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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
// $Id$
#include "ace/Process_Semaphore.h"
#include "ace/Log_Msg.h"
#if !defined (__ACE_INLINE__)
#include "ace/Process_Semaphore.inl"
#endif /* __ACE_INLINE__ */
ACE_RCSID(ace, Process_Semaphore, "$Id$")
void
ACE_Process_Semaphore::dump (void) const
{
// ACE_TRACE ("ACE_Process_Semaphore::dump");
ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
this->lock_.dump ();
ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP));
}
ACE_Process_Semaphore::ACE_Process_Semaphore (u_int count,
const ACE_TCHAR *name,
void *arg,
int max)
#if defined (ACE_WIN32) || defined (ACE_HAS_POSIX_SEM) || defined (ACE_PSOS)
: lock_ (count, USYNC_PROCESS, name, arg, max)
#else
: lock_ (name, ACE_SV_Semaphore_Complex::ACE_CREATE, count)
#endif /* ACE_WIN32 || ACE_HAS_POSIX_SEM || ACE_PSOS */
{
arg = arg;
max = max;
// ACE_TRACE ("ACE_Process_Semaphore::ACE_Process_Semaphore");
}
ACE_Process_Semaphore::~ACE_Process_Semaphore (void)
{
// ACE_TRACE ("ACE_Process_Semaphore::~ACE_Process_Semaphore");
}
// Explicitly destroy the semaphore.
int
ACE_Process_Semaphore::remove (void)
{
// ACE_TRACE ("ACE_Process_Semaphore::remove");
return this->lock_.remove ();
}
// Block the thread until the semaphore count becomes
// greater than 0, then decrement it.
int
ACE_Process_Semaphore::acquire (void)
{
// ACE_TRACE ("ACE_Process_Semaphore::acquire");
return this->lock_.acquire ();
}
// Conditionally decrement the semaphore if count is greater
// than 0 (i.e., won't block).
int
ACE_Process_Semaphore::tryacquire (void)
{
// ACE_TRACE ("ACE_Process_Semaphore::tryacquire");
return this->lock_.tryacquire ();
}
// Increment the semaphore, potentially unblocking
// a waiting thread.
int
ACE_Process_Semaphore::release (void)
{
// ACE_TRACE ("ACE_Process_Semaphore::release");
return this->lock_.release ();
}
//
// These are instantiated both with and without ACE_HAS_THREADS.
//
#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION)
// template class ACE_Guard<ACE_Process_Semaphore>;
#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA)
// #pragma instantiate ACE_Guard<ACE_Process_Semaphore>
#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */
|