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

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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
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9
Kernel/Syscalls/sched.cpp
View file

@ -8,7 +8,7 @@
namespace Kernel {
KResultOr<FlatPtr> Process::sys$yield()
ErrorOr<FlatPtr> Process::sys$yield()
{
VERIFY_NO_PROCESS_BIG_LOCK(this);
REQUIRE_PROMISE(stdio);
@ -16,7 +16,7 @@ KResultOr<FlatPtr> Process::sys$yield()
return 0;
}
KResultOr<FlatPtr> Process::sys$sched_setparam(int pid, Userspace<const struct sched_param*> user_param)
ErrorOr<FlatPtr> Process::sys$sched_setparam(int pid, Userspace<const struct sched_param*> user_param)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
REQUIRE_PROMISE(proc);
@ -41,7 +41,7 @@ KResultOr<FlatPtr> Process::sys$sched_setparam(int pid, Userspace<const struct s
return 0;
}
KResultOr<FlatPtr> Process::sys$sched_getparam(pid_t pid, Userspace<struct sched_param*> user_param)
ErrorOr<FlatPtr> Process::sys$sched_getparam(pid_t pid, Userspace<struct sched_param*> user_param)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
REQUIRE_PROMISE(proc);
@ -68,7 +68,8 @@ KResultOr<FlatPtr> Process::sys$sched_getparam(pid_t pid, Userspace<struct sched
priority
};
return copy_to_user(user_param, &param);
TRY(copy_to_user(user_param, &param));
return 0;
}
}