Commit 73ec90e1 authored by Paul Bone's avatar Paul Bone
Browse files

Bug 1828599 - Assert if mprotect/VirtualFree fails r=glandium 

Differential Revision: https://phabricator.services.mozilla.com/D175834
parent 60b99c8a

memory/replace/phc/PHC.cpp

+3 −2
Original line number Diff line number Diff line
@@ -1167,14 +1167,15 @@ static void FreePage(GMutLock aLock, uintptr_t aIndex, 
                     const Maybe<arena_id_t>& aArenaId,

                     const StackTrace& aFreeStack, Delay aReuseDelay) {

  void* pagePtr = gConst->AllocPagePtr(aIndex);



#ifdef XP_WIN

  if (!VirtualFree(pagePtr, kPageSize, MEM_DECOMMIT)) {

    return;

    MOZ_CRASH("VirtualFree failed");

  }

#else

  if (mmap(pagePtr, kPageSize, PROT_NONE, MAP_FIXED | MAP_PRIVATE | MAP_ANON,

           -1, 0) == MAP_FAILED) {

    return;

    MOZ_CRASH("mmap failed");

  }

#endif