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Diffstat (limited to 'ltp_framework/lib/libtestsuite.c')
| -rw-r--r-- | ltp_framework/lib/libtestsuite.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/ltp_framework/lib/libtestsuite.c b/ltp_framework/lib/libtestsuite.c new file mode 100644 index 0000000..1703ff7 --- /dev/null +++ b/ltp_framework/lib/libtestsuite.c @@ -0,0 +1,164 @@ +/* + * + * 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 + * libtestsuite.c + * + * DESCRIPTION + * file containing generic routines which are used by some of the LTP + * testsuite tests. Currently, the following routines are present in + * this library: + * + * my_getpwnam(), do_file_setup() + * + * HISTORY + * 11/03/2008 Renaud Lottiaux (Renaud.Lottiaux@kerlabs.com) + * - Add the following functions to synchronise father and sons processes + * sync_pipe_create(), sync_pipe_wait(), sync_pipe_notify() + */ +#include <unistd.h> +#include <stdio.h> +#include <stdlib.h> +#include <pwd.h> +#include <errno.h> + +#include "libtestsuite.h" +#include "test.h" +#include "usctest.h" + +struct passwd * +my_getpwnam(char *name) +{ + struct passwd *saved_pwent; + struct passwd *pwent; + + if ((pwent = getpwnam(name)) == NULL) { + perror("getpwnam"); + tst_brkm(TBROK, NULL, "getpwnam() failed"); + } + saved_pwent = (struct passwd *)malloc(sizeof(struct passwd)); + + *saved_pwent = *pwent; + + return(saved_pwent); +} + +void +do_file_setup(char *fname) +{ + int fd; + + if ((fd = open(fname,O_RDWR|O_CREAT,0700)) == -1) { + tst_resm(TBROK, "open(%s, O_RDWR|O_CREAT,0700) Failed, " + "errno=%d : %s", fname, errno, strerror(errno)); + } + + if (close(fd) == -1) { + tst_resm(TWARN, "close(%s) Failed on file create, errno=%d : " + "%s", fname, errno, strerror(errno)); + } +} + +static char pipe_name[256]; + +void generate_pipe_name(const char *name) +{ + char *p; + + p = strrchr(name, '/'); + if (p == NULL) + p = (char *) name; + else + p++; + snprintf(pipe_name, 255, "%s/ltp_fifo_%s", P_tmpdir, p); +} + +int sync_pipe_create(int fd[], const char *name) +{ + int ret; + + if (name != NULL) { + generate_pipe_name(name); + + ret = open(pipe_name, O_RDWR); + if (ret != -1) { + fd[0] = ret; + fd[1] = open(pipe_name, O_RDWR); + } else { + ret = mkfifo(pipe_name, S_IRWXU); + if (!ret) { + fd[0] = open(pipe_name, O_RDWR); + fd[1] = open(pipe_name, O_RDWR); + } + } + return ret; + } else + return pipe(fd); +} + +int sync_pipe_close(int fd[], const char *name) +{ + int r = 0; + + if (fd[0] != -1) + r = close (fd[0]); + if (fd[1] != -1) + r |= close (fd[1]); + + if (name != NULL) { + generate_pipe_name(name); + unlink(pipe_name); + } + return r; +} + +int sync_pipe_wait(int fd[]) +{ + char buf; + int r; + + if (fd[1] != -1) { + close (fd[1]); + fd[1] = -1; + } + + r = read (fd[0], &buf, 1); + + if ((r != 1) || (buf != 'A')) + return -1; + return 0; +} + +int sync_pipe_notify(int fd[]) +{ + char buf = 'A'; + int r; + + if (fd[0] != -1) { + close (fd[0]); + fd[0] = -1; + } + + r = write (fd[1], &buf, 1); + + if (r != 1) + return -1; + return 0; +}
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