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Kernel/LibC: implement chmod syscall + libc wrapper

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Bananymous
2023-10-25 02:35:37 +03:00
parent 657f95d3f0
commit 627b8cc140
11 changed files with 59 additions and 2 deletions
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1
kernel/include/kernel/FS/Ext2/Inode.h
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@@ -37,6 +37,7 @@ namespace Kernel
virtual BAN::ErrorOr<size_t> read_impl(off_t, BAN::ByteSpan) override;
virtual BAN::ErrorOr<size_t> write_impl(off_t, BAN::ConstByteSpan) override;
virtual BAN::ErrorOr<void> truncate_impl(size_t) override;
virtual BAN::ErrorOr<void> chmod_impl(mode_t) override;
private:
uint32_t fs_block_of_data_block_index(uint32_t data_block_index);

2
kernel/include/kernel/FS/Inode.h
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@@ -99,6 +99,7 @@ namespace Kernel
BAN::ErrorOr<size_t> read(off_t, BAN::ByteSpan buffer);
BAN::ErrorOr<size_t> write(off_t, BAN::ConstByteSpan buffer);
BAN::ErrorOr<void> truncate(size_t);
BAN::ErrorOr<void> chmod(mode_t);
bool has_data() const;
protected:
@@ -115,6 +116,7 @@ namespace Kernel
virtual BAN::ErrorOr<size_t> read_impl(off_t, BAN::ByteSpan) { return BAN::Error::from_errno(ENOTSUP); }
virtual BAN::ErrorOr<size_t> write_impl(off_t, BAN::ConstByteSpan) { return BAN::Error::from_errno(ENOTSUP); }
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 bool has_data_impl() const { dwarnln("nonblock not supported"); return true; }
private:

2
kernel/include/kernel/FS/RamFS/Inode.h
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@@ -56,6 +56,8 @@ namespace Kernel
ASSERT((inode_info.mode & Inode::Mode::TYPE_MASK) == 0);
}
virtual BAN::ErrorOr<void> chmod_impl(mode_t) override;
protected:
RamFileSystem& m_fs;
FullInodeInfo m_inode_info;

2
kernel/include/kernel/Process.h
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@@ -97,6 +97,8 @@ namespace Kernel
BAN::ErrorOr<long> sys_read(int fd, void* buffer, size_t count);
BAN::ErrorOr<long> sys_write(int fd, const void* buffer, size_t count);
BAN::ErrorOr<long> sys_chmod(const char*, mode_t);
BAN::ErrorOr<long> sys_pipe(int fildes[2]);
BAN::ErrorOr<long> sys_dup(int fildes);
BAN::ErrorOr<long> sys_dup2(int fildes, int fildes2);