When the server is started with the -displayfd option, check to make sure that the writes succeed and give up running if they don't.
Signed-off-by: Keith Packard <[email protected]> --- os/connection.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/os/connection.c b/os/connection.c index 5294e59..40d9ff3 100644 --- a/os/connection.c +++ b/os/connection.c @@ -353,8 +353,10 @@ NotifyParentProcess(void) { #if !defined(WIN32) if (displayfd >= 0) { - write(displayfd, display, strlen(display)); - write(displayfd, "\n", 1); + if (write(displayfd, display, strlen(display)) != strlen(display)) + FatalError("Cannot write display number to fd %d\n", displayfd); + if (write(displayfd, "\n", 1) != 1) + FatalError("Cannot write display number to fd %d\n", displayfd); close(displayfd); displayfd = -1; } -- 1.9.2 _______________________________________________ [email protected]: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: http://lists.x.org/mailman/listinfo/xorg-devel
