/**************************************************************************** * apps/examples/ostest/main.c * * Copyright (C) 2007-2009, 2011-2012 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #include #include #include #include #include #include #include #include "ostest.h" /**************************************************************************** * Definitions ****************************************************************************/ #define PRIORITY 100 #define NARGS 4 #define HALF_SECOND_USEC 500000L /**************************************************************************** * Private Data ****************************************************************************/ static const char arg1[] = "Arg1"; static const char arg2[] = "Arg2"; static const char arg3[] = "Arg3"; static const char arg4[] = "Arg4"; #if CONFIG_NFILE_DESCRIPTORS > 0 static const char write_data1[] = "stdio_test: write fd=1\n"; static const char write_data2[] = "stdio_test: write fd=2\n"; #endif #ifdef SDCC /* I am not yet certain why SDCC does not like the following * initializer. It involves some issues with 2- vs 3-byte * pointer types. */ static const char *g_argv[NARGS+1]; #else static const char *g_argv[NARGS+1] = { arg1, arg2, arg3, arg4, NULL }; #endif #ifndef CONFIG_DISABLE_SIGNALS static struct mallinfo g_mmbefore; static struct mallinfo g_mmprevious; static struct mallinfo g_mmafter; #endif #ifndef CONFIG_DISABLE_ENVIRON const char g_var1_name[] = "Variable1"; const char g_var1_value[] = "GoodValue1"; const char g_var2_name[] = "Variable2"; const char g_var2_value[] = "GoodValue2"; const char g_var3_name[] = "Variable3"; const char g_var3_value[] = "GoodValue3"; const char g_bad_value1[] = "BadValue1"; const char g_bad_value2[] = "BadValue2"; const char g_putenv_value[] = "Variable1=BadValue3"; #endif /**************************************************************************** * Private Functions ****************************************************************************/ /**************************************************************************** * Name: show_memory_usage ****************************************************************************/ #ifndef CONFIG_DISABLE_SIGNALS static void show_memory_usage(struct mallinfo *mmbefore, struct mallinfo *mmafter) { printf("VARIABLE BEFORE AFTER\n"); printf("======== ======== ========\n"); printf("arena %8x %8x\n", mmbefore->arena, mmafter->arena); printf("ordblks %8d %8d\n", mmbefore->ordblks, mmafter->ordblks); printf("mxordblk %8x %8x\n", mmbefore->mxordblk, mmafter->mxordblk); printf("uordblks %8x %8x\n", mmbefore->uordblks, mmafter->uordblks); printf("fordblks %8x %8x\n", mmbefore->fordblks, mmafter->fordblks); } #else # define show_memory_usage(mm1, mm2) #endif /**************************************************************************** * Name: check_test_memory_usage ****************************************************************************/ #ifndef CONFIG_DISABLE_SIGNALS static void check_test_memory_usage(void) { /* Wait a little bit to let any threads terminate */ usleep(HALF_SECOND_USEC); /* Get the current memory usage */ #ifdef CONFIG_CAN_PASS_STRUCTS g_mmafter = mallinfo(); #else (void)mallinfo(&g_mmafter); #endif /* Show the change from the previous time */ printf("\nEnd of test memory usage:\n"); show_memory_usage(&g_mmprevious, &g_mmafter); /* Set up for the next test */ #ifdef CONFIG_CAN_PASS_STRUCTS g_mmprevious = g_mmafter; #else memcpy(&g_mmprevious, &g_mmafter, sizeof(struct mallinfo)); #endif /* If so enabled, show the use of priority inheritance resources */ dump_nfreeholders("user_main:"); } #else # define check_test_memory_usage() #endif /**************************************************************************** * Name: show_variable ****************************************************************************/ #ifndef CONFIG_DISABLE_ENVIRON static void show_variable(const char *var_name, const char *exptd_value, bool var_valid) { char *actual_value = getenv(var_name); if (actual_value) { if (var_valid) { if (strcmp(actual_value, exptd_value) == 0) { printf("show_variable: Variable=%s has value=%s\n", var_name, exptd_value); } else { printf("show_variable: ERROR Variable=%s has the wrong value\n", var_name); printf("show_variable: found=%s expected=%s\n", actual_value, exptd_value); } } else { printf("show_variable: ERROR Variable=%s has a value when it should not\n", var_name); printf("show_variable: value=%s\n", actual_value); } } else if (var_valid) { printf("show_variable: ERROR Variable=%s has no value\n", var_name); printf("show_variable: Should have had value=%s\n", exptd_value); } else { printf("show_variable: Variable=%s has no value\n", var_name); } } static void show_environment(bool var1_valid, bool var2_valid, bool var3_valid) { show_variable(g_var1_name, g_var1_value, var1_valid); show_variable(g_var2_name, g_var2_value, var2_valid); show_variable(g_var3_name, g_var3_value, var3_valid); } #else # define show_environment() #endif /**************************************************************************** * Name: user_main ****************************************************************************/ static int user_main(int argc, char *argv[]) { int i; /* Sample the memory usage now */ #ifndef CONFIG_DISABLE_SIGNALS usleep(HALF_SECOND_USEC); #ifdef CONFIG_CAN_PASS_STRUCTS g_mmbefore = mallinfo(); g_mmprevious = g_mmbefore; #else (void)mallinfo(&g_mmbefore); memcpy(&g_mmprevious, &g_mmbefore, sizeof(struct mallinfo)); #endif #endif printf("\nuser_main: Begin argument test\n"); printf("user_main: Started with argc=%d\n", argc); /* Verify passed arguments */ if (argc != NARGS + 1) { printf("user_main: Error expected argc=%d got argc=%d\n", NARGS+1, argc); } for (i = 0; i <= NARGS; i++) { printf("user_main: argv[%d]=\"%s\"\n", i, argv[i]); } for (i = 1; i <= NARGS; i++) { if (strcmp(argv[i], g_argv[i-1]) != 0) { printf("user_main: ERROR argv[%d]: Expected \"%s\" found \"%s\"\n", i, g_argv[i-1], argv[i]); } } check_test_memory_usage(); /* Check environment variables */ #ifndef CONFIG_DISABLE_ENVIRON show_environment(true, true, true); unsetenv(g_var1_name); show_environment(false, true, true); check_test_memory_usage(); clearenv(); show_environment(false, false, false); check_test_memory_usage(); #endif /* Top of test loop */ #if CONFIG_EXAMPLES_OSTEST_LOOPS > 1 for (i = 0; i < CONFIG_EXAMPLES_OSTEST_LOOPS; i++) #elif CONFIG_EXAMPLES_OSTEST_LOOPS == 0 for (;;) #endif { #if CONFIG_NFILE_DESCRIPTORS > 0 /* Checkout /dev/null */ printf("\nuser_main: /dev/null test\n"); dev_null(); check_test_memory_usage(); #endif #ifdef CONFIG_ARCH_FPU /* Check that the FPU is properly supported during context switching */ printf("\nuser_main: FPU test\n"); fpu_test(); check_test_memory_usage(); #endif #ifndef CONFIG_DISABLE_PTHREAD /* Verify pthreads and pthread mutex */ printf("\nuser_main: mutex test\n"); mutex_test(); check_test_memory_usage(); #endif #if !defined(CONFIG_DISABLE_PTHREAD) && defined(CONFIG_MUTEX_TYPES) /* Verify recursive mutexes */ printf("\nuser_main: recursive mutex test\n"); recursive_mutex_test(); check_test_memory_usage(); #endif #ifndef CONFIG_DISABLE_PTHREAD /* Verify pthread cancellation */ printf("\nuser_main: cancel test\n"); cancel_test(); check_test_memory_usage(); #endif #ifndef CONFIG_DISABLE_PTHREAD /* Verify pthreads and semaphores */ printf("\nuser_main: semaphore test\n"); sem_test(); check_test_memory_usage(); #endif #ifndef CONFIG_DISABLE_PTHREAD /* Verify pthreads and condition variables */ printf("\nuser_main: condition variable test\n"); #ifdef CONFIG_PRIORITY_INHERITANCE printf("\n Skipping, Test logic incompatible with priority inheritance\n"); #else cond_test(); check_test_memory_usage(); #endif #endif #if !defined(CONFIG_DISABLE_SIGNALS) && !defined(CONFIG_DISABLE_PTHREAD) && !defined(CONFIG_DISABLE_CLOCK) /* Verify pthreads and condition variable timed waits */ printf("\nuser_main: timed wait test\n"); timedwait_test(); check_test_memory_usage(); #endif #if !defined(CONFIG_DISABLE_MQUEUE) && !defined(CONFIG_DISABLE_PTHREAD) /* Verify pthreads and message queues */ printf("\nuser_main: message queue test\n"); mqueue_test(); check_test_memory_usage(); #endif #if !defined(CONFIG_DISABLE_MQUEUE) && !defined(CONFIG_DISABLE_PTHREAD) && !defined(CONFIG_DISABLE_CLOCK) /* Verify pthreads and message queues */ printf("\nuser_main: timed message queue test\n"); timedmqueue_test(); check_test_memory_usage(); #endif #ifndef CONFIG_DISABLE_SIGNALS /* Verify signal handlers */ printf("\nuser_main: signal handler test\n"); sighand_test(); check_test_memory_usage(); #endif #if !defined(CONFIG_DISABLE_POSIX_TIMERS) && !defined(CONFIG_DISABLE_SIGNALS) /* Verify posix timers */ printf("\nuser_main: POSIX timer test\n"); timer_test(); check_test_memory_usage(); #endif #if !defined(CONFIG_DISABLE_PTHREAD) && CONFIG_RR_INTERVAL > 0 /* Verify round robin scheduling */ printf("\nuser_main: round-robin scheduler test\n"); rr_test(); check_test_memory_usage(); #endif #ifndef CONFIG_DISABLE_PTHREAD /* Verify pthread barriers */ printf("\nuser_main: barrier test\n"); barrier_test(); check_test_memory_usage(); #endif #if defined(CONFIG_PRIORITY_INHERITANCE) && !defined(CONFIG_DISABLE_SIGNALS) && !defined(CONFIG_DISABLE_PTHREAD) /* Verify priority inheritance */ printf("\nuser_main: priority inheritance test\n"); priority_inheritance(); check_test_memory_usage(); #endif /* CONFIG_PRIORITY_INHERITANCE && !CONFIG_DISABLE_SIGNALS && !CONFIG_DISABLE_PTHREAD */ /* Compare memory usage at time user_start started until * user_main exits. These should not be identical, but should * be similar enough that we can detect any serious OS memory * leaks. */ #ifndef CONFIG_DISABLE_SIGNALS usleep(HALF_SECOND_USEC); #ifdef CONFIG_CAN_PASS_STRUCTS g_mmafter = mallinfo(); #else (void)mallinfo(&g_mmafter); #endif printf("\nFinal memory usage:\n"); show_memory_usage(&g_mmbefore, &g_mmafter); #endif } printf("user_main: Exitting\n"); return 0; } /**************************************************************************** * Name: stdio_test ****************************************************************************/ static void stdio_test(void) { /* Verify that we can communicate */ #if CONFIG_NFILE_DESCRIPTORS > 0 write(1, write_data1, sizeof(write_data1)-1); #endif printf("stdio_test: Standard I/O Check: printf\n"); #if CONFIG_NFILE_DESCRIPTORS > 1 write(2, write_data2, sizeof(write_data2)-1); #endif #if CONFIG_NFILE_STREAMS > 0 fprintf(stderr, "stdio_test: Standard I/O Check: fprintf to stderr\n"); #endif } /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * user_start/ostest_main ****************************************************************************/ #ifdef CONFIG_EXAMPLES_OSTEST_BUILTIN # define MAIN_NAME ostest_main # define MAIN_STRING "ostest_main: " #else # define MAIN_NAME user_start # define MAIN_STRING "user_start: " #endif int MAIN_NAME(int argc, char *argv[]) { int result; /* Verify that stdio works first */ stdio_test(); #ifdef SDCC /* I am not yet certain why SDCC does not like the following initilizers. * It involves some issues with 2- vs 3-byte pointer types. */ g_argv[0] = arg1; g_argv[1] = arg2; g_argv[2] = arg3; g_argv[3] = arg4; g_argv[4] = NULL; #endif /* Set up some environment variables */ #ifndef CONFIG_DISABLE_ENVIRON printf(MAIN_STRING "putenv(%s)\n", g_putenv_value); putenv(g_putenv_value); /* Varaible1=BadValue3 */ printf(MAIN_STRING "setenv(%s, %s, TRUE)\n", g_var1_name, g_var1_value); setenv(g_var1_name, g_var1_value, TRUE); /* Variable1=GoodValue1 */ printf(MAIN_STRING "setenv(%s, %s, FALSE)\n", g_var2_name, g_bad_value1); setenv(g_var2_name, g_bad_value1, FALSE); /* Variable2=BadValue1 */ printf(MAIN_STRING "setenv(%s, %s, TRUE)\n", g_var2_name, g_var2_value); setenv(g_var2_name, g_var2_value, TRUE); /* Variable2=GoodValue2 */ printf(MAIN_STRING "setenv(%s, %s, FALSE)\n", g_var3_name, g_var3_name); setenv(g_var3_name, g_var3_value, FALSE); /* Variable3=GoodValue3 */ printf(MAIN_STRING "setenv(%s, %s, FALSE)\n", g_var3_name, g_var3_name); setenv(g_var3_name, g_bad_value2, FALSE); /* Variable3=GoodValue3 */ show_environment(true, true, true); #endif /* Verify that we can spawn a new task */ #ifndef CONFIG_CUSTOM_STACK result = task_create("ostest", PRIORITY, STACKSIZE, user_main, g_argv); #else result = task_create("ostest", PRIORITY, user_main, g_argv); #endif if (result == ERROR) { printf(MAIN_STRING "ERROR Failed to start user_main\n"); } else { printf(MAIN_STRING "Started user_main at PID=%d\n", result); } printf(MAIN_STRING "Exitting\n"); return 0; }