C++ (Cpp) hv_cons_getchar示例

示例#1

文件： vcons.c 项目： alenichev/openbsd-kernel

int
vcons_cnlookc(dev_t dev, int *cp)
{
	int64_t ch;

	if (hv_cons_getchar(&ch) == H_EOK) {
#ifdef DDB
		if (ch == -1 && db_console)
			Debugger();
#endif
		*cp = ch;
		return (1);
	}

	return (0);
}

示例#2

文件： hvcons.c 项目： DangerDexter/FreeBSD-8.0-dyntick

static int
hvcn_cncheckc(struct consdev *cp)
{
	unsigned char ch;
	int l;

	if ((l = hv_cons_getchar(&ch)) == H_EOK) {
#if defined(KDB)
		if (l == H_BREAK || l ==  H_HUP)
			kdb_enter(KDB_WHY_BREAK, "Break sequence on console");
		if (kdb_alt_break(ch, &alt_break_state))
			kdb_enter(KDB_WHY_BREAK, "Break sequence on console");
#endif
		return (ch);
	}

	return (-1);
}

示例#3

文件： hvcons.c 项目： DangerDexter/FreeBSD-8.0-dyntick

static int
hvcn_cngetc(struct consdev *cp)
{
	unsigned char ch;
	int l;

	ch = '\0';

	while ((l = hv_cons_getchar(&ch)) != H_EOK) {
#if defined(KDB)
		int kdb_brk;

		if (l == H_BREAK || l ==  H_HUP)
			kdb_enter(KDB_WHY_BREAK, "Break sequence on console");

		if ((kdb_brk = kdb_alt_break(ch, &alt_break_state)) != 0) {
			switch (kdb_brk) {
			case KDB_REQ_DEBUGGER:
				kdb_enter(KDB_WHY_BREAK,
				    "Break sequence on console");
				break;
			case KDB_REQ_PANIC:
				kdb_panic("Panic sequence on console");
				break;
			case KDB_REQ_REBOOT:
				kdb_reboot();
				break;
			}
		}
#endif
		if (l != -2 && l != 0) {
			return (-1);
		}
	}



	return (ch);
}