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Diffstat (limited to 'winsup/testsuite/winsup.api/ltp/write02.c')
| -rw-r--r-- | winsup/testsuite/winsup.api/ltp/write02.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/winsup/testsuite/winsup.api/ltp/write02.c b/winsup/testsuite/winsup.api/ltp/write02.c new file mode 100644 index 000000000..1ee10fd9a --- /dev/null +++ b/winsup/testsuite/winsup.api/ltp/write02.c @@ -0,0 +1,165 @@ +/* + * + * 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 + * write02.c + * + * DESCRIPTION + * Basic functionality test: does the return from write match the count + * of the number of bytes written. + * + * + * ALGORITHM + * Create a file and write some bytes out to it. + * Check the return count against the number returned. + * + * USAGE: <for command-line> + * write02 [-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 <errno.h> +#include <stdio.h> +#include "test.h" +#include "usctest.h" + +char *TCID = "write02()"; +int TST_TOTAL = 1; +extern int Tst_count; + +void cleanup(void); +void setup(void); + +char pfiln[40] = ""; + +main(int argc, char **argv) +{ + int lc; /* loop counter */ + const char *msg; /* message returned from parse_opts */ + + int cwrite; + int fild; + int iws; + int badcount = 0; + char pwbuf[BUFSIZ + 1]; + + /* parse standard options */ + if (msg = parse_opts(argc, argv, (option_t *) NULL, NULL)) { + tst_brkm(TBROK, cleanup, "OPTION PARSING ERROR - %s", msg); + /*NOTREACHED*/ + } + + setup(); /* global setup for test */ + + /* 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; + +block1: + tst_resm(TINFO, "Block 1: test to see write() returns proper " + "write count"); + + for (iws = 0; iws < BUFSIZ; iws++) { + pwbuf[iws] = 'A' + (iws % 26); + } + pwbuf[BUFSIZ] = '\n'; + + if ((fild = creat(pfiln, 0777)) == -1) { + tst_brkm(TBROK, cleanup, "Can't creat Xwrit"); + /*NOTREACHED*/ + } + for (iws = BUFSIZ; iws > 0; iws--) { + if ((cwrite = write(fild, pwbuf, iws)) != iws) { + TEST_ERROR_LOG(errno); + badcount++; + tst_resm(TINFO, "bad write count"); + } + } + if (badcount != 0) { + tst_resm(TFAIL, "write() FAILED to return proper cnt"); + } else { + tst_resm(TPASS, "write() PASSED"); + } + tst_resm(TINFO, "block 1 passed"); + close(fild); + } + cleanup(); + /*NOTREACHED*/ +} + +/* + * setup() - performs all ONE TIME setup for this test + */ +void +setup(void) +{ + /* capture signals */ + tst_sig(FORK, DEF_HANDLER, cleanup); + + umask(0); + + /* Pause if that option was specified + * TEST_PAUSE contains the code to fork the test with the -i option. + * You want to make sure you do this before you create your temporary + * directory. + */ + TEST_PAUSE; + + /* make a temp directory and cd to it */ + tst_tmpdir(); + + sprintf(pfiln, "./write1.%d", getpid()); +} + +/* + * cleanup() - performs all 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; + + unlink(pfiln); + + /* Remove tmp dir and all files in it */ + tst_rmdir(); + + /* exit with return code appropriate for results */ + tst_exit(); +} |