11 #include <DSTM/interface/dstm.h>
12 #include <DSTM/interface/llookup.h>
23 pthread_mutex_t gclock;
24 pthread_mutex_t gclistlock;
25 pthread_cond_t gccond;
26 pthread_mutex_t objlock;
27 pthread_cond_t objcond;
29 pthread_mutex_t joinlock;
30 pthread_cond_t joincond;
31 pthread_key_t threadlocks;
32 pthread_mutex_t threadnotifylock;
33 pthread_cond_t threadnotifycond;
39 unsigned int oidvalue;
44 struct ___Object___ *ll=pthread_getspecific(threadlocks);
46 struct ___Object___ *llnext=ll->___nextlockobject___;
47 ll->___nextlockobject___=NULL;
48 ll->___prevlockobject___=NULL;
50 ll->tid=0; //unlock it
53 pthread_mutex_lock(&objlock); //wake everyone up
54 pthread_cond_broadcast(&objcond);
55 pthread_mutex_unlock(&objlock);
57 pthread_mutex_lock(&gclistlock);
59 pthread_cond_signal(&gccond);
60 pthread_mutex_unlock(&gclistlock);
62 /* Add transaction to check if thread finished for join operation */
63 value = pthread_getspecific(oidval);
64 oidvalue = *((unsigned int *)value);
69 ptr = transRead(oidvalue);
70 struct ___Thread___ *p = (struct ___Thread___ *) ptr;
71 p->___threadDone___ = 1;
72 *((unsigned int *)&((struct ___Object___ *) p)->___localcopy___) |=DIRTY;
73 if(transCommit() != 0) {
81 void threadhandler(int sig, siginfo_t *info, void *uap) {
83 printf("sig=%d\n",sig);
89 void initializethreads() {
92 pthread_mutex_init(&gclock, NULL);
93 pthread_mutex_init(&gclistlock, NULL);
94 pthread_cond_init(&gccond, NULL);
95 pthread_mutex_init(&objlock,NULL);
96 pthread_cond_init(&objcond,NULL);
97 pthread_mutex_init(&joinlock,NULL);
98 pthread_cond_init(&joincond,NULL);
99 pthread_key_create(&threadlocks, NULL);
101 initializeexithandler();
103 sig.sa_sigaction=&threadhandler;
104 sig.sa_flags=SA_SIGINFO;
105 sigemptyset(&sig.sa_mask);
107 /* Catch bus errors, segmentation faults, and floating point exceptions*/
108 sigaction(SIGBUS,&sig,0);
109 sigaction(SIGSEGV,&sig,0);
110 sigaction(SIGFPE,&sig,0);
111 signal(SIGPIPE, SIG_IGN);
113 newobjs=calloc(1, sizeof(struct objlist));
114 t_cache = objstrCreate(1048576);
116 t_chashCreate(CHASH_SIZE, CLOADFACTOR);
118 trec=calloc(1, sizeof(threadrec_t));
120 lockedobjs=calloc(1, sizeof(struct objlist));
125 #if defined(THREADS)||defined(STM)
126 void initthread(struct ___Thread___ * ___this___) {
128 INTPTR p[]={1, (INTPTR) NULL, (INTPTR) ___this___};
130 ___Thread______staticStart____L___Thread___((struct ___Thread______staticStart____L___Thread____params *)p);
132 newobjs=calloc(1, sizeof(struct objlist));
134 trec=calloc(1, sizeof(threadrec_t));
136 lockedobjs=calloc(1, sizeof(struct objlist));
138 t_cache = objstrCreate(1048576);
140 t_chashCreate(CHASH_SIZE, CLOADFACTOR);
141 ___Thread____NNR____staticStart____L___Thread___((struct ___Thread____NNR____staticStart____L___Thread____params *)p);
142 objstrDelete(t_cache);
143 objstrDelete(t_reserve);
150 ___this___=(struct ___Thread___ *) p[2];
152 ___Thread______staticStart____L___Thread___(___this___);
154 ___this___->___finished___=1;
155 pthread_mutex_lock(&joinlock);
156 pthread_cond_signal(&joincond);
157 pthread_mutex_unlock(&joinlock);
159 pthread_mutex_lock(&gclistlock);
161 pthread_cond_signal(&gccond);
162 pthread_mutex_unlock(&gclistlock);
166 void CALL11(___Thread______sleep____J, long long ___millis___, long long ___millis___) {
167 #if defined(THREADS)||defined(STM)
169 struct listitem *tmp=stopforgc((struct garbagelist *)___params___);
172 usleep(___millis___);
173 #if defined(THREADS)||defined(STM)
180 #if defined(DSTM)|| defined(THREADS)||defined(STM)
181 void CALL00(___Thread______yield____) {
187 /* Add thread join capability */
188 void CALL01(___Thread______join____, struct ___Thread___ * ___this___) {
189 unsigned int *oidarray;
190 unsigned short *versionarray, version;
192 /* Add transaction to check if thread finished for join operation */
195 ptr = transRead((unsigned int) VAR(___this___));
196 struct ___Thread___ *p = (struct ___Thread___ *) ptr;
197 #ifdef THREADJOINDEBUG
198 printf("Start join process for Oid = %x\n", (unsigned int) VAR(___this___));
200 if(p->___threadDone___ == 1) {
201 #ifdef THREADJOINDEBUG
202 printf("Thread oid = %x is done\n", (unsigned int) VAR(___this___));
208 version = (ptr-1)->version;
209 if((oidarray = calloc(1, sizeof(unsigned int))) == NULL) {
210 printf("Calloc error %s, %d\n", __FILE__, __LINE__);
214 oidarray[0] = (unsigned int) VAR(___this___);
216 if((versionarray = calloc(1, sizeof(unsigned short))) == NULL) {
217 printf("Calloc error %s, %d\n", __FILE__, __LINE__);
221 versionarray[0] = version;
222 /* Request Notification */
224 struct listitem *tmp=stopforgc((struct garbagelist *)___params___);
226 reqNotify(oidarray, versionarray, 1);
239 #if defined(THREADS)||defined(STM)
240 void CALL01(___Thread______nativeJoin____, struct ___Thread___ * ___this___) {
242 struct listitem *tmp=stopforgc((struct garbagelist *)___params___);
244 pthread_mutex_lock(&joinlock);
245 while(!VAR(___this___)->___finished___)
246 pthread_cond_wait(&joincond, &joinlock);
247 pthread_mutex_unlock(&joinlock);
254 void CALL01(___Thread______nativeCreate____, struct ___Thread___ * ___this___) {
257 pthread_attr_t nattr;
259 pthread_mutex_lock(&gclistlock);
261 pthread_mutex_unlock(&gclistlock);
262 pthread_attr_init(&nattr);
263 pthread_attr_setdetachstate(&nattr, PTHREAD_CREATE_DETACHED);
266 retval=pthread_create(&thread, &nattr, (void * (*)(void *)) &initthread, VAR(___this___));
270 /* This next statement will likely not work on many machines */
272 pthread_attr_destroy(&nattr);
277 void CALL12(___Thread______start____I, int ___mid___, struct ___Thread___ * ___this___, int ___mid___) {
278 startRemoteThread((unsigned int)VAR(___this___), ___mid___);
283 void globalDestructor(void *value) {
285 pthread_setspecific(oidval, NULL);
288 void initDSMthread(int *ptr) {
295 int p[]={1, 0 /* NULL */, oid};
296 ((void(*) (void *))virtualtable[type*MAXCOUNT+RUNMETHOD])(p);
298 ((void(*) (void *))virtualtable[type*MAXCOUNT+RUNMETHOD])(oid);
300 threadData = calloc(1, sizeof(unsigned int));
301 *((unsigned int *) threadData) = oid;
302 pthread_setspecific(oidval, threadData);
303 pthread_mutex_lock(&gclistlock);
305 pthread_cond_signal(&gccond);
306 pthread_mutex_unlock(&gclistlock);
307 /* Add transaction to check if thread finished for join operation */
312 tmp = transRead((unsigned int) oid);
313 ((struct ___Thread___ *)tmp)->___threadDone___ = 1;
314 *((unsigned int *)&((struct ___Object___ *) tmp)->___localcopy___) |=DIRTY;
315 if(transCommit()!= 0) {
322 void startDSMthread(int oid, int objType) {
325 pthread_attr_t nattr;
327 pthread_mutex_lock(&gclistlock);
329 pthread_mutex_unlock(&gclistlock);
330 pthread_attr_init(&nattr);
331 pthread_attr_setdetachstate(&nattr, PTHREAD_CREATE_DETACHED);
332 int * ptr=malloc(sizeof(int)*2);
335 pthread_key_create(&oidval, globalDestructor);
337 retval=pthread_create(&thread, &nattr, (void * (*)(void *)) &initDSMthread, ptr);
342 pthread_attr_destroy(&nattr);