78 lines
1.9 KiB
C
78 lines
1.9 KiB
C
/*
|
|
include/proto/fd.h
|
|
File descriptors states.
|
|
|
|
Copyright (C) 2000-2006 Willy Tarreau - w@1wt.eu
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation, version 2.1
|
|
exclusively.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef _PROTO_FD_H
|
|
#define _PROTO_FD_H
|
|
|
|
#include <sys/time.h>
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
|
|
#include <common/config.h>
|
|
#include <types/fd.h>
|
|
|
|
/* Deletes an FD from the fdsets, and recomputes the maxfd limit.
|
|
* The file descriptor is also closed.
|
|
*/
|
|
void fd_delete(int fd);
|
|
|
|
|
|
/*
|
|
* Benchmarks performed on a Pentium-M notebook show that using functions
|
|
* instead of the usual macros improve the FD_* performance by about 80%,
|
|
* and that marking them regparm(2) adds another 20%.
|
|
*/
|
|
#if defined(CONFIG_HAP_INLINE_FD_SET)
|
|
|
|
# define MY_FD_SET FD_SET
|
|
# define MY_FD_CLR FD_CLR
|
|
# define MY_FD_ISSET FD_ISSET
|
|
|
|
#else
|
|
|
|
# define MY_FD_SET my_fd_set
|
|
# define MY_FD_CLR my_fd_clr
|
|
# define MY_FD_ISSET my_fd_isset
|
|
|
|
REGPRM2 void my_fd_set(const int fd, fd_set *ev);
|
|
REGPRM2 void my_fd_clr(const int fd, fd_set *ev);
|
|
REGPRM2 int my_fd_isset(const int fd, const fd_set *ev);
|
|
|
|
#endif
|
|
|
|
|
|
/* recomputes the maxfd limit from the fd */
|
|
static inline void fd_insert(int fd)
|
|
{
|
|
if (fd + 1 > maxfd)
|
|
maxfd = fd + 1;
|
|
}
|
|
|
|
|
|
#endif /* _PROTO_FD_H */
|
|
|
|
/*
|
|
* Local variables:
|
|
* c-indent-level: 8
|
|
* c-basic-offset: 8
|
|
* End:
|
|
*/
|