| |
| /* |
| * Copyright (C) Igor Sysoev |
| * Copyright (C) Nginx, Inc. |
| */ |
| |
| |
| #ifndef _NGX_OS_H_INCLUDED_ |
| #define _NGX_OS_H_INCLUDED_ |
| |
| |
| #include <ngx_config.h> |
| #include <ngx_core.h> |
| |
| |
| #define NGX_IO_SENDFILE 1 |
| |
| |
| typedef ssize_t (*ngx_recv_pt)(ngx_connection_t *c, u_char *buf, size_t size); |
| typedef ssize_t (*ngx_recv_chain_pt)(ngx_connection_t *c, ngx_chain_t *in, |
| off_t limit); |
| typedef ssize_t (*ngx_send_pt)(ngx_connection_t *c, u_char *buf, size_t size); |
| typedef ngx_chain_t *(*ngx_send_chain_pt)(ngx_connection_t *c, ngx_chain_t *in, |
| off_t limit); |
| |
| typedef struct { |
| ngx_recv_pt recv; |
| ngx_recv_chain_pt recv_chain; |
| ngx_recv_pt udp_recv; |
| ngx_send_pt send; |
| ngx_send_pt udp_send; |
| ngx_send_chain_pt udp_send_chain; |
| ngx_send_chain_pt send_chain; |
| ngx_uint_t flags; |
| } ngx_os_io_t; |
| |
| |
| ngx_int_t ngx_os_init(ngx_log_t *log); |
| void ngx_os_status(ngx_log_t *log); |
| ngx_int_t ngx_os_specific_init(ngx_log_t *log); |
| void ngx_os_specific_status(ngx_log_t *log); |
| ngx_int_t ngx_daemon(ngx_log_t *log); |
| ngx_int_t ngx_os_signal_process(ngx_cycle_t *cycle, char *sig, ngx_pid_t pid); |
| |
| |
| ssize_t ngx_unix_recv(ngx_connection_t *c, u_char *buf, size_t size); |
| ssize_t ngx_readv_chain(ngx_connection_t *c, ngx_chain_t *entry, off_t limit); |
| ssize_t ngx_udp_unix_recv(ngx_connection_t *c, u_char *buf, size_t size); |
| ssize_t ngx_unix_send(ngx_connection_t *c, u_char *buf, size_t size); |
| ngx_chain_t *ngx_writev_chain(ngx_connection_t *c, ngx_chain_t *in, |
| off_t limit); |
| ssize_t ngx_udp_unix_send(ngx_connection_t *c, u_char *buf, size_t size); |
| ngx_chain_t *ngx_udp_unix_sendmsg_chain(ngx_connection_t *c, ngx_chain_t *in, |
| off_t limit); |
| |
| |
| #if (IOV_MAX > 64) |
| #define NGX_IOVS_PREALLOCATE 64 |
| #else |
| #define NGX_IOVS_PREALLOCATE IOV_MAX |
| #endif |
| |
| |
| typedef struct { |
| struct iovec *iovs; |
| ngx_uint_t count; |
| size_t size; |
| ngx_uint_t nalloc; |
| } ngx_iovec_t; |
| |
| ngx_chain_t *ngx_output_chain_to_iovec(ngx_iovec_t *vec, ngx_chain_t *in, |
| size_t limit, ngx_log_t *log); |
| |
| |
| ssize_t ngx_writev(ngx_connection_t *c, ngx_iovec_t *vec); |
| |
| |
| extern ngx_os_io_t ngx_os_io; |
| extern ngx_int_t ngx_ncpu; |
| extern ngx_int_t ngx_max_sockets; |
| extern ngx_uint_t ngx_inherited_nonblocking; |
| extern ngx_uint_t ngx_tcp_nodelay_and_tcp_nopush; |
| |
| |
| #if (NGX_FREEBSD) |
| #include <ngx_freebsd.h> |
| |
| |
| #elif (NGX_LINUX) |
| #include <ngx_linux.h> |
| |
| |
| #elif (NGX_SOLARIS) |
| #include <ngx_solaris.h> |
| |
| |
| #elif (NGX_DARWIN) |
| #include <ngx_darwin.h> |
| #endif |
| |
| |
| #endif /* _NGX_OS_H_INCLUDED_ */ |