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#include <pthread.h> struct header_t { size_t size; unsigned is_free; struct header_t *next; }; struct header_t *head = 0, *tail = 0; pthread_mutex_t global_malloc_lock; struct header_t *get_free_block(size_t size) { struct header_t *curr = head; while(curr) { if (curr->is_free && cu...
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#include <pthread.h> volatile int val = 0; pthread_cond_t cond = PTHREAD_COND_INITIALIZER; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; void *test_thread(void*data) { pthread_mutex_lock(&mutex); val = 1; pthread_mutex_unlock(&mutex); pthread_cond_broadcast(&cond); return 0; } int main() ...
0
#include <pthread.h> int buff[10]; int buff_index; pthread_mutex_t buff_mutex; sem_t buff_sem_full; sem_t buff_sem_empty; int push_front(int val) { if(buff_index < 10) { buff[buff_index++] = val; return 0; } else return -1; } int pop_front() { if(buff_index > 0) return buff[--buff_i...
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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) {...
0
#include <pthread.h> void search_by_thread( void* ptr); { char* start_ptr; char* end_ptr; int num; char match_str[16]; } thread_data; pthread_mutex_t mutex; int main() { FILE* fRead; char line[16]; char search_str[16]; char* array_ptr; char* temp_ptr; int i = 0; int j = 0;...
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#include <pthread.h> static int si_init_flag = 0; static int s_conf_fd = -1; static struct sockaddr_un s_conf_addr ; static int s_buf_index = 0; static char s_conf_buf[4][(16384)]; static pthread_mutex_t s_atomic; static char CONF_LOCAL_NAME[16] = "/tmp/cfgClient"; inline int cfgSockSetLocal...
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#include <pthread.h> int count = 0; 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 < 5; i++) { pthread_mutex_lock(&count_mutex); count++; if (count < 7) { ...
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#include <pthread.h> int somme_alea; int cpt; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t mutex_cpt = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t cond_cpt = PTHREAD_COND_INITIALIZER; void* thread_rand(void * arg){ int random_val = (int) ((float) 10 * rand()...
0
#include <pthread.h> double intervalWidth, mypi = 0.0; int *MyIntervals; int MyRank, Numprocs, Root = 0, MyCount = 0; pthread_mutex_t mypi_mutex = PTHREAD_MUTEX_INITIALIZER; void * MyPartOfCalc(int myID) { int myInterval; double myIntervalMidPoint; double myArea = 0.0, result; myIntervalMidP...
1
#include <pthread.h> int num = 0; pthread_mutex_t mutex; void* function1() { printf("Hello from function 1!\\n"); for (size_t i = 0; i < 1000000; i++) { pthread_mutex_lock(&mutex); num++; pthread_mutex_unlock(&mutex); } return 0; } void* function2() ...
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#include <pthread.h> pthread_mutex_t mutex; pthread_cond_t mainThreadReady; pthread_cond_t childThreadReady; void *new_start_routine( void * arg ) { for (int i = 0; i < 10; i++) { if (i != 10 - 1) pthread_mutex_lock(&mutex); printf("CHILD\\n"); pthread_cond_signal(&childThreadReady); ...
1
#include <pthread.h> void *func(int n); pthread_t philosopher[15]; pthread_mutex_t chopstick[15]; int N; int main() { int i,k; void *exit_status; printf("\\nenter the no of philosohers :"); scanf("%d",&N); for(i=0;i<N;i++) { k=pthread_mutex_init(&chopstick[i],0); if(k==-...
0
#include <pthread.h> void *hilo1(void *p); void *hilo2(void *p); int acabar; char cadena[50]; pthread_mutex_t muti = PTHREAD_MUTEX_INITIALIZER; int main(void) { pthread_t th1; pthread_t th2; int i; int res; void *result; printf("main: Comenzando la primera prueba, sin mute...
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#include <pthread.h> struct thread_info { pthread_t thread_id; int *forks; pthread_mutex_t *forkMutexs; int philoId; }; int forks[4] = {0,1,2,3}; pthread_mutex_t forkMutexs[4] = { PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER };...
0
#include <pthread.h> pthread_mutex_t buffer_mutex; int fill = 0; char buffer[100][50]; char *fetch(char *link) { int fd = open(link, O_RDONLY); if (fd < 0) { fprintf(stderr, "failed to open file: %s", link); return 0; } int size = lseek(fd, 0, 2); assert(size >= 0); char *buf = Mall...
1
#include <pthread.h> pthread_attr_t attr=PTHREAD_INITIALZER; pthread_cond_t even,odd; pthread_mutex_t lock; int i=0; void func_attributes(void ) { pthread_attr_setdetachstate(&attr,PTHREAD_JOINABLE); pthread_cond_init(&even); pthread_cond_init(&odd); pthread_mutex_init(&lock,0); } void even(voi...
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#include <pthread.h> void accueil() { int choix; printf("Tripote et Mascagne, bonjour : \\n \\n"); printf("Que pouvons nous faire pour vous : \\n"); printf(" 1: Des vis \\n"); printf(" 2: Des étagères \\n"); printf(" 3: Des chaises \\n"); printf(" 4: Des armoires \\n"); printf(" 5: Des p...
1
#include <pthread.h> const int capacity = 100; const int round_max = 50000; int capacity; int size; item_t* space; pthread_mutex_t lock; pthread_cond_t some_space; pthread_cond_t some_items; } storage_t; void* produce(void* param) { storage_t* storage = (storage_t*) param; ...
0
#include <pthread.h> int g = 0; pthread_mutex_t mutexsum; void *myThreadFun(void *vargp) { int i = (int)vargp; pthread_mutex_lock (&mutexsum); printf("%i Global: %d\\n", i, ++g); pthread_mutex_unlock (&mutexsum); } int threadCount(int num_threads) { int i; pthread_t ti...
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#include <pthread.h> pthread_mutex_t mutex; { int lb; int ub; int arr[100]; }param; int part(int a[],int lb,int ub) { int c,up=lb,down=ub; int x=a[lb]; while(up<down) { while(a[up]<=x && up<=down) up++; while(a[down]>x) down--; if(up<down) { c=a[up]; a[up]=a[down]; ...
0
#include <pthread.h> pthread_mutex_t kran; pthread_mutex_t kufle; int l_kl, l_kf, l_kr; void * watek_klient (void * arg); int kufle_pobrane = 0; int main(){ pthread_t *tab_klient; int *tab_klient_id; int i; printf("\\nLiczba klientow: "); scanf("%d", &l_kl); printf("%d\\n",l_kl); ...
1
#include <pthread.h> double start_time; double end_time; double cur_time; static enum { SIM_START, SIM_INITIALIZED, SIM_IN_PROGRESS, SIM_TERMINATED, } state; static struct cal *cal; static bool new_element_added; static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; size_t get_head(vo...
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#include <pthread.h> int q[4]; 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 < 4) ...
1
#include <pthread.h>extern void __VERIFIER_error(); unsigned int __VERIFIER_nondet_uint(); static int top = 0; static unsigned int arr[400]; pthread_mutex_t m; _Bool flag = 0; void error(void) { ERROR: __VERIFIER_error(); return; } void inc_top(void) { top++; } void dec_top(void)...
0
#include <pthread.h> struct kufle { pthread_mutex_t mut_kuff; int * tab_kufli; int l_kf; } kuf; pthread_mutex_t mut_kran; void * watek_klient (void * arg_wsk){ int moj_id = * ((int *)arg_wsk); int a, i, j, kufel, result; int wybralem = 0; a = 0; int ile_musze_wypic = 2; printf(...
1
#include <pthread.h> int estado [(5)]; pthread_mutex_t mutex; pthread_mutex_t mux_filo [(5)]; pthread_t jantar[(5)]; void * filosofo ( void * param ); void pegar_hashi ( int id_filosofo ); void devolver_hashi ( int id_filosofo ); void intencao ( int id_filosofo ); void comer ( int id_filosofo ); ...
0
#include <pthread.h> int total = 0; pthread_mutex_t mutexTotal = PTHREAD_MUTEX_INITIALIZER; pthread_t * hilos; void * suma (void * arg); clock_t begin, end; double time_spent; int fragment; int * numberArray; int inicio; int fin; }info; int main(int argc, char const *argv[]) { FILE *myFil...
1
#include <pthread.h> void throw_one(); void throw_two(); void determine_round_winner(); void determine_winner(); int* p_one_ptr; int* p_two_ptr; const char *rps[3]; int player_one_score; int player_two_score; pthread_t tid[2]; int choice[2]; int command[2]; pthread_mutex_t lock[2]; pthrea...
0
#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("threead1:number=%d\\n",number); pthread_mutex_lock(&mut); number++; pthread_mutex_unlock(&mut); sleep(2); } printf("threa...
1
#include <pthread.h> int NUMBER_OF_PRODUCTS; pthread_mutex_t lock; void increase_products(int i){ pthread_mutex_lock(&lock); if(NUMBER_OF_PRODUCTS < 10){ NUMBER_OF_PRODUCTS+=1; } else printf("Production limit reached.\\n\\n"); pthread_mutex_unlock(&lock); sleep(rand()%3+1); ret...
0
#include <pthread.h> sem_t semEste; sem_t semOeste; pthread_mutex_t mutexEste; pthread_mutex_t mutexOeste; void* cruzarEste(void*); void* cruzarOeste(void*); int main() { sem_init(&semEste, 0, 0); sem_init(&semOeste, 0, 0); srand((int) time(0)); pthread_t* threads = (pthread_t*) malloc(...
1
#include <pthread.h> static pthread_cond_t cond = PTHREAD_COND_INITIALIZER; static pthread_mutex_t cond_mutex = PTHREAD_MUTEX_INITIALIZER; static void *doexec (void *arg); void init (void) { pthread_t thr; pthread_attr_t thread_attr; if (pthread_attr_init(&thread_attr)) do { fprintf(st...
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*)malloc(sizeof(struct f...
1
#include <pthread.h> void station_init(struct station *station){ station->waiting_passenger_count=0; station->available_seat_count=0; station->boarded_passenger_count=0; station->max_allowed_passengers=0; station->train_left=0; pthread_mutex_init(&station->station_key, 0); pthread...
0
#include <pthread.h> int use_mutex; pthread_mutex_t mutex; volatile int global = 0; void *compute(void *arg) { int i; for (i = 0; i < 100 * 100 * 100; i++) { if (use_mutex) { pthread_mutex_lock(&mutex); global++; ...
1
#include <pthread.h> pthread_mutex_t mx, my; int x=2, y=2; void *thread1() { int a; pthread_mutex_lock(&mx); a = x; pthread_mutex_lock(&my); y = y + a; y = y + a; y = y + a; y = y + a; y = y + a; y = y + a; y = y + a; y = y + a; y = y + a; y = y + a; pthread_mutex_unlock(&my); a =...
0
#include <pthread.h> int chop = 5; struct timespec timeout; pthread_cond_t cond = PTHREAD_COND_INITIALIZER; pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t lockp = PTHREAD_MUTEX_INITIALIZER; void *pcon(void *num) { int flag = 1; while(1) { flag =(flag ? 0:1); if(!flag) ...
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#include <pthread.h> int A = 0; int B = 0; pthread_mutex_t lock_A = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t lock_B = PTHREAD_MUTEX_INITIALIZER; void * thread_a(void * para) { int i = 0; srandom(time(0L)); while(i < 100) { i++; usleep(random()%100); pthread_mutex_lock(&lock_A); ...
0
#include <pthread.h> static const unsigned int NUM_PHILOSOPHERS = 5; static const unsigned int NUM_CHOPSTICKS = 5; static int chopsticks[5]; static pthread_mutex_t mutex[5]; static pthread_t philosophers[5]; int isdead(){ int i; for (i = 0; i < NUM_CHOPSTICKS; i++){ if (chopsticks[i]...
1
#include <pthread.h> pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; void multiThreadCopy(char*, char*); void sectionCopy(void**); int main(int argc, char* argv[]) { if (argc < 3) { printf("Expected input and output files as parameters\\n"); return 0; } multiThreadCopy(argv[1]...
0
#include <pthread.h> void kern_mutex_init(kern_mutex_t* mtx) { pthread_mutex_init(mtx, 0); } void kern_mutex_destroy(kern_mutex_t* mtx) { pthread_mutex_destroy(mtx); } void kern_mutex_lock(kern_mutex_t* mtx) { pthread_mutex_lock(mtx); } void kern_mutex_unlock(kern_mutex_t *mtx) { pt...
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#include <pthread.h> { char buff[100]; char end; int numthr; int wtime; sem_t semaphore_io; sem_t semaphore_caps; } shared_data; int tsrandom (void); void * io (void *); void * caps (void *); int main (int argc, char * argv[]) { pthread_t tids[200]; int i, e; ...
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#include <pthread.h> void *producer(void *arg); void *consumer(void *arg); int buffer_num = 0; pthread_mutex_t mutex; int running = 1; int main(void) { pthread_t producer_pt; pthread_t consumer_pt; pthread_mutex_init(&mutex, 0); pthread_create(&producer_pt, 0, (void*)producer, 0); pt...
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#include <pthread.h> extern int errno; int gridsize = 0; int grid[10][10]; int threads_left; pthread_mutex_t lock; time_t start_t, end_t; void print_grid(int grid[10][10], int gridsize) { int i, j; for (i = 0; i < gridsize; i++) { for (j = 0; j < gridsize; j++) fprintf(stdout, "%d\...
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#include <pthread.h> int g = 0; pthread_mutex_t mutexsum; void *myThreadFun(void *vargp) { int i = (int)vargp; pthread_mutex_lock (&mutexsum); printf("%i Global: %d\\n", i, ++g); pthread_mutex_unlock (&mutexsum); } int threadCount(int num_threads) { int i; pthread_t ti...
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#include <pthread.h> pthread_mutex_t mutex; int buffer[5] = {0}; sem_t empty; sem_t full; void *producer(void *arg) { int in = 0; int* arr = (int*) arg; for (int i = 0; i < 10; i++) { sem_wait(&empty); pthread_mutex_lock(&mutex); buffer[in] = arr[i]; ...
0
#include <pthread.h> pthread_mutex_t mutex; int fd_gprs=0; extern struct state *g_state; int xfer_init() { if((fd_gprs=open_com_port("/dev/ttySP2"))<0) { perror("open_port lcd error"); return -1; } if(set_opt(fd_gprs,115200,8,'N',1)<0) { perror(" set_opt cap error"); close(fd_gprs); ...
1
#include <pthread.h> char buf[4]; int occupied; int nextin, nextout; pthread_mutex_t mutex; pthread_cond_t more; pthread_cond_t less; } buffer_t; buffer_t buffer; void * producer(void *); void * consumer(void *); pthread_t tid[2]; main( int argc, char *argv[] ) { int i; ...
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#include <pthread.h> void* mathProf(void* t); void* csProf(void* t); void* dean(void* t); void delay(int); void shuffle(int*, int); pthread_mutex_t sherriLock; int waiting[4]; int inlounge[4]; const char* names[] = {"open", "math prof", "cs prof", "dean"}; int main(){ srand(time(0));...
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#include <pthread.h> int SharedVariable = 0; pthread_mutex_t lock_x; bool isNumber(char number[]) { int i = 0; if (number[0] == '-') return 0; for (; number[i] != 0; i++) { if (!isdigit(number[i])) return 0; } return 1; } void SimpleThread...
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#include <pthread.h> pthread_mutex_t djedbozicnjak, K, godisnji; int br_sobova; int br_patuljaka; int semId; void *Djed_Bozicnjak(void) { do{ pthread_mutex_lock(&djedbozicnjak); pthread_mutex_lock(&K); if(br_sobova == 10 && br_patuljaka > 0){ pthread_mutex_...
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#include <pthread.h> void* ta_helping(); void* stu_listening(void *i); void srand_sleep(); sem_t *sem_stu; sem_t *sem_ta; pthread_mutex_t lock; int chair[3] = {-1,-1,-1}; int count = 0; int next_student = 0; int next_seat = 0; int student_has_teached; int main() { int number_of_stude...
0
#include <pthread.h> int buffer[1024]; int count=0; pthread_mutex_t mutex1; pthread_mutex_t mutex2; pthread_mutex_t mutex3; pthread_mutex_t mutex4; void *threadFun1(void *arg) { int i; while(1) { pthread_mutex_lock(&mutex1); pthread_mutex_lock(&mutex2); printf("Thread 1\\n"); coun...
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#include <pthread.h> static pthread_mutex_t *locks; static void die_with_error(char *message) { perror(message); exit(1); } static void radix_tree_init(struct radix_tree *tree, int bits, int radix) { if (radix < 1) { perror("Invalid radix\\n"); return; } if (bits < 1) { perror("I...
0
#include <pthread.h> static char g_log_filename[256]; static FILE *g_log_fp = 0; static int g_log_level = 0; static pthread_mutex_t g_log_lock; static char *g_log_level_str[] = { "EMERG", "ALERT", "CRIT", "ERR", "WARNING", "NOTICE", "INFO", "DEBUG", 0 }; stat...
1
#include <pthread.h> pthread_t pr[4]; pthread_mutex_t se[4]; pthread_mutex_t seEnd[4]; pthread_mutex_t seIndex; int pIndex = 0; int fIndex = 0; int mIndex = 15; int files[15] = {1,2,3,1,2,3,1,2,3,1,2,3,1,2,3}; int lockTimes[4] = {0,3,4,5}; int file; int z = 0; void * print(void *arg){ pt...
0
#include <pthread.h> pthread_mutex_t mutex; void *another(void *arg) { printf("In child thread, lock the mutex\\n"); pthread_mutex_lock(&mutex); sleep(5); pthread_mutex_unlock(&mutex); } int main() { pthread_mutex_init(&mutex, 0); pthread_t tid; pthread_create(&...
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#include <pthread.h> struct q_log_ctx { int ql_init; int ql_fd; char *ql_file; int ql_level; pthread_mutex_t ql_mtx; }; static struct q_log_ctx log_ctx = { .ql_init = 0, .ql_fd = -1, .ql_file = Q_LOG_FILE, .ql_level = Q_LOG_LEVEL, .ql_mtx = PTHREAD_MUTEX_INITIALIZER, }; static char *lv...
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#include <pthread.h> int *array; int length, count; pthread_t *ids; int length_per_thread; pthread_mutex_t ex = PTHREAD_MUTEX_INITIALIZER; void * count3s_thread(void *id){ int i; int start = length_per_thread*(int)id; int end = start + length_per_thread; for(i=start; i < end; i++){ if(ar...
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#include <pthread.h> int threads=1024; int threads_max=100; int counter1=0; int counter1_start=180000; int counter1_warn=200000; int counter_de_nr=0; int koniec=0; int sleep_time=1000; int manager_cmd=0; int key=0; pthread_cond_t warunek1 = PTHREAD_COND_INITIALIZER; pthread_mutex_t mutex1 = P...
0
#include <pthread.h> void *referee(void*); void *player(void*); void print_board(); int check_winner(); int check_horizonatal_tiles(); int check_diagonal_tiles(); int board_filled(); char board[6][7]; int play_game,game_finished; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; pthread_cond_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) { fp->...
0
#include <pthread.h> pthread_mutex_t semaforo; static char *path_log; void iniciarYEstablecerRutaArchivoLog(char *ruta) { path_log = strdup(ruta); pthread_mutex_init(&semaforo,0); } void borrarSemaforoLogs() { pthread_mutex_destroy(&semaforo); } void logDebug(char *mensaje) { pthread_mutex...
1
#include <pthread.h> pthread_mutex_t mtx = PTHREAD_MUTEX_INITIALIZER; struct tree { long data; struct tree *left; struct tree *right; }; struct tree *root = 0; struct tree *newnode(long data) { struct tree *newnode = (struct tree*)malloc(sizeof(struct tree)); newnode->data = dat...
0
#include <pthread.h> struct job { int id; struct job *next; }; void process_job (struct job *one_job) { printf("Thread_%d is process job %d\\n", (int)pthread_self (), one_job->id); } pthread_mutex_t job_queue_mutex = PTHREAD_MUTEX_INITIALIZER; sem_t job_count; void *thread_func...
1
#include <pthread.h> pthread_t stu_thread[2]; pthread_mutex_t mutex_lock; int number = 0; void * studentA() { int i = 0; for(i = 0; i < 5; i++) { pthread_mutex_lock(&mutex_lock); number++; printf("studentA has finished the work one time\\n"); pthread_...
0
#include <pthread.h> FILE *fp; struct userinfo { char username[100]; int socket; }u[1000]; pthread_t thread; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; char buffer[256],user[100],str[100],pass[30]; struct sockaddr_in serv_addr, cli_addr; int n,nu=1,i; void error(char *msg) { perror...
1
#include <pthread.h> void *productor(void *); void *consumidor(void *); void yield(); struct buffer_sync_s { int buffer[16 +1]; int pr,pw; pthread_mutex_t mutex; sem_t vacios; sem_t llenos; } buffer_sync; int main(int argc, char *argv[]) { pt...
0
#include <pthread.h> struct tex_circle tex_circles[TEX_CIRCLES_MAX]; unsigned int tex_circle_draw_order[TEX_CIRCLES_MAX]; struct tex_circle tex_ripples[TEX_CIRCLES_MAX]; int sizeof_tex_circles_e = sizeof(tex_circles)/sizeof(tex_circles[0]); int sizeof_tex_circles = sizeof(tex_circles); void step...
1
#include <pthread.h> int buffer[100] = { 0 }; int front = 0, rear = -1; int size = 0; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t empty_cond = PTHREAD_COND_INITIALIZER; pthread_cond_t full_cond = PTHREAD_COND_INITIALIZER; bool producer_wait = 0; bool consumer_wait = 0; vo...
0
#include <pthread.h> struct account{ int balance; int credits; int debits; pthread_mutex_t lock; }; struct account accounts[10]; void * transactions(void * args){ int i,v; int a1,a2; for(i=0;i<100;i++){ v = (int) random() % 100; a1 = (int) random() % 10; w...
1
#include <pthread.h> int array[] = {1,3,2,4,5,7,6,9,10,11,12,13,0,3,7,8,1,3,5,7,9,2,4,6,8,0,1,2,3,4,5,6,7,8}; int length = sizeof(array)/sizeof(array[0]); int shared_index = 0; pthread_mutex_t shared_index_lock = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t shared_index_cv = PTHREAD_COND_INITIALIZ...
0
#include <pthread.h> pthread_cond_t table_free_cv, sticks_cv[5]; pthread_mutex_t monitor = PTHREAD_MUTEX_INITIALIZER; int is_eating[5] = {0}; int table_free = 2, sticks[5] = {1, 1, 1, 1, 1}; void print_status () { int i; for (i=0 ; i<5 ; ++i) if (is_eating[i]) printf ("jede\\t");...
1
#include <pthread.h> int memory[(2*320+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*320+1)){ pthread_mutex_unlock(&m); curr_alloc_idx = 0; }else{ curr_alloc_idx...
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#include <pthread.h> int buffer[10]; pthread_mutex_t mutex; sem_t emptyCount; sem_t fillCount; int produceItem() { return rand(); } void putItemIntoBuffer(int item) { int pos; sem_getvalue(&fillCount, &pos); buffer[pos] = item; } int removeItemFromBuffer() { int pos; s...
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#include <pthread.h> int TA_Sleeping; sem_t semTA; sem_t chairs; pthread_mutex_t Helpmutex = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t TAcreated = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t helping = PTHREAD_MUTEX_INITIALIZER; void helpStudent(){ while(1){ int availableChairs; sem_getvalu...
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#include <pthread.h> pthread_mutex_t mutex[3]; int firstIndex; int secondIndex; } Indexes; Indexes additionalThreadIndexes[3] = {{0, 1}, {2, 0}, {1, 2}}; Indexes mainThreadIndexes[3] = {{2, 0}, {1, 2}, {0, 1}}; void* doIt(void *arg) { pthread_mutex_lock(&mutex[0]); pthread_mutex_loc...
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#include <pthread.h> int sem_post(sem_t *sem) { int result = 0; if (!sem) { result = EINVAL; } else if (!pthread_mutex_lock(&sem->mutex)) { if (++(sem->value) <= 0) { pthread_con...
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#include <pthread.h> extern unsigned volatile int *lock; FILE *fileout_pbm_stringsearch; FILE *fileout_bmh_stringsearch; FILE *fileout_fft; FILE* fileout_adpcmencoder; FILE* filein_adpcmencoder; volatile int procCounter = 0; volatile int barrier_in = 0; volatile int procsFinished = 0;...
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#include <pthread.h> struct argumentos{ int *cont; pthread_mutex_t *mutex; }; void *incrementa(void *arg){ ARGS *para = (ARGS *) arg; int *p = para->cont; pthread_mutex_t *m = para->mutex; int i; for(i=0; i<100000; i++){ pthread_mutex_lock(m); (*p)++; pthread_mutex_unlock(m);...
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#include <pthread.h> int 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 lock; int numWorkers; double startTime, endTime; int size, stripSize; int matrix[10000][10000]; void *Worker(void *); double readT...
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#include <pthread.h> int PBSD_msg_put( int c, char *jobid, int fileopt, char *msg, char *extend) { int rc = 0; int sock; struct tcp_chan *chan = 0; pthread_mutex_lock(connection[c].ch_mutex); sock = connection[c].ch_socket; if ((chan = DIS_tcp_setup(sock)) == 0) ...
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#include <pthread.h> pthread_mutex_t mutex_1; pthread_mutex_t mutex_2; void *child1(void *arg) { while (1) { pthread_mutex_lock(&mutex_1); sleep(3); pthread_mutex_lock(&mutex_2); printf("thread 1 get running\\n"); pthread_mutex_unlock(&mutex_2); ...
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#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 <= 10; i++) { pthread_mutex_lock(&the_mutex); while (buffer != 0) pthread_cond_wait(&condp, &the_mutex); buffer = i; printf("...
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#include <pthread.h> struct node_t { int length; char data[80]; struct node_t *next; pthread_mutex_t mut; } head; void* sort_loop(void* param) { struct node_t *prev, *cur0, *cur1; int mess; while (1) { sleep(5); mess = 1; while (mess) { mess = 0; prev = ...
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#include <pthread.h> static int maxThreads; static int threadsTotal; static pthread_mutex_t fileMutex; static pthread_cond_t fileCond; void FileAccess(int n) { maxThreads = n - 1; threadsTotal = 0; pthread_mutex_init(&fileMutex, 0); pthread_cond_init(&fileCond, 0); } void* startAccess(...
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#include <pthread.h> pthread_cond_t cond_notFull = PTHREAD_COND_INITIALIZER; pthread_cond_t cond_notEmpty = PTHREAD_COND_INITIALIZER; pthread_mutex_t bufferFull_mutex = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t count_mutex = PTHREAD_MUTEX_INITIALIZER; int maxBufferSize = 1; int bufferSize = 0; int...
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#include <pthread.h> int max(const int a, const int b) { return a > b ? a : b; } int largest = 0; pthread_mutex_t largest_mutex; void *thread_main(void *arg) { int cpu_nr = sched_getcpu(); pthread_mutex_lock(&largest_mutex); if (cpu_nr > largest) { largest = cpu_...
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#include <pthread.h> pthread_barrier_t barrier; pthread_mutex_t consoleMutex; struct CalculateExpArgs { double value; unsigned int maxNumberOfOperations; double result; }; void CalculateExp(struct CalculateExpArgs* args) { pthread_mutex_lock(&consoleMutex); printf("Calcu...
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#include <pthread.h> extern pthread_mutex_t global_data_mutex; void update_humidity_data (int humidity_fd) { char humidity[6]; float realhumidity; int read_rc; lseek(humidity_fd,0,0); read_rc = read(humidity_fd,humidity,5); if(0 > read_rc) { close(humidity_fd); global_...
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#include <pthread.h> struct Message { struct Message *next; }; struct Message *work_queue; pthread_cond_t queue_ready = PTHREAD_COND_INITIALIZER; pthread_mutex_t queue_lock = PTHREAD_MUTEX_INITIALIZER; void process_message( void ) { struct Message *mp; while ( 1 ) { pthread_mutex...
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#include <pthread.h> extern int makethread(void *(*)(void *), void *); { void (*to_fn)(void *); void *to_arg; struct timespec to_wait; }to_info; void clock_gettime(int id, struct timespec *tsp) { struct timeval tv; gettimeofday(&tv, 0); tsp->tv_sec = tv.tv_sec; t...
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#include <pthread.h> static pthread_mutex_t mymutex = PTHREAD_MUTEX_INITIALIZER; static int malloc_trim_count=0; static void mymalloc_install (void); static void mymalloc_uninstall (void); static void (*old_free_hook) (void *, const void *); static void myfree(void *ptr, const void *caller) { ...
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#include <pthread.h> int printed_lines = 0; int lines_before[10]; int lines_after[10]; pthread_mutex_t mutex; pthread_t *threads; int n; int activated; void *send_output(void *arg) { int* idx = (int*)arg; lines_before[*idx] = printed_lines; int i; while(!activated...
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#include <pthread.h> void *lcthread(void *argv); int total_lines = 0; pthread_mutex_t total_line_lock = PTHREAD_MUTEX_INITIALIZER; main(int argc, char**argv) { pthread_t * t = malloc(500); int index_create; for(index_create = 1; index_create < argc; index_create++) { pthread_create(&t[...
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#include <pthread.h> enum { NUMTHREADS = 3 }; struct bag_t_ { int threadnum; int started; }; static bag_t threadbag[NUMTHREADS + 1]; pthread_mutex_t stop_here = PTHREAD_MUTEX_INITIALIZER; void * mythread(void * arg) { bag_t * bag = (bag_t *) arg; assert(bag == &threadbag[bag->th...
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#include <pthread.h> const size_t N_THREADS = 20; pthread_mutex_t mutex; struct timespec timeout; int use_timeout; void *run(void *arg) { int *argi = (int *) arg; int my_tidx = *argi; int retcode; printf("in child %d: sleeping\\n", my_tidx); sleep(2); if (use_timeout) { while...
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#include <pthread.h> int clientCount = 0; int byteCount = 0; pthread_mutex_t lock; struct serverParm{ int connectionfd; int clientNO; }; static int callback(void *data, int argc, char **argv, char **azColName) { int *fileDesc; fileDesc = (int *) data; int i; for (i = 0; i < argc; i++)...
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#include <pthread.h> int status; int size; struct freelist* next; }freelist; freelist* head = 0; int allocated = 0; int Mem_Init(int sizeOfRegion){ int pagesize = getpagesize(); int initsize = sizeOfRegion; if(allocated != 0 || sizeOfRegion <= 0){ fprintf(stderr, "ERROR!\\n"); return...
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#include <pthread.h> static pthread_mutex_t cook_meal_lock = PTHREAD_MUTEX_INITIALIZER; static pthread_cond_t cook_meal_cond = PTHREAD_COND_INITIALIZER; static pthread_mutex_t deliver_meal_lock = PTHREAD_MUTEX_INITIALIZER; static pthread_cond_t deliver_meal_cond = PTHREAD_COND_INITIALIZER; static...
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