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-rw-r--r--test/nptl/tst-umask1.c136
1 files changed, 136 insertions, 0 deletions
diff --git a/test/nptl/tst-umask1.c b/test/nptl/tst-umask1.c
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+++ b/test/nptl/tst-umask1.c
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+/* Copyright (C) 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+ The GNU C 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.
+
+ The GNU C 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 the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <fcntl.h>
+#include <pthread.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/stat.h>
+
+
+static struct
+{
+ int (*fp) (const char *, mode_t);
+ const char *name;
+ bool is_fd;
+} fcts[] =
+{
+ { creat, "creat", true },
+ { mkdir, "mkdir", false },
+ { mkfifo, "mkfifo", false },
+};
+#define nfcts (sizeof (fcts) / sizeof (fcts[0]))
+
+
+static int
+work (const char *fname, int mask)
+{
+ int result = 0;
+ size_t i;
+ for (i = 0; i < nfcts; ++i)
+ {
+ remove (fname);
+ int fd = fcts[i].fp (fname, 0777);
+ if (fd == -1)
+ {
+ printf ("cannot %s %s: %m\n", fcts[i].name, fname);
+ exit (1);
+ }
+ if (fcts[i].is_fd)
+ close (fd);
+ struct stat st;
+ if (stat (fname, &st) == -1)
+ {
+ printf ("cannot stat %s after %s: %m\n", fname, fcts[i].name);
+ exit (1);
+ }
+
+ if ((st.st_mode & mask) != 0)
+ {
+ printf ("mask not successful after %s: %x still set\n",
+ fcts[i].name, (unsigned int) (st.st_mode & mask));
+ result = 1;
+ }
+ }
+
+ return result;
+}
+
+
+static pthread_barrier_t bar;
+
+
+static void *
+tf (void *arg)
+{
+ pthread_barrier_wait (&bar);
+
+ int result = work (arg, 022);
+
+ pthread_barrier_wait (&bar);
+
+ pthread_barrier_wait (&bar);
+
+ return (work (arg, 0) | result) ? (void *) -1l : NULL;
+}
+
+
+static int
+do_test (const char *fname)
+{
+ int result = 0;
+
+ umask (0);
+ result |= work (fname, 0);
+
+ pthread_barrier_init (&bar, NULL, 2);
+
+ pthread_t th;
+ if (pthread_create (&th, NULL, tf, (void *) fname) != 0)
+ {
+ puts ("cannot create thread");
+ exit (1);
+ }
+
+ umask (022);
+ result |= work (fname, 022);
+
+ pthread_barrier_wait (&bar);
+
+ pthread_barrier_wait (&bar);
+
+ umask (0);
+
+ pthread_barrier_wait (&bar);
+
+ void *res;
+ if (pthread_join (th, &res) != 0)
+ {
+ puts ("join failed");
+ exit (1);
+ }
+
+ remove (fname);
+
+ return result || res != NULL;
+}
+
+#define TEST_FUNCTION do_test (argc < 2 ? "/tmp/tst-umask.tmp" : argv[1])
+#include "../test-skeleton.c"