From 10d52f4f24f80835d28d8278df84d8bd500bd347 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gustav=20S=C3=B6rn=C3=A4s?= <gustav@sornas.net>
Date: Fri, 12 Mar 2021 16:14:21 +0100
Subject: add simple wait test

---
 src/examples/Makefile |  3 ++-
 src/examples/wait.c   | 13 +++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)
 create mode 100644 src/examples/wait.c

(limited to 'src/examples')

diff --git a/src/examples/Makefile b/src/examples/Makefile
index 13c09fc..515bb74 100644
--- a/src/examples/Makefile
+++ b/src/examples/Makefile
@@ -8,7 +8,7 @@ PROGS = cat cmp cp echo halt hex-dump ls mcat mcp mkdir pwd rm shell \
 	sumargv lab2test lab1test lab1test2 pfs pfs_reader pfs_writer dummy longrun \
 	child parent create-bad printf
 
-PROGS += create read lab3test1 lab4test1 lab3test2 args
+PROGS += create read lab3test1 lab4test1 lab3test2 args wait
 
 create_SRC = create.c
 read_SRC = read.c
@@ -16,6 +16,7 @@ lab3test1_SRC = lab3test1.c
 lab4test1_SRC = lab4test1.c
 lab3test2_SRC = lab3test2.c
 args_SRC = args.c
+wait_SRC = wait.c
 
 # Added test programs
 printf_SRC = printf.c
diff --git a/src/examples/wait.c b/src/examples/wait.c
new file mode 100644
index 0000000..ab0ea90
--- /dev/null
+++ b/src/examples/wait.c
@@ -0,0 +1,13 @@
+#include <stdio.h>
+#include <syscall.h>
+
+int
+main (int argc, char **argv)
+{
+  printf ("hello\n");
+  if (argc != 1) {
+    int child = exec("wait");
+    printf("%d: %d\n", child, wait(child));
+  }
+  exit(1);
+}
-- 
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