Automation testing tools.

userland/testbin/waiter/Makefile

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+# Makefile for waiter
+
+TOP=../../..
+.include "$(TOP)/mk/os161.config.mk"
+
+PROG=waiter
+SRCS=waiter.c
+BINDIR=/testbin
+
+.include "$(TOP)/mk/os161.prog.mk"
+

userland/testbin/waiter/waiter.c

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+/*
+ * waiter.c
+ * 
+ * Just sits there without doing anything. We use the read system call just to
+ * provide a way to wait. Intended to test our ability to detect stuck
+ * processes in userspace.
+ */
+
+#include <unistd.h>
+#include <err.h>
+
+int
+main(void)
+{
+	char ch=0;
+	int len;
+
+	while (ch!='q') {
+		len = read(STDIN_FILENO, &ch, 1);
+		if (len < 0) {
+			err(1, "stdin: read");
+		}
+		if (len==0) {
+			/* EOF */
+			break;
+		}
+	}
+	return 0;
+}