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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. :^)
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7ee10c6926
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262 changed files with 2415 additions and 2600 deletions
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@ -9,31 +9,32 @@
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namespace Kernel {
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KResultOr<FlatPtr> Process::sys$getpid()
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ErrorOr<FlatPtr> Process::sys$getpid()
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{
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VERIFY_NO_PROCESS_BIG_LOCK(this)
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REQUIRE_PROMISE(stdio);
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return pid().value();
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}
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KResultOr<FlatPtr> Process::sys$getppid()
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ErrorOr<FlatPtr> Process::sys$getppid()
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{
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
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REQUIRE_PROMISE(stdio);
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return m_protected_values.ppid.value();
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}
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KResultOr<FlatPtr> Process::sys$get_process_name(Userspace<char*> buffer, size_t buffer_size)
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ErrorOr<FlatPtr> Process::sys$get_process_name(Userspace<char*> buffer, size_t buffer_size)
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{
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
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REQUIRE_PROMISE(stdio);
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if (m_name->length() + 1 > buffer_size)
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return ENAMETOOLONG;
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return copy_to_user(buffer, m_name->characters(), m_name->length() + 1);
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TRY(copy_to_user(buffer, m_name->characters(), m_name->length() + 1));
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return 0;
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}
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KResultOr<FlatPtr> Process::sys$set_process_name(Userspace<const char*> user_name, size_t user_name_length)
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ErrorOr<FlatPtr> Process::sys$set_process_name(Userspace<const char*> user_name, size_t user_name_length)
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{
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
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REQUIRE_PROMISE(proc);
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@ -47,7 +48,7 @@ KResultOr<FlatPtr> Process::sys$set_process_name(Userspace<const char*> user_nam
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return 0;
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}
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KResultOr<FlatPtr> Process::sys$set_coredump_metadata(Userspace<const Syscall::SC_set_coredump_metadata_params*> user_params)
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ErrorOr<FlatPtr> Process::sys$set_coredump_metadata(Userspace<const Syscall::SC_set_coredump_metadata_params*> user_params)
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{
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VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
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auto params = TRY(copy_typed_from_user(user_params));
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@ -58,7 +59,8 @@ KResultOr<FlatPtr> Process::sys$set_coredump_metadata(Userspace<const Syscall::S
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return EINVAL;
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auto key = TRY(try_copy_kstring_from_user(params.key));
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auto value = TRY(try_copy_kstring_from_user(params.value));
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return set_coredump_property(move(key), move(value));
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TRY(set_coredump_property(move(key), move(value)));
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return 0;
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}
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}
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