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Diffstat (limited to 'REORG.TODO/resource/vlimit.c')
-rw-r--r-- | REORG.TODO/resource/vlimit.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/REORG.TODO/resource/vlimit.c b/REORG.TODO/resource/vlimit.c new file mode 100644 index 0000000000..69f5efb829 --- /dev/null +++ b/REORG.TODO/resource/vlimit.c @@ -0,0 +1,48 @@ +/* Copyright (C) 1991-2017 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/>. */ + +/* This is generic in the sense that it will work with the BSD, SYSV, + or stub versions of getrlimit. Separate versions could be written + for efficiency, but it's probably not worth it. */ + +#include <sys/vlimit.h> +#include <sys/resource.h> +#include <errno.h> + +/* Set the soft limit for RESOURCE to be VALUE. + Returns 0 for success, -1 for failure. */ +int +vlimit (enum __vlimit_resource resource, int value) +{ + if (resource >= LIM_CPU && resource <= LIM_MAXRSS) + { + /* The rlimit codes happen to each be one less + than the corresponding vlimit codes. */ + enum __rlimit_resource rlimit_res = + (enum __rlimit_resource) ((int) resource - 1); + struct rlimit lims; + + if (__getrlimit (rlimit_res, &lims) < 0) + return -1; + + lims.rlim_cur = value; + return __setrlimit (rlimit_res, &lims); + } + + __set_errno (EINVAL); + return -1; +} |