From 7988979a722b4cdf287b2093956a76a3f19b9897 Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Mon, 24 Oct 2016 20:22:12 +0200 Subject: add uClibc-ng test directory --- test/nptl/tst-sem7.c | 108 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 108 insertions(+) create mode 100644 test/nptl/tst-sem7.c (limited to 'test/nptl/tst-sem7.c') diff --git a/test/nptl/tst-sem7.c b/test/nptl/tst-sem7.c new file mode 100644 index 0000000..34ddb40 --- /dev/null +++ b/test/nptl/tst-sem7.c @@ -0,0 +1,108 @@ +/* Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , 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 + . */ + +#include +#include +#include +#include +#include +#include + + +static void +remove_sem (int status, void *arg) +{ + sem_unlink (arg); +} + + +int +main (void) +{ + sem_t *s; + sem_t *s2; + sem_t *s3; + + s = sem_open ("/glibc-tst-sem7", O_CREAT, 0600, 1); + if (s == SEM_FAILED) + { + if (errno == ENOSYS) + { + puts ("sem_open not supported. Oh well."); + return 0; + } + + /* Maybe the shm filesystem has strict permissions. */ + if (errno == EACCES) + { + puts ("sem_open not allowed. Oh well."); + return 0; + } + + printf ("sem_open: %m\n"); + return 1; + } + + on_exit (remove_sem, (void *) "/glibc-tst-sem7"); + + /* We have the semaphore object. Now try again. We should get the + same address. */ + s2 = sem_open ("/glibc-tst-sem7", O_CREAT, 0600, 1); + if (s2 == SEM_FAILED) + { + puts ("2nd sem_open failed"); + return 1; + } + if (s != s2) + { + puts ("2nd sem_open didn't return the same address"); + return 1; + } + + /* And again, this time without O_CREAT. */ + s3 = sem_open ("/glibc-tst-sem7", 0); + if (s3 == SEM_FAILED) + { + puts ("3rd sem_open failed"); + return 1; + } + if (s != s3) + { + puts ("3rd sem_open didn't return the same address"); + return 1; + } + + /* Now close the handle. Three times. */ + if (sem_close (s2) != 0) + { + puts ("1st sem_close failed"); + return 1; + } + if (sem_close (s) != 0) + { + puts ("2nd sem_close failed"); + return 1; + } + if (sem_close (s3) != 0) + { + puts ("3rd sem_close failed"); + return 1; + } + + return 0; +} -- cgit v1.2.3