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Kernel/LibC: Implement super basic select

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This does not really even block but it works... :D
This commit is contained in:
Bananymous
2024-02-12 17:26:33 +02:00
parent f50b4be162
commit 3fc1edede0
34 changed files with 285 additions and 41 deletions
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12
kernel/include/kernel/FS/Inode.h
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@@ -113,7 +113,11 @@ namespace Kernel
BAN::ErrorOr<void> truncate(size_t);
BAN::ErrorOr<void> chmod(mode_t);
BAN::ErrorOr<void> chown(uid_t, gid_t);
bool has_data() const;
// Select/Non blocking API
bool can_read() const;
bool can_write() const;
bool has_error() const;
BAN::ErrorOr<long> ioctl(int request, void* arg);
@@ -144,7 +148,11 @@ namespace Kernel
virtual BAN::ErrorOr<void> truncate_impl(size_t) { return BAN::Error::from_errno(ENOTSUP); }
virtual BAN::ErrorOr<void> chmod_impl(mode_t) { return BAN::Error::from_errno(ENOTSUP); }
virtual BAN::ErrorOr<void> chown_impl(uid_t, gid_t) { return BAN::Error::from_errno(ENOTSUP); }
virtual bool has_data_impl() const { dwarnln("nonblock not supported"); return true; }
// Select/Non blocking API
virtual bool can_read_impl() const = 0;
virtual bool can_write_impl() const = 0;
virtual bool has_error_impl() const = 0;
virtual BAN::ErrorOr<long> ioctl_impl(int request, void* arg) { return BAN::Error::from_errno(ENOTSUP); }