From 12175ab5a406316bb00470acbcff3b589b1f343a Mon Sep 17 00:00:00 2001
From: glenda <glenda@r51>
Date: Wed, 1 Apr 2026 18:29:42 +0000
Subject: [PATCH] whatever i was doing last time

---
 forking.c | 17 +++++++++++++++++
 mkfile    |  4 +++-
 qlock.c   | 23 +++++++++++++++++++++++
 3 files changed, 43 insertions(+), 1 deletion(-)
 create mode 100644 forking.c
 create mode 100644 qlock.c

diff --git a/forking.c b/forking.c
new file mode 100644
index 0000000000000000000000000000000000000000..4ba963c450abd67a94e10ff152102493b2a1d262
--- /dev/null
+++ b/forking.c
@@ -0,0 +1,17 @@
+#include <u.h>
+#include <libc.h>
+
+void
+main(void)
+{
+	QLock lock;
+
+	if(fork() == 0){
+		qlock(&lock);
+		exits(nil);
+	}else{
+		waitpid();
+		qlock(&lock);
+		exits(nil);
+	}
+}
diff --git a/mkfile b/mkfile
index 8be2705066ddbbd5730f70b2a68b1c24a0ea847d..5f77f9078f1f9494a60d049856eef4a1484b7cc2 100644
--- a/mkfile
+++ b/mkfile
@@ -6,7 +6,9 @@ bins=\
 	spiral\
 	queuesrv\
 	pres\
-	ufx2font
+	ufx2font\
+	forking\
+	qlock
 
 all:VQ: `{echo $O.^$bins}
 
diff --git a/qlock.c b/qlock.c
new file mode 100644
index 0000000000000000000000000000000000000000..e415f7e05f58faae55d68ee08d16769b21951b5c
--- /dev/null
+++ b/qlock.c
@@ -0,0 +1,23 @@
+#include <u.h>
+#include <libc.h>
+
+QLock l;
+
+int
+on_note(void *, char *ty)
+{
+	fprint(2, "%d: note: %s\n", getpid(), ty);
+	return 0;
+}
+
+void
+main(int argc, char **argv)
+{
+	int pid;
+
+	atnotify(on_note, 1);
+
+	fork();
+
+	sleep(10000);
+}