jcs.org
Serenity Operating System
Kernel: Make sys$utime() and sys$utimensat() not take the big lock
+4
-4
+2
-2
Kernel/API/Syscall.h
+2
-2
Kernel/API/Syscall.h
···
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S(uname, NeedsBigProcessLock::No) \
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S(unlink, NeedsBigProcessLock::No) \
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S(unveil, NeedsBigProcessLock::No) \
190
-
S(utime, NeedsBigProcessLock::Yes) \
191
-
S(utimensat, NeedsBigProcessLock::Yes) \
190
+
S(utime, NeedsBigProcessLock::No) \
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+
S(utimensat, NeedsBigProcessLock::No) \
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S(waitid, NeedsBigProcessLock::Yes) \
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S(write, NeedsBigProcessLock::Yes) \
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S(writev, NeedsBigProcessLock::Yes) \
+1
-1
Kernel/Syscalls/utime.cpp
+1
-1
Kernel/Syscalls/utime.cpp
···
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12
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13
ErrorOr<FlatPtr> Process::sys$utime(Userspace<char const*> user_path, size_t path_length, Userspace<const struct utimbuf*> user_buf)
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{
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-
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
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+
VERIFY_NO_PROCESS_BIG_LOCK(this);
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TRY(require_promise(Pledge::fattr));
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auto path = TRY(get_syscall_path_argument(user_path, path_length));
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utimbuf buf;
+1
-1
Kernel/Syscalls/utimensat.cpp
+1
-1
Kernel/Syscalls/utimensat.cpp
···
14
14
15
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ErrorOr<FlatPtr> Process::sys$utimensat(Userspace<Syscall::SC_utimensat_params const*> user_params)
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{
17
-
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this);
17
+
VERIFY_NO_PROCESS_BIG_LOCK(this);
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TRY(require_promise(Pledge::fattr));
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auto params = TRY(copy_typed_from_user(user_params));