What's wrong with MAP_SHARED|MAP_ANONYMOUS?

Felix von Leitner (leitner@math.fu-berlin.de)
Sun, 27 Sep 1998 03:49:04 +0200

I always get EINVAL :(

Felix

#include <sys/types.h>
#include <sys/mman.h>
#if !defined(MAP_ANONYMOUS) && defined(MAP_ANON)
#define MAP_ANONYMOUS MAP_ANON
#endif
main()
{
mmap(0, 100, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0);
perror("mmap");
}

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