diff options
Diffstat (limited to 'winsup/testsuite/winsup.api/ltp/fork10.c')
| -rw-r--r-- | winsup/testsuite/winsup.api/ltp/fork10.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/winsup/testsuite/winsup.api/ltp/fork10.c b/winsup/testsuite/winsup.api/ltp/fork10.c deleted file mode 100644 index 09de7c06f..000000000 --- a/winsup/testsuite/winsup.api/ltp/fork10.c +++ /dev/null @@ -1,215 +0,0 @@ -/* - * - * 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 - * fork04.c - * - * DESCRIPTION - * Check inheritance of file descriptor by children, they - * should all be refering to the same file. - * - * ALGORITHM - * Child reads several chars and exits. - * Parent forks another child, have the child and parent attempt to use - * that location - * - * USAGE - * fork04 - * - * HISTORY - * 07/2001 Ported by Wayne Boyer - * - * RESTRICTIONS - * None - */ - -#include <stdio.h> -#include <errno.h> -#include "test.h" -#include "usctest.h" - -char *TCID = "fork04"; -int TST_TOTAL = 1; -extern int Tst_count; - -void setup(void); -void cleanup(void); - -char pidbuf[10]; -char fnamebuf[40]; - -main(int ac, char **av) -{ - int status, pid, fildes; - char parchar[2]; - char chilchar[2]; - long lseek(); - - int lc; /* loop counter */ - const char *msg; /* message returned from parse_opts */ - - /* - * parse standard options - */ - if ((msg = parse_opts(ac, av, (option_t *)NULL, NULL)) != (char *)NULL){ - tst_brkm(TBROK, cleanup, "OPTION PARSING ERROR - %s", msg); - /*NOTREACHED*/ - } - - /* - * perform global setup for the test - */ - setup(); - - /* - * check looping state if -i option is given - */ - for (lc = 0; TEST_LOOPING(lc); lc++) { - /* - * reset Tst_count in case we are looping. - */ - Tst_count = 0; - - if ((fildes = creat(fnamebuf, 0600)) < 0) { - tst_brkm(TBROK, cleanup, "Parent: cannot open %s for " - "write, errno = %d", fnamebuf, errno); - /*NOTREACHED*/ - } - write(fildes, "ABCDEFGHIJKLMNOPQRSTUVWXYZ\n", 27); - close(fildes); - - if ((fildes = open(fnamebuf, 0)) == -1) { - tst_brkm(TBROK, cleanup, "Parent: cannot open %s for " - "reading", fnamebuf); - /*NOTREACHED*/ - } - - if ((pid = fork()) == -1) { - tst_brkm(TBROK, cleanup, "fork() #1 failed"); - /*NOTREACHED*/ - } - - if (pid == 0) { /* child */ - tst_resm(TINFO, "fork child A"); - if (lseek(fildes, 10L, 0) == -1L) { - tst_resm(TFAIL, "bad lseek by child"); - exit(1); - } - exit(0); - } else { /* parent */ - wait(&status); - - /* parent starts second child */ - if ((pid = fork()) == -1) { - tst_brkm(TBROK, cleanup, "fork() #2 failed"); - /*NOTREACHED*/ - } - - if (pid == 0) { /* child */ - if (read(fildes, chilchar, 1) <= 0) { - tst_resm(TFAIL, "Child can't read " - "file"); - exit(1); - } else { - if (chilchar[0] != 'K') { - chilchar[1] = '\n'; - exit(1); - } else { - exit(0); - } - } - } else { /* parent */ - (void)wait(&status); - if (status >> 8 != 0) { - tst_resm(TFAIL, "Bad return from " - "second child"); - continue; - } - /* parent reads */ - if (read(fildes, parchar, 1) <= 0) { - tst_resm(TFAIL, "Parent cannot read " - "file"); - continue; - } else { - write(fildes, parchar, 1); - if (parchar[0] != 'L') { - parchar[1] = '\n'; - tst_resm(TFAIL, "Test failed"); - continue; - } - } - } - } - tst_resm(TPASS, "test 1 PASSED"); - close (fildes); - } - cleanup(); - - /*NOTREACHED*/ -} - -/* - * setup() - performs all ONE TIME setup for this test - */ -void -setup() -{ - /* - * capture signals - */ - tst_sig(FORK, DEF_HANDLER, cleanup); - - umask(0); - - /* - * Pause if that option was specified - */ - TEST_PAUSE; - - /* - * make a temp directory and cd to it - */ - tst_tmpdir(); - - strcpy(fnamebuf, "fork04."); - sprintf(pidbuf, "%d", getpid()); - strcat(fnamebuf, pidbuf); -} - -/* - * 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 tmp dir and all files in it - */ - tst_rmdir(); - - tst_exit(); -} |