1 martin 1.17 //%LICENSE////////////////////////////////////////////////////////////////
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2 martin 1.18 //
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3 martin 1.17 // Licensed to The Open Group (TOG) under one or more contributor license
4 // agreements. Refer to the OpenPegasusNOTICE.txt file distributed with
5 // this work for additional information regarding copyright ownership.
6 // Each contributor licenses this file to you under the OpenPegasus Open
7 // Source License; you may not use this file except in compliance with the
8 // License.
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9 martin 1.18 //
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10 martin 1.17 // Permission is hereby granted, free of charge, to any person obtaining a
11 // copy of this software and associated documentation files (the "Software"),
12 // to deal in the Software without restriction, including without limitation
13 // the rights to use, copy, modify, merge, publish, distribute, sublicense,
14 // and/or sell copies of the Software, and to permit persons to whom the
15 // Software is furnished to do so, subject to the following conditions:
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16 martin 1.18 //
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17 martin 1.17 // The above copyright notice and this permission notice shall be included
18 // in all copies or substantial portions of the Software.
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19 martin 1.18 //
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20 martin 1.17 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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21 martin 1.18 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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22 martin 1.17 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23 // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
24 // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
25 // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
26 // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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27 martin 1.18 //
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28 martin 1.17 //////////////////////////////////////////////////////////////////////////
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29 mike 1.2 //
30 //%/////////////////////////////////////////////////////////////////////////////
31
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32 mike 1.5 #include <errno.h>
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33 mike 1.2 #include "Threads.h"
34 #include "IDFactory.h"
35 #include "TSDKey.h"
36 #include "Once.h"
37
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38 a.dunfey 1.7 #if defined(PEGASUS_OS_TYPE_WINDOWS)
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39 mike 1.2 # include <sys/timeb.h>
40 #endif
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41 marek 1.13 #if defined(PEGASUS_OS_ZOS)
42 # include <unistd.h>
43 #endif
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44 mike 1.2
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45 karl 1.14 #if defined(PEGASUS_OS_SOLARIS)
46 # include <unistd.h>
47 #endif
48
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49 mike 1.2 PEGASUS_NAMESPACE_BEGIN
50
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51 sahana.prabhakar 1.20 namespace
52 {
53 //mutex used for synchronising threads calling _get_stack_multiplier
54 MutexType _multiplier_mutex = PEGASUS_MUTEX_INITIALIZER;
55 }
56
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57 mike 1.2 void Threads::sleep(int msec)
58 {
59 #if defined(PEGASUS_HAVE_NANOSLEEP)
60
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61 dave.sudlik 1.8 struct timespec wait, remwait;
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62 mike 1.2 wait.tv_sec = msec / 1000;
63 wait.tv_nsec = (msec % 1000) * 1000000;
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64 dave.sudlik 1.8
65 while ((nanosleep(&wait, &remwait) == -1) && (errno == EINTR))
66 {
67 wait.tv_sec = remwait.tv_sec;
68 wait.tv_nsec = remwait.tv_nsec;
69 }
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70 mike 1.2
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71 a.dunfey 1.7 #elif defined(PEGASUS_OS_TYPE_WINDOWS)
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72 mike 1.2
73 if (msec == 0)
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74 kumpf 1.6 {
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75 mike 1.2 Sleep(0);
76 return;
77 }
78
79 struct _timeb end, now;
80 _ftime( &end );
81 end.time += (msec / 1000);
82 msec -= (msec / 1000);
83 end.millitm += msec;
84
85 do
86 {
87 Sleep(0);
88 _ftime(&now);
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89 kumpf 1.6 }
90 while (end.millitm > now.millitm && end.time >= now.time);
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91 mike 1.2
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92 ouyang.jian 1.12 #else
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93 mike 1.2 if (msec < 1000)
94 {
95 usleep(msec*1000);
96 }
97 else
98 {
99 // sleep for loop seconds
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100 mike 1.3 ::sleep(msec / 1000);
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101 mike 1.2 // Usleep the remaining micro seconds
102 usleep( (msec*1000) % 1000000 );
103 }
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104 ouyang.jian 1.12
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105 mike 1.2 #endif
106 }
107
108 //==============================================================================
109 //
110 // PEGASUS_HAVE_PTHREADS
111 //
112 //==============================================================================
113
114 #if defined(PEGASUS_HAVE_PTHREADS)
115
116 int Threads::create(
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117 kumpf 1.6 ThreadType& thread,
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118 mike 1.2 Type type,
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119 kumpf 1.6 void* (*start)(void*),
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120 mike 1.2 void* arg)
121 {
122 // Initialize thread attributes:
123
124 pthread_attr_t attr;
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125 sahana.prabhakar 1.19 int rc = pthread_attr_init(&attr);
126 if(rc != 0)
127 {
128 return rc;
129 }
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130 mike 1.2
131 // Detached:
132
133 if (type == DETACHED)
134 {
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135 r.kieninger 1.15 #if defined(PEGASUS_OS_ZOS)
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136 mike 1.2 int ds = 1;
137 pthread_attr_setdetachstate(&attr, &ds);
138 #else
139 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
140 #endif
141 }
142
143 // Stack size:
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144 marek 1.21 rc = pthread_attr_setstacksize(&attr, PEGASUS_INITIAL_THREADSTACK_SIZE);
145 PEGASUS_ASSERT(rc == 0);
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146 mike 1.2
147 // Scheduling policy:
148
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149 karl 1.14 #if defined(PEGASUS_OS_SOLARIS)
150
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151 mike 1.2 pthread_attr_setschedpolicy(&attr, SCHED_OTHER);
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152 karl 1.14
153 #endif /* defined(PEGASUS_OS_SOLARIS) */
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154 mike 1.2
155 // Create thread:
156
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157 sahana.prabhakar 1.19 rc = pthread_create(&thread.thread, &attr, start, arg);
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158 mike 1.2
159 if (rc != 0)
160 {
161 thread = ThreadType();
162 }
163
164 // Destroy attributes now.
165
166 pthread_attr_destroy(&attr);
167
168 // Return:
169
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170 sahana.prabhakar 1.19 return rc;
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171 mike 1.2 }
172
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173 kumpf 1.6 ThreadType Threads::self()
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174 mike 1.2 {
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175 mike 1.4 ThreadType tt;
176 tt.thread = pthread_self();
177 return tt;
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178 mike 1.2 }
179
180 #endif /* PEGASUS_HAVE_PTHREADS */
181
182 PEGASUS_NAMESPACE_END
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Return to
Threads.cpp
CVS log
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