#define NULL 0
#endif
-#ifndef FREE_RETURN_TYPE
-#define FREE_RETURN_TYPE void
-#endif
-
/* Allocate SIZE bytes of memory. */
extern __ptr_t malloc PP ((__malloc_size_t __size));
/* Allocate NMEMB elements of SIZE bytes each, all initialized to 0. */
extern __ptr_t calloc PP ((__malloc_size_t __nmemb, __malloc_size_t __size));
/* Free a block allocated by `malloc', `realloc' or `calloc'. */
-extern FREE_RETURN_TYPE free PP ((__ptr_t __ptr));
+extern void free PP ((__ptr_t __ptr));
/* Allocate SIZE bytes allocated to ALIGNMENT bytes. */
#if ! (defined (_MALLOC_INTERNAL) && __DJGPP__ - 0 == 1) /* Avoid conflict. */
extern __ptr_t memalign PP ((__malloc_size_t __alignment,
__malloc_size_t __size));
+extern int posix_memalign PP ((__ptr_t *, __malloc_size_t,
+ __malloc_size_t size));
#endif
/* Allocate SIZE bytes on a page boundary. */
}
#ifdef USE_PTHREAD
-static pthread_once_t malloc_init_once_control = PTHREAD_ONCE_INIT;
pthread_mutex_t _malloc_mutex = PTHREAD_MUTEX_INITIALIZER;
pthread_mutex_t _aligned_blocks_mutex = PTHREAD_MUTEX_INITIALIZER;
int _malloc_thread_enabled_p;
return;
}
-/* Set everything up and remember that we have. */
+/* Set everything up and remember that we have.
+ main will call malloc which calls this function. That is before any threads
+ or signal handlers has been set up, so we don't need thread protection. */
int
__malloc_initialize ()
{
-#ifdef USE_PTHREAD
- pthread_once (&malloc_init_once_control, malloc_initialize_1);
-#else
if (__malloc_initialized)
return 0;
malloc_initialize_1 ();
-#endif
return __malloc_initialized;
}
if (size < sizeof (struct list))
size = sizeof (struct list);
-#ifdef SUNOS_LOCALTIME_BUG
- if (size < 16)
- size = 16;
-#endif
-
/* Determine the allocation policy based on the request size. */
if (size <= BLOCKSIZE / 2)
{
final free block; if so we don't need to get as much. */
if (_heaplimit != 0 && block + lastblocks == _heaplimit &&
/* We can't do this if we will have to make the heap info
- table bigger to accomodate the new space. */
+ table bigger to accommodate the new space. */
block + wantblocks <= heapsize &&
get_contiguous_space ((wantblocks - lastblocks) * BLOCKSIZE,
ADDRESS (block + lastblocks)))
/* Cope with systems lacking `memmove'. */
#ifndef memmove
-#if (defined (MEMMOVE_MISSING) || \
- !defined(_LIBC) && !defined(STDC_HEADERS) && !defined(USG))
+#if (!defined(_LIBC) && !defined(STDC_HEADERS) && !defined(USG))
#ifdef emacs
#undef __malloc_safe_bcopy
#define __malloc_safe_bcopy safe_bcopy
/* Return memory to the heap. */
-FREE_RETURN_TYPE
+void
free (ptr)
__ptr_t ptr;
{
/* Cope with systems lacking `memmove'. */
-#if (defined (MEMMOVE_MISSING) || \
- !defined(_LIBC) && !defined(STDC_HEADERS) && !defined(USG))
+#if (!defined(_LIBC) && !defined(STDC_HEADERS) && !defined(USG))
#ifdef emacs
#undef __malloc_safe_bcopy
#include <malloc.h>
#endif
-#ifndef __GNU_LIBRARY__
+/* uClibc defines __GNU_LIBRARY__, but it is not completely
+ compatible. */
+#if !defined(__GNU_LIBRARY__) || defined(__UCLIBC__)
#define __sbrk sbrk
-#endif
-
-#ifdef __GNU_LIBRARY__
+#else /* __GNU_LIBRARY__ && ! defined (__UCLIBC__) */
/* It is best not to declare this and cast its result on foreign operating
systems with potentially hostile include files. */
#include <stddef.h>
extern __ptr_t __sbrk PP ((ptrdiff_t increment));
-#endif
+#endif /* __GNU_LIBRARY__ && ! defined (__UCLIBC__) */
#ifndef NULL
#define NULL 0
return result;
}
+#ifndef ENOMEM
+#define ENOMEM 12
+#endif
+
+#ifndef EINVAL
+#define EINVAL 22
+#endif
+
+int
+posix_memalign (memptr, alignment, size)
+ __ptr_t *memptr;
+ __malloc_size_t alignment;
+ __malloc_size_t size;
+{
+ __ptr_t mem;
+
+ if (alignment == 0
+ || alignment % sizeof (__ptr_t) != 0
+ || (alignment & (alignment - 1)) != 0)
+ return EINVAL;
+
+ mem = memalign (alignment, size);
+ if (mem == NULL)
+ return ENOMEM;
+
+ *memptr = mem;
+
+ return 0;
+}
+
#endif /* Not DJGPP v1 */
/* Allocate memory on a page boundary.
Copyright (C) 1991, 92, 93, 94, 96 Free Software Foundation, Inc.