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Fix incorrect code removal in ipc.

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Follow-up to a930db1c9e8444ed89754c5a79085d59c7295952
This commit is contained in:
wolfbeast 2018-08-29 20:35:26 +02:00 • committed by Roy Tam
commit 1d958d0390
1 changed files with 27 additions and 0 deletions
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27
ipc/chromium/src/base/process_util_win.cc
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@ -335,6 +335,33 @@ bool LaunchApp(const std::wstring& cmdline,
bInheritHandles = TRUE;
}
// setup our handle array first - if we end up with no handles that can
// be inherited we can avoid trying to do the ThreadAttributeList dance...
HANDLE handlesToInherit[2];
int handleCount = 0;
HANDLE stdOut = ::GetStdHandle(STD_OUTPUT_HANDLE);
HANDLE stdErr = ::GetStdHandle(STD_ERROR_HANDLE);
if (IsInheritableHandle(stdOut))
handlesToInherit[handleCount++] = stdOut;
if (stdErr != stdOut && IsInheritableHandle(stdErr))
handlesToInherit[handleCount++] = stdErr;
if (handleCount) {
lpAttributeList = CreateThreadAttributeList(handlesToInherit, handleCount);
if (lpAttributeList) {
// it's safe to inherit handles, so arrange for that...
startup_info.cb = sizeof(startup_info_ex);
startup_info.dwFlags |= STARTF_USESTDHANDLES;
startup_info.hStdOutput = stdOut;
startup_info.hStdError = stdErr;
startup_info.hStdInput = INVALID_HANDLE_VALUE;
startup_info_ex.lpAttributeList = lpAttributeList;
dwCreationFlags |= EXTENDED_STARTUPINFO_PRESENT;
bInheritHandles = TRUE;
}
}
PROCESS_INFORMATION process_info;
BOOL createdOK = CreateProcess(NULL,
const_cast<wchar_t*>(cmdline.c_str()), NULL, NULL,