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Minor optimization in _dbus_getsid().

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MSDN recommands to use GetCurrentProcess() for current process.

Reviewed-by: Simon McVittie <simon.mcvittie@collabora.co.uk>
Bug: https://bugs.freedesktop.org/show_bug.cgi?id=54445
This commit is contained in:
Ralf Habacker 2015-02-10 16:21:34 +01:00 • committed by Simon McVittie
parent 87d40ec950
commit 4a39439727
1 changed files with 8 additions and 2 deletions
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10
dbus/dbus-sysdeps-win.c
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@ -981,7 +981,7 @@ static BOOL is_winxp_sp3_or_lower()
/** Gets our SID
* @param sid points to sid buffer, need to be freed with LocalFree()
* @param process_id the process id for which the sid should be returned
* @param process_id the process id for which the sid should be returned (use 0 for current process)
* @returns process sid
*/
dbus_bool_t
@ -993,7 +993,13 @@ _dbus_getsid(char **sid, dbus_pid_t process_id)
PSID psid;
int retval = FALSE;
HANDLE process_handle = OpenProcess(is_winxp_sp3_or_lower() ? PROCESS_QUERY_INFORMATION : PROCESS_QUERY_LIMITED_INFORMATION, FALSE, process_id);
HANDLE process_handle;
if (process_id == 0)
process_handle = GetCurrentProcess();
else if (is_winxp_sp3_or_lower())
process_handle = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, process_id);
else
process_handle = OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, FALSE, process_id);
if (!OpenProcessToken (process_handle, TOKEN_QUERY, &process_token))
{