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Kernel: Make all syscall functions return KResultOr<T>

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This makes it a lot easier to return errors since we no longer have to
worry about negating EFOO errors and can just return them flat.
This commit is contained in:
Andreas Kling 2021-03-01 13:49:16 +01:00
parent 9af1e1a3bf
commit ac71775de5
70 changed files with 747 additions and 742 deletions
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6
Kernel/Syscalls/waitid.cpp
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@ -38,13 +38,13 @@ KResultOr<siginfo_t> Process::do_waitid(idtype_t idtype, int id, int options)
return result;
}
pid_t Process::sys$waitid(Userspace<const Syscall::SC_waitid_params*> user_params)
KResultOr<pid_t> Process::sys$waitid(Userspace<const Syscall::SC_waitid_params*> user_params)
{
REQUIRE_PROMISE(proc);
Syscall::SC_waitid_params params;
if (!copy_from_user(&params, user_params))
return -EFAULT;
return EFAULT;
switch (params.idtype) {
case P_ALL:
@ -62,7 +62,7 @@ pid_t Process::sys$waitid(Userspace<const Syscall::SC_waitid_params*> user_param
return siginfo_or_error.error();
if (!copy_to_user(params.infop, &siginfo_or_error.value()))
return -EFAULT;
return EFAULT;
return 0;
}