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/* Indicate that a test requires a working /proc.
Copyright (C) 2022 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
<https://www.gnu.org/licenses/>. */
#include <unistd.h>
#include <support/check.h>
#include <support/support.h>
/* We test for /proc/self/maps since that's one of the files that one
of our tests actually uses, but the general idea is if Linux's
/proc/ (procfs) filesystem is mounted. If not, the process exits
with an UNSUPPORTED result code. */
void
support_need_proc (const char *why_msg)
{
#ifdef __linux__
if (access ("/proc/self/maps", R_OK))
FAIL_UNSUPPORTED ("/proc is not available, %s", why_msg);
#endif
}
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