ivmai / libatomic_ops / 492

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Explicitly outline symbols exported in AO shared libraries

AO_DLL macro is defined by configure if building shared libraries;
AO_DLL controls the definition of AO_API.  (In case of a static build,
AO_API is always defined to "extern".)

* configure.ac [$enable_shared && !$enable_static] (CFLAGS): Perpend
-DAO_DLL.
* src/atomic_ops.c [!AO_BUILD] (AO_BUILD): Define before include
atomic_ops.h.
* src/atomic_ops.c (AO_pause): Add AO_API specifier.
* src/atomic_ops.c [!_MSC_VER && !__MINGW32__ && !__BORLANDC__
|| AO_USE_NO_SIGNALS] (AO_fetch_compare_and_swap_emulation,
AO_compare_double_and_swap_double_emulation, AO_store_full_emulation):
Likewise.
* src/atomic_ops/sysdeps/emul_cas.h
(AO_fetch_compare_and_swap_emulation,
AO_compare_double_and_swap_double_emulation, AO_store_full_emulation):
Likewise.
* src/atomic_ops/sysdeps/generic_pthread.h (AO_pt_lock): Likewise.
* src/atomic_ops_malloc.c (AO_malloc_enable_mmap, AO_malloc, AO_free):
Likewise.
* src/atomic_ops_malloc.h (AO_free, AO_malloc, AO_malloc_enable_mmap):
Likewise.
* src/atomic_ops_stack.c [AO_USE_ALMOST_LOCK_FREE] (AO_pause,
AO_stack_push_explicit_aux_release, AO_stack_pop_explicit_aux_acquire):
Likewise.
* src/atomic_ops_stack.c (AO_stack_push_release, AO_stack_pop_acquire):
Likewise.
* src/atomic_ops_stack.h [AO_USE_ALMOST_LOCK_FREE]
(AO_stack_push_explicit_aux_release,
AO_stack_pop_explicit_aux_acquire): Likewise.
* src/atomic_ops_stack.h (AO_stack_push_release, AO_stack_pop_acquire):
Likewise.
* tests/test_atomic.c [(!_MSC_VER && !__MINGW32__ && !__BORLANDC__
|| AO_USE_NO_SIGNALS || AO_USE_WIN32_PTHREADS) && AO_TEST_EMULATION]
(AO_store_full_emulation, AO_fetch_compare_and_swap_emulation):
Likewise.
* tests/test_atomic.c [(!_MSC_VER && !__MINGW32__ && !__BORLANDC__
|| AO_USE_NO_SIGNALS || AO_USE_WIN32_PTHREADS) && AO_TEST_EMULATION
&& AO_HAVE_double_t] (AO_compare_double_and_swap_double_emulation):
Likewise.
* src/atomic_ops.c [(!_MSC_VER && !__MINGW32__ && !__BORLANDC__
|| AO_USE_NO_SIGNAL... (continued)

6 of 6 new or added lines in 2 files covered. (100.0%)

2755 of 2848 relevant lines covered (96.73%)

919907.92 hits per line