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| author | Florian Weimer <fweimer@redhat.com> | 2016-02-19 17:07:45 +0100 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2016-02-19 17:07:45 +0100 |
| commit | 59eda029a8a35e5f4e5cd7be0f84c6629e48ec6e (patch) | |
| tree | 63b915b9258bf371bae30d56f54c5a1eed4b3e61 | |
| parent | ca135f824b1dbaf43e4a673de7725db76a51b714 (diff) | |
| download | glibc-59eda029a8a35e5f4e5cd7be0f84c6629e48ec6e.tar.gz | |
malloc: Remove NO_THREADS
No functional change. It was not possible to build without
threading support before.
| -rw-r--r-- | ChangeLog | 7 | ||||
| -rw-r--r-- | malloc/arena.c | 3 | ||||
| -rw-r--r-- | malloc/malloc.c | 2 | ||||
| -rw-r--r-- | sysdeps/generic/malloc-machine.h | 19 |
4 files changed, 7 insertions, 24 deletions
@@ -1,5 +1,12 @@ 2016-02-19 Florian Weimer <fweimer@redhat.com> + * sysdeps/generic/malloc-machine.h: Assume mutex_init is always + available. Do not define NO_THREADS. + * malloc/malloc.c: Do not check NO_THREADS. + * malloc/arena.c: Likewise. + +2016-02-19 Florian Weimer <fweimer@redhat.com> + * malloc/malloc.c (__libc_mallinfo): Update comment. (struct malloc_par): Remove max_total_mem member, it was always 0. (int_mallinfo): Store 0 into usmblks (no functional change). diff --git a/malloc/arena.c b/malloc/arena.c index 54cf0865ea..cd26cdd02c 100644 --- a/malloc/arena.c +++ b/malloc/arena.c @@ -127,8 +127,6 @@ int __malloc_initialized = -1; /**************************************************************************/ -#ifndef NO_THREADS - /* atfork support. */ static void *(*save_malloc_hook)(size_t __size, const void *); @@ -327,7 +325,6 @@ ptmalloc_unlock_all2 (void) # define ptmalloc_unlock_all2 ptmalloc_unlock_all # endif -#endif /* !NO_THREADS */ /* Initialization routine. */ #include <string.h> diff --git a/malloc/malloc.c b/malloc/malloc.c index 1038df4864..b8a43bfb32 100644 --- a/malloc/malloc.c +++ b/malloc/malloc.c @@ -1073,10 +1073,8 @@ static void* realloc_check(void* oldmem, size_t bytes, const void *caller); static void* memalign_check(size_t alignment, size_t bytes, const void *caller); -#ifndef NO_THREADS static void* malloc_atfork(size_t sz, const void *caller); static void free_atfork(void* mem, const void *caller); -#endif /* ------------------ MMAP support ------------------ */ diff --git a/sysdeps/generic/malloc-machine.h b/sysdeps/generic/malloc-machine.h index 1ed2d50a20..71b95c23e9 100644 --- a/sysdeps/generic/malloc-machine.h +++ b/sysdeps/generic/malloc-machine.h @@ -22,25 +22,6 @@ #include <atomic.h> -#ifndef mutex_init /* No threads, provide dummy macros */ - -# define NO_THREADS - -/* The mutex functions used to do absolutely nothing, i.e. lock, - trylock and unlock would always just return 0. However, even - without any concurrently active threads, a mutex can be used - legitimately as an `in use' flag. To make the code that is - protected by a mutex async-signal safe, these macros would have to - be based on atomic test-and-set operations, for example. */ -typedef int mutex_t; - -# define mutex_init(m) (*(m) = 0) -# define mutex_lock(m) ({ *(m) = 1; 0; }) -# define mutex_trylock(m) (*(m) ? 1 : ((*(m) = 1), 0)) -# define mutex_unlock(m) (*(m) = 0) - -#endif /* !defined mutex_init */ - #ifndef atomic_full_barrier # define atomic_full_barrier() __asm ("" ::: "memory") #endif |