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Detect available memory on OpenBSD. #2

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Detect available memory on OpenBSD. #2

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9 changes: 6 additions & 3 deletions src/vm_memory_monitor.erl
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Expand Up @@ -239,10 +239,13 @@ get_total_memory({unix,darwin}) ->
PageSize * (Inactive + Active + Free + Wired);

get_total_memory({unix,freebsd}) ->
PageSize = freebsd_sysctl("vm.stats.vm.v_page_size"),
PageCount = freebsd_sysctl("vm.stats.vm.v_page_count"),
PageSize = sysctl("vm.stats.vm.v_page_size"),
PageCount = sysctl("vm.stats.vm.v_page_count"),
PageCount * PageSize;

get_total_memory({unix,openbsd}) ->
sysctl("hw.usermem");

get_total_memory({win32,_OSname}) ->
%% Due to the Erlang print format bug, on Windows boxes the memory
%% size is broken. For example Windows 7 64 bit with 4Gigs of RAM
Expand Down Expand Up @@ -342,7 +345,7 @@ parse_line_aix(Line) ->
false -> list_to_integer(Value)
end}.

freebsd_sysctl(Def) ->
sysctl(Def) ->
list_to_integer(cmd("/sbin/sysctl -n " ++ Def) -- "\n").

%% file:read_file does not work on files in /proc as it seems to get
Expand Down