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34 lines
909 B
34 lines
909 B
15 years ago
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/* $Id: mmap.h 7598 2007-02-09 02:40:51Z eagle $
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**
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** MMap manipulation routines
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**
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** Written by Alex Kiernan (alex.kiernan@thus.net)
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**
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** These routines work with mmap()ed memory
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*/
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#ifndef INN_MMAP_H
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#define INN_MMAP_H 1
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#include <inn/defines.h>
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BEGIN_DECLS
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/* Figure out what page an address is in and flush those pages. This is the
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internal function, which we wrap with a define below. */
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void inn__mapcntl(void *, size_t, int);
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/* Some platforms only support two arguments to msync. On those platforms,
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make the third argument to mapcntl always be zero, getting rid of whatever
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the caller tried to pass. This avoids undefined symbols for MS_ASYNC and
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friends on platforms with two-argument msync functions. */
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#ifdef INN_HAVE_MSYNC_3_ARG
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# define inn_mapcntl inn__mapcntl
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#else
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# define inn_mapcntl(p, l, f) inn__mapcntl((p), (l), 0)
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#endif
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END_DECLS
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#endif /* INN_MMAP_H */
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