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#include <pthread.h> struct thread_pass { pthread_mutex_t server; pthread_mutex_t clients; pthread_cond_t done; int work; void *data; }; struct thread_pass * thread_pass_new(void *data) { struct thread_pass *p = malloc(sizeof(*p)); pthread_mutex_init(&p->server, 0); pthread_mutex_init...
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#include <pthread.h> struct thread_data { int shmid; pthread_mutex_t *mutex_ptr; }; void *second_thread(void *this_data) { time_t childTime; char *shm; struct thread_data *data; data = (struct thread_data *)this_data; pthread_mutex_lock(data->mutex_ptr); sleep(5); shm = (char *)shmat(...
0
#include <pthread.h> pthread_mutex_t mutex; unsigned long int max,t,sum; void display_time() { int seconds; seconds = time( (time_t *)0 ); printf( "Time = %d",seconds ); } void *thread1(void *arg) { display_time(); unsigned long int n=*( unsigned long int * )arg; ...
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#include <pthread.h> pthread_mutex_t number_mutex; int globalnumber = 5; void write_globalnumber() { printf("1:%d\\n", globalnumber); pthread_mutex_lock(&number_mutex); globalnumber++; pthread_mutex_unlock(&number_mutex); printf("2:%d\\n", globalnumber); } int read_gl...
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#include <pthread.h> const int MAX_THREADS = 1024; long thread_count; long long n; double sum; pthread_mutex_t mutex; void* Thread_sum(void* rank); void Get_args(int argc, char* argv[]); void Usage(char* prog_name); double Serial_pi(long long n); int main(int argc, char* argv[]) { long thr...
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#include <pthread.h> int owner=0,waitingWhite=0,waitingBlack=0,usingWhite=0,usingBlack=0; int lastUseBlack,lastUseWhite; pthread_mutex_t counter = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t whiteWait = PTHREAD_COND_INITIALIZER; pthread_cond_t blackWait = PTHREAD_COND_INITIALIZER; pthread_mutex_t o...
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#include <pthread.h> pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER; union data_pointer_t { struct delivery_t *de; struct new_order_t *no; struct order_status_t *os; struct payment_t *pa; struct stock_level_t *sl; }; int dump(FILE *fp, int type, void *data) { int i; union data_pointer_t p...
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#include <pthread.h> int account = 5000; int depositamount = 100; int withdrawamount = 100; pthread_mutex_t cmutex = PTHREAD_MUTEX_INITIALIZER; int deposit(int amount) { pthread_mutex_lock(&cmutex); account = account+amount; printf("Deposit %d\\n", account); pthread_mutex_unlo...
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#include <pthread.h> pthread_mutex_t collatzMutex; int* initialized; int* stop; uint64_t* thisNum; const uint64_t STEP = 1<<15; void (*foo)(uint64_t*); void takeNextNum(uint64_t* numBuf) { pthread_mutex_lock(&collatzMutex); if (*stop) { *numBuf = 0; } else ...
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#include <pthread.h> static void *global_top = 0; pthread_mutex_t global_mutex; struct head_t { unsigned int free; size_t size; struct head_t *next; }; void *get_free_block(size_t size); void *mealloc(size_t size); void *mecalloc(size_t value, size_t size); void *merealloc(void *ptr, siz...
0
#include <pthread.h> struct Node { Node *next; int num; }; struct Queue { Node *head; Node *tail; int queue_size; pthread_mutex_t Queue_Lock; pthread_cond_t isEmpty; }; int initialize_Queue(Queue *queue_ptr) { queue_ptr->queue_size = 0; queue_ptr -> head = 0; ...
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#include <pthread.h> pthread_mutex_t s_m1 = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t s_m2 = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t s_c1 = PTHREAD_COND_INITIALIZER; const int kNumThread = 3; const int kLoopCount = 10000000; void *thread_func( void *arg ); static double toSec(struct timeval ...
0
#include <pthread.h> struct myStringStruct { char qstring[128]; }; extern pthread_mutex_t mutex_print; extern FILE* fileout_qsort; extern FILE* filein_qsort; int compare(const void *elem1, const void *elem2) { int result; result = strcmp((*((struct myStringStruct *)elem1)).qstring, ...
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#include <pthread.h> int available_resources = 10;; pthread_mutex_t m1; int request_resources(int rNum); int release_resources(int rNum); void process_manager(); int main(){ pthread_t threads[5]; pthread_mutex_init(&m1, 0); for(int i = 0; i < 5; i ++){ pthread_create(&threads[i...
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#include <pthread.h> static sem_t avvio_processo[3][2]; static sem_t avvio_confezione; pthread_mutex_t mut; int contenitore[3]; int nconfezioni=3; int lap=0; pthread_cond_t contenitore_non_pieno[3]; void init() { sem_init(&avvio_confezione,0,0); pthread_mutex_init(&mut,0); for (int i = 0; i <...
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#include <pthread.h> pthread_mutex_t mutex; int sum=0; void* p_func(void* p) { int i; pthread_mutex_lock(&mutex); pthread_mutex_lock(&mutex); printf("i am child,i have lock\\n" ); pthread_mutex_unlock(&mutex); pthread_mutex_unlock(&mutex); pthread_exit(0); } int main( ) { int ret;...
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#include <pthread.h> void *sum_array(void *); void verify(); int sum; int num[20]; struct tparam { int start; int stop; }; pthread_mutex_t lock; int main(int argc, char *argv[]) { if(argc!=2) { printf("format: <prg> [num of threads]\\n"); return; } if(atoi(argv[1])>20) { printf("err...
1
#include <pthread.h> pthread_t tid[2]; pthread_mutex_t mutex; int *array; float arraytime[2]; int length = 1000000000; int private_count[2]; int count = 0; int double_count = 0; int t = 2; int max_threads = 0; void *count3s_thread(void *arg) { int i; clock_t t1th, t2th; int length_per_t...
0
#include <pthread.h> { int inicio; int fin; char *ruta; int *arreglo; } estructura; pthread_mutex_t mutex; char *palabrasBuscar[100]; int numeroPalabrasEncontradas[100]; int tamArreglo; int numero_lineas(char *ruta, int *tam_lineas) { if (ruta != 0) { FILE* ar = fopen(ruta, "r"); int...
1
#include <pthread.h> pthread_mutex_t mutex; int numberOfThreads; int matrixSize; int **matrixA; int **matrixB; int **matrixC; void testArguments(int argc, char **argv); int ** allocateMatrix(int rowSize, int colSize); void freeMatrix(int ** matrix, int rowSize); void imprime_matriz(int **matrix)...
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#include <pthread.h> int memory[(2*32+1)]; int next_alloc_idx = 1; pthread_mutex_t m; int top; int index_malloc(){ int curr_alloc_idx = -1; pthread_mutex_lock(&m); if(next_alloc_idx+2-1 > (2*32+1)){ pthread_mutex_unlock(&m); curr_alloc_idx = 0; }else{ curr_alloc_idx =...
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#include <pthread.h> { int id; int media; }Aluno; int Vec1[250], Vec2[250], Vec3[250], Vec4[250]; Aluno alunos_buffer[50]; int BufferN, contador_global=0; pthread_mutex_t escrever_buffer; pthread_mutex_t fim; pthread_cond_t condicao_buffer_cheio; void * media( void * arg ){ int i, j, soma...
0
#include <pthread.h> int NB_WAIT_BARRIER = 0; pthread_cond_t condBarriere = PTHREAD_COND_INITIALIZER; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; void wait_barrier(int n) { pthread_mutex_lock(&mutex); NB_WAIT_BARRIER++; if(NB_WAIT_BARRIER == n) pthread_cond_broadcast(&condBarriere); ...
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#include <pthread.h> int number; int consumed; } Bird; sem_t wake_father_bird, food_bowl; int food, times, count; pthread_mutex_t lock; void *feed(void*); void initiate_birds(Bird*); int main(int argc, char **argv) { int i; pthread_t *bird_threads; Bird *args; bird_threads = malloc(...
0
#include <pthread.h> int map_minerals = 5000; int minerals = 0; int n = 0; int m = 0; int k = -1; int command_centers_minerals[12] = {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}; pthread_mutex_t mutex_workers; pthread_mutex_t mutex_map_minerals; pthread_mutex_t mutex_minerals; pthread...
1
#include <pthread.h> static pthread_mutex_t wait_mutex = PTHREAD_MUTEX_INITIALIZER; static pthread_mutex_t sleep_mutex = PTHREAD_MUTEX_INITIALIZER; static void *uwrap_getuid_sync(void *arg) { uid_t u; (void) arg; pthread_mutex_unlock(&sleep_mutex); pthread_mutex_lock(&wait_mutex); u = g...
0
#include <pthread.h> static int init_malloc(void) { if (g_alloc_manager.is_init == TRUE) return (0); g_alloc_manager.is_init = TRUE; pthread_mutex_init(&g_locker, 0); return (init_alloc_manager()); } void *malloc(size_t size) { void *ptr; if (size == 0 || init_malloc() != 0) return (0)...
1
#include <pthread.h> { int min; int max; int h; int rank; double gap; double * val; int * vet; int size; } composite ; pthread_mutex_t barrier; void * binCount ( void * mMh ) { composite c = * ( ( composite * ) mMh ); int j; double * val = c.val; d...
0
#include <pthread.h> struct Btrace { unsigned long pid; int deadlock; unsigned char payload[1]; }; enum { btsize = 600, }; static pthread_mutex_t lockdep_lk = PTHREAD_MUTEX_INITIALIZER; static pthread_mutex_t* held[40][30]; static pthread_mutex_t* lockid[30]; static pthread_t pid_tab[40...
1
#include <pthread.h> struct msg { struct msg *m_next; int id; }; struct msg *workq; pthread_cond_t qready = PTHREAD_COND_INITIALIZER; pthread_mutex_t qlock = PTHREAD_MUTEX_INITIALIZER; void process_msg(void) { pthread_t tid = pthread_self(); struct msg *mp; for( ; ; ) { pthread_m...
0
#include <pthread.h> void* write_variables(void*); void* print_variables(void*); int var1 = 0; int var2 = 0; int running = 1; pthread_mutex_t lock; int main() { if(pthread_mutex_init(&lock,0) != 0) { printf("Init mutex failed \\n"); return(-1); } pthread_t thread1...
1
#include <pthread.h> struct pid_data{ pthread_mutex_t pid_mutex; pid_t pid; }; char buffer[1500]; char receive[1500]; int message_client(pid_t pid); int main(int argc, char *argv[]) { printf("Welcome to the QNX Momentics IDE\\n"); int f_desc = shm_open("/dev/shmem/sharedpid", O_RDWR,...
0
#include <pthread.h> sem_t espera_vaga, espera_dado; pthread_mutex_t mutex; int cont = 0, v[5] = {0, 0, 0, 0, 0}; void exibir(); void *insereItem(void *args); void *removeItem(void *args); int main() { pthread_t produtor, consumidor; int *nexecProd = malloc(sizeof(int)); int *nexecC...
1
#include <pthread.h> int main() { void *thread_join_status; pthread_attr_t attr; pthread_attr_init(&attr); pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE); pthread_mutex_init(&Motor_info_mutex, 0); pthread_mutex_init(&MC_faults_mutex, 0); pthread_mutex_lock(&Motor_inf...
0
#include <pthread.h> void initProducteur(){ nbC1 = 3*10; nbC2 = 3*10; nbC3 = 1*4000; nbC4 = 2*10; continuerProducteur = 1; } int resteTIlComposant(){ if(nbC1 == 0 && nbC2 == 0 && nbC3 == 0 && nbC4 == 0) return 0; return 1; } int recupererUnComposant(){ ...
1
#include <pthread.h> static int i = 0; static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; static pthread_cond_t notfull = PTHREAD_COND_INITIALIZER; static pthread_cond_t notempty = PTHREAD_COND_INITIALIZER; void clean_func(void *arg) { pthread_mutex_unlock(&mutex); } void* producer...
0
#include <pthread.h> pthread_mutex_t forks[5]; pthread_t phils[5]; void *philosopher (void *id); int food_on_table (); void get_fork (int, int, char *); void down_forks (int, int); pthread_mutex_t foodlock; int sleep_seconds = 0; int main (int argn, char **argv){ int i; if (argn == ...
1
#include <pthread.h> double pintegral(double (*f)(double), double a, double b, long n, int k, int tasks); long n; int p; double resultat; pthread_mutex_t my_mutex; double f(double x) { return sqrt(1.0-x*x); } void * calculate(void *parm) { int me=*((int *)parm); double x=pintegral(f, ...
0
#include <pthread.h> int read_cnt = 0, total_cnt = 0; pthread_mutex_t read_mutex, access_mutex; void *write_handler(void *arg) { pthread_detach(pthread_self()); pthread_mutex_lock(&access_mutex); ++total_cnt; printf("A writer comes in! Total persons: %d\\n", total_cnt); ...
1
#include <pthread.h> pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; void *thread2 (void *arg); void *thread3 (void *arg); void *thread (void *arg) { long j = (long) arg; int i, ret; pthread_t th[3]; printf ("t%ld: running!\\n", j); for (i = 0; i < 3; i++) { ret = pthread_...
0
#include <pthread.h> const int MAX_THREADS = 64; int thread_count, message_avaliable, consumer; pthread_mutex_t mutex; void Usage(char* prog_name); void *Hello(void* rank); int main(int argc, char* argv[]) { long thread; pthread_t* thread_handles; thread_count = 2; message_ava...
1
#include <pthread.h> void customer(int cust_num) { int i,j; printf("%d started\\n",cust_num); int request[NUMBER_OF_RESOURCES]; for(j = 0;j<NUMBER_OF_RESOURCES;j++) request[j] = need[cust_num][j]; int done = 1,todo = 0; while(1) { pthread_mutex_lock(&lock); for(i = 0;i<NUMBER_OF_CUSTO...
0
#include <pthread.h> void RainGet(void) { static struct timeval tPreviousReading = { 0, 0 }; struct timeval tNow, tInterval; char *pRain = malloc(BB_LOGBUFFERSIZE); gettimeofday(&tNow, 0); timersub(&tNow, &tPreviousReading, &tInterval); writeLog(BB_LOGLEVELHIGH, "Rain: Processin...
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#include <pthread.h> double *matrix; double *vector; double *result; pthread_t thread[3]; pthread_mutex_t mutex; int thread_id[3]; void printf_table(double *table, int size) { int i; printf("Size: %d\\n\\n", size); for (i = 0; i < size; ++i) { printf("%lf ", table[i]); if ((i + ...
0
#include <pthread.h> int minutes; int seconds; time_t curr_sec; pthread_t thread; }* Gametime; static void clock_draw_image(Gametime t); static void clock_clear_image(Gametime t); static time_t clock_get_current_time(); static void clock_countdown(Gametime t, time_t passed_se...
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#include <pthread.h> int no; char str[10]; }Arg; pthread_mutex_t mutex; pthread_cond_t cond; int g_flag=0; pthread_t thread_1,thread_2; void* thread1(void* arg) { printf("%s:I am thread %d\\n",(*((Arg*)arg)).str,(*((Arg*)arg)).no); pthread_mutex_lock(&mutex); g_flag=1; p...
0
#include <pthread.h> int num; pthread_mutex_t mutex_num; void *run(void *args) { while (num < 100) { pthread_mutex_lock(&mutex_num); if (num < 100) { printf("subthread %d: %d\\r\\n", (int)args, ++num); } pthread_mutex_unlock(&mutex_num); } printf("subthread finished!\\r\\n...
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#include <pthread.h> int nombres[100]; int somme; pthread_mutex_t lock; sem_t sema; char c; }tabCritique; void tabInit(tabCritique* t) { pthread_mutex_init(&(t->lock), 0); sem_init(&(t->sema),0,0); t->somme = 0; } void* filtre(void* arg) { tabCritique *t = (tabCritique*) arg...
0
#include <pthread.h> long long g_sum = 0; int g_min = 32767; int g_minX = -1; int g_minY = -1; int g_max = INT_MIN; int g_maxX = -1; int g_maxY = -1; pthread_mutex_t dataLock; int g_count = 0; int g_size; pthread_mutex_t countLock; int numWorkers; double startTime, endTime; int size, strip...
1
#include <pthread.h> static size_t used_memory = 0; static int pmalloc_thread_safe = 0; pthread_mutex_t used_memory_mutex = PTHREAD_MUTEX_INITIALIZER; static void pmalloc_default_oom(size_t size){ fprintf(stderr , "pmalloc : Out of memory trying to allocate %zu bytes\\n", size); fflush(std...
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#include <pthread.h> static pthread_cond_t cond1; static pthread_cond_t cond2; static pthread_mutex_t test_lock = PTHREAD_MUTEX_INITIALIZER; static void * thread1_func(void* arg) { printf("Thread 1 (arg=%d tid=%d) entered.\\n", (unsigned)arg, gettid()); printf("1 waiting for cond1\\n"); ...
1
#include <pthread.h> pthread_mutex_t *mtx = 0; int main(int argc, char*argv[]) { if (argc != 2 || (atoi(argv[1]) != PTHREAD_PROCESS_SHARED && atoi(argv[1])!= PTHREAD_PROCESS_PRIVATE)) { printf("Usage: %s <mutex shared or private >\\n", argv[0]); exit(1); } if (atoi(argv[1]) ...
0
#include <pthread.h> { int id; int nproc; } parm; char message[100]; pthread_mutex_t msg_mutex = PTHREAD_MUTEX_INITIALIZER; int token = 0; void* greeting(void *arg) { parm *p = (parm *) arg; int id = p->id; int i; if (id != 0) { while (1) { pthread_mutex_lock(&msg_mutex); if (t...
1
#include <pthread.h> struct foo *fh[29]; pthread_mutex_t hashlock = PTHREAD_MUTEX_INITIALIZER; 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 = malloc(sizeof(struct foo))) !...
0
#include <pthread.h> static struct subscription** subscriptions = 0; static void subscription_create(struct address* address, struct channel* channel) { struct subscription* subscription = malloc(sizeof(struct subscription)); subscription->address = address; *subscriptions = subsc...
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#include <pthread.h> { int data; struct node *next; }node_t; static pthread_key_t thread_log_key; { node_t *top; }stack_t; stack_t S; void write_to_thread_log (const char* message) { FILE* thread_log = (FILE*) pthread_getspecific (thread_log_key); fprintf (thread_log, "%s\\t",message); }...
0
#include <pthread.h> char g_fullLogPath[128] = { 0 }; char g_exeName[128] = { 0 }; int g_catchCount = 0; int g_fd; char *g_cache; int g_curCacheSize = 0; int g_localLogIsInit = 0; pthread_mutex_t g_mutex; int initLocalLog(const char* pExeName) { char* fnspi = strrchr(pExeName, '/'); if (fn...
1
#include <pthread.h> pthread_t command_thread; pthread_t data_thread[3]; pthread_t status_thread; pthread_t server_thread; pthread_attr_t command_attr; pthread_attr_t data_attr[3]; pthread_attr_t status_attr; pthread_attr_t server_attr; pthread_mutex_t command_mutex; pthread_mutex_t data_mutex; ...
0
#include <pthread.h> int g_buffer[10]; unsigned int in = 0; unsigned int out = 0; unsigned int produce_id = 0; unsigned int consume_id = 0; sem_t g_sem_full; sem_t g_sem_empty; pthread_mutex_t g_mutex; pthread_t g_thread[5 +1]; void* consume(void *arg) { int num = *((int*)arg); free(arg); ...
1
#include <pthread.h> int memory[(2*32+1)]; int next_alloc_idx = 1; pthread_mutex_t m; int top; int index_malloc(){ int curr_alloc_idx = -1; pthread_mutex_lock(&m); if(next_alloc_idx+2-1 > (2*32+1)){ pthread_mutex_unlock(&m); curr_alloc_idx = 0; }else{ curr_alloc_idx = n...
0
#include <pthread.h> pthread_mutex_t m; pthread_cond_t cond_reset=PTHREAD_COND_INITIALIZER; int x=0; void * writer(void* arg){ int numWriter = *(int*) arg; while(1){ pthread_mutex_lock(&m); printf(" incr%d: before x=%d\\n",numWriter,x); x+=1; printf(" after x=%...
1
#include <pthread.h> int thread_count; int flag = 0; double sum = 0, my_sum = 0; long long n =100000; pthread_mutex_t mutex; void* Thread_sum(void* rank){ long my_rank = (long) rank; double factor; long long i; long long my_n = n/thread_count; long long my_first_i = my_n * my_rank; ...
0
#include <pthread.h> struct DataFlag* new_DataFlag(); struct DataFlag* new_EmptyDataFlag(); void dest_DataFlag(struct DataFlag*this); int DataFlag_set(struct DataFlag *this, char* dataToWrite); int DataFlag_waitAndSet(struct DataFlag *this, char* dataToWrite); char* DataFlag_reset(struct D...
1
#include <pthread.h> struct bbsem { pthread_mutex_t mutex; int value; }; struct bbsem * bbseminit(int val) { struct bbsem *tmp; tmp = malloc(sizeof(*tmp)); if (tmp == 0) return(0); pthread_mutex_init(&tmp->mutex, 0); tmp->value = val; return(tmp); } void bbsemdestroy(struct bbsem *bp) ...
0
#include <pthread.h> static void * thread(void *arg) { pthread_mutex_t *mtx = arg; if (pthread_mutex_isowned_np(mtx) != 0) { printf("pthread_mutex_isowned_np() returned non-zero\\n" "for a mutex held by another thread\\n"); exit(1); } return (0); } int main(int argc, char *argv[]) ...
1
#include <pthread.h> int quitflag; sigset_t mask; pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t waitloc = PTHREAD_COND_INITIALIZER; void *thr_fn(void *arg) { int err, signo; for (;;) { err = sigwait(&mask, &signo); if (err != 0) err_exit(e...
0
#include <pthread.h>extern void __VERIFIER_error(); extern void __VERIFIER_error(void); extern void __VERIFIER_assume(int); void __VERIFIER_assert(int cond) { if (!cond) { ERROR: __VERIFIER_error(); } return; } void __VERIFIER_atomic_assert(int cond) { if (!cond) { ERRO...
1
#include <pthread.h> int NUM_THREADS; long int chunk_end; long int chunk_init; pthread_mutex_t lock_x; void swapM(long int* a, long int* b) { long int aux; aux = *a; *a = *b; *b = aux; } long int divideM(long int *vec, int left, int right) { int i, j; i = left; for (...
0
#include <pthread.h> sem_t c[5]; pthread_mutex_t lock; void* func(void *y) { int valuel; int valuer; int l = (int)y; int r; sem_getvalue(&c[l], &valuel); r = (l+1)%5; sem_getvalue(&c[r], &valuer); printf("\\nThe value of left is %d", valuel); printf("\\nThe value of righ...
1
#include <pthread.h> struct increment { pthread_mutex_t lock; int record[100000]; int putn; int value; } increment = { .putn = 0, .value = 0, }; int consumer_wait(int i) { pthread_mutex_lock(&increment.lock); if (increment.putn < i) { pthread_mutex_unlock(&increment.lock); return i;...
0
#include <pthread.h> pthread_mutex_t mutex; int sum=0; void* p_func(void* p) { int ret; ret=pthread_mutex_lock(&mutex); printf( "pthread_mutex_lock ret=%d\\n" ,ret); ret=pthread_mutex_lock(&mutex); if(0!=ret) { printf("pthread_mutex_lock2 ret=%d\\n" ,ret); } printf("i am child...
1
#include <pthread.h> bool key_waiting = 0; uint8_t key_received; pthread_cond_t key_cond; pthread_mutex_t key_mutex; pthread_t key_thread_handle; void key_mode(int dir) { static struct termios oldt, newt; if (dir == 1) { tcgetattr(STDIN_FILENO, &oldt); newt = oldt; newt.c_lflag &= ~( ICA...
0
#include <pthread.h> pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t cond = PTHREAD_COND_INITIALIZER; int threads = 0; void *PrintHello(void *threadid) { long tid, i; tid = (long)threadid; usleep(500000); printf("Thread %ld tentando obter mutex!\\n", tid); ...
1
#include <pthread.h> pthread_mutex_t the_mutex; pthread_cond_t condc, condp; int buffer = 0; void* producer(void *ptr) { int i; for (i = 1; i <= 10000000; i++) { pthread_mutex_lock(&the_mutex); while (buffer != 0) pthread_cond_wait(&condp, &the_mutex); ...
0
#include <pthread.h> void *ihome_write ( void *prm) { unsigned int l_indx, no_message_to_display ; while (1) { for (l_indx = 0; l_indx < nb_Of_Output_Elements; l_indx++) { bcm2835_gpio_write(pins_out[l_indx], ((outputs_Array_Of_Elements[l_indx].value == TRUE ) ? HIGH : LOW ));...
1
#include <pthread.h> pthread_mutex_t forks[5]; void *philosopher(void* philo_id){ int *id = (int*) philo_id; while(1){ if(*id == 0){ pthread_mutex_lock(&forks[0]); printf("Philosopher %d have taken fork %d \\n", *id,*id); pthread_mutex_lock(&forks[4]); printf("Philosopher %d ha...
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#include <pthread.h> int resourceNum = 0; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t full_cond = PTHREAD_COND_INITIALIZER, empty_cond = PTHREAD_COND_INITIALIZER; void *ProducerFunc(void *pNum) { int num = (int)(pNum); while(1) { sleep(3); pt...
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#include <pthread.h> char msg[256]; int fd; pthread_mutex_t mutex; int ReadingThreads() { printf("\\n\\n********************\\nStarting device reading by TaskID: %d \\nReading from the device...\\n",pthread_self()); pthread_mutex_lock(&mutex); int ret = read(fd, msg, 256); printf("The re...
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#include <pthread.h> pthread_barrier_t barrier; pthread_mutex_t mutex=PTHREAD_MUTEX_INITIALIZER; void* next_step(void* arg) { int i, j; struct st_data* my_data=(struct st_data*)arg; int master=0; if(my_data->from_i==0) master=1; while(1) { int best_i=-1, best_j=-1, best=INFINITE; i...
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#include <pthread.h>extern void __VERIFIER_error() ; 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 *p...
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#include <pthread.h> extern char target_message[100]; extern int target_message_length; extern pthread_mutex_t targ_msg_mutex; static int begin_request_handler(struct mg_connection *conn) { mg_printf(conn, "HTTP/1.1 200 OK\\r\\n" "Content-Type: text/plain...
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#include <pthread.h> pthread_t pthread[100000]; volatile int integers[100000]; pthread_mutex_t verrou; pthread_cond_t condCrossedFirst; void* barrer(void* args) { int entier = *((int*) args); int index = entier; int fst = 1; while(index<100000) { index += entier; if(index >= 100000) b...
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#include <pthread.h> pthread_cond_t cond=PTHREAD_COND_INITIALIZER; pthread_mutex_t lock=PTHREAD_MUTEX_INITIALIZER; { struct _node* _next; int data; }_node,*_node_p,**_node_pp; _node_p alloc(int data) { _node_p _node=(_node_p)malloc(sizeof(data)); if(_node==0) { perror("malloc"); exit (0);...
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#include <pthread.h> pthread_mutex_t mutex_norm = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t CurRow_norm = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t mutex_Row = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t count_threshold_cv = PTHREAD_COND_INITIALIZER; pthread_mutex_t *mutex_Res; double NormRo...
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#include <pthread.h> struct t_WorkGroup_Type { pthread_mutex_t mutex; pthread_cond_t cond; int ready; } *t_workgroup; void* t_pipeline(void *input); void jacobi7_4(const int nx,const int ny,int nz,const double alpha,double * A0,const int timesteps,const double * B,const int ldb,double * An...
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#include <pthread.h> pthread_mutex_t mux = PTHREAD_MUTEX_INITIALIZER; struct hostent * nw_gethostbyname(const char *name, int *error) { int i; char *foo; struct hostent *ret=0, *st=0; sigset_t newmask, oldmask; ret = (struct hostent *) calloc(1, sizeof(struct hostent)); ...
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#include <pthread.h> static int glob = 0; static pthread_mutex_t mtx1 = PTHREAD_MUTEX_INITIALIZER; static pthread_mutex_t mtx2 = PTHREAD_MUTEX_INITIALIZER; static pthread_mutex_t mtx3 = PTHREAD_MUTEX_INITIALIZER; static void * threadFunc1(void *arg) { int loop = (int)(*((int*)arg)); while(loop-...
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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 f_id; struct foo *f_next; }; struct foo * foo_alloc(int id) { struct foo *fp; int idx; if ((fp = malloc(sizeof(struct foo))) != 0) { ...
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#include <pthread.h> int gt_create_thread(pthread_t *threadid,void *(*start_routine)(void *), void * arg) { int rc; pthread_attr_t attr,*at=0; if(threadid==0) return -1; memset((void*)&attr,0,sizeof(pthread_attr_t)); rc=pthread_attr_init(&attr); if(rc<0) at=0; else at=&attr; ...
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#include <pthread.h> int total_wc; pthread_mutex_t counter_lock = PTHREAD_MUTEX_INITIALIZER; int main(int ac, char *av[]){ pthread_t t1, t2; void *count_words(void*); if(ac != 3){ fprintf(stderr, "usage: %s file1 file2\\n", av[0]); exit(1); } total_wc = 0; ...
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#include <pthread.h> pthread_cond_t cond_empty, cond_full; pthread_mutex_t mutex; int count = 0, in = 0, out = 0; int contadorConsumidor = 0; int buffer[3]; void *produtor(void *arg) { while (1) { pthread_mutex_lock(&mutex); while (count == 3) pthread_cond_wait(...
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#include <pthread.h> long double sum = 0; pthread_mutex_t mutex; void *sumfun1(void *p) { int i; long double local_sum = 0; for(i = 0; i < 10000000/2; i++) { local_sum += sin(i) * sin(i) + cos(i) * cos(i); } pthread_mutex_lock(&mutex); sum += local_sum; pthread_mutex_unlock(&mutex)...
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#include <pthread.h> char* table; size_t w; int n; int c; int max; pthread_mutex_t mutex; } mt_record_struct; mt_record_struct* mtrs; static int _N_TABLES=0; static double _fill_ratio = 0.8; static int init_table(int index, size_t width, int capacity, int max_capacity); void free...
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#include <pthread.h> long long sum = 0; pthread_mutex_t mutex=PTHREAD_MUTEX_INITIALIZER; void* counting_function(void *ptr) { int offset =*(int *) ptr; for(int i=0; i<500000; i++) { pthread_mutex_lock(&mutex); sum=sum+offset; pthread_mutex_unlock(&mutex); } pthread_exit(0...
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#include <pthread.h> void* busy_wait_calculation(void* rank); void* mutex_calculation(void* rank); void* semaphore_calculation(void* rank); double f(double x); const int MAX_THREADS = 8; long long a, b, n; long flag; double h, approximation; pthread_mutex_t mutex; sem_t sema; int main(v...
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#include <pthread.h> int makethread(void* (*fn)(void*), void* arg) { int err; pthread_t tid; pthread_attr_t attr; err = pthread_attr_init(&attr); if (err != 0) return err; err = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); if (err == 0) ...
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#include <pthread.h> int start; int end; int *arr; int size; } thread_data_t; void serial_merge(int *, int, int, int, int); int partition(int *, int, int); unsigned int ONE = 1; int thread_count = 0; pthread_mutex_t mutex; void *thread_routine_split(void *arg) { pthread_mu...
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#include <pthread.h> pthread_t tids[5]; char init_flag = 0; pthread_mutex_t init_mutex = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t init_cond = PTHREAD_COND_INITIALIZER; char wait_flag = 0; pthread_mutex_t wait_mutex = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t wait_cond = PTHREAD_COND_INITIAL...
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#include <pthread.h> pthread_t thread[3]; pthread_mutex_t mut; int number=0, i, j; void *thread0() { printf ("thread0 : I'm thread 0\\n"); for (i = 0; i < 10; i++) { number++; printf("thread0 : number = %d\\n",number); } ...
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#include <pthread.h> void stack_init(stack_t* stack) { stack->top = -1; pthread_mutex_init(&stack->lock,0); stack->condVar = 0; } int stack_empty(stack_t* stack) { while(stack->condVar) { printf("Empty venter\\n");} return stack->top == -1; } void* stack_top(stack_t* stack) { while(s...
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