Branch b1_4

[fs/lustre-release.git] / libsysio / tests / test_fcntl_lock.c

diff --git a/libsysio/tests/test_fcntl_lock.c b/libsysio/tests/test_fcntl_lock.c
new file mode 100644 (file)
index 0000000..c5e79b5
--- /dev/null
+++ b/libsysio/tests/test_fcntl_lock.c
@@ -0,0 +1,145 @@
+/*
+ *    This Cplant(TM) source code is the property of Sandia National
+ *    Laboratories.
+ *
+ *    This Cplant(TM) source code is copyrighted by Sandia National
+ *    Laboratories.
+ *
+ *    The redistribution of this Cplant(TM) source code is subject to the
+ *    terms of the GNU Lesser General Public License
+ *    (see cit/LGPL or http://www.gnu.org/licenses/lgpl.html)
+ *
+ *    Cplant(TM) Copyright 1998-2005 Sandia Corporation. 
+ *    Under the terms of Contract DE-AC04-94AL85000, there is a non-exclusive
+ *    license for use of this work by or on behalf of the US Government.
+ *    Export of this program may require a license from the United States
+ *    Government.
+ */
+
+/*
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ * 
+ * This library 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
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Questions or comments about this library should be sent to:
+ *
+ * Lee Ward
+ * Sandia National Laboratories, New Mexico
+ * P.O. Box 5800
+ * Albuquerque, NM 87185-1110
+ *
+ * lee@sandia.gov
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <getopt.h>
+
+#if defined(SYSIO_LABEL_NAMES)
+#include "sysio.h"
+#endif
+#include "xtio.h"
+#include "test.h"
+
+/*
+ * fcntl lock tests
+ *
+ * Usage: test_fcnt_lock [<path> ...]
+ */
+
+void   usage(void);
+void   do_tests(const char *path);
+
+int
+main(int argc, char * const argv[])
+{
+       int     i;
+       int     err;
+       extern int _test_sysio_startup(void);
+
+       /*
+        * Parse command-line args.
+        */
+       while ((i = getopt(argc, argv, "")) != -1)
+               switch (i) {
+
+               default:
+                       usage();
+               }
+
+       err = _test_sysio_startup();
+       if (err) {
+               errno = -err;
+               perror("sysio startup");
+               exit(1);
+       }       
+
+       while (optind < argc)
+               do_tests(argv[optind++]);
+
+       /*
+        * Clean up.
+        */
+       _test_sysio_shutdown();
+
+       return 0;
+}
+
+void
+usage()
+{
+
+       (void )fprintf(stderr,
+                      "Usage: test_fcntl_lock"
+                      " source...\n");
+       exit(1);
+}
+
+void
+do_tests(const char *path)
+{
+       int     fd;
+       int     err;
+       struct flock flock;
+
+       fd = SYSIO_INTERFACE_NAME(open)(path, O_RDONLY);
+       if (fd < 0) {
+               perror(path);
+               return;
+       }
+       do {
+               flock.l_type = F_RDLCK;
+               flock.l_whence = SEEK_CUR;
+               flock.l_start = 0;
+               flock.l_len = 0;
+               flock.l_pid = 0;
+               err = SYSIO_INTERFACE_NAME(fcntl)(fd, F_SETLK, &flock);
+               if (err)
+                       break;
+               flock.l_type = F_UNLCK;
+               err = SYSIO_INTERFACE_NAME(fcntl)(fd, F_SETLK, &flock);
+               if (err)
+                       break;
+       } while (0);
+
+       if (err)
+               perror(path);
+       if (SYSIO_INTERFACE_NAME(close)(fd) != 0)
+               perror(path);
+}