On Tue, Nov 04, 2008 at 08:30:16AM +0000, Ian Campbell wrote:
> However I assume the workaround is there for a specific purpose, what
> was it?
A crash in mprotect.
| #include <stdio.h>
| #include <stdlib.h>
| #include <sys/mman.h>
|
| const int size = 4096;
|
| int main()
| {
| char *buf = mmap(0, size * 4, PROT_READ | PROT_WRITE, MAP_PRIVATE |
MAP_ANONYMOUS, -1, 0);
| mprotect(buf, size, PROT_NONE);
| mprotect(buf, size, PROT_READ);
| printf("%d\n", buf[0]);
| }
Bastian
--
Earth -- mother of the most beautiful women in the universe.
-- Apollo, "Who Mourns for Adonais?" stardate 3468.1
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