diff options
Diffstat (limited to 'support/support_need_proc.c')
-rw-r--r-- | support/support_need_proc.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/support/support_need_proc.c b/support/support_need_proc.c new file mode 100644 index 0000000..9b4eab7 --- /dev/null +++ b/support/support_need_proc.c @@ -0,0 +1,35 @@ +/* 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 +} |