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Diffstat (limited to 'libc/stdlib/malloc/malloc.h')
-rw-r--r--libc/stdlib/malloc/malloc.h18
1 files changed, 8 insertions, 10 deletions
diff --git a/libc/stdlib/malloc/malloc.h b/libc/stdlib/malloc/malloc.h
index 2afc3a805..609b89748 100644
--- a/libc/stdlib/malloc/malloc.h
+++ b/libc/stdlib/malloc/malloc.h
@@ -130,24 +130,21 @@ extern int __malloc_mmb_debug;
/* Locking for multithreaded apps. */
-#ifdef __UCLIBC_HAS_THREADS__
+#if defined __UCLIBC_HAS_THREADS__ && defined __LINUXTHREADS_OLD__
# include <pthread.h>
# include <bits/uClibc_pthread.h>
# define MALLOC_USE_LOCKING
-typedef pthread_mutex_t malloc_mutex_t;
-# define MALLOC_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
-
# ifdef MALLOC_USE_SBRK
/* This lock is used to serialize uses of the `sbrk' function (in both
malloc and free, sbrk may be used several times in succession, and
things will break if these multiple calls are interleaved with another
thread's use of sbrk!). */
-extern malloc_mutex_t __malloc_sbrk_lock;
-# define __malloc_lock_sbrk() __pthread_mutex_lock (&__malloc_sbrk_lock)
-# define __malloc_unlock_sbrk() __pthread_mutex_unlock (&__malloc_sbrk_lock)
+__UCLIBC_MUTEX_EXTERN(__malloc_sbrk_lock);
+# define __malloc_lock_sbrk() __UCLIBC_MUTEX_LOCK(__malloc_sbrk_lock)
+# define __malloc_unlock_sbrk() __UCLIBC_MUTEX_UNLOCK(__malloc_sbrk_lock)
# endif /* MALLOC_USE_SBRK */
#else /* !__UCLIBC_HAS_THREADS__ */
@@ -222,9 +219,10 @@ extern void __malloc_debug_printf (int indent, const char *fmt, ...);
/* The malloc heap. */
extern struct heap_free_area *__malloc_heap;
-#ifdef __UCLIBC_HAS_THREADS__
-extern malloc_mutex_t __malloc_heap_lock;
+#if defined __UCLIBC_HAS_THREADS__
+#include <bits/uClibc_mutex.h>
+__UCLIBC_MUTEX_EXTERN(__malloc_heap_lock);
#ifdef __UCLIBC_UCLINUX_BROKEN_MUNMAP__
-extern malloc_mutex_t __malloc_mmb_heap_lock;
+__UCLIBC_MUTEX_EXTERN(__malloc_mmb_heap_lock);
#endif
#endif