* Makefile.in: Add support for new malloc.o and renamed malloc_wrapper.o. Use

-fomit-frame-pointer for malloc.o compilation.
* malloc_wrapper.cc: New file.  Rename from malloc.cc.  Add support for more
malloc functions.  Eliminate export_* calls.  Just use straight malloc names.
Remove unused argument from malloc lock functions.
* cygwin.din: Just export straight malloc names.  Add malloc_stats,
malloc_trim, malloc_usable_size, mallopt, memalign, valloc.
* dcrt0.cc (__cygwin_user): Eliminate export_* malloc entries.
* fork.cc (fork_parent): Remove unused argument from malloc_lock argument.
* malloc.cc: New file.  Doug Lea's malloc v2.7.1.
* cygmalloc.h: New file.
* include/cygwin/version.h: Bump API_MINOR.
* sync.h (muto::acquire): Use appropriate number for regparm attribute.
(muto::reset): Ditto.
(muto::release): Ditto.

winsup/cygwin/fork.cc

@@ -27,6 +27,8 @@ details. */
 #include "perthread.h"
 #include "perprocess.h"
 #include "dll_init.h"
+#include "sync.h"
+#include "cygmalloc.h"
 
 #ifdef DEBUGGING
 static int npid;
@@ -456,7 +458,7 @@ fork_parent (HANDLE& hParent, dll *&first_dll,
   PSECURITY_ATTRIBUTES sec_attribs = sec_user_nih (sa_buf);
   syscall_printf ("CreateProcess (%s, %s, 0, 0, 1, %x, 0, 0, %p, %p)",
 		  myself->progname, myself->progname, c_flags, &si, &pi);
-  __malloc_lock (_reent_clib ());
+  __malloc_lock ();
   void *newheap;
   newheap = cygheap_setup_for_child (&ch,cygheap->fdtab.need_fixup_before ());
   rc = CreateProcess (myself->progname, /* image to run */
@@ -555,7 +557,7 @@ fork_parent (HANDLE& hParent, dll *&first_dll,
 		  dll_data_start, dll_data_end,
 		  dll_bss_start, dll_bss_end, NULL);
 
-  __malloc_unlock (_reent_clib ());
+  __malloc_unlock ();
   MALLOC_CHECK;
   if (!rc)
     goto cleanup;