diff options
Diffstat (limited to 'libgo/go/runtime/mem_gccgo.go')
| -rw-r--r-- | libgo/go/runtime/mem_gccgo.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libgo/go/runtime/mem_gccgo.go b/libgo/go/runtime/mem_gccgo.go index 161ff26b137..ea3e5ebab4e 100644 --- a/libgo/go/runtime/mem_gccgo.go +++ b/libgo/go/runtime/mem_gccgo.go @@ -270,6 +270,11 @@ func sysMap(v unsafe.Pointer, n uintptr, reserved bool, sysStat *uint64) { return } + if GOOS == "aix" { + // AIX does not allow mapping a range that is already mapped. + // So always unmap first even if it is already unmapped. + munmap(v, n) + } p := mmap(v, n, _PROT_READ|_PROT_WRITE, _MAP_ANON|_MAP_FIXED|_MAP_PRIVATE, mmapFD, 0) if uintptr(p) == _MAP_FAILED && errno() == _ENOMEM { throw("runtime: out of memory") |