Mercurial > hg > nginx-quic
annotate src/os/unix/ngx_freebsd.h @ 6949:ff0c8e11edbc
Simplified and improved sendfile() code on Linux.
The ngx_linux_sendfile() function is now used for both normal sendfile()
and sendfile in threads. The ngx_linux_sendfile_thread() function was
modified to use the same interface as ngx_linux_sendfile(), and is simply
called from ngx_linux_sendfile() when threads are enabled.
Special return code NGX_DONE is used to indicate that a thread task was
posted and no further actions are needed.
If number of bytes sent is less that what we were sending, we now always
retry sending. This is needed for sendfile() in threads as the number
of bytes we are sending might have been changed since the thread task
was posted. And this is also needed for Linux 4.3+, as sendfile() might
be interrupted at any time and provides no indication if it was interrupted
or not (ticket #1174).
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Tue, 28 Mar 2017 18:15:39 +0300 |
parents | d620f497c50f |
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rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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8 #ifndef _NGX_FREEBSD_H_INCLUDED_ |
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9 #define _NGX_FREEBSD_H_INCLUDED_ |
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12 void ngx_debug_init(void); |
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13 ngx_chain_t *ngx_freebsd_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in, |
493 | 14 off_t limit); |
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16 extern int ngx_freebsd_kern_osreldate; |
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17 extern int ngx_freebsd_hw_ncpu; |
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18 extern u_long ngx_freebsd_net_inet_tcp_sendspace; |
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20 extern ngx_uint_t ngx_freebsd_sendfile_nbytes_bug; |
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21 extern ngx_uint_t ngx_freebsd_use_tcp_nopush; |
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22 extern ngx_uint_t ngx_debug_malloc; |
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25 #endif /* _NGX_FREEBSD_H_INCLUDED_ */ |