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Move static variable cache and cachesize to toplevel.

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This commit is contained in:
Ulrich Drepper 1998-08-28 12:07:26 +00:00
parent 3e4bb8d3a1
commit 9fa54c5562
1 changed files with 20 additions and 2 deletions
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22
sysdeps/generic/dl-cache.c
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@ -44,14 +44,16 @@ struct cache_file
} libs[0];
};
/* This is the starting address and the size of the mmap()ed file. */
static struct cache_file *cache;
static size_t cachesize;
/* Look up NAME in ld.so.cache and return the file name stored there,
or null if none is found. */
const char *
_dl_load_cache_lookup (const char *name)
{
static struct cache_file *cache;
static size_t cachesize;
unsigned int i;
const char *best;
@ -101,3 +103,19 @@ _dl_load_cache_lookup (const char *name)
}
return best;
}
#ifndef MAP_COPY
/* If the system does not support MAP_COPY we cannot leave the file open
all the time since this would create problems when the file is replaced.
Therefore we provide this function to close the file and open it again
once needed. */
void
_dl_unload_cache (void)
{
if (cache != NULL && cache != (struct cache_file *) -1)
{
__munmap (cache, cachesize);
cache = NULL;
}
}
#endif