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im-sdk  12.3.91
IMThreadP.cpp
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00001 /*
00002 Copyright 1990-2001 Sun Microsystems, Inc. All Rights Reserved.
00003 
00004 Permission is hereby granted, free of charge, to any person obtaining a
00005 copy of this software and associated documentation files (the
00006 "Software"), to deal in the Software without restriction, including
00007 without limitation the rights to use, copy, modify, merge, publish,
00008 distribute, sublicense, and/or sell copies of the Software, and to
00009 permit persons to whom the Software is furnished to do so, subject to
00010 the following conditions: The above copyright notice and this
00011 permission notice shall be included in all copies or substantial
00012 portions of the Software.
00013 
00014 
00015 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
00016 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00017 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
00018 IN NO EVENT SHALL THE OPEN GROUP OR SUN MICROSYSTEMS, INC. BE LIABLE
00019 FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
00020 CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
00021 THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE EVEN IF
00022 ADVISED IN ADVANCE OF THE POSSIBILITY OF SUCH DAMAGES.
00023 
00024 
00025 Except as contained in this notice, the names of The Open Group and/or
00026 Sun Microsystems, Inc. shall not be used in advertising or otherwise to
00027 promote the sale, use or other dealings in this Software without prior
00028 written authorization from The Open Group and/or Sun Microsystems,
00029 Inc., as applicable.
00030 
00031 
00032 X Window System is a trademark of The Open Group
00033 
00034 OSF/1, OSF/Motif and Motif are registered trademarks, and OSF, the OSF
00035 logo, LBX, X Window System, and Xinerama are trademarks of the Open
00036 Group. All other trademarks and registered trademarks mentioned herein
00037 are the property of their respective owners. No right, title or
00038 interest in or to any trademark, service mark, logo or trade name of
00039 Sun Microsystems, Inc. or its licensors is granted.
00040 
00041 */
00042 
00043 #include <pthread.h>
00044 #include "IMThread.hh"
00045 
00046 struct IMThreadP {
00047   void *stack_base;
00048   size_t stack_size;
00049   ThreadStartProc start_routine;
00050   void *arg;
00051   long flags;
00052   pthread_t tid;
00053 };
00054 
00055 IMThread::IMThread(ThreadStartProc start_routine, void *arg) {
00056   p = new IMThreadP;
00057 
00058   p->stack_base = NULL;
00059   p->stack_size = 0;
00060   p->start_routine = start_routine;
00061   p->arg = arg;
00062   p->flags = 0;
00063   Manage();
00064 }
00065 
00066 IMThread::IMThread(void *stack_base, size_t stack_size,
00067                  ThreadStartProc start_routine,
00068                  void *arg, long flags) {
00069 
00070   p = new IMThreadP;
00071 
00072   p->stack_base = stack_base;
00073 
00074   p->stack_size = stack_size;
00075   p->start_routine = start_routine;
00076   p->arg = arg;
00077   p->flags = flags;
00078   Manage();
00079 }
00080 
00081 IMThread::~IMThread() {
00082   delete p;
00083   // thr_exit((void*)&status);
00084 }
00085 
00086 int
00087 IMThread::Manage() {
00088   int ret = pthread_create(&p->tid, NULL,
00089                         p->start_routine, p->arg);
00090   return ret;
00091 }
00092 
00093 int
00094 IMThread::Unmanage() {
00095   return 0;
00096 }
00097 
00098 // thr_join(3T)
00099 
00100 int
00101 IMThread::Join(IMThread * wait_for, IMThread *departed, void **status) {
00102   return pthread_join(wait_for->p->tid, status);
00103 }
00104 
00105 int
00106 IMThread::Join(IMThread *departed, void **status) {
00107   return Join(this, departed, status);
00108 }
00109 
00110 int
00111 IMThread::Join(void **status) {
00112   return Join(this, (IMThread *)0, (void**)status);
00113 }
00114 
00115 // thr_suspend(3T), thr_continue(3T)
00116 int
00117 IMThread::Suspend() {
00118   return 0;
00119 }
00120 
00121 int
00122 IMThread::Continue() {
00123   return 0;
00124 }