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Kernel: Don't copy a Vector<FileDescriptionAndFlags>

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Instead of copying a Vector everytime we need to enumerate a Process'
file descriptions, we can just temporarily lock so it won't change.
This commit is contained in:
Liav A 2021-06-22 21:22:17 +03:00 • committed by Andreas Kling
parent 12b6e69150
commit 7c87891c06
Notes: sideshowbarker 2024-07-18 11:16:32 +09:00
28 changed files with 198 additions and 128 deletions
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2
Kernel/Syscalls/get_dir_entries.cpp
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@ -14,7 +14,7 @@ KResultOr<FlatPtr> Process::sys$get_dir_entries(int fd, Userspace<void*> user_bu
REQUIRE_PROMISE(stdio);
if (user_size > NumericLimits<ssize_t>::max())
return EINVAL;
auto description = file_description(fd);
auto description = fds().file_description(fd);
if (!description)
return EBADF;
auto buffer = UserOrKernelBuffer::for_user_buffer(user_buffer, static_cast<size_t>(user_size));