1835 #define CAS_LOCK(sl)     __sync_lock_test_and_set(sl, 1)  argument
1836 #define CLEAR_LOCK(sl)   __sync_lock_release(sl)  argument
1840 static FORCEINLINE int x86_cas_lock(int *sl) {  in x86_cas_lock()
1851 static FORCEINLINE void x86_clear_lock(int* sl) {  in x86_clear_lock()
1861 #define CAS_LOCK(sl)     x86_cas_lock(sl)  argument
1862 #define CLEAR_LOCK(sl)   x86_clear_lock(sl)  argument
1865 #define CAS_LOCK(sl)     interlockedexchange(sl, (LONG)1)  argument
1866 #define CLEAR_LOCK(sl)   interlockedexchange (sl, (LONG)0)  argument
1885 static int spin_acquire_lock(int *sl) {  in spin_acquire_lock()
1896 #define TRY_LOCK(sl)          !CAS_LOCK(sl)  argument
1897 #define RELEASE_LOCK(sl)      CLEAR_LOCK(sl)  argument
1898 #define ACQUIRE_LOCK(sl)      (CAS_LOCK(sl)? spin_acquire_lock(sl) : 0)  argument
1899 #define INITIAL_LOCK(sl)      (*sl = 0)  argument
1900 #define DESTROY_LOCK(sl)      (0)  argument
1921   int sl;  member