diff options
Diffstat (limited to 'libc/sysdeps/mach/hurd/setrlimit.c')
-rw-r--r-- | libc/sysdeps/mach/hurd/setrlimit.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/libc/sysdeps/mach/hurd/setrlimit.c b/libc/sysdeps/mach/hurd/setrlimit.c new file mode 100644 index 000000000..29f91cf92 --- /dev/null +++ b/libc/sysdeps/mach/hurd/setrlimit.c @@ -0,0 +1,57 @@ +/* Copyright (C) 1991,92,93,94,97,98,2000,01 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> + +#include <hurd.h> +#include <hurd/fd.h> +#include <hurd/resource.h> + +/* Set the soft and hard limits for RESOURCE to *RLIMITS. + Only the super-user can increase hard limits. + Return 0 if successful, -1 if not (and sets errno). */ +int +__setrlimit (enum __rlimit_resource resource, const struct rlimit *rlimits) +{ + struct rlimit lim; + + if (rlimits == NULL || (unsigned int) resource >= RLIMIT_NLIMITS) + { + errno = EINVAL; + return -1; + } + + lim = *rlimits; + + /* Even though most limits do nothing, there is no inheritance, and hard + limits are not really hard, we just let any old call succeed to make + life easier for programs that expect normal behavior. */ + + if (lim.rlim_cur > lim.rlim_max) + lim.rlim_cur = lim.rlim_max; + + HURD_CRITICAL_BEGIN; + __mutex_lock (&_hurd_rlimit_lock); + _hurd_rlimits[resource] = lim; + __mutex_unlock (&_hurd_rlimit_lock); + HURD_CRITICAL_END; + + return 0; +} + +weak_alias (__setrlimit, setrlimit) |