//----------------------------------------------------------------------------------------------------//
// Definitions
//----------------------------------------------------------------------------------------------------//
void pthread_init (void)
{
int i;
bss_mem_init ();
default_attr.schedparam.sched_priority = PRIO_LOWEST; // Defaults to the lowest priority.
default_attr.contentionscope = PTHREAD_SCOPE_SYSTEM; // Only system scope supported.
default_attr.detachstate = PTHREAD_CREATE_DETACHED; // Detach on thread exit
default_attr.stackaddr = NULL;
default_attr.stacksize = 0;
for (i=0; i<MAX_PTHREADS; i++) {
thread_info_list[i].is_allocated = 0;
thread_info_list[i].state = PTHREAD_STATE_DETACHED;
thread_info_list[i].join_thread = NULL;
thread_info_list[i].tid = (pthread_t)i; // Can statically allocate thread ids.
thread_info_list[i].mem_id = -1; // BSS memory unallocated.
thread_info_list[i].thread_attr = default_attr;
thread_info_list[i].parent = NULL;
alloc_q (&thread_info_list[i].joinq,1,PTHREAD_JOIN_Q,sizeof(char),0);
thread_info_list[i].joinq.items = &(thread_info_list[i].joinq_mem);
}
#ifdef CONFIG_PTHREAD_MUTEX
pthread_mutex_heap_init();
#endif
}
void readyq_init()
{
unsigned int i = 0 ;
for (;i < N_PRIO; i++ ) {
alloc_q (&ready_q[i], MAX_READYQ, READY_Q, sizeof(char), i);
}
}
//----------------------------------------------------------------------------------------------------//
// Definitions
//----------------------------------------------------------------------------------------------------//
void pthread_mutex_heap_init()
{
unsigned int i = 0 ;
for (; i < MAX_PTHREAD_MUTEX; i++ ) {
pthread_mutex_heap[i].is_allocated = 0;
alloc_q (&(pthread_mutex_heap[i].mutex_wait_q), MAX_PTHREAD_MUTEX_WAITQ,
PTHREAD_MUTEX_Q, sizeof(char), i) ;
}
default_mutex_attr.type = PTHREAD_MUTEX_DEFAULT;
}
//----------------------------------------------------------------------------------------------------//
// @func - msgq_init
//! @desc
//! The message Queue structures are initialized.
//! - Based on the system configuration the message queues are created and
//! defaults assigned to them.
//! @return
//! - Nothing
//! @note
//! - None
//----------------------------------------------------------------------------------------------------//
void msgq_init(void)
{
unsigned int i = 0 ;
for( ; i < NUM_MSGQS; i++ ){
msgq_heap[i].msgid = -1;
msgq_heap[i].msgq_len = MSGQ_CAPACITY;
msgq_heap[i].stats.msg_qbytes = MSGQ_MAX_BYTES;
msgq_heap[i].stats.msg_lspid = -1;
msgq_heap[i].stats.msg_lrpid = -1;
// Allocate space in the queue to contain msgq_len number of pointers
alloc_q (&msgq_heap[i].msg_q, MSGQ_CAPACITY, MSG_Q, sizeof(msg_t),i);
}
}
//----------------------------------------------------------------------------------------------------//
// Definitions
//----------------------------------------------------------------------------------------------------//
void sem_heap_init (void)
{
unsigned int i = 0 ;
for (; i < MAX_SEM; i++ ) {
sem_heap[i].sem_id = -1 ;
sem_heap[i].owner = -1;
sem_heap[i].unlink = 0;
alloc_q (&sem_heap[i].sem_wait_q, MAX_SEM_WAITQ,
SEM_Q, sizeof(char), i) ;
#ifdef CONFIG_NAMED_SEMA
sem_map[i].sem = (sem_t)0;
bzero ((void*)sem_map[i].name, SEM_NAME_MAX);
#endif
}
}
void invalidate_thread_info (pthread_info_t *thread)
{
thread->is_allocated = 0;
thread->join_thread = NULL;
thread->start_func = NULL;
thread->param = NULL;
thread->retval = NULL;
thread->parent = NULL;
thread->state = PTHREAD_STATE_DETACHED;
alloc_q (&(thread->joinq),1,PTHREAD_JOIN_Q,sizeof(char),0); // Realloc Q afresh
qinit (&(thread->joinq));
thread->joinq.items = &(thread->joinq_mem);
if( thread->mem_id != -1 ) {
free_bss_mem (thread->mem_id) ;
thread->mem_id = -1; // BSS memory unallocated.
}
thread->thread_attr = default_attr;
}
