1 2/* 3 * Copyright (C) Max Romanov 4 * Copyright (C) NGINX, Inc. 5 */ 6 7#ifndef _NXT_PORT_MEMORY_H_INCLUDED_ 8#define _NXT_PORT_MEMORY_H_INCLUDED_ 9 10 11#define PORT_MMAP_MIN_SIZE (3 * sizeof(uint32_t)) 12 13typedef struct nxt_port_mmap_header_s nxt_port_mmap_header_t; 14 15void 16nxt_port_mmap_destroy(nxt_port_mmap_t *port_mmap); 17 18void nxt_port_mmaps_destroy(nxt_array_t *port_mmaps, nxt_bool_t destroy_pool); 19 20/* 21 * Allocates nxt_but_t structure from port's mem_pool, assigns this buf 'mem' 22 * pointers to first available shared mem bucket(s). 'size' used as a hint to 23 * acquire several successive buckets if possible. 24 * 25 * This function assumes that current thread operates the 'port' exclusively. 26 */ 27nxt_buf_t * 28nxt_port_mmap_get_buf(nxt_task_t *task, nxt_port_t *port, size_t size); 29 30nxt_int_t nxt_port_mmap_increase_buf(nxt_task_t *task, nxt_buf_t *b,
| 1 2/* 3 * Copyright (C) Max Romanov 4 * Copyright (C) NGINX, Inc. 5 */ 6 7#ifndef _NXT_PORT_MEMORY_H_INCLUDED_ 8#define _NXT_PORT_MEMORY_H_INCLUDED_ 9 10 11#define PORT_MMAP_MIN_SIZE (3 * sizeof(uint32_t)) 12 13typedef struct nxt_port_mmap_header_s nxt_port_mmap_header_t; 14 15void 16nxt_port_mmap_destroy(nxt_port_mmap_t *port_mmap); 17 18void nxt_port_mmaps_destroy(nxt_array_t *port_mmaps, nxt_bool_t destroy_pool); 19 20/* 21 * Allocates nxt_but_t structure from port's mem_pool, assigns this buf 'mem' 22 * pointers to first available shared mem bucket(s). 'size' used as a hint to 23 * acquire several successive buckets if possible. 24 * 25 * This function assumes that current thread operates the 'port' exclusively. 26 */ 27nxt_buf_t * 28nxt_port_mmap_get_buf(nxt_task_t *task, nxt_port_t *port, size_t size); 29 30nxt_int_t nxt_port_mmap_increase_buf(nxt_task_t *task, nxt_buf_t *b,
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32 33nxt_port_mmap_header_t * 34nxt_port_incoming_port_mmap(nxt_task_t *task, nxt_process_t *process, 35 nxt_fd_t fd); 36 37void 38nxt_port_mmap_write(nxt_task_t *task, nxt_port_t *port, 39 nxt_port_send_msg_t *msg, nxt_sendbuf_coalesce_t *sb); 40 41void 42nxt_port_mmap_read(nxt_task_t *task, nxt_port_t *port, 43 nxt_port_recv_msg_t *msg); 44 45enum nxt_port_method_e { 46 NXT_PORT_METHOD_ANY = 0, 47 NXT_PORT_METHOD_PLAIN, 48 NXT_PORT_METHOD_MMAP 49}; 50 51typedef enum nxt_port_method_e nxt_port_method_t; 52 53nxt_port_method_t 54nxt_port_mmap_get_method(nxt_task_t *task, nxt_port_t *port, nxt_buf_t *b); 55 56 57#endif /* _NXT_PORT_MEMORY_H_INCLUDED_ */
| 32 33nxt_port_mmap_header_t * 34nxt_port_incoming_port_mmap(nxt_task_t *task, nxt_process_t *process, 35 nxt_fd_t fd); 36 37void 38nxt_port_mmap_write(nxt_task_t *task, nxt_port_t *port, 39 nxt_port_send_msg_t *msg, nxt_sendbuf_coalesce_t *sb); 40 41void 42nxt_port_mmap_read(nxt_task_t *task, nxt_port_t *port, 43 nxt_port_recv_msg_t *msg); 44 45enum nxt_port_method_e { 46 NXT_PORT_METHOD_ANY = 0, 47 NXT_PORT_METHOD_PLAIN, 48 NXT_PORT_METHOD_MMAP 49}; 50 51typedef enum nxt_port_method_e nxt_port_method_t; 52 53nxt_port_method_t 54nxt_port_mmap_get_method(nxt_task_t *task, nxt_port_t *port, nxt_buf_t *b); 55 56 57#endif /* _NXT_PORT_MEMORY_H_INCLUDED_ */
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