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[pthreads] Add spinlock declare and fix code issue.

This commit is contained in:
Bernard Xiong 2019-05-12 21:44:28 +08:00
parent 5d36fa78c0
commit bb506e8493
2 changed files with 15 additions and 1 deletions
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8
components/libc/pthreads/pthread.c
View File

@ -20,6 +20,7 @@ _pthread_data_t *pth_table[PTHREAD_NUM_MAX] = {NULL};
_pthread_data_t *_pthread_get_data(pthread_t thread)
{
RT_DECLARE_SPINLOCK(pth_lock);
_pthread_data_t *ptd;
if (thread >= PTHREAD_NUM_MAX) return NULL;
@ -36,6 +37,7 @@ _pthread_data_t *_pthread_get_data(pthread_t thread)
pthread_t _pthread_data_get_pth(_pthread_data_t *ptd)
{
int index;
RT_DECLARE_SPINLOCK(pth_lock);
rt_hw_spin_lock(&pth_lock);
for (index = 0; index < PTHREAD_NUM_MAX; index ++)
@ -51,11 +53,12 @@ pthread_t _pthread_data_create(void)
{
int index;
_pthread_data_t *ptd = NULL;
RT_DECLARE_SPINLOCK(pth_lock);
ptd = (_pthread_data_t*)rt_malloc(sizeof(_pthread_data_t));
if (!ptd) return PTHREAD_NUM_MAX;
memset(ptd, 0x0, sizeof(sizeof(_pthread_data_t)));
memset(ptd, 0x0, sizeof(_pthread_data_t));
ptd->canceled = 0;
ptd->cancelstate = PTHREAD_CANCEL_DISABLE;
ptd->canceltype = PTHREAD_CANCEL_DEFERRED;
@ -67,6 +70,7 @@ pthread_t _pthread_data_create(void)
if (pth_table[index] == NULL)
{
pth_table[index] = ptd;
break;
}
}
rt_hw_spin_unlock(&pth_lock);
@ -76,6 +80,8 @@ pthread_t _pthread_data_create(void)
void _pthread_data_destroy(pthread_t pth)
{
RT_DECLARE_SPINLOCK(pth_lock);
_pthread_data_t *ptd = _pthread_get_data(pth);
if (ptd)
{

8
include/rthw.h
View File

@ -157,6 +157,7 @@ extern rt_hw_spinlock_t _rt_critical_lock;
(rt_hw_spinlock_t) __RT_HW_SPIN_LOCK_INITIALIZER(lockname)
#define RT_DEFINE_SPINLOCK(x) rt_hw_spinlock_t x = __RT_HW_SPIN_LOCK_UNLOCKED(x)
#define RT_DECLARE_SPINLOCK(x)
/**
* ipi function
@ -172,6 +173,13 @@ void rt_hw_secondary_cpu_up(void);
* secondary cpu idle function
*/
void rt_hw_secondary_cpu_idle_exec(void);
#else
#define RT_DEFINE_SPINLOCK(x)
#define RT_DECLARE_SPINLOCK(x) rt_ubase_t x
#define rt_hw_spin_lock(lock) *(lock) = rt_hw_interrupt_disable()
#define rt_hw_spin_unlock(lock) rt_hw_interrupt_enable(*(lock))
#endif