1 /*
2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef OS_BSD_VM_OSTHREAD_BSD_HPP
26 #define OS_BSD_VM_OSTHREAD_BSD_HPP
27
28 private:
29 int _thread_type;
30
31 public:
32
33 int thread_type() const {
34 return _thread_type;
35 }
36 void set_thread_type(int type) {
37 _thread_type = type;
38 }
39
40 private:
41
42 #ifdef _ALLBSD_SOURCE
43 // _thread_id and _pthread_id are the same on BSD
44 // keep both to minimize code divergence in os_bsd.cpp
45 pthread_t _thread_id;
46 pthread_t _pthread_id;
47 #else
48 // _thread_id is kernel thread id (similar to LWP id on Solaris). Each
49 // thread has a unique thread_id (BsdThreads or NPTL). It can be used
50 // to access /proc.
51 pid_t _thread_id;
52
53 // _pthread_id is the pthread id, which is used by library calls
54 // (e.g. pthread_kill).
55 pthread_t _pthread_id;
56 #endif
57
58 sigset_t _caller_sigmask; // Caller's signal mask
59
60 public:
61
62 // Methods to save/restore caller's signal mask
63 sigset_t caller_sigmask() const { return _caller_sigmask; }
64 void set_caller_sigmask(sigset_t sigmask) { _caller_sigmask = sigmask; }
65
66 #ifdef _ALLBSD_SOURCE
67 pthread_t thread_id() const {
68 return _thread_id;
69 }
70 #else
71 pid_t thread_id() const {
72 return _thread_id;
73 }
74 #endif
75 #ifndef PRODUCT
76 // Used for debugging, return a unique integer for each thread.
77 intptr_t thread_identifier() const { return (intptr_t)_pthread_id; }
78 #endif
79 #ifdef ASSERT
80 // We expect no reposition failures so kill vm if we get one.
81 //
82 bool valid_reposition_failure() {
83 return false;
84 }
85 #endif // ASSERT
86 #ifdef _ALLBSD_SOURCE
87 void set_thread_id(pthread_t id) {
88 _thread_id = id;
89 }
90 #else
91 void set_thread_id(pid_t id) {
92 _thread_id = id;
93 }
94 #endif
95 pthread_t pthread_id() const {
96 return _pthread_id;
97 }
98 void set_pthread_id(pthread_t tid) {
99 _pthread_id = tid;
100 }
101
102 // ***************************************************************
103 // suspension support.
104 // ***************************************************************
105
106 public:
107 // flags that support signal based suspend/resume on Bsd are in a
108 // separate class to avoid confusion with many flags in OSThread that
109 // are used by VM level suspend/resume.
|
1 /*
2 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef OS_BSD_VM_OSTHREAD_BSD_HPP
26 #define OS_BSD_VM_OSTHREAD_BSD_HPP
27
28 private:
29 int _thread_type;
30
31 public:
32
33 int thread_type() const {
34 return _thread_type;
35 }
36 void set_thread_type(int type) {
37 _thread_type = type;
38 }
39
40 private:
41
42 #ifdef _ALLBSD_SOURCE
43
44 #ifdef __APPLE__
45 thread_t _thread_id;
46 #else
47 pthread_t _thread_id;
48 #endif
49
50 // _pthread_id is the pthread id, which is used by library calls
51 // (e.g. pthread_kill).
52 pthread_t _pthread_id;
53
54 #else
55 // _thread_id is kernel thread id (similar to LWP id on Solaris). Each
56 // thread has a unique thread_id (BsdThreads or NPTL). It can be used
57 // to access /proc.
58 pid_t _thread_id;
59
60 // _pthread_id is the pthread id, which is used by library calls
61 // (e.g. pthread_kill).
62 pthread_t _pthread_id;
63 #endif
64
65 sigset_t _caller_sigmask; // Caller's signal mask
66
67 public:
68
69 // Methods to save/restore caller's signal mask
70 sigset_t caller_sigmask() const { return _caller_sigmask; }
71 void set_caller_sigmask(sigset_t sigmask) { _caller_sigmask = sigmask; }
72
73 #ifdef _ALLBSD_SOURCE
74 #ifdef __APPLE__
75 thread_t thread_id() const {
76 return _thread_id;
77 }
78 #else
79 pthread_t thread_id() const {
80 return _thread_id;
81 }
82 #endif
83 #else
84 pid_t thread_id() const {
85 return _thread_id;
86 }
87 #endif
88 #ifndef PRODUCT
89 // Used for debugging, return a unique integer for each thread.
90 intptr_t thread_identifier() const { return (intptr_t)_pthread_id; }
91 #endif
92 #ifdef ASSERT
93 // We expect no reposition failures so kill vm if we get one.
94 //
95 bool valid_reposition_failure() {
96 return false;
97 }
98 #endif // ASSERT
99 #ifdef _ALLBSD_SOURCE
100 #ifdef __APPLE__
101 void set_thread_id(thread_t id) {
102 _thread_id = id;
103 }
104 #else
105 void set_thread_id(pthread_t id) {
106 _thread_id = id;
107 }
108 #endif
109 #else
110 void set_thread_id(pid_t id) {
111 _thread_id = id;
112 }
113 #endif
114 pthread_t pthread_id() const {
115 return _pthread_id;
116 }
117 void set_pthread_id(pthread_t tid) {
118 _pthread_id = tid;
119 }
120
121 // ***************************************************************
122 // suspension support.
123 // ***************************************************************
124
125 public:
126 // flags that support signal based suspend/resume on Bsd are in a
127 // separate class to avoid confusion with many flags in OSThread that
128 // are used by VM level suspend/resume.
|