1
2/*
3 * Copyright (C) Igor Sysoev
4 * Copyright (C) NGINX, Inc.
5 */
6
7#ifndef _NXT_UNIX_THREAD_ID_H_INCLUDED_
8#define _NXT_UNIX_THREAD_ID_H_INCLUDED_
9
10
11#if (NXT_LINUX)
12
| 1
2/*
3 * Copyright (C) Igor Sysoev
4 * Copyright (C) NGINX, Inc.
5 */
6
7#ifndef _NXT_UNIX_THREAD_ID_H_INCLUDED_
8#define _NXT_UNIX_THREAD_ID_H_INCLUDED_
9
10
11#if (NXT_LINUX)
12
|
13typedef pid_t nxt_tid_t;
| 13/*
14 * Linux thread id is a pid of thread created by clone(2),
15 * glibc does not provide a wrapper for gettid().
16 */
|
14
| 17
|
| 18typedef pid_t nxt_tid_t;
19
20nxt_inline nxt_tid_t
21nxt_thread_get_tid(void)
22{
23 return syscall(SYS_gettid);
24}
25
|
15#elif (NXT_FREEBSD)
16
| 26#elif (NXT_FREEBSD)
27
|
17typedef uint32_t nxt_tid_t;
| 28/*
29 * FreeBSD 9.0 provides pthread_getthreadid_np(), here is its
30 * emulation. Kernel thread id is the first field of struct pthread.
31 * Although kernel exports a thread id as long type, lwpid_t is 32bit.
32 * Thread id is a number above 100,000.
33 */
|
18
| 34
|
| 35typedef uint32_t nxt_tid_t;
36
37nxt_inline nxt_tid_t
38nxt_thread_get_tid(void)
39{
40 return (uint32_t) (*(long *) pthread_self());
41}
42
|
19#elif (NXT_SOLARIS)
20
| 43#elif (NXT_SOLARIS)
44
|
| 45/* Solaris pthread_t are numbers starting with 1. */
46
|
21typedef pthread_t nxt_tid_t;
22
| 47typedef pthread_t nxt_tid_t;
48
|
| 49nxt_inline nxt_tid_t
50nxt_thread_get_tid(void)
51{
52 return pthread_self();
53}
54
|
23#elif (NXT_MACOSX)
24
| 55#elif (NXT_MACOSX)
56
|
25typedef uint64_t nxt_tid_t;
| 57/*
58 * MacOSX thread has two thread ids:
59 *
60 * 1) MacOSX 10.6 (Snow Leoprad) has pthread_threadid_np() returning
61 * an uint64_t value, which is obtained using the __thread_selfid()
62 * syscall. It is a number above 300,000.
63 */
|
26
| 64
|
| 65typedef uint64_t nxt_tid_t;
66
67nxt_inline nxt_tid_t
68nxt_thread_get_tid(void)
69{
70 uint64_t tid;
71
72 (void) pthread_threadid_np(NULL, &tid);
73 return tid;
74}
75
76/*
77 * 2) Kernel thread mach_port_t returned by pthread_mach_thread_np().
78 * It is a number in range 100-100,000.
79 *
80 * return pthread_mach_thread_np(pthread_self());
81 */
82
|
27#elif (NXT_AIX)
28
| 83#elif (NXT_AIX)
84
|
29typedef tid_t nxt_tid_t;
| 85/*
86 * pthread_self() in main thread returns 1.
87 * pthread_self() in other threads returns 258, 515, etc.
88 *
89 * pthread_getthrds_np(PTHRDSINFO_QUERY_TID) returns kernel tid
90 * shown in "ps -ef -m -o THREAD" output.
91 */
|
30
| 92
|
| 93typedef tid_t nxt_tid_t;
94
95nxt_inline nxt_tid_t
96nxt_thread_get_tid(void)
97{
98 int err, size;
99 pthread_t pt;
100 struct __pthrdsinfo ti;
101
102 size = 0;
103 pt = pthread_self();
104
105 err = pthread_getthrds_np(&pt, PTHRDSINFO_QUERY_TID, &ti,
106 sizeof(struct __pthrdsinfo), NULL, size);
107
108 if (nxt_fast_path(err == 0)) {
109 return ti.__pi_tid;
110 }
111
112 nxt_main_log_alert("pthread_getthrds_np(PTHRDSINFO_QUERY_TID) failed %E",
113 err);
114 return 0;
115}
116
117/*
118 * AIX pthread_getunique_np() returns thread unique number starting with 1.
119 * OS/400 and i5/OS have pthread_getthreadid_np(), but AIX lacks their
120 * counterpart.
121 *
122 *
123 * int tid;
124 * pthread_t pt;
125 *
126 * pt = pthread_self();
127 * pthread_getunique_np(&pt, &tid);
128 * return tid;
129 */
130
|
31#elif (NXT_HPUX)
32
| 131#elif (NXT_HPUX)
132
|
| 133/* HP-UX pthread_t are numbers starting with 1. */
134
|
33typedef pthread_t nxt_tid_t;
34
| 135typedef pthread_t nxt_tid_t;
136
|
| 137nxt_inline nxt_tid_t
138nxt_thread_get_tid(void)
139{
140 return pthread_self();
141}
142
|
35#else
36
37typedef pthread_t nxt_tid_t;
38
| 143#else
144
145typedef pthread_t nxt_tid_t;
146
|
| 147nxt_inline nxt_tid_t
148nxt_thread_get_tid(void)
149{
150 return pthread_self();
151}
152
|
39#endif
40
41
42NXT_EXPORT nxt_tid_t nxt_thread_tid(nxt_thread_t *thr);
43
44
45/*
46 * On Linux pthread_t is unsigned long integer.
--- 19 unchanged lines hidden --- | 153#endif
154
155
156NXT_EXPORT nxt_tid_t nxt_thread_tid(nxt_thread_t *thr);
157
158
159/*
160 * On Linux pthread_t is unsigned long integer.
--- 19 unchanged lines hidden --- |