Mercurial > dovecot > original-hg > dovecot-1.2
view src/lib/mmap-util.h @ 9595:166a188f9165 HEAD
mbox: Fields weren't being added to cache file during message saving.
author | Timo Sirainen <tss@iki.fi> |
---|---|
date | Fri, 30 Jul 2010 16:55:58 +0100 |
parents | 6a64e64fa3a3 |
children |
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#ifndef MMAP_UTIL_H #define MMAP_UTIL_H #include <unistd.h> #ifdef HAVE_LINUX_MREMAP # define __USE_GNU /* for MREMAP_MAYMOVE */ #endif #include <sys/mman.h> #undef __USE_GNU #if !defined (MREMAP_MAYMOVE) && !defined (HAVE_LINUX_MREMAP) # define MREMAP_MAYMOVE 1 #endif #ifndef HAVE_MADVISE # define madvise my_madvise int my_madvise(void *start, size_t length, int advice); # ifndef MADV_NORMAL # define MADV_NORMAL 0 # define MADV_RANDOM 0 # define MADV_SEQUENTIAL 0 # define MADV_WILLNEED 0 # define MADV_DONTNEED 0 # endif #endif void *mmap_file(int fd, size_t *length, int prot); void *mmap_ro_file(int fd, size_t *length); void *mmap_rw_file(int fd, size_t *length); /* for allocating anonymous mmap()s, with portable mremap(). these must not be mixed with any standard mmap calls. */ void *mmap_anon(size_t length); void *mremap_anon(void *old_address, size_t old_size, size_t new_size, unsigned long flags); int munmap_anon(void *start, size_t length); size_t mmap_get_page_size(void) ATTR_CONST; #endif