diff options
Diffstat (limited to 'winsup/testsuite/winsup.api/ltp/fork04.c')
-rw-r--r-- | winsup/testsuite/winsup.api/ltp/fork04.c | 405 |
1 files changed, 0 insertions, 405 deletions
diff --git a/winsup/testsuite/winsup.api/ltp/fork04.c b/winsup/testsuite/winsup.api/ltp/fork04.c deleted file mode 100644 index 3725d9f..0000000 --- a/winsup/testsuite/winsup.api/ltp/fork04.c +++ /dev/null @@ -1,405 +0,0 @@ -/* - * Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it would be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * - * Further, this software is distributed without any warranty that it is - * free of the rightful claim of any third person regarding infringement - * or the like. Any license provided herein, whether implied or - * otherwise, applies only to this software file. Patent licenses, if - * any, provided herein do not apply to combinations of this program with - * other software, or any other product whatsoever. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston MA 02111-1307, USA. - * - * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, - * Mountain View, CA 94043, or: - * - * http://www.sgi.com - * - * For further information regarding this notice, see: - * - * http://oss.sgi.com/projects/GenInfo/NoticeExplan/ - * - */ -/* $Id$ */ -/********************************************************** - * - * OS Test - Silicon Graphics, Inc. - * - * TEST IDENTIFIER : fork04 - * - * TEST TITLE : Child inheritance of Environment Variables after fork() - * - * PARENT DOCUMENT : frktds01 - * - * TEST CASE TOTAL : 3 - * - * WALL CLOCK TIME : 1 - * - * CPU TYPES : ALL - * - * AUTHOR : Kathy Olmsted - * - * CO-PILOT : Steve Shaw - * - * DATE STARTED : 06/17/92 - * - * INITIAL RELEASE : UNICOS 7.0 - * - * TEST CASES - * Test these environment variables correctly inherited by child: - * 1. TERM - * 2. NoTSetzWq - * 3. TESTPROG - * - * INPUT SPECIFICATIONS - * The standard options for system call tests are accepted. - * (See the parse_opts(3) man page). - * - * DURATION - * Terminates - with frequency and infinite modes. - * - * SIGNALS - * Uses SIGUSR1 to pause before test if option set. - * (See the parse_opts(3) man page). - * - * ENVIRONMENTAL NEEDS - * No run-time environmental needs. - * - * DETAILED DESCRIPTION - * - * Setup: - * Setup signal handling. - * Make and change to a temporary directory. - * Pause for SIGUSR1 if option specified. - * Add TESTPROG variable to the environment - * - * Test: - * Loop if the proper options are given. - * fork() - * Check return code, if system call failed (return=-1) - * Log the errno - * CHILD: - * open a temp file - * Determine environment values and write to file - * close file containing test values. - * exit. - * PARENT: - * Wait for child to exit. - * Verify exit status - * Open file containing test values. - * For each test case: - * Read the value from the file. - * Determine and report PASS/FAIL result. - * - * Cleanup: - * Print errno log and/or timing stats if options given - * Remove the temporary directory and exit. - * - * - *#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#**/ -#include <stdlib.h> -#include <sys/types.h> -#include <sys/wait.h> -#include <unistd.h> -#include <fcntl.h> -#include <string.h> -#include <sys/param.h> -#include <signal.h> /*Includes signal information. */ -#include <errno.h> -#include "test.h" -#include "usctest.h" - -char *TCID="fork04"; /* Test program identifier. */ -extern int Tst_count; /* Test Case counter for tst_* routines */ - - - -#define KIDEXIT 42 /* Known value for child exit status */ -#define MAX_LINE_LENGTH 256 -#define OUTPUT_FILE "env.out" -#define ENV_NOT_SET "getenv() does not find variable set" - -/* list of environment variables to test */ -char *environ_list[] = {"TERM","NoTSetzWq","TESTPROG"}; -#define NUMBER_OF_ENVIRON sizeof(environ_list)/sizeof(char *) -int TST_TOTAL=NUMBER_OF_ENVIRON; /* Total number of test cases. */ - -/*************************************************************** - * cleanup() - performs all ONE TIME cleanup for this test at - * completion or premature exit. - ***************************************************************/ -void -cleanup() -{ - /* - * print timing stats if that option was specified. - * print errno log if that option was specified. - */ - TEST_CLEANUP; - - /* remove the temporary directory and exit with - return code appropriate for results */ - tst_rmdir(); - tst_exit(); - -} /* End cleanup() */ - -/*************************************************************** - * setup() - performs all ONE TIME setup for this test. - ***************************************************************/ -void -setup() -{ - /* capture signals */ - tst_sig(FORK, DEF_HANDLER, cleanup); - - /* make and change to a temporary directory */ - tst_tmpdir(); - - /* add a variable to the environment */ - putenv("TESTPROG=FRKTCS04"); - - /* Pause if that option was specified */ - TEST_PAUSE; - -} /* End setup() */ - - -/*************************************************************** - * child_environment - the child side of the environment tests - * determine values for the variables and write to a file - ***************************************************************/ -void child_environment() -{ - - int fildes; - int index; - char msg[MAX_LINE_LENGTH]; - char *var; - - fildes = creat(OUTPUT_FILE,0700); - - - for (index=0;index<NUMBER_OF_ENVIRON;index++) { - memset(msg, 0, MAX_LINE_LENGTH); - - if ( (var=getenv(environ_list[index])) == NULL ) - (void)sprintf(msg,"%s:%s",environ_list[index], ENV_NOT_SET); - else - (void)sprintf(msg,"%s:%s",environ_list[index], var); - - write(fildes,msg,sizeof(msg)); /* includes extra null chars */ - } - - close(fildes); - -} - -/*********************************************************************** - * - * Compare parent env string to child's string. - * Each string is in the format: <env var>:<value> - * - ***********************************************************************/ -int -cmp_env_strings(char *pstring, char *cstring) -{ - char *penv, *cenv, *pvalue, *cvalue; - - /* - * Break pstring into env and value - */ - penv=pstring; - if ( (pvalue=strchr(pstring, ':')) == NULL ) { - tst_resm(TBROK, - "internal error - parent's env string not in correct format:'%s'", - pstring); - return -1; - } else { - *pvalue='\0'; - pvalue++; - if ( *pvalue == '\0' ) { - tst_resm(TBROK, "internal error - missing parent's env value"); - return -1; - } - } - - /* - * Break cstring into env and value - */ - cenv=cstring; - if ( (cvalue=strchr(cstring, ':')) == NULL ) { - tst_resm(TBROK, - "internal error - parent's env string not in correct format:'%s'", - cstring); - return -1; - } else { - *cvalue='\0'; - cvalue++; - if ( *cvalue == '\0' ) { - tst_resm(TBROK, "internal error - missing child's env value"); - return -1; - } - } - - if ( strcmp(penv, cenv) != 0 ) { - tst_resm(TBROK, "internal error - parent(%s) != child (%s) env", - penv, cenv); - return -1; - } - - if ( strcmp(pvalue, cvalue) != 0 ) { - tst_resm(TFAIL, "Env var %s changed after fork(), parent's %s, child's %s", - penv, pvalue, cvalue); - } else { - tst_resm(TPASS, "Env var %s unchanged after fork(): %s", - penv, cvalue); - } - return 0; - -} - -/*************************************************************** - * parent_environment - the parent side of the environment tests - * determine values for the variables - * read the values determined by the child - * compare values - ***************************************************************/ -void parent_environment() -{ - - int fildes; - char tmp_line[MAX_LINE_LENGTH]; - char parent_value[MAX_LINE_LENGTH]; - int index; - int ret; - char *var; - - if ((fildes = open(OUTPUT_FILE,O_RDWR)) == -1) { - tst_brkm(TBROK, cleanup, - "fork() test. Parent open of temporary file failed. errno %d (%s)\n", - errno, strerror(errno)); - } - for (index=0;index<NUMBER_OF_ENVIRON;index++) - { - if ((ret=read(fildes,tmp_line,MAX_LINE_LENGTH)) == 0) { - tst_resm(TBROK,"fork() test. parent_environment: failed to read from file with %d (%s)", - errno,strerror(errno)); - } - else { - - if ( (var=getenv(environ_list[index])) == NULL ) - sprintf(parent_value,"%s:%s", environ_list[index], ENV_NOT_SET); - else - sprintf(parent_value,"%s:%s", environ_list[index], var); - - cmp_env_strings(parent_value, tmp_line); - - } - } - close(fildes); - -} - -/*************************************************************** - * main() - performs tests - * - ***************************************************************/ - -int -main(int ac, char **av) -{ - int lc; /* loop counter */ - const char *msg; /* message returned from parse_opts */ - int kid_status; /* status returned from child */ - int wait_status; /* status of wait system call in parent */ - int fails; /* indicates whether to continue with tests */ - - /*************************************************************** - * parse standard options - ***************************************************************/ - if ( (msg=parse_opts(ac, av, (option_t *) NULL, NULL)) != (char *) NULL ) { - tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); - tst_exit(); - } - - /*************************************************************** - * perform global setup for test - ***************************************************************/ - setup(); - - /*************************************************************** - * check looping state if -c option given - ***************************************************************/ - for (lc=0; TEST_LOOPING(lc); lc++) { - - /* reset Tst_count and fail indicator in case we are looping. */ - Tst_count=0; - fails = 0; - - /* make the call to fork */ - TEST(fork()); - - /* check return code */ - if ( TEST_RETURN == -1 ) { - /* fork failed */ - if ( STD_FUNCTIONAL_TEST ) { - tst_brkm(TFAIL, cleanup, "fork() failed with %d (%s)", - TEST_ERRNO, strerror(TEST_ERRNO)); - } - } - else if (TEST_RETURN == 0) { - /* child */ - if ( STD_FUNCTIONAL_TEST ) { - /* determine environment variables */ - child_environment(); - } - /* exit with known value */ - exit(KIDEXIT); - } else { - /* parent of successful fork */ - /* wait for the child to complete */ - wait_status = wait(&kid_status); - if ( STD_FUNCTIONAL_TEST ) { - /* validate the child exit status */ - if (wait_status == TEST_RETURN) { - if (kid_status != KIDEXIT << 8) { - tst_brkm(TBROK, cleanup, - "fork(): Incorrect child status returned on wait(): %d", - kid_status); - fails++; - } - } - else { - tst_brkm(TBROK, cleanup, - "fork(): wait() for child status failed with %d errno: %d : %s", - wait_status,errno,strerror(errno)); - fails++; - } - - if (fails == 0 ) { - /* verification tests */ - parent_environment(); - } - } - } - - } /* End for TEST_LOOPING */ - - /*************************************************************** - * cleanup and exit - ***************************************************************/ - cleanup(); - - return 0; -} /* End main */ |