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-rw-r--r--Kernel/Bus/USB/UHCI/UHCIController.cpp6
-rw-r--r--Kernel/FileSystem/Plan9FileSystem.cpp5
-rw-r--r--Kernel/Net/NetworkTask.cpp5
-rw-r--r--Kernel/Process.cpp13
-rw-r--r--Kernel/Process.h12
-rw-r--r--Kernel/Scheduler.cpp2
-rw-r--r--Kernel/Syscalls/execve.cpp6
-rw-r--r--Kernel/Syscalls/fork.cpp3
-rw-r--r--Kernel/Syscalls/process.cpp7
-rw-r--r--Kernel/Syscalls/thread.cpp2
-rw-r--r--Kernel/Tasks/FinalizerTask.cpp2
-rw-r--r--Kernel/Tasks/SyncTask.cpp2
-rw-r--r--Kernel/WorkQueue.cpp7
-rw-r--r--Kernel/WorkQueue.h4
-rw-r--r--Kernel/init.cpp2
15 files changed, 46 insertions, 32 deletions
diff --git a/Kernel/Bus/USB/UHCI/UHCIController.cpp b/Kernel/Bus/USB/UHCI/UHCIController.cpp
index 9f8aa6a5e6..532925cdd0 100644
--- a/Kernel/Bus/USB/UHCI/UHCIController.cpp
+++ b/Kernel/Bus/USB/UHCI/UHCIController.cpp
@@ -472,7 +472,11 @@ void UHCIController::spawn_port_proc()
{
RefPtr<Thread> usb_hotplug_thread;
- Process::create_kernel_process(usb_hotplug_thread, "UHCIHotplug", [&] {
+ auto process_name = KString::try_create("UHCI hotplug");
+ if (process_name.is_error())
+ TODO();
+
+ Process::create_kernel_process(usb_hotplug_thread, process_name.release_value(), [&] {
for (;;) {
if (m_root_hub)
m_root_hub->check_for_port_updates();
diff --git a/Kernel/FileSystem/Plan9FileSystem.cpp b/Kernel/FileSystem/Plan9FileSystem.cpp
index 40e5f47936..4f27c1cf28 100644
--- a/Kernel/FileSystem/Plan9FileSystem.cpp
+++ b/Kernel/FileSystem/Plan9FileSystem.cpp
@@ -655,7 +655,10 @@ void Plan9FS::ensure_thread()
{
SpinlockLocker lock(m_thread_lock);
if (!m_thread_running.exchange(true, AK::MemoryOrder::memory_order_acq_rel)) {
- Process::create_kernel_process(m_thread, "Plan9FS", [&]() {
+ auto process_name = KString::try_create("Plan9FS");
+ if (process_name.is_error())
+ TODO();
+ Process::create_kernel_process(m_thread, process_name.release_value(), [&]() {
thread_main();
m_thread_running.store(false, AK::MemoryOrder::memory_order_release);
});
diff --git a/Kernel/Net/NetworkTask.cpp b/Kernel/Net/NetworkTask.cpp
index 42b68f72de..66c2d8785b 100644
--- a/Kernel/Net/NetworkTask.cpp
+++ b/Kernel/Net/NetworkTask.cpp
@@ -43,7 +43,10 @@ static HashTable<RefPtr<TCPSocket>>* delayed_ack_sockets;
void NetworkTask::spawn()
{
RefPtr<Thread> thread;
- Process::create_kernel_process(thread, "NetworkTask", NetworkTask_main, nullptr);
+ auto name = KString::try_create("NetworkTask");
+ if (name.is_error())
+ TODO();
+ Process::create_kernel_process(thread, name.release_value(), NetworkTask_main, nullptr);
network_task = thread;
}
diff --git a/Kernel/Process.cpp b/Kernel/Process.cpp
index e1c75f3ad2..537ea28624 100644
--- a/Kernel/Process.cpp
+++ b/Kernel/Process.cpp
@@ -145,12 +145,13 @@ void Process::register_new(Process& process)
KResultOr<NonnullRefPtr<Process>> Process::try_create_user_process(RefPtr<Thread>& first_thread, String const& path, UserID uid, GroupID gid, Vector<String> arguments, Vector<String> environment, TTY* tty)
{
- auto parts = path.split('/');
+ auto parts = path.split_view('/');
if (arguments.is_empty()) {
arguments.append(parts.last());
}
- auto process = TRY(Process::try_create(first_thread, parts.take_last(), uid, gid, ProcessID(0), false, VirtualFileSystem::the().root_custody(), nullptr, tty));
+ auto name = TRY(KString::try_create(parts.last()));
+ auto process = TRY(Process::try_create(first_thread, move(name), uid, gid, ProcessID(0), false, VirtualFileSystem::the().root_custody(), nullptr, tty));
if (!process->m_fds.try_resize(process->m_fds.max_open())) {
first_thread = nullptr;
@@ -180,7 +181,7 @@ KResultOr<NonnullRefPtr<Process>> Process::try_create_user_process(RefPtr<Thread
return process;
}
-RefPtr<Process> Process::create_kernel_process(RefPtr<Thread>& first_thread, String&& name, void (*entry)(void*), void* entry_data, u32 affinity, RegisterProcess do_register)
+RefPtr<Process> Process::create_kernel_process(RefPtr<Thread>& first_thread, NonnullOwnPtr<KString> name, void (*entry)(void*), void* entry_data, u32 affinity, RegisterProcess do_register)
{
auto process_or_error = Process::try_create(first_thread, move(name), UserID(0), GroupID(0), ProcessID(0), true);
if (process_or_error.is_error())
@@ -217,15 +218,15 @@ void Process::unprotect_data()
});
}
-KResultOr<NonnullRefPtr<Process>> Process::try_create(RefPtr<Thread>& first_thread, String const& name, UserID uid, GroupID gid, ProcessID ppid, bool is_kernel_process, RefPtr<Custody> cwd, RefPtr<Custody> executable, TTY* tty, Process* fork_parent)
+KResultOr<NonnullRefPtr<Process>> Process::try_create(RefPtr<Thread>& first_thread, NonnullOwnPtr<KString> name, UserID uid, GroupID gid, ProcessID ppid, bool is_kernel_process, RefPtr<Custody> cwd, RefPtr<Custody> executable, TTY* tty, Process* fork_parent)
{
auto space = TRY(Memory::AddressSpace::try_create(fork_parent ? &fork_parent->address_space() : nullptr));
- auto process = TRY(adopt_nonnull_ref_or_enomem(new (nothrow) Process(name, uid, gid, ppid, is_kernel_process, move(cwd), move(executable), tty)));
+ auto process = TRY(adopt_nonnull_ref_or_enomem(new (nothrow) Process(move(name), uid, gid, ppid, is_kernel_process, move(cwd), move(executable), tty)));
TRY(process->attach_resources(move(space), first_thread, fork_parent));
return process;
}
-Process::Process(const String& name, UserID uid, GroupID gid, ProcessID ppid, bool is_kernel_process, RefPtr<Custody> cwd, RefPtr<Custody> executable, TTY* tty)
+Process::Process(NonnullOwnPtr<KString> name, UserID uid, GroupID gid, ProcessID ppid, bool is_kernel_process, RefPtr<Custody> cwd, RefPtr<Custody> executable, TTY* tty)
: m_name(move(name))
, m_is_kernel_process(is_kernel_process)
, m_executable(move(executable))
diff --git a/Kernel/Process.h b/Kernel/Process.h
index 5aed32eeb3..93a0f9674e 100644
--- a/Kernel/Process.h
+++ b/Kernel/Process.h
@@ -172,13 +172,13 @@ public:
};
template<typename EntryFunction>
- static RefPtr<Process> create_kernel_process(RefPtr<Thread>& first_thread, String&& name, EntryFunction entry, u32 affinity = THREAD_AFFINITY_DEFAULT, RegisterProcess do_register = RegisterProcess::Yes)
+ static RefPtr<Process> create_kernel_process(RefPtr<Thread>& first_thread, NonnullOwnPtr<KString> name, EntryFunction entry, u32 affinity = THREAD_AFFINITY_DEFAULT, RegisterProcess do_register = RegisterProcess::Yes)
{
auto* entry_func = new EntryFunction(move(entry));
return create_kernel_process(first_thread, move(name), &Process::kernel_process_trampoline<EntryFunction>, entry_func, affinity, do_register);
}
- static RefPtr<Process> create_kernel_process(RefPtr<Thread>& first_thread, String&& name, void (*entry)(void*), void* entry_data = nullptr, u32 affinity = THREAD_AFFINITY_DEFAULT, RegisterProcess do_register = RegisterProcess::Yes);
+ static RefPtr<Process> create_kernel_process(RefPtr<Thread>& first_thread, NonnullOwnPtr<KString> name, void (*entry)(void*), void* entry_data = nullptr, u32 affinity = THREAD_AFFINITY_DEFAULT, RegisterProcess do_register = RegisterProcess::Yes);
static KResultOr<NonnullRefPtr<Process>> try_create_user_process(RefPtr<Thread>& first_thread, String const& path, UserID, GroupID, Vector<String> arguments, Vector<String> environment, TTY*);
static void register_new(Process&);
@@ -207,7 +207,7 @@ public:
static RefPtr<Process> from_pid(ProcessID);
static SessionID get_sid_from_pgid(ProcessGroupID pgid);
- const String& name() const { return m_name; }
+ StringView name() const { return m_name->view(); }
ProcessID pid() const { return m_protected_values.pid; }
SessionID sid() const { return m_protected_values.sid; }
bool is_session_leader() const { return sid().value() == pid().value(); }
@@ -521,8 +521,8 @@ private:
bool add_thread(Thread&);
bool remove_thread(Thread&);
- Process(const String& name, UserID, GroupID, ProcessID ppid, bool is_kernel_process, RefPtr<Custody> cwd, RefPtr<Custody> executable, TTY* tty);
- static KResultOr<NonnullRefPtr<Process>> try_create(RefPtr<Thread>& first_thread, String const& name, UserID, GroupID, ProcessID ppid, bool is_kernel_process, RefPtr<Custody> cwd = nullptr, RefPtr<Custody> executable = nullptr, TTY* = nullptr, Process* fork_parent = nullptr);
+ Process(NonnullOwnPtr<KString> name, UserID, GroupID, ProcessID ppid, bool is_kernel_process, RefPtr<Custody> cwd, RefPtr<Custody> executable, TTY* tty);
+ static KResultOr<NonnullRefPtr<Process>> try_create(RefPtr<Thread>& first_thread, NonnullOwnPtr<KString> name, UserID, GroupID, ProcessID ppid, bool is_kernel_process, RefPtr<Custody> cwd = nullptr, RefPtr<Custody> executable = nullptr, TTY* = nullptr, Process* fork_parent = nullptr);
KResult attach_resources(NonnullOwnPtr<Memory::AddressSpace>&&, RefPtr<Thread>& first_thread, Process* fork_parent);
static ProcessID allocate_pid();
@@ -586,7 +586,7 @@ private:
mutable IntrusiveListNode<Process> m_list_node;
- String m_name;
+ NonnullOwnPtr<KString> m_name;
OwnPtr<Memory::AddressSpace> m_space;
diff --git a/Kernel/Scheduler.cpp b/Kernel/Scheduler.cpp
index 40110d1c7c..a17d135171 100644
--- a/Kernel/Scheduler.cpp
+++ b/Kernel/Scheduler.cpp
@@ -413,7 +413,7 @@ UNMAP_AFTER_INIT void Scheduler::initialize()
g_finalizer_wait_queue = new WaitQueue;
g_finalizer_has_work.store(false, AK::MemoryOrder::memory_order_release);
- s_colonel_process = Process::create_kernel_process(idle_thread, "colonel", idle_loop, nullptr, 1, Process::RegisterProcess::No).leak_ref();
+ s_colonel_process = Process::create_kernel_process(idle_thread, KString::must_create("colonel"), idle_loop, nullptr, 1, Process::RegisterProcess::No).leak_ref();
VERIFY(s_colonel_process);
VERIFY(idle_thread);
idle_thread->set_priority(THREAD_PRIORITY_MIN);
diff --git a/Kernel/Syscalls/execve.cpp b/Kernel/Syscalls/execve.cpp
index 5dbe3dfc5e..46cd482046 100644
--- a/Kernel/Syscalls/execve.cpp
+++ b/Kernel/Syscalls/execve.cpp
@@ -446,12 +446,12 @@ KResult Process::do_exec(NonnullRefPtr<FileDescription> main_program_description
if (!validate_stack_size(arguments, environment))
return E2BIG;
- auto parts = path.split('/');
+ auto parts = path.split_view('/');
if (parts.is_empty())
return ENOENT;
- auto new_process_name = parts.take_last();
- auto new_main_thread_name = TRY(KString::try_create(new_process_name));
+ auto new_process_name = TRY(KString::try_create(parts.last()));
+ auto new_main_thread_name = TRY(new_process_name->try_clone());
auto main_program_metadata = main_program_description->metadata();
diff --git a/Kernel/Syscalls/fork.cpp b/Kernel/Syscalls/fork.cpp
index 0483325d67..a21a2e42b6 100644
--- a/Kernel/Syscalls/fork.cpp
+++ b/Kernel/Syscalls/fork.cpp
@@ -18,7 +18,8 @@ KResultOr<FlatPtr> Process::sys$fork(RegisterState& regs)
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
REQUIRE_PROMISE(proc);
RefPtr<Thread> child_first_thread;
- auto child = TRY(Process::try_create(child_first_thread, m_name, uid(), gid(), pid(), m_is_kernel_process, m_cwd, m_executable, m_tty, this));
+ auto child_name = TRY(m_name->try_clone());
+ auto child = TRY(Process::try_create(child_first_thread, move(child_name), uid(), gid(), pid(), m_is_kernel_process, m_cwd, m_executable, m_tty, this));
child->m_veil_state = m_veil_state;
child->m_unveiled_paths = m_unveiled_paths.deep_copy();
diff --git a/Kernel/Syscalls/process.cpp b/Kernel/Syscalls/process.cpp
index ea0a660a31..f2301b4129 100644
--- a/Kernel/Syscalls/process.cpp
+++ b/Kernel/Syscalls/process.cpp
@@ -27,10 +27,10 @@ KResultOr<FlatPtr> Process::sys$get_process_name(Userspace<char*> buffer, size_t
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
REQUIRE_PROMISE(stdio);
- if (m_name.length() + 1 > buffer_size)
+ if (m_name->length() + 1 > buffer_size)
return ENAMETOOLONG;
- return copy_to_user(buffer, m_name.characters(), m_name.length() + 1);
+ return copy_to_user(buffer, m_name->characters(), m_name->length() + 1);
}
KResultOr<FlatPtr> Process::sys$set_process_name(Userspace<const char*> user_name, size_t user_name_length)
@@ -43,8 +43,7 @@ KResultOr<FlatPtr> Process::sys$set_process_name(Userspace<const char*> user_nam
// Empty and whitespace-only names only exist to confuse users.
if (name->view().is_whitespace())
return EINVAL;
- // FIXME: There's a String copy here. Process::m_name should be a KString.
- m_name = name->view();
+ m_name = move(name);
return 0;
}
diff --git a/Kernel/Syscalls/thread.cpp b/Kernel/Syscalls/thread.cpp
index e110b5c44f..baf8be9e50 100644
--- a/Kernel/Syscalls/thread.cpp
+++ b/Kernel/Syscalls/thread.cpp
@@ -49,7 +49,7 @@ KResultOr<FlatPtr> Process::sys$create_thread(void* (*entry)(void*), Userspace<c
// We know this thread is not the main_thread,
// So give it a unique name until the user calls $set_thread_name on it
// length + 4 to give space for our extra junk at the end
- StringBuilder builder(m_name.length() + 4);
+ StringBuilder builder(m_name->length() + 4);
thread->set_name(move(new_thread_name));
if (!is_thread_joinable)
diff --git a/Kernel/Tasks/FinalizerTask.cpp b/Kernel/Tasks/FinalizerTask.cpp
index ffdfb09ef3..a8283f4826 100644
--- a/Kernel/Tasks/FinalizerTask.cpp
+++ b/Kernel/Tasks/FinalizerTask.cpp
@@ -24,7 +24,7 @@ static void finalizer_task(void*)
UNMAP_AFTER_INIT void FinalizerTask::spawn()
{
RefPtr<Thread> finalizer_thread;
- auto finalizer_process = Process::create_kernel_process(finalizer_thread, "FinalizerTask", finalizer_task, nullptr);
+ auto finalizer_process = Process::create_kernel_process(finalizer_thread, KString::must_create("FinalizerTask"), finalizer_task, nullptr);
VERIFY(finalizer_process);
g_finalizer = finalizer_thread;
}
diff --git a/Kernel/Tasks/SyncTask.cpp b/Kernel/Tasks/SyncTask.cpp
index a5b44aa6f7..c6e544afa8 100644
--- a/Kernel/Tasks/SyncTask.cpp
+++ b/Kernel/Tasks/SyncTask.cpp
@@ -15,7 +15,7 @@ namespace Kernel {
UNMAP_AFTER_INIT void SyncTask::spawn()
{
RefPtr<Thread> syncd_thread;
- Process::create_kernel_process(syncd_thread, "SyncTask", [] {
+ Process::create_kernel_process(syncd_thread, KString::must_create("SyncTask"), [] {
dbgln("SyncTask is running");
for (;;) {
VirtualFileSystem::sync();
diff --git a/Kernel/WorkQueue.cpp b/Kernel/WorkQueue.cpp
index 4fa8c735a0..e3cea7b22b 100644
--- a/Kernel/WorkQueue.cpp
+++ b/Kernel/WorkQueue.cpp
@@ -19,10 +19,13 @@ UNMAP_AFTER_INIT void WorkQueue::initialize()
g_io_work = new WorkQueue("IO WorkQueue");
}
-UNMAP_AFTER_INIT WorkQueue::WorkQueue(const char* name)
+UNMAP_AFTER_INIT WorkQueue::WorkQueue(StringView name)
{
RefPtr<Thread> thread;
- Process::create_kernel_process(thread, name, [this] {
+ auto name_kstring = KString::try_create(name);
+ if (name_kstring.is_error())
+ TODO();
+ Process::create_kernel_process(thread, name_kstring.release_value(), [this] {
for (;;) {
WorkItem* item;
bool have_more;
diff --git a/Kernel/WorkQueue.h b/Kernel/WorkQueue.h
index 21e45f8f49..90756998d6 100644
--- a/Kernel/WorkQueue.h
+++ b/Kernel/WorkQueue.h
@@ -20,8 +20,6 @@ class WorkQueue {
public:
static void initialize();
- WorkQueue(const char*);
-
void queue(void (*function)(void*), void* data = nullptr, void (*free_data)(void*) = nullptr)
{
auto* item = new WorkItem; // TODO: use a pool
@@ -42,6 +40,8 @@ public:
}
private:
+ explicit WorkQueue(StringView);
+
struct WorkItem {
IntrusiveListNode<WorkItem> m_node;
Function<void()> function;
diff --git a/Kernel/init.cpp b/Kernel/init.cpp
index b4d7821fb3..abc57179b0 100644
--- a/Kernel/init.cpp
+++ b/Kernel/init.cpp
@@ -215,7 +215,7 @@ extern "C" [[noreturn]] UNMAP_AFTER_INIT void init(BootInfo const& boot_info)
{
RefPtr<Thread> init_stage2_thread;
- Process::create_kernel_process(init_stage2_thread, "init_stage2", init_stage2, nullptr, THREAD_AFFINITY_DEFAULT, Process::RegisterProcess::No);
+ Process::create_kernel_process(init_stage2_thread, KString::must_create("init_stage2"), init_stage2, nullptr, THREAD_AFFINITY_DEFAULT, Process::RegisterProcess::No);
// We need to make sure we drop the reference for init_stage2_thread
// before calling into Scheduler::start, otherwise we will have a
// dangling Thread that never gets cleaned up