From 59ff172f8064757e2302f9b4fb7583ec2841d591 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Thu, 8 Jan 2015 10:49:40 -0800 Subject: NPTL: Refactor cpu_set_t validation to be sysdeps-controlled This removes Linuxisms related to cpu_set_t validation from the generic NPTL code and puts them into a new sysdeps header file. --- nptl/check-cpuset.h | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 nptl/check-cpuset.h (limited to 'nptl/check-cpuset.h') diff --git a/nptl/check-cpuset.h b/nptl/check-cpuset.h new file mode 100644 index 0000000..315bdf2 --- /dev/null +++ b/nptl/check-cpuset.h @@ -0,0 +1,32 @@ +/* Validate cpu_set_t values for NPTL. Stub version. + Copyright (C) 2015 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 + +/* Returns 0 if CS and SZ are valid values for the cpuset and cpuset size + respectively. Otherwise it returns an error number. */ +static inline int +check_cpuset_attr (const cpu_set_t *cs, const size_t sz) +{ + if (sz == 0) + return 0; + + /* This means pthread_attr_setaffinity will return ENOSYS, which + is the right thing when the cpu_set_t features are not available. */ + return ENOSYS; +} -- cgit v1.1