69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
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/*
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* Copyright (C) Igor Sysoev
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* Copyright (C) NGINX, Inc.
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*/
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#ifndef _NXT_PROCESS_CHAN_H_INCLUDED_
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#define _NXT_PROCESS_CHAN_H_INCLUDED_
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#define NXT_CHAN_MSG_MAX NXT_CHAN_MSG_DATA
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typedef enum {
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NXT_CHAN_MSG_QUIT = 0,
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NXT_CHAN_MSG_NEW_CHAN,
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NXT_CHAN_MSG_CHANGE_FILE,
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NXT_CHAN_MSG_DATA,
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} nxt_chan_msg_type_e;
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typedef struct {
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nxt_pid_t pid;
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uint32_t engine;
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uint32_t generation;
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nxt_chan_t *chan;
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} nxt_process_chan_t;
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typedef struct {
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nxt_pid_t pid;
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uint32_t engine;
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size_t max_size;
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size_t max_share;
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} nxt_proc_msg_new_chan_t;
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/*
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* nxt_process_chan_data_t is allocaiton size
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* enabling effective reuse of memory pool cache.
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*/
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typedef union {
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nxt_buf_t buf;
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nxt_proc_msg_new_chan_t new_chan;
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} nxt_process_chan_data_t;
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typedef void (*nxt_process_chan_handler_t)(nxt_task_t *task,
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nxt_chan_recv_msg_t *msg);
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void nxt_process_chan_create(nxt_thread_t *thr, nxt_process_chan_t *proc,
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nxt_process_chan_handler_t *handlers);
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void nxt_process_chan_write(nxt_task_t *task, nxt_cycle_t *cycle,
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nxt_uint_t type, nxt_fd_t fd, uint32_t stream, nxt_buf_t *b);
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void nxt_process_new_chan(nxt_task_t *task, nxt_cycle_t *cycle,
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nxt_process_chan_t *proc);
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void nxt_process_chan_change_log_file(nxt_task_t *task, nxt_cycle_t *cycle,
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nxt_uint_t slot, nxt_fd_t fd);
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void nxt_process_chan_quit_handler(nxt_task_t *task, nxt_chan_recv_msg_t *msg);
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void nxt_process_chan_new_handler(nxt_task_t *task, nxt_chan_recv_msg_t *msg);
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void nxt_process_chan_change_log_file_handler(nxt_task_t *task,
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nxt_chan_recv_msg_t *msg);
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void nxt_process_chan_data_handler(nxt_task_t *task, nxt_chan_recv_msg_t *msg);
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void nxt_process_chan_empty_handler(nxt_task_t *task, nxt_chan_recv_msg_t *msg);
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#endif /* _NXT_PROCESS_CHAN_H_INCLUDED_ */
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