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Kernel: Switch process file descriptor table from spinlock to mutex

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There's no reason for this to use a spinlock. Instead, let's allow
threads to block if someone else is using the descriptor table.
This commit is contained in:
Andreas Kling 2022-01-29 01:29:07 +01:00
parent 8ebec2938c
commit b56646e293
16 changed files with 37 additions and 37 deletions
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2
Kernel/Syscalls/read.cpp
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@ -14,7 +14,7 @@ using BlockFlags = Thread::FileBlocker::BlockFlags;
static ErrorOr<NonnullRefPtr<OpenFileDescription>> open_readable_file_description(auto& fds, int fd)
{
auto description = TRY(fds.with([&](auto& fds) { return fds.open_file_description(fd); }));
auto description = TRY(fds.with_shared([&](auto& fds) { return fds.open_file_description(fd); }));
if (!description->is_readable())
return EBADF;
if (description->is_directory())