ftmemsim-valgrind/tests/toobig-allocs.c
Julian Seward 0356d27ca6 Merge in changes from the 2.4.0 line. This basically brings in the
overhaul of the thread support.  Many things are now probably broken,
but at least with --tool=none, simple and not-so-simple threaded and
non-thread programs work.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3265
2005-03-10 23:59:00 +00:00

24 lines
589 B
C

#include <stdlib.h>
#include <sys/mman.h>
#include <stdio.h>
int main(void)
{
void *p;
unsigned long size = 2ul * 1023ul * 1024ul * 1024ul; // just under 2^31 (4GB)
fprintf(stderr, "Attempting too-big malloc()...\n");
p = malloc(size); // way too big!
if (p)
fprintf(stderr, "huge malloc() succeeded??\n");
fprintf(stderr, "Attempting too-big mmap()...\n");
p = mmap( 0, size, PROT_READ|PROT_WRITE|PROT_EXEC,
MAP_PRIVATE|MAP_ANON, -1, 0 );
if (-1 != (int)p)
fprintf(stderr, "huge mmap() succeeded??\n");
return 0;
}