diff options
| author | Idan Horowitz <idan.horowitz@gmail.com> | 2021-08-06 14:22:21 +0300 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2021-08-06 23:36:12 +0200 |
| commit | da0b7d17379db0b32d7ea4d816296312178a62b5 (patch) | |
| tree | dad208f1bb80407d3cadb3f1fefff7de9dca2638 /Kernel | |
| parent | c3f668a758addcf80154d42e95a701edce4bbe59 (diff) | |
| download | serenity-da0b7d17379db0b32d7ea4d816296312178a62b5.zip | |
Kernel: Disable big process lock for sys$beep()
The PCSpeaker is global and not locked anyways, so there's no need for
mutual exclusion between threads in the same process.
Diffstat (limited to 'Kernel')
| -rw-r--r-- | Kernel/API/Syscall.h | 2 | ||||
| -rw-r--r-- | Kernel/Syscalls/beep.cpp | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/Kernel/API/Syscall.h b/Kernel/API/Syscall.h index 7c0ee3b9f1..034e18122d 100644 --- a/Kernel/API/Syscall.h +++ b/Kernel/API/Syscall.h @@ -133,7 +133,7 @@ enum class NeedsBigProcessLock { S(exit_thread, NeedsBigProcessLock::Yes) \ S(mknod, NeedsBigProcessLock::Yes) \ S(writev, NeedsBigProcessLock::Yes) \ - S(beep, NeedsBigProcessLock::Yes) \ + S(beep, NeedsBigProcessLock::No) \ S(getsockname, NeedsBigProcessLock::Yes) \ S(getpeername, NeedsBigProcessLock::Yes) \ S(socketpair, NeedsBigProcessLock::Yes) \ diff --git a/Kernel/Syscalls/beep.cpp b/Kernel/Syscalls/beep.cpp index 0f0a21a640..0fc0ea7cb7 100644 --- a/Kernel/Syscalls/beep.cpp +++ b/Kernel/Syscalls/beep.cpp @@ -11,7 +11,7 @@ namespace Kernel { KResultOr<FlatPtr> Process::sys$beep() { - VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this); + VERIFY_NO_PROCESS_BIG_LOCK(this); PCSpeaker::tone_on(440); auto result = Thread::current()->sleep(Time::from_nanoseconds(200'000'000)); PCSpeaker::tone_off(); |