jemalloc_gnash.h

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#ifndef GNASH_JEMALLOC_H
#define GNASH_JEMALLOC_H

#ifdef HAVE_CONFIG_H
# include "gnashconfig.h"
#endif

/* Compiling for user mode application, not operating system */
#define MOZ_MEMORY

#ifdef LINUX_HOST
#define MOZ_MEMORY_LINUX
#endif

#ifdef WIN32_HOST
#define MOZ_MEMORY_WINDOWS
#endif

/* OpenBSD and others are excluded here to mimic what Mozilla does. */
#if defined(FREEBSD_HOST) || defined(NETBSD_HOST)
#define MOZ_MEMORY_BSD
#endif

#ifdef DARWIN_HOST
#define MOZ_MEMORY_DARWIN
#endif

#ifdef SOLARIS_HOST
#define MOZ_MEMORY_SOLARIS
#endif

#ifdef WINCE_HOST
#define MOZ_MEMORY_WINCE
#endif

#ifdef WINCE6_HOST
#define MOZ_MEMORY_WINCE6
#endif

#ifdef ANDROID_HOST
#define MOZ_MEMORY_ANDROID
#endif

#if SIZEOF_VOID_P == 4
# define MOZ_MEMORY_SIZEOF_PTR_2POW 2
#elif SIZEOF_VOID_P == 8
# define MOZ_MEMORY_SIZEOF_PTR_2POW 3
#endif

#if 0
/* Unfortunately, even though jemalloc has valgrind hooks, it still produces
 * false positives. See https://bugzilla.mozilla.org/show_bug.cgi?id=503249
 */
#define MOZ_VALGRIND
#endif

#include "jemalloc.h"

#ifdef USE_STATS_MEMORY

/* Enable statistics tracking plus API in jemalloc. */
#define MALLOC_STATS

/* Borrowed from malloc.h, as this is Linux specific. This has been
 * added to jemalloc so the existing memory profiling in Gnash will
 * continue to work. Most of these fields aren't used by the Gnash
 * memory profiling, but we leave them here for a semblance of
 * portability. The only fields Gnash uses are arena, uordblks. and
 * fordblks.
 */
struct mallinfo {
  int arena;    /* non-mmapped space allocated from system */
  int ordblks;  /* number of free chunks UNUSED */
  int smblks;   /* number of fastbin blocks UNUSED */
  int hblks;    /* number of mmapped regions UNUSED */
  int hblkhd;   /* space in mmapped regions UNUSED */
  int usmblks;  /* maximum total allocated space UNUSED */
  int fsmblks;  /* space available in freed fastbin blocks UNUSED */
  int uordblks; /* total allocated space */
  int fordblks; /* total free space */
  int keepcost; /* top-most, releasable space UNUSED */
};

struct mallinfo
mallinfo(void)
{
    struct mallinfo mi;
    jemalloc_stats_t stats;

    jemalloc_stats(&stats);

    /* clear unused fields */
    mi.keepcost = mi.ordblks = mi.smblks = mi.usmblks = mi.fsmblks =
        mi.hblks = mi.hblkhd = 0;

    mi.arena = stats.mapped;
    mi.uordblks = stats.allocated;
    mi.fordblks = stats.mapped - mi.uordblks;

    return mi;
}

#endif /* USE_STATS_MEMORY */

#endif /* GNASH_JEMALLOC_H */