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authorTimo Teräs <timo.teras@iki.fi>2010-04-22 05:41:17 +0000
committerAustin Foxley <austinf@cetoncorp.com>2010-04-22 08:45:25 -0700
commit744842bf666f31cfdd355598c244cef2487eded4 (patch)
tree525fa9189a8d40454a22b565ea2d9ebd55b8b7d5 /libc
parent71239593ef4077b3e3d06a0f21aa5d0697880bef (diff)
nptl: fix malloc library locking
Update malloc library to use internal uclibc locking primitives to get the libpthread calls correct. Signed-off-by: Timo Teräs <timo.teras@iki.fi> Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
Diffstat (limited to 'libc')
-rw-r--r--libc/stdlib/malloc/heap.h7
-rw-r--r--libc/stdlib/malloc/malloc.h11
2 files changed, 8 insertions, 10 deletions
diff --git a/libc/stdlib/malloc/heap.h b/libc/stdlib/malloc/heap.h
index c0c5df821..30380791f 100644
--- a/libc/stdlib/malloc/heap.h
+++ b/libc/stdlib/malloc/heap.h
@@ -16,11 +16,10 @@
/* On multi-threaded systems, the heap includes a lock. */
#ifdef __UCLIBC_HAS_THREADS__
-# include <pthread.h>
-# include <bits/uClibc_pthread.h>
+# include <bits/uClibc_mutex.h>
# define HEAP_USE_LOCKING
-# define __heap_lock(heap_lock) __pthread_mutex_lock (heap_lock)
-# define __heap_unlock(heap_lock) __pthread_mutex_unlock (heap_lock)
+# define __heap_lock(heap_lock) __UCLIBC_MUTEX_LOCK_CANCEL_UNSAFE(*(heap_lock))
+# define __heap_unlock(heap_lock) __UCLIBC_MUTEX_UNLOCK_CANCEL_UNSAFE(*(heap_lock))
#else
# define __heap_lock(heap_lock)
# define __heap_unlock(heap_lock)
diff --git a/libc/stdlib/malloc/malloc.h b/libc/stdlib/malloc/malloc.h
index 2afc3a805..0a4b43b86 100644
--- a/libc/stdlib/malloc/malloc.h
+++ b/libc/stdlib/malloc/malloc.h
@@ -132,13 +132,12 @@ extern int __malloc_mmb_debug;
/* Locking for multithreaded apps. */
#ifdef __UCLIBC_HAS_THREADS__
-# include <pthread.h>
-# include <bits/uClibc_pthread.h>
+# include <bits/uClibc_mutex.h>
# define MALLOC_USE_LOCKING
-typedef pthread_mutex_t malloc_mutex_t;
-# define MALLOC_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
+typedef __UCLIBC_MUTEX_TYPE malloc_mutex_t;
+# define MALLOC_MUTEX_INIT __UCLIBC_MUTEX_INITIALIZER
# ifdef MALLOC_USE_SBRK
/* This lock is used to serialize uses of the `sbrk' function (in both
@@ -146,8 +145,8 @@ typedef pthread_mutex_t malloc_mutex_t;
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)
+# define __malloc_lock_sbrk() __UCLIBC_MUTEX_LOCK_CANCEL_UNSAFE (__malloc_sbrk_lock)
+# define __malloc_unlock_sbrk() __UCLIBC_MUTEX_UNLOCK_CANCEL_UNSAFE (__malloc_sbrk_lock)
# endif /* MALLOC_USE_SBRK */
#else /* !__UCLIBC_HAS_THREADS__ */