diff options
Diffstat (limited to 'Kernel/Syscalls/beep.cpp')
| -rw-r--r-- | Kernel/Syscalls/beep.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Kernel/Syscalls/beep.cpp b/Kernel/Syscalls/beep.cpp index 3e2453107f..c8a897a756 100644 --- a/Kernel/Syscalls/beep.cpp +++ b/Kernel/Syscalls/beep.cpp @@ -4,6 +4,7 @@ * SPDX-License-Identifier: BSD-2-Clause */ +#include <Kernel/CommandLine.h> #include <Kernel/Devices/PCSpeaker.h> #include <Kernel/Process.h> @@ -12,6 +13,8 @@ namespace Kernel { ErrorOr<FlatPtr> Process::sys$beep() { VERIFY_NO_PROCESS_BIG_LOCK(this); + if (!kernel_command_line().is_pc_speaker_enabled()) + return ENODEV; PCSpeaker::tone_on(440); auto result = Thread::current()->sleep(Time::from_nanoseconds(200'000'000)); PCSpeaker::tone_off(); |