int main(int argc, char **argv) {
int i = 0;
int jobs = 0;
pthread_t* thread = NULL;
if(argc != 3) {
fprintf(stderr, "Invalid usage.\nUsage: ./parmake -j# <make_file>\n");
return -1;
}
argv[1] += 2; /* Advance to integer */
threads = atoi(argv[1]);
if(threads < 1) {
fprintf(stderr, "Number of threads must be greater than 1.\n");
return -1;
}
pthread_mutex_init(&accessQueue, NULL);
pthread_mutex_init(&accessProced, NULL);
pthread_mutex_init(&killing, NULL);
pthread_mutex_init(&waking, NULL);
pthread_cond_init(&wakeupMain, NULL);
pthread_cond_init(&killThreads, NULL);
queue_init(&g_q);
queue_init(&g_p);
parser_parse_makefile(argv[2], parsed_command, parsed_new_key, parsed_dependency);
//debug_view(); /* Temporary method to see how stuff is stored */
jobs = queue_size(&g_q);
thread = (pthread_t*)malloc(threads*sizeof(pthread_t));
for(i = 0 ; i < threads; ++i)
pthread_create(&thread[i], 0, processWork, (void*)&jobs);
/* Wait for everything to signal back */
pthread_mutex_lock(&waking);
while(sleeping != threads)
pthread_cond_wait(&wakeupMain, &waking);
pthread_mutex_unlock(&waking);
pthread_mutex_lock(&killing);
pthread_cond_broadcast(&killThreads);
pthread_mutex_unlock(&killing);
for(i = 0; i < threads; ++i)
pthread_join(thread[i], (void*)0);
/* All cleanup */
free(thread);
cleanup_this();
pthread_mutex_destroy(&accessQueue);
pthread_mutex_destroy(&accessProced);
pthread_mutex_destroy(&killing);
pthread_mutex_destroy(&waking);
pthread_cond_destroy(&wakeupMain);
pthread_cond_destroy(&killThreads);
queue_destroy(&g_q);
queue_destroy(&g_p);
return 0;
}
/**
* Entry point to parmake.
*/
int main(int argc, char **argv)
{
pthread_cond_init(&cond, NULL);
pthread_mutex_init(&mutex, NULL);
queue_init(&allRules);
queue_init(&rulesQueue);
int arg;
int numThreads= 1; //1 by default
char * makeFile= NULL;
char * make;
char ** targets= malloc(sizeof(char *));
targets[0]= '\0';
while((arg=getopt(argc, argv, "j:f:"))!= -1){
if(arg == 'j'){
numThreads= atoi(optarg);
}
else if(arg == 'f')
makeFile= optarg;
}
int size= argc - optind;
if(optind < argc){
targets= realloc(targets, sizeof(char *) * (size + 1));
int i= 0;
for( ; i < size; i++){
targets[i]= malloc(sizeof(char) * strlen(argv[optind]+1));
strcpy(targets[i], argv[optind]);
optind++;
}
targets[i]= '\0';
}
if(!makeFile){
if(access("./makefile", F_OK) == 0){
make= "makefile\0";
makeFile= make;
}
else if(access("./Makefile", F_OK) == 0){
make= "Makefile\0";
makeFile= make;
}
else return -1;
}
parser_parse_makefile(makeFile, targets, &new_target, &new_dependency, &new_command);
/*
int b= 0;
for( ; b < queue_size(&rulesQueue); b++){
rule_struct * temp= queue_at(&rulesQueue, b);
printf("%s ", temp->rule->target);
}*/
pthread_t * threadsArray= malloc(sizeof(pthread_t) * numThreads);
int i= 0;
for( ; i < numThreads; i++)
pthread_create(&threadsArray[i], NULL, start_routine, NULL);
for(i= 0; i < numThreads; i++)
pthread_join(threadsArray[i], NULL);
pthread_mutex_destroy(&mutex);
//Everything after this is for freeing
free(threadsArray);
rule_struct * currRule;
char * currDep;
char * currTar;
int j, k;
for(i= 0; i < queue_size(&allRules); i++){
currRule= queue_at(&allRules, i);
for(j=0; j < queue_size(currRule->rule->deps); j++){
currDep= queue_at(currRule->rule->deps, j);
free(currDep);
//printf("freeing dep\n");
}
for(k=0; k < queue_size(currRule->rule->commands); k++){
currTar= queue_at(currRule->rule->commands, k);
free(currTar);
//printf("freeing tar\n");
}
queue_destroy(currRule->rule->deps);
queue_destroy(currRule->rule->commands);
free(currRule->rule->deps);
free(currRule->rule->commands);
free(currRule->rule->target);
free(currRule->rule);
free(currRule);
}
queue_destroy(&allRules);
if(size != 0){
for(i=0; i < (size+1); i++)
free(targets[i]);
}
free(targets);
return 0;
}
/**
* Entry point to parmake.
*/
int main(int argc, char **argv)
{
int opt;
int count = 0;
char *fname = NULL;
int nthreads = 1;
char **targets = NULL;
while ((opt = getopt(argc, argv, "f:j:")) != -1)
{
switch (opt)
{
case 'f':
count++;
fname = optarg;
break;
case 'j':
count++;
nthreads = atoi(optarg);
break;
}
}
if (fname == NULL)
{
//check if ./makefile exists
if (access("./makefile", R_OK) == 0)
{
fname = "./makefile";
}
else
{
//check if ./Makefile exists
if (access("./Makefile", R_OK) == 0)
{
fname = "./Makefile";
}
else
{
return -1;
}
}
}
else
{
//check if file exists
if (access(fname, R_OK) == -1)
{
return -1;
}
}
int tlength = argc - 2 * count;
if (tlength > 1)
{
int temp = 1 + 2 * count;
int i;
targets = malloc(tlength * sizeof(char*));
for (i = 0; i < tlength-1; i++)
{
targets[i] = argv[temp + i];
}
targets[i] = NULL;
}
//part 2 paser makefile
all_rules = malloc(sizeof(queue_t));
all_targets = malloc(sizeof(queue_t));
queue_init(all_rules);
queue_init(all_targets);
parser_parse_makefile(fname, targets, parsed_new_targer, parsed_new_dependency, parsed_new_command);
//part 3 run rules
queue_t *ready_r = malloc(sizeof(queue_t));
queue_t *complete_t = malloc(sizeof(queue_t));
queue_init(ready_r);
queue_init(complete_t);
process_queues(all_rules, ready_r, complete_t);
while (queue_size(ready_r) == 0)
{
process_queues(all_rules, ready_r, complete_t);
}
//part 4 parallel
pthread_mutex_t m;
pthread_mutex_init(&m, NULL);
sem_t ready_sem;
sem_init(&ready_sem, 0, queue_size(ready_r));
arg_t *run_args = malloc(sizeof(arg_t));
run_args->m = &m;
run_args->ready_sem = &ready_sem;
run_args->rest_r = all_rules;
run_args->ready_r = ready_r;
run_args->complete_t = complete_t;
pthread_t threads[nthreads];
int i;
for (i = 0; i < nthreads; i++)
{
pthread_create(&threads[i], NULL, run_thread, (void *)run_args);
}
for (i = 0; i < nthreads; i++)
{
pthread_join(threads[i], NULL);
}
//free memory
while(queue_size(complete_t))
{
char *target = queue_dequeue(complete_t);
free(target);
}
queue_destroy(all_rules);
queue_destroy(all_targets);
queue_destroy(ready_r);
queue_destroy(complete_t);
free(targets);
free(all_rules);
free(all_targets);
free(ready_r);
free(complete_t);
free(run_args);
return 0;
}
/**
* Entry point to parmake.
*/
int main(int argc, char **argv)
{
int threads=1; //working threads, additional to main thread
char *fname=0; //makefile name
char temp=0; //used for whatever
char **targets=NULL; //targets array
int targetsGiven=0; //targets count
queue_init(rules); //queue initialized
queue_init(nextRule); //queue initialized
queue_init(rulesDup); //queue initialized
pthread_t *tid=NULL; //array of thread IDs
int i; //loop iterator variable
result_t *dummy=NULL; //dummy variable, just in case
sem_init(&ruleAvailable, 0, 0); //semaphore initialized
lock=PTHREAD_MUTEX_INITIALIZER; //mutex initialized
/*threadAvailable*/ //semaphore initialized (later)
//part1
while ((temp = getopt(argc, argv, "f:j:")) != -1)
{
if(temp=='f')
{
fname=optarg;
}
else if(temp=='j')
{
if(optarg!=0)
threads=atoi(optarg);
}
else //Use of option other than f and j
{
return -1; //unspecified, so I just did same thing as no make file
} //I hate having multiple returns, but its faster for now
}
if(fname==0)
{
if(access("./makefile", F_OK)==0)
fname="./makefile";
else if(access("./Makefile", F_OK)==0)
fname="./Makefile";
else
return -1; //I hate having multiple returns, but its faster for now
}
targetsGiven=argc-optind;
if(targetsGiven)
{
targets=malloc((targetsGiven+1)*sizeof(char*));
for(i=0; i<targetsGiven; i++)
{
targets[i]=argv[optind+i];
}
targets[targetsGiven]=NULL;
}
//part 2
parser_parse_makefile(fname, targets, parsed_new_target,
parsed_new_dependency,
parsed_new_command);
//part 3 and 4
tid=malloc(threads*sizeof(pthread_t));
sem_init(&threadAvailable, 0, threads);
for(i=0; i<threads; i++)
pthread_create(&tid[i], NULL, runRule, NULL);
while(queue_size(rules))
{
i=-1;
int found=0;
rule_t *temp=NULL;
while(i<numRules && !found)//numRules is a formality, should always be found
{
i++;
temp=queue_at(q, i);
found=1;
if(queue_size(temp->deps)!=0)
{
int j;
int k;
for(j=0; j<queue_size(rulesDup); j++)
{
for(k=0; k<queue_size(temp->deps); k++)
{
if(strcmp(queue_at(temp->deps, k), queue_at(rulesDup, j)->target)==0)
{
found=0;
}
}
}
}
}
sem_wait(&threadAvailable);
pthread_mutex_lock(&lock);
//CRITICAL SECTION
queue_remove_at(rules, i);
queue_enqueue(nextRule, temp);
//END CRITICAL SECTION
pthread_mutex_unlock(&lock);
sem_post(&ruleAvailable);
}
//set up kickers for threads stuck in wait. Won't always be needed
for(i=0; i<threads; i++)
{
pthread_mutex_lock(&lock);
//CRITICAL SECTION
queue_enqueue(nextRule, NULL);
//END CRITICAL SECTION
pthread_mutex_unlock(&lock);
sem_post(&ruleAvailable);//waking up waiting threads to kick them
}
//wait for threads to finish
for(i=0; i<threads; i++)
{
pthread_join(tid[i], (void**)&dummy);
}
while(queue_size(rulesDup))
{
rule_t *temp=queue_dequeue(rulesDup);
rule_destroy(temp);
free(temp);
}
queue_destroy(rules);
queue_destroy(nextRule);
sem_destroy(&threadAvailable);
sem_destroy(&ruleAvailable);
pthread_mutex_destroy(&lock);
if(targetsGiven)
{
free(targets);
}
free(tid);
return 0;
}
int main(int argc, char **argv)
{
remain_size =0;
/** PART 1 STARTS **/
int opt;
char *makefile= NULL;
int num_threads=1;
while ((opt = getopt(argc, argv, "f:j:")) != -1) {
switch(opt){
case 'f' : makefile = optarg;
break;
case 'j' : num_threads = atoi( optarg );
break;
default : return 0;
}
}
int i ;
int ind;
int num = 0;
char ** targets = malloc( (argc - optind +1 ) * sizeof( char* ) ); //not argc - optind + 1
if ( optind <= argc ){
for( i = 0,ind = optind ; i< argc -optind; i++ , ind++ ){
targets[i] = malloc( 100 ) ;
strcpy ( targets[i] , argv[ind] );
num++;
}
targets[num] = NULL;
}
char * buffer = NULL;
if( makefile == NULL ){
if (access("./makefile",F_OK) == 0 ){
strcpy(buffer, "./makefile");
makefile = buffer;
}
else if ( access("./Makefile",F_OK) == 0) {
strcpy(buffer, "./Makefile");
makefile = buffer;
}
else return -1;
}
else{
if(access(makefile,F_OK) == -1)
return -1;
}
/** PART 1 ENDS **/
/** PART 2 STARTS **/
queue_init(&q);
parser_parse_makefile( makefile , targets , parsed_new_target, parsed_new_dependency, parsed_new_command );
/** PART 2 ENDS **/
/** PART 3 STARTS **/
/* int m,n;
rule_t * hold3;
char * hold4,hold5;
printf("printing the queue of rules\n");
for(m=0;m<queue_size(&q);m++){
hold3 = queue_at (&q,m);
printf("target %s : deps ",hold3->target);
for(n=0;n<queue_size(hold3->deps);n++){
hold4 = queue_at(hold3->deps,n);
printf ("%s ",hold4);
}
printf("commands ");
for(n=0;n<queue_size(hold3->commands);n++){
hold4 = queue_at(hold3->commands,n);
printf ("%s ",hold4);
}
printf("\n");
}
exit(1);*/
queue_init(&has_ran);
queue_init(&depend);
add_deps();
int no_dep=0;
for(i=0;i<queue_size(&q);i++)
if(has_deps((rule_t*)queue_at(&q,i))==0)
no_dep++;
//printf("NUMBER of rules with no deps, initialy %d\n",no_dep);
/** PARALELLIZATION **/
pthread_t* threads = malloc(sizeof(pthread_t)*num_threads);
sem_init(&sem_mutex1, 0, no_dep);
for(i=0;i<num_threads;i++)
{
pthread_create(&threads[i],NULL,start_run,NULL);
}
for(i=0;i<num_threads;i++)
{
pthread_join(threads[i],NULL);
}
sem_destroy(&sem_mutex1);
/** FREEING STUFF **/
free(threads);
// start_run(NULL);
rule_t * rule_hold = NULL;
int k;
char * hold2 = NULL;
for(i=0;i<queue_size(&q);i++){
rule_hold = queue_at(&q,i);
for(k=0;k<queue_size(rule_hold->deps);k++)
{
hold2 = queue_at(rule_hold->deps,k);
if(in_depend(hold2)==0)
free(hold2);
}
for(k=0;k<queue_size(rule_hold->commands);k++)
{
hold2 = queue_at(rule_hold->commands,k);
free(hold2);
}
free(rule_hold->target);
rule_destroy(rule_hold);
free(rule_hold) ;
}
queue_destroy(&q);
for(i=0;i<queue_size(&depend);i++)
{
hold2 = queue_at(&depend,i);
free(hold2);
}
queue_destroy(&depend);
queue_destroy(&has_ran);
for( i = 0; i< argc - optind; i++ ){
free(targets[i]);
}
free(targets);
return 0;
}