Kernel: Make usleep aware of dynamic tick length

On my system, ticks_per_second() returns 1280. So Serenity was always 20% too fast when sleeping!
Author: https://github.com/BenWiederhake Commit: https://github.com/SerenityOS/serenity/commit/4a5a7b68eb8 Pull-request: https://github.com/SerenityOS/serenity/pull/2192 Reviewed-by: https://github.com/awesomekling Reviewed-by: https://github.com/elcuco
2025-01-23 17:52:26 -05:00 · 2020-05-11 03:05:22 +02:00 · 2020-05-11 03:05:22 +02:00 · 4a5a7b68eb · 2024-07-19 04:37:44 +09:00
commit 4a5a7b68eb
parent 782db88e82
1 changed files with 1 additions and 1 deletions
--- a/Kernel/Process.cpp
+++ b/Kernel/Process.cpp
@ -2436,7 +2436,7 @@ int Process::sys$usleep(useconds_t usec)
    REQUIRE_PROMISE(stdio);
    if (!usec)
        return 0;
-    u64 wakeup_time = Thread::current()->sleep(usec / 1000);
+    u64 wakeup_time = Thread::current()->sleep(usec * TimeManagement::the().ticks_per_second() / 1000000);
    if (wakeup_time > g_uptime)
        return -EINTR;
    return 0;