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Diffstat (limited to 'include/inn/mmap.h')
-rw-r--r-- | include/inn/mmap.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/inn/mmap.h b/include/inn/mmap.h new file mode 100644 index 0000000..3769d51 --- /dev/null +++ b/include/inn/mmap.h @@ -0,0 +1,33 @@ +/* $Id: mmap.h 7598 2007-02-09 02:40:51Z eagle $ +** +** MMap manipulation routines +** +** Written by Alex Kiernan ([email protected]) +** +** These routines work with mmap()ed memory +*/ + +#ifndef INN_MMAP_H +#define INN_MMAP_H 1 + +#include <inn/defines.h> + +BEGIN_DECLS + +/* Figure out what page an address is in and flush those pages. This is the + internal function, which we wrap with a define below. */ +void inn__mapcntl(void *, size_t, int); + +/* Some platforms only support two arguments to msync. On those platforms, + make the third argument to mapcntl always be zero, getting rid of whatever + the caller tried to pass. This avoids undefined symbols for MS_ASYNC and + friends on platforms with two-argument msync functions. */ +#ifdef INN_HAVE_MSYNC_3_ARG +# define inn_mapcntl inn__mapcntl +#else +# define inn_mapcntl(p, l, f) inn__mapcntl((p), (l), 0) +#endif + +END_DECLS + +#endif /* INN_MMAP_H */ |