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Add safepoint annotations to GC callbacks. #33508

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Oct 9, 2019
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Add safepoint annotations to GC callbacks. #33508

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12 changes: 6 additions & 6 deletions src/julia_gcext.h
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Original file line number Diff line number Diff line change
Expand Up @@ -14,16 +14,16 @@ extern "C" {
// Marking callbacks for global roots and tasks, respectively. These,
// along with custom mark functions must not alter the GC state except
// through calling jl_gc_mark_queue_obj() and jl_gc_mark_queue_objarray().
typedef void (*jl_gc_cb_root_scanner_t)(int full);
typedef void (*jl_gc_cb_task_scanner_t)(jl_task_t *task, int full);
typedef void (*jl_gc_cb_root_scanner_t)(int full) JL_NOTSAFEPOINT;
typedef void (*jl_gc_cb_task_scanner_t)(jl_task_t *task, int full) JL_NOTSAFEPOINT;

// Callbacks that are invoked before and after a collection.
typedef void (*jl_gc_cb_pre_gc_t)(int full);
typedef void (*jl_gc_cb_post_gc_t)(int full);
typedef void (*jl_gc_cb_pre_gc_t)(int full) JL_NOTSAFEPOINT;
typedef void (*jl_gc_cb_post_gc_t)(int full) JL_NOTSAFEPOINT;

// Callbacks to track external object allocations.
typedef void (*jl_gc_cb_notify_external_alloc_t)(void *addr, size_t size);
typedef void (*jl_gc_cb_notify_external_free_t)(void *addr);
typedef void (*jl_gc_cb_notify_external_alloc_t)(void *addr, size_t size) JL_NOTSAFEPOINT;
typedef void (*jl_gc_cb_notify_external_free_t)(void *addr) JL_NOTSAFEPOINT;

JL_DLLEXPORT void jl_gc_set_cb_root_scanner(jl_gc_cb_root_scanner_t cb, int enable);
JL_DLLEXPORT void jl_gc_set_cb_task_scanner(jl_gc_cb_task_scanner_t cb, int enable);
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