47 lines
981 B
C++
47 lines
981 B
C++
#include <c10/util/thread_name.h>
|
|
|
|
#include <algorithm>
|
|
#include <array>
|
|
|
|
#ifndef __GLIBC_PREREQ
|
|
#define __GLIBC_PREREQ(x, y) 0
|
|
#endif
|
|
|
|
#if defined(__GLIBC__) && __GLIBC_PREREQ(2, 12) && !defined(__APPLE__) && \
|
|
!defined(__ANDROID__)
|
|
#define C10_HAS_PTHREAD_SETNAME_NP
|
|
#endif
|
|
|
|
#ifdef C10_HAS_PTHREAD_SETNAME_NP
|
|
#include <pthread.h>
|
|
#endif
|
|
|
|
namespace c10 {
|
|
|
|
#ifdef C10_HAS_PTHREAD_SETNAME_NP
|
|
namespace {
|
|
// pthreads has a limit of 16 characters including the null termination byte.
|
|
constexpr size_t kMaxThreadName = 15;
|
|
} // namespace
|
|
#endif
|
|
|
|
void setThreadName(std::string name) {
|
|
#ifdef C10_HAS_PTHREAD_SETNAME_NP
|
|
name.resize(std::min(name.size(), kMaxThreadName));
|
|
|
|
pthread_setname_np(pthread_self(), name.c_str());
|
|
#endif
|
|
}
|
|
|
|
std::string getThreadName() {
|
|
#ifdef C10_HAS_PTHREAD_SETNAME_NP
|
|
std::array<char, kMaxThreadName + 1> name{};
|
|
pthread_getname_np(pthread_self(), name.data(), name.size());
|
|
return name.data();
|
|
#else
|
|
return "";
|
|
#endif
|
|
}
|
|
|
|
} // namespace c10
|