+++ /dev/null
-#include "runtime.h"
-#include <sys/types.h>
-#include <unistd.h>
-#include <errno.h>
-#include <stdlib.h>
-#include "thread.h"
-#include "option.h"
-#include <signal.h>
-#include <DSTM/interface/dstm.h>
-#include <DSTM/interface/llookup.h>
-
-#ifndef RAW
-#include <stdio.h>
-#endif
-int threadcount;
-pthread_mutex_t gclock;
-pthread_mutex_t gclistlock;
-pthread_cond_t gccond;
-pthread_mutex_t objlock;
-pthread_cond_t objcond;
-
-pthread_mutex_t joinlock;
-pthread_cond_t joincond;
-pthread_key_t threadlocks;
-pthread_mutex_t threadnotifylock;
-pthread_cond_t threadnotifycond;
-pthread_key_t oidval;
-
-void threadexit() {
- objheader_t* ptr;
- void *value;
- transrecord_t * trans;
- unsigned int oidvalue;
-
-#ifdef THREADS
- struct ___Object___ *ll=pthread_getspecific(threadlocks);
- while(ll!=NULL) {
- struct ___Object___ *llnext=ll->___nextlockobject___;
- ll->___nextlockobject___=NULL;
- ll->___prevlockobject___=NULL;
- ll->lockcount=0;
- ll->tid=0; //unlock it
- ll=llnext;
- }
- pthread_mutex_lock(&objlock);//wake everyone up
- pthread_cond_broadcast(&objcond);
- pthread_mutex_unlock(&objlock);
-#endif
- pthread_mutex_lock(&gclistlock);
- threadcount--;
- pthread_cond_signal(&gccond);
- pthread_mutex_unlock(&gclistlock);
-#ifdef DSTM
- /* Add transaction to check if thread finished for join operation */
- value = pthread_getspecific(oidval);
- oidvalue = *((unsigned int *)value);
- goto transstart;
-transstart:
- {
- transrecord_t * trans = transStart();
- ptr = transRead(trans, oidvalue);
- struct ___Thread___ *p = (struct ___Thread___ *) ptr;
- p->___threadDone___ = 1;
- *((unsigned int *)&((struct ___Object___ *) p)->___localcopy___) |=DIRTY;
- if(transCommit(trans) != 0) {
- goto transstart;
- }
- }
-#endif
- pthread_exit(NULL);
-}
-
-void threadhandler(int sig, siginfo_t *info, void *uap) {
-#ifdef DEBUG
- printf("sig=%d\n",sig);
- printf("signal\n");
-#endif
- threadexit();
-}
-
-void initializethreads() {
- struct sigaction sig;
- threadcount=1;
- pthread_mutex_init(&gclock, NULL);
- pthread_mutex_init(&gclistlock, NULL);
- pthread_cond_init(&gccond, NULL);
- pthread_mutex_init(&objlock,NULL);
- pthread_cond_init(&objcond,NULL);
- pthread_mutex_init(&joinlock,NULL);
- pthread_cond_init(&joincond,NULL);
- pthread_key_create(&threadlocks, NULL);
- processOptions();
- initializeexithandler();
-
- sig.sa_sigaction=&threadhandler;
- sig.sa_flags=SA_SIGINFO;
- sigemptyset(&sig.sa_mask);
-
- /* Catch bus errors, segmentation faults, and floating point exceptions*/
- sigaction(SIGBUS,&sig,0);
- sigaction(SIGSEGV,&sig,0);
- sigaction(SIGFPE,&sig,0);
- signal(SIGPIPE, SIG_IGN);
-}
-
-#ifdef THREADS
-void initthread(struct ___Thread___ * ___this___) {
-#ifdef PRECISE_GC
- int p[]={1, (int) NULL, (int) ___this___};
- ___Thread______staticStart____L___Thread___((struct ___Thread______staticStart____L___Thread____params *)p);
- ___this___=(struct ___Thread___ *) p[2];
-#else
- ___Thread______staticStart____L___Thread___(___this___);
-#endif
- ___this___->___finished___=1;
- pthread_mutex_lock(&joinlock);
- pthread_cond_signal(&joincond);
- pthread_mutex_unlock(&joinlock);
-
- pthread_mutex_lock(&gclistlock);
- threadcount--;
- pthread_cond_signal(&gccond);
- pthread_mutex_unlock(&gclistlock);
-}
-#endif
-
-void CALL11(___Thread______sleep____J, long long ___millis___, long long ___millis___) {
-#ifdef THREADS
-#ifdef PRECISE_GC
- struct listitem *tmp=stopforgc((struct garbagelist *)___params___);
-#endif
-#endif
- usleep(___millis___);
-#ifdef THREADS
-#ifdef PRECISE_GC
- restartaftergc(tmp);
-#endif
-#endif
-}
-
-#if defined(DSTM)|| defined(THREADS)
-void CALL00(___Thread______yield____) {
- pthread_yield();
-}
-#endif
-
-#ifdef DSTM
-/* Add thread join capability */
-void CALL01(___Thread______join____, struct ___Thread___ * ___this___) {
- unsigned int *oidarray;
- unsigned short *versionarray, version;
- transrecord_t *trans;
- objheader_t *ptr;
- /* Add transaction to check if thread finished for join operation */
- goto transstart;
-transstart:
- trans = transStart();
- ptr = transRead(trans, (unsigned int) VAR(___this___));
- struct ___Thread___ *p = (struct ___Thread___ *) ptr;
-#ifdef THREADJOINDEBUG
- printf("Start join process for Oid = %x\n", (unsigned int) VAR(___this___));
-#endif
- if(p->___threadDone___ == 1) {
-#ifdef THREADJOINDEBUG
- printf("Thread oid = %x is done\n", (unsigned int) VAR(___this___));
-#endif
- transAbort(trans);
- return;
- } else {
-
- version = (ptr-1)->version;
- if((oidarray = calloc(1, sizeof(unsigned int))) == NULL) {
- printf("Calloc error %s, %d\n", __FILE__, __LINE__);
- return;
- }
-
- oidarray[0] = (unsigned int) VAR(___this___);
-
- if((versionarray = calloc(1, sizeof(unsigned short))) == NULL) {
- printf("Calloc error %s, %d\n", __FILE__, __LINE__);
- free(oidarray);
- return;
- }
- versionarray[0] = version;
- /* Request Notification */
-#ifdef PRECISE_GC
- struct listitem *tmp=stopforgc((struct garbagelist *)___params___);
-#endif
- reqNotify(oidarray, versionarray, 1);
-#ifdef PRECISE_GC
- restartaftergc(tmp);
-#endif
- free(oidarray);
- free(versionarray);
- transAbort(trans);
- goto transstart;
- }
- return;
-}
-#endif
-
-#ifdef THREADS
-void CALL01(___Thread______nativeJoin____, struct ___Thread___ * ___this___) {
- pthread_mutex_lock(&joinlock);
- while(!VAR(___this___)->___finished___)
- pthread_cond_wait(&joincond, &joinlock);
- pthread_mutex_unlock(&joinlock);
-}
-
-void CALL01(___Thread______nativeCreate____, struct ___Thread___ * ___this___) {
- pthread_t thread;
- int retval;
- pthread_attr_t nattr;
-
- pthread_mutex_lock(&gclistlock);
- threadcount++;
- pthread_mutex_unlock(&gclistlock);
- pthread_attr_init(&nattr);
- pthread_attr_setdetachstate(&nattr, PTHREAD_CREATE_DETACHED);
-
- do {
- retval=pthread_create(&thread, &nattr, (void * (*)(void *)) &initthread, VAR(___this___));
- if (retval!=0)
- usleep(1);
- } while(retval!=0);
- /* This next statement will likely not work on many machines */
-
- pthread_attr_destroy(&nattr);
-}
-#endif
-
-#ifdef DSTM
-void CALL12(___Thread______start____I, int ___mid___, struct ___Thread___ * ___this___, int ___mid___) {
- startRemoteThread((unsigned int)VAR(___this___), ___mid___);
-}
-#endif
-
-#ifdef DSTM
-void globalDestructor(void *value) {
- free(value);
- pthread_setspecific(oidval, NULL);
-}
-
-void initDSMthread(int *ptr) {
- objheader_t *tmp;
- transrecord_t * trans;
- void *threadData;
- int oid=ptr[0];
- int type=ptr[1];
- free(ptr);
-#ifdef PRECISE_GC
- int p[]={1, 0 /* NULL */, oid};
- ((void (*)(void *))virtualtable[type*MAXCOUNT+RUNMETHOD])(p);
-#else
- ((void (*)(void *))virtualtable[type*MAXCOUNT+RUNMETHOD])(oid);
-#endif
- threadData = calloc(1, sizeof(unsigned int));
- *((unsigned int *) threadData) = oid;
- pthread_setspecific(oidval, threadData);
- pthread_mutex_lock(&gclistlock);
- threadcount--;
- pthread_cond_signal(&gccond);
- pthread_mutex_unlock(&gclistlock);
- /* Add transaction to check if thread finished for join operation */
- goto transstart;
-transstart:
- {
- transrecord_t * trans = transStart();
- tmp = transRead(trans, (unsigned int) oid);
- ((struct ___Thread___ *)tmp)->___threadDone___ = 1;
- *((unsigned int *)&((struct ___Object___ *) tmp)->___localcopy___) |=DIRTY;
- if(transCommit(trans)!= 0) {
- goto transstart;
- }
- }
- pthread_exit(NULL);
-}
-
-void startDSMthread(int oid, int objType) {
- pthread_t thread;
- int retval;
- pthread_attr_t nattr;
-
- pthread_mutex_lock(&gclistlock);
- threadcount++;
- pthread_mutex_unlock(&gclistlock);
- pthread_attr_init(&nattr);
- pthread_attr_setdetachstate(&nattr, PTHREAD_CREATE_DETACHED);
- int * ptr=malloc(sizeof(int)*2);
- ptr[0]=oid;
- ptr[1]=objType;
- pthread_key_create(&oidval, globalDestructor);
- do {
- retval=pthread_create(&thread, &nattr, (void * (*)(void *)) &initDSMthread, ptr);
- if (retval!=0)
- usleep(1);
- } while(retval!=0);
-
- pthread_attr_destroy(&nattr);
-}
-
-#endif
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