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Kernel: Replace KResult and KResultOr<T> with Error and ErrorOr<T>

We now use AK::Error and AK::ErrorOr<T> in both kernel and userspace!
This was a slightly tedious refactoring that took a long time, so it's
not unlikely that some bugs crept in.

Nevertheless, it does pass basic functionality testing, and it's just
real nice to finally see the same pattern in all contexts. :^)
This commit is contained in:
Andreas Kling 2021-11-08 00:51:39 +01:00
parent 7ee10c6926
commit 79fa9765ca
262 changed files with 2415 additions and 2600 deletions

View file

@ -8,55 +8,55 @@
namespace Kernel {
KResultOr<FlatPtr> Process::sys$getuid()
ErrorOr<FlatPtr> Process::sys$getuid()
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
REQUIRE_PROMISE(stdio);
return uid().value();
}
KResultOr<FlatPtr> Process::sys$getgid()
ErrorOr<FlatPtr> Process::sys$getgid()
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
REQUIRE_PROMISE(stdio);
return gid().value();
}
KResultOr<FlatPtr> Process::sys$geteuid()
ErrorOr<FlatPtr> Process::sys$geteuid()
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
REQUIRE_PROMISE(stdio);
return euid().value();
}
KResultOr<FlatPtr> Process::sys$getegid()
ErrorOr<FlatPtr> Process::sys$getegid()
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
REQUIRE_PROMISE(stdio);
return egid().value();
}
KResultOr<FlatPtr> Process::sys$getresuid(Userspace<UserID*> ruid, Userspace<UserID*> euid, Userspace<UserID*> suid)
ErrorOr<FlatPtr> Process::sys$getresuid(Userspace<UserID*> ruid, Userspace<UserID*> euid, Userspace<UserID*> suid)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
REQUIRE_PROMISE(stdio);
TRY(copy_to_user(ruid, &m_protected_values.uid));
TRY(copy_to_user(euid, &m_protected_values.euid));
TRY(copy_to_user(suid, &m_protected_values.suid));
return KSuccess;
return 0;
}
KResultOr<FlatPtr> Process::sys$getresgid(Userspace<GroupID*> rgid, Userspace<GroupID*> egid, Userspace<GroupID*> sgid)
ErrorOr<FlatPtr> Process::sys$getresgid(Userspace<GroupID*> rgid, Userspace<GroupID*> egid, Userspace<GroupID*> sgid)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
REQUIRE_PROMISE(stdio);
TRY(copy_to_user(rgid, &m_protected_values.gid));
TRY(copy_to_user(egid, &m_protected_values.egid));
TRY(copy_to_user(sgid, &m_protected_values.sgid));
return KSuccess;
return 0;
}
KResultOr<FlatPtr> Process::sys$getgroups(size_t count, Userspace<gid_t*> user_gids)
ErrorOr<FlatPtr> Process::sys$getgroups(size_t count, Userspace<gid_t*> user_gids)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
REQUIRE_PROMISE(stdio);
@ -64,7 +64,8 @@ KResultOr<FlatPtr> Process::sys$getgroups(size_t count, Userspace<gid_t*> user_g
return extra_gids().size();
if (count != extra_gids().size())
return EINVAL;
return copy_to_user(user_gids, extra_gids().data(), sizeof(gid_t) * count);
TRY(copy_to_user(user_gids, extra_gids().data(), sizeof(gid_t) * count));
return 0;
}
}