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authorFlorian Weimer <fweimer@redhat.com>2017-01-27 06:53:19 +0100
committerFlorian Weimer <fweimer@redhat.com>2017-01-27 06:53:20 +0100
commitfaf0e9c84119742dd9ebb79060faa22c52ae80a1 (patch)
treeaaf2df0e207bde2a4dfe6c9623e013364642a076 /support/xmunmap.c
parent5653ab12b4ae15b32d41de7c56b2a4626cd0437a (diff)
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nptl: Add tst-robust-fork
Diffstat (limited to 'support/xmunmap.c')
-rw-r--r--support/xmunmap.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/support/xmunmap.c b/support/xmunmap.c
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--- /dev/null
+++ b/support/xmunmap.c
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+/* munmap with error checking.
+ Copyright (C) 2016-2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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 <support/check.h>
+#include <support/xunistd.h>
+#include <sys/mman.h>
+
+void
+xmunmap (void *addr, size_t length)
+{
+ if (munmap (addr, length) != 0)
+ FAIL_EXIT1 ("munmap of %zu bytes: %m", length);
+}