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Diffstat (limited to 'winsup/testsuite/winsup.api/ltp/wait402.c')
| -rw-r--r-- | winsup/testsuite/winsup.api/ltp/wait402.c | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/winsup/testsuite/winsup.api/ltp/wait402.c b/winsup/testsuite/winsup.api/ltp/wait402.c new file mode 100644 index 000000000..43a5c22d3 --- /dev/null +++ b/winsup/testsuite/winsup.api/ltp/wait402.c @@ -0,0 +1,202 @@ +/* + * + * Copyright (c) International Business Machines Corp., 2001 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* + * NAME + * wait402.c + * + * DESCRIPTION + * wait402 - check for ECHILD errno when using an illegal pid value + * + * ALGORITHM + * loop if that option was specified + * issue the system call with an illegal pid value + * check the errno value + * issue a PASS message if we get ECHILD + * otherwise, the tests fails + * issue a FAIL message + * break any remaining tests + * call cleanup + * + * USAGE: <for command-line> + * wait402 [-c n] [-e] [-i n] [-I x] [-p x] [-t] + * where, -c n : Run n copies concurrently. + * -e : Turn on errno logging. + * -i n : Execute test n times. + * -I x : Execute test for x seconds. + * -P x : Pause for x seconds between iterations. + * -t : Turn on syscall timing. + * + * History + * 07/2001 John George + * -Ported + * + * Restrictions + * none + */ + +#include "test.h" +#include "usctest.h" + +#include <errno.h> +#define _USE_BSD +#include <sys/types.h> +#include <sys/resource.h> +#include <sys/wait.h> + +/* + * See the Makefile for comments about the following preprocessor code. + */ +#if defined (__CYGWIN__) +#define PID_MAX 0xfffffffd +#else +#ifndef _LTP_TASKS_H +#include <linux/threads.h> /* for PID_MAX value - new */ +#else +#include <linux/tasks.h> /* for PID_MAX value - old */ +#endif +#endif + +void cleanup(void); +void setup(void); + +char *TCID= "wait402()"; +int TST_TOTAL = 1; +extern int Tst_count; + +int exp_enos[] = {10, 0}; + +main(int ac, char **av) +{ + int lc; /* loop counter */ + const char *msg; /* message returned from parse_opts */ + pid_t pid; + pid_t epid = PID_MAX + 1; + int status = 1; + struct rusage *rusage=NULL; + + /* parse standard options */ + if ((msg = parse_opts(ac, av, (option_t *) NULL, NULL)) != (char *) NULL) { + tst_brkm(TBROK, cleanup, "OPTION PARSING ERROR - %s", msg); + } + + setup(); /* global setup */ + + /* The following loop checks looping state if -i option given */ + + for (lc = 0; TEST_LOOPING(lc); lc++) { + /* reset Tst_count in case we are looping */ + Tst_count = 0; + + + /* + * Allocate some space for the rusage structure. + */ + + if ((rusage = (struct rusage *)malloc(sizeof(struct rusage))) + == NULL) { + tst_brkm(TBROK, cleanup, "malloc() failed"); + } + + pid = fork(); + + if (pid == -1) { + tst_brkm(TBROK, cleanup, "fork() failed"); + } + + if (pid == 0) { /* this is the child */ + /* + * sleep for a moment to let us do the test + */ + sleep(1); + exit(0); + } else { /* this is the parent */ + /* + * call wait4 with the TEST() macro. epid is set + * to an illegal positive value. This should give + * an ECHILD error. + */ + TEST(wait4(epid, &status, 0, rusage)); + } + + if (TEST_RETURN == 0) { + tst_brkm(TFAIL, cleanup, "call failed to produce expected error - errno = %d - %s", TEST_ERRNO, strerror(TEST_ERRNO)); + } + + TEST_ERROR_LOG(TEST_ERRNO); + + switch (TEST_ERRNO) { + case ECHILD: + tst_resm(TPASS, "received expected failure - errno = %d - %s", + TEST_ERRNO, strerror(TEST_ERRNO)); + break; + default: + tst_brkm(TFAIL, cleanup, "call failed to produce expected " + "error - errno = %d - %s", TEST_ERRNO, + strerror(TEST_ERRNO)); + } + + /* + * Clean up things in case we are looping. + */ + if (pid > 0) { + wait4(pid, &status, 0, rusage); + } + free(rusage); + rusage = NULL; + } + + cleanup(); + + /*NOTREACHED*/ +} + +/* + * setup() - performs all the ONE TIME setup for this test. + */ +void +setup(void) +{ + /* capture signals */ + tst_sig(FORK, DEF_HANDLER, cleanup); + + /* Set up the expected error numbers for -e option */ + TEST_EXP_ENOS(exp_enos); + + /* Pause if that option was specified */ + TEST_PAUSE; +} + +/* + * cleanup() - performs all the ONE TIME cleanup for this test at completion + * or premature exit. + */ +void +cleanup(void) +{ + /* + * print timing stats if that option was specified. + * print errno log if that option was specified. + */ + TEST_CLEANUP; + + /* exit with return code appropriate for results */ + tst_exit(); +} + |