the default allocator uses mmap.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24349
91177308-0d34-0410-b5e6-
96231b3b80d8
#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#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
//===----------------------------------------------------------------------===//
//=== WARNING: Implementation here must contain only generic UNIX code that
return static_cast<unsigned>(page_size);
}
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;
#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.
#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;
#if defined(HAVE_MALLINFO)
struct mallinfo mi = ::mallinfo();
return mi.uordblks + mi.hblkhd;
#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);
#elif defined(HAVE_GETRUSAGE)
struct rusage usage;
::getrusage(RUSAGE_SELF, &usage);