[PATCH] Add FreeBSD support to sanitizers' procmaps facilities

[Viktor Kutuzov]

================
Comment at: lib/sanitizer_common/sanitizer_procmaps_linux.cc:41
@@ +40,3 @@
+  void *VmMap = MmapOrDie(MmapedSize, "ReadProcMaps()");
+  Size = MmapedSize;
+  Err = sysctl(Mib, 4, VmMap, &Size, NULL, 0);
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Alexey Samsonov wrote:
> do you really need this assignment? Why not pass &MmapedSize to sysctl, and leave Size <= MmapedSize?
Umm, not sure I understand what you mean. Without this assignment increasing the MmapedSize value would have no sense. If we pass &MmapedSize to sysctl(), then we lose the amount of mmaped memory. Either case, Size will be less than or equal to MmapedSize.


http://llvm-reviews.chandlerc.com/D3100