102 lines
2.2 KiB
C++
102 lines
2.2 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/detail/ThreadPthread.h"
|
|
|
|
char disable_linker_warning_about_empty_file_thread_pthread_cpp TD_UNUSED;
|
|
|
|
#if TD_THREAD_PTHREAD
|
|
|
|
#include "td/utils/misc.h"
|
|
|
|
#include <pthread.h>
|
|
#include <sched.h>
|
|
#if TD_FREEBSD || TD_OPENBSD || TD_NETBSD
|
|
#include <sys/sysctl.h>
|
|
#endif
|
|
#include <unistd.h>
|
|
|
|
namespace td {
|
|
namespace detail {
|
|
unsigned ThreadPthread::hardware_concurrency() {
|
|
// Linux and macOS
|
|
#if defined(_SC_NPROCESSORS_ONLN)
|
|
{
|
|
auto res = sysconf(_SC_NPROCESSORS_ONLN);
|
|
if (res > 0) {
|
|
return narrow_cast<unsigned>(res);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if TD_FREEBSD || TD_OPENBSD || TD_NETBSD
|
|
#if defined(HW_AVAILCPU) && defined(CTL_HW)
|
|
{
|
|
int mib[2] = {CTL_HW, HW_AVAILCPU};
|
|
int res{0};
|
|
size_t len = sizeof(res);
|
|
if (sysctl(mib, 2, &res, &len, nullptr, 0) == 0 && res != 0) {
|
|
return res;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if defined(HW_NCPU) && defined(CTL_HW)
|
|
{
|
|
int mib[2] = {CTL_HW, HW_NCPU};
|
|
int res{0};
|
|
size_t len = sizeof(res);
|
|
if (sysctl(mib, 2, &res, &len, nullptr, 0) == 0 && res != 0) {
|
|
return res;
|
|
}
|
|
}
|
|
#endif
|
|
#endif
|
|
|
|
// Just in case
|
|
return 8;
|
|
}
|
|
|
|
void ThreadPthread::set_name(CSlice name) {
|
|
#if defined(_GNU_SOURCE) && defined(__GLIBC_PREREQ)
|
|
#if __GLIBC_PREREQ(2, 12)
|
|
pthread_setname_np(thread_, name.c_str());
|
|
#endif
|
|
#endif
|
|
}
|
|
|
|
void ThreadPthread::join() {
|
|
if (is_inited_.get()) {
|
|
is_inited_ = false;
|
|
pthread_join(thread_, nullptr);
|
|
}
|
|
}
|
|
|
|
void ThreadPthread::detach() {
|
|
if (is_inited_.get()) {
|
|
is_inited_ = false;
|
|
pthread_detach(thread_);
|
|
}
|
|
}
|
|
|
|
int ThreadPthread::do_pthread_create(pthread_t *thread, const pthread_attr_t *attr, void *(*start_routine)(void *),
|
|
void *arg) {
|
|
return pthread_create(thread, attr, start_routine, arg);
|
|
}
|
|
|
|
namespace this_thread_pthread {
|
|
void yield() {
|
|
sched_yield();
|
|
}
|
|
ThreadPthread::id get_id() {
|
|
return pthread_self();
|
|
}
|
|
} // namespace this_thread_pthread
|
|
|
|
} // namespace detail
|
|
} // namespace td
|
|
#endif
|