C++ (Cpp) SYSCTL_XUNLOCK示例

示例#1

文件： kern_sysctl.c 项目： kusumi/DragonFlyBSD

void
sysctl_register_oid(struct sysctl_oid *oidp)
{
	SYSCTL_XLOCK();
	sysctl_register_oid_int(oidp);
	SYSCTL_XUNLOCK();
}

示例#2

static
int
sysctl_cancel_lock(SYSCTL_HANDLER_ARGS)
{
	int error;

	if (req->newptr) {
		SYSCTL_XUNLOCK();
		lockmgr(&cancel_lk, LK_EXCLUSIVE);
		kprintf("x");
		error = tsleep(&error, PCATCH, "canmas", hz * 5);
		lockmgr(&cancel_lk, LK_CANCEL_BEG);
		kprintf("y");
		error = tsleep(&error, PCATCH, "canmas", hz * 5);
		kprintf("z");
		lockmgr(&cancel_lk, LK_RELEASE);
		SYSCTL_XLOCK();
		SYSCTL_OUT(req, &error, sizeof(error));
	}
	error = 0;

	return error;
}