diff options
Diffstat (limited to 'winsup/testsuite/winsup.api/ltp/read01.c')
| -rw-r--r-- | winsup/testsuite/winsup.api/ltp/read01.c | 280 |
1 files changed, 280 insertions, 0 deletions
diff --git a/winsup/testsuite/winsup.api/ltp/read01.c b/winsup/testsuite/winsup.api/ltp/read01.c new file mode 100644 index 000000000..1a54afeb0 --- /dev/null +++ b/winsup/testsuite/winsup.api/ltp/read01.c @@ -0,0 +1,280 @@ +/* + * 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 : read01 + * + * EXECUTED BY : anyone + * + * TEST TITLE : Basic test for read(2) + * + * PARENT DOCUMENT : usctpl01 + * + * TEST CASE TOTAL : 1 + * + * WALL CLOCK TIME : 1 + * + * CPU TYPES : ALL + * + * AUTHOR : William Roske + * + * CO-PILOT : Dave Fenner + * + * DATE STARTED : 03/30/92 + * + * INITIAL RELEASE : UNICOS 7.0 + * + * TEST CASES + * + * 1.) read(2) returns...(See Description) + * + * INPUT SPECIFICATIONS + * The standard options for system call tests are accepted. + * (See the parse_opts(3) man page). + * + * OUTPUT SPECIFICATIONS + * + * DURATION + * Terminates - with frequency and infinite modes. + * + * SIGNALS + * Uses SIGUSR1 to pause before test if option set. + * (See the parse_opts(3) man page). + * + * RESOURCES + * None + * + * ENVIRONMENTAL NEEDS + * No run-time environmental needs. + * + * SPECIAL PROCEDURAL REQUIREMENTS + * None + * + * INTERCASE DEPENDENCIES + * None + * + * DETAILED DESCRIPTION + * This is a Phase I test for the read(2) system call. It is intended + * to provide a limited exposure of the system call, for now. It + * should/will be extended when full functional tests are written for + * read(2). + * + * Setup: + * Setup signal handling. + * Pause for SIGUSR1 if option specified. + * + * Test: + * Loop if the proper options are given. + * Execute system call + * Check return code, if system call failed (return=-1) + * Log the errno and Issue a FAIL message. + * Otherwise, Issue a PASS message. + * + * Cleanup: + * Print errno log and/or timing stats if options given + * + * + *#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#**/ + +#include <sys/types.h> +#include <sys/fcntl.h> +#include <sys/param.h> +#include <errno.h> +#include <signal.h> +#include <string.h> +#include "test.h" +#include "usctest.h" + +/* + * Set READ_BLOCK_SIZE to the block size of the system. + */ +#ifdef linux +#define READ_BLOCK_SIZE DEV_BSIZE +#else +#ifdef __CYGWIN__ +#define READ_BLOCK_SIZE S_BLKSIZE +#else +#define READ_BLOCK_SIZE BSIZE +#endif +#endif + +extern void setup(); +extern void cleanup(); + + + +char *TCID="read01"; /* Test program identifier. */ +int TST_TOTAL=1; /* Total number of test cases. */ +extern int Tst_count; /* Test Case counter for tst_* routines */ + +int exp_enos[]={0, 0}; +char fname[255], *malloc(); +int fd, i; +int offset=0; +char *s; + +int +main(int ac, char **av) +{ + 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); + + /*************************************************************** + * perform global setup for test + ***************************************************************/ + setup(); + + /* set the expected errnos... */ + TEST_EXP_ENOS(exp_enos); + + /*************************************************************** + * check looping state if -c option given + ***************************************************************/ + for (lc=0; TEST_LOOPING(lc); lc++) { + + /* reset Tst_count in case we are looping. */ + Tst_count=0; + + if (write(fd, s, READ_BLOCK_SIZE) == -1) { + tst_brkm(TBROK, cleanup, + "write(%s, %s, %d) Failed, errno=%d : %s", + fname, s, READ_BLOCK_SIZE, errno, strerror(errno)); + } + offset+=READ_BLOCK_SIZE; + if (lseek(fd, (long)(offset-READ_BLOCK_SIZE), 0) == -1) { + tst_brkm(TBROK, cleanup, + "lseek(%s, %ld, 0) Failed, errno=%d : %s", + fname, (long)(offset-READ_BLOCK_SIZE), errno, strerror(errno)); + } + /* + * Call read(2) + */ + TEST(read(fd, s, READ_BLOCK_SIZE)); + + /* check return code */ + if ( TEST_RETURN == -1 ) { + TEST_ERROR_LOG(TEST_ERRNO); + tst_resm(TFAIL, "read(fd, s, READ_BLOCK_SIZE) Failed, errno=%d : %s", + TEST_ERRNO, strerror(TEST_ERRNO)); + } else { + /*************************************************************** + * only perform functional verification if flag set (-f not given) + ***************************************************************/ + if ( STD_FUNCTIONAL_TEST ) { + /* No Verification test, yet... */ + tst_resm(TPASS, "read(pfds) returned %d", TEST_RETURN); + } + } + + } /* End for TEST_LOOPING */ + + /*************************************************************** + * cleanup and exit + ***************************************************************/ + cleanup(); + + return 0; +} /* End main */ + +/*************************************************************** + * setup() - performs all ONE TIME setup for this test. + ***************************************************************/ +void +setup() +{ + /* capture signals */ + tst_sig(NOFORK, DEF_HANDLER, cleanup); + + /* make a temp directory and cd to it */ + tst_tmpdir(); + + /* Pause if that option was specified */ + TEST_PAUSE; + + if ((s = malloc(READ_BLOCK_SIZE)) == NULL) { + tst_brkm(TBROK, cleanup, + "malloc(%d) Failed, errno=%d : %s", + READ_BLOCK_SIZE, errno, strerror(errno)); + } + (void) memset(s, '*', READ_BLOCK_SIZE); + for (i=0; i < READ_BLOCK_SIZE; i++) { + if ( s[i] != '*' ) { + tst_brkm(TBROK, cleanup, + "File Data pattern not setup correctly : expected * at s[%d] : found %c", + i, s[i]); + } + } + sprintf(fname,"./tfile_%d",getpid()); + if ((fd=open(fname,O_RDWR|O_CREAT,0700)) == -1) { + tst_brkm(TBROK, cleanup, + "open(%s, O_RDWR|O_CREAT,0700) Failed, errno=%d : %s", + fname, errno, strerror(errno)); + } + +} /* End setup() */ + + +/*************************************************************** + * 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; + + if (close(fd) == -1 ) { + tst_resm(TWARN, "close(%s) Failed, errno=%d : %s", + fname, errno, strerror(errno)); + } + + /* Remove tmp dir and all files in it */ + tst_rmdir(); + + /* exit with return code appropriate for results */ + tst_exit(); + +} /* End cleanup() */ |