/* * 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 : fcntl07B * to see if it is open or not and exiting * accordingly: * 0 not open (EBADF from fcntl(..., F_GETFD, ...)) * 3 no error from fcntl * errno fcntl returned an error other than EBADF * * -F name : File to open. Must be an absolute path * and the file must be writable; * -n program: path to the 'test_open' program * * OUTPUT SPECIFICATIONS * This test uses the cuts-style test_res format output consisting of: * * test-name PASS/FAIL/BROK message * * the message will tell what type of test and, if it failed, indicate * what the failure was. * * DURATION * Terminates * * SIGNALS * None * * RESOURCES * None * * ENVIRONMENTAL NEEDS * No run-time environmental needs. * * If this test is not called with a full pathname, it must be able * to find itself on $PATH * * INTERCASE DEPENDENCIES * none * * DETAILED DESCRIPTION * * Setup: * Setup signal handling. * Create and make current a temporary directory. * Create a named pipe and open it for writing * * Test: * Set the file descriptor for close-on-exec * Fork * Child execlp's the program "test_open". * If the exec fails, exit "2" * Parent waits * Report results. * * Cleanup: * Close file and pipes * Remove the temporary directory * * BUGS * *#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#*#**/ #include #include #include #include #include #include #include #include #include #include #include "test.h" #include "usctest.h" #include "search_path.h" void setup(); void cleanup(); void help(); char *TCID="fcntl07B"; /* Test program identifier. */ int TST_TOTAL=1; /* Total number of test cases. */ extern int Tst_count; /* Test Case counter for tst_* routines */ /* for parse_opts */ int fflag, Tflag; /* binary flags: opt or not */ char *fopt, *Topt; /* option arguments */ option_t options[] = { { "F:", &fflag, &fopt }, /* -F filename */ { "T:", &Tflag, &Topt }, /* -T exec'ed by test: test FD */ { NULL, NULL, NULL } }; int stat_loc; /* for waitpid() */ int npipe_fd; /* file descriptors for a named pipe */ #define DEFAULT_FILE "DefaultFileName" char *File1 = DEFAULT_FILE; #define DEFAULT_SUBPROG "test_open" char *openck = DEFAULT_SUBPROG; /* support program name to check for open FD */ char subprog_path[_POSIX_PATH_MAX]; /* path to exec "openck" with */ #define STRSIZE 255 #define FIFONAME "FiFo" int *testfds[] = { &npipe_fd, 0 }; char *testfdtypes[] = { "named pipe" }; int test_open(char *arg); int do_exec(char *prog, int fd, char *tcd); int main(int ac, char **av) { int lc; /* loop counter */ const char *msg; /* message returned from parse_opts */ int exec_return; /* return from do_exec */ int **tcp; /* testcase pointer (pointer to FD) */ char **tcd; /* testcase description pointer */ /*************************************************************** * parse standard options, and exit if there is an error ***************************************************************/ if ( (msg=parse_opts(ac, av, options, &help)) != (char *) NULL ) { tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); tst_exit(); } if(fflag) /* -F option */ File1 = fopt; if(Tflag) { /* -T option */ exit(test_open(Topt)); } /*************************************************************** * perform global setup for test ***************************************************************/ setup(av[0]); /*************************************************************** * 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; for(tcp = testfds, tcd = testfdtypes; *tcp; tcp++, tcd++) { TEST(fcntl(**tcp, F_SETFD, FD_CLOEXEC)); /* check return code */ if ( TEST_RETURN == -1 ) { TEST_ERROR_LOG(TEST_ERRNO); tst_resm(TFAIL, "fcntl(%s[%d], F_SETFD, FD_CLOEXEC) Failed, errno=%d : %s", *tcd, **tcp, TEST_ERRNO, strerror(TEST_ERRNO)); } else { /************************************************************* * only perform functional verification if flag set * (-f not given) *************************************************************/ if ( STD_FUNCTIONAL_TEST ) { exec_return = do_exec(subprog_path, **tcp, *tcd); switch(exec_return) { case -1: tst_resm(TBROK, "fork failed. Errno %s [%d]", strerror(errno), errno); break; case 1: tst_resm(TBROK, "waitpid return was 0%o", stat_loc); break; case 2: tst_resm(TBROK, "exec failed"); /* errno was in child */ break; case 0: tst_resm(TPASS, "%s child exited 0, indicating that the file was closed", *tcd); break; default: tst_resm(TFAIL, "%s child exited non-zero, %d", *tcd, exec_return); break; } } } } } /* End for TEST_LOOPING */ /*************************************************************** * cleanup and exit ***************************************************************/ cleanup(); return 0; } /* End main */ /*************************************************************** * setup() - performs all ONE TIME setup for this test. ***************************************************************/ void setup(char *path) { search_path(path, subprog_path, X_OK, 1); /* capture signals */ tst_sig(FORK, DEF_HANDLER, cleanup); /* create a temporary directory and go to it */ tst_tmpdir(); /* set up a named pipe (write side gets CLOSE-ON-EXEC) */ if(mkfifo(FIFONAME, 0666) == -1) { tst_brkm(TBROK, cleanup, "mkfifo of named pipe %s failed errno %d (%s)\n", FIFONAME, errno, strerror(errno)); } if((npipe_fd=open(FIFONAME, O_RDWR, 0666)) == -1) { tst_brkm(TBROK, cleanup, "Open of named pipe %s failed errno %d (%s)\n", File1, errno, strerror(errno)); } /* Pause if that option was specified */ TEST_PAUSE; } /* 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; /* close everything */ close(npipe_fd); /* remove temporary directory and all files in it. */ tst_rmdir(); /* exit with return code appropriate for results */ tst_exit(); } /* End cleanup() */ /*************************************************************************** * issue a help message ***************************************************************************/ void help() { printf("-T fd : If this option is given, the program runs as 'test_open'\n"); printf(" testing to see if it is open or not and exiting accordingly\n"); printf("-F name : File to open. Must be an absolute path,\n"); printf(" and the file must be writable\n"); printf("-n program: path to the 'test_open' program\n"); } /*---------------------------------------------------------------------------*/ /* Perform an exec, then wait for the child to terminate. * The child's termination status determines the success of the test * * Return codes: * -1 BROK fork failed * 1 BROK waitpid returned != exit status * ???? exit code from child: * 2 BROK exec failed * 0 PASS fd was properly closed * */ int do_exec(char *prog, int fd, char *tcd) { int pid; char pidname[STRSIZE]; #ifdef DEBUG int rc, status; /* for the fcntl */ #endif /* set up arguments to exec'ed child */ sprintf(pidname, "%d", fd); #ifdef DEBUG rc = fcntl(fd, F_GETFD, &status); printf("%s: fd = %d rc = %d status= %d, errno= %d\n", tcd, fd, rc, status, errno); #endif switch(pid=fork()) { case -1: return(-1); case 0: /* child */ execlp(prog, openck, "-T", pidname, 0); /* the ONLY reason to do this is to get the errno printed out */ fprintf(stderr, "exec(%s, %s, -T, %s) failed. Errno %s [%d]\n", prog, openck, pidname, strerror(errno), errno); exit(2); default: /* parent */ waitpid(pid, &stat_loc, 0); if(WIFEXITED(stat_loc)) { return(WEXITSTATUS(stat_loc)); } else { return(1); } } } /* * PROGRAM TITLE : Test if a named file descriptor is open * This function is called when fcntcs07 is called with the -T option. * It tests if a file descriptor is open and exits accordingly. */ int test_open(char *arg) { int fd, rc; int status; extern char *optarg; extern int optind; fd = atoi(arg); rc = fcntl(fd, F_GETFD, &status); #ifdef DEBUG_T printf("%s: fd = %d rc = %d status= %d, errno= %d\n", openck, fd, rc, status, errno); #endif if(rc == -1 && errno == EBADF) { exit(0); } if(rc != -1) exit(3); exit(errno); return -1; /* To remove compiler warning on IRIX */ }