xnu-792.12.6.tar.gz

[apple/xnu.git] / bsd / dev / ppc / chud / chud_process.c

diff --git a/bsd/dev/ppc/chud/chud_process.c b/bsd/dev/ppc/chud/chud_process.c
new file mode 100644 (file)
index 0000000..b91d09c
--- /dev/null
+++ b/bsd/dev/ppc/chud/chud_process.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
+ * 
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code 
+ * as defined in and that are subject to the Apple Public Source License 
+ * Version 2.0 (the 'License'). You may not use this file except in 
+ * compliance with the License.  The rights granted to you under the 
+ * License may not be used to create, or enable the creation or 
+ * redistribution of, unlawful or unlicensed copies of an Apple operating 
+ * system, or to circumvent, violate, or enable the circumvention or 
+ * violation of, any terms of an Apple operating system software license 
+ * agreement.
+ *
+ * Please obtain a copy of the License at 
+ * http://www.opensource.apple.com/apsl/ and read it before using this 
+ * file.
+ *
+ * The Original Code and all software distributed under the License are 
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
+ * Please see the License for the specific language governing rights and 
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ */
+
+#include <sys/systm.h>
+#include <sys/proc_internal.h>
+#include <sys/vnode_internal.h> // vn_getpath()
+
+__private_extern__
+int chudxnu_pid_for_task(task_t task)
+{
+    struct proc *p;
+
+    if(task!=TASK_NULL) {
+        p = (struct proc *)(get_bsdtask_info(task));
+        if(p) {
+            return (p->p_pid);
+        }
+    }
+    return -1;
+}
+
+__private_extern__
+task_t chudxnu_task_for_pid(int pid)
+{
+    struct proc *p = pfind(pid);
+    if(p) {
+        return p->task;
+    }
+    return TASK_NULL;
+}
+
+__private_extern__
+int chudxnu_current_pid(void)
+{
+    return current_proc()->p_pid;
+}