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Correctly exit when another window manager is already running

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This is implemented by checking if setting the redirect mask returned
an error or not.
This commit is contained in:
Michael Stapelberg
2009-12-22 11:29:24 +01:00
parent 500127705e
commit 9df64a8d0a
2 changed files with 4 additions and 2 deletions
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4
src/mainx.c
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@ -377,7 +377,9 @@ int main(int argc, char *argv[], char *env[]) {
XCB_EVENT_MASK_POINTER_MOTION |
XCB_EVENT_MASK_PROPERTY_CHANGE |
XCB_EVENT_MASK_ENTER_WINDOW };
xcb_change_window_attributes(conn, root, mask, values);
xcb_void_cookie_t cookie;
cookie = xcb_change_window_attributes_checked(conn, root, mask, values);
check_error(conn, cookie, "Another window manager seems to be running");
/* Setup NetWM atoms */
#define GET_ATOM(name) { \