Header refactoring: Split up jemalloc_internal.h

This is a biggy.  jemalloc_internal.h has been doing multiple jobs for a while
now:
- The source of system-wide definitions.
- The catch-all include file.
- The module header file for jemalloc.c

This commit splits up this functionality.  The system-wide definitions
responsibility has moved to jemalloc_preamble.h.  The catch-all include file is
now jemalloc_internal_includes.h.  The module headers for jemalloc.c are now in
jemalloc_internal_[externs|inlines|types].h, just as they are for the other
modules.

src/arena.c

@@ -1,5 +1,6 @@
 #define JEMALLOC_ARENA_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"
 
 /******************************************************************************/
 /* Data. */

src/base.c

@@ -1,5 +1,6 @@
 #define JEMALLOC_BASE_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"
 
 /******************************************************************************/
 /* Data. */

src/bitmap.c

@@ -1,5 +1,6 @@
 #define JEMALLOC_BITMAP_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"
 
 /******************************************************************************/
 

src/ckh.c

@@ -35,7 +35,8 @@
  *
  ******************************************************************************/
 #define JEMALLOC_CKH_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"
 
 /******************************************************************************/
 /* Function prototypes for non-inline static functions. */

src/ctl.c

@@ -1,5 +1,6 @@
 #define JEMALLOC_CTL_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"
 
 /******************************************************************************/
 /* Data. */

src/extent.c

@@ -1,8 +1,10 @@
 #define JEMALLOC_EXTENT_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
 
 #include "jemalloc/internal/ph.h"
 
+#include "jemalloc/internal/jemalloc_internal_includes.h"
+
 /******************************************************************************/
 /* Data. */
 

src/extent_dss.c

@@ -1,5 +1,7 @@
 #define JEMALLOC_EXTENT_DSS_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"
+
 /******************************************************************************/
 /* Data. */
 

src/extent_mmap.c

@@ -1,5 +1,6 @@
 #define JEMALLOC_EXTENT_MMAP_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"
 
 /******************************************************************************/
 

src/hash.c

@@ -1,2 +1,3 @@
 #define JEMALLOC_HASH_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"

src/hooks.c

@@ -1,4 +1,4 @@
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
 
 /*
  * The hooks are a little bit screwy -- they're not genuinely exported in the

src/jemalloc.c

@@ -1,5 +1,6 @@
 #define JEMALLOC_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"
 
 /******************************************************************************/
 /* Data. */

src/jemalloc_cpp.cpp

@@ -2,7 +2,8 @@
 #include <new>
 
 #define JEMALLOC_CPP_CPP_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"
 
 // All operators in this file are exported.
 

src/large.c

@@ -1,5 +1,6 @@
 #define JEMALLOC_LARGE_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"
 
 /******************************************************************************/
 

src/malloc_io.c

@@ -1,5 +1,6 @@
 #define JEMALLOC_MALLOC_IO_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"
 
 #ifdef assert
 #  undef assert

src/mutex.c

@@ -1,5 +1,6 @@
 #define JEMALLOC_MUTEX_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"
 
 #if defined(JEMALLOC_LAZY_LOCK) && !defined(_WIN32)
 #include <dlfcn.h>

src/nstime.c

@@ -1,4 +1,5 @@
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"
 
 #define BILLION	UINT64_C(1000000000)
 #define MILLION	UINT64_C(1000000)

src/pages.c

@@ -1,5 +1,6 @@
 #define JEMALLOC_PAGES_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"
 
 #ifdef JEMALLOC_SYSCTL_VM_OVERCOMMIT
 #include <sys/sysctl.h>

src/prng.c

@@ -1,2 +1,3 @@
 #define JEMALLOC_PRNG_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"

src/prof.c

@@ -1,5 +1,7 @@
 #define JEMALLOC_PROF_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"
+
 /******************************************************************************/
 
 #ifdef JEMALLOC_PROF_LIBUNWIND

src/rtree.c

@@ -1,5 +1,6 @@
 #define JEMALLOC_RTREE_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"
 
 /*
  * Only the most significant bits of keys passed to rtree_{read,write}() are

src/spin.c

@@ -1,2 +1,3 @@
 #define JEMALLOC_SPIN_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"

src/stats.c

@@ -1,5 +1,6 @@
 #define JEMALLOC_STATS_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"
 
 const char *global_mutex_names[num_global_prof_mutexes] = {
 #define OP(mtx) #mtx,

src/tcache.c

@@ -1,5 +1,6 @@
 #define JEMALLOC_TCACHE_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"
 
 /******************************************************************************/
 /* Data. */

src/ticker.c

@@ -1,2 +1,3 @@
 #define JEMALLOC_TICKER_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"

src/tsd.c

@@ -1,5 +1,6 @@
 #define JEMALLOC_TSD_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"
 
 /******************************************************************************/
 /* Data. */

src/witness.c

@@ -1,5 +1,6 @@
 #define JEMALLOC_WITNESS_C_
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"
 
 void
 witness_init(witness_t *witness, const char *name, witness_rank_t rank,

src/zone.c

@@ -1,4 +1,5 @@
-#include "jemalloc/internal/jemalloc_internal.h"
+#include "jemalloc/internal/jemalloc_preamble.h"
+#include "jemalloc/internal/jemalloc_internal_includes.h"
 #ifndef JEMALLOC_ZONE
 #  error "This source file is for zones on Darwin (OS X)."
 #endif