58 lines
1.3 KiB
C++
58 lines
1.3 KiB
C++
|
//
|
||
|
|
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
|
||
|
|
//
|
||
|
|
// Distributed under the Boost Software License, Version 1.0. (See accompanying
|
||
|
|
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
||
|
|
//
|
||
|
|
#include "td/utils/port/rlimit.h"
|
||
|
|
|
||
|
|
#include "td/utils/port/config.h"
|
||
|
|
|
||
|
|
#include "td/utils/misc.h"
|
||
|
|
|
||
|
|
#if TD_PORT_POSIX
|
||
|
|
#include <sys/resource.h>
|
||
|
|
#include <sys/time.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
namespace td {
|
||
|
|
|
||
|
|
#if TD_PORT_POSIX
|
||
|
|
static int get_resource(ResourceLimitType type) {
|
||
|
|
switch (type) {
|
||
|
|
case ResourceLimitType::NoFile:
|
||
|
|
return RLIMIT_NOFILE;
|
||
|
|
default:
|
||
|
|
UNREACHABLE();
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
Status set_resource_limit(ResourceLimitType type, uint64 value) {
|
||
|
|
#if TD_PORT_POSIX
|
||
|
|
int resource = get_resource(type);
|
||
|
|
|
||
|
|
rlimit rlim;
|
||
|
|
if (getrlimit(resource, &rlim) == -1) {
|
||
|
|
return OS_ERROR("Failed to get current resource limit");
|
||
|
|
}
|
||
|
|
|
||
|
|
TRY_RESULT(new_value, narrow_cast_safe<rlim_t>(value));
|
||
|
|
if (rlim.rlim_max < new_value) {
|
||
|
|
rlim.rlim_max = new_value;
|
||
|
|
}
|
||
|
|
rlim.rlim_cur = new_value;
|
||
|
|
|
||
|
|
if (setrlimit(resource, &rlim) < 0) {
|
||
|
|
return OS_ERROR("Failed to set resource limit");
|
||
|
|
}
|
||
|
|
return Status::OK();
|
||
|
|
#elif TD_PORT_WINDOWS
|
||
|
|
return Status::OK(); // Windows has no limits
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace td
|