diff options
Diffstat (limited to 'libc/stdlib/malloc-simple/alloc.c')
| -rw-r--r-- | libc/stdlib/malloc-simple/alloc.c | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/libc/stdlib/malloc-simple/alloc.c b/libc/stdlib/malloc-simple/alloc.c index a1c7b93c9..13d4166a7 100644 --- a/libc/stdlib/malloc-simple/alloc.c +++ b/libc/stdlib/malloc-simple/alloc.c @@ -13,11 +13,10 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> -#include <unistd.h> #include <errno.h> #include <sys/mman.h> -libc_hidden_proto(memcpy) +/* Experimentally off - libc_hidden_proto(memcpy) */ /*libc_hidden_proto(memset)*/ libc_hidden_proto(mmap) libc_hidden_proto(munmap) @@ -115,12 +114,11 @@ void free(void *ptr) #endif #ifdef L_memalign -#ifdef __UCLIBC_HAS_THREADS__ -# include <pthread.h> -pthread_mutex_t __malloc_lock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP; -#endif -#define LOCK __pthread_mutex_lock(&__malloc_lock) -#define UNLOCK __pthread_mutex_unlock(&__malloc_lock) + +#include <bits/uClibc_mutex.h> +__UCLIBC_MUTEX_STATIC(__malloc_lock, PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP); +#define __MALLOC_LOCK __UCLIBC_MUTEX_LOCK(__malloc_lock) +#define __MALLOC_UNLOCK __UCLIBC_MUTEX_UNLOCK(__malloc_lock) /* List of blocks allocated with memalign or valloc */ struct alignlist @@ -139,7 +137,7 @@ int __libc_free_aligned(void *ptr) if (ptr == NULL) return 0; - LOCK; + __MALLOC_LOCK; for (l = _aligned_blocks; l != NULL; l = l->next) { if (l->aligned == ptr) { /* Mark the block as free */ @@ -150,7 +148,7 @@ int __libc_free_aligned(void *ptr) return 1; } } - UNLOCK; + __MALLOC_UNLOCK; return 0; } void * memalign (size_t alignment, size_t size) @@ -162,11 +160,10 @@ void * memalign (size_t alignment, size_t size) if (result == NULL) return NULL; - adj = (unsigned long int) ((unsigned long int) ((char *) result - - (char *) NULL)) % alignment; + adj = (unsigned long int) ((unsigned long int) ((char *) result - (char *) NULL)) % alignment; if (adj != 0) { struct alignlist *l; - LOCK; + __MALLOC_LOCK; for (l = _aligned_blocks; l != NULL; l = l->next) if (l->aligned == NULL) /* This slot is free. Use it. */ @@ -175,15 +172,16 @@ void * memalign (size_t alignment, size_t size) l = (struct alignlist *) malloc (sizeof (struct alignlist)); if (l == NULL) { free(result); - UNLOCK; - return NULL; + result = NULL; + goto DONE; } l->next = _aligned_blocks; _aligned_blocks = l; } l->exact = result; result = l->aligned = (char *) result + alignment - adj; - UNLOCK; +DONE: + __MALLOC_UNLOCK; } return result; |