Changeset 42862 in webkit for trunk/JavaScriptCore/interpreter/RegisterFile.cpp

Timestamp:

Apr 25, 2009, 1:44:47 AM (16 years ago)

Author:

[email protected]

Message:

2009-04-25 Jan Michael Alonzo <​[email protected]>

Reviewed by Oliver Hunt.

Gtk build fix - check if we have MADV_FREE before using it.

• interpreter/RegisterFile.cpp: (JSC::RegisterFile::releaseExcessCapacity):
• wtf/Platform.h:

File:

• trunk/JavaScriptCore/interpreter/RegisterFile.cpp (modified) (1 diff)

trunk/JavaScriptCore/interpreter/RegisterFile.cpp

@@ -48 +48 @@
     void* memoryToRelease = reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(reinterpret_cast<char*>(m_start) + commitSize * 2 - 1) & ~(commitSize - 1));
     ptrdiff_t size = reinterpret_cast<char*>(m_end) - reinterpret_cast<char*>(memoryToRelease);
-#if HAVE(MMAP) && !HAVE(VIRTUALALLOC)
+#if HAVE(MMAP) && HAVE(MADV_FREE) && !HAVE(VIRTUALALLOC)
     while (madvise(memoryToRelease, size, MADV_FREE) == -1 && errno == EAGAIN) { }
 #elif HAVE(VIRTUALALLOC)