b0c1e740cf
Application process start request DATA message from router to master. Master notifies router via NEW_PORT message after worker process become ready.
63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
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/*
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* Copyright (C) Max Romanov
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* Copyright (C) NGINX, Inc.
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*/
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#ifndef _NXT_PORT_MEMORY_H_INCLUDED_
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#define _NXT_PORT_MEMORY_H_INCLUDED_
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#define PORT_MMAP_MIN_SIZE (3 * sizeof(uint32_t))
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typedef struct nxt_port_mmap_header_s nxt_port_mmap_header_t;
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void
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nxt_port_mmap_destroy(nxt_port_mmap_t *port_mmap);
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void nxt_port_mmaps_destroy(nxt_array_t *port_mmaps, nxt_bool_t destroy_pool);
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/*
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* Allocates nxt_but_t structure from port's mem_pool, assigns this buf 'mem'
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* pointers to first available shared mem bucket(s). 'size' used as a hint to
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* acquire several successive buckets if possible.
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*
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* This function assumes that current thread operates the 'port' exclusively.
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*/
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nxt_buf_t *
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nxt_port_mmap_get_buf(nxt_task_t *task, nxt_port_t *port, size_t size);
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nxt_int_t nxt_port_mmap_increase_buf(nxt_task_t *task, nxt_buf_t *b,
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size_t size);
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nxt_port_mmap_header_t *
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nxt_port_incoming_port_mmap(nxt_task_t *task, nxt_process_t *process,
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nxt_fd_t fd);
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void
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nxt_port_mmap_write(nxt_task_t *task, nxt_port_t *port,
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nxt_port_send_msg_t *msg, nxt_sendbuf_coalesce_t *sb);
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nxt_inline void
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nxt_port_mmap_completion(nxt_task_t *task, nxt_work_queue_t *wq, nxt_buf_t *b) {
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nxt_work_queue_add(wq, b->completion_handler, task, b, b->parent);
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}
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void
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nxt_port_mmap_read(nxt_task_t *task, nxt_port_t *port,
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nxt_port_recv_msg_t *msg);
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enum nxt_port_method_e {
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NXT_PORT_METHOD_ANY = 0,
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NXT_PORT_METHOD_PLAIN,
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NXT_PORT_METHOD_MMAP
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};
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typedef enum nxt_port_method_e nxt_port_method_t;
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nxt_port_method_t
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nxt_port_mmap_get_method(nxt_task_t *task, nxt_port_t *port, nxt_buf_t *b);
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#endif /* _NXT_PORT_MEMORY_H_INCLUDED_ */
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