diff options
Diffstat (limited to 'src/pkg/runtime/linux/mem.c')
| -rw-r--r-- | src/pkg/runtime/linux/mem.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/pkg/runtime/linux/mem.c b/src/pkg/runtime/linux/mem.c index d2f6f8204..ce1a8aa70 100644 --- a/src/pkg/runtime/linux/mem.c +++ b/src/pkg/runtime/linux/mem.c @@ -48,6 +48,11 @@ runtime·SysReserve(void *v, uintptr n) return runtime·mmap(v, n, PROT_NONE, MAP_ANON|MAP_PRIVATE, -1, 0); } +enum +{ + ENOMEM = 12, +}; + void runtime·SysMap(void *v, uintptr n) { @@ -66,6 +71,8 @@ runtime·SysMap(void *v, uintptr n) } p = runtime·mmap(v, n, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_ANON|MAP_FIXED|MAP_PRIVATE, -1, 0); + if(p == (void*)-ENOMEM) + runtime·throw("runtime: out of memory"); if(p != v) runtime·throw("runtime: cannot map pages in arena address space"); } |