trident_lock.h

来自「mesa-6.5-minigui源码」· C头文件 代码 · 共 12 行

/* XXX tridentGetLock doesn't exist... */

#define LOCK_HARDWARE(tmesa) \
    do { \
        char __ret = 0; \
        DRM_CAS(tmesa->driHwLock, tmesa->hHWContext, \
            DRM_LOCK_HELD | tmesa->hHWContext, __ret); \
    } while (0)

#define UNLOCK_HARDWARE(tmesa) \
    DRM_UNLOCK(tmesa->driFd, tmesa->driHwLock, tmesa->hHWContext)