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UserspaceEmulator: Add support for watch_file

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This commit is contained in:
Simon Danner
2020-11-21 18:15:40 +01:00
committed by Andreas Kling
parent 178190ab52
commit 09b095e62a
2 changed files with 9 additions and 0 deletions
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8
DevTools/UserspaceEmulator/Emulator.cpp
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@@ -400,6 +400,8 @@ u32 Emulator::virt_syscall(u32 function, u32 arg1, u32 arg2, u32 arg3)
return virt$set_thread_name(arg1, arg2, arg3);
case SC_setsid:
return virt$setsid();
case SC_watch_file:
return virt$watch_file(arg1, arg2);
default:
reportln("\n=={}== \033[31;1mUnimplemented syscall: {}\033[0m, {:p}", getpid(), Syscall::to_string((Syscall::Function)function), function);
dump_backtrace();
@@ -1493,4 +1495,10 @@ pid_t Emulator::virt$setsid()
return syscall(SC_setsid);
}
int Emulator::virt$watch_file(FlatPtr user_path_addr, size_t path_length)
{
auto user_path = mmu().copy_buffer_from_vm(user_path_addr, path_length);
return syscall(SC_watch_file, user_path.data(), user_path.size());
}
}