Kernel: Block a signal from being dispatched again until handler returns.

We don't handle nesting yet, but this is a step in the right direction.

1 files changed, 2 insertions, 0 deletions

diff --git a/Kernel/Syscall.cpp b/Kernel/Syscall.cpp
index 2c339ea176..945be0e679 100644
--- a/Kernel/Syscall.cpp
+++ b/Kernel/Syscall.cpp
@@ -221,6 +221,8 @@ static dword handle(RegisterDump& regs, dword function, dword arg1, dword arg2,
         return current->sys$release_shared_buffer((int)arg1);
     case Syscall::SC_chown:
         return current->sys$chown((const char*)arg1, (uid_t)arg2, (gid_t)arg3);
+    case Syscall::SC_restore_signal_mask:
+        return current->sys$restore_signal_mask((dword)arg1);
     default:
         kprintf("<%u> int0x80: Unknown function %u requested {%x, %x, %x}\n", current->pid(), function, arg1, arg2, arg3);
         break;