180Smax.romanov@nginx.com 280Smax.romanov@nginx.com /* 380Smax.romanov@nginx.com * Copyright (C) Max Romanov 480Smax.romanov@nginx.com * Copyright (C) NGINX, Inc. 580Smax.romanov@nginx.com */ 642Smax.romanov@nginx.com 742Smax.romanov@nginx.com #ifndef _NXT_PORT_MEMORY_H_INCLUDED_ 842Smax.romanov@nginx.com #define _NXT_PORT_MEMORY_H_INCLUDED_ 942Smax.romanov@nginx.com 1080Smax.romanov@nginx.com 1142Smax.romanov@nginx.com #define PORT_MMAP_MIN_SIZE (3 * sizeof(uint32_t)) 1242Smax.romanov@nginx.com 1342Smax.romanov@nginx.com typedef struct nxt_port_mmap_header_s nxt_port_mmap_header_t; 14365Smax.romanov@nginx.com typedef struct nxt_port_mmap_handler_s nxt_port_mmap_handler_t; 1542Smax.romanov@nginx.com 16365Smax.romanov@nginx.com void nxt_port_mmaps_destroy(nxt_port_mmaps_t *port_mmaps, nxt_bool_t free_elts); 17141Smax.romanov@nginx.com 1842Smax.romanov@nginx.com /* 191546Smax.romanov@nginx.com * Allocates nxt_but_t structure from task's thread engine mem_pool, assigns 201546Smax.romanov@nginx.com * this buf 'mem' pointers to first available shared mem bucket(s). 'size' 211546Smax.romanov@nginx.com * used as a hint to acquire several successive buckets if possible. 2242Smax.romanov@nginx.com */ 2342Smax.romanov@nginx.com nxt_buf_t * 241546Smax.romanov@nginx.com nxt_port_mmap_get_buf(nxt_task_t *task, nxt_port_mmaps_t *mmaps, size_t size); 2542Smax.romanov@nginx.com 2680Smax.romanov@nginx.com nxt_int_t nxt_port_mmap_increase_buf(nxt_task_t *task, nxt_buf_t *b, 27206Smax.romanov@nginx.com size_t size, size_t min_size); 2880Smax.romanov@nginx.com 29365Smax.romanov@nginx.com nxt_port_mmap_handler_t * 3042Smax.romanov@nginx.com nxt_port_incoming_port_mmap(nxt_task_t *task, nxt_process_t *process, 3142Smax.romanov@nginx.com nxt_fd_t fd); 3242Smax.romanov@nginx.com 3342Smax.romanov@nginx.com void 3442Smax.romanov@nginx.com nxt_port_mmap_write(nxt_task_t *task, nxt_port_t *port, 351125Smax.romanov@nginx.com nxt_port_send_msg_t *msg, nxt_sendbuf_coalesce_t *sb, void *mmsg_buf); 3642Smax.romanov@nginx.com 3742Smax.romanov@nginx.com void 38423Smax.romanov@nginx.com nxt_port_mmap_read(nxt_task_t *task, nxt_port_recv_msg_t *msg); 3942Smax.romanov@nginx.com 4042Smax.romanov@nginx.com enum nxt_port_method_e { 4142Smax.romanov@nginx.com NXT_PORT_METHOD_ANY = 0, 4242Smax.romanov@nginx.com NXT_PORT_METHOD_PLAIN, 4342Smax.romanov@nginx.com NXT_PORT_METHOD_MMAP 4442Smax.romanov@nginx.com }; 4542Smax.romanov@nginx.com 4642Smax.romanov@nginx.com typedef enum nxt_port_method_e nxt_port_method_t; 4742Smax.romanov@nginx.com 4842Smax.romanov@nginx.com nxt_port_method_t 4942Smax.romanov@nginx.com nxt_port_mmap_get_method(nxt_task_t *task, nxt_port_t *port, nxt_buf_t *b); 5042Smax.romanov@nginx.com 511526Smax.romanov@nginx.com nxt_int_t nxt_shm_open(nxt_task_t *task, size_t size); 5280Smax.romanov@nginx.com 53*1662Smax.romanov@nginx.com void nxt_process_broadcast_shm_ack(nxt_task_t *task, nxt_process_t *process); 54*1662Smax.romanov@nginx.com 5542Smax.romanov@nginx.com #endif /* _NXT_PORT_MEMORY_H_INCLUDED_ */ 56