blob: 77067844d73f078323561e3f8205b3e40d44f93c (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
//do not use directly
#pragma once
#include "platform.h"
#if defined(_win_)
#include "winint.h"
#include <process.h>
typedef HANDLE THREADHANDLE;
#else
#include <pthread.h>
#include <sched.h>
#include <errno.h>
#include <string.h>
typedef pthread_t THREADHANDLE;
#endif
#if defined(_freebsd_)
#include <pthread_np.h>
#elif defined(_linux_)
#include <sys/prctl.h>
#endif
#include <util/digest/numeric.h>
static inline size_t SystemCurrentThreadIdImpl() noexcept {
#if defined(_unix_)
return (size_t)pthread_self();
#elif defined(_win_)
return (size_t)GetCurrentThreadId();
#else
#error todo
#endif
}
template <class T>
static inline T ThreadIdHashFunction(T t) noexcept {
/*
* we must permute threadid bits, because some strange platforms(such Linux)
* have strange threadid numeric properties
*
* Because they are alligned pointers to pthread_t rather that tid.
* Currently there is no way to get tid without syscall (slightly slower)
* (pthread_getthreadid_np is not implemeted in glibc/musl for some reason).
*/
return IntHash(t);
}
static inline size_t SystemCurrentThreadId() noexcept {
return ThreadIdHashFunction(SystemCurrentThreadIdImpl());
}
|