int main( int argc, char *argv[] ) { hthread_t tid[ CHILDREN ]; hthread_mutex_t mutex; hthread_mutexattr_t attr; Huint i; hthread_mutexattr_init( &attr ); hthread_mutexattr_settype( &attr, HTHREAD_MUTEX_FAST_NP ); hthread_mutexattr_setnum( &attr, 1 ); hthread_mutex_init( &mutex, &attr ); for( i = 0; i < CHILDREN; i++ ) { hthread_create( &tid[i], NULL, child, &mutex ); } for( i = 0; i < CHILDREN; i++ ) { hthread_join( tid[i], NULL ); } printf( "--DONE--\n" ); return 1; }
/*-------------------------------------------------------------------*/ DLL_EXPORT void ptt_trace_init( int n, int init ) { if (n > 0) pttrace = calloc( n, PTT_TRACE_SIZE ); else pttrace = NULL; pttracen = pttrace ? n : 0; pttracex = 0; if (init) /* First time? */ { int rc; MATTR attr; if ((rc = hthread_mutexattr_init( &attr )) != 0) BREAK_INTO_DEBUGGER(); if ((rc = hthread_mutexattr_settype( &attr, HTHREAD_MUTEX_DEFAULT )) != 0) BREAK_INTO_DEBUGGER(); if ((rc = hthread_mutex_init( &pttlock, &attr )) != 0) BREAK_INTO_DEBUGGER(); if ((rc = hthread_mutex_init( &ptttolock, &attr )) != 0) BREAK_INTO_DEBUGGER(); if ((rc = hthread_cond_init( &ptttocond )) != 0) BREAK_INTO_DEBUGGER(); if ((rc = hthread_mutexattr_destroy( &attr )) != 0) BREAK_INTO_DEBUGGER(); pttnolock = 0; pttnotod = 0; pttnowrap = 0; pttto = 0; ptttotid = 0; } }
int main(int argc, char *argv[]) { hthread_mutexattr_t mutexAttr; hthread_mutex_t mutex; hthread_attr_t threadAttr; hthread_t thread; Huint arg; log_t log; //Initialize Log log_create( &log, 1024 ); //Mutex operations printf( "Starting mutex operations\n" ); hthread_mutexattr_init( &mutexAttr ); hthread_mutexattr_setnum( &mutexAttr, 0 ); hthread_mutexattr_getnum( &mutexAttr, &arg ); hthread_mutexattr_destroy( &mutexAttr ); hthread_mutex_init(&mutex, NULL); hthread_mutex_lock( &mutex ); hthread_mutex_unlock( &mutex ); hthread_mutex_trylock( &mutex ); hthread_mutex_unlock( &mutex ); hthread_mutex_destroy( &mutex ); //Condition Variable operations /* printf( "Starting condition variable operations\n" ); hthread_condattr_init( &condvarAttr ); hthread_condattr_setnum( &condvarAttr, 0 ); hthread_condattr_getnum( &condvarAttr, &arg ); hthread_condattr_destroy( &condvarAttr ); hthread_cond_init( &condvar, NULL ); hthread_mutex_lock( &mutex ); hthread_cond_wait( &condvar, &mutex ); hthread_mutex_unlock( &mutex ); hthread_cond_signal( &condvar ); hthread_cond_broadcast( &condvar ); hthread_cond_destroy( &condvar ); */ //Thread operations printf( "Starting thread operations\n" ); hthread_attr_init( &threadAttr ); hthread_create( &thread, &threadAttr, foo, &log ); hthread_attr_destroy( &threadAttr ); hthread_join( thread, NULL ); printf( " -- End of Program --\n" ); log_close_ascii( &log ); return 0; }
void * testThread ( void * arg ) { int retVal; hthread_mutexattr_t * attr = (hthread_mutexattr_t *) arg; //Initialize an attribute, and check the return value retVal = hthread_mutexattr_init( attr ); hthread_exit( (void *) retVal ); return NULL; }
/*-------------------------------------------------------------------*/ DLL_EXPORT int hthread_initialize_rwlock( RWLOCK* plk, const char* name, const char* location ) { int rc; RWATTR attr1; /* for primary lock */ MATTR attr2; /* for internal locklock */ ILOCK* ilk = hthreads_get_ILOCK( plk, name ); /* Initialize the requested lock */ rc = hthread_rwlockattr_init( &attr1 ); if (rc) goto fatal; rc = hthread_mutexattr_init( &attr2 ); if (rc) goto fatal; rc = hthread_rwlockattr_setpshared( &attr1, HTHREAD_RWLOCK_DEFAULT ); if (rc) goto fatal; rc = hthread_mutexattr_settype( &attr2, HTHREAD_MUTEX_DEFAULT ); if (rc) goto fatal; rc = hthread_rwlock_init( &ilk->rwlock, &attr1 ); if (rc) goto fatal; rc = hthread_mutex_init( &ilk->locklock, &attr2 ); if (rc) goto fatal; rc = hthread_rwlockattr_destroy( &attr1 ); if (rc) goto fatal; rc = hthread_mutexattr_destroy( &attr2 ); if (rc) goto fatal; plk->ilk = ilk; /* (RWLOCK is now initialized) */ PTTRACE( "rwlock init", plk, &attr1, location, PTT_MAGIC ); return 0; fatal: perror( "Fatal error in hthread_initialize_rwlock function" ); exit(1); }
void * testThread ( void * arg ) { int retVal; struct test_data * data = (struct test_data *) arg; //Initialize a mutexattr, then a mutex with the attr hthread_mutexattr_init( data->attr ); hthread_mutex_init( data->mutex, data->attr ); //Change the attr data->attr->num = 1; //Get the num of the mutex, it should not have changed retVal = hthread_mutex_getnum( data->mutex ); hthread_exit( (void *) retVal ); return NULL; }
/*-------------------------------------------------------------------*/ DLL_EXPORT int hthread_initialize_lock( LOCK* plk, const char* name, const char* location ) { int rc; MATTR attr; ILOCK* ilk = hthreads_get_ILOCK( plk, name ); /* Initialize the requested lock */ rc = hthread_mutexattr_init( &attr ); if (rc) goto fatal; rc = hthread_mutexattr_settype( &attr, HTHREAD_MUTEX_DEFAULT ); if (rc) goto fatal; rc = hthread_mutex_init( &ilk->locklock, &attr ); if (rc) goto fatal; rc = hthread_mutex_init( &ilk->lock, &attr ); if (rc) goto fatal; rc = hthread_mutexattr_destroy( &attr ); if (rc) goto fatal; plk->ilk = ilk; /* (LOCK is now initialized) */ PTTRACE( "lock init", plk, 0, location, PTT_MAGIC ); return 0; fatal: perror( "Fatal error in hthread_initialize_lock function" ); exit(1); }
int main( int argc, char *argv[] ) { hthread_t tid[ CHILDREN ]; hthread_mutex_t mutex[ MUTEXES ]; hthread_mutexattr_t attr; Huint i; Huint j; Huint c; hthread_mutexattr_init( &attr ); hthread_mutexattr_settype( &attr, HTHREAD_MUTEX_FAST_NP ); c = 0; for( i = 0; i < MUTEXES; i++ ) { hthread_mutexattr_setnum( &attr, i ); hthread_mutex_init( &mutex[i], &attr ); for( j = 0; j < CHILDREN_PER_MUTEX; j++ ) { hthread_create( &tid[c], NULL, child, &mutex[i] ); printf( "Created Child %u\n", tid[c] ); c++; } } for( i = 0; i < CHILDREN; i++ ) { printf( "Join Child %u\n", tid[i] ); hthread_join( tid[i], NULL ); } printf( "--DONE--\n" ); return 1; }
/*-------------------------------------------------------------------*/ static void hthreads_internal_init() { static BYTE bDidInit = FALSE; if (!bDidInit) { MATTR attr; int rc, herc_high_pri, host_high_pri; /* Initialize our internal lock */ rc = hthread_mutexattr_init( &attr ); if (rc) goto fatal; rc = hthread_mutexattr_settype( &attr, HTHREAD_MUTEX_DEFAULT ); if (rc) goto fatal; rc = hthread_mutex_init( &listlock, &attr ); if (rc) goto fatal; rc = hthread_mutexattr_destroy( &attr ); if (rc) goto fatal; /* Initialize our locks list anchor */ InitializeListHead( &locklist ); lockcount = 0; /* Initialize thread scheduling variables */ herc_policy = HTHREAD_SCHED_DEF; herc_low_pri = HTHREAD_MIN_PRI; herc_high_pri = HTHREAD_MAX_PRI; host_low_pri = hthread_sched_get_priority_min( herc_policy ); host_high_pri = hthread_sched_get_priority_max( herc_policy ); herc_pri_rvrsd = (herc_high_pri < herc_low_pri); host_pri_rvrsd = (host_high_pri < host_low_pri); herc_pri_amt = herc_pri_rvrsd ? (herc_low_pri - herc_high_pri) : (herc_high_pri - herc_low_pri); host_pri_amt = host_pri_rvrsd ? (host_low_pri - host_high_pri) : (host_high_pri - host_low_pri); /* One-time initialization completed */ bDidInit = TRUE; return; fatal: perror( "Fatal error in hthreads_internal_init function" ); exit(1); } return; }
// Initialize all of the PR data void init_PR_data() { // Initialize the ICAP hthread_mutexattr_t attr; if (hthread_mutexattr_init(&attr)) { printf("Error intializing mutex attribute\n"); while(1); } // Set MID to maximum ID allowed if (hthread_mutexattr_setnum(&attr,(Huint) HT_SEM_MAXNUM)) { printf("Error setting MID (%u) for mutex attribute\n", HT_SEM_MAXNUM); while(1); } if(hthread_mutex_init(&icap_mutex, &attr)) { printf("error initializing icap mutex\n"); while(1); } #ifdef ICAP // Initialize the ICAP if(XHwIcap_CfgInitialize(&HwIcap, (XHwIcap_Config *) 0x1, ICAP_BASEADDR)) { printf("Error initializing the ICAP\n"); while(1); } // Initialize the pointers // init CRC crc_bit[0] = (unsigned char *) (&crc0_bit[0]); crc_bit[1] = (unsigned char *) (&crc1_bit[0]); crc_bit[2] = (unsigned char *) (&crc2_bit[0]); crc_bit[3] = (unsigned char *) (&crc3_bit[0]); crc_bit[4] = (unsigned char *) (&crc4_bit[0]); crc_bit[5] = (unsigned char *) (&crc5_bit[0]); // init sort sort_bit[0] = (unsigned char *) (&sort0_bit[0]); sort_bit[1] = (unsigned char *) (&sort1_bit[0]); sort_bit[2] = (unsigned char *) (&sort2_bit[0]); sort_bit[3] = (unsigned char *) (&sort3_bit[0]); sort_bit[4] = (unsigned char *) (&sort4_bit[0]); sort_bit[5] = (unsigned char *) (&sort5_bit[0]); // init vector vector_bit[0] = (unsigned char *) (&vector0_bit[0]); vector_bit[1] = (unsigned char *) (&vector1_bit[0]); vector_bit[2] = (unsigned char *) (&vector2_bit[0]); vector_bit[3] = (unsigned char *) (&vector3_bit[0]); vector_bit[4] = (unsigned char *) (&vector4_bit[0]); vector_bit[5] = (unsigned char *) (&vector5_bit[0]); // Create accelerate profiles - containers that hold // pointers to each accelerator specific for each slave. unsigned int i; for (i = 0; i < NUM_AVAILABLE_HETERO_CPUS; i++) { set_accelerator_structure((accelerator_list_t *) &accelerator_list[i], i); // -------------------------------------------------------------- // // Write extra parameters for PR functionality // // -------------------------------------------------------------- // _hwti_set_accelerator_ptr((Huint) hwti_array[i], (Huint)&accelerator_list[i]); // Write the ICAP Mutex _hwti_set_icap_mutex( (Huint) hwti_array[i], (Huint) &icap_mutex); // Write the ICAP Data Strucutre _hwti_set_icap_struct_ptr( (Huint) hwti_array[i], (Huint) &HwIcap); // Write pointer for last_used_accelerator so slave can update the table _hwti_set_last_accelerator_ptr( (Huint) hwti_array[i], (Huint) &slave_table[i].last_used_acc); // Write pointer to tuning_table _hwti_set_tuning_table_ptr((Huint) hwti_array[i], (Huint) &tuning_table); } #endif // Reset thread create statistical data no_free_slaves_num = 0; possible_slaves_num = 0; best_slaves_num = 0; }