Esempio n. 1
0
/*
 * Careful here! We test whether the file pointer is NULL before
 * releasing the fd. This ensures that one clone task can't release
 * an fd while another clone is opening it.
 */
SYSCALL_DEFINE1(close, unsigned int, fd)
{
	int retval = __close_fd(current->files, fd);

	/* can't restart close syscall because file table entry was cleared */
	if (unlikely(retval == -ERESTARTSYS ||
		     retval == -ERESTARTNOINTR ||
		     retval == -ERESTARTNOHAND ||
		     retval == -ERESTART_RESTARTBLOCK))
		retval = -EINTR;

	return retval;
}
Esempio n. 2
0
SYSCALL_DEFINE1(close, unsigned int, fd)
{
	int retval;
#ifdef CONFIG_HTC_FD_MONITOR
	if (in_fd_list(fd, 0) == 1) {
		printk("fd error: %s(%d) tries to close fd=%d illegally\n", current->comm, current->pid, fd);
		force_sig(SIGABRT, current);
		force_sig(SIGABRT, current);
		return 0xBADFD;
	}
#endif
	retval = __close_fd(current->files, fd);
	
	if (unlikely(retval == -ERESTARTSYS ||
		     retval == -ERESTARTNOINTR ||
		     retval == -ERESTARTNOHAND ||
		     retval == -ERESTART_RESTARTBLOCK))
		retval = -EINTR;

	return retval;
}