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Only set StdInputHandle, StdOutputHandle and StdErrorHandle once

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git-svn-id: trunk@29094 -
This commit is contained in:
pierre 2014-11-20 21:57:15 +00:00
parent 64af966eaa
commit 260c6583cf
1 changed files with 9 additions and 3 deletions
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12
rtl/win/syswin.inc
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@ -498,9 +498,15 @@ procedure SysInitStdIO;
begin begin
{ Setup stdin, stdout and stderr, for GUI apps redirect stderr,stdout to be { Setup stdin, stdout and stderr, for GUI apps redirect stderr,stdout to be
displayed in a messagebox } displayed in a messagebox }
StdInputHandle:=longint(GetStdHandle(cardinal(STD_INPUT_HANDLE))); { WARNING: this should be done only once at startup,
StdOutputHandle:=longint(GetStdHandle(cardinal(STD_OUTPUT_HANDLE))); not for DLL entry code, as the standard handles might
StdErrorHandle:=longint(GetStdHandle(cardinal(STD_ERROR_HANDLE))); have been redirected }
if StdInputHandle=0 then
StdInputHandle:=longint(GetStdHandle(cardinal(STD_INPUT_HANDLE)));
if StdOutputHandle=0 then
StdOutputHandle:=longint(GetStdHandle(cardinal(STD_OUTPUT_HANDLE)));
if StdErrorHandle=0 then
StdErrorHandle:=longint(GetStdHandle(cardinal(STD_ERROR_HANDLE)));
if not IsConsole then if not IsConsole then
begin begin
AssignError(stderr); AssignError(stderr);