winsup/cygwin/local_includes/cygmalloc.h

   1 /* cygmalloc.h: cygwin DLL malloc stuff
   2
   3 This file is part of Cygwin.
   4
   5 This software is a copyrighted work licensed under the terms of the
   6 Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
   7 details. */
   8
   9 #ifdef __cplusplus
  10 extern "C" {
  11 #endif
  12
  13 void dlfree (void *p);
  14 void *dlmalloc (size_t size);
  15 void *dlrealloc (void *p, size_t size);
  16 void *dlcalloc (size_t nmemb, size_t size);
  17 void *dlmemalign (size_t alignment, size_t bytes);
  18 void *dlvalloc (size_t bytes);
  19 size_t dlmalloc_usable_size (void *p);
  20 int dlmalloc_trim (size_t);
  21 int dlmallopt (int p, int v);
  22 void dlmalloc_stats ();
  23
  24 #define MALLOC_ALIGNMENT ((size_t)16U)
  25
  26 #if defined (DLMALLOC_VERSION)  /* Building malloc.cc */
  27
  28 extern "C" void __set_ENOMEM ();
  29 # define MALLOC_FAILURE_ACTION  __set_ENOMEM ()
  30 # define USE_DL_PREFIX 1
  31
  32 #elif defined (__INSIDE_CYGWIN__)
  33
  34 # define __malloc_lock() AcquireSRWLockExclusive (&mallock)
  35 # define __malloc_unlock() ReleaseSRWLockExclusive (&mallock)
  36 extern SRWLOCK NO_COPY mallock;
  37 void malloc_init ();
  38
  39 #endif
  40
  41 #ifdef __cplusplus
  42 }
  43 #endif