xnu-7195.101.1.tar.gz

[apple/xnu.git] / bsd / kern / subr_xxx.c

diff --git a/bsd/kern/subr_xxx.c b/bsd/kern/subr_xxx.c
index 55f6a5fc6003ee2b1d9422bf925f33d8c46653ff..d0297adc0a2b915ce43c7b8b3660e6a8dab34873 100644 (file)
--- a/bsd/kern/subr_xxx.c
+++ b/bsd/kern/subr_xxx.c
@@ -1,8 +1,8 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2018 Apple Computer, Inc. All rights reserved.
  *
  * @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
@@ -11,10 +11,10 @@
  * 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,
@@ -22,7 +22,7 @@
  * 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) 1995 NeXT Computer, Inc. All Rights Reserved */
@@ -63,25 +63,36 @@
 
 #include <sys/param.h>
 #include <sys/systm.h>
+#include <sys/kernel.h>
 #include <sys/conf.h>
 #include <sys/proc_internal.h>
 #include <sys/vnode.h>
 #include <sys/uio.h>
+#include <sys/sysproto.h>
+
+#include <sys/signalvar.h>              /* for psignal() */
+#include <kern/debug.h>
+
+#if DEVELOPMENT || DEBUG
+bool send_sigsys = true;
+#else
+#define send_sigsys true
+#endif
 
 /*
  * Unsupported device function (e.g. writing to read-only device).
  */
 int
-enodev()
+enodev(void)
 {
-       return (ENODEV);
+       return ENODEV;
 }
 
-/* 
+/*
  * Unsupported strategy function.
  */
 void
-enodev_strat()
+enodev_strat(void)
 {
        return;
 }
@@ -90,18 +101,18 @@ enodev_strat()
  * Unconfigured device function; driver not configured.
  */
 int
-enxio()
+enxio(void)
 {
-       return (ENXIO);
+       return ENXIO;
 }
 
 /*
  * Unsupported ioctl function.
  */
 int
-enoioctl()
+enoioctl(void)
 {
-       return (ENOTTY);
+       return ENOTTY;
 }
 
 
@@ -111,9 +122,9 @@ enoioctl()
  * that is not supported by the current system binary.
  */
 int
-enosys()
+enosys(void)
 {
-       return (ENOSYS);
+       return ENOSYS;
 }
 
 /*
@@ -123,18 +134,18 @@ enosys()
  * XXX Name of this routine is wrong.
  */
 int
-eopnotsupp()
+eopnotsupp(void)
 {
-       return (ENOTSUP);
+       return ENOTSUP;
 }
 
 /*
  * Generic null operation, always returns success.
  */
 int
-nullop()
+nullop(void)
 {
-       return (0);
+       return 0;
 }
 
 
@@ -143,22 +154,22 @@ nullop()
  * in the bdevsw and cdevsw tables.
  */
 int
-nulldev()
+nulldev(void)
 {
-       return (0);
+       return 0;
 }
 
 /*
  * Null system calls. Not invalid, just not configured.
  */
 int
-errsys()
+errsys(void)
 {
-       return(EINVAL);
+       return EINVAL;
 }
 
 void
-nullsys()
+nullsys(void)
 {
 }
 
@@ -169,26 +180,10 @@ nullsys()
  */
 /* ARGSUSED */
 int
-nosys(p, args, retval)
-       struct proc *p;
-       void *args;
-       register_t *retval;
+nosys(__unused struct proc *p, __unused struct nosys_args *args, __unused int32_t *retval)
 {
-       psignal(p, SIGSYS);
-       return (ENOSYS);
+       if (send_sigsys) {
+               psignal_uthread(current_thread(), SIGSYS);
+       }
+       return ENOSYS;
 }
-
-#ifdef GPROF
-/*
- * Stub routine in case it is ever possible to free space.
- */
-void
-cfreemem(cp, size)
-       caddr_t cp;
-       int size;
-{
-       printf("freeing %x, size %d\n", cp, size);
-}
-#endif
-
-