diff options
Diffstat (limited to 'src/pkg/runtime/mem_darwin.c')
| -rw-r--r-- | src/pkg/runtime/mem_darwin.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/pkg/runtime/mem_darwin.c b/src/pkg/runtime/mem_darwin.c index 04e719394..7aa607f8e 100644 --- a/src/pkg/runtime/mem_darwin.c +++ b/src/pkg/runtime/mem_darwin.c @@ -37,7 +37,12 @@ runtime·SysFree(void *v, uintptr n) void* runtime·SysReserve(void *v, uintptr n) { - return runtime·mmap(v, n, PROT_NONE, MAP_ANON|MAP_PRIVATE, -1, 0); + void *p; + + p = runtime·mmap(v, n, PROT_NONE, MAP_ANON|MAP_PRIVATE, -1, 0); + if(p < (void*)4096) + return nil; + return p; } enum @@ -52,7 +57,7 @@ runtime·SysMap(void *v, uintptr n) mstats.sys += n; p = runtime·mmap(v, n, PROT_READ|PROT_WRITE, MAP_ANON|MAP_FIXED|MAP_PRIVATE, -1, 0); - if(p == (void*)-ENOMEM) + if(p == (void*)ENOMEM) runtime·throw("runtime: out of memory"); if(p != v) runtime·throw("runtime: cannot map pages in arena address space"); |