diff options
author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-01-11 16:53:44 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-01-11 16:53:44 +0000 |
commit | 7272d1e7473fc1ce1d0a29c7287260402ca2420e (patch) | |
tree | 46e6b528a6ace37a9ec35f2e4c1d7d3fe8b510f5 /apps/examples/posix_spawn | |
parent | 8b26f2afdf93273f95e24840b68df485f971f89a (diff) | |
download | px4-nuttx-7272d1e7473fc1ce1d0a29c7287260402ca2420e.tar.gz px4-nuttx-7272d1e7473fc1ce1d0a29c7287260402ca2420e.tar.bz2 px4-nuttx-7272d1e7473fc1ce1d0a29c7287260402ca2420e.zip |
Various changes while debugging posix_spawn
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5510 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'apps/examples/posix_spawn')
-rw-r--r-- | apps/examples/posix_spawn/Makefile | 17 | ||||
-rw-r--r-- | apps/examples/posix_spawn/filesystem/Makefile | 25 | ||||
-rw-r--r-- | apps/examples/posix_spawn/filesystem/hello/Makefile | 59 | ||||
-rw-r--r-- | apps/examples/posix_spawn/filesystem/hello/hello.c | 78 | ||||
-rw-r--r-- | apps/examples/posix_spawn/filesystem/redirect/Makefile (renamed from apps/examples/posix_spawn/filesystem/program/Makefile) | 4 | ||||
-rw-r--r-- | apps/examples/posix_spawn/filesystem/redirect/redirect.c (renamed from apps/examples/posix_spawn/filesystem/program/program.c) | 5 | ||||
-rw-r--r-- | apps/examples/posix_spawn/spawn_main.c | 118 |
7 files changed, 277 insertions, 29 deletions
diff --git a/apps/examples/posix_spawn/Makefile b/apps/examples/posix_spawn/Makefile index d21c8f856..bda3376d2 100644 --- a/apps/examples/posix_spawn/Makefile +++ b/apps/examples/posix_spawn/Makefile @@ -64,8 +64,8 @@ ROOTDEPPATH = --dep-path . --dep-path filesystem VPATH = filesystem -all: .built -.PHONY: really_build clean_filesystem clean depend distclean +all: build +.PHONY: build clean_filesystem clean depend distclean $(AOBJS): %$(OBJEXT): %.S $(call ASSEMBLE, $<, $@) @@ -74,17 +74,16 @@ $(COBJS): %$(OBJEXT): %.c $(call COMPILE, $<, $@) # This is a little messy. The build is broken into two pieces: (1) the -# filesystem/ subdir build that auto-generates several files, and (2) the real +# filesystem/ subdir build that auto-generates several files, and (2) the library # build. This is done because we need a fresh build context after auto- # generating the source files. -really_build: $(OBJS) +build_lib: $(OBJS) $(call ARCHIVE, $(BIN), $(OBJS)) - @touch .built -.built: +build: @$(MAKE) -C filesystem TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)" CROSSDEV=$(CROSSDEV) - @$(MAKE) TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)" really_build + @$(MAKE) TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)" build_lib context: @@ -100,11 +99,13 @@ clean_filesystem: @$(MAKE) -C filesystem TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)" CROSSDEV=$(CROSSDEV) clean clean: clean_filesystem - $(call DELFILE, .built) $(call CLEAN) distclean: clean $(call DELFILE, Make.dep) $(call DELFILE, .depend) +# There are no dependencies in this directory. We should are code some of +# more important dependencies here: + -include Make.dep diff --git a/apps/examples/posix_spawn/filesystem/Makefile b/apps/examples/posix_spawn/filesystem/Makefile index 19a02bb80..2005d060f 100644 --- a/apps/examples/posix_spawn/filesystem/Makefile +++ b/apps/examples/posix_spawn/filesystem/Makefile @@ -44,22 +44,28 @@ ROMFS_HDR = $(FILESYSTEM_DIR)$(DELIM)romfs.h SYMTAB_SRC = $(FILESYSTEM_DIR)$(DELIM)symtab.c all: $(ROMFS_HDR) $(SYMTAB_SRC) -.PHONY: all program clean install populate +.PHONY: all hello redirect clean install populate # Create the romfs directory $(ROMFS_DIR): $(Q) mkdir $(ROMFS_DIR) -# Build the test program +# Build the hello test program -program: $(ROMFS_DIR) - $(Q) $(MAKE) -C program program TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)" ROMFS_DIR="$(ROMFS_DIR)" +hello: $(ROMFS_DIR) + $(Q) $(MAKE) -C hello hello TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)" ROMFS_DIR="$(ROMFS_DIR)" -# Install the test program in the romfs directory +# Build the redirection test program -install: program testdata.txt - $(Q) $(MAKE) -C program install TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)" ROMFS_DIR="$(ROMFS_DIR)" +redirect: $(ROMFS_DIR) + $(Q) $(MAKE) -C redirect redirect TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)" ROMFS_DIR="$(ROMFS_DIR)" + +# Install the test programs in the romfs directory + +install: hello redirect testdata.txt + $(Q) $(MAKE) -C hello install TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)" ROMFS_DIR="$(ROMFS_DIR)" + $(Q) $(MAKE) -C redirect install TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)" ROMFS_DIR="$(ROMFS_DIR)" $(Q) install --mode=0644 testdata.txt $(ROMFS_DIR)/testdata.txt # Create the romfs.img file from the romfs directory @@ -74,12 +80,13 @@ $(ROMFS_HDR) : $(ROMFS_IMG) # Create the exported symbol table -$(SYMTAB_SRC): program +$(SYMTAB_SRC): hello/hello redirect/redirect testdata.txt $(Q) $(FILESYSTEM_DIR)$(DELIM)mksymtab.sh $(ROMFS_DIR) >$@ # Clean each subdirectory clean: - $(Q) $(MAKE) -C program clean TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)" ROMFS_DIR="$(ROMFS_DIR)" + $(Q) $(MAKE) -C hello clean TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)" ROMFS_DIR="$(ROMFS_DIR)" + $(Q) $(MAKE) -C redirect clean TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)" ROMFS_DIR="$(ROMFS_DIR)" $(Q) rm -f $(ROMFS_HDR) $(ROMFS_IMG) $(SYMTAB_SRC) $(Q) rm -rf $(ROMFS_DIR) diff --git a/apps/examples/posix_spawn/filesystem/hello/Makefile b/apps/examples/posix_spawn/filesystem/hello/Makefile new file mode 100644 index 000000000..5cd80411b --- /dev/null +++ b/apps/examples/posix_spawn/filesystem/hello/Makefile @@ -0,0 +1,59 @@ +############################################################################ +# examples/elf/tests/hello/Makefile +# +# 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. +# +############################################################################ + +-include $(TOPDIR)/Make.defs + +BIN = hello + +SRCS = $(BIN).c +OBJS = $(SRCS:.c=.o) + +all: $(BIN) + +$(OBJS): %.o: %.c + @echo "CC: $<" + $(Q) $(CC) -c $(CELFFLAGS) $< -o $@ + +$(BIN): $(OBJS) + @echo "LD: $<" + $(Q) $(LD) $(LDELFFLAGS) -o $@ $^ + +clean: + $(call DELFILE, $(BIN)) + $(call CLEAN) + +install: + $(Q) mkdir -p $(ROMFS_DIR) + $(Q) install $(BIN) $(ROMFS_DIR)/$(BIN) diff --git a/apps/examples/posix_spawn/filesystem/hello/hello.c b/apps/examples/posix_spawn/filesystem/hello/hello.c new file mode 100644 index 000000000..1b269d85f --- /dev/null +++ b/apps/examples/posix_spawn/filesystem/hello/hello.c @@ -0,0 +1,78 @@ +/**************************************************************************** + * examples/posix_spawn/filesystem/hello/hello.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 <stdio.h> +#include <stdlib.h> + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +int main(int argc, char **argv) +{ + int i; + + /* Mandatory "Hello, world!" */ + + puts("Getting ready to say \"Hello, world\"\n"); + printf("Hello, world!\n"); + puts("It has been said.\n"); + + /* Print arguments */ + + printf("argc\t= %d\n", argc); + printf("argv\t= 0x%p\n", argv); + + for (i = 0; i < argc; i++) + { + printf("argv[%d]\t= ", i); + if (argv[i]) + { + printf("(0x%p) \"%s\"\n", argv[i], argv[i]); + } + else + { + printf("NULL?\n"); + } + } + + printf("argv[%d]\t= 0x%p\n", argc, argv[argc]); + printf("Goodbye, world!\n"); + return 0; +} diff --git a/apps/examples/posix_spawn/filesystem/program/Makefile b/apps/examples/posix_spawn/filesystem/redirect/Makefile index cf55797b2..421ff014a 100644 --- a/apps/examples/posix_spawn/filesystem/program/Makefile +++ b/apps/examples/posix_spawn/filesystem/redirect/Makefile @@ -1,5 +1,5 @@ ############################################################################ -# examples/posix_spawn/filesystem/program/Makefile +# examples/posix_spawn/filesystem/redirect/Makefile # # Copyright (C) 2013 Gregory Nutt. All rights reserved. # Author: Gregory Nutt <gnutt@nuttx.org> @@ -35,7 +35,7 @@ -include $(TOPDIR)/Make.defs -BIN = program +BIN = redirect SRCS = $(BIN).c OBJS = $(SRCS:.c=.o) diff --git a/apps/examples/posix_spawn/filesystem/program/program.c b/apps/examples/posix_spawn/filesystem/redirect/redirect.c index f63b559c8..61638df79 100644 --- a/apps/examples/posix_spawn/filesystem/program/program.c +++ b/apps/examples/posix_spawn/filesystem/redirect/redirect.c @@ -1,5 +1,5 @@ /**************************************************************************** - * examples/posix_spawn/filesystem/program/program.c + * examples/posix_spawn/filesystem/redirect/redirect.c * * Copyright (C) 2013 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <gnutt@nuttx.org> @@ -47,6 +47,8 @@ int main(int argc, char **argv) { int ch; + printf("Entering the stdin redirection test\n"); + /* stdin should have been redirected to testdata.txt. Read and print until * we hit the end of file. */ @@ -56,5 +58,6 @@ int main(int argc, char **argv) putchar(ch); } + printf("Exit-ing the stdin redirection test\n"); return 0; } 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"); |