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31 lines
655 B
C++
31 lines
655 B
C++
#include <common/getThreadId.h>
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#if OS_LINUX
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#include <unistd.h>
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#include <syscall.h>
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#elif OS_FREEBSD
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#include <pthread_np.h>
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#else
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#include <pthread.h>
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#include <stdexcept>
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#endif
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static thread_local uint64_t current_tid = 0;
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uint64_t getThreadId()
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{
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if (!current_tid)
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{
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#if OS_LINUX
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current_tid = syscall(SYS_gettid); /// This call is always successful. - man gettid
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#elif OS_FREEBSD
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current_tid = pthread_getthreadid_np();
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#else
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if (0 != pthread_threadid_np(nullptr, ¤t_tid))
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throw std::logic_error("pthread_threadid_np returned error");
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#endif
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}
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return current_tid;
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}
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