diff options
Diffstat (limited to 'src/3rdparty/masm')
| -rw-r--r-- | src/3rdparty/masm/wtf/OSAllocatorPosix.cpp | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/src/3rdparty/masm/wtf/OSAllocatorPosix.cpp b/src/3rdparty/masm/wtf/OSAllocatorPosix.cpp index a8990a92b4..e183d434bd 100644 --- a/src/3rdparty/masm/wtf/OSAllocatorPosix.cpp +++ b/src/3rdparty/masm/wtf/OSAllocatorPosix.cpp @@ -114,10 +114,7 @@ void* OSAllocator::reserveUncommitted(size_t bytes, Usage usage, bool writable, if (result == MAP_FAILED) CRASH(); - while (madvise(result, bytes, MADV_DONTNEED)) { - if (errno != EAGAIN) - CRASH(); - } + while (madvise(result, bytes, MADV_DONTNEED) == -1 && errno == EAGAIN) { } if (fd != -1) close(fd); @@ -250,8 +247,10 @@ void OSAllocator::decommit(void* address, size_t bytes) mmap(address, bytes, PROT_NONE, MAP_FIXED | MAP_LAZY | MAP_PRIVATE | MAP_ANON, -1, 0); #elif OS(LINUX) while (madvise(address, bytes, MADV_DONTNEED)) { - if (errno != EAGAIN) - CRASH(); + if (errno != EAGAIN) { + memset(address, 0, bytes); // We rely on madvise to zero-out the memory + break; + } } if (mprotect(address, bytes, PROT_NONE)) CRASH(); |