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#include <pthread.h> void* SHM_alloc(char* shm_name, size_t len) { int fd = shm_open(shm_name, O_RDWR|O_CREAT,0644); if(fd < 0) { printf("create share memory error."); return 0; } if(ftruncate(fd,len)!=0) { error("truncate share memory error....
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#include <pthread.h> pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t cond = PTHREAD_COND_INITIALIZER; char const LETTERS[11] = "ABCDEFGHIJ"; void* thread_print(void*); int turn = 0; int main(int argc, char const *argv[]) { long i; int j; pthread_t threads[10]; for ...
0
#include <pthread.h> static pthread_mutex_t queue_mutex; void initBTServer(void (*acceptCallback)(), void (*readerCallback)(char*,int), void (*disconnectCallback)()) { _readerCallback = readerCallback; _acceptCallback = acceptCallback; _disconnectCallback = disconnectCallback; socketHand...
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#include <pthread.h> int summer_shared_index; pthread_mutex_t max_mutex, thresh_mutex, summ_mutex; struct summ_args { int ma; double *a, *afunc, *sum; }; void *dataworker() { } void *summer(void * packed_args) { struct summ_args *args = (struct summ_args *)packed_args; int ma = arg...
0
#include <pthread.h> extern char **environ; pthread_mutex_t env_mutex; static pthread_once_t init_done = PTHREAD_ONCE_INIT; static void thread_init(void) { pthread_mutexattr_t attr; pthread_mutexattr_init(&attr); pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE); pthrea...
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#include <pthread.h> struct TErrNode { struct TErrNode *next; pthread_t thread; size_t used; size_t size; struct LineInfo { char file[64]; char function[64]; size_t line; } *stack; } ; static struct TErrNode *top = 0; static pthread_mutex_t mutex; static struct TErrNode ...
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#include <pthread.h> int id; double balance; bool bInUse; pthread_mutex_t mutex; pthread_cond_t freeAcc; } Account; Account bank[5]; pthread_mutex_t lock[5]; bool withdraw(Account* acc, double amount) { pthread_mutex_lock(&lock[acc->id]); if(acc->balance - amount >= 0) { acc->balance...
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#include <pthread.h> int grades[10] = {0}; int total_grade = 0; int total_bellcurve = 0; pthread_barrier_t barr1; pthread_barrier_t barr2; pthread_mutex_t mutex; void* read_grades(){ FILE *grade_file = fopen("grades.txt","r"); if(grade_file == 0){ perror("Error opening fil...
0
#include <pthread.h> void *Producer(void *arg); void *Consumer(void *arg); time_t time; int no; pid_t kernelThreadID; pthread_t posixThreadID; } InfoStruct; sem_t full, empty; pthread_mutex_t mutex; int bufferSize = 0; InfoStruct buffer[5]; int main(void) { pthread_t producer[2...
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#include <pthread.h> struct mt { int num; pthread_mutex_t mutex; pthread_mutexattr_t mutexattr; }; int main(void) { int fd, i; struct mt *mm; pid_t pid; fd = open("mt_test", O_CREAT | O_RDWR, 0777); ftruncate(fd, sizeof(*mm)); mm = mmap(0, sizeof(*mm), PROT_READ|PROT_WRITE, MAP_SHARED, fd, ...
0
#include <pthread.h> static pthread_mutex_t *config_openssl_mutexes; static void gfarm_openssl_lock(int mode, int n, const char *file, int line) { if (mode & CRYPTO_LOCK) pthread_mutex_lock(&config_openssl_mutexes[n]); else pthread_mutex_unlock(&config_openssl_mutexes[n]); } static unsign...
1
#include <pthread.h> pthread_mutex_t barrier; pthread_mutex_t minBarrier; pthread_mutex_t maxBarrier; pthread_cond_t go; int numWorkers; int numArrived = 0; int value; int xIndex; int yIndex; } MINMAX; MINMAX min; MINMAX max; void Barrier() { pthread_mutex_lock(&barrier); numArri...
0
#include <pthread.h> pthread_mutex_t count_mutex = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t condition_var = PTHREAD_COND_INITIALIZER; void *functionCount1(); void *functionCount2(); int count = 0; main() { pthread_t thread1, thread2; pthread_create( &thread1, 0, &functionCount1, 0); ...
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#include <pthread.h> struct interval { double seconds; struct timespec *time_start; pthread_mutex_t *time_start_mutex; struct rusage *rusage_start; struct timespec last_time; }; static inline void set_uninitialized(struct timespec *ts) { ts->tv_sec ...
0
#include <pthread.h> int timer_create (clock_id, evp, timerid) clockid_t clock_id; struct sigevent *evp; timer_t *timerid; { int retval = -1; struct timer_node *newtimer = 0; struct thread_node *thread = 0; if (0 ) { __set_errno (ENOTSUP); r...
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#include <pthread.h> int reboot(int); static pthread_t DeadmanThread = 0; static int DeadmanActive = 0; static int DeadmanTimeRemaining = 0; static pthread_mutex_t DeadmanMutex = PTHREAD_MUTEX_INITIALIZER; static void deadman_function(void* arg) { while(1) { sleep(1); ...
0
#include <pthread.h> int array[1000]; int result[8]; int availableIndex = -1; pthread_mutex_t lock; void *threadFunction (void *arg) { int subArraySize= 1000/8; int threadIndex = (int)arg; int beginIndex = threadIndex * subArraySize; int endIndex = beginIndex+subArraySize; int res = 0, i; ...
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#include <pthread.h> pthread_mutex_t mutex; pthread_cond_t cond; int flag; } event_t; event_t main_event; void * test_thread (void *ms_param) { int status = 0; event_t foo; struct timespec time; struct timeval now; long ms = (long) ms_param; printf("...
0
#include <pthread.h> pthread_mutex_t pid_mutex; pid_t pid; }pid_data_t; pid_t thisPID; pthread_mutexattr_t myattr; int set_priority(int priority); int get_priority(); int main(int argc, char *argv[]) { printf("Welcome to the server\\n"); int fildescr=shm_open("/sharedpid",O_RDWR|O_CREAT,S_I...
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#include <pthread.h> int main() { pthread_mutex_t mu1, mu2; pthread_mutex_init(&mu1, 0); pthread_mutex_init(&mu2, 0); pthread_mutex_lock(&mu1); pthread_mutex_lock(&mu2); pthread_mutex_unlock(&mu2); pthread_mutex_unlock(&mu1); pthread_mutex_lock(&mu2); pthread_mutex_lock(&mu1)...
0
#include <pthread.h> struct ThreadsafeBufferContext* threadsafe_buffer_context_new() { struct ThreadsafeBufferContext* context = (struct ThreadsafeBufferContext*) malloc(sizeof(struct ThreadsafeBufferContext)); if (context != 0) { context->buffer_size = 0; context->buffer = 0; pth...
1
#include <pthread.h> sem_t maitreD; int sem_init(sem_t *maitreD, int pshared, unsigned int value); int rendezvous_count = 0; pthread_mutex_t rendezvous_count_mutex; pthread_cond_t rendezvous_count_threshold_cv; int rendezvous_oncePerCycle = 0; void *task (void *t) { int i; int busyT...
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#include <pthread.h> void *calculSomme(void *args); struct matrice { unsigned int nbLigne; unsigned int nbColonne; int **element; int sommeFinal; }; pthread_mutex_t mutex; struct matrice *matrice = 0; int main(int argc, char *argv[]) { srand(time(0)); int i = 0, j = 0; ...
1
#include <pthread.h> const int MAX_THREADS = 1024; long thread_count; long long n; double total_int; double a, b, h; pthread_mutex_t mutex; void* Trap (void* rank); double f (double x); void Get_args(int argc, char* argv[]); void Usage(char* prog_name); int main(int argc, char* argv[]) { l...
0
#include <pthread.h> char *messages[8]; pthread_mutex_t mutexsum; struct thread_data { int thread_id; int sum; char *message; }; struct thread_data thread_data_shared; void *PrintHello(void *threadarg) { int taskid, sum; char *hello_msg; struct thread_data * my_data; my_d...
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#include <pthread.h> { pthread_mutex_t fine_sondaggio; sem_t barrier; int sondaggi_terminati; } Barriera; { pthread_mutex_t lock; int voti[10]; } Sondaggio; Sondaggio sondaggi[10]; Barriera b; pthread_mutex_t film_lock; pthread_t spettatori[10]; int winner; int found_wi...
0
#include <pthread.h> pthread_mutex_t lock1 = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t lock2 = PTHREAD_MUTEX_INITIALIZER; void prepare(void) { printf("prepare locks...\\n"); pthread_mutex_lock(&lock1); pthread_mutex_lock(&lock2); } void parent(void) { printf("parent locks ...\\n"); pthread...
1
#include <pthread.h> pthread_mutex_t gmutex; int x = 0; void *thread_func(void *arg) { int myid = (int) arg; pthread_mutex_lock(&gmutex); x = x + myid; printf("Hello from thread %d x = %d\\n", myid, x); pthread_mutex_unlock(&gmutex); pthread_ex...
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#include <pthread.h> void *gpsdthread(void *ptarg) { struct gps_data_t data; struct gpsdthread_context *ctx; int r; double last_update = 0; struct timespec ts; ctx = (struct gpsdthread_context *)ptarg; r = gps_open("localhost", DEFAULT_GPSD_PORT, &data); if (r != 0) { fp...
1
#include <pthread.h> pthread_mutex_t lock1 = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t lock2 = PTHREAD_MUTEX_INITIALIZER; void prepare(void) { printf("preparing locks...\\n"); pthread_mutex_lock(&lock1); pthread_mutex_lock(&lock2); } void parent(void) { printf("parent unlocking locks...\\n"...
0
#include <pthread.h> static void *threader(void *args) { struct async *self = (struct async *)args; struct async_task *tmp; struct async_task task; for (;;) { pthread_mutex_lock(&self->lock); if (self->count == 0 && !self->shutdown) pthread_cond_wait(&self->notify, &self->lock); if ...
1
#include <pthread.h> static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; static int currentLockOwerId = -1; void std_inst_lock(); void std_inst_unlock(); static FILE* ofile = 0; extern long g_flag; FILE* OutputFile() { if (ofile == 0) { ofile = fopen("llfi.stat.trace.txt", "w"...
0
#include <pthread.h> struct readerArgs { int fd; size_t number; }; union semun { int val; struct semid_ds *buf; unsigned short *array; struct seminfo *__buf; }; ssize_t pgetLine(int fd, char *str, size_t maxLength, off_t offset); void getCurrentTime(char *str, size_t maxLengt...
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#include <pthread.h> pthread_mutex_t lock; int num=0; void* numOne(void *p){ pthread_mutex_lock(&lock); while (num) { num=0; } pthread_mutex_unlock(&lock); return 0; } void* numZero(void *p){ pthread_mutex_lock(&lock); while(!num) { num=1; } pthread_mutex_unlock(&lock); retu...
0
#include <pthread.h> long NTHREADS = 8; double pi = 0; long t_atis; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; void* runner(void* arg) { long a; int pi_t = 0; unsigned int random = rand(); unsigned int* random_ptr = &random; for (a = 0; a < t_atis; a++) { double k = rand_...
1
#include <pthread.h> static void thread_create(pthread_t *tid,void *(*fun)(void *)); static void thread_wait(pthread_t tid); void * fun1(void *arg); void * fun2(void *arg); pthread_mutex_t lock; int sum = 0; int main(int argc, char const *argv[]) { pthread_mutex_init(&lock,0); ...
0
#include <pthread.h> int N; int maxnum; char *Init; int PRINT; matrix A; double b[4096]; double y[4096]; { pthread_mutex_t lock; pthread_cond_t cond; int count; } barrier_t; static barrier_t barrier; int thread_num = 8; void work(void); void *gaussian_work(void* thr_id); void Init_Matr...
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#include <pthread.h> static volatile int counter = 0; int threshold; pthread_mutex_t lock; void *mythread(void *arg) { int i; int localCounter = 0; for (i = 0; i < 1000000; i++) { localCounter++; if (localCounter == threshold) { pthread_mutex_l...
0
#include <pthread.h> pthread_t tid1, tid2; int g_Flag = 0; static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; static pthread_cond_t cond = PTHREAD_COND_INITIALIZER; void* thread1(void *); void* thread2(void *); int main(void) { if(pthread_create(&tid2, 0, thread2, 0) != 0) return -2;...
1
#include <pthread.h> pthread_mutex_t me; } track_t; track_t tracks[2]; } station_t; int station; int direction; int id; } train_t; int *choices; int remaining; } selector_t; station_t *stations; track_t *tracks; train_t *trains; int n_stations; int n_trains; sel...
0
#include <pthread.h> pthread_mutex_t a; void* fn1(void * args){ int x, l, j, k; x = 0; l = 0; pthread_mutex_lock(&a);; j = 0; if( k != 25 ){ if( k == 21 ){ pthread_mutex_unlock(&a);; } else { } } else { k = 13; pthread_mutex_lock(&a);; } pthread_mutex_lock(&a);...
1
#include <pthread.h> int count; int pending_posts; } sem_t; sem_t sem_producer; sem_t sem_consumer; pthread_mutex_t mut_buf = {0,0}; pthread_mutex_t mut = {0,0}; pthread_mutex_t mutp = {0,0}; void sem_init(sem_t *sem, int pshared, unsigned int value) { sem->count = value; sem-...
0
#include <pthread.h> pthread_mutex_t mutex; int VAR = 0; void* p_inc(void* arg) { struct timespec ts; clock_gettime(CLOCK_REALTIME, &ts); ts.tv_sec += 5; ts.tv_nsec = 0; int res = pthread_mutex_timedlock(&mutex, &ts); for (int i = 0; i < 100000; i++) { VAR+...
1
#include <pthread.h> int thread_count = 0; static pthread_mutex_t mutex_stock = PTHREAD_MUTEX_INITIALIZER; struct args { int* a; int n; int level; }; void args_init(struct args * args, int *a , int n, int level) { args->a = a; args->n = n; args->level = level; } void quick_sort (str...
0
#include <pthread.h> unsigned long top = 0; unsigned long bottom = 1; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; void* checkPrime(void *arg) { unsigned long num = *(unsigned long *) arg; for (unsigned long i = 2; i <= num / 2; i++) { if (num % i == 0) { pthread_exit(0); ...
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#include <pthread.h> int count = 0; pthread_mutex_t counter_mutex = PTHREAD_MUTEX_INITIALIZER; int do_count(void) { int n; pthread_mutex_lock(&counter_mutex); count = count + 5; n = count -5; pthread_mutex_unlock(&counter_mutex); return n; } void my_copy(const char *s, FILE **fp...
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#include <pthread.h> pthread_mutex_t Device_mutex; struct VirtualPCB { int tid; char state; int priority; int arrivetime; int cpuburst; int needtime; int waittime; }PCB[20]; void thread_init() { int n; srand(time(0)); for(n=0; n<20; n++) { PCB[n].tid = n+1; PCB[n].state = 'F'; ...
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#include <pthread.h> int mystack_init(struct mystack* stack) { pthread_mutexattr_t mutex_attr; pthread_mutexattr_init(&mutex_attr); pthread_mutexattr_settype(&mutex_attr, PTHREAD_MUTEX_RECURSIVE_NP); pthread_mutex_init(&stack->mutex, &mutex_attr); pthread_mutexattr_destroy(&mutex_attr); ...
0
#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> void study(int ID); void * foodDeliveryService(void * size_of_order); void * studentActions(void * ID); pthread_t * students; pthread_t deliveryWorker; int delivery_service_called = 0; int * studentID; pthread_mutex_t food_lock = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t no...
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#include <pthread.h> int MyTurn = 0; { pthread_mutex_t *lock; pthread_cond_t *wait; int id; int size; int iterations; char *s; int nthreads; } Thread_struct; void *infloop(void *x) { int i, j, k; Thread_struct *t; t = (Thread_struct *) x; for (i = 0; i < t->iterations; i++) {...
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#include <pthread.h> void signal_dispatch (struct signal_state *ss, siginfo_t *si) { SIGNAL_DISPATCH_ENTRY; int signo = si->si_signo; assert (signo > 0 && signo < NSIG); assert (pthread_mutex_trylock (&ss->lock) == EBUSY); do { if ((sigmask (signo) & STOPSIGS)) { s...
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#include <pthread.h> struct dte_request_queue *dte_req_q; struct dte_alloc_info_t dte_alloc_info; void init_dte_request_queue(struct dte_request_queue **p_dte_req_q) { int i; struct dte_request *reserved_dte_request; *p_dte_req_q = (struct dte_request_queue *)malloc(sizeof(struct dte_request_...
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#include <pthread.h> { double *a; double *b; double sum; int veclen; } DOTDATA; int NUMTHRDS; int VECLEN; DOTDATA dotstr; pthread_t *callThd = 0; pthread_mutex_t mutexsum; void *dotprod(void *arg) { int i, start, end, len ; long offset; double mysum, *x, *y; offset = (long)arg...
0
#include <pthread.h> int n; char str[1024]; int print_turn = 0; pthread_cond_t cond_print_turn = PTHREAD_COND_INITIALIZER; pthread_mutex_t mtx_print_turn = PTHREAD_MUTEX_INITIALIZER; void* print_thread(void* my_turn) { long my_turn_idx = (long)my_turn; for (;;) { pthread_mutex_l...
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#include <pthread.h> static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; static int scholarship = 4000; static int total = 0; static void *calculate(void *data); struct Data { const char *name; int doze; }; int main(void) { pthread_t tid1; pthread_t tid2; pthread_t t...
0
#include <pthread.h> int s = 0; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; void *ExecutaTarefa (void *threadid) { int i; int tid = (int) threadid; printf("Thread : %d esta executando...\\n", (int) tid); for (i=0; i<10000000; i++) { pthread_mutex_lock(&mutex); s++...
1
#include <pthread.h> int proto_listenfd; int proto_vsftp_listenfd; int proto_stop = 1; pthread_t proto_listen_tid; void *proto_listen_thread( void *args ); pthread_t proto_reqhand_tid; void *(*proto_reqhand_thread)( void *args ); pthread_mutex_t proto_sockfd_pass_mutex; pthread_cond_t...
0
#include <pthread.h> int thread_count; int barrier_thread_counts[100]; pthread_mutex_t barrier_mutex; void Usage(char* prog_name); void *Thread_work(void* rank); int main(int argc, char* argv[]) { long thread, i; pthread_t* thread_handles; double start, finish; if (argc != 2) ...
1
#include <pthread.h> long i; pthread_t r[10]; pthread_t w[4]; long shared = 999; pthread_mutex_t wlock; pthread_mutex_t rclock; int reader_count = 0; void * writer(void * index) { long w = (long)index; while(1) { pthread_mutex_lock(&wlock); shared = random() % 1000; ...
0
#include <pthread.h> pthread_mutex_t full_mutex = PTHREAD_MUTEX_INITIALIZER; int full = 0; int count = 0; void* produce(void* x){ while(1){ while(full){ } pthread_mutex_lock(&full_mutex); count++; full = 1; printf("Produced: %d\\n", count); pthread_mutex_unlock(&full_mutex)...
1
#include <pthread.h> pthread_mutex_t global_lock = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t net_bh_lock = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t net_bh_wakeup = PTHREAD_COND_INITIALIZER; int net_bh_raised = 0; struct task_struct current_contents; int sock_wake_async (struct socket *so...
0
#include <pthread.h> void *hiloGetWEB(void *); void *hiloGetWEB(void *); int conexiones_add (char *url); pthread_t thread_id [5]; pthread_mutex_t mutexPool = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t mutexCounter = PTHREAD_MUTEX_INITIALIZER; int poolCounter = ...
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#include <pthread.h> pthread_mutex_t the_mutex; pthread_cond_t condc, condp, condp2; int buffer[100]; int i = 0; void * producer(void *ptr) { while(1) { printf("producer locking critical region\\n"); pthread_mutex_lock(&the_mutex); while( i == 100) { printf("buffer not empty, pr...
0
#include <pthread.h> pthread_mutex_t _sock_lock; void _bb_init_bb(){ if(pthread_mutex_init(&_sock_lock, 0) != 0){ puts("Failed to initialize mutex."); exit(1); } } int blox_sendDirectlyl(char* line, int len){ if(!irc_conn){ return -1; } if(!line){ ...
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#include <pthread.h>extern void __VERIFIER_error() ; unsigned int __VERIFIER_nondet_uint(); static int top=0; static unsigned int arr[(800)]; pthread_mutex_t m; _Bool flag=(0); void error(void) { ERROR: __VERIFIER_error(); return; } void inc_top(void) { top++; } void dec_to...
0
#include <pthread.h> struct msg { struct msg *msg_next; time_t msg_time; }; struct msg *head; pthread_cond_t qcond = PTHREAD_COND_INITIALIZER; pthread_mutex_t mlock = PTHREAD_MUTEX_INITIALIZER; void * process (void *arg) { struct msg *mp; for (;;) { pthread_mutex_lock (&mlock);...
1
#include <pthread.h> static pthread_mutex_t m_trace = PTHREAD_MUTEX_INITIALIZER; void output_init() { return; } void output( char * string, ... ) { va_list ap; char *ts="[??:??:??]"; struct tm * now; time_t nw; pthread_mutex_lock(&m_trace); nw = time(0); now = localt...
0
#include <pthread.h> long counter; pthread_mutex_t lock; time_t end_time; void *c_thread(void *args){ int i; while(time(0) < end_time){ pthread_mutex_lock(&lock); for(i=0;i<10000000;i++){ counter++; } pthread_mutex_unlock(&lock); } return 0; } void *m_...
1
#include <pthread.h> int thread_count = 4; int n = 10000; double a = 0.0; double b = 10.0; double h; int local_n; int flag; sem_t sem; pthread_mutex_t mutex; double total_flag = 0.0; double total_sem = 0.0; double total_mutex = 0.0; void *Thread_work(void* rank); double Trap(double local_a,...
0
#include <pthread.h> pthread_cond_t cond_empty, cond_full; pthread_mutex_t mutex; int count = 0, in = 0, out = 0; int buffer[3]; void *produtor(void *arg) { while (1) { sleep(rand()%5); pthread_mutex_lock(&mutex); while (count == 3) pthread_cond_wait(&cond_empt...
1
#include <pthread.h> struct arg_set{ int count; char *fname; }; pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t flag = PTHREAD_COND_INITIALIZER; struct arg_set *mailbox = 0; void *count_words(void *a) { struct arg_set *args = a; FILE *fp; int c, prevc = '\\0'; if((fp = f...
0
#include <pthread.h> bool receiver_data_raw(struct mux *mx, uint8_t chnum) { struct muxbuf *mxb = &mx->mx_buffer[MUX_IN][chnum]; uint16_t mss; uint8_t *cmd = mx->mx_recvcmd; size_t len1, len2, tail; int err; if (!sock_recv(mx->mx_socket, cmd, MUX_CMDLEN_DATA - 2)) { logmsg_err("Receiv...
1
#include <pthread.h> void generate(); void Read(); void *func1(void *arg); void *func2(void *arg); void calculate(); void resultToFile(); int A[1000]={0}; int prefix_sum[1000]={0}; int temp[1000]={0}; int n; pthread_t tids[1000][1000]; pthread_mutex_t mutex; struct S { int i ; int j ; }; i...
0
#include <pthread.h> void error_out(int errnum) { switch(errnum) { case 0: fprintf(stderr, "Usage: ./search-engine [num-indexer-threads] [list-of-files.txt]\\n"); exit(1); case 1: fprintf(stderr, "File does not exist.\\n"); exit(1); case 2: fprintf(stderr, "File s...
1
#include <pthread.h> pthread_mutex_t lock; int value; }SharedInt; sem_t sem; SharedInt* sip; int foo = 0; void *functionWithCriticalSection(int* v2) { pthread_mutex_lock(&(sip->lock)); sip->value = sip->value + *v2; int currvalue = sip->value; pthread_mutex_unlock(&(sip...
0
#include <pthread.h> int nitems; int buff[1000000]; struct { pthread_mutex_t mutex; int nput; int nval; } put = { PTHREAD_MUTEX_INITIALIZER, 0, 0 }; struct { pthread_mutex_t mutex; pthread_cond_t cond; int nready; } nready = { PTHREAD_MUTEX_INITIALIZER, PTHREAD...
1
#include <pthread.h> int countA; int countB; pthread_mutex_t mutex; } Counter; void* TF1(void*); void* TF2(void*); sem_t *b1, *b2, *print; Counter *c; int main(int argc, char **argv) { if (argc != 2) { return -1; } b1 = (sem_t *) malloc(sizeof(sem_t)); b2 = (sem_t *) mall...
0
#include <pthread.h> { double *a; double *b; double sum; int veclen; } DOTDATA; DOTDATA dotstr; pthread_t callThd[8]; pthread_mutex_t mutexsum; void *dotprod(void *arg){ int i, start, end, len ; long offset; double mysum, *x, *y; offset = (long)arg; le...
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#include <pthread.h> pthread_cond_t full_cond = PTHREAD_COND_INITIALIZER; pthread_mutex_t data_mutex = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t num_mutex = PTHREAD_MUTEX_INITIALIZER; pthread_t pthread[10]; int num_thread = 0; int isFull = 0; void *accessR (void*); int main (int argc, char*...
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#include <pthread.h> int readersInQueue = 0; int writersInQueue = 0; int readersInLibrary = 0; int writersInLibrary = 0; pthread_mutex_t varMutex = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t libraryMutex = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t entryCond = PTHREAD_COND_INITIALIZER; unsigned lon...
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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_INITIALIZER; extern char **environ; static void thread_init(void) { pthread_key_create(&key, free); } char * getenv(const char *name) { i...
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#include <pthread.h> static pthread_mutex_t mutex1 = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t condition_cond = PTHREAD_COND_INITIALIZER; void *generator_function(void *arg); void *print_function(void *arg); long sum; long finished_producers; int main(void) { pthread_t generatorThre...
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#include <pthread.h> pthread_mutex_t downloader_mutex, parser_mutex; unsigned long downloaders[MAX_THREADS]; unsigned long parsers[MAX_THREADS]; int downloader_threads = 0; int parser_threads = 0; char *fetch(char *link) { int fd = open(link, O_RDONLY); if (fd < 0) { fprintf(stderr, "f...
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#include <pthread.h> int x = 0; pthread_mutex_t x_mutex; pthread_cond_t x_cond; void *A (void *t) { int boba1, boba2; printf("A: Comecei\\n"); boba1=10000; boba2=-10000; while (boba2 < boba1) boba2++; printf("HELLO\\n"); pthread_mutex_lock(&x_mutex); x++; if (x==2) {...
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#include <pthread.h> sem_t SEntrada; pthread_mutex_t C1; pthread_mutex_t C2; char est[24]; pthread_t th_auto[19]; int lugar; void automovil( void *id ); int entrada( void *id ,int puerta); void salida( void *id ,int salida,int lug); void tiempo(int time); void interfaz(); int main() { int ...
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#include <pthread.h> struct ThumbQueue { struct ThumbQueue *next; char *uri; char *flavour; int id; }; struct { pthread_mutex_t mutex; struct ThumbQueue *first; struct ThumbQueue *last; sem_t work; pthread_t thread; int counter; } thumb_state; struct ThumbMemBuffer { void *data; in...
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#include <pthread.h> void* handle_clnt(void *arg); void send_msg(char *msg, int len); void error_handling(char *msg); int clnt_cnt = 0; char message[1024]; int clnt_socks[256], level[7]; int max_cnt; int message_cnt=0; pthread_mutex_t mutx=PTHREAD_MUTEX_INITIALIZER; int main(int argc, char *argv[...
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#include <pthread.h> int count; double values[10]; pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; void push(double v) { pthread_mutex_lock(&m); values[count++] = v; pthread_mutex_unlock(&m); } double pop() { pthread_mutex_lock(&m); double v = values[--count]; pthread_m...
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#include <pthread.h> static pthread_mutex_t owsl_openssl_user_mutex ; static size_t owsl_openssl_user_count ; static pthread_mutex_t * owsl_openssl_mutex_array = 0 ; static size_t owsl_openssl_mutex_size ; struct CRYPTO_dynlock_value { pthread_mutex_t mutex ; } ; int owsl_openssl_wrapper_initi...
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#include <pthread.h> double h; double result; int N; double step; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; double exp(double x); double f(double x){ return x*x; } void *partialTrapezoid(void *inter){ double *interval = ((double *) inter); int i; double x_i; double a = i...
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#include <pthread.h> static pthread_t buffer_dump_thread, read_log_thread; static char *key, *buf; static int cur_pos = 0, fd; static FILE *flog; static pthread_mutex_t buf_access; static void *buffer_dump(void *arg) { int t; pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &t); pthread_setcance...
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#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 =...
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#include <pthread.h> static int buffer[8]; static int n = 0; static pthread_mutex_t lock; static pthread_mutex_t mutex; pthread_cond_t fila = PTHREAD_COND_INITIALIZER; void produtor(void) { int i; for(i = 0; i < 64; i++) { if(n == 8) { pthread_cond_wait(&fila, &mutex); } ...
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#include <pthread.h> pthread_t cons[2]; pthread_t prod[2]; pthread_mutex_t buffer_mutex; int buffer[1000]; int prod_pos=0, cons_pos=0; void *produtor(void *arg) { int n; while(1) { n = (int)(drand48() * 1000.0); pthread_mutex_lock(&buffer_mutex); buffer[prod_pos] = n; prod_pos = (pr...
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#include <pthread.h> int count = 0; int thread_ids[3] = {0,1,2}; pthread_mutex_t count_lock=PTHREAD_MUTEX_INITIALIZER; pthread_cond_t count_hit_threshold=PTHREAD_COND_INITIALIZER; void *inc_count(void *idp) { int i=0, save_state, save_type; int *my_id = idp; for (i=0; i<10; i++) { ...
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#include <pthread.h> void * enanitos(void *); void * blancanieves(void *); sem_t sillas; pthread_mutex_t comer = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t comiendo = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t puede_comer = PTHREAD_COND_INITIALIZER; void * enanitos(void * p){ int valor_sem; ...
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#include <pthread.h> pthread_mutex_t shortTermSchedulerMutex; bool enableShortTermScheduler; sem_t processInReady_sem; void initializeshortTermScheduler() { pthread_mutex_init(&shortTermSchedulerMutex, 0); sem_init(&processInReady_sem, 1, 0); enableShortTermScheduler = 1; } void...
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#include <pthread.h> int chain; pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t w = PTHREAD_COND_INITIALIZER; pthread_cond_t all = PTHREAD_COND_INITIALIZER; void *thread(void *arg) { chain -= 1; pthread_t tid; if (chain == 0) { pthread_mutex_lock(&m); ...
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#include <pthread.h> void* osl_mutex_create() { int32_t ret = 0; pthread_mutex_t *mt; pthread_mutexattr_t pma; mt = (pthread_mutex_t*)malloc( sizeof(pthread_mutex_t) ); if( mt ) { memset( mt, 0, sizeof(pthread_mutex_t) ); ret |= pthread_mutexattr_init( &pma ); ret |= pthread_mute...
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