From b7ad1e063360bc90b6aa623414a0bd9eb273f03c Mon Sep 17 00:00:00 2001
From: kamkow1 <kamkow256@gmail.com>
Date: Fri, 19 Sep 2025 23:41:24 +0200
Subject: [PATCH] tb Spin efficiently with new schedrelease() syscall

---
 user/tb/interp.c | 4 +++-
 user/tb/main.c   | 2 ++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/user/tb/interp.c b/user/tb/interp.c
index e61e91c..a9af90b 100644
--- a/user/tb/interp.c
+++ b/user/tb/interp.c
@@ -239,7 +239,9 @@ bool interp_runstring(const char *string, InterpResult **res, bool logcmds) {
 
       processctl(app, PCTL_RUN, 0, 0, 0);
 
-      while(processctl(app, PCTL_POLLSTATE, 0, 0, 0) != 4);
+      while(processctl(app, PCTL_POLLSTATE, 0, 0, 0) != 4) {
+        schedrelease();
+      }
 
       cleanup:
         for (size_t j = 0; j < argslen1; j++) {
diff --git a/user/tb/main.c b/user/tb/main.c
index 67570ff..46d5995 100644
--- a/user/tb/main.c
+++ b/user/tb/main.c
@@ -124,6 +124,8 @@ void do_mode_interactive(void) {
             uprintf(ANSIQ_SCR_CLR_ALL);
             goto begin;
             break;
+        } else {
+          schedrelease();
         }
 
         if (b == '\n') {