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#include <pthread.h> struct element { int value; pthread_mutex_t lock; }; struct element* buffer; int max_buffer_size; int count; int fd; pthread_mutex_t fileLock; int in; int out; pthread_mutex_t proLock; int val=0; void * producerFunction(void* args) { int i; char name[100]; spri...
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#include <pthread.h> static pthread_t ui_thread; static pthread_mutex_t ui_mutex = PTHREAD_MUTEX_INITIALIZER; static pthread_mutex_t ui_list_mutex = PTHREAD_MUTEX_INITIALIZER; static int initialized; static struct generic_queue_head ui_msg_queue; static int text_msg(int level, const char ...
0
#include <pthread.h> void keepBusy( double howLongInMillisec ); pthread_mutex_t mutex; pthread_mutexattr_t attr; pthread_cond_t cv; int balance; } Account; Account* create_account(); void deposit( Account* a, int dep ); void withdraw( Account* a, int draw ); void multiple_deposits( Account...
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#include <pthread.h> pthread_mutex_t mutex, mutex2, mutex3; time_t init_time; int cnt, cnt2; void espera_activa( int tiempo) { time_t t; t = time(0) + tiempo; while(time(0) < t); } int get_the_time(){ return (time(0) - init_time); } void *tareaA( void * args) { printf("%d::A::voy a...
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#include <pthread.h> int counter = 0; pthread_mutex_t my_mutex[5]; void *test_mutex(void *tid) { int thread_id; int rnd; int *tt; tt = tid; thread_id = (int) *tt; rnd = rand() % 5; sleep(rnd); if (thread_id > 0) { pthread_mutex_lock(&my_mutex[thread_id]); } ...
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#include <pthread.h> void testerFunc (int argc, char *argv[]); void *threadAction(void *pointer); void printInfo(struct timespec begin, struct timespec end); void add_synC(long long *pointer, long long value); int iterations = 1; int numThreads = 1; int syncMethod = 0; int opt_yield = 0; int tes...
0
#include <pthread.h> pthread_mutex_t mutex_b; pthread_mutex_t en_espera_h; pthread_mutex_t en_espera_m; pthread_cond_t hombres_filtro; pthread_cond_t mujeres_filtro; int estado; int fila_hombres = 0; int fila_mujeres = 0; int total_p = 0; void entrar_bano(int num, pthread_mutex_t *mutex, pthread...
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#include <pthread.h> volatile int flags[10]; volatile int wait[10]; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; void *DoWork1(void *threadid) { flags[0] = flags[0] + 1; wait[0] = 0; pthread_exit(0); } void *DoWork2(void *threadid) { pthread_mutex_lock (&mutex); f...
0
#include <pthread.h>extern void __VERIFIER_error(); unsigned int __VERIFIER_nondet_uint(); static int top = 0; static unsigned int arr[5]; pthread_mutex_t m; _Bool flag = 0; void error(void) { ERROR: __VERIFIER_error(); return; } void inc_top(void) { top++; } void dec_top(void) { top--; } int get_top(void...
1
#include <pthread.h> struct range { long start; long end; }; float numbers[1000000]; double sum=0.0; pthread_mutex_t lock=PTHREAD_MUTEX_INITIALIZER; void *sumNumbersInRange(void *range); void timeval_print(struct timeval *tv) { printf("%06ld microseconds\\n", tv->tv_usec); } int ...
0
#include <pthread.h> struct sin_pkt * sin_pkt_ctor(struct sin_pkt_zone *my_zone, int zone_idx, struct netmap_ring *my_ring, int *e) { struct sin_pkt *pkt; pkt = malloc(sizeof(struct sin_pkt)); if (pkt == 0) { _SET_ERR(e, ENOMEM); return (0); } memset(pkt, '\\...
1
#include <pthread.h> pthread_mutex_t sharedElementMutex; pthread_cond_t canConsumeCondition; int isEmpty = 1; int isDone = 0; int numOfThreads = 0; int rc = 0; struct _linked_list* lst; int value; struct _list_node* next; struct _list_node* prev; }list_node; list_node* head; list_no...
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#include <pthread.h> int removeProduct(struct ringBuffer * buffer){ printf("\\n+--------------------------------------+\\n"); printf("+ CONSUMING AND INSERTING PRODUCT +\\n"); printf("+--------------------------------------+\\n"); int currentOut = buffer->out; struct product * dat...
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#include <pthread.h> pthread_mutex_t mutex; pthread_t tidP,tidC; sem_t full,empty; int counter; int buffer[10]; void initialise() { pthread_mutex_init(&mutex,0); sem_init(&full,1,0); sem_init(&empty,1,10); counter=0; } void write(int item) { buffer[counter++]=item; } in...
0
#include <pthread.h> struct msg { struct msg *m_next; void *private_data; }; struct job { struct job *j_next; struct job *j_prev; pthread_t j_id; }; struct msg *workq; pthread_cond_t qready = PTHREAD_COND_INITIALIZER; pthread_mutex_t qlock = PTHREAD_MUTEX_INITIALIZER; void process_msg(v...
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#include <pthread.h> void philosopher_fn(void*); pthread_mutex_t mutex_arr[5]; sem_t four_chairs; int main() { int i=0; pthread_t threads[5]; for(i=0;i<5;i++){ pthread_mutex_init(&mutex_arr[i],0); } sem_init(&four_chairs,0,4); i = 0; while(i<5){ ...
0
#include <pthread.h> pthread_mutex_t lock; struct timeval start_time,end_time; float seq_thread_func(long int size) { int k=0; pthread_mutex_lock(&lock); long int blockSize=(long int)(20*1000000)/size; char *mem1; char *mem2; mem1=malloc(blockSize*size); mem2=malloc(block...
1
#include <pthread.h> void InitBasicQueue(int size) { CIRCLEQ_INIT(&head); CIRCLEQ_INIT(&rq_head); pthread_mutex_init(&lock, 0); } void BasicEnqueue(void* task) { struct basicentry* n = (struct basicentry*) malloc(sizeof(struct basicentry)); n->elem = task; pthread_mutex_lock(&lock); CIRCLE...
0
#include <pthread.h> void thread_listen() { int sockfd, income_sockfd; struct sockaddr_in local, income; sockfd = socket(AF_INET, SOCK_STREAM, 0); if (sockfd < 0) { perror("Listening socket"); exit(1); } socket_reuse(sockfd); local.sin_family = AF_INE...
1
#include <pthread.h> int count = 0; pthread_mutex_t count_mutex; pthread_cond_t count_threshold_cv; void *inc_count(void *idp) { int j,i; double result=0.0; long my_id = (long)idp; for (i=0; i < 10; i++) { pthread_mutex_lock(&count_mutex); count++; if (count ==...
0
#include <pthread.h> pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t C = PTHREAD_COND_INITIALIZER; int customer_count = 0; int chair_count = 5; int flag_sleeping=0; int max_customer_count = 10; int total = 10; pthread_cond_t call_customer=PTHREAD_COND_INITIALIZER; pthread_con...
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#include <pthread.h> struct handler_list { void (*handler)(void); struct handler_list * next; }; static pthread_mutex_t pthread_atfork_lock = PTHREAD_MUTEX_INITIALIZER; static struct handler_list * pthread_atfork_prepare = 0; static struct handler_list * pthread_atfork_parent = 0; static stru...
0
#include <pthread.h> int ca = 0; int ce = 0; int ci = 0; int co = 0; int cu = 0; int c; FILE * fp; pthread_t h[3]; pthread_mutex_t candl; pthread_mutex_t cande; int cuentaLineas(char * ptr); void contador(void * ptr); int main(int argc, char **argv){ char * nomarch; nomarch = argv[1];...
1
#include <pthread.h> pthread_mutex_t read_mutex, write_mutex; void* write() { char *ret; FILE *f; char str[20]; pthread_mutex_lock(&write_mutex); sleep(5); pthread_mutex_lock(&read_mutex); printf("\\nFile Locked. Please Enter the content to be written in the file...\\n"); scanf("%s", s...
0
#include <pthread.h> pthread_mutex_t stderr_lock = PTHREAD_MUTEX_INITIALIZER; static void (*die_cb)() = 0; static int suppress = s_none; void merr_suppress(int s) { suppress = s; } void die_set_cb(void (*cb)(int)) { die_cb = cb; } void fprintfp(FILE *fd, const char *fmt, ...) { va_list ap...
1
#include <pthread.h> float pougre=0; pthread_mutex_t lemutex; void* oddsum(void* arg) { int plo; for (plo=1 ; plo<=100 ; plo+=2) { pthread_mutex_lock(&lemutex); pougre+=sqrt(plo); pthread_mutex_unlock(&lemutex); } pthread_exit(0); } void* evensum(void* arg) { int iougre; for (iougr...
0
#include <pthread.h> int tid; pthread_mutex_t * p2c; pthread_mutex_t * c2p; int numVerts; int numThr; int** M_prev; int** M_curr; } pt_mat; void *Thr(void *thrargs) { struct pt_mat *mat; mat = (struct pt_mat *)thrargs; int t = (mat->tid); int i,j,k; for(k=0; k<(mat->numVer...
1
#include <pthread.h> void ft_print_maps_size(void) { ft_putstr("\\033[33m"); ft_putstr("Tiny size: "); ft_putnbr(g_env.tiny_size); ft_putstr(" || alloc: "); ft_putnbr(g_env.tiny_alloc_size); ft_putchar('\\n'); ft_putstr("Small size: "); ft_putnbr(g_env.small_size); ft_putstr(" || alloc: "...
0
#include <pthread.h> pthread_mutex_t mutexA = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t mutexB = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t mutexC = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t mutexD = PTHREAD_MUTEX_INITIALIZER; void *thread_func1(void *tmp) { while(1) { pthread_mutex_lock(&m...
1
#include <pthread.h> int counter = 0; pthread_mutex_t my_mutex[5]; pthread_mutex_t my_cond_mutex; pthread_cond_t cond; void *test_mutex(void *tid) { int thread_id; int rnd; int *tt; tt = tid; thread_id = (int) *tt; rnd = rand() % 3; sleep(rnd); pthread_mutex_lock(&my_cond_m...
0
#include <pthread.h> unsigned long Flag_Count; unsigned long Flag_Range; unsigned long Flag_Threads; unsigned long Threads_Completed; pthread_mutex_t Lock = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t Job_Done = PTHREAD_COND_INITIALIZER; void emit_help(void); void *worker(void *unused); int m...
1
#include <pthread.h> extern struct FileList* root; void* upload(void* arg) { int clntSock = ((struct connection*)arg)->clntSock; struct sockaddr_in clntAddr = ((struct connection*)arg)->clntAddr; int clntAddrLen = ((struct connection*)arg)->clntAddrLen; struct FileList* file; char buffer[MAX...
0
#include <pthread.h> pthread_mutex_t lock; int pid_map[350 +1]; int last; int allocate_map(void) { int i; for (i = 300; i < 350 +1; i++) pid_map[i] = 0; last = 300; return 1; } int allocate_pid(void) { int new_pid, i; int map_range = (350 - 300); if (last > 350 ||...
1
#include <pthread.h> struct signalfd_context { int fd; int flags; struct signalfd_context *next; }; static struct signalfd_context *signalfd_contexts; pthread_mutex_t signalfd_context_mtx = PTHREAD_MUTEX_INITIALIZER; struct signalfd_context * get_signalfd_context(int fd, bool create_new)...
0
#include <pthread.h> pthread_mutex_t lock; int value; }SharedInt; sem_t sem; SharedInt* sip; void *functionWithCriticalSection(int* v2) { pthread_mutex_lock(&(sip->lock)); sip->value = sip->value + *v2; int i = 0; while(i < 3) { pthread_mutex_unlock(&(sip->lock))...
1
#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> pthread_mutex_t *mut; int writers; int readers; int waiting; pthread_cond_t *writeOK, *readOK; } rwl; rwl *initlock (void); void readlock (rwl *lock, int d); void writelock (rwl *lock, int d); void readunlock (rwl *lock); void writeunlock (rwl *lock); void...
1
#include <pthread.h> int create_cyclic_int_buffer(struct cyclic_int_buffer *cyclic_buffer, size_t capacity) { cyclic_buffer->internal_capacity = capacity + 1; cyclic_buffer->read_idx = 0; cyclic_buffer->write_idx = 0; cyclic_buffer->is_empty = 1; cyclic_buffer->is_full = 0; pthread_m...
0
#include <pthread.h> struct foo *fh[29]; pthread_mutex_t hashlock = PTHREAD_MUTEX_INITIALIZER; struct foo { int f_count; pthread_mutex_t f_lock; int f_id; struct foo *f_next; }; struct foo *foo_alloc(int id) { struct foo *fp; int idx; if((fp = (struct foo *)mallo...
1
#include <pthread.h> struct mpd_connection *conn = 0; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; void InitMPC(void) { FILE * pFile; pFile = fopen (ONLINE_LIST_PATH,"wb"); if (pFile==0) { perror ("nd InitMPC create online.lst.m3u Error\\n"); } fclose(pFile); new_connection(&co...
0
#include <pthread.h> char share_buffer[5]; int curr=-1; int empty=0; int full=5; pthread_mutex_t share_mutex; sem_t non_empty,non_full; void * consumer_func(void * whichone) { int position; char data; char *who; who = (char *)whichone; printf("%s: Starting...\\n",who); while(1)...
1
#include <pthread.h> static pthread_mutex_t *lockarray; static void lock_callback(int mode, int type, char* file, int line) { (void) file; (void) line; if (mode & CRYPTO_LOCK) { pthread_mutex_lock(&(lockarray[type])); } else { pthread_mutex_unlock(&(lockarray[type])); } } static un...
0
#include <pthread.h> static char pool[5 * STRING_SIZE]; static int inUse[5]; static unsigned int inUseCount; static pthread_mutex_t mutex; static pthread_cond_t condition; int initStringPool() { int i, ret; pthread_mutexattr_t attr; inUseCount = 0; ret = initRTMutexAttr(&attr); if(ret !...
1
#include <pthread.h> void *iniciarAplicacao() { int i; ic_num = 0; for (i = 0; i < MAX_PS; i++) ps[i] = -1; int te, tr; pthread_t threadReceberPacotes; tr = pthread_create(&threadReceberPacotes, 0, receberPacotes, 0); if (tr) { printf("ERRO: impos...
0
#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 <= 1000000000; i++) { pthread_mutex_lock(&the_mutex); while(buffer != 0) { pthread_cond_wait(&condp, &the_mutex); ...
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; int f_id; struct foo *f_next; }; struct foo* foo_alloc(int id) { struct foo *fp; int idx; if((fp = malloc(sizeof(struct foo))) !=0){ fp->f_...
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#include <pthread.h> pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; pthread_t tid; int maxNum; int iter; int sum; void *func(void *arg) { (char *)arg; while (1) { pthread_mutex_lock(&lock); iter++; sum += iter; if(maxNum < iter) { ...
1
#include <pthread.h> int quitflag; sigset_t mask; pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t waitloc = PTHREAD_COND_INITIALIZER; static void sig_int(int signo){ printf("catch sigint:%ld\\n",(unsigned long)pthread_self()); } void *thr_fn(void *arg){ int err, signo; signa...
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#include <pthread.h> struct cell { int player_id; pthread_mutex_t cell_lock; }; struct field { pthread_rwlock_t field_lock; struct cell* cells; }; int dim = 0; int min_players; int player_count = 0; int delay = 0; int join_countdown = 10000; struct field* field; void req...
1
#include <pthread.h> int number; pthread_mutex_t mutex; void* funcA_num(void* arg) { for(int i=0; i<10000; ++i) { pthread_mutex_lock(&mutex); int cur = number; cur++; number = cur; printf("Thread A, id = %lu, number = %d\\n", pthread_self(), num...
0
#include <pthread.h> void pipeline_link_pipe_init(struct pipeline_link_pipe* link, unsigned int buffer_size) { pipeline_link_init((struct pipeline_link*)link, pipeline_link_pipe_push, pipeline_link_pipe_pop, pipeline_link_pipe_is_full, pipeline_link_pipe_is_empty, pipeline_link_pipe_i...
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#include <pthread.h> pthread_mutex_t barrier; pthread_cond_t go; int numWorkers; int numArrived = 0; void Barrier() { pthread_mutex_lock(&barrier); numArrived++; if (numArrived == numWorkers) { numArrived = 0; pthread_cond_broadcast(&go); } else pthread_cond_wait(&go, &barr...
0
#include <pthread.h> static char* output_string = 0; static pthread_mutex_t output_lock; static int initialized = 0; static pthread_t thread; static void* query_brightness_thread() { if( output_string == 0 ) { output_string = calloc( 32, sizeof(char) ); } while( initia...
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#include <pthread.h> pthread_mutex_t mutex; void *myfunc(void *arg) { pthread_mutex_lock(&mutex); pthread_mutex_unlock(&mutex); return 0; } int main() { pthread_t t; pthread_mutex_init(&mutex, 0); pthread_create(&t, 0, myfunc, 0); int ret; if ((ret = fork()) > 0) { wait(0); ...
0
#include <pthread.h> void *raw_socket(void *pParam){ struct frame_queue *temp; int sockfd,on = 1; struct sniff_ip *iph; int len,iph_len; struct sockaddr_in dst_sin; ssize_t size; int i; unsigned char *data; unsigned short recv_sum,calc_sum; char message[150]; sockfd = socket...
1
#include <pthread.h> struct foo * fh[29]; pthread_mutex_t hashlock = PTHREAD_MUTEX_INITIALZER; 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 ...
0
#include <pthread.h> pthread_mutex_t globalMutex[2]; pthread_cond_t globalCondVar[2]; static void *threadFunc1(void *args) { assert(args == 0); pthread_mutex_lock(&globalMutex[0]); pthread_cond_wait(&globalCondVar[0], &globalMutex[0]); printf("X modified by threadFunc 1\\n"); pthr...
1
#include <pthread.h> pthread_mutex_t lock; int Var = 0; void *thread_function2(void *arg) { while (1) { sleep(1); pthread_mutex_lock(&lock); Var++; pthread_mutex_unlock(&lock); printf("I am in Thread2 Var = %d\\n", Var); } pthrea...
0
#include <pthread.h> int q[5]; int source[7]; int qsiz; pthread_mutex_t mq; void *queue_insert (void * arg) { int done = 0; int i = 0; int x = 1; qsiz = 5; while (done == 0) { pthread_mutex_lock (&mq); if (qsiz < 5) { done = 1; q[qsiz] = x...
1
#include <pthread.h> struct pthread_args { long iterations; pthread_mutex_t mutex; }; void *calculate_pi(void *ptr) { struct pthread_args *attr = ptr; double lsum = 0.0; for(;;) { pthread_mutex_lock(&(attr->mutex)); long i = attr->iterations; attr->iterations = attr->ite...
0
#include <pthread.h> struct { int maxproc; int *pids; int terminate; procfunc_t func; void *param; pthread_mutex_t mutex; pthread_cond_t cond; } PCtrlParam; static void *_monitor(void *); static void _sigusr1(int sig); static void _sigusr1_child_default(int sig); i...
1
#include <pthread.h> struct xml_cntn_rcvr *xml_cntn_rcvr_create() { struct xml_cntn_rcvr *new = malloc(sizeof(*new)); new->seq = 0; new->subcllst = 0; assert(!pthread_cond_init(&new->cond, 0)); assert(!pthread_mutex_init(&new->mutex, 0)); return new; } void xml_cntn_rcvr_delete(struct x...
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#include <pthread.h> int thread_flag; pthread_cond_t thread_flag_cv; pthread_mutex_t thread_flag_mutex; void wait_n_secs(int seconds, unsigned char show_output) { int i; for (i = 1; i <= seconds; ++i) { usleep(1000000); if (show_output) printf("Second %d\\n", i); } } v...
1
#include <pthread.h> int SIZE = 500; int generations_amount = 500; int num = 0; int freq = 100; pthread_t thread[8]; pthread_t thread_init; int end[8]; char map[2][8000][8000]; unsigned long long mask = 0; int was_printed = 0; int was_initialized = 0; pthread_mutex_t lock = PTHREAD_MUTEX_INITIA...
0
#include <pthread.h> { pthread_mutex_t mutex; pthread_cond_t cond; } Lock_pl_t; void LOCK_PL_init(void **handle) { Lock_pl_t *lock = (Lock_pl_t *)malloc(sizeof(Lock_pl_t)); pthread_mutex_init(&lock->mutex, 0); pthread_cond_init(&lock->cond, 0); *handle = lock; return; } void LOCK_...
1
#include <pthread.h> static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; static pthread_cond_t cond = PTHREAD_COND_INITIALIZER; static const int N = 5; char warunek = 0; static void* watek(void* numer){ printf("\\t uruchomiono watek numer: %d\\n",(int)numer); while(1){ pthr...
0
#include <pthread.h> int is_prime(uint64_t p) { uint64_t premier = 0; uint64_t i=2; while (i<p && premier==0) { if (p%i==0) { premier=1; } i++; } return premier; } void print_prime_factors(uint64_t n) { printf("%lu:", n); uint64_t i=2; while (i<=n) { if (n%i==0) { printf(" %lu"...
1
#include <pthread.h> void *sum(void *p); unsigned long int psum; char padding[64 - sizeof(unsigned long int)]; } Psum; Psum psum[8]; unsigned long int sumtotal = 0; unsigned long int n; int numthreads; pthread_mutex_t mutex; int main(int argc, char **argv) { pthread_t tid[8]; int i,...
0
#include <pthread.h> int DEBUG = 0; int NUM_THREADS = 5; int left(int phil_id) { return phil_id; } int right(int phil_id) { if (phil_id == NUM_THREADS - 1) { return 0; } else return phil_id + 1; } static pthread_mutex_t mutexes[5]; void chopsticks_init() { ...
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#include <pthread.h> static int64_t _hdr_phaser_get_epoch(int64_t* field) { return __atomic_load_n(field, 5); } static void _hdr_phaser_set_epoch(int64_t* field, int64_t val) { __atomic_store_n(field, val, 5); } static int64_t _hdr_phaser_reset_epoch(int64_t* field, int64_t initia...
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; struct foo* f_next; int f_id; }; struct foo* foo_alloc(int id) { struct foo *fp; int idx; if((fp = (struct foo*)malloc(...
1
#include <pthread.h> pthread_mutex_t mutex; pthread_cond_t fumatori; pthread_cond_t nfumatori; int occupatiS1_nf; int occupatiS2_f; int occupatiS2_nf; int fumatoriAttesa; int nfumatoriAttesa; } sala; sala S; void nfumatori_entra(sala *s, int *sala) { int i; pthread_mutex_lock(&s...
0
#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<=100000000;i++) { pthread_mutex_lock(&the_mutex); while(buffer !=0) pthread_cond_wait(&condp, &the_mutex); buffer=i; pthread_cond_signal(&condc)...
1
#include <pthread.h> pthread_mutex_t m[6]; void *th(void *arg) { unsigned id = (unsigned long) arg; int i = id; int j = 1; while (i < 6 && j < 4) { pthread_mutex_lock(&m[i]); i+=j; j++; } while (i > id) { j--; i-=j; pthread_mutex_unlock(&m[i]); } return 0; } int ma...
0
#include <pthread.h> _dataType data; struct _node* next; }node,*nodep,**nodepp; nodep head = 0; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; pthread_cond_t cond = PTHREAD_COND_INITIALIZER; nodep buyNode(_dataType val) { nodep tmp = (nodep)malloc(sizeof(node)); if(tmp!= 0) { tmp->da...
1
#include <pthread.h> long points_per_runner; long daire_ici; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; struct point { float x; float y; }; long thread_basina_iterasyonu_hesapla(long iterasyon_sayisi, int thread_sayisi) { return (iterasyon_sayisi / thread_sayisi); } int icerid...
0
#include <pthread.h> void *pth_functionProducer(); void *pth_functionConsumer(void *); int count=0; int fp; pthread_mutex_t Rmutex; { off_t offset; char data[4096]; }NODE; struct BUF { int flag; NODE *node; }buf[10]; int isEmpty(); int isFull(); int main(int argc,char *argv[]) ...
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#include <pthread.h> { int job; struct jobnode* next; }JOB; JOB *head=0,*tail=0,*new_job,*traverse; pthread_mutex_t mutex=PTHREAD_MUTEX_INITIALIZER; void *job_checking(void *arg) { for(;traverse!=0;) { pthread_mutex_lock(&mutex); printf("Job %d got checked by thread id: %d.\\n",traverse->j...
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#include <pthread.h> int g_signaled = 0; pthread_mutex_t g_lock; pthread_cond_t g_cond; void *wait(void *data) { pthread_mutex_lock(&g_lock); while (g_signaled == 0) { printf("%lu wait cond\\n", pthread_self()); pthread_cond_wait(&g_cond, &g_lock); } pthread_mutex_unlock(&...
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#include <pthread.h> int count_in=0,count_out=0; int dist_count[2]; pthread_mutex_t tunnel_in = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t tunnel_out = PTHREAD_MUTEX_INITIALIZER; pthread_mutex_t dist[2] = {PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER}; int sem[2]; void in_tunnel(int ...
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#include <pthread.h> { unsigned char status; char data[1024]; }Block_Info; static int initindicator = 0; pthread_mutex_t gmutex = PTHREAD_MUTEX_INITIALIZER; Block_Info memory_block_arr[2]; int init() { memset(memory_block_arr, 0, 2*1024); } char * mymalloc(size) { int lindex; if(size> 1...
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#include <pthread.h> static pthread_key_t g_tid_key; static pthread_mutex_t g_thread_id_lock = PTHREAD_MUTEX_INITIALIZER; static uint32_t g_next_tid = 0; void unique_tid(void) { pthread_mutex_lock(&g_thread_id_lock); if (g_next_tid != 0) { pthread_mutex_unlock(&g_thread_id_lock); r...
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#include <pthread.h> int g_itemnum; struct { pthread_mutex_t mutex; int buff[(100000)]; int nindex; int nvalue; } shared; void* producer(void*); void* consumer(void*); int main(void) { int i; int threadnum, threadcount[(10)]; pthread_t tid_producer[(10)], tid_consu...
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#include <pthread.h> extern struct point p[MAX_POINTS]; extern struct point u[MAX_CENTERS]; extern int c[MAX_POINTS]; extern int iters; extern struct global_cluster cal_centre; extern pthread_mutex_t glob_clust_lock; extern pthread_barrier_t thrd_bar; void *k_means(void *parameter) { int i ...
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#include <pthread.h> void *Tackle(void *Dummy) { extern pthread_cond_t Snap; extern pthread_mutex_t Mutex; pthread_mutex_lock(&Mutex); printf("Waiting for the snap\\n"); pthread_cond_wait(&Snap,&Mutex); pthread_mutex_unlock(&Mutex); printf("Tackle!!\\n"); return(...
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#include <pthread.h> pthread_mutex_t lock; pthread_mutex_t lock2; int value; int value2; sem_t sem; void *functionWithCriticalSection(int* v2) { pthread_mutex_lock(&(lock)); value = value + *v2; pthread_mutex_unlock(&(lock)); sem_post(&sem); } void *functionWithOtherCriticalSe...
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#include <pthread.h> int queue[10 + 1]; int r = 0; int f = 0; int over = 0; pthread_mutex_t m; pthread_cond_t c; void enqueue(int n) { queue[++r] = n; } int dequeue() { return queue[++f]; } int q_empty() { return f == r; } void* producer(void* p) { int n = *(int*)p; for(int i = 0; i < n; +...
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#include <pthread.h> void hello(); void world(); void again(); pthread_mutex_t mutex; pthread_cond_t done_hello, done_world; int done = 0; int main (int argc, char *argv[]){ pthread_t tid_hello, tid_world, tid_again; pthread_mutex_init(&mutex, 0); pthread_cond_init(...
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#include <pthread.h> pthread_t t[7]; pthread_mutex_t mtx[10]; int sum_rest[10]; void * doIt(void *arg) { int i; for(i = 0; i < 100; ++ i) { int x = rand() % 10000; printf("Thread mod: %d, nr: %d\\n", x % 10, x); pthread_mutex_lock(&mtx[x % 10]); sum...
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#include <pthread.h> pthread_mutex_t mutex; pthread_cond_t cond_lei; pthread_cond_t cond_esc; int escritoras = 0, leitoras = 0, filaEsc = 0; { int contador; int idThread; } File; File a; void init_leitora(){ pthread_mutex_lock(&mutex); while(escritoras > 0 || filaEsc > 0){ pthre...
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#include <pthread.h> struct gamelock { void* object; sem_t readOnly; sem_t modify; pthread_mutex_t atom; }; struct gamelock* gamelock_new(void* object) { struct gamelock* lock; lock = malloc(sizeof(struct gamelock)); if (lock == 0) { pok_exception_flag_memory_e...
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#include <pthread.h> { int readers; int slots[10]; }mem_structure; mem_structure *stocklist; pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; sem_t *stop_writers; int shmid; pthread_t my_threads[5 + 5]; int id[5 + 5]; void init() { sem_unlink("STOP_WRITERS"); stop_writers = sem_o...
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#include <pthread.h> pthread_mutex_t theMutex; pthread_cond_t theCond; int val; struct _buffer *next; } buffer; buffer *beginBuf; void* producer(void *args); void* consumer(void *args); void insert(int n); int get(); int getSize(buffer *buf); int isPrime(long unsigned int n); void p...
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#include <pthread.h> pthread_t thread; int terminate; struct NWORKQUEUE *workqueue; struct NWORKER *prev; struct NWORKER *next; } nWorker; void (*job_function)(struct NJOB *job); void *user_data; struct NJOB *prev; struct NJOB *next; } nJob; struct NWORKER *workers; struct NJOB *waiti...
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#include <pthread.h> int main(int argc, char const *argv[]) { srand(time(0)); int i,tmp[P],err; err = pthread_mutex_init(&disp_mutex,0); assert(!err); for(i = 0;i < P;++i) { forkState[i] = 1; phil_cycles[i] = 0; err = pthread_mutex_init(&mutex[i],0); assert(!err); } for(i = 0;...
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#include <pthread.h> enum { QUEUE_BUF_SIZE = 100000, }; int size; int tail; void **buf; } vector_t; int front; int tail; int max_size; void **cyclic_buf; } queue_cycl_t; vector_t *vector_init(int size) { vector_t *tmp = 0; tmp = (vector_t *)calloc(1, siz...
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#include <pthread.h> const int LAST_CUSTOMER_ARRIVAL_TIME = 59; int customerCounter = 0; int (*queue)[10]; int lineFront[10]; pthread_mutex_t queueMutex; void* customer(void*); pthread_t* newCustomer(int sellerIndex) { pthread_t customerThreadID; pthread_attr_t custom...
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#include <pthread.h> pthread_mutex_t spoon[5]; void phil_init(int a, int* b, int* c) { *b=(a>0) ? a-1 : 5; *c=a; printf("Philosopher %d started\\n", a+1); return; } int check_If_Spoons_Are_Available(int a, int b, int c) { int sum=0; if(a&1) { sum = pthread_mutex_trylock(&spoon[c]...
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#include <pthread.h> sem_t forks[5]; pthread_mutex_t mutex; void init ( ) { int i; for ( i = 0 ; i < 5 ; i++ ) sem_init(&forks[i],0,1); } void * philosopher ( void* arg ) { int* p = (int*)arg; int x = *p; while ( 1 ) { pthread_mutex_lock(&mutex); ...
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#include <pthread.h> struct pp_thread_info { int *msgcount; pthread_mutex_t *mutex; pthread_cond_t *wait_cv; pthread_cond_t *signal_cv; char *msg; int modval; }; void * pp_thread(void *arg) { struct pp_thread_info *infop; int c; infop = arg; wh...
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