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-rw-r--r--dix/globals.c3
-rw-r--r--include/opaque.h1
-rw-r--r--os/connection.c12
-rw-r--r--os/utils.c2
4 files changed, 10 insertions, 8 deletions
diff --git a/dix/globals.c b/dix/globals.c
index 9738e9cdf..eaa2afe24 100644
--- a/dix/globals.c
+++ b/dix/globals.c
@@ -127,7 +127,8 @@ int defaultColorVisualClass = -1;
int monitorResolution = 0;
const char *display;
-int displayfd;
+int displayfd = -1;
+Bool explicit_display = FALSE;
char *ConnectionInfo;
CARD32 TimeOutValue = DEFAULT_TIMEOUT * MILLI_PER_SECOND;
diff --git a/include/opaque.h b/include/opaque.h
index 7ec1d850f..6b8071c5b 100644
--- a/include/opaque.h
+++ b/include/opaque.h
@@ -51,6 +51,7 @@ extern _X_EXPORT int defaultScreenSaverBlanking;
extern _X_EXPORT int defaultScreenSaverAllowExposures;
extern _X_EXPORT const char *display;
extern _X_EXPORT int displayfd;
+extern _X_EXPORT Bool explicit_display;
extern _X_EXPORT int defaultBackingStore;
extern _X_EXPORT Bool disableBackingStore;
diff --git a/os/connection.c b/os/connection.c
index b3640b8e4..e914d9d94 100644
--- a/os/connection.c
+++ b/os/connection.c
@@ -352,8 +352,8 @@ void
NotifyParentProcess(void)
{
#if !defined(WIN32)
- if (dynamic_display[0]) {
- write(displayfd, dynamic_display, strlen(dynamic_display));
+ if (displayfd >= 0) {
+ write(displayfd, display, strlen(display));
write(displayfd, "\n", 1);
close(displayfd);
}
@@ -405,18 +405,18 @@ CreateWellKnownSockets(void)
FD_ZERO(&WellKnownConnections);
/* display is initialized to "0" by main(). It is then set to the display
- * number if specified on the command line, or to NULL when the -displayfd
- * option is used. */
+ * number if specified on the command line. */
+
if (NoListenAll) {
ListenTransCount = 0;
}
- else if (display) {
+ else if ((displayfd < 0) || explicit_display) {
if (TryCreateSocket(atoi(display), &partial) &&
ListenTransCount >= 1)
if (!PartialNetwork && partial)
FatalError ("Failed to establish all listening sockets");
}
- else { /* -displayfd */
+ else { /* -displayfd and no explicit display number */
Bool found = 0;
for (i = 0; i < 65535 - X_TCP_PORT; i++) {
if (TryCreateSocket(i, &partial) && !partial) {
diff --git a/os/utils.c b/os/utils.c
index c513968ad..6e6974e89 100644
--- a/os/utils.c
+++ b/os/utils.c
@@ -666,6 +666,7 @@ ProcessCommandLine(int argc, char *argv[])
else if (argv[i][0] == ':') {
/* initialize display */
display = argv[i];
+ explicit_display = TRUE;
display++;
if (!VerifyDisplayName(display)) {
ErrorF("Bad display name: %s\n", display);
@@ -736,7 +737,6 @@ ProcessCommandLine(int argc, char *argv[])
else if (strcmp(argv[i], "-displayfd") == 0) {
if (++i < argc) {
displayfd = atoi(argv[i]);
- display = NULL;
#ifdef LOCK_SERVER
nolock = TRUE;
#endif