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ShellPkg: CTRL-C stops a running script at the same time 

This makes CTRL-C stop a running script after trying to stop the command.  And adds comments to describe the behavior more clearly.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jaben Carsey <jaben.carsey@intel.com>
Reviewed-by: Erik Bjorge <erik.c.bjorge@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15008 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Jaben Carsey 2013-12-19 21:55:13 +00:00 committed by jcarsey
parent 806c49db05
commit e3eb7d825a
1 changed files with 23 additions and 6 deletions
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25
ShellPkg/Application/Shell/Shell.c
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@ -1840,8 +1840,19 @@ RunInternalCommand(
// Pass thru the exitcode from the app.
//
if (ShellCommandGetExit()) {
//
// An Exit was requested ("exit" command), pass its value up.
//
Status = CommandReturnedStatus;
} else if (CommandReturnedStatus != 0 && IsScriptOnlyCommand(FirstParameter)) {
} else if (CommandReturnedStatus != SHELL_SUCCESS && IsScriptOnlyCommand(FirstParameter)) {
//
// Always abort when a script only command fails for any reason
//
Status = EFI_ABORTED;
} else if (ShellCommandGetCurrentScriptFile() != NULL && CommandReturnedStatus == SHELL_ABORTED) {
//
// Abort when in a script and a command aborted
//
Status = EFI_ABORTED;
}
}
@ -1853,11 +1864,17 @@ RunInternalCommand(
//
RestoreArgcArgv(ParamProtocol, &Argv, &Argc);
if (ShellCommandGetCurrentScriptFile() != NULL && !IsScriptOnlyCommand(FirstParameter)) {
//
// if this is NOT a scipt only command return success so the script won't quit.
// prevent killing the script - this is the only place where we know the actual command name (after alias and variable replacement...)
// If a script is running and the command is not a scipt only command, then
// change return value to success so the script won't halt (unless aborted).
//
// Script only commands have to be able halt the script since the script will
// not operate if they are failing.
//
if ( ShellCommandGetCurrentScriptFile() != NULL
&& !IsScriptOnlyCommand(FirstParameter)
&& Status != EFI_ABORTED
) {
Status = EFI_SUCCESS;
}