36 lines
701 B
C
36 lines
701 B
C
#define ARENA_HEADER_SIZE 128
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#define ARENA_COMMIT_SIZE (64 * 1024)
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#define ARENA_RESERVE_SIZE (64 * 1024 * 1024)
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struct Arena {
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Arena *prev;
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Arena *cur;
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u64 base_pos;
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u64 pos;
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u64 cmt;
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u64 res;
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u64 align;
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u64 mem_used;
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u64 mem_peak_used;
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b8 grow;
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};
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struct Temp {
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Arena *arena;
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u64 pos;
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};
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struct Thread_Ctx {
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Arena *arenas[2];
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};
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#define countof(a) (sizeof(a) / sizeof((a)[0]))
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internal Arena *arena_alloc();
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internal void arena_release(Arena *arena);
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internal Arena *tctx_get_scratch(Arena **conflicts, u64 count);
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#define scratch_begin(conflicts, count) temp_begin(tctx_get_scratch((conflicts), (count)))
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#define scratch_end(scratch) temp_end(scratch)
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