atomic_flag_clear atomic_flag_clear_explicit ATOMIC_FLAG_INIT atomic_flag_lock atomic_flag_test_and_set atomic_flag_test_and_set_explicit atomic_flag_trylock atomic_flag_unlock

_Bool atomic_flag_trylock ( volatile atomic_flag *  p00_objp ) [inline] extension: set the flag and return true if we are the first to do so This interprets an atomic_flag as a spinlock. State "clear" means unlocked and state "set" means locked. This operation only guarantees acquire consistency. Definition at line 979 of file p99_atomic.h.