From faf0e9c84119742dd9ebb79060faa22c52ae80a1 Mon Sep 17 00:00:00 2001 From: Florian Weimer Date: Fri, 27 Jan 2017 06:53:19 +0100 Subject: nptl: Add tst-robust-fork --- support/xmmap.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 support/xmmap.c (limited to 'support/xmmap.c') diff --git a/support/xmmap.c b/support/xmmap.c new file mode 100644 index 0000000000..435b1eb733 --- /dev/null +++ b/support/xmmap.c @@ -0,0 +1,31 @@ +/* mmap 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 + . */ + +#include +#include +#include + +void * +xmmap (void *addr, size_t length, int prot, int flags, int fd) +{ + void *result = mmap (addr, length, prot, flags, fd, 0); + if (result == MAP_FAILED) + FAIL_EXIT1 ("mmap of %zu bytes, prot=0x%x, flags=0x%x: %m", + length, prot, flags); + return result; +} -- cgit 1.4.1