60 #define DECLARE_WAIT_ON_STACK(name, pcb) \  argument
61     wait_queue_node_t name = {0};        \
62     wait_queue_init(&(name), pcb);
64 #define DECLARE_WAIT_ON_STACK_SELF(name) \  argument
65     wait_queue_node_t name = {0};        \
66     wait_queue_init(&(name), current_pcb);
68 #define DECLARE_WAIT_ALLOC(name, pcb)                                                     \  argument
70     wait_queue_init(&(name), pcb);
72 #define DECLARE_WAIT_ALLOC_SELF(name)                                                     \  argument
74     wait_queue_init(&(name), current_pcb);
76 #define DECLARE_WAIT_QUEUE_HEAD(name)    \  argument
77     struct wait_queue_head_t name = {0}; \
78     wait_queue_head_init(&name);