diff options
Diffstat (limited to 'src/pkg/runtime/freebsd/mem.c')
| -rw-r--r-- | src/pkg/runtime/freebsd/mem.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/pkg/runtime/freebsd/mem.c b/src/pkg/runtime/freebsd/mem.c index f80439e38..07abf2cfe 100644 --- a/src/pkg/runtime/freebsd/mem.c +++ b/src/pkg/runtime/freebsd/mem.c @@ -42,6 +42,11 @@ 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) { @@ -52,6 +57,8 @@ runtime·SysMap(void *v, uintptr n) // On 64-bit, we don't actually have v reserved, so tread carefully. if(sizeof(void*) == 8) { p = runtime·mmap(v, n, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_ANON|MAP_PRIVATE, -1, 0); + if(p == (void*)-ENOMEM) + runtime·throw("runtime: out of memory"); if(p != v) { runtime·printf("runtime: address space conflict: map(%p) = %p\n", v, p); runtime·throw("runtime: address space conflict"); @@ -60,6 +67,8 @@ 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"); } |