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| author | Andreas Kling <kling@serenityos.org> | 2022-03-07 17:57:55 +0100 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2022-03-08 00:19:49 +0100 |
| commit | 7597bef771274d3a02510d08a332c1a7a647b2dd (patch) | |
| tree | d42c989bc08346ee2bcf734211b20552a20d93b7 | |
| parent | f630d0f095552196199c7334973f57dd7d44f352 (diff) | |
| download | serenity-7597bef771274d3a02510d08a332c1a7a647b2dd.zip | |
Kernel: Mark sys$getcwd() as not needing the big lock
This syscall doesn't access any data that was implicitly protected by
the big lock.
| -rw-r--r-- | Kernel/API/Syscall.h | 2 | ||||
| -rw-r--r-- | Kernel/Syscalls/chdir.cpp | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/Kernel/API/Syscall.h b/Kernel/API/Syscall.h index fc59cbe901..338f43c247 100644 --- a/Kernel/API/Syscall.h +++ b/Kernel/API/Syscall.h @@ -85,7 +85,7 @@ enum class NeedsBigProcessLock { S(get_process_name, NeedsBigProcessLock::Yes) \ S(get_stack_bounds, NeedsBigProcessLock::No) \ S(get_thread_name, NeedsBigProcessLock::Yes) \ - S(getcwd, NeedsBigProcessLock::Yes) \ + S(getcwd, NeedsBigProcessLock::No) \ S(getegid, NeedsBigProcessLock::Yes) \ S(geteuid, NeedsBigProcessLock::Yes) \ S(getgid, NeedsBigProcessLock::Yes) \ diff --git a/Kernel/Syscalls/chdir.cpp b/Kernel/Syscalls/chdir.cpp index c60183a447..e109749c6a 100644 --- a/Kernel/Syscalls/chdir.cpp +++ b/Kernel/Syscalls/chdir.cpp @@ -38,7 +38,7 @@ ErrorOr<FlatPtr> Process::sys$fchdir(int fd) ErrorOr<FlatPtr> Process::sys$getcwd(Userspace<char*> buffer, size_t size) { - VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this); + VERIFY_NO_PROCESS_BIG_LOCK(this); TRY(require_promise(Pledge::rpath)); if (size > NumericLimits<ssize_t>::max()) |