diff options
Diffstat (limited to 'libmudflap/testsuite/libmudflap.c/fail40-frag.c')
| -rw-r--r-- | libmudflap/testsuite/libmudflap.c/fail40-frag.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/libmudflap/testsuite/libmudflap.c/fail40-frag.c b/libmudflap/testsuite/libmudflap.c/fail40-frag.c index 610be20..fbeb6fd 100644 --- a/libmudflap/testsuite/libmudflap.c/fail40-frag.c +++ b/libmudflap/testsuite/libmudflap.c/fail40-frag.c @@ -14,6 +14,9 @@ int main () #ifndef MAP_ANONYMOUS #define MAP_ANONYMOUS MAP_ANON #endif +#ifndef MAP_FAILED +#define MAP_FAILED ((void *)-1) +#endif #ifdef HAVE_MMAP volatile unsigned char *p; unsigned num = getpagesize (); @@ -23,8 +26,8 @@ int main () /* Get a bit of usable address space. We really want an 2**N+1-sized object, so the low/high addresses wrap when hashed into the lookup cache. So we will manually unregister the entire mmap, then re-register a slice. */ - p = mmap (NULL, num, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0); - if (p == NULL) + p = mmap (NULL, num, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0); + if (p == MAP_FAILED) return 1; /* Now unregister it, as if munmap was called. But don't actually munmap, so we can write into the memory. */ |