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/** @file
A brief file description
@section license License
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include "ink_sys_control.h"
#include "ink_platform.h"
#include "ink_assert.h"
rlim_t
ink_max_out_rlimit(int which, bool max_it, bool unlim_it)
{
struct rlimit rl;
#if defined(linux)
# define MAGIC_CAST(x) (enum __rlimit_resource)(x)
#else
# define MAGIC_CAST(x) x
#endif
if (max_it) {
ink_release_assert(getrlimit(MAGIC_CAST(which), &rl) >= 0);
if (rl.rlim_cur != rl.rlim_max) {
#if defined(darwin)
if (which == RLIMIT_NOFILE)
rl.rlim_cur = fmin(OPEN_MAX, rl.rlim_max);
else
rl.rlim_cur = rl.rlim_max;
#else
rl.rlim_cur = rl.rlim_max;
#endif
ink_release_assert(setrlimit(MAGIC_CAST(which), &rl) >= 0);
}
}
#if !defined(darwin)
if (unlim_it) {
ink_release_assert(getrlimit(MAGIC_CAST(which), &rl) >= 0);
if (rl.rlim_cur != (rlim_t)RLIM_INFINITY) {
rl.rlim_cur = (rl.rlim_max = RLIM_INFINITY);
ink_release_assert(setrlimit(MAGIC_CAST(which), &rl) >= 0);
}
}
#endif
ink_release_assert(getrlimit(MAGIC_CAST(which), &rl) >= 0);
return rl.rlim_cur;
}
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