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#include <pthread.h> struct msg { struct msg *m_next; char *data; }; struct msg *workq; pthread_cond_t qready = PTHREAD_COND_INITIALIZER; pthread_mutex_t qlock = PTHREAD_MUTEX_INITIALIZER; void process_msg(int thread) { struct msg *mp; for (;;) { pthread_mutex_lock(&qlock); ...
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#include <pthread.h> char** field; char** new_field; int n, m; int total_number_of_threads; int total_number_of_iterations; struct segment_t* segments; pthread_t* threads; char* finished_treads; int number_of_finished_treads; pthread_mutex_t mutex; pthread_cond_t conditional; int number_of_acti...
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#include <pthread.h> struct ID_object{ int objID; struct position *pos; }; pthread_mutex_t obj_lock; static struct ID_object *obj_list; void set_num_obj(int num){ if (pthread_mutex_init(&obj_lock, 0) != 0){ pexit("Mutex init failed: "); } if ((obj_list = calloc(num ,sizeof(str...
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#include <pthread.h> pthread_mutex_t lock; long long int *MatrixA,*MatrixB,i,j,k,nRows,nThread,offset; long long int sum=0; void * multiply(void *arg) { long long int row=*(long long int*)arg; long long int mysum=0; int i; for(i=0;i<offset;i++) mysum=mysum+MatrixA[row*offset+i]*MatrixB[row*offs...
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#include <pthread.h> static char encoding_table[] = {'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd'...
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#include <pthread.h> struct arg_set{ char *fname; int count; }; struct arg_set * mailbox; pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t flag = PTHREAD_COND_INITIALIZER; int main(int argc, char *argv[]) { pthread_t t1, t2; struct arg_set args1, args2; ...
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#include <pthread.h> struct fuse_session *fuse_session_new(void) { struct fuse_session *se = (struct fuse_session *) malloc(sizeof(*se)); if (se == 0) { fprintf(stderr, "fuse: failed to allocate session\\n"); return 0; } memset(se, 0, sizeof(*se)); return se; } void fuse_session_add_c...
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#include <pthread.h> static pthread_mutex_t mallocMutex; void initMeMalloc() { pthread_mutex_init(&mallocMutex, 0); } void deinitMeMalloc() { pthread_mutex_destroy(&mallocMutex); } void *MeAlloc( long nbytes, const char *file, int line ) { void *ptr = ( void * )malloc( nbytes ); if ( ptr ==...
0
#include <pthread.h> { void *(*process) (void *arg); void *arg; struct worker *next; } CThread_worker; { pthread_mutex_t queue_lock; pthread_cond_t queue_ready; CThread_worker *queue_head; int shutdown; pthread_t *threadid; int max_thread_num; ...
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#include <pthread.h> int array[4]; int array_index = 0; pthread_mutex_t mutex; void *thread(void * arg) { pthread_mutex_lock(&mutex); array[array_index] = 1; pthread_mutex_unlock(&mutex); return 0; } void *main_continuation (void *arg); pthread_t t[4]; int main() { int i; ...
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#include <pthread.h> void *fetch_data(void *filename); void exit_handler (int sigNum); int file_request_count; float file_access_time; pthread_mutex_t count_lock; pthread_mutex_t avg_lock; int main() { pthread_t thread1; int status; char cmd[80]; srand(time(0)); signa...
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#include <pthread.h> { struct node *next; } node; { node *head; node *tail; pthread_mutex_t GlobalLock; } queue; void Queue_Init(struct queue *q); void Queue_Enqueue(struct queue *q); int Queue_Dequeue( struct queue *q); void* Thread_Enqueue(void *q); void* Thread_Dequeue(void *q); int ma...
0
#include <pthread.h> char buf[1] = {0}; pthread_mutex_t rlock = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t wlock = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t can_read = PTHREAD_COND_INITIALIZER; pthread_cond_t can_write = PTHREAD_COND_INITIALIZER; void* write_buf(void * p) { char c; int i = 0; ...
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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 = PHTREAD_MUTEX_INITIALLIZER; extern char **environ; static void thread_init() { pthread_key_create(&key, free); } char *getenv(const char *name) { int i, len; char *...
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#include <pthread.h> pthread_t philosopher[5]; pthread_mutex_t chopstick[5] = {PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER}; struct philosopher_t { int nr; int left; ...
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#include <pthread.h> static inline struct msglist *get_msglist(struct threadqueue *queue) { struct msglist *tmp; if(queue->msgpool != 0) { tmp = queue->msgpool; queue->msgpool = tmp->next; queue->msgpool_length--; } else { tmp = (struct msglist *)malloc(...
0
#include <pthread.h> struct signal { int active; pthread_mutex_t mutex; sem_t semaphore; }; static struct signal sig; void* thread (void* param) { sleep(5); pthread_mutex_lock(&sig.mutex); sig.active = 1; pthread_mutex_unlock(&sig.mutex); sem_post(&sig....
1
#include <pthread.h> void *hit(void *); float elapsed_time_msec(struct timespec *, struct timespec *, long *, long *); long num_hits=0, num_threads=0; pthread_mutex_t mutex; int main (int argc, char *argv[]) { float pi; pthread_t tid[32]; int i, myid[32]; struct timespec t0, t1; unsig...
0
#include <pthread.h> pthread_mutex_t mutex; sem_t full; sem_t empty; char bufferpool[5][100]; int in = 0; int out = 0; pthread_t producers[3]; pthread_t consumers[4]; void* produce(void* args); void* consume(void* args); FILE* file; int t[4]={1,2,3,4}; int main(){ pthread_mutex_init(&mu...
1
#include <pthread.h> struct pair_count { short pair; int count; }; pthread_mutex_t mutex; struct pair_count pc[100000]; int pair_num = 0; int find_pair(short* pair) { int i; for (i = 0; i < pair_num; i++) { if (pc[i].pair == pair) return i; } return -1; } void add_pair(short* pa...
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#include <pthread.h> long long sum; pthread_mutex_t sumLock; int gcd(int a, int b) { return a < b ? gcd(b, a) : b == 0 ? a : gcd(b, a % b); } int phi(int n) { int i, r = 0; for( i=1; i<n; i++ ) if ( gcd(n, i) == 1 ) r++; return r; } void* threadRoutine(void* arg) { ...
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#include <pthread.h> pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t cond = PTHREAD_COND_INITIALIZER; void *producer(void *arg) { long int i; long int loops = (long int)arg; for (i=0; i<loops; i++) { pthread_mutex_lock(&mutex); if (buffer_is_full()) pt...
0
#include <pthread.h> pthread_mutex_t stats_lock = PTHREAD_MUTEX_INITIALIZER; int mean, samples, total; void *report_stats(void *p) { int caught; sigset_t sigs_to_catch; printf("\\nreport_stats() started.\\n"); sigemptyset(&sigs_to_catch); sigaddset(&sigs_to_catch, SIGUSR1); for ...
1
#include <pthread.h> struct list_head { struct list_head *next ; struct list_head *prev ; }; struct s { int datum ; struct list_head list ; }; struct cache { struct list_head slot[10] ; pthread_mutex_t slots_mutex[10] ; }; struct cache c ; static inline void INIT_LIST_HEAD(struct ...
0
#include <pthread.h> pthread_cond_t cond_var = PTHREAD_COND_INITIALIZER; pthread_mutex_t mutex; int num_str=1, flag=0; void* thread_func_writer(void * arg){ char str[30]; time_t cur_time; struct tm * tv; int i, try_lock, fd; int len_str; if ((fd = open("./File.txt", O_RDWR | O_CREAT, 0744...
1
#include <pthread.h> struct cycle_buf_t { uint32_t size; uint32_t in; uint32_t out; uint8_t *buf; pthread_mutex_t rw_lock; }; static struct cycle_buf_t* cycle_init(void) { struct cycle_buf_t* cycle_p; cycle_p = calloc( 1, sizeof(*cycle_p) ); if ( !cycle_p ) { exit( 1 ); } cycle_p->b...
0
#include <pthread.h> int id, eat_count; pthread_t thread; struct fork *right_neighbor, *left_neighbor; }ph; int num; pthread_mutex_t mutex; }fr; void* ph_life(ph* p){ srand(time(0)); int i = 0; for(i = 0; i < p -> eat_count; ++i){ printf("philosopher %d is sleep \\n", p->id); sleep(ra...
1
#include <pthread.h> int balance = 1000; int credits = 0; int debits = 0; pthread_mutex_t lock; void * transactions(void * args){ int i,v; for(i=0;i<100;i++){ pthread_mutex_lock(&lock); v = (int) random() % 100; if( random()% 2){ balance = balance + v; ...
0
#include <pthread.h> { int count; int *array; }arr_num; double shared_x; pthread_mutex_t lock_x; void swap(int* a, int* b) { int aux; aux = *a; *a = *b; *b = aux; } int divide(int *vec, int left, int right) { int i, j; i = left; for (j = left + 1; ...
1
#include <pthread.h> pthread_mutex_t mutex; int counter = 0; void* justAnotherFunction(void* arg) { long threadID = (long) arg; pthread_mutex_lock(&mutex); counter++; pthread_mutex_unlock(&mutex); pthread_exit((void*) threadID); } int main() { long tID; int r...
0
#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 = 0; int signo = 0; while(1) { err = sigwait(&mask, &signo); if (err !=...
1
#include <pthread.h> static char Message_Buffer[10000]; static pthread_mutex_t Si_Ui_Mutex; static int Message_Pos; static char Message_String[SI_UI_MAX_MESSAGE_SIZE]; static char Command_Delim; void si_ui_init(void) { Command_Delim = ';'; si_comm_open(); pthread_...
0
#include <pthread.h> int rbuf_writeto(struct io_params *iop) { struct rbuf_entry *w_ptr; int i, r; w_ptr = iop->rbuf_p; if (pthread_mutex_lock(&w_ptr->lock) != 0) log_die("pthread_mutex_lock locking error %d"); pthread_mutex_lock(&iop->listlock); *iop->listready = 1; pthread_mutex_unloc...
1
#include <pthread.h> pthread_mutex_t barrier; pthread_mutex_t minBarrier; pthread_mutex_t maxBarrier; pthread_mutex_t rowBarrier; int numWorkers; int sum; int nextRow = 0; int value; int xIndex; int yIndex; } MINMAX; MINMAX min; MINMAX max; double read_timer() { static bool init...
0
#include <pthread.h> struct data { int *a; int *b; int len; int offset; int sliceSt; int sliceEnd; long *myList; }; pthread_t threads[1]; pthread_mutex_t mutex_sum; double sum; void *dot(void *arg) { int i; int start; int end; struct data *d = (struct data*) arg; pthread_mu...
1
#include <pthread.h> static int next_rank = 0, next_tid = 0; static pthread_key_t datakey; static pthread_t tids[P5_MAX_THREADS]; static pthread_mutex_t dprintf_lock; static void freedata(void *); static void freedata(void *p) { free(p); } void p5_init(int flag) { int *p; if (flag)...
0
#include <pthread.h> double mivta[5][31]; double totalgral=0.0; double totalsuc[5]; void *sumoVentas(void *sucursalid); void *cargoVentas(void *); pthread_mutex_t cargada_mutex1; pthread_mutex_t cargada_mutex[5]; int cargadas[5]; pthread_cond_t sucursales[5]; int main (int argc, char *argv[]...
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<(0xFFFFFFFF); i++); printf("\\n Job %d finis...
0
#include <pthread.h> static pthread_key_t key; static pthread_once_t init_done = PTHREAD_ONCE_INIT; static 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) { ...
1
#include <pthread.h> static char db_root[256]; static char homedir[256]; static char import_root[256]; static char import_homedir[256]; static volatile bool stop = 0; static volatile bool exec = 0; static volatile bool quit = 0; static volatile bool timeout_enable = 1; pthread_mutex_t mutex; i...
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)); int ret; while (1) { if((ret=pthread_mut...
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#include <pthread.h> struct process_fcgs { char * name; int line; int (*func) (void *); void * arg; double init; struct process_fcgs * next; }; static ProcessFCFS head; static int init = 0; static int running = 0; static pthread_mutex_t head_lock; static pthread_mutex_t ...
0
#include <pthread.h> buffer_item buffer[10]; int insertnum,removenum,all; pthread_mutex_t mutex; sem_t mo1,mo2; sem_t empty; sem_t full; int cnt; void *monitoring(void *para) { while(1) { sem_wait(&mo2); printf("Acknowledge no : %d -> count==:%d\\n",++all,cnt); sem...
1
#include <pthread.h> char * TimeStr[4] = {"2/4", "3/4", "4/4", "6/8"}; int main(void) { char c; int success; run = False; keepgoing = 1; success = init_LED (); if (success == -1) return -1; init_KEY (); status = 3; location = 0; tempo = 90; run = False; printf (...
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#include <pthread.h> pthread_once_t once = PTHREAD_ONCE_INIT; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; void ofunc(void); void* threadfunc(void *); void cleanup(void *); void handler(int, siginfo_t *, void *); int main(int argc, char *argv[]) { pthread_t thread; struct sigaction act...
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#include <pthread.h> int ** bigmatrix; int r = 5; int c = 5; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t cond = PTHREAD_COND_INITIALIZER; int ** AllocMatrix(int r, int c) { int ** a; int i; a = (int**) malloc(sizeof(int *) * r); assert(a != 0); for (i = 0; i <...
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#include <pthread.h> int process_var3(char* input_path, char* output_path) { struct sigaction sa; memset (&sa, 0, sizeof(sa)); sa.sa_handler = &timer_handler; sigaction (SIGALRM, &sa, 0); struct itimerval timer; timer.it_value.tv_sec = 0; timer.it_value.tv_usec = 1000;...
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#include <pthread.h> sem_t wrt; int read_cnt = 0; pthread_mutex_t mutex; FILE * Wp; struct file_id { FILE *Rp; }; struct file_id * file_array; void * writer(void *param){ char c[2]; while(1){ c[0] = rand()%94+32; c[1] = '\\0'; sem_wait(&wrt); fwrite(c,sizeof(char),1,Wp); ...
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#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 = dotstr.veclen; sta...
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#include <pthread.h> void initLoadAdaptation() { pthread_mutex_init(&ionum_mutex, 0); pthread_mutex_init(&worknum_mutex, 0); pthread_mutex_init(&clientsconn_mutex, 0); pthread_mutex_init(&inputworks_mutex, 0); clients_connected = 0; input_works = 0; iothreads_num = 0; workerthreads_num...
0
#include <pthread.h> pthread_mutex_t mcount; pthread_cond_t mcount_threshold; void get_memory_from_pool ( void *ptr ); void put_memory_into_pool ( void *ptr ); { int thread_no; int mem_count; } meminfo; void init_mem_info(struct mem_info * m) { m->mem_count = 100 ; } int ma...
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#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) {...
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#include <pthread.h> pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; sem_t blanks; sem_t datas; int ringBuf[30]; void *productRun(void *arg) { int i = 0; while(1) { sem_wait(&blanks); int data = rand()%1234; ringBuf[i++] = data; i %= 30; printf("product is done... data...
1
#include <pthread.h> int counter; pthread_mutex_t counter_mutex = PTHREAD_MUTEX_INITIALIZER; void *doit( void * ); int main( int argc, char **argv ) { pthread_t tidA, tidB; pthread_create( &tidA, 0, doit, 0 ); pthread_create( &tidB, 0, doit, 0 ); pthread_join( tidA, 0 ); pthread_join( ...
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 == ...
1
#include <pthread.h> struct list_head { struct list_head *next ; struct list_head *prev ; }; struct s { int datum ; struct list_head list ; }; struct cache { struct list_head slot[10] ; pthread_mutex_t slots_mutex[10] ; }; struct cache c ; static inline void INIT_LIST_HEAD(s...
0
#include <pthread.h> static struct usb_device *current_device = 0; static char hidraw_path[20]; static int hidraw_fd = -1; static pthread_mutex_t device_mutex = PTHREAD_MUTEX_INITIALIZER; static pthread_cond_t device_cond = PTHREAD_COND_INITIALIZER; static int usbdevice_added(const char *de...
1
#include <pthread.h> static unsigned int avail = 0; static int work_pipe[2]; static pthread_mutex_t mtx_work = PTHREAD_MUTEX_INITIALIZER; static pthread_cond_t cond = PTHREAD_COND_INITIALIZER; static unsigned int producers = 10000; unsigned int random_uint(unsigned int max) { float tmp...
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#include <pthread.h> int n=0; pthread_mutex_t mylock = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t qready = PTHREAD_COND_INITIALIZER; void* thread_func(void* arg) { int param = (int) arg; char c='A'+param; int ret, i=0; for(; i < 10; i++) { pthread_mutex_lock(&mylock); ...
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#include <pthread.h> void *snapshot_fun() { int cmd; while(1) { pthread_mutex_lock(&mutex_snapshot); pthread_cond_wait(&cond_snapshot,&mutex_snapshot); cmd = msg.cmd; pthread_mutex_unlock(&mutex_snapshot); switch(cmd) { case SNAPSHOT_ON: system("killall mjpg_stre...
0
#include <pthread.h> pthread_mutex_t monitor; pthread_cond_t red[5]; int fork[5]={1,1,1,1,1}; char philosophers[5]={'O','O','O','O'}; void think() { sleep(3); } void eat (int n){ int i; pthread_mutex_lock(&monitor); philosophers[n]='o'; while (fork[n]==0 || fork[(n+1)%5]==0){...
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#include <pthread.h> int g_buff[3]; int g_write_index = 0; int g_read_index = 0; pthread_mutex_t lock; pthread_cond_t consume_cond, produce_cond; void* produce(void *ptr){ int idx = *(int*)ptr; printf("in produce %d %d %d\\n",idx, g_write_index, g_read_index); while(1){ p...
0
#include <pthread.h> pthread_mutex_t finish_mutex; pthread_cond_t finish_condvar; int pool = 1; int arsize = 10000; void* single (void*); int rs = 0; int bs = 0; int main (int argc, char** argv) { int i, sum1, sum2; struct sync_queue_t queue; struct params *stp; counter = 0; ...
1
#include <pthread.h> void *philosopher (void *id); int food_on_table (); pthread_mutex_t chopstick[5]; pthread_mutex_t food_lock; pthread_t philo[5]; int sleep_seconds = 0; int main (int argn, char **argv) { long i; if (argn == 2) sleep_seconds = atoi (argv[1]); pthread_mutex_in...
0
#include <pthread.h> struct thread_args { int tid; int inc; int loop; }; int count = 0; pthread_mutex_t count_mutex; void *inc_count(void *arg) { int i,loc; struct thread_args *my_args = (struct thread_args*) arg; loc = 0; { for (i = 0; i < my_args->lo...
1
#include <pthread.h> void *area_thread ( void *arg ); double integral ( double h ); double ntr; double nt; double area = 0.0; double ls = 4.0; double li = 0.0; pthread_mutex_t *flag_mutex; int main ( int argc, char **argv ) { ntr = atoi ( argv[1] ); nt = atoi ( argv[2] ); ...
0
#include <pthread.h> struct thread_info{ int id; int reader_or_writer; int resource_id; int arrive_t; int burst_t; }; struct thread_pool{ int value; pthread_mutex_t wl; pthread_mutex_t rl; pthread_mutex_t can_read; pthread_mutex_t can_write; int w_number; int r_number; }; int number;...
1
#include <pthread.h> int g_num = 0; int nNum = 0; int nLoop = 0; { int numID; }threadID; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; void *pthread_routine(void *arg) { threadID tmp = *(threadID *)arg; pthread_mutex_lock(&mutex); ++g_num; printf("tid = %d, g_num = %d, tmp.numID = %d...
0
#include <pthread.h> static pthread_mutex_t getservby_mutex = PTHREAD_MUTEX_INITIALIZER; static int convert (struct servent *ret, struct servent *result, char *buf, int buflen) { int len, i; if (!buf) return -1; *result = *ret; len = strlen (ret->s_name) + 1; if (len > bufle...
1
#include <pthread.h> pthread_mutex_t barrier_mutex = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t barrier_cond = PTHREAD_COND_INITIALIZER; pthread_mutex_t alive_mutex = PTHREAD_MUTEX_INITIALIZER; int barrier_count = 0; int barrier_id = 0; pthread_t *threads; int nb_threads; int threads_per_row; int ...
0
#include <pthread.h> static pthread_t thread; static pthread_cond_t r_cond; static pthread_mutex_t r_mutex; struct ring_buffer { int buffer[8]; int head; int tail; }; void put_value(rbuf *r, int *value) { int align = sizeof(r->buffer) / sizeof(int); r->head = r->head % alig...
1
#include <pthread.h> pthread_mutex_t my_mutex; int my_count; void *thread_function(void *ptr ); void my_increment_count_function() { pthread_mutex_lock(&my_mutex); my_count = my_count + 1; pthread_mutex_unlock(&my_mutex); } int my_fetch_count_function() { int count; count = my_coun...
0
#include <pthread.h> static pthread_mutex_t logLock; int bhdapp_logging_init(void) { int rv = 0; FILE *fp; rv = pthread_mutex_init(&logLock, 0); _BHDAPP_ASSERT_NET_ERROR( (rv == 0), "BHDAPP : Error creating logging mutex \\n"); fp = fopen(BHDAPP_COMMUNICATION_LOG_FILE_NE...
1
#include <pthread.h> { double *a; double *b; double sum; int veclen; } DOTDATA; pthread_mutex_t mutexsum; DOTDATA dotstr; void *dotprod(void *arg) { int i, start, end, len ; long offset; double mysum, *x, *y; offset = (long)arg; len = dotstr.veclen; start = offs...
0
#include <pthread.h> double* x; double* c; double** A; double* y; int n; int t; int threadCount; int type; int barrierCount = 0; pthread_mutex_t lock; pthread_cond_t cond; pthread_barrier_t barrier; int* getRange(int myrank, int n, int p) { int quotient = n / p; int remainder = n % p; in...
1
#include <pthread.h> pthread_mutex_t locka, lockb, lockc, lockd, locke, lockf, lockg, lockh, locki; sem_t semi,sema,semb,semc,semd,semef,semg,semh,semi; void *fa(void *arg){ pthread_mutex_lock(&locka); fprintf(stdout,"a"); pthread_mutex_unlock(&lockb); pthread_mutex_unlock(&lockc); pthre...
0
#include <pthread.h> pthread_mutex_t forks[5]; sem_t philosopherGoEat[5]; pthread_mutex_t fork_status; bool fork_available[5]; bool canEat(bool fork1_available, bool fork2_available){ if(fork1_available ==1 && fork2_available == 1){ fork1_available = 0; fork2_available = 0; return 1; }...
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#include <pthread.h> pthread_cond_t conditionVar; pthread_mutex_t mutex; void *thread1CallBack(void *arg) { pthread_mutex_lock(&mutex); printf("hello\\n"); pthread_cond_wait(&conditionVar, &mutex); int *tmp = (int *)arg; printf("thread 1 is runing\\n"); printf("thread 1 get ...
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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> int thread_count; pthread_mutex_t mutex; double sum = 0; int n = 1024; void * threadSum (void * rank){ long my_rank = (long) rank; double factor; long long i; long long myN = n/thread_count; long long myFirstI = myN * my_rank; long long myLastI = myFir...
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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 void * threadFunc1(void *arg) { int loop = (int)(*((int*)arg)); while(loop-- >0){ pthread_mutex_lock(&mtx1); pthread_mutex_lock...
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#include <pthread.h> int global_int; pthread_mutex_t lock; pthread_cond_t cond; void *fn_1(void *args){ pthread_mutex_lock(&lock); while(global_int != 999) pthread_cond_wait(&cond, &lock); printf("fn1: read global_int: %d\\n", global_int); global_int++; printf("fn1:...
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#include <pthread.h> pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; sem_t blanks; sem_t datas; int ringBuf[30]; void *productRun(void *arg) { int i = 0; while(1) { sem_wait(&blanks); int data = rand()%1234; ringBuf[i++] = data; i %= 30; printf("product is done... data...
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#include <pthread.h> PROCESS process; void* arg; struct worker *next; }CThread_worker; pthread_mutex_t queue_lock; pthread_cond_t queue_ready; CThread_worker * queue_head; pthread_t *threadid; int max_threads; int cur_queue_len; int shutdown; }CThread_pool; static CThread_pool ...
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#include <pthread.h> static volatile int run_flag = 1; pthread_mutex_t m ; pthread_cond_t c = PTHREAD_COND_INITIALIZER; pthread_cond_t w = PTHREAD_COND_INITIALIZER; int done=0; int sent=1; float pitch_buffer[151]; float roll_buffer[151]; float avg_val[2]={0,0}; void do_when_interrupted() { ru...
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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\\n"); pthread_mutex_unlock(&mutex); pthread_mutex_unlock(&mutex); pthread_exit(0); } int main() { int ret; pthread_mutexattr_t ...
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#include <pthread.h> int CADEIRAS; int TIMEWAIT_MAX; volatile int running = 1; pensar, fome, comer, } Filosofos; void rel(int filosofo, int comeu,int pensou,int tentou); int Filosofos_esquerda(int filo_n); int Filosofos_direita(int filo_n); void *Filosofos_checkin(void *filo); pthr...
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#include <pthread.h> static pthread_mutex_t mut_num = PTHREAD_MUTEX_INITIALIZER; static pthread_cond_t cond_num = PTHREAD_COND_INITIALIZER; static int num = 0; static int next(int a) { if (a + 1 == 4) return 0; return a + 1; } void *thr_func(void *arg) { int i = (int)arg; char ch = i + '...
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#include <pthread.h> int somme_val=0; int nbre_thread=0; int signal_envoye=0; pthread_mutex_t mutex=PTHREAD_MUTEX_INITIALIZER; pthread_cond_t cond=PTHREAD_COND_INITIALIZER; void *print_thread(){ pthread_mutex_lock(&mutex); if(signal_envoye==0){ pthread_cond_wait(&cond, &mutex); } prin...
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#include <pthread.h> struct socket_context* incoming_queue; struct socket_context* output_list; struct socket_context* storage_cache; int add(struct socket_context* storage, struct socket_context* sc); struct socket_context* find(struct socket_context* storage, int sock); pthread_mute...
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#include <pthread.h> pthread_cond_t sem; pthread_mutex_t read; pthread_mutex_t write; pthread_mutex_t count; int sem_count = 0; int sem_b = 0; int isWriteReady = 0; int data = 1; void CreateSemaphore() { if(pthread_cond_init(&sem, 0) != 0) { printf("Semaphore creation failed\\n"); exit(0...
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#include <pthread.h> struct msg{ char *str; int row; int delay; int dir; }; pthread_mutex_t mx = PTHREAD_MUTEX_INITIALIZER; int setup(int strnum, char *strings[], struct msg msgs[]) { int i; int num_msg = (strnum > 10 ? 10 : strnum); for(i = 0; i < strnum; i++){ msgs[i].str = strings...
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#include <pthread.h> struct iSharePrivate { unsigned char destroy; pthread_mutex_t token; char * shm_pointer; }; int iShare_Init(struct iShare * iShare) { key_t key; int shmflg; int shmid; int size; char * shm; struct iSharePrivate * private_struct; key = iShareGetSHMKey(*iSh...
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#include <pthread.h> int eye_update_interval = 50; int smallest_head; float smallest_val; bool eye_terminate = 0; bool ball_inside = 0; pthread_mutex_t nav_mutex; pthread_t eye_tid; void reset_value(){ smallest_head = 0; smallest_val = 9999.0; } void * eye_check(){ int detected_col...
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#include <pthread.h> int server_running; pthread_t *ping_threads; pthread_t serverthread; char *dev; void *ping_thread(void *arg) { if (arg != 0) { struct cfgData *data = (struct cfgData *)arg; if (data->status == tUp) { if (ping(&data->ip) != 0) ...
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#include <pthread.h> void* task(void* argument); int var=0; int max= -2147483647; int min= +2147483647; pthread_mutex_t lock; int main(void) { pthread_mutex_init(&lock,0); pthread_t threads[8]; int threadArgs[8]; int t; for(t=0; t<8; t++ ){ threadArgs[t]= t; p...
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#include <pthread.h> pthread_cond_t cond; pthread_mutex_t mutex; int count = 0; int task[3]; void *consumer(void *arg) { for (;;) { int num; pthread_mutex_lock(&mutex); if (count > 0) { count--; num = task[count]; printf("Consumer processed item: %d\\n", num); } pthread_...
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#include <pthread.h> int n, C, T, N; FILE* fout; char* out; pthread_t car; pthread_t passenger[10]; pthread_mutex_t mutex; int passenger_time[10] = {0}; int car_time = 0; int on_board[10] = {0}; int on_board_count = 0; int ending = 0; sem_t queue, checkin, boarding, riding, unloading; void* Pa...
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#include <pthread.h> extern pthread_mutex_t __sfp_mutex; extern pthread_cond_t __sfp_cond; extern int __sfp_state; int __swalk_sflush() { register FILE *fp, *savefp; register int n, ret, saven; register struct glue *g, *saveg; pthread_mutex_lock(&__sfp_mutex); __sfp_state++; pthread_mutex_...
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#include <pthread.h> int fin_fd; size_t entry_count; int fin_new(char* filename){ mode_t mode=S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH; int fd=open(filename,O_RDWR|O_CREAT|O_EXCL,mode); if (fd==-1){ perror("create fin:"); return -1; } fin_fd=fd; entry_count=0; return fd; } ...
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