#include "runtime.h"
#include <sys/types.h>
+#include <sys/mman.h>
#include <unistd.h>
#include <errno.h>
#include <stdlib.h>
#include "thread.h"
+#include "option.h"
+#include <signal.h>
+#ifdef DSTM
+#ifdef RECOVERY
+#include <DSTM/interface_recovery/dstm.h>
+#include <DSTM/interface_recovery/llookup.h>
+#else
+#include <DSTM/interface/dstm.h>
+#include <DSTM/interface/llookup.h>
+#endif
+#endif
+#ifndef RAW
#include <stdio.h>
-pthread_mutex_t threadtable;
+#endif
+#ifdef STM
+#include "tm.h"
+#endif
+#include <execinfo.h>
+
+
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 atomiclock;
+
+pthread_mutex_t joinlock;
+pthread_cond_t joincond;
+pthread_key_t threadlocks;
+pthread_mutex_t threadnotifylock;
+pthread_cond_t threadnotifycond;
+pthread_key_t oidval;
+
+#if defined(THREADS) || defined(DSTM) || defined(STM)
+#ifndef MAC
+extern __thread struct listitem litem;
+#else
+pthread_key_t litemkey;
+#endif
+extern struct listitem * list;
+#endif
+
+void threadexit() {
+#ifdef DSTM
+ objheader_t* ptr;
+ unsigned int oidvalue;
+#endif
+ void *value;
+
+#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);
+#ifdef THREADS
+ pthread_setspecific(threadlocks, litem.locklist);
+#endif
+#ifndef MAC
+ if (litem.prev==NULL) {
+ list=litem.next;
+ } else {
+ litem.prev->next=litem.next;
+ }
+ if (litem.next!=NULL) {
+ litem.next->prev=litem.prev;
+ }
+#else
+ {
+ struct listitem *litem=pthread_getspecific(litemkey);
+ if (litem->prev==NULL) {
+ list=litem->next;
+ } else {
+ litem->prev->next=litem->next;
+ }
+ if (litem->next!=NULL) {
+ litem->next->prev=litem->prev;
+ }
+ }
+#endif
+ 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:
+ {
+ transStart();
+ ptr = transRead(oidvalue);
+ struct ___Thread___ *p = (struct ___Thread___ *) ptr;
+ p->___threadDone___ = 1;
+ *((unsigned int *)&((struct ___Object___ *) p)->___localcopy___) |=DIRTY;
+ if(transCommit() != 0) {
+ goto transstart;
+ }
+ }
+#endif
+ pthread_exit(NULL);
+}
+
+void threadhandler(int sig, struct sigcontext ctx) {
+ void *buffer[100];
+ char **strings;
+ int nptrs,j;
+
+ printf("We just took sig=%d\n",sig);
+ printf("signal\n");
+ printf("To get stack trace, set breakpoint in threadhandler in gdb\n");
+ nptrs = backtrace(buffer, 100);
+#ifdef BIT64
+ buffer[1]=(void *)ctx.rip;
+#else
+ buffer[1]=(void *)ctx.eip;
+#endif
+
+ strings = backtrace_symbols(buffer, nptrs);
+ if (strings == NULL) {
+ perror("backtrace_symbols");
+ exit(EXIT_FAILURE);
+ }
+
+ for (j = 0; j < nptrs; j++)
+ printf("%s\n", strings[j]);
+
+ threadexit();
+}
+
+#define downpage(x) ((void *)(((INTPTR)x)&~((INTPTR)4095)))
void initializethreads() {
- pthread_mutex_init(&threadtable,NULL);
+ struct sigaction sig;
threadcount=1;
+#ifdef THREADS
+ pthread_mutex_init(&atomiclock, NULL);
+#endif
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);
+#ifdef MAC
+ pthread_key_create(&litem, NULL);
+#endif
+ processOptions();
+ initializeexithandler();
+
+ //deprecated use of sighandler, but apparently still works
+#ifdef SANDBOX
+ sig.sa_handler=(void *)errorhandler;
+ abortenabled=0;
+#else
+ sig.sa_handler=(void *)threadhandler;
+#endif
+ sig.sa_flags=SA_RESTART;
+ 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 STM
+ newobjs=calloc(1, sizeof(struct objlist));
+ t_cache = objstrCreate(1048576);
+ t_reserve=NULL;
+ t_chashCreate(CHASH_SIZE, CLOADFACTOR);
+#ifdef READSET
+ rd_t_chashCreate(CHASH_SIZE, CLOADFACTOR);
+#endif
+#ifdef DELAYCOMP
+ dc_t_chashCreate(CHASH_SIZE, CLOADFACTOR);
+ ptrstack.count=0;
+ primstack.count=0;
+ branchstack.count=0;
+#ifdef STMARRAY
+ arraystack.count=0;
+#endif
+ int a=mprotect((downpage(&ptrstack.buffer[1024])), 4096, PROT_NONE);
+ if (a==-1)
+ perror("ptrstack");
+ a=mprotect(downpage(&primstack.array[MAXVALUES]), 4096, PROT_NONE);
+ if (a==-1)
+ perror("primstack");
+ a=mprotect(downpage(&branchstack.array[MAXBRANCHES]), 4096, PROT_NONE);
+ if (a==-1)
+ perror("branchstack");
+#ifdef STMARRAY
+ a=mprotect(downpage(&arraystack.index[MAXARRAY]), 4096, PROT_NONE);
+ if (a==-1)
+ perror("arraystack");
+#endif
+#endif
+#ifdef STMSTATS
+ trec=calloc(1, sizeof(threadrec_t));
+ trec->blocked = 0;
+ lockedobjs=calloc(1, sizeof(struct objlist));
+ objlockscope = calloc(1, sizeof(objlockstate_t));
+ pthread_mutex_init(&lockedobjstore, NULL);
+ {
+ int i;
+ for(i=0; i<TOTALNUMCLASSANDARRAY; i++) {
+ typesCausingAbort[i].numaccess = 0;
+ typesCausingAbort[i].numabort = 0;
+ typesCausingAbort[i].numtrans = 0;
+ }
+ }
+#endif
+#endif
+#ifdef MAC
+ struct listitem *litem=malloc(sizeof(struct listitem));
+ pthread_setspecific(litemkey, litem);
+ litem->prev=NULL;
+ litem->next=list;
+ if(list!=NULL)
+ list->prev=litem;
+ list=litem;
+#else
+ //Add our litem to list of threads
+ litem.prev=NULL;
+ litem.next=list;
+ if(list!=NULL)
+ list->prev=&litem;
+ list=&litem;
+#endif
}
+#if defined(THREADS)||defined(STM)
void initthread(struct ___Thread___ * ___this___) {
+#ifdef SANDBOX
+ struct sigaction sig;
+ abortenabled=0;
+ sig.sa_handler=(void *)errorhandler;
+ sig.sa_flags=SA_RESTART;
+ 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);
+#endif
#ifdef PRECISE_GC
- struct ___Thread______staticStart____L___Thread____params p={1, NULL, ___this___};
- ___Thread______staticStart____L___Thread___(&p);
+ INTPTR p[]={1, (INTPTR) NULL, (INTPTR) ___this___};
+ //Add our litem to list of threads
+#ifdef MAC
+ struct listitem litem;
+ pthread_setspecific(litemkey, &litem);
+#endif
+ litem.prev=NULL;
+ pthread_mutex_lock(&gclistlock);
+ litem.next=list;
+ if(list!=NULL)
+ list->prev=&litem;
+ list=&litem;
+ pthread_mutex_unlock(&gclistlock);
+
+#ifdef THREADS
+ ___Thread______staticStart____L___Thread___((struct ___Thread______staticStart____L___Thread____params *)p);
+#else
+ newobjs=calloc(1, sizeof(struct objlist));
+#ifdef STMSTATS
+ trec=calloc(1, sizeof(threadrec_t));
+ trec->blocked = 0;
+ lockedobjs=calloc(1, sizeof(struct objlist));
+#endif
+ t_cache = objstrCreate(1048576);
+ t_reserve=NULL;
+ t_chashCreate(CHASH_SIZE, CLOADFACTOR);
+#ifdef READSET
+ rd_t_chashCreate(CHASH_SIZE, CLOADFACTOR);
+#endif
+#ifdef DELAYCOMP
+ dc_t_chashCreate(CHASH_SIZE, CLOADFACTOR);
+ ptrstack.count=0;
+ primstack.count=0;
+ branchstack.count=0;
+#ifdef STMARRAY
+ arraystack.count=0;
+#endif
+ int a=mprotect(downpage(&ptrstack.buffer[1024]), 4096, PROT_NONE);
+ if (a==-1)
+ perror("ptrstack");
+ a=mprotect(downpage(&primstack.array[MAXVALUES]), 4096, PROT_NONE);
+ if (a==-1)
+ perror("primstack");
+ a=mprotect(downpage(&branchstack.array[MAXBRANCHES]), 4096, PROT_NONE);
+ if (a==-1)
+ perror("branchstack");
+#ifdef STMARRAY
+ a=mprotect(downpage(&arraystack.index[MAXARRAY]), 4096, PROT_NONE);
+ if (a==-1)
+ perror("arraystack");
+#endif
+#endif
+ ___Thread____NNR____staticStart____L___Thread___((struct ___Thread____NNR____staticStart____L___Thread____params *)p);
+ objstrDelete(t_cache);
+ objstrDelete(t_reserve);
+ t_chashDelete();
+ free(newobjs);
+#ifdef STMSTATS
+ free(lockedobjs);
+#endif
+#endif
+ ___this___=(struct ___Thread___ *) p[2];
#else
___Thread______staticStart____L___Thread___(___this___);
#endif
- pthread_mutex_lock(&threadtable);
+ ___this___->___finished___=1;
+ pthread_mutex_lock(&joinlock);
+ pthread_cond_signal(&joincond);
+ pthread_mutex_unlock(&joinlock);
+
+ pthread_mutex_lock(&gclistlock);
+#ifdef THREADS
+ pthread_setspecific(threadlocks, litem.locklist);
+#endif
+ if (litem.prev==NULL) {
+ list=litem.next;
+ } else {
+ litem.prev->next=litem.next;
+ }
+ if (litem.next!=NULL) {
+ litem.next->prev=litem.prev;
+ }
threadcount--;
- pthread_mutex_unlock(&threadtable);
+ pthread_cond_signal(&gccond);
+ pthread_mutex_unlock(&gclistlock);
+}
+#endif
+
+void CALL11(___Thread______sleep____J, long long ___millis___, long long ___millis___) {
+#if defined(THREADS)||defined(STM)
+#ifdef PRECISE_GC
+ stopforgc((struct garbagelist *)___params___);
+#endif
+#endif
+ usleep(___millis___);
+#if defined(THREADS)||defined(STM)
+#ifdef PRECISE_GC
+ restartaftergc();
+#endif
+#endif
+}
+
+#if defined(DSTM)|| defined(THREADS)||defined(STM)
+void CALL00(___Thread______yield____) {
+ pthread_yield();
+}
+#endif
+
+#ifdef D___Thread______abort____
+void CALL00(___Thread______abort____) {
+#ifdef SANDBOX
+ _longjmp(aborttrans,1);
+#endif
+}
+#endif
+
+#ifdef DSTM
+#ifdef RECOVERY
+// return if the machine is dead
+int CALL12(___Thread______nativeGetStatus____I, int ___mid___, struct ___Thread___ * ___this___, int ___mid___) {
+ return getStatus(___mid___);
+}
+#else
+int CALL12(___Thread______nativeGetStatus____I, int ___mid___, struct ___Thread___ * ___this___, int ___mid___) {
+ return 0;
+}
+#endif
+#endif
+#ifdef DSTM
+/* Add thread join capability */
+void CALL01(___Thread______join____, struct ___Thread___ * ___this___) {
+ unsigned int *oidarray;
+ unsigned short *versionarray, version;
+ objheader_t *ptr;
+ /* Add transaction to check if thread finished for join operation */
+transstart:
+ transStart();
+ ptr = transRead((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();
+ return;
+ }
+#ifdef RECOVERY
+ else if( checkiftheMachineDead(p->___mid___) == 0) {
+ printf("Thread oid = %x is dead\n", (unsigned int) VAR(___this___));
+ transAbort();
+ return;
+ }
+#endif
+ 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
+ stopforgc((struct garbagelist *)___params___);
+#endif
+
+#ifdef RECOVERY
+ reqNotify(oidarray, versionarray, 1,p->___mid___);
+#else
+ reqNotify(oidarray, versionarray, 1);
+#endif
+#ifdef PRECISE_GC
+ restartaftergc();
+#endif
+ free(oidarray);
+ free(versionarray);
+ transAbort();
+ goto transstart;
+ }
+ return;
+}
+#endif
+
+#if defined(THREADS)||defined(STM)
+void CALL01(___Thread______nativeJoin____, struct ___Thread___ * ___this___) {
+ pthread_mutex_lock(&joinlock);
+ while(!VAR(___this___)->___finished___) {
+#ifdef PRECISE_GC
+ stopforgc((struct garbagelist *)___params___);
+#endif
+ pthread_cond_wait(&joincond, &joinlock);
+#ifdef PRECISE_GC
+ restartaftergc();
+#endif
+ }
+ pthread_mutex_unlock(&joinlock);
}
void CALL01(___Thread______nativeCreate____, struct ___Thread___ * ___this___) {
pthread_t thread;
- pthread_mutex_lock(&threadtable);
+ int retval;
+ pthread_attr_t nattr;
+
+ pthread_mutex_lock(&gclistlock);
threadcount++;
- pthread_mutex_unlock(&threadtable);
- pthread_create(&thread, NULL,(void * (*)(void *)) &initthread, VAR(___this___));
+ pthread_mutex_unlock(&gclistlock);
+ pthread_attr_init(&nattr);
+ pthread_attr_setdetachstate(&nattr, PTHREAD_CREATE_DETACHED);
+ INTPTR stacksize;
+ pthread_attr_getstacksize(&nattr, &stacksize);
+ printf("STACKSIZE=%u\n",stacksize);
+ 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;
+ void *threadData;
+ int oid=ptr[0];
+ int type=ptr[1];
+ free(ptr);
+#ifdef PRECISE_GC
+ int p[]={1, 0 /* NULL */, oid};
+#ifdef MAC
+ struct listitem litem;
+ pthread_setspecific(litemkey, &litem);
+#endif
+
+ //Add our litem to list of threads
+ litem.prev=NULL;
+ pthread_mutex_lock(&gclistlock);
+ litem.next=list;
+ if(list!=NULL)
+ list->prev=&litem;
+ list=&litem;
+ pthread_mutex_unlock(&gclistlock);
+
+ ((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);
+
+#ifdef THREADS
+ pthread_setspecific(threadlocks, litem.locklist);
+#endif
+ if (litem.prev==NULL) {
+ list=litem.next;
+ } else {
+ litem.prev->next=litem.next;
+ }
+ if (litem.next!=NULL) {
+ litem.next->prev=litem.prev;
+ }
+ threadcount--;
+ pthread_cond_signal(&gccond);
+ pthread_mutex_unlock(&gclistlock);
+ /* Add transaction to check if thread finished for join operation */
+ goto transstart;
+transstart:
+ {
+ transStart();
+ tmp = transRead((unsigned int) oid);
+ ((struct ___Thread___ *)tmp)->___threadDone___ = 1;
+ *((unsigned int *)&((struct ___Object___ *) tmp)->___localcopy___) |=DIRTY;
+ if(transCommit()!= 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
projects / IRC.git / blobdiff