/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * @APPLE_OSREFERENCE_LICENSE_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 OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
+ * 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_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* Copyright (c) 1997 by Apple Computer, Inc., all rights reserved
#include <kern/task.h>
#include <kern/thread.h>
#include <vm/vm_map.h>
+#include <machine/machine_routines.h>
-/* XXX should be elsewhere (cpeak) */
-extern int set_bsduthreadargs(thread_t, void *, void *);
-extern void *get_bsduthreadarg(thread_t);
-extern int *get_bsduthreadrval(thread_t);
-extern int *get_bsduthreadlowpridelay(thread_t);
-
-/*
+/*
* copy a null terminated string from the kernel address space into
* the user address space.
* - if the user is denied write access, return EFAULT.
int
copyoutstr(const void *from, user_addr_t to, size_t maxlen, size_t *lencopied)
{
- size_t slen;
- size_t len;
- int error = 0;
+ size_t slen;
+ size_t len;
+ int error = 0;
slen = strlen(from) + 1;
- if (slen > maxlen)
+ if (slen > maxlen) {
error = ENAMETOOLONG;
+ }
- len = min(maxlen,slen);
- if (copyout(from, to, len))
+ len = min(maxlen, slen);
+ if (copyout(from, to, len)) {
error = EFAULT;
+ }
*lencopied = len;
return error;
}
-/*
- * copy a null terminated string from one point to another in
+/*
+ * copy a null terminated string from one point to another in
* the kernel address space.
* - no access checks are performed.
* - if the end of string isn't found before
int
copystr(const void *vfrom, void *vto, size_t maxlen, size_t *lencopied)
{
- size_t l;
- char const *from = (char const *) vfrom;
- char *to = (char *) vto;
+ size_t l;
+ char const *from = (char const *) vfrom;
+ char *to = (char *) vto;
for (l = 0; l < maxlen; l++) {
if ((*to++ = *from++) == '\0') {
- if (lencopied)
+ if (lencopied) {
*lencopied = l + 1;
+ }
return 0;
}
}
- if (lencopied)
+ if (lencopied) {
*lencopied = maxlen;
+ }
return ENAMETOOLONG;
}
int
copywithin(void *src, void *dst, size_t count)
{
- bcopy(src,dst,count);
+ bcopy(src, dst, count);
return 0;
}
-
-int
-set_bsduthreadargs(thread_t th, void * pcb, __unused void *ignored_arg)
-{
- struct uthread * ut;
- struct proc *p = current_proc();
-
- ut = get_bsdthread_info(th);
- ut->uu_ar0 = (int *)pcb;
-
- /*
- * Delayed binding of thread credential to process credential.
- *
- * XXX This doesn't really belong here, but the i386 code has a
- * XXX number of seemingly gratuitous structural differences that
- * XXX make this the most appropriate place to do the work.
- */
- if (ut->uu_ucred != p->p_ucred &&
- (ut->uu_flag & UT_SETUID) == 0) {
- kauth_cred_t old = ut->uu_ucred;
- proc_lock(p);
- ut->uu_ucred = p->p_ucred;
- kauth_cred_ref(ut->uu_ucred);
- proc_unlock(p);
- if (old != NOCRED)
- kauth_cred_rele(old);
- }
-
- return(1);
-}
-
-void *
-get_bsduthreadarg(thread_t th)
-{
-struct uthread *ut;
- ut = get_bsdthread_info(th);
- return((void *)(ut->uu_arg));
-}
-
-int *
-get_bsduthreadrval(thread_t th)
-{
-struct uthread *ut;
- ut = get_bsdthread_info(th);
- return(&ut->uu_rval[0]);
-}
-
-int *
-get_bsduthreadlowpridelay(thread_t th)
-{
-struct uthread *ut;
- ut = get_bsdthread_info(th);
- return(&ut->uu_lowpri_delay);
-}
projects / apple / xnu.git / blobdiff