diff -u linux-2.4.0-test13-pre4/arch/i386/kernel/apm.c linux-hacked/arch/i386/kernel/apm.c
--- linux-2.4.0-test13-pre4/arch/i386/kernel/apm.c	Fri Dec 29 22:47:16 2000
+++ linux-hacked/arch/i386/kernel/apm.c	Fri Dec 29 22:49:32 2000
@@ -38,6 +38,7 @@
  * Jan 2000, Version 1.12
  * Feb 2000, Version 1.13
  * Nov 2000, Version 1.14
+ * Dec 2000, Version 1.15
  *
  * History:
  *    0.6b: first version in official kernel, Linux 1.3.46
@@ -148,6 +149,10 @@
  *   1.14: Make connection version persist across module unload/load.
  *         Enable and engage power management earlier.
  *         Disengage power management on module unload.
+ *   1.15: Add APM_IOC_REJECT ioctl, based on a patch from Stephen
+ *         Rothwell but apparently written by Craig Markwardt
+ *         <craigm@lheamail.gsfc.nasa.gov>.
+ *         John Fremlin <vii@penguinpowered.com>
  *
  * APM 1.1 Reference:
  *
@@ -301,6 +306,7 @@
 	int		suspend_result;
 	int		suspends_pending;
 	int		standbys_pending;
+	int		rejects_pending;
 	int		suspends_read;
 	int		standbys_read;
 	int		event_head;
@@ -325,6 +331,7 @@
 #endif
 static int			suspends_pending;
 static int			standbys_pending;
+static int			rejects_pending;
 static int			waiting_for_resume;
 static int			ignore_normal_resume;
 static int			bounce_interval = DEFAULT_BOUNCE_INTERVAL;
@@ -350,7 +357,7 @@
 static DECLARE_WAIT_QUEUE_HEAD(apm_suspend_waitqueue);
 static struct apm_user *	user_list;
 
-static char			driver_version[] = "1.14";	/* no spaces */
+static char			driver_version[] = "1.15";	/* no spaces */
 
 static char *	apm_event_name[] = {
 	"system standby",
@@ -832,6 +839,15 @@
 			as->standbys_pending++;
 			standbys_pending++;
 			break;
+
+		case APM_SUSPEND_REJECT:
+			as->suspend_wait = 0;
+			as->suspend_result = -EAGAIN;
+			/* Fall through to */
+		case APM_STANDBY_REJECT:
+			as->rejects_pending++;
+			rejects_pending++;
+			break;
 		}
 	}
 	wake_up_interruptible(&apm_waitqueue);
@@ -1211,6 +1227,41 @@
 	return 0;
 }
 
+static int send_reject(struct apm_user *as, apm_event_t state)
+{
+	if (as->rejects_pending > 0) {
+		as->rejects_pending--;
+		rejects_pending--;
+	} else {
+		switch (state) {
+		case APM_SYS_SUSPEND:
+		case APM_USER_SUSPEND:
+			queue_event(APM_SUSPEND_REJECT, as);
+			break;
+		case APM_SYS_STANDBY:
+		case APM_USER_STANDBY:
+			queue_event(APM_STANDBY_REJECT, as);
+			break;
+		}
+	}
+	if ((rejects_pending <= 0) &&
+	    (suspends_pending <= 0) &&
+	    (standbys_pending <= 0)) {
+		switch (state) {
+		case APM_SYS_SUSPEND:
+		case APM_USER_SUSPEND:
+			send_event(APM_NORMAL_RESUME);
+			break;
+		case APM_SYS_STANDBY:
+		case APM_USER_STANDBY:
+			send_event(APM_STANDBY_RESUME);
+			break;
+		}
+		return apm_set_power_state(APM_STATE_REJECT);
+	}
+	return APM_SUCCESS;
+}
+
 static int do_ioctl(struct inode * inode, struct file *filp,
 		    u_int cmd, u_long arg)
 {
@@ -1262,12 +1313,30 @@
 			return as->suspend_result;
 		}
 		break;
+	case APM_IOC_REJECT:
+		if (as->suspends_read > 0) {
+			as->suspends_read--;
+			as->suspends_pending--;
+			suspends_pending--;
+			if(send_reject(as, APM_SYS_SUSPEND)!=APM_SUCCESS)
+				return -EREMOTEIO;
+		} else if (as->standbys_read > 0) {
+			as->standbys_read--;
+			as->standbys_pending--;
+			standbys_pending--;
+			if(send_reject(as, APM_SYS_STANDBY)!=APM_SUCCESS)
+				return -EREMOTEIO;
+		} else
+			return -EINVAL;
+		break;
 	default:
 		return -EINVAL;
 	}
 	return 0;
 }
 
+
+
 static int do_release(struct inode * inode, struct file * filp)
 {
 	struct apm_user *	as;
@@ -1277,14 +1346,16 @@
 		return 0;
 	filp->private_data = NULL;
 	lock_kernel();
+	rejects_pending -= as->rejects_pending;
+	as->rejects_pending = 0;
 	if (as->standbys_pending > 0) {
 		standbys_pending -= as->standbys_pending;
-		if (standbys_pending <= 0)
+		if (standbys_pending <= 0 && rejects_pending <= 0)
 			standby();
 	}
 	if (as->suspends_pending > 0) {
 		suspends_pending -= as->suspends_pending;
-		if (suspends_pending <= 0)
+		if (suspends_pending <= 0 && rejects_pending <= 0)
 			(void) suspend();
 	}
 	if (user_list == as)
@@ -1318,7 +1389,7 @@
 	}
 	as->magic = APM_BIOS_MAGIC;
 	as->event_tail = as->event_head = 0;
-	as->suspends_pending = as->standbys_pending = 0;
+	as->suspends_pending = as->standbys_pending = as->rejects_pending = 0;
 	as->suspends_read = as->standbys_read = 0;
 	/*
 	 * XXX - this is a tiny bit broken, when we consider BSD
diff --recursive -u linux-2.4.0-test13-pre4/include/linux/apm_bios.h linux-hacked/include/linux/apm_bios.h
--- linux-2.4.0-test13-pre4/include/linux/apm_bios.h	Fri Dec 29 22:46:31 2000
+++ linux-hacked/include/linux/apm_bios.h	Fri Dec 29 06:57:09 2000
@@ -139,6 +139,8 @@
 #define APM_USER_SUSPEND	0x000a
 #define APM_STANDBY_RESUME	0x000b
 #define APM_CAPABILITY_CHANGE	0x000c
+#define APM_STANDBY_REJECT	0x000d
+#define APM_SUSPEND_REJECT	0x000e
 
 /*
  * Error codes
@@ -210,5 +212,6 @@
 
 #define APM_IOC_STANDBY		_IO('A', 1)
 #define APM_IOC_SUSPEND		_IO('A', 2)
+#define APM_IOC_REJECT		_IO('A', 3)
 
 #endif	/* LINUX_APM_H */