xf_lock.c

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/* ==================== [Includes] ========================================== */
 
#include "xf_lock.h"
#include "../xf_std/xf_stddef.h"
 
/* ==================== [Defines] =========================================== */
 
/* ==================== [Typedefs] ========================================== */
 
/* ==================== [Static Prototypes] ================================= */
 
/* ==================== [Static Variables] ================================== */
 
static const xf_lock_ops_t *sp_ops = NULL;
 
/* ==================== [Macros] ============================================ */
 
/* ==================== [Global Functions] ================================== */
 
xf_err_t xf_lock_register(const xf_lock_ops_t *const p_ops)
{
    if ((NULL == p_ops)
            || (NULL == p_ops->init)
            || (NULL == p_ops->trylock)
            || (NULL == p_ops->unlock)) {
        return XF_FAIL;
    }
    sp_ops = p_ops;
    return XF_OK;
}
 
xf_err_t xf_lock_init(xf_lock_t *p_lock)
{
    if ((NULL == sp_ops) || (NULL == p_lock)) {
        return XF_FAIL;
    }
    return sp_ops->init(p_lock);
}
 
xf_err_t xf_lock_destroy(xf_lock_t lock)
{
    if ((NULL == sp_ops) || (NULL == sp_ops->destroy)) {
        return XF_FAIL;
    }
    return (sp_ops->destroy(lock));
}
 
int xf_lock_trylock(xf_lock_t lock)
{
    if ((NULL == sp_ops) || (NULL == sp_ops->trylock)) {
        return XF_LOCK_FAIL;
    }
    return sp_ops->trylock(lock);
}
 
int xf_lock_lock(xf_lock_t lock)
{
    if ((NULL == sp_ops) || (NULL == sp_ops->lock)) {
        return XF_LOCK_FAIL;
    }
    return sp_ops->lock(lock);
}
 
int xf_lock_timedlock(xf_lock_t lock, uint32_t timeout_ms)
{
    if ((NULL == sp_ops) || (NULL == sp_ops->timedlock)) {
        return XF_LOCK_FAIL;
    }
    return sp_ops->timedlock(lock, timeout_ms);
}
 
int xf_lock_unlock(xf_lock_t lock)
{
    if ((NULL == sp_ops) || (NULL == sp_ops->unlock)) {
        return XF_LOCK_FAIL;
    }
    return sp_ops->unlock(lock);
}
 
/* ==================== [Static Functions] ================================== */