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| author | Ulrich Drepper <drepper@gmail.com> | 2011-12-23 23:49:48 -0500 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2012-01-01 07:17:21 -0500 |
| commit | 380d7e87dc80978581e73063dff0e264283c0306 (patch) | |
| tree | 7d7bf0ae5f0ad112100bc49a2e90bcb94f9345ec | |
| parent | c0e87cc01807aee964014bb6518694e7f42b71a7 (diff) | |
| download | glibc-380d7e87dc80978581e73063dff0e264283c0306.tar.gz | |
Implement aligned_alloc
| -rw-r--r-- | ChangeLog | 8 | ||||
| -rw-r--r-- | NEWS | 15 | ||||
| -rw-r--r-- | Versions.def | 1 | ||||
| -rw-r--r-- | malloc/Versions | 3 | ||||
| -rw-r--r-- | malloc/malloc.c | 2 | ||||
| -rw-r--r-- | stdlib/stdlib.h | 5 |
6 files changed, 32 insertions, 2 deletions
@@ -28,11 +28,17 @@ 2011-12-23 Ulrich Drepper <drepper@gmail.com> + [BZ #13531] + * malloc/malloc.c: Define alias aligned_alloc for public_mEMALIGn. + * stdlib/stdlib.h: Declare aligned_alloc. + * Versions.def: Add GLIBC_2.16 for libc. + * malloc/Versions: Export aligned_alloc from libc for GLIBC_2.16. + [BZ 13527] * stdlib/stdlib.h: Make at_quick_exit and quick_exit available for ISO C11. - * include/features.h: Define __USE_ISOCXX11 when compiling ISo C++11 + * include/features.h: Define __USE_ISOCXX11 when compiling ISO C++11 code. [BZ #13528] @@ -9,7 +9,20 @@ Version 2.16 * The following bugs are resolved with this release: - 13526, 13527, 13528, 13529 + 13526, 13527, 13528, 13529, 13531 + +* ISO C11 support: + + + define static_assert + + + do not declare gets + + + declare at_quick_exit and quick_exit also for ISO C11 + + + aligned_alloc. NB: The code is deliberately allows the size parameter + to not be a multiple of the alignment. This is a moronic requirement + in the standard but it is only a requirement on the caller, not the + implementation. Version 2.15 diff --git a/Versions.def b/Versions.def index 6b05e5ba5d..2b44f5e0bb 100644 --- a/Versions.def +++ b/Versions.def @@ -32,6 +32,7 @@ libc { GLIBC_2.13 GLIBC_2.14 GLIBC_2.15 + GLIBC_2.16 HURD_CTHREADS_0.3 %ifdef EXPORT_UNWIND_FIND_FDE GCC_3.0 diff --git a/malloc/Versions b/malloc/Versions index cf0b1e559a..7ca9bdf25f 100644 --- a/malloc/Versions +++ b/malloc/Versions @@ -58,6 +58,9 @@ libc { GLIBC_2.10 { malloc_info; } + GLIBC_2.16 { + aligned_alloc; + } GLIBC_PRIVATE { # Internal startup hook for libpthread. __libc_malloc_pthread_startup; diff --git a/malloc/malloc.c b/malloc/malloc.c index 8608083adb..300e879b8c 100644 --- a/malloc/malloc.c +++ b/malloc/malloc.c @@ -3124,6 +3124,8 @@ public_mEMALIGn(size_t alignment, size_t bytes) ar_ptr == arena_for_chunk(mem2chunk(p))); return p; } +/* For ISO C11. */ +weak_alias (public_mEMALIGn, aligned_alloc) libc_hidden_def (public_mEMALIGn) void* diff --git a/stdlib/stdlib.h b/stdlib/stdlib.h index 754743f767..55886662bc 100644 --- a/stdlib/stdlib.h +++ b/stdlib/stdlib.h @@ -509,6 +509,11 @@ extern int posix_memalign (void **__memptr, size_t __alignment, size_t __size) __THROW __nonnull ((1)) __wur; #endif +#ifdef __USE_ISOC11 +/* ISO C variant of aligned allocation. */ +extern int aligned_alloc (size_t __alignment, size_t __size) __THROW __wur; +#endif + __BEGIN_NAMESPACE_STD /* Abort execution and generate a core-dump. */ extern void abort (void) __THROW __attribute__ ((__noreturn__)); |