X-Git-Url: https://git.llucax.com/software/dgc/cdgc.git/blobdiff_plain/961eb25ca3a5f1865be75da53b81bafb32529295..cc0ea21e4d2f60ad8cc8c4cc5da47264b8e0dc85:/rt/gc/cdgc/bits.d?ds=sidebyside diff --git a/rt/gc/cdgc/bits.d b/rt/gc/cdgc/bits.d index 9a8d1b4..17b71f3 100644 --- a/rt/gc/cdgc/bits.d +++ b/rt/gc/cdgc/bits.d @@ -26,7 +26,7 @@ module rt.gc.cdgc.bits; -import rt.gc.cdgc.alloc: os_mem_map, os_mem_unmap, Vis; +import os = rt.gc.cdgc.os; import cstring = tango.stdc.string; @@ -67,15 +67,15 @@ struct GCBits return (nwords + 2) * uint.sizeof; // +2 for sentinels } - void Dtor(Vis vis = Vis.PRIV) + void Dtor(os.Vis vis = os.Vis.PRIV) { - // Even when os_mem_unmap() can be called with a null pointer, the - // extra call might be significant. On hard GC benchmarks making the - // test for null here (i.e. not making the call) can reduce the GC time - // by almost ~5%. + // Even when os.dealloc() can be called with a null pointer, the extra + // call might be significant. On hard GC benchmarks making the test for + // null here (i.e. not making the call) can reduce the GC time by + // almost ~5%. if (data) { - os_mem_unmap(data, data_size, vis); + os.dealloc(data, data_size, vis); data = null; } } @@ -83,16 +83,15 @@ struct GCBits invariant { if (data) - { - assert(nwords * data[0].sizeof * 8 >= nbits); - } + assert (nwords == + ((nbits + (BITS_PER_WORD - 1)) >> BITS_SHIFT)); } - void alloc(size_t nbits, Vis vis = Vis.PRIV) + void alloc(size_t nbits, os.Vis vis = os.Vis.PRIV) { this.nbits = nbits; this.nwords = (nbits + (BITS_PER_WORD - 1)) >> BITS_SHIFT; - this.data = cast(uint*) os_mem_map(data_size, vis); + this.data = cast(uint*) os.alloc(data_size, vis); if (!data) onOutOfMemoryError(); }