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#include <pthread.h> int fd; int flag=0; pthread_mutex_t lock; pthread_t even_thd,odd_thd; pthread_cond_t cond; void attr_func(pthread_attr_t *attr) { int ret=pthread_attr_init(attr); if(ret!=0) perror("pthread_attr_init"); ret=pthread_attr_setdetachstate(attr,PTHREAD_CREATE_JOINABLE); if(ret...
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#include <pthread.h> static int iTThreads = 2; static int iRThreads = 1; static int data1Value = 0; static int data2Value = 0; pthread_mutex_t *data1Lock; pthread_mutex_t *data2Lock; void lock(pthread_mutex_t *); void unlock(pthread_mutex_t *); void *funcA(void *param) { pthread_mutex_loc...
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#include <pthread.h> const char *stristr(const char *haystack, const char *needle) { if(!*needle) return haystack; for(; *haystack; ++haystack) { if(toupper(*haystack) == toupper(*needle)) { const char *h, *n; for (h = haystack, n = needle; *h && *n; ++h, ++n) { if(toupper(*h)...
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#include <pthread.h>extern void __VERIFIER_error() ; int element[(20)]; int head; int tail; int amount; } QType; pthread_mutex_t m; int __VERIFIER_nondet_int(); int stored_elements[(20)]; _Bool enqueue_flag, dequeue_flag; QType queue; int init(QType *q) { q->head=0; ...
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#include <pthread.h> pthread_mutex_t queue_mutex = PTHREAD_MUTEX_INITIALIZER; int head = 0; int tail = 0; int size = 0; char queue [8][1023]; void inc(int* posi) { if (*posi + 1 == 8) { *posi = 0; } else { ++*posi; } } void *send_msg(void* arg) { int fake_t...
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#include <pthread.h> struct jc_type_file_rand_null { struct jc_type_file_comm_hash *comm_hash; }; static struct jc_type_file_rand_null global_null; static int jc_type_file_rand_null_init( struct jc_comm *jcc ) { return global_null.comm_hash->init(global_null.comm_hash, jcc); } static int jc...
0
#include <pthread.h> void *Allen(void *arg); void *Bob(void *arg); pthread_mutex_t book1; pthread_mutex_t book2; pthread_cond_t Allenfinish; int main() { pthread_t tid1, tid2; pthread_create(&tid1, 0, &Allen, 0); pthread_create(&tid2, 0, &Bob, 0); pthread_join(tid1, 0); pthr...
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#include <pthread.h> struct foo *fp[29]; pthread_mutex_t hashlock = PTHREAD_MUTEX_INITILIALIZER; struct foo { int f_count; pthread_mutex_t f_lock; struct foo *f_next; int f_id; }; struct foo *foo_alloc(void) { struct foo *fp; int idx; if ((fp = ma...
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#include <pthread.h> pthread_mutex_t sumLock; int numWorkers; int numArrived = 0; int sums = 0; int maxInd[3] = {0, 0, 0}; int minInd[3] = {32767, 0, 0}; void sum(int partialsum, int max, int maxI, int maxJ, int min, int minI, int minJ){ pthread_mutex_lock(&sumLock); sums += partialsum; if...
1
#include <pthread.h> pthread_mutex_t mutex; pthread_t prod[20],cons[20]; sem_t full,empty; int buffer[20]; int size=10; int counter=0,i; int num[11]={0,1,2,3,4,5,6,7,8,9,10}; void * producer (void * x) { while(1){ int waittime,item; int *i=x; sem_wait(&empty); pthread_mutex_lock(&mutex); p...
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#include <pthread.h> void *handle; pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; void * load (void *u) { pthread_mutex_lock (&m); handle = dlopen ("$ORIGIN/tst-tls-atexit-lib.so", RTLD_LAZY); if (!handle) { printf ("Unable to load DSO: %s\\n", dlerror ()); return (void *) (...
1
#include <pthread.h> struct monitor { int count; struct server_monitor ** m; pthread_cond_t cond; pthread_mutex_t mutex; int sleep; int quit; }; struct worker_parm { struct monitor *m; int id; }; static void create_thread(pthread_t *thread, void *(*start_routine) (void *), void *arg)...
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#include <pthread.h> int *a; pthread_mutex_t *mutex; } args; void *thread(void *arg){ int *a = ((args*)arg)->a; int i; for(i=0; i < 1000; i++) { pthread_mutex_lock(mutex); (*a)++; pthread_mutex_unlock(mutex); } pthread_exit(0); } int main(){ clock_t begin, end; double time_spen...
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#include <pthread.h> void _ports_complete_deallocate (struct port_info *pi) { assert_backtrace ((pi->flags & PORT_HAS_SENDRIGHTS) == 0); if (MACH_PORT_VALID (pi->port_right)) { struct references result; pthread_rwlock_wrlock (&_ports_htable_lock); refcounts_references (...
0
#include <pthread.h> int **matrice = 0; int minimo = 1000; int rows = 0,cols = 0; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; void *somma_col(void *col){ int colonna = *(int *)col; printf("T: %d\\n COL: %d\\n",(int)pthread_self(),colonna); for(int rig=0; rig<rows; rig++){ pthread_...
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#include <pthread.h> static pthread_key_t key; static pthread_once_t init_done = PTHREAD_ONCE_INIT; pthread_mutex_t env_mutex = PTHREAD_MUTEX_INITIALIZER; extern char **environ; static void thread_init(void) { pthread_key_create(&key, free); } char * getenv(const char *name) { int i...
0
#include <pthread.h> static int n; static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; static int cont = 0; static pthread_cond_t cond_thread1 = PTHREAD_COND_INITIALIZER; static pthread_mutex_t mutex_thread1 = PTHREAD_MUTEX_INITIALIZER; static int cond = 0; void *rand_thread(void *arg){ ...
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#include <pthread.h> { double *a; double *b; double sum; int veclen; } DOTDATA; DOTDATA dotstr; pthread_t callThd[8]; pthread_mutex_t mutexsum; void *dotprod(void *arg){ int i, start, end, len ; long offset; double mysum, *x, *y; offset = (long)arg; le...
0
#include <pthread.h> void * thread_read_rx() { int ret_val =0; unsigned char buffer; sleep(1); while(1) { while( ioctl(fd_spi,READ_GPIO,0) < 0) { printf("\\n GPIO FAILED"); sleep(1); } do { ret_val = read_data_spi(&buffer,1); if(ret_val == -1) { printf("\\n GPI...
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#include <pthread.h> int num=0; pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER; void *add(void *arg) { int i = 0,tmp = 0; for(i=0;i<500;i++) { pthread_mutex_lock(&mylock); tmp = num+1; num = tmp; printf("add+1,result is :%d\\n",num); pthread_mutex_unlock(&mylock); } return...
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#include <pthread.h> void pr_cpu_time(void); void sig_int(int); void * thread_start(void *); pthread_t tid; long nConn; } Thread; int cliSocks[32], cliGet, cliPut; pthread_mutex_t cliMutex = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t cliCond = PTHREAD_COND_INITIALIZER; static int nThreads; ...
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#include <pthread.h> sem_t emptyPot; sem_t fullPot; void *savage (void*); void *cook (void*); static pthread_mutex_t servings_mutex; static pthread_mutex_t print_mutex; static int servings = 15; int getServingsFromPot(void) { int retVal; if (servings <= 0) { sem_post (&...
0
#include <pthread.h> pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; int bottles = 99; void *takeonedownandpassitaround(void *ptr) { struct timespec sleeptime; int *thread_id = (int *)ptr; while (1) { pthread_mutex_lock(&mutex); if (bottles>0) { fpr...
1
#include <pthread.h> int a[10], count = 0; pthread_t thread[10]; pthread_mutex_t lock[10 + 1]; void *sort (void *index); void *check (void * temp); int main() { int i; for(i = 0; i < 10; i++) a[i] = i; for(i = 0; i < 10; i++) { if (pthread_mutex_init(&lock...
0
#include <pthread.h> int q[2]; int qsiz; pthread_mutex_t mq; void queue_init () { pthread_mutex_init (&mq, 0); qsiz = 0; } void queue_insert (int x) { int done = 0; printf ("prod: trying\\n"); while (done == 0) { pthread_mutex_lock (&mq); if (qsiz < 2) ...
1
#include <pthread.h> int val; pthread_mutex_t mutex; void updateVal(int d) { int i; int tmp = val; for (i = 0; i < tmp + 100; i++); tmp += d; val = tmp; } void *readLetters(void *buffer) { char *c = (char*)buffer; while (*c != 0) { if (isalpha(*c)) { pthread_mutex_...
0
#include <pthread.h> sem_t customer_sem; sem_t barber_sem; sem_t leaving_sem; pthread_cond_t barber_cv; pthread_mutex_t seat_mutex; pthread_mutex_t barber_mutex; pthread_mutex_t print_mutex; pthread_mutex_t count_mutex; int barber_working; int free_seat_count; int max_seat_coun...
1
#include <pthread.h> void *piCalculate(void *ptr); void *piPrint(void *ptr); pthread_mutex_t mutexPi = PTHREAD_MUTEX_INITIALIZER; double piVal = 0; int iteration = 0; bool print = 1; int main(int argc, char *argv[]) { if (argc != 3) { printf("usage: %s iterations seconds.\\n", argv[...
0
#include <pthread.h> pthread_mutex_t gPresetsMutex = PTHREAD_MUTEX_INITIALIZER; struct ae_preset gPresets[AE_BANK_COUNT][AE_PRESET_COUNT]; int aeffects_init(struct ae_preset presets[AE_BANK_COUNT][AE_PRESET_COUNT]) { int ret; PRINT("aeffects: Initializing library.\\n"); memcpy(gPresets, pr...
1
#include <pthread.h> struct arg{ int* pids; int* replies; int known; int* toReply; pthread_mutex_t* replyLock; }; void Individual(struct arg* a){ int toSend = rand() % 5; int sendTo; int sleepTime; int status = 0; int received = 0; int k; for (k = toSend; k > 0; k--){ sendTo = ...
0
#include <pthread.h> int mediafirefs_write(const char *path, const char *buf, size_t size, off_t offset, struct fuse_file_info *file_info) { printf("FUNCTION: write. path: %s\\n", path); (void)path; ssize_t retval; struct mediafirefs_context_private *ct...
1
#include <pthread.h> void *Producer(void *); void *Consumer(void *); sem_t empty; sem_t full; pthread_mutex_t mutex; int g_data[20]; int main (int argc, char *argv[]) { int N = atoi(argv[1]); printf("%d", N); pthread_t pid[N], cid[N]; sem_init(&empty, 0, 20); sem_init(&full, 0, 0);...
0
#include <pthread.h>extern void __VERIFIER_error() ; int element[(400)]; int head; int tail; int amount; } QType; pthread_mutex_t m; int __VERIFIER_nondet_int(); int stored_elements[(400)]; _Bool enqueue_flag, dequeue_flag; QType queue; int init(QType *q) { q->head=0; ...
1
#include <pthread.h> struct data_queue socket_queue; char* OK = " OK\\n"; char* MISSPELLED = " MISSPELLED\\n"; char* NEXT_WORD = "Enter next word or EOF to quit.\\n"; char ** dictionary; int main(int argc, char** argv) { socket_queue.current_pos = 0; socket_queue.top = 0; socket_queue.Q_co...
0
#include <pthread.h> pthread_mutex_t count_mutex = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t condition_var = PTHREAD_COND_INITIALIZER; void *functionCount1(); void *functionCount2(); int count = 0; int main() { pthread_t thread1, thread2; pthread_create( &thread1, 0, &functionCount1, 0...
1
#include <pthread.h> int buffer[10]; int inicio = 0, final = 0, cont = 0; pthread_mutex_t bloqueio; pthread_cond_t nao_vazio, nao_cheio; void* produtor(void *v) { int i, aux; for (i = 0; i < 2 * 10; i++) { pthread_mutex_lock(&bloqueio); while (cont == 10) { pthread_cond_wait...
0
#include <pthread.h> int value; int divisors; } result_t; int g_max; int g_next; pthread_mutex_t g_next_mtx; int g_step = 1; result_t g_best; int g_processed; pthread_mutex_t g_best_mtx; pthread_cond_t g_best_cnd; int num_divisors(int v) { int cnt = 0; for (int i = 1; i <= v; i++) if...
1
#include <pthread.h> pthread_mutex_t count_mutex; int count; int buffer[100]; int produce_item() { return rand(); } void consume_item(int item) { return; } void *producer() { int item; while(1) { item = produce_item(); if(count < 100) { pthr...
0
#include <pthread.h> void init_recursos_jugadores() { ronda_jugada = 1; poner_manos = 0; quitar_manos = 0; manos_en_centro = 0; cartas_recogidas = 0; pthread_mutex_init( &manotazo , 0 ); pthread_mutex_init( &poner_mano , 0 ); pthread_mutex_init( &quitar_mano , 0 ); pthr...
1
#include <pthread.h> enum pattern_status pattern_port_sched_init(struct pattern * p) { pthread_mutex_init(&p->port.mutex_running, 0); pthread_mutex_init(&p->port.mutex_yielded, 0); return pattern_ok; } enum pattern_status pattern_port_create_task(struct pattern_task * t) { struct...
0
#include <pthread.h> struct data_array { int count; pthread_mutex_t lock; } data[5]; void *threadFunc(void *id){ int num = *((int*)id); for(int a=0; a<5; a++){ int rand_count = (rand() %100); int rand_ptr = (rand() %5); pthread_mutex_lock(&data[rand_ptr].lock); printf("[%d]: Locked ...
1
#include <pthread.h> int stack[100][2]; int size=0; sem_t sem; pthread_mutex_t mutex; void ReadData1(void){ FILE *fp=fopen("1.dat","r"); while(!feof(fp)){ pthread_mutex_lock(&mutex); fscanf(fp,"%d %d",&stack[size][0],&stack[size][1]); printf("%d\\n", size); sem_post(&sem); ++size; pt...
0
#include <pthread.h> struct thread_info { pthread_cond_t cond; pthread_mutex_t mux; void *p; }; void * thread_func(void *p) { struct thread_info *info = p; for (;;) { pthread_mutex_lock(&info->mux); pthread_cond_wait(&info->cond, &info->mux); free(info->p); pthread_mutex_unlock(&inf...
1
#include <pthread.h> int quitflag; sigset_t mask; pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t wait = PTHREAD_COND_INITIALIZER; void * thr_fn(void *arg) { int err, signo; fprintf(stdout, "cat interrupt thread id: %d\\n", (int )pthread_self()); fprintf(stdout, "process id: ...
0
#include <pthread.h> const int round_max = 50000; const int readers_max = 5; const int writers_max = 10; const int sleep_ms = 100; item_t value; int readers; pthread_mutex_t write_lock; pthread_mutex_t read_lock; } data_t; data_t* data; int id; } thread_t; void* read_loop (void* ...
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#include <pthread.h> void exitfunc(int sig) { _exit(0); } void compfunc(int a,int b,int c){ printf("There are %d signals that have been changed.\\n",a); printf("There are %d signals that have been changed from 0 to 1.\\n",b); printf("There are %d signals that have been detected.\\n",c);...
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#include <pthread.h> int Q[20]; int front = -1; int rear = -1; int c = 0; pthread_mutex_t mutex; sem_t full; sem_t empty; void *Supervisor(void *arg){ while( c < -5) { int student = (int)arg; pthread_detach(pthread_self()); sem_wait(&empty); pthread_mutex_lock(&mutex); rear = rear + 1...
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#include <pthread.h> struct pp_thread_info { int *msgcount; pthread_mutex_t *mutex; pthread_cond_t *cv; char *msg; int modval; }; void * pp_thread(void *arg) { struct pp_thread_info *infop; int c; infop = arg; while (*infop->msgcount < 50) { ...
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#include <pthread.h> struct library_context context; pthread_mutex_t services_mutex, remotes_mutex; uint8_t init() { DEBUG("init %d", context.initialized); if (context.initialized) return 1; srand(time(0)); memset(context.services, 0, UINT16_MAX * sizeof(struct s...
1
#include <pthread.h> int Buf1_num=0; int Buf2_num=0; int Buf1[10]; int Buf2[10]; pthread_mutex_t mutex1 = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t mutex2 = PTHREAD_MUTEX_INITIALIZER; void *thread_fun1(void *args); void *thread_fun2(void *args); void *thread_fun3(void *args); int main(void) { ...
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#include <pthread.h> void usage(){ fprintf(stderr,"Usage: ./make_threads <no_threads> <sum_up_to>\\n"); } unsigned long long global_sum; pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER; void * up_to_n(void *args){ int *n = args; int i; unsigned long long local_sum = 0; f...
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#include <pthread.h> struct testdata { pthread_mutex_t mutex; pthread_cond_t cond; } td; int t1_start = 0; int signaled = 0; void *t1_func(void *arg) { int rc; struct timespec timeout; struct timeval curtime; if (pthread_mutex_lock(&td.mutex) != 0) { fprintf(stderr,"Thread1: Fail to a...
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#include <pthread.h> uint32_t hash64(uint64_t a) { a = a ^ (a>>32); a = (a+0x7ed55d16) + (a<<12); a = (a^0xc761c23c) ^ (a>>19); a = (a+0x165667b1) + (a<<5); a = (a+0xd3a2646c) ^ (a<<9); a = (a+0xfd7046c5) + (a<<3); a = (a^0xb55a4f09) ^ (a>>16); return (uint32_t)a...
1
#include <pthread.h> pthread_mutex_t lock; pthread_cond_t cond; void decrement_count(int iter); void increment_count(int iter); void * thread_body(void * param) { int i; pthread_mutex_lock(&lock); for(i = 0; i <= 10; ++i){ pthread_cond_signal(&cond); printf("Child ...
0
#include <pthread.h> void buffered_queue_init(struct buffered_queue *queue, int size){ queue->size = size+1; queue->buf = malloc(sizeof(void *) * (size+1)); queue->start_index = 0; queue->end_index = 0; pthread_mutex_init(&(queue->lock), 0); pthread_cond_init(&(queue->cond)...
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#include <pthread.h> pthread_mutex_t chopstick_mutexes[PHIL_COUNT]; pthread_mutex_t footman_mutex = PTHREAD_MUTEX_INITIALIZER;; pthread_cond_t footman_cond = PTHREAD_COND_INITIALIZER; int footman_count = 0; void Init(void) { int i; for (i=0;i<PHIL_COUNT;i++) pthread_mutex_ini...
0
#include <pthread.h> static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; static void *worker_task(void *args) { pthread_mutex_lock(&mutex); int id = *(int *)(args); pthread_mutex_unlock(&mutex); void *context = zmq_ctx_new(); printf("%d zmq_ctx_new\\n", id)...
1
#include <pthread.h> struct tm *getIsoTm(const struct timeval *t) { return localtime((time_t*)(&(t->tv_sec))); } int getHundredthOfSeconds(const struct timeval *t) { return (int)(t->tv_usec / 10000); } static FILE *openCoverageFile() { char timestamp[128]; char name[6 +...
0
#include <pthread.h> double pi = 0; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; void *work(void *arg) { int start; int end; int i; start = (2000000/2) * ((int )arg) ; end = start + 2000000/2; for (i = start; i < end; i++) { pthread_mutex_lock(&mutex); p...
1
#include <pthread.h> uint16_t timestamp; uint16_t state; uint16_t magic; } Data; uint16_t time; uint16_t timestamp; uint16_t last_timestamp; uint16_t first_timestamp; uint8_t event; } Channel; uint8_t recognized[MAX_SENSOR]; inline uint16_t calc_timestamp_diff ( uint16_t time, ...
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#include <pthread.h> pthread_mutex_t m_lock; void *t_func(void *data) { int *count = (int*)data; int tmp; pthread_t thread_id = pthread_self(); while(1) { pthread_mutex_lock(&m_lock); tmp = *count; tmp++; sleep(1); *count = tmp; ...
1
#include <pthread.h> double **A, **B, **C; int number_of_threads = 1; int* matrix_part_size; int** matrix_part; int rowsA, rowsB, columnsA, columnsB; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; double matrix_norm; void *ThreadFunction(void* arg) { int i, x; int thread_id = *((int*)ar...
0
#include <pthread.h> long int n_threads=0,n_iter = 0,sum=0; long int i; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; void* runner(void* arg) { double x,y; unsigned int value; long int ctr = 0,k=0; for(k=0;k<n_iter/n_threads;k++){ x = rand_r(&value)/(double)32767; y = rand_r(&val...
1
#include <pthread.h> int nbr_wait=0; pthread_mutex_t mutex=PTHREAD_MUTEX_INITIALIZER; pthread_cond_t cond=PTHREAD_COND_INITIALIZER; void wait_barrier(int n){ pthread_mutex_lock(&mutex); nbr_wait++; if (nbr_wait<10) { pthread_cond_wait(&cond, &mutex); } else { pthread_cond_broadcast(&co...
0
#include <pthread.h> pthread_mutex_t total_grade_mutex; pthread_mutex_t total_bellcurve_mutex; pthread_barrier_t barrier; float total_grade = 0; float total_bellcurve = 0; float grades[10]; void * save_bellcurve(void * grade); void * read_grades(); int main(void){ pthread_t tid[10]; pthre...
1
#include <pthread.h> static pthread_mutex_t mutexLock; double v[100]; int i2c_fd; void ctrl_c(int sig) { close(i2c_fd); exit(-1); } void *function_media() { double total = 0; while(1) { sleep(1); pthread_mutex_lock(&mutexLock); for (int i = 0; i < 100; i++) total += v[i]; pthrea...
0
#include <pthread.h> int costumersWaiting = 0; int barbeiroOcupado = 0; pthread_cond_t loja_cheia = PTHREAD_COND_INITIALIZER; pthread_cond_t loja_vazia = PTHREAD_COND_INITIALIZER; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; void *barbeiro(void *args) { while(1) { pthread_mutex_lock(...
1
#include <pthread.h> static char send_buffer[2][1024]; static char receive_buffer[1024]; static pthread_mutex_t send_buffer_access; static pthread_cond_t send_buffer_0_cv; static pthread_cond_t send_buffer_1_cv; static int sock_fd = 0; int check_parameters_count(int argc){ if(argc != 2) ...
0
#include <pthread.h> int count = 0; int thread_ids[3] = {0,1,2}; pthread_mutex_t count_mutex; pthread_cond_t count_threshold_cv; void *inc_count(void *t) { int i; long my_id = (long)t; for (i=0; i<10; i++) { pthread_mutex_lock(&count_mutex); count++; if (count == 12) { pt...
1
#include <pthread.h> char username[32]; int fd; pid_t tid; } chat_client_t; chat_client_t clients[5]; int usercount = 0; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; struct client_handler_params { int fd; char username[32]; }; void show_client_list() { int i; pthread_mutex_...
0
#include <pthread.h>extern void __VERIFIER_error() ; int block; int busy; int inode; pthread_mutex_t m_inode; pthread_mutex_t m_busy; void *allocator(){ pthread_mutex_lock(&m_inode); if(inode == 0){ pthread_mutex_lock(&m_busy); busy = 1; pthread_mutex_unlock(&m_busy); inode...
1
#include <pthread.h> int ** bigMatrix[200]; int producerTotal = 0; int consumerTotal = 0; int buffer[200]; int fill_ptr = 0; int use_ptr = 0; int count = 0; int producerSum = 0; int consumerSum = 0; int loops = 1200000; pthread_cond_t empty = PTHREAD_COND_INITIALIZER; pthread_cond_t fill = PTHR...
0
#include <pthread.h> int fd, op; char word[32]; pthread_t *tids; size_t n, nrec; static pthread_mutex_t mtx = PTHREAD_MUTEX_INITIALIZER; int sig_num; void *thread_func(void *arg) { if(op == 4) { sigset_t set; sigemptyset(&set); sigaddset(&set, sig_num); pthread...
1
#include <pthread.h> struct thd_s { int running; pthread_t thd; void (*func)(void); pthread_mutex_t mutex; pthread_cond_t cond; }; static struct thd_s thread_handle[YAB_NUM_THREADS]; static pthread_key_t hnd_key; static pthread_once_t hnd_key_once; static void make_key() { ...
0
#include <pthread.h> int producerTotal = 0; int consumerTotal = 0; int buffer[100]; int fill_ptr = 0; int use_ptr = 0; int count = 0; int producerSum = 0; int consumerSum = 0; int loops = 10000; pthread_cond_t empty = PTHREAD_COND_INITIALIZER; pthread_cond_t fill = PTHREAD_COND_INITIALIZER...
1
#include <pthread.h> struct session_slot_table *new_session_slot_table() { int i; struct session_slot_table *sst; sst = malloc(sizeof(*sst)); if (!sst) { return 0; } sst->free_slots = new_bitset(SESSION_SLOT_TABLE_CAPACITY); if (!sst->free_slots) { free(sst); return 0; } ...
0
#include <pthread.h> double ff_get_sync_clock(struct ff_clock *clock) { return clock->sync_clock(clock->opaque); } int64_t ff_clock_start_time(struct ff_clock *clock) { int64_t start_time = AV_NOPTS_VALUE; pthread_mutex_lock(&clock->mutex); if (clock->started) start_time = clock->start...
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#include <pthread.h> pthread_mutex_t mutex1 = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t mutex2 = PTHREAD_MUTEX_INITIALIZER; void* thread_worker(void*); void critical_section(int thread_num, int i); int main(void) { int rtn, i; pthread_t pthread_id = 0; rtn = pthread_create(&p...
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#include <pthread.h> static int buffer[16]; static pthread_mutex_t lock; static pthread_cond_t empty; static pthread_cond_t full; static int counter = 0; static int number_of_items; static int number_consumers; static int number_producers; int thread_number; int number_produced; } p...
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#include <pthread.h> static pthread_t n_thread; static pthread_t w_thread; static pthread_t s_thread; static pthread_t e_thread; static pthread_mutex_t monitor; static pthread_cond_t activeN; static pthread_cond_t activeW; static pthread_cond_t activeS; static pthread_cond_t activeE; static pt...
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#include <pthread.h> float hypotenuse; pthread_mutex_t mutexsum; void *square_side (void *); int main (int argc, char **argv) { int i; float sides[2]; pthread_t *thr_ids; switch (argc) { case 3: sides[0] = atof (argv[1]); sides[1] = atof (argv[2]); if ((sid...
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#include <pthread.h> pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; struct free_mem * free_list; int mymalloc_init() { struct free_mem * head; pthread_mutex_lock(&lock); if ((head = sbrk(PAGE)) == (void *) -1){ pthread_mutex_unlock(&lock); return 1; } else{ head->size ...
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#include <pthread.h> extern FILE *fileout_basicmath_conversion; extern pthread_mutex_t mutex_print; int main_basicmath_conversion(void) { double a1 = 1.0, b1 = -10.5, c1 = 32.0, d1 = -30.0; double a2 = 1.0, b2 = -4.5, c2 = 17.0, d2 = -30.0; double a3 = 1.0, b3 = -3.5, c3 = 22.0, d3 = -3...
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#include <pthread.h> pthread_mutex_t timer_mutex; pthread_cond_t timer_expired_cv; void *wait_thread(void *time) { int time_to_wait = *((int*)time); printf("wait_thread started\\n"); while (time_to_wait > 0) { usleep(1000000); pthread_mutex_lock(&timer_mutex); --time_to...
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#include <pthread.h> int needQuit(pthread_mutex_t *mtx) { switch (pthread_mutex_trylock(mtx)) { case 0: pthread_mutex_unlock(mtx); return 1; case EBUSY: return 0; } return 1; } void *thread_do(void *arg) { pthread_mutex_t *mx = arg; int i = 0; while (!n...
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#include <pthread.h> int main(int argc, char* argv[]) { int out1 = 0; int out2 = 0; int id; SharedMem *ptr; id = shmget (atoi(argv[1]), 0, 0); if (id == -1){ perror ("child shmget failed"); exit (1); } ptr = shmat (id, (void *) 0, 1023); if (ptr == (void *) -1){ ...
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#include <pthread.h> struct file_counter { char *filename; int words_count; int id; }; struct file_counter *mailbox = 0; pthread_mutex_t mailbox_lock = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t mailbox_cond = PTHREAD_COND_INITIALIZER; void *count_words(void *file_counter_a); int m...
1
#include <pthread.h> FILE *logfile = 0; int open_logfile(char *filepath) { logfile = fopen(filepath, "we"); if(!logfile) { print(ERROR, "fopen: %s", strerror(errno)); return -1; } return 0; } void file_logger(int level, char *fmt, ...) { va_list argptr; if(!logfil...
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#include <pthread.h> struct foo* fh[29]; pthread_mutex_t hashlock = PTHREAD_MUTEX_INITIALIZER; struct foo { int f_count; pthread_mutex_t f_lock; int id; struct foo* next; }; struct foo* foo_alloc(int id) { int idx; struct foo* fp; if ((fp = malloc(sizeof(struct foo...
1
#include <pthread.h> int globalInt = 0; sem_t mySem; pthread_mutex_t lock; int running = 1; int var1 = 0; int var2 = 0; void processTestVFork() { globalInt = 0; printf("%s\\n", "************vfork*************"); int localInt = 0; pid_t pid = vfork(); if(pid == 0){ for (int i = 0; i < 10; ...
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#include <pthread.h> pthread_mutex_t m; pthread_cond_t cv; pthread_key_t key; int jobInfo[50]; int jobAvail = 0; int i = 0; int jobCount = 0; void *slave(void *threadID) { int threadNum = *(int *)threadID; int *local_job; while(jobCount < 25) { pthread_mutex_lock(&m); while(jobAvail < 1 ...
1
#include <pthread.h> pthread_t handles[16]; int nprimes= 0; int lower = 0; int biggest = 10000000; int chunk_size = 1000; pthread_mutex_t prime_lock = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t lower_lock = PTHREAD_MUTEX_INITIALIZER; void *func(void *s) { struct subrange range; ...
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#include <pthread.h> static pthread_mutex_t mem_lock; unsigned mem_request_tag[MAX_DUMP_MEM_NUM]; unsigned mem_response_tag[MAX_DUMP_MEM_NUM]; struct http_request_header *mem_request_header[MAX_DUMP_MEM_NUM]; struct http_response_header *mem_response_header[MAX_DUMP_MEM_NUM]; void init_mem_...
1
#include <pthread.h> buffer_item buffer[5]; pthread_mutex_t mutex; sem_t full; sem_t empty; int start; int end; int insert_item(buffer_item item){ int pos; sem_wait(&empty); pthread_mutex_lock(&mutex); pos = start; start = (start + 1)%5; pthread_mutex_unlock(&mutex); ...
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#include <pthread.h> volatile int x; volatile int y; volatile int past_x; pthread_mutex_t lock_one; pthread_mutex_t lock_two; pthread_barrier_t barrier; pthread_t threads[2]; void random_hog() { volatile unsigned long i, x; unsigned long count = random() / (1 << 20) + 10000; ...
1
#include <pthread.h> pthread_t fid[1],cid[20]; pthread_mutex_t cpu=PTHREAD_MUTEX_INITIALIZER,s[20]; int num; int remain; int state; int prio; }pcb; int prio; int index; }temp; pcb thread[20],nThread[20]; temp pcbIns[20]; int total=0; int first=0; int waitTime=0; void insertionSort(n){ ...
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#include <pthread.h> int K; struct Node { int data; struct Node* next; }; struct list { struct Node * header; struct Node * tail; }; pthread_mutex_t mutex_lock; struct list *List; struct Node* generate_data_node(int n) { struct Node *ptr; ptr = (struct Node *...
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#include <pthread.h> struct spectrum_buffer* spectrum_input_buffers_head; struct spectrum_buffer* spectrum_input_buffers_tail; sem_t spectrum_input_buffer_sem; int spectrum_input_sequence=0; int spectrum_input_buffers=0; pthread_mutex_t spectrum_input_buffer_mutex; struct spectrum_b...
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#include <pthread.h> extern struct destroyerRocket destRocket; static void animateDestRocket(); static void initDestRocket(struct destroyer *); void *shootDestRocket(void *args) { struct destroyer *ship = args; srand(getpid()); while (1) { if (!destRocket.isAlive && destRocket.hit <...
1
#include <pthread.h> sem_t sem1; pthread_mutex_t m1; int contador = 0; void func(int i){ int tid; tid = i; printf("Soy el Hilo %d\\n", tid); sleep(tid*2); pthread_mutex_lock(&m1); contador = contador + 1; if(contador != 5){ pthread_mutex_unlock(&m1); sem_wait(&sem1); printf("So...
0