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Kernel: Use TRY() in some Process functions

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This commit is contained in:
Andreas Kling 2021-09-05 14:01:46 +02:00
parent 81d3f823f7
commit f30eae7e7a
1 changed files with 2 additions and 10 deletions
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12
Kernel/Process.cpp
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@ -150,22 +150,14 @@ KResultOr<NonnullRefPtr<Process>> Process::try_create_user_process(RefPtr<Thread
arguments.append(parts.last()); arguments.append(parts.last());
} }
auto process_or_error = Process::try_create(first_thread, parts.take_last(), uid, gid, ProcessID(0), false, VirtualFileSystem::the().root_custody(), nullptr, tty); auto process = TRY(Process::try_create(first_thread, parts.take_last(), uid, gid, ProcessID(0), false, VirtualFileSystem::the().root_custody(), nullptr, tty));
if (process_or_error.is_error())
return process_or_error.error();
auto process = process_or_error.release_value();
if (!process->m_fds.try_resize(process->m_fds.max_open())) { if (!process->m_fds.try_resize(process->m_fds.max_open())) {
first_thread = nullptr; first_thread = nullptr;
return ENOMEM; return ENOMEM;
} }
auto& device_to_use_as_tty = tty ? (CharacterDevice&)*tty : NullDevice::the(); auto& device_to_use_as_tty = tty ? (CharacterDevice&)*tty : NullDevice::the();
auto description_or_error = device_to_use_as_tty.open(O_RDWR); auto description = TRY(device_to_use_as_tty.open(O_RDWR));
if (description_or_error.is_error())
return description_or_error.error();
auto& description = description_or_error.value();
auto setup_description = [&process, &description](int fd) { auto setup_description = [&process, &description](int fd) {
process->m_fds.m_fds_metadatas[fd].allocate(); process->m_fds.m_fds_metadatas[fd].allocate();
process->m_fds[fd].set(*description); process->m_fds[fd].set(*description);