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69 lines
2.2 KiB
V
69 lines
2.2 KiB
V
module builtin
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// Just define the C functions, so that V does not error because of the missing definitions.
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// Note: they will NOT be used, since calls to them are wrapped with `$if gcboehm ? { }`
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fn C.GC_MALLOC(n usize) voidptr
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fn C.GC_MALLOC_ATOMIC(n usize) voidptr
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fn C.GC_MALLOC_UNCOLLECTABLE(n usize) voidptr
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fn C.GC_REALLOC(ptr voidptr, n usize) voidptr
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fn C.GC_FREE(ptr voidptr)
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fn C.GC_memalign(align isize, size isize) voidptr
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fn C.GC_get_heap_usage_safe(pheap_size &usize, pfree_bytes &usize, punmapped_bytes &usize, pbytes_since_gc &usize,
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ptotal_bytes &usize)
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fn C.GC_get_memory_use() usize
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fn C.GC_gcollect()
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// gc_check_leaks is useful for detecting leaks, but it needs the GC to run.
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// When GC is not used, it is a NOP.
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pub fn gc_check_leaks() {}
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// gc_is_enabled() returns true, if the GC is enabled at runtime.
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// It will always return false, with `-gc none`.
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// See also gc_disable() and gc_enable().
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pub fn gc_is_enabled() bool {
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return false
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}
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// gc_enable explicitly enables the GC.
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// Note, that garbage collections are done automatically, when needed in most cases,
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// and also that by default the GC is on, so you do not need to enable it.
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// See also gc_disable() and gc_collect().
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// Note that gc_enable() is a NOP with `-gc none`.
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pub fn gc_enable() {}
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// gc_disable explicitly disables the GC.
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// Do not forget to enable it again by calling gc_enable(), when your program is otherwise idle, and can afford it.
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// See also gc_enable() and gc_collect().
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// Note that gc_disable() is a NOP with `-gc none`.
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pub fn gc_disable() {}
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// gc_collect explicitly performs a garbage collection.
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// When the GC is not on, (with `-gc none`), it is a NOP.
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pub fn gc_collect() {}
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pub type FnGC_WarnCB = fn (msg &char, arg usize)
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fn C.GC_get_warn_proc() FnGC_WarnCB
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fn C.GC_set_warn_proc(cb FnGC_WarnCB)
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// gc_get_warn_proc returns the current callback fn, that will be used for printing GC warnings.
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// When the GC is not on, it is a NOP.
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pub fn gc_get_warn_proc() {}
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// gc_set_warn_proc sets the callback fn, that will be used for printing GC warnings.
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// When the GC is not on, it is a NOP.
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pub fn gc_set_warn_proc(cb FnGC_WarnCB) {}
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// used by builtin_init
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fn internal_gc_warn_proc_none(msg &char, arg usize) {}
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