Function SysGetFileStatusFlags

Kernel/src/arch/x86_64/syscalls.cpp:2042–2052

//////////////////////// \brief SysGetFileStatusFlags(fd) Get a file handle's mode/status flags \param fd (int) file descriptor \return flags on success, negative error code on failure ////////////////////////

/// \return flags on success, negative error code on failure
/////////////////////////////
long SysGetFileStatusFlags(regs64_t* r){
	int fd = static_cast<int>(SC_ARG0(r));
	fs_fd_t* handle;

	process_t* currentProcess = Scheduler::GetCurrentProcess();
	if(static_cast<unsigned>(fd) > currentProcess->fileDescriptors.get_length() || !(handle = currentProcess->fileDescriptors[fd])){
		return -EBADF;
	}

	return handle->mode;
}

/////////////////////////////
/// \brief SysSetFileStatusFlags(fd, flags) Set a file handle's mode/status flags