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-rw-r--r--progs/xdemos/glthreads.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/progs/xdemos/glthreads.c b/progs/xdemos/glthreads.c
index e9c654c649..4f87ee75d4 100644
--- a/progs/xdemos/glthreads.c
+++ b/progs/xdemos/glthreads.c
@@ -24,6 +24,7 @@
* This program tests GLX thread safety.
* Command line options:
* -p Open a display connection for each thread
+ * -l Enable application-side locking
* -n <num threads> Number of threads to create (default is 2)
* -display <display name> Specify X display (default is :0.0)
*
@@ -405,6 +406,19 @@ clean_up(void)
}
+static void
+usage(void)
+{
+ printf("glthreads: test of GL thread safety (any key = exit)\n");
+ printf("Usage:\n");
+ printf(" glthreads [options]\n");
+ printf("Options:\n");
+ printf(" -display DISPLAYNAME Specify display string\n");
+ printf(" -n NUMTHREADS Number of threads to create\n");
+ printf(" -p Use a separate display connection for each thread\n");
+ printf(" -l Use application-side locking\n");
+}
+
int
main(int argc, char *argv[])
@@ -416,9 +430,7 @@ main(int argc, char *argv[])
Status threadStat;
if (argc == 1) {
- printf("glthreads: test of GL thread safety (any key = exit)\n");
- printf("Usage:\n");
- printf(" glthreads [-display dpyName] [-n numthreads]\n");
+ usage();
}
else {
int i;
@@ -442,13 +454,14 @@ main(int argc, char *argv[])
i++;
}
else {
- fprintf(stderr, "glthreads: unexpected flag: %s\n", argv[i]);
+ usage();
+ exit(1);
}
}
}
if (Locking)
- printf("glthreads: Using explict locks around Xlib calls.\n");
+ printf("glthreads: Using explicit locks around Xlib calls.\n");
else
printf("glthreads: No explict locking.\n");