/* Mmaps a 128 kB file “sorts” the bytes in it, using quick sort,
a multi-pass divide and conquer algorithm. */
#include
#include
#include “tests/lib.h”
#include “tests/main.h”
#include “tests/vm/qsort.h”
const char *test_name = “child-qsort-mm”;
int
main (int argc UNUSED, char *argv[])
{
int handle;
unsigned char *p = (unsigned char *) 0x10000000;
quiet = true;
CHECK ((handle = open (argv[1])) > 1, “open \”%s\””, argv[1]);
CHECK (mmap (handle, p) != MAP_FAILED, “mmap \”%s\””, argv[1]);
qsort_bytes (p, 1024 * 128);
return 80;
}