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QoreCondition.h
1 /* -*- mode: c++; indent-tabs-mode: nil -*- */
2 /*
3 QoreCondition.h
4
5 Qore Programming Language
6
7 Copyright (C) 2005 - 2013 David Nichols
8
9 This library is free software; you can redistribute it and/or
10 modify it under the terms of the GNU Lesser General Public
11 License as published by the Free Software Foundation; either
12 version 2.1 of the License, or (at your option) any later version.
13
14 This library is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 Lesser General Public License for more details.
18
19 You should have received a copy of the GNU Lesser General Public
20 License along with this library; if not, write to the Free Software
21 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
24 #ifndef _QORE_QORECONDITION_H
25
26 #define _QORE_QORECONDITION_H
27
28 #include <pthread.h>
29 #include <sys/time.h>
30
31 #include <qore/QoreThreadLock.h>
32
34
37 class QoreCondition {
38 private:
40 pthread_cond_t c;
41
43 DLLLOCAL QoreCondition(const QoreCondition&);
44
46 DLLLOCAL QoreCondition& operator=(const QoreCondition&);
47
48 public:
50 DLLEXPORT QoreCondition();
51
53 DLLEXPORT ~QoreCondition();
54
56 DLLEXPORT int signal();
57
59 DLLEXPORT int broadcast();
60
62
66 DLLEXPORT int wait(pthread_mutex_t *m);
67
69
74 DLLEXPORT int wait(pthread_mutex_t *m, int timeout_ms);
75
77
81 DLLLOCAL int wait(QoreThreadLock *l) {
82 return wait(&l->ptm_lock);
83 }
84
86
91 DLLLOCAL int wait(QoreThreadLock *l, int timeout_ms) {
92 return wait(&l->ptm_lock, timeout_ms);
93 }
94
96
100 DLLLOCAL int wait(QoreThreadLock &l) {
101 return wait(&l);
102 }
103
105
110 DLLLOCAL int wait(QoreThreadLock &l, int timeout_ms) {
111 return wait(&l, timeout_ms);
112 }
113 };
114
115 #endif // QORE_CONDITION
QoreCondition::wait
DLLLOCAL int wait(QoreThreadLock &l, int timeout_ms)
blocks a thread on a lock for a certain number of milliseconds until the condition is signaled ...
Definition: QoreCondition.h:110
QoreCondition::wait
DLLLOCAL int wait(QoreThreadLock &l)
blocks a thread on a lock until the condition is signaled
Definition: QoreCondition.h:100
QoreCondition::wait
DLLLOCAL int wait(QoreThreadLock *l)
blocks a thread on a lock until the condition is signaled
Definition: QoreCondition.h:81
QoreCondition::signal
DLLEXPORT int signal()
signals a single waiting thread to wake up
QoreCondition
a thread condition class implementing a wrapper for pthread_cond_t
Definition: QoreCondition.h:37
QoreCondition::broadcast
DLLEXPORT int broadcast()
singles all threads blocked on this condition to wake up
QoreCondition::~QoreCondition
DLLEXPORT ~QoreCondition()
destroys the condition object
QoreCondition::wait
DLLLOCAL int wait(QoreThreadLock *l, int timeout_ms)
blocks a thread on a lock for a certain number of milliseconds until the condition is signaled ...
Definition: QoreCondition.h:91
QoreThreadLock
provides a mutually-exclusive thread lock
Definition: QoreThreadLock.h:41
QoreCondition::QoreCondition
DLLEXPORT QoreCondition()
creates the condition object
QoreCondition::wait
DLLEXPORT int wait(pthread_mutex_t *m)
blocks a thread on a mutex until the condition is signaled