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