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view src/core/ngx_syslog.h @ 9269:4eb02e5ddb48

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Core: added realpath() checking when testing PID files. This ensures that if the PID file path is changed, yet resolves to the same file via symbolic links, trying to recreate the PID file won't remove it. In particular, this resolves issues as observed on Linux systems with "/var/run/nginx.pid" changed to "/run/nginx.pid".
author Maxim Dounin <mdounin@mdounin.ru>
date Mon, 13 May 2024 06:13:12 +0300
parents 1c9264603adc
children
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/*
 * Copyright (C) Nginx, Inc.
 */


#ifndef _NGX_SYSLOG_H_INCLUDED_
#define _NGX_SYSLOG_H_INCLUDED_


typedef struct {
    ngx_uint_t         facility;
    ngx_uint_t         severity;
    ngx_str_t          tag;

    ngx_str_t         *hostname;

    ngx_addr_t         server;
    ngx_connection_t   conn;

    ngx_log_t          log;
    ngx_log_t         *logp;

    time_t             error_log_time;
    time_t             connect_error_time;

    unsigned           busy:1;
    unsigned           nohostname:1;
} ngx_syslog_peer_t;


char *ngx_syslog_process_conf(ngx_conf_t *cf, ngx_syslog_peer_t *peer);
u_char *ngx_syslog_add_header(ngx_syslog_peer_t *peer, u_char *buf);
void ngx_syslog_writer(ngx_log_t *log, ngx_uint_t level, u_char *buf,
    size_t len);
ssize_t ngx_syslog_send(ngx_syslog_peer_t *peer, u_char *buf, size_t len);


#endif /* _NGX_SYSLOG_H_INCLUDED_ */