Add control enumeration

2020-11-27 02:06:02 +11:00
parent e6deb1cfe7
commit 8eb8441123
4 changed files with 383 additions and 5 deletions
--- a/io_pipeline.c
+++ b/io_pipeline.c
@@ -96,9 +96,13 @@ static GSource *capture_source;
 static int
 xioctl(int fd, int request, void *arg)
 {
+    int c = 0;
    int r;
    do {
        r = ioctl(fd, request, arg);
+        ++c;
+        if (c > 1)
+            printf("ioctl retry %d\n", c);
    } while (r == -1 && errno == EINTR);
    return r;
 }