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Fix calling AtExit methods after loading a workspace #2578

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merged 2 commits into from
Jun 28, 2018
Merged

Fix calling AtExit methods after loading a workspace #2578

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2ce48c0
Clean up after GAP has run from a workspace
ChrisJefferson Jun 26, 2018
97fbb75
Do not allow installing AtExit functions more than once
ChrisJefferson Jun 26, 2018
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8 changes: 8 additions & 0 deletions lib/oper.g
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Original file line number Diff line number Diff line change
Expand Up @@ -1616,6 +1616,7 @@ end );
#F InstallAtExit( <func> ) . . . . . . . . . . function to call when exiting
##
BIND_GLOBAL( "InstallAtExit", function( func )
local f;
if not IS_FUNCTION(func) then
Error( "<func> must be a function" );
fi;
Expand All @@ -1624,6 +1625,13 @@ BIND_GLOBAL( "InstallAtExit", function( func )
Error( "<func> must accept zero arguments" );
fi;
fi;
# Return if function has already been installed
# Use this long form to support both List and AtomicList
for f in GAPInfo.AtExitFuncs do
if f = func then
return;
fi;
od;
ADD_LIST( GAPInfo.AtExitFuncs, func );
end );

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1 change: 1 addition & 0 deletions lib/session.g
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Expand Up @@ -71,6 +71,7 @@ BindGlobal("POST_RESTORE", function()
fi;
od;
SESSION();
PROGRAM_CLEAN_UP();
end);

if IsHPCGAP then
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