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Kernel: Convert process file descriptor table to a SpinlockProtected

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Instead of manually locking in the various member functions of
Process::OpenFileDescriptions, simply wrap it in a SpinlockProtected.
This commit is contained in:
Andreas Kling 2022-01-29 01:22:28 +01:00
parent 93e90e16c3
commit 8ebec2938c
30 changed files with 257 additions and 190 deletions
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4
Kernel/Syscalls/stat.cpp
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@ -15,7 +15,7 @@ ErrorOr<FlatPtr> Process::sys$fstat(int fd, Userspace<stat*> user_statbuf)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
TRY(require_promise(Pledge::stdio));
auto description = TRY(fds().open_file_description(fd));
auto description = TRY(open_file_description(fd));
auto buffer = TRY(description->stat());
TRY(copy_to_user(user_statbuf, &buffer));
return 0;
@ -33,7 +33,7 @@ ErrorOr<FlatPtr> Process::sys$stat(Userspace<const Syscall::SC_stat_params*> use
if (params.dirfd == AT_FDCWD) {
base = current_directory();
} else {
auto base_description = TRY(fds().open_file_description(params.dirfd));
auto base_description = TRY(open_file_description(params.dirfd));
if (!base_description->is_directory())
return ENOTDIR;
if (!base_description->custody())