Blender V4.3
Classes | Variables
atomic_ops_unix.h File Reference
Internal libraries » Atomic Operations
#include "atomic_ops_utils.h"

Go to the source code of this file.

Classes

struct  AtomicSpinLock
 

Macros

Common part of x64 implementation
#define __atomic_impl_load_generic(v)   (__sync_synchronize(), *(v))
 
#define __atomic_impl_store_generic(p, v)
 

Functions

Spin-lock implementation

Used to implement atomics on unsupported platforms. The spin implementation is shared for all platforms to make sure it compiles and tested.

struct AtomicSpinLock __attribute__ ((aligned(32))) AtomicSpinLock
 
ATOMIC_INLINE void atomic_spin_lock (volatile AtomicSpinLock *lock)
 
ATOMIC_INLINE void atomic_spin_unlock (volatile AtomicSpinLock *lock)
 

Variables

volatile int lock
 
int pad [32 - sizeof(int)]
 

Common part of locking fallback implementation

#define ATOMIC_LOCKING_OP_AND_FETCH_DEFINE(_type, _op_name, _op)
 
#define ATOMIC_LOCKING_FETCH_AND_OP_DEFINE(_type, _op_name, _op)
 
#define ATOMIC_LOCKING_ADD_AND_FETCH_DEFINE(_type)    ATOMIC_LOCKING_OP_AND_FETCH_DEFINE(_type, add, +)
 
#define ATOMIC_LOCKING_SUB_AND_FETCH_DEFINE(_type)    ATOMIC_LOCKING_OP_AND_FETCH_DEFINE(_type, sub, -)
 
#define ATOMIC_LOCKING_FETCH_AND_ADD_DEFINE(_type)    ATOMIC_LOCKING_FETCH_AND_OP_DEFINE(_type, add, +)
 
#define ATOMIC_LOCKING_FETCH_AND_SUB_DEFINE(_type)    ATOMIC_LOCKING_FETCH_AND_OP_DEFINE(_type, sub, -)
 
#define ATOMIC_LOCKING_FETCH_AND_OR_DEFINE(_type)   ATOMIC_LOCKING_FETCH_AND_OP_DEFINE(_type, or, |)
 
#define ATOMIC_LOCKING_FETCH_AND_AND_DEFINE(_type)    ATOMIC_LOCKING_FETCH_AND_OP_DEFINE(_type, and, &)
 
#define ATOMIC_LOCKING_CAS_DEFINE(_type)
 
#define ATOMIC_LOCKING_LOAD_DEFINE(_type)
 
#define ATOMIC_LOCKING_STORE_DEFINE(_type)
 
static _ATOMIC_MAYBE_UNUSED AtomicSpinLock _atomic_global_lock = {0}
 

Macro Definition Documentation

◆ __atomic_impl_load_generic

#define __atomic_impl_load_generic ( v)    (__sync_synchronize(), *(v))

Definition at line 106 of file atomic_ops_unix.h.

◆ __atomic_impl_store_generic

#define __atomic_impl_store_generic ( p,
v )
Value:
do { \
*(p) = (v); \
__sync_synchronize(); \
} while (0)
v
ATTR_WARN_UNUSED_RESULT const BMVert * v
Definition bmesh_query_inline.hh:17

Definition at line 107 of file atomic_ops_unix.h.

◆ ATOMIC_LOCKING_ADD_AND_FETCH_DEFINE

#define ATOMIC_LOCKING_ADD_AND_FETCH_DEFINE ( _type)     ATOMIC_LOCKING_OP_AND_FETCH_DEFINE(_type, add, +)

Definition at line 146 of file atomic_ops_unix.h.

◆ ATOMIC_LOCKING_CAS_DEFINE

#define ATOMIC_LOCKING_CAS_DEFINE ( _type)
Value:
ATOMIC_INLINE _type##_t atomic_cas_##_type(_type##_t *v, _type##_t old, _type##_t _new) \
{ \
atomic_spin_lock(&_atomic_global_lock); \
const _type##_t original_value = *v; \
if (*v == old) { \
*v = _new; \
} \
atomic_spin_unlock(&_atomic_global_lock); \
return original_value; \
}
_atomic_global_lock
static _ATOMIC_MAYBE_UNUSED AtomicSpinLock _atomic_global_lock
Definition atomic_ops_unix.h:123
ATOMIC_INLINE
#define ATOMIC_INLINE
Definition atomic_ops_utils.h:63

Definition at line 163 of file atomic_ops_unix.h.

◆ ATOMIC_LOCKING_FETCH_AND_ADD_DEFINE

#define ATOMIC_LOCKING_FETCH_AND_ADD_DEFINE ( _type)     ATOMIC_LOCKING_FETCH_AND_OP_DEFINE(_type, add, +)

Definition at line 152 of file atomic_ops_unix.h.

◆ ATOMIC_LOCKING_FETCH_AND_AND_DEFINE

#define ATOMIC_LOCKING_FETCH_AND_AND_DEFINE ( _type)     ATOMIC_LOCKING_FETCH_AND_OP_DEFINE(_type, and, &)

Definition at line 160 of file atomic_ops_unix.h.

◆ ATOMIC_LOCKING_FETCH_AND_OP_DEFINE

#define ATOMIC_LOCKING_FETCH_AND_OP_DEFINE ( _type,
_op_name,
_op )
Value:
ATOMIC_INLINE _type##_t atomic_fetch_and_##_op_name##_##_type(_type##_t *p, _type##_t x) \
{ \
atomic_spin_lock(&_atomic_global_lock); \
const _type##_t original_value = *(p); \
*(p) = original_value _op(x); \
atomic_spin_unlock(&_atomic_global_lock); \
return original_value; \
}

Definition at line 136 of file atomic_ops_unix.h.

◆ ATOMIC_LOCKING_FETCH_AND_OR_DEFINE

#define ATOMIC_LOCKING_FETCH_AND_OR_DEFINE ( _type)    ATOMIC_LOCKING_FETCH_AND_OP_DEFINE(_type, or, |)

Definition at line 158 of file atomic_ops_unix.h.

◆ ATOMIC_LOCKING_FETCH_AND_SUB_DEFINE

#define ATOMIC_LOCKING_FETCH_AND_SUB_DEFINE ( _type)     ATOMIC_LOCKING_FETCH_AND_OP_DEFINE(_type, sub, -)

Definition at line 155 of file atomic_ops_unix.h.

◆ ATOMIC_LOCKING_LOAD_DEFINE

#define ATOMIC_LOCKING_LOAD_DEFINE ( _type)
Value:
ATOMIC_INLINE _type##_t atomic_load_##_type(const _type##_t *v) \
{ \
atomic_spin_lock(&_atomic_global_lock); \
const _type##_t value = *v; \
atomic_spin_unlock(&_atomic_global_lock); \
return value; \
}

Definition at line 175 of file atomic_ops_unix.h.

◆ ATOMIC_LOCKING_OP_AND_FETCH_DEFINE

#define ATOMIC_LOCKING_OP_AND_FETCH_DEFINE ( _type,
_op_name,
_op )
Value:
ATOMIC_INLINE _type##_t atomic_##_op_name##_and_fetch_##_type(_type##_t *p, _type##_t x) \
{ \
atomic_spin_lock(&_atomic_global_lock); \
const _type##_t original_value = *(p); \
const _type##_t new_value = original_value _op(x); \
*(p) = new_value; \
atomic_spin_unlock(&_atomic_global_lock); \
return new_value; \
}

Definition at line 125 of file atomic_ops_unix.h.

◆ ATOMIC_LOCKING_STORE_DEFINE

#define ATOMIC_LOCKING_STORE_DEFINE ( _type)
Value:
ATOMIC_INLINE void atomic_store_##_type(_type##_t *p, const _type##_t v) \
{ \
atomic_spin_lock(&_atomic_global_lock); \
*p = v; \
atomic_spin_unlock(&_atomic_global_lock); \
}

Definition at line 184 of file atomic_ops_unix.h.

◆ ATOMIC_LOCKING_SUB_AND_FETCH_DEFINE

#define ATOMIC_LOCKING_SUB_AND_FETCH_DEFINE ( _type)     ATOMIC_LOCKING_OP_AND_FETCH_DEFINE(_type, sub, -)

Definition at line 149 of file atomic_ops_unix.h.

Function Documentation

◆ __attribute__()

struct AtomicSpinLock __attribute__ ( (aligned(32)) )

◆ atomic_spin_lock()

ATOMIC_INLINE void atomic_spin_lock ( volatile AtomicSpinLock * lock)

Definition at line 84 of file atomic_ops_unix.h.

References lock.

◆ atomic_spin_unlock()

ATOMIC_INLINE void atomic_spin_unlock ( volatile AtomicSpinLock * lock)

Definition at line 92 of file atomic_ops_unix.h.

References lock.

Variable Documentation

◆ _atomic_global_lock

_ATOMIC_MAYBE_UNUSED AtomicSpinLock _atomic_global_lock = {0}
static

Definition at line 123 of file atomic_ops_unix.h.

◆ lock

volatile int lock

Definition at line 0 of file atomic_ops_unix.h.

Referenced by thread_counting_semaphore::acquire(), blender::draw::image_engine::SpaceImageAccessor::acquire_image_buffer(), blender::draw::image_engine::SpaceNodeAccessor::acquire_image_buffer(), blender::deg::sync_writeback::add(), blender::gpu::render_graph::VKResourceStateTracker::add_buffer(), Progress::add_finished_tile(), blender::gpu::render_graph::VKResourceStateTracker::add_image(), mem_guarded::internal::add_memleak_data(), Progress::add_samples(), Profiler::add_state(), blender::ed::spreadsheet::GeometryDataSource::apply_selection_filter(), atomic_spin_lock(), atomic_spin_unlock(), Device::available_devices(), blender::ed::space_node::backimage_fit_exec(), blender::ed::object::bake_object_check(), blender::ed::object::bake_targets_init_internal(), blender::gpu::VKShaderCompiler::batch_compile(), blender::gpu::MTLParallelShaderCompiler::batch_finalize(), blender::gpu::VKShaderCompiler::batch_finalize(), blender::gpu::MTLParallelShaderCompiler::batch_is_ready(), blender::gpu::VKShaderCompiler::batch_is_ready(), BKE_icon_delete(), BKE_icon_delete_unmanaged(), BKE_icon_id_delete(), BKE_icon_set(), BKE_icons_deferred_free(), BKE_image_get_float_pixels_for_frame(), BKE_image_get_pixels_for_frame(), BKE_image_get_size(), BKE_image_has_alpha(), BKE_image_preview(), BKE_image_release_ibuf(), BKE_image_save_options_init(), BKE_image_scale(), BKE_mesh_wrapper_ensure_mdata(), BKE_mesh_wrapper_ensure_subdivision(), BKE_object_select_update(), BKE_report(), BKE_report_print_level_set(), BKE_report_store_level_set(), BKE_report_write_file_fp(), BKE_reportf(), BKE_reports_clear(), BKE_reports_contain(), BKE_reports_last_displayable(), BKE_reports_move_to_reports(), BKE_reports_string(), BKE_volume_load(), blf_glyph_cache_clear(), blender::ed::sculpt_paint::undo::bmesh_push(), bvhcache_find(), PathTrace::cancel(), blender::asset_system::AssetCatalogService::catalog_tree(), blender::memory_cache::clear(), blender::render::TilesHighlight::clear(), blender::ed::greasepencil::clipboard_free(), HdCyclesDelegate::CommitResources(), Render::compositor_execute(), Render::compositor_free(), blender::gpu::MTLParallelShaderCompiler::create_compile_threads(), data_device_handle_drop(), data_device_handle_enter(), data_device_handle_leave(), data_device_handle_motion(), data_device_handle_selection(), OIDNDenoiser::denoise_buffer(), Device::device_capabilities(), BlenderSession::draw(), PathTraceDisplay::draw(), blender::ed::space_node::draw_nodespace_back_pix(), draw_plane_marker_image(), blender::draw::drw_attributes_merge(), drw_deferred_shader_compilation_exec(), blender::nodes::GeometryNodesLazyFunctionLogger::dump_when_input_is_set_twice(), blender::nodes::GeometryNodesLazyFunctionLogger::dump_when_outputs_are_missing(), ED_space_image_color_sample(), ED_space_image_get_position(), ED_space_image_get_size(), ED_space_image_has_buffer(), ED_space_image_release_buffer(), ED_space_node_color_sample(), ED_space_node_get_position(), blender::CacheMutex::ensure(), blender::compositor::TranslateOperation::ensure_delta(), blender::nodes::ensure_geometry_nodes_lazy_function_graph(), blender::ed::greasepencil::ensure_grease_pencil_clipboard(), blender::ed::sculpt_paint::undo::ensure_node(), TaskScheduler::exit(), HdCyclesGeometry< Base, CyclesBase >::Finalize(), HdCyclesLight::Finalize(), HdCyclesMaterial::Finalize(), blender::gpu::VKPipelinePool::free_data(), GPUDevice::generic_alloc(), GPUDevice::generic_copy_to(), GPUDevice::generic_free(), blender::NodesModifierBakeParams::get(), blender::NodesModifierSimulationParams::get(), blender::render::TilesHighlight::get_all_highlighted_tiles(), blender::deg::get_all_registered_graphs(), ShaderManager::get_attribute_id(), blender::nodes::get_bake_draw_context(), blender::memory_cache::get_base(), Progress::get_cancel_message(), blender::ed::spreadsheet::GeometryDataSource::get_column_values(), Progress::get_current_sample(), 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◆ pad

int pad[32 - sizeof(int)]

Definition at line 3 of file atomic_ops_unix.h.

Referenced by blender::ed::space_node::backimage_fit_exec(), BKE_image_stamp_buf(), BKE_unit_value_as_string(), BKE_unit_value_as_string_adaptive(), BLI_hash_md5_buffer(), BLI_hash_md5_stream(), BLI_str_rstrip_float_zero(), BLI_strcmp_ignore_pad(), BLI_strncpy_ensure_pad(), constants_calc_size(), device_info_list_report(), dpxCreate(), draw_backdrop(), edge_pan_speed(), file_attribute_columns_widths(), file_draw_invalid_asset_library_hint(), file_draw_invalid_library_hint(), MD5Hash::finish(), region_draw_status_text(), blender::ed::space_node::snode_bg_viewmove_invoke(), ui_get_but_string_unit(), UI_preview_tile_size_x(), UI_preview_tile_size_y(), UI_preview_tile_size_y_no_label(), UI_region_view_find_at(), ui_tooltip_create_with_data(), unit_as_string(), unit_as_string_main(), btSoftBody::updateFace(), and btSoftBody::updateNode().

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