newlib-cygwin/winsup/cygwin/cygmalloc.h

47 lines
1.1 KiB
C

/* cygmalloc.h: cygwin DLL malloc stuff
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#ifdef __cplusplus
extern "C" {
#endif
void dlfree (void *p);
void *dlmalloc (size_t size);
void *dlrealloc (void *p, size_t size);
void *dlcalloc (size_t nmemb, size_t size);
void *dlmemalign (size_t alignment, size_t bytes);
void *dlvalloc (size_t bytes);
size_t dlmalloc_usable_size (void *p);
int dlmalloc_trim (size_t);
int dlmallopt (int p, int v);
void dlmalloc_stats ();
#ifdef __x86_64__
#define MALLOC_ALIGNMENT ((size_t)16U)
#endif
#if defined (DLMALLOC_VERSION) /* Building malloc.cc */
extern "C" void __set_ENOMEM ();
# define MALLOC_FAILURE_ACTION __set_ENOMEM ()
# define USE_DL_PREFIX 1
#elif defined (__INSIDE_CYGWIN__)
# define __malloc_lock() AcquireSRWLockExclusive (&mallock)
# define __malloc_trylock() TryAcquireSRWLockExclusive (&mallock)
# define __malloc_unlock() ReleaseSRWLockExclusive (&mallock)
extern SRWLOCK NO_COPY mallock;
void malloc_init ();
#endif
#ifdef __cplusplus
}
#endif