1 2 #ifndef _NXT_PORT_MEMORY_H_INCLUDED_ 3 #define _NXT_PORT_MEMORY_H_INCLUDED_ 4 5 #define PORT_MMAP_MIN_SIZE (3 * sizeof(uint32_t)) 6 7 typedef struct nxt_port_mmap_header_s nxt_port_mmap_header_t; 8 9 void 10 nxt_port_mmap_destroy(nxt_port_mmap_t *port_mmap); 11 12 /* 13 * Allocates nxt_but_t structure from port's mem_pool, assigns this buf 'mem' 14 * pointers to first available shared mem bucket(s). 'size' used as a hint to 15 * acquire several successive buckets if possible. 16 * 17 * This function assumes that current thread operates the 'port' exclusively. 18 */ 19 nxt_buf_t * 20 nxt_port_mmap_get_buf(nxt_task_t *task, nxt_port_t *port, size_t size); 21 22 nxt_port_mmap_t * 23 nxt_port_incoming_port_mmap(nxt_task_t *task, nxt_process_t *process, 24 nxt_fd_t fd); 25 26 void 27 nxt_port_mmap_write(nxt_task_t *task, nxt_port_t *port, 28 nxt_port_send_msg_t *msg, nxt_sendbuf_coalesce_t *sb); 29 30 nxt_inline void 31 nxt_port_mmap_completion(nxt_task_t *task, nxt_work_queue_t *wq, nxt_buf_t *b) { 32 nxt_work_queue_add(wq, b->completion_handler, task, b, b->parent); 33 } 34 35 void 36 nxt_port_mmap_read(nxt_task_t *task, nxt_port_t *port, 37 nxt_port_recv_msg_t *msg, size_t size); 38 39 enum nxt_port_method_e { 40 NXT_PORT_METHOD_ANY = 0, 41 NXT_PORT_METHOD_PLAIN, 42 NXT_PORT_METHOD_MMAP 43 }; 44 45 typedef enum nxt_port_method_e nxt_port_method_t; 46 47 nxt_port_method_t 48 nxt_port_mmap_get_method(nxt_task_t *task, nxt_port_t *port, nxt_buf_t *b); 49 50 #endif /* _NXT_PORT_MEMORY_H_INCLUDED_ */ 51