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
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
|
//
// Copyright (C) 2002-2005 3Dlabs Inc. Ltd.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
//
// Neither the name of 3Dlabs Inc. Ltd. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
//
// This file contains the Linux-specific functions
//
#include "../osinclude.h"
#include "../../../OGLCompilersDLL/InitializeDll.h"
#include <pthread.h>
#include <semaphore.h>
#include <assert.h>
#include <errno.h>
#include <stdint.h>
#include <cstdio>
#include <sys/time.h>
#if !defined(__Fuchsia__)
#include <sys/resource.h>
#endif
namespace glslang {
//
// Thread cleanup
//
//
// Thread Local Storage Operations
//
inline OS_TLSIndex PthreadKeyToTLSIndex(pthread_key_t key)
{
return (OS_TLSIndex)((uintptr_t)key + 1);
}
inline pthread_key_t TLSIndexToPthreadKey(OS_TLSIndex nIndex)
{
return (pthread_key_t)((uintptr_t)nIndex - 1);
}
OS_TLSIndex OS_AllocTLSIndex()
{
pthread_key_t pPoolIndex;
//
// Create global pool key.
//
if ((pthread_key_create(&pPoolIndex, nullptr)) != 0) {
assert(0 && "OS_AllocTLSIndex(): Unable to allocate Thread Local Storage");
return OS_INVALID_TLS_INDEX;
}
else
return PthreadKeyToTLSIndex(pPoolIndex);
}
bool OS_SetTLSValue(OS_TLSIndex nIndex, void *lpvValue)
{
if (nIndex == OS_INVALID_TLS_INDEX) {
assert(0 && "OS_SetTLSValue(): Invalid TLS Index");
return false;
}
if (pthread_setspecific(TLSIndexToPthreadKey(nIndex), lpvValue) == 0)
return true;
else
return false;
}
void* OS_GetTLSValue(OS_TLSIndex nIndex)
{
//
// This function should return 0 if nIndex is invalid.
//
assert(nIndex != OS_INVALID_TLS_INDEX);
return pthread_getspecific(TLSIndexToPthreadKey(nIndex));
}
bool OS_FreeTLSIndex(OS_TLSIndex nIndex)
{
if (nIndex == OS_INVALID_TLS_INDEX) {
assert(0 && "OS_SetTLSValue(): Invalid TLS Index");
return false;
}
//
// Delete the global pool key.
//
if (pthread_key_delete(TLSIndexToPthreadKey(nIndex)) == 0)
return true;
else
return false;
}
namespace {
pthread_mutex_t gMutex;
}
static void InitMutex(void)
{
pthread_mutexattr_t mutexattr;
pthread_mutexattr_init(&mutexattr);
pthread_mutexattr_settype(&mutexattr, PTHREAD_MUTEX_RECURSIVE);
pthread_mutex_init(&gMutex, &mutexattr);
}
void InitGlobalLock()
{
static pthread_once_t once = PTHREAD_ONCE_INIT;
pthread_once(&once, InitMutex);
}
void GetGlobalLock()
{
pthread_mutex_lock(&gMutex);
}
void ReleaseGlobalLock()
{
pthread_mutex_unlock(&gMutex);
}
// #define DUMP_COUNTERS
void OS_DumpMemoryCounters()
{
#ifdef DUMP_COUNTERS
struct rusage usage;
if (getrusage(RUSAGE_SELF, &usage) == 0)
printf("Working set size: %ld\n", usage.ru_maxrss * 1024);
#else
printf("Recompile with DUMP_COUNTERS defined to see counters.\n");
#endif
}
} // end namespace glslang
|
