Changes in directory llvm/lib/System/Unix:
Process.inc updated: 1.11 -> 1.12
---
Log message:
Teach -track-memory to work on darwin. Looking at sbrk doesn't work because
the default allocator uses mmap.
---
Diffs of the changes: (+12 -10)
Process.inc | 22 ++++++++++++----------
1 files changed, 12 insertions(+), 10 deletions(-)
Index: llvm/lib/System/Unix/Process.inc
diff -u llvm/lib/System/Unix/Process.inc:1.11
llvm/lib/System/Unix/Process.inc:1.12
--- llvm/lib/System/Unix/Process.inc:1.11 Thu May 5 17:33:06 2005
+++ llvm/lib/System/Unix/Process.inc Mon Nov 14 01:00:29 2005
@@ -21,6 +21,9 @@
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
+#ifdef HAVE_MALLOC_MALLOC_H
+#include <malloc/malloc.h>
+#endif
//===----------------------------------------------------------------------===//
//=== WARNING: Implementation here must contain only generic UNIX code that
@@ -43,23 +46,20 @@
return static_cast<unsigned>(page_size);
}
-#if defined(HAVE_SBRK)
-static char* som = reinterpret_cast<char*>(::sbrk(0));
-#endif
-
-size_t
-Process::GetMallocUsage()
-{
+size_t Process::GetMallocUsage() {
#if defined(HAVE_MALLINFO)
struct mallinfo mi;
mi = ::mallinfo();
return mi.uordblks;
+#elif defined(HAVE_MSTATS) && defined(HAVE_MALLOC_MALLOC_H)
+ return mstats().bytes_used; // darwin
#elif defined(HAVE_SBRK)
// Note this is only an approximation and more closely resembles
// the value returned by mallinfo in the arena field.
- char * eom = (char*) sbrk(0);
- if (eom != ((char*)-1) && som != ((char*)-1))
- return eom - som;
+ static char *StartOfMemory = reinterpret_cast<char*>(::sbrk(0));
+ char *EndOfMemory = (char*)sbrk(0);
+ if (EndOfMemory != ((char*)-1) && StartOfMemory != ((char*)-1))
+ return EndOfMemory - StartOfMemory;
else
return 0;
#else
@@ -74,6 +74,8 @@
#if defined(HAVE_MALLINFO)
struct mallinfo mi = ::mallinfo();
return mi.uordblks + mi.hblkhd;
+#elif defined(HAVE_MSTATS) && defined(HAVE_MALLOC_MALLOC_H)
+ return mstats().bytes_total; // darwin
#elif defined(HAVE_GETRUSAGE)
struct rusage usage;
::getrusage(RUSAGE_SELF, &usage);
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