullpath, 128, "%s/%s", MOUNTPT, data); + 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"); @@ -330,9 +414,9 @@ int spawn_main(int argc, char *argv[]) */ #ifdef CONFIG_BINFMT_EXEPATH - filepath = program; + filepath = g_redirect; #else - snprintf(fullpath, 128, "%s/%s", MOUNTPT, program); + snprintf(fullpath, 128, "%s/%s", MOUNTPT, g_redirect); filepath = fullpath; #endif @@ -346,13 +430,29 @@ int spawn_main(int argc, char *argv[]) err("ERROR: posix_spawn failed: %d\n", ret); } - sleep(1); + 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 */ - (void)posix_spawn_file_actions_destroy(&file_actions); - (void)posix_spawnattr_destroy(&attr); elf_uninitialize(); mm_update(&g_mmstep, "End-of-Test"); |