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#include <pthread.h> struct binary_sem * bsem_init(void) { struct binary_sem *bsem; bsem = (struct binary_sem *)malloc(sizeof(struct binary_sem)); if(bsem == 0){ printf("malloc binary semaphore failed...\\n"); return 0; } pthread_mutex_init(&bsem->mutex, 0); pthread_cond_init(&bsem->con...
1
#include <pthread.h> pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t not_empty = PTHREAD_COND_INITIALIZER; pthread_cond_t not_full = PTHREAD_COND_INITIALIZER; int num_of_cooks; int num_of_phils; struct queue { int first, last; int thread_counter_id; int data[]; }; voi...
0
#include <pthread.h> int GLOBAL = 0; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; void* affiche(void* arg) { int* num = (int*) arg; int random = (int) (10*((double)rand())/ 32767); printf("THREAD %d ; Random: %d\\n", *num, random); pthread_mutex_lock(&mutex); GLOBAL+=random; pthread_m...
1
#include <pthread.h> int write_to_buffer(struct fifo_buffer* fbuf, const char* data, int data_length) { int res = 0; int from; int first_part_size; pthread_mutex_lock(&fbuf->lock); if ( fbuf->size + data_length > MAX_FIFO_BUFFER_CAPACITY ) { res = -1; goto done; } from = (fbuf->pos ...
0
#include <pthread.h> pthread_mutex_t m[1]; pthread_cond_t c[1]; long x, y; void produce(long z) { pthread_mutex_lock(m); assert(y == z); while (x != y) { pthread_cond_wait(c, m); } y++; pthread_cond_signal(c); pthread_mutex_unlock(m); } void consume(long z) { pthread...
1
#include <pthread.h> { char estado; pthread_t thread; } filosofo_t; filosofo_t * filosofos; { char estado; pthread_cond_t cond; } garfo_t; garfo_t * garfos; int numFG = 0; pthread_cond_t chairs; int numChairs = 0; pthread_mutex_t mutex; pthread_mutex_t mutexImpressao; pthre...
0
#include <pthread.h> int thread_counter = 0; int * test_array; int i, length, t; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; void * count3s(void * arg){ int id = *((int *) arg); id--; int length_per_thread = length/t; int start = id *length_per_thread; for(i = start; i...
1
#include <pthread.h> struct s { int datum; struct s *next; }; struct s *new(int x) { struct s *p = malloc(sizeof(struct s)); p->datum = x; p->next = 0; return p; } void list_add(struct s *node, struct s *list) { struct s *temp = list->next; list->next = node; node->next = te...
0
#include <pthread.h> unsigned int seed; int n_epochs; long long int *in; } pi_params_t; pthread_mutex_t pi_update_lock; void pi_computer (void *t_params) { pi_params_t *params = (pi_params_t *) t_params; long long unsigned int i; double x, y, d; long long int in = 0;...
1
#include <pthread.h> double x, y, z; double mass; } Particle; double xold, yold, zold; double fx, fy, fz; } ParticleV; Particle * particles; ParticleV * pv; static long seed = 123456789; double global_max_f; double dt, dt_old, dt_tmp; unsigned npart, num_threads; unsigned ra...
0
#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 = (struct foo *)mallo...
1
#include <pthread.h> pthread_mutex_t lock_1 = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t lock_2 = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t lock_3 = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t lock_4 = PTHREAD_MUTEX_INITIALIZER; void* thread_one(void* arg) { (void)arg; pthread_mutex_lock(&loc...
0
#include <pthread.h> static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; unsigned long long main_counter,counter[3]={0}; void* thread_worker(void* arg) { int thread_num = *(int*)arg; free((int*)arg); for(;;) { pthread_mutex_lock(&mutex); counter[thread...
1
#include <pthread.h> int sum = 0; float max = 9.0; pthread_mutex_t mutex; void* calculer(void* arg) { int j = (int)arg; int alea = (int) (max * rand() / 32767); fprintf(stdout, "Thread %i choisit %d\\n", j, alea); pthread_mutex_lock(&mutex); sum += alea; pthread_mutex_unlock(&mutex)...
0
#include <pthread.h> volatile int progress; void nsleep (long nsec) { struct timespec sleepTime, remainingSleepTime; sleepTime.tv_sec = 0; sleepTime.tv_nsec = nsec; while (nanosleep(&sleepTime, &remainingSleepTime) != 0) sleepTime = remainingSleepTime; } void *monitor (void *p) {...
1
#include <pthread.h> pthread_t tid[2]; int counter; pthread_mutex_t lock; void* doSomeThing(void *arg) { pthread_mutex_lock(&lock); unsigned long i = 0; counter += 1; printf("\\n Job %d started\\n", counter); for(i=0; i<(100000000);i++); printf("\\n Job %d finished\\n",...
0
#include <pthread.h> int read_cnt = 0, write_cnt = 0; int write_flag = 1; pthread_mutex_t read_m, write_m, access_m; int cnt = 4; void *write_handler(void * arg); void *read_handler(void* arg); int main() { pthread_t read_tid, write_tid; srand(getpid()); pthread_mutex_init(&read_m, 0)...
1
#include <pthread.h> pthread_mutex_t garfo[5]; int state[5], pratadas; void* filosofo(void *arg) { int i; i=*((int*)arg); while(1) { printf("Filosofo %d pensando!!!\\n",i); sleep(rand()%3); if(state[i+1]==0 && state[(i+(5 -1))%5]==0) { state[i]=1; pth...
0
#include <pthread.h> pthread_t thread[2]; pthread_mutex_t mutex; pthread_cond_t threshold; int number = 0, i = 0; void *threadlock(int thread_num) { pthread_mutex_lock(&mutex); if (thread_num == 2 && number == 0){ pthread_cond_wait(&threshold, &mutex); } pthread_mutex_unlock(&mutex); ...
1
#include <pthread.h> static pthread_cond_t cond1 = PTHREAD_COND_INITIALIZER; static pthread_mutex_t mut1 = PTHREAD_MUTEX_INITIALIZER; static pthread_cond_t cond2 = PTHREAD_COND_INITIALIZER; static pthread_mutex_t mut2 = PTHREAD_MUTEX_INITIALIZER; static bool last_round; static int ntogo; static ...
0
#include <pthread.h> int motorSteps; const int stepMotorDelay = 800; const int fasMotorDelay = 800; const int delayInThread = 2000; const int maxSteps = 4000; void motor_steps(int steps, int direction) { int i; if(direction == MOTOR_STEP_FORWARD) { DEBUG0("MOTOR_STEP_FORWARD"); if(step...
1
#include <pthread.h> struct queueNode { int key; struct queueNode *next; }; struct queueHeader { struct queueNode *head; struct queueNode *tail; pthread_mutex_t h_lock; pthread_mutex_t t_lock; }; void *hwthread(void *arg); void enqueue(struct queueHeader *qh, int key); int* dequeue(s...
0
#include <pthread.h> pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t cond = PTHREAD_COND_INITIALIZER; int gnum = 1; void* thread1(void* arg) { for(;;) { printf("\\nin thread 1\\n"); pthread_mutex_lock(&mutex); sleep(1); while(gnum < 5) { printf("thread1:I'm block...
1
#include <pthread.h> void *filosofo (void *id); void pegaGarfo (int, int, char *); void devolveGarfo (int, int, char *); void pensar(int); void comer(int); int comidaNaMesa (); int numero_filosofos; pthread_mutex_t *garfo; pthread_t *filo; pthread_mutex_t comidaBloqueada; int sleep_seconds = ...
0
#include <pthread.h> double *a; double *b; double sum; int veclen; } DOTDATA; DOTDATA dotstr; pthread_t callThd[4]; pthread_mutex_t mutexsum; void *dotprod(void *arg){ int i, start, end, len ; long offset; double mysum, *x, *y; offset = (long)arg; len = ...
1
#include <pthread.h> int mThread=0; int start_main=0; pthread_mutex_t mStartLock; int __COUNT__ =0; void __VERIFIER_atomic_acquire() { pthread_mutex_lock(&mStartLock); } void __VERIFIER_atomic_release() { pthread_mutex_unlock(&mStartLock); } void __VERIFIER_atomic_thr1(int PR_CreateThread__...
0
#include <pthread.h> void mux_2_iord(void *not_used){ pthread_barrier_wait(&threads_creation); while(1){ pthread_mutex_lock(&control_sign); if(!cs.isUpdated){ while(pthread_cond_wait(&control_sign_wait,&control_sign) != 0); } ...
1
#include <pthread.h> pthread_t maleTID, femaleTID, makethreadTID1,makethreadTID2, makethreadTID3; sem_t male_count, female_count, empty; pthread_mutex_t mutex_male = PTHREAD_MUTEX_INITIALIZER, mutex_female = PTHREAD_MUTEX_INITIALIZER, mutex_thread=PTHREAD_MUTEX_INITIALIZER; int mcount, fcou...
0
#include <pthread.h> static int tcp_listen(char *ip, char *port); struct thread_pool { pthread_mutex_t mutex; pthread_cond_t cond; pthread_cond_t main_cond; pthread_t tids[4]; int connfd; int ready; void (*process)(int s); }; static int thread_pool_create(struct t...
1
#include <pthread.h> void error(char *msg) { fprintf(stderr, "%s: %s\\n", msg, strerror(errno)); exit(1); } int beers = 2000000; pthread_mutex_t beers_lock = PTHREAD_MUTEX_INITIALIZER; void *drink_lots(void *a) { int i; pthread_mutex_lock(&beers_lock); for (i = 0; i < 100000...
0
#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 (...
1
#include <pthread.h> pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t coz, can; int comidinha = 0; void* cozinheiro() { while(1) { pthread_mutex_lock(&lock); while(comidinha != 0) { pthread_cond_wait(&coz, &lock); } printf("C...
0
#include <pthread.h> int A[1000000]; int A_flag[1000000]; int n; int num_thrd; pthread_mutex_t k_threshold_mutex; pthread_cond_t k_threshold_cv; int Loaddata (int* A, int n) { FILE* ip; int i,j,temp; if ((ip=fopen("data_input","r"))==0) { printf(...
1
#include <pthread.h> struct fuse_worker { struct fuse_worker *prev; struct fuse_worker *next; pthread_t thread_id; size_t bufsize; char *buf; struct fuse_mt *mt; }; struct fuse_mt { pthread_mutex_t lock; int numworker; int numavail; struct fuse_session *se; struct fuse_chan *prevch; ...
0
#include <pthread.h> pthread_mutex_t wait; short mother_finished = 0; short check_if_full_plates(short* table_plates) { short full_plate = 0; int i; pthread_mutex_lock(&wait); for(i = 0; i < 4; i++) { if(table_plates[i] == 1) { return 1; } } pthread_mutex_unlock(&wait); return 0;...
1
#include <pthread.h> pthread_mutex_t *chopstick; void pickup(int me) { if (me == 10) { pthread_mutex_lock(&chopstick[((me + 1) % 5)]); pthread_mutex_lock(&chopstick[me]); } else { pthread_mutex_lock(&chopstick[me]); pthread_mutex_lock(&ch...
0
#include <pthread.h> static int iTThreads = 1; 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_lock...
1
#include <pthread.h> pthread_t pthread_id[2]; pthread_mutex_t mutex1, mutex2; int status; void *f_thread_1(void *ptr){ pthread_mutex_lock(&mutex1); printf("je suis le pthread 1 %d\\n",pthread_self()); pthread_exit(0); } void *f_thread_2(void *ptr){ pthread_mutex_lock(&mutex2); sleep(3); p...
0
#include <pthread.h> pthread_mutex_t mutex; void err_thread(int ret, char *str) { if (ret != 0) { fprintf(stderr, "%s:%s\\n", str, strerror(ret)); pthread_exit(0); } } void *tfn(void *arg) { srand(time(0)); while (1) { pthread_mutex_lock(&mutex); ...
1
#include <pthread.h> static int fd ; int IsBusy(void) { unsigned short wdata, rdata; wdata = 0x0200; write(fd ,&wdata,2); wdata = 0x0200 | 0x0400; write(fd ,&wdata,2); read(fd,&rdata ,2); wdata = 0x0200; write(fd,&wdata,2); if (rdata & 0x0080) return 1; return 0; } i...
0
#include <pthread.h> static int valueget=0; static char nameget='P'; struct elem{ char c; int integer; }; struct buffer{ struct elem content[16]; int readp; int writep; int counter; pthread_mutex_t bufferlocker; pthread_cond_t bufferwait; }; static struct buffer b...
1
#include <pthread.h> pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t can_write = PTHREAD_COND_INITIALIZER; pthread_cond_t can_read = PTHREAD_COND_INITIALIZER; char arr[10] = {0}; int in_pos = 0; int out_pos = 0; void* do_it_a(void* p) { char c = 'a'; for(; c <= 'z'; c++) { ...
0
#include <pthread.h> int getAleatorio(int maximo); pthread_mutex_t sum_mutex; int *arr_cuentas; int *arr_cuentas_estado; int numeroDeHilos, cantidad_tiempo_a_correr, numero_cuentas, valor_inicial; void *calcularTransferencias(){ int cuentaA=getAleatorio(numero_cuentas); int cuentaB=getAleat...
1
#include <pthread.h> struct node *next; int data; } Node; struct node *head, *tail; } Queue; void initialize_queue(void); void enqueue(int val); int dequeue(int *extractedValue); int isEmpty(); void printContent(); int sumOfAllElements(); void clearQueue(); static Queue *q; pthread_m...
0
#include <pthread.h> pthread_t id[3]; int clock_t_1=0, clock_t_2=0, clock_t_3=0; int sender = 1; pthread_mutex_t mutex_var; void *increment1(void *interval) { int *intr= (int*)interval; while(1) { sleep(2); clock_t_1 = clock_t_1 + *intr; printf("\\nClock 1 = %d\\n",clock_t_1); } }...
1
#include <pthread.h> int ActivateROEReal() { pthread_mutex_lock(&roe.mx); if(roe.active == FALSE) { } roe.active = TRUE; pthread_mutex_unlock(&roe.mx); record("ROE Active\\n"); return 0; } int deactivateReal() { pthread_mutex_lock(&roe.mx); if(roe.active == T...
0
#include <pthread.h> struct fdlist_t { uintptr_t bt[15]; int bt_depth; int fd; struct fdlist_t *next; int allocated; } ; pthread_mutex_t osal_debug_fdleak_mut = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t osal_debug_fdleak_con = PTHREAD_COND_INITIALIZER; char osal_debug_fdleak_event; ...
1
#include <pthread.h> void *thread_function(void *); char *trimr(char *); void print_usage(const char *); pthread_mutex_t mutex1 = PTHREAD_MUTEX_INITIALIZER; unsigned long int total_lines = 0; const char *filename; const char *user_process; unsigned short int max_threads = DEF_THREADS; unsig...
0
#include <pthread.h> int global_variable_count = 0; pthread_mutex_t count_mutex; pthread_cond_t count_threshold_cv; void* IncrementVariable(void *id) { int i; int threadID = (int)id; printf("Starting IncrementVariable(): thread %d\\n", threadID); for (i=0; i < 5; i++) { ...
1
#include <pthread.h> struct queue { int *v; int head; int tail; int size; int maxsize; pthread_mutex_t mutex; }; struct queue *queue_create(int maxsize) { struct queue *q = malloc(sizeof(*q)); if (q != 0) { q->v = malloc(sizeof(int)*(maxsize+1)); if (q->v == 0) { free(q); retu...
0
#include <pthread.h> void *func1 (void *arg); void *func2 (void *arg); void sig_handler (int signo); pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t cond = PTHREAD_COND_INITIALIZER; int main () { pthread_t tid[2]; struct sigaction act; sigset_t newset; bzero (&act,sizeof (...
1
#include <pthread.h> pthread_mutex_t barrier; pthread_cond_t go; int numWorkers; int numArrived = 0; void Barrier() { pthread_mutex_lock(&barrier); numArrived++; if (numArrived == numWorkers) { numArrived = 0; pthread_cond_broadcast(&go); } else { pthread_cond_wait(&go, &barr...
0
#include <pthread.h> pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; int numthreads; int increment; struct parameter { int id; int startInt; }; int id; struct node *next; }node; node *head; void insert(int id){ node *ptr,*temp; if(head == 0){ head = (node*)malloc(sizeof(nod...
1
#include <pthread.h> pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t sinalAcordaBarbeiro = PTHREAD_COND_INITIALIZER; pthread_cond_t chamaCliente = PTHREAD_COND_INITIALIZER; int costumers=0; int ocupado=0; int temCadeiraVazia(){ if (costumers<5){ return 1; } return 0; }...
0
#include <pthread.h> char* shm; pthread_mutex_t* mutex; char* attach_shm() { int fd = shm_open("/share_memory", O_RDWR|O_CREAT|O_EXCL, 0777); if(fd > 0) { ftruncate(fd, 4096); } else { fd = shm_open("/share_memory", O_RDWR, 0777); } printf("fd ...
1
#include <pthread.h> int queue, max; pthread_cond_t cond = PTHREAD_COND_INITIALIZER; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; void * producer(void *x) { int rnd; while (1) { pthread_mutex_lock(&mutex); while (queue == max) { (void) printf("Queue full, producer sleeping.\\n"...
0
#include <pthread.h> struct async_list { void **data; uint64_t count; uint64_t size; pthread_mutex_t lock; }; struct async_list * async_list_new (void) { struct async_list *l = calloc (1, sizeof (struct async_list)); if (0 == l) return 0; pthread_mutex_init (&l->lock, 0); re...
1
#include <pthread.h> pthread_mutex_t pingmtx = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t pongmtx = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t pingcv = PTHREAD_COND_INITIALIZER; pthread_cond_t pongcv = PTHREAD_COND_INITIALIZER; int minprio; int maxprio; int nrmlprio; int specprio; int main( int,...
0
#include <pthread.h> pthread_mutex_t lock; FILE *fptr; void *reader1(void *threadid) { while(1) { pthread_mutex_lock(&lock); int temp = *(int *)threadid; printf("Thread no: %d ",temp); printf("Lock accquired by reader 1\\n"); int i=0; char ch,result[100]; ch = fgetc(fptr); if ...
1
#include <pthread.h> struct SysThread { pthread_t thread; }; struct SysMutex { pthread_mutex_t mutex; }; struct SysThread *Sys_Thread_CreateThread(void (*entrypoint)(void *), void *argument) { struct SysThread *thread; int r; thread = malloc(sizeof(*thread)); if (thread) { r = pthrea...
0
#include <pthread.h> pthread_mutex_t marker_mutex; int MARKER; int maxx; int maxy; int color_lum_min = 220; int color_lum_max = 255; int color_cb_min = 0; int color_cb_max = 255; int color_cr_min = 0; int color_cr_max = 255; int blob_threshold = 2500; static struct video_listener* helipad_lis...
1
#include <pthread.h> pthread_t thread1, thread2; static pthread_mutex_t verrou1, verrou2; int var1, var2, var3; void *lire(void *nom_du_thread) { pthread_mutex_lock(&verrou1); printf("lire variable 1 = %d\\n",var1); printf("lire variable 2 = %d\\n",var2); printf("lire variable 3 = %d\\n",...
0
#include <pthread.h> pthread_mutex_t asientos_mutex[5 * 2]; int asientos[5 * 2 * 2]; void *cliente(void *arg) { int id = *(int *) arg; while (1) { int complejo; int sala; int asiento; int pos; printf("%d - .........\\n", id); u...
1
#include <pthread.h> void mutex_set_tab(pthread_mutex_t *mutex, int *ptr[], int val[], int size) { int i; i = 0; pthread_mutex_lock(mutex); while (i < size) { *ptr[i] = val[i]; i++; } pthread_mutex_unlock(mutex); return ; }
0
#include <pthread.h> pthread_mutex_t mutex_lock = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t thread_cond = PTHREAD_COND_INITIALIZER; pthread_cond_t thread_cond2 = PTHREAD_COND_INITIALIZER; struct com_data { int a; int b; }; struct com_data mydata; void *do_write(void *data) { mydata....
1
#include <pthread.h> static pthread_mutex_t lock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP; static pthread_cond_t wait = PTHREAD_COND_INITIALIZER; static void* _thread1(void *__u ) { printf("1: obtaining mutex\\n"); pthread_mutex_lock(&lock); printf("1: waiting on condition variable\\n...
0
#include <pthread.h> extern const unsigned short g_server_port; pthread_t g_listener_thread = 0; pthread_mutex_t g_client_handle_mutex = PTHREAD_MUTEX_INITIALIZER; static void *agt_listener_thread(void *params) { struct sockaddr_in local; struct sockaddr remote; int sock, con, remote_len; ...
1
#include <pthread.h> int a = 0; int b = 0; pthread_mutex_t mutex_a; pthread_mutex_t mutex_b; void *another(void *arg) { pthread_mutex_lock(&mutex_b); printf("in child thread, got mutex b, waiting for mutex a\\n"); sleep(5); ++b; pthread_mutex_lock(&mutex_...
0
#include <pthread.h> char queue [5] ; int front = 0 , rear = 0 ; int items = 0 ; int done = 1 ; pthread_mutex_t mutex ; pthread_cond_t item_available ; pthread_cond_t space_available ; void * p_thread() ; void * c_thread() ; int main(int argc, char *argv[]) { pthread_t producer , consumer; ...
1
#include <pthread.h> int num_philosophers; pthread_mutex_t stdout_mutex; pthread_mutex_t random_mutex; pthread_mutex_t *fork_mutex; pthread_t *philosophers; void * xmalloc (size_t n) { void *p = malloc (n); if (! p) { fprintf (stderr, "out of memory\\n"); exi...
0
#include <pthread.h> int x = 0; pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER; void *thread_func (void * arg) { while(1) { pthread_mutex_lock(&mut); x=5; x+=10; printf("x is %d in thread %lu\\n",x,pthread_self()); sleep(1); pthread_mutex_unlock(&mut); } } int main() { pthread_...
1
#include <pthread.h> struct stack { char x[PTHREAD_STACK_MIN]; }; static pthread_mutex_t mutex[(503)]; static int data[(503)]; static struct stack stacks[(503)]; static void* thread(void *num) { int l = (int)num; int r = (l+1) % (503); int token; while(1) { pt...
0
#include <pthread.h> { double *a; double *b; double sum; int veclen; int numthrds; } DOTDATA; DOTDATA dotstr; pthread_t callThd[2]; pthread_mutex_t mutexsum; void *dotprod(void *arg) { int i, start, end, len, numthrds, myid; long mythrd; double mysum, *...
1
#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_th(const char *name) { int i, len;...
0
#include <pthread.h> pthread_mutex_t g_TrackMutex; int isMutexInit = 0; int isLogged = 0; void track(const char* fun_name, int fun_line, const char *format,... ) { va_list args; struct tm *pstTm; FILE *pFILE = 0;; long lClock; char cMsg[256] = {'\\0'}; char cString[128] = {'\\0'}; if(...
1
#include <pthread.h> const char *names[5] = { "Aristotle", "Kant", "Spinoza", "Marx", "Russell" }; pthread_mutex_t forks[5]; const char *topic[5] = { "Spaghetti!", "Life", "Universe", "Everything", "Bathroom" }; void print(int y, int x, const char *fmt, ...) { static pthread_mutex_t scree...
0
#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(st...
1
#include <pthread.h> static int next_free_id = 1; struct poll_record *head = 0; pthread_mutex_t list_mutex; char *lock_owner = 0; void pr_init() { pthread_mutexattr_t attr; if (pthread_mutexattr_init(&attr)) perror("ERROR => Error attempting to init mutexattr. The error was:"); if (pthr...
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#include <pthread.h> int smoother_init(struct smoother_t *smoother) { int rc; smoother->pos = 0; smoother->ready = 0; rc = pthread_mutex_init(&(smoother->mtx), 0); return rc; } void smoother_push(struct smoother_t *smoother, float timestamp, float value) { pthread_mutex_lock(&(smo...
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#include <pthread.h> pthread_mutex_t sum_mutex1; int a[1000], sum; void initialize_array(int *a, int n) { int i; for (i = 1; i <= n; i++) { a[i-1] = i; } } void print_signal(int signum) { printf("Signalll.... : signal number : %d\\n", signum); } void *thread_add(void *...
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#include <pthread.h> pthread_t thread[2]; pthread_mutex_t mut; int number=0, i; void *thread1() { printf ("thread1 : I'm thread 1\\n"); for (i = 0; i < 10; i++) { printf("thread1 : number = %d\\n",number); pthread_mutex_lock(&mut); ...
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#include <pthread.h> buffer_item buffer[5]; int insert_item(buffer_item item) { for (int i = 0; i < 5; i++) { if(buffer[i] == -1){ buffer[i] = item; printf ("producer produced %d\\n", item); return 0; } } return -1; } int remove_item(buffer_item *item) { for (int i = 0; i < ...
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#include <pthread.h> double x[100]; int tid[100 -1]; pthread_mutex_t mutex[100]; pthread_mutex_t mSwap; pthread_barrier_t barrier; int globalSwap = 1; int run = 1; void threadSwap(void* args) { int index = (int)(*args); int swap = 0; double help; while(run) { swap = 0; pthrea...
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#include <pthread.h> int in = 0; int out = 0; int buff[30] = {0}; sem_t empty_sem; sem_t full_sem; pthread_mutex_t mutex; int product_id = 0; int prochase_id = 0; void print() { int i; for(i = 0; i < 30; i++) printf("%d ", buff[i]); printf("\\n"); } void *product() { ...
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#include <pthread.h> pthread_mutex_t count_mutex = PTHREAD_MUTEX_INITIALIZER; int count = 0; char argv_g[3][20] = {0}; void open_file(FILE **fp1, FILE **fp2) { *fp1 = fopen(argv_g[1], "r"); if(0 == *fp1) { printf("open file %s error", argv_g[1]); exit(1); } *fp2 = fopen(argv_g[2], "r...
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#include <pthread.h> struct product_cons { int buffer[5]; pthread_mutex_t lock; int readpos, writepos; pthread_cond_t notempty; pthread_cond_t notfull; }buffer; void init(struct product_cons *p) { pthread_mutex_init(&p->lock, 0); pthread_cond_init(&p->notempty, 0); pthrea...
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#include <pthread.h> static void process_function_actual(int job_type); static int process_judege(struct Job *job); static void debug_print_file(struct Job *current_job,char *subpath); static void debug_write_data(char file[],char *data,int data_length); static void *process_function(void *); sta...
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#include <pthread.h> int total_chars = 0; int total_words = 0; char *lines[8]; pthread_mutex_t lines_mutex; bool producer_finished = 0; char *take() { int i; char *ret = ""; if (*lines[0] != '\\0') { pthread_mutex_lock(&lines_mutex); for (i=8; i>0; --i) { if (*lines[i-1] != '...
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#include <pthread.h> pthread_mutex_t the_mutex; pthread_cond_t cond_consumer, cond_producer; int buffer = 0; void* producer(void *ptr) { int i; for (i = 1; i <= 10; i++) { pthread_mutex_lock(&the_mutex); while(buffer != 0) { pthread_cond_wait(&cond_producer, &the_...
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#include <pthread.h> struct queue { int a; int available; int arr[20]; int front; int count; int inserted; int deleted; pthread_mutex_t mutex; pthread_cond_t produce_more; pthread_cond_t consume_more; }; void do_some_work(int); int done = 0; int que...
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#include <pthread.h> time_t start; volatile unsigned long time_to_exe; volatile int n_cats = 0; volatile int n_dogs = 0; volatile int n_birds = 0; volatile int cats = 0, dogs = 0, birds = 0; volatile int tot_cats = 0, tot_dogs = 0, tot_birds = 0; struct monitor_vars{ pthread_mutex_t lock; pthrea...
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#include <pthread.h> pthread_mutex_t global_mutex ; int global = 0; void handle_signal(int param) { printf("received signal %d\\n", param); pthread_mutex_lock(&global_mutex); global ++; pthread_mutex_unlock(&global_mutex); } void handle_signal_user1(int param) { printf(...
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#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(err, "sigwait failed"...
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#include <pthread.h> double ni = 0; int numOfThreads; int numOfReps; double threadReps; pthread_mutex_t mutex; void *best(void *i) { double id = atof(i); double region = 1.0/ numOfThreads; double start = id * region; double stop = start + region; double step = 1.0 / threa...
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#include <pthread.h> { unsigned char status; char data[32]; }Block_Info; pthread_mutex_t gmutex = PTHREAD_MUTEX_INITIALIZER; Block_Info memory_block_arr[8]; static int initindicator = 0; int init() { pthread_mutex_lock(&gmutex); if (0 == initindicator) { memset(memory_block_arr, 0, 8...
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#include <pthread.h> pthread_mutex_t chopstick[5]; void pickup(int me) { if ((me%5) == 0) { pthread_mutex_lock(&chopstick[(((me)+1)%5)]); pthread_mutex_lock(&chopstick[me]); } else { pthread_mutex_lock(&chopstick[me]); pthread_mutex_loc...
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#include <pthread.h> struct buttonControl { pthread_mutex_t mutexPtr; bool buttonState; bool takePhoto; int exitCount; bool exitCountReached; } buttonControl; void *myButtonPoll(void *voidButtonControl) { struct buttonControl *buttonControl = voidButtonCon...
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#include <pthread.h> void error(char *msg) { perror(msg); exit(1); } struct file_desc { int sock_fd_no; struct file_desc * next; }; struct file_desc *top; struct file_desc *current; struct file_desc *fd_new; struct file_desc *temp; int requests=0,flag=1; pthread_mutex_t mutex;...
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#include <pthread.h> int q[5]; 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 < 5) ...
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#include <pthread.h> pthread_mutex_t opr_mutex = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t condition_cond = PTHREAD_COND_INITIALIZER; pthread_mutex_t condition_mutex = PTHREAD_MUTEX_INITIALIZER; int avail[1000]; int draw[1000]; int avail_len = 1000; int draw_len = 0; int lucky_num = 0; void *init...
0