+++ /dev/null
-#include "runtime.h"
-#include "structdefs.h"
-#include <string.h>
-#include <signal.h>
-#include "mem.h"
-#include<fcntl.h>
-#include<sys/types.h>
-#include<sys/mman.h>
-#include<errno.h>
-#include<signal.h>
-#include<stdio.h>
-
-extern int classsize[];
-jmp_buf error_handler;
-
-#ifdef TASK
-#include "checkpoint.h"
-#include "Queue.h"
-#include "SimpleHash.h"
-#include "GenericHashtable.h"
-#include <sys/select.h>
-#include <sys/socket.h>
-#include <fcntl.h>
-#include <arpa/inet.h>
-
-#ifdef CONSCHECK
-#include "instrument.h"
-#endif
-
-struct Queue * activetasks;
-struct parameterwrapper * objectqueues[NUMCLASSES];
-struct genhashtable * failedtasks;
-
-int main(int argc, char **argv) {
- GC_init();
-#ifdef CONSCHECK
- initializemmap();
-#endif
- {
- int i;
- /* Allocate startup object */
- struct ___StartupObject___ *startupobject=(struct ___StartupObject___*) allocate_new(STARTUPTYPE);
- struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);
- failedtasks=genallocatehashtable((unsigned int (*)(void *)) &hashCodetpd,
- (int (*)(void *,void *)) &comparetpd);
-
- activetasks=createQueue();
-
- /* Set flags */
- processtasks();
- flagorand(startupobject,1,0xFFFFFFFF);
-
- /* Build array of strings */
-
- startupobject->___parameters___=stringarray;
-
- for(i=1;i<argc;i++) {
- int length=strlen(argv[i]);
- struct ___String___ *newstring=NewString(argv[i],length);
- ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;
- }
- executetasks();
- }
-}
-
-int hashCodetpd(struct taskparamdescriptor *ftd) {
- int hash=(int)ftd->task;
- int i;
- for(i=0;i<ftd->numParameters;i++) {
- hash^=(int)ftd->parameterArray[i];
- }
- return hash;
-}
-
-int comparetpd(struct taskparamdescriptor *ftd1, struct taskparamdescriptor *ftd2) {
- int i;
- if (ftd1->task!=ftd2->task)
- return 0;
- for(i=0;i<ftd1->numParameters;i++)
- if (ftd1->parameterArray[i]!=ftd2->parameterArray[i])
- return 0;
- return 1;
-}
-
-void flagorand(void * ptr, int ormask, int andmask) {
- int flag=((int *)ptr)[1];
- struct RuntimeHash *flagptr=(struct RuntimeHash *)(((int*)ptr)[2]);
- flag|=ormask;
- flag&=andmask;
- ((int*)ptr)[1]=flag;
- /*Remove from all queues */
- while(flagptr!=NULL) {
- struct RuntimeHash *next;
- RuntimeHashget(flagptr, (int) ptr, (int *) &next);
- RuntimeHashremove(flagptr, (int)ptr, (int) next);
- flagptr=next;
- }
-
- {
- struct QueueItem *tmpptr;
- struct parameterwrapper * parameter=objectqueues[((int *)ptr)[0]];
- int i;
- struct RuntimeHash * prevptr=NULL;
- while(parameter!=NULL) {
- for(i=0;i<parameter->numberofterms;i++) {
- int andmask=parameter->intarray[i*2];
- int checkmask=parameter->intarray[i*2+1];
- if ((flag&andmask)==checkmask) {
- RuntimeHashadd(parameter->objectset, (int) ptr, (int) prevptr);
- prevptr=parameter->objectset;
- {
- struct RuntimeIterator iteratorarray[MAXTASKPARAMS];
- void * taskpointerarray[MAXTASKPARAMS];
- int j;
- int numparams=parameter->task->numParameters;
- int done=1;
- struct taskdescriptor * task=parameter->task;
- int newindex=-1;
- for(j=0;j<numparams;j++) {
- struct parameterwrapper *pw=(struct parameterwrapper *)task->descriptorarray[j]->queue;
- if (parameter==pw) {
- taskpointerarray[j]=ptr;
- newindex=j;
- } else {
- RuntimeHashiterator(pw->objectset, &iteratorarray[j]);
- if (RunhasNext(&iteratorarray[j]))
- taskpointerarray[j]=(void *) Runnext(&iteratorarray[j]);
- else
- break; /* No tasks to dispatch */
- }
- }
- /* Queue task items... */
-
- while(done) {
- struct taskparamdescriptor *tpd=RUNMALLOC(sizeof(struct taskparamdescriptor));
- tpd->task=task;
- tpd->numParameters=numparams;
- tpd->parameterArray=RUNMALLOC(sizeof(void *)*numparams);
- for(j=0;j<numparams;j++)
- tpd->parameterArray[j]=taskpointerarray[j];
- /* Queue task */
- if (!gencontains(failedtasks, tpd))
- addNewItem(activetasks, tpd);
-
- /* This loop iterates to the next paramter combination */
- for(j=0;j<numparams;j++) {
- if (j==newindex) {
- if ((j+1)==numparams)
- done=0;
- continue;
- }
- if (RunhasNext(&iteratorarray[j])) {
- taskpointerarray[j]=(void *) Runnext(&iteratorarray[j]);
- break;
- } else if ((j+1)!=numparams) {
- RuntimeHashiterator(task->descriptorarray[j]->queue, &iteratorarray[j]);
- } else {
- done=0;
- break;
- }
- }
- }
- }
- break;
- }
- }
- parameter=parameter->next;
- }
- ((struct RuntimeHash **)ptr)[2]=prevptr;
- }
-}
-
-/* Handler for signals */
-void myhandler(int sig, struct __siginfo *info, void *uap) {
-#ifdef DEBUG
- printf("sig=%d\n",sig);
- printf("signal\n");
-#endif
- longjmp(error_handler,1);
-}
-
-
-fd_set readfds;
-int maxreadfd;
-struct RuntimeHash *fdtoobject;
-
-void addreadfd(int fd) {
- if (fd>=maxreadfd)
- maxreadfd=fd+1;
- FD_SET(fd, &readfds);
-}
-
-void removereadfd(int fd) {
- FD_CLR(fd, &readfds);
- if (maxreadfd==(fd+1)) {
- maxreadfd--;
- while(maxreadfd>0&&!FD_ISSET(maxreadfd-1, &readfds))
- maxreadfd--;
- }
-}
-
-void executetasks() {
- void * taskpointerarray[MAXTASKPARAMS];
-
- /* Set up signal handlers */
- struct sigaction sig;
- sig.sa_sigaction=&myhandler;
- 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);
-
- /* Zero fd set */
- FD_ZERO(&readfds);
- maxreadfd=0;
- fdtoobject=allocateRuntimeHash(100);
-
- /* Map first block of memory to protected, anonymous page */
- mmap(0, 0x1000, 0, MAP_SHARED|MAP_FIXED|MAP_ANON, -1, 0);
-
- newtask:
- while(!isEmpty(activetasks)||(maxreadfd>0)) {
-
- if (maxreadfd>0) {
- int i;
- struct timeval timeout={0,0};
- fd_set tmpreadfds;
- int numselect;
- FD_COPY(&readfds, &tmpreadfds);
- numselect=select(maxreadfd, &tmpreadfds, NULL, NULL, &timeout);
- if (numselect>0) {
- /* Process ready fd's */
- int fd;
- for(fd=0;fd<maxreadfd;fd++) {
- if (FD_ISSET(fd, &tmpreadfds)) {
- /* Set ready flag on object */
- void * objptr;
- if (RuntimeHashget(fdtoobject, fd,(int *) &objptr)) {
- flagorand(objptr,1,0xFFFFFFFF); /* Set the first flag to 1 */
- }
- }
- }
- }
- }
-
- if (!isEmpty(activetasks)) {
- int i;
- struct QueueItem * qi=(struct QueueItem *) getTail(activetasks);
- struct taskparamdescriptor *tpd=(struct taskparamdescriptor *) qi->objectptr;
- removeItem(activetasks, qi);
-
- for(i=0;i<tpd->task->numParameters;i++) {
- void * parameter=tpd->parameterArray[i];
- struct parameterdescriptor * pd=tpd->task->descriptorarray[i];
- struct parameterwrapper *pw=(struct parameterwrapper *) pd->queue;
- if (!RuntimeHashcontainskey(pw->objectset, (int) parameter))
- goto newtask;
- taskpointerarray[i]=parameter;
- }
- {
- struct RuntimeHash * forward=allocateRuntimeHash(100);
- struct RuntimeHash * reverse=allocateRuntimeHash(100);
- void ** checkpoint=makecheckpoint(tpd->task->numParameters, taskpointerarray, forward, reverse);
- if (setjmp(error_handler)) {
- /* Recover */
- int h;
-#ifdef DEBUG
- printf("Recovering\n");
-#endif
- genputtable(failedtasks,tpd,tpd);
- restorecheckpoint(tpd->task->numParameters, taskpointerarray, checkpoint, forward, reverse);
- } else {
- /* Actually call task */
- ((void (*) (void **)) tpd->task->taskptr)(taskpointerarray);
- }
- }
- }
- }
-}
-
-void processtasks() {
- int i;
- for(i=0;i<numtasks;i++) {
- struct taskdescriptor * task=taskarray[i];
- int j;
-
- for(j=0;j<task->numParameters;j++) {
- struct parameterdescriptor *param=task->descriptorarray[j];
- struct parameterwrapper * parameter=RUNMALLOC(sizeof(struct parameterwrapper));
- struct parameterwrapper ** ptr=&objectqueues[param->type];
-
- param->queue=parameter;
- parameter->objectset=allocateRuntimeHash(10);
- parameter->numberofterms=param->numberterms;
- parameter->intarray=param->intarray;
- parameter->task=task;
- /* Link new queue in */
- while((*ptr)!=NULL)
- ptr=&((*ptr)->next);
- (*ptr)=parameter;
- }
- }
-}
-
-
-
-int ___ServerSocket______createSocket____I(struct ___ServerSocket___ * sock, int port) {
- int fd;
-
- int n=1;
- struct sockaddr_in sin;
-
- bzero (&sin, sizeof (sin));
- sin.sin_family = AF_INET;
- sin.sin_port = htons (port);
- sin.sin_addr.s_addr = htonl (INADDR_ANY);
- fd=socket(AF_INET, SOCK_STREAM, 0);
- if (fd<0) {
-#ifdef DEBUG
- perror(NULL);
- printf("createSocket error #1\n");
-#endif
- longjmp(error_handler,5);
- }
-
- if (setsockopt (fd, SOL_SOCKET, SO_REUSEADDR, (char *)&n, sizeof (n)) < 0) {
- close(fd);
-#ifdef DEBUG
- perror(NULL);
- printf("createSocket error #2\n");
-#endif
- longjmp(error_handler, 6);
- }
- fcntl(fd, F_SETFD, 1);
- fcntl(fd, F_SETFL, fcntl(fd, F_GETFL)|O_NONBLOCK);
-
- /* bind to port */
- if (bind(fd, (struct sockaddr *) &sin, sizeof(sin))<0) {
- close (fd);
-#ifdef DEBUG
- perror(NULL);
- printf("createSocket error #3\n");
-#endif
- longjmp(error_handler, 7);
- }
-
- /* listen */
- if (listen(fd, 5)<0) {
- close (fd);
-#ifdef DEBUG
- perror(NULL);
- printf("createSocket error #4\n");
-#endif
- longjmp(error_handler, 8);
- }
-
- /* Store the fd/socket object mapping */
- RuntimeHashadd(fdtoobject, fd, (int) sock);
- addreadfd(fd);
- return fd;
-}
-
-int ___ServerSocket______nativeaccept____L___Socket___(struct ___ServerSocket___ * serversock, struct ___Socket___ * sock) {
- struct sockaddr_in sin;
- unsigned int sinlen=sizeof(sin);
- int fd=serversock->___fd___;
- int newfd;
- newfd=accept(fd, (struct sockaddr *)&sin, &sinlen);
-
-
- if (newfd<0) {
-#ifdef DEBUG
- perror(NULL);
- printf("acceptSocket error #1\n");
-#endif
- longjmp(error_handler, 9);
- }
- fcntl(newfd, F_SETFL, fcntl(fd, F_GETFL)|O_NONBLOCK);
-
- RuntimeHashadd(fdtoobject, newfd, (int) sock);
- addreadfd(newfd);
- flagorand(serversock,0,0xFFFFFFFE);
- return newfd;
-}
-
-
-void ___Socket______nativeWrite_____AR_B(struct ___Socket___ * sock, struct ArrayObject * ao) {
- int fd=sock->___fd___;
- int length=ao->___length___;
- char * charstr=((char *)& ao->___length___)+sizeof(int);
- int bytewritten=write(fd, charstr, length);
- if (bytewritten!=length) {
- printf("ERROR IN NATIVEWRITE\n");
- }
- flagorand(sock,0,0xFFFFFFFE);
-}
-
-int ___Socket______nativeRead_____AR_B(struct ___Socket___ * sock, struct ArrayObject * ao) {
- int fd=sock->___fd___;
- int length=ao->___length___;
- char * charstr=((char *)& ao->___length___)+sizeof(int);
- int byteread=read(fd, charstr, length);
-
- if (byteread<0) {
- printf("ERROR IN NATIVEREAD\n");
- }
- flagorand(sock,0,0xFFFFFFFE);
- return byteread;
-}
-
-void ___Socket______nativeClose____(struct ___Socket___ * sock) {
- int fd=sock->___fd___;
- int data;
- RuntimeHashget(fdtoobject, fd, &data);
- RuntimeHashremove(fdtoobject, fd, data);
- removereadfd(fd);
- close(fd);
- flagorand(sock,0,0xFFFFFFFE);
-}
-#endif
-
-int ___Object______hashcode____(struct ___Object___ * ___this___) {
- return (int) ___this___;
-}
-
-void ___System______printString____L___String___(struct ___String___ * s) {
- struct ArrayObject * chararray=s->___string___;
- int i;
- for(i=0;i<chararray->___length___;i++) {
- short s= ((short *)(((char *)& chararray->___length___)+sizeof(int)))[i];
- putchar(s);
- }
-}
-
-void * allocate_new(int type) {
- void * v=FREEMALLOC(classsize[type]);
- *((int *)v)=type;
- return v;
-}
-
-struct ArrayObject * allocate_newarray(int type, int length) {
- struct ArrayObject * v=FREEMALLOC(sizeof(struct ArrayObject)+length*classsize[type]);
- v->type=type;
- v->___length___=length;
- return v;
-}
-
-struct ___String___ * NewString(const char *str,int length) {
- struct ArrayObject * chararray=allocate_newarray(CHARARRAYTYPE, length);
- struct ___String___ * strobj=allocate_new(STRINGTYPE);
- int i;
- strobj->___string___=chararray;
- for(i=0;i<length;i++) {
- ((short *)(((char *)& chararray->___length___)+sizeof(int)))[i]=(short)str[i]; }
- return strobj;
-}
-
-void failedboundschk() {
-#ifndef TASK
- printf("Array out of bounds\n");
- exit(-1);
-#else
- longjmp(error_handler,2);
-#endif
-}
-
-void failednullptr() {
-#ifndef TASK
- printf("Dereferenced a null pointer\n");
- exit(-1);
-#else
- longjmp(error_handler,3);
-#endif
-}
-
-void abort_task() {
-#ifndef TASK
- printf("Aborting\n");
- exit(-1);
-#else
- longjmp(error_handler,4);
-#endif
-}
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