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[src/trunk]: src/sys Put async i/o compat routines in a separate source modul...



details:   https://anonhg.NetBSD.org/src/rev/741b044a4d88
branches:  trunk
changeset: 760939:741b044a4d88
user:      pooka <pooka%NetBSD.org@localhost>
date:      Mon Jan 17 15:57:04 2011 +0000

description:
Put async i/o compat routines in a separate source module from the
ones related to clock and process management.

diffstat:

 sys/compat/common/Makefile         |    7 +-
 sys/compat/common/kern_select_50.c |  176 +++++++++++++++++++++++++++++++++++++
 sys/compat/common/kern_time_50.c   |  138 +----------------------------
 sys/modules/compat/Makefile        |    6 +-
 4 files changed, 185 insertions(+), 142 deletions(-)

diffs (truncated from 387 to 300 lines):

diff -r f8c58924f82c -r 741b044a4d88 sys/compat/common/Makefile
--- a/sys/compat/common/Makefile        Mon Jan 17 15:56:03 2011 +0000
+++ b/sys/compat/common/Makefile        Mon Jan 17 15:57:04 2011 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile,v 1.45 2009/01/19 19:39:41 christos Exp $
+#      $NetBSD: Makefile,v 1.46 2011/01/17 15:57:04 pooka Exp $
 
 LIB=           compat
 NOPIC=         # defined
@@ -40,8 +40,9 @@
 SRCS+= vfs_syscalls_40.c uipc_syscalls_40.c
 
 # Compatibility code for NetBSD 5.0
-SRCS+= kern_time_50.c rtsock_50.c sysv_msg_50.c sysv_sem_50.c sysv_shm_50.c \
-       vfs_syscalls_50.c  uipc_syscalls_50.c sysv_ipc_50.c
+SRCS+= kern_time_50.c kern_select_50.c rtsock_50.c sysv_msg_50.c \
+       sysv_sem_50.c sysv_shm_50.c vfs_syscalls_50.c  uipc_syscalls_50.c \
+       sysv_ipc_50.c
 
 # really, all machines where sizeof(int) != sizeof(long) (LP64)
 .if (${MACHINE_ARCH} != "alpha" && ${MACHINE_ARCH} != "sparc64" \
diff -r f8c58924f82c -r 741b044a4d88 sys/compat/common/kern_select_50.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/compat/common/kern_select_50.c        Mon Jan 17 15:57:04 2011 +0000
@@ -0,0 +1,176 @@
+/*     $NetBSD: kern_select_50.c,v 1.1 2011/01/17 15:57:04 pooka Exp $ */
+
+/*-
+ * Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Christos Zoulas.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: kern_select_50.c,v 1.1 2011/01/17 15:57:04 pooka Exp $");
+
+#include <sys/param.h>
+#include <sys/event.h>
+#include <sys/poll.h>
+#include <sys/select.h>
+#include <sys/time.h>
+#include <sys/syscallargs.h>
+
+#include <compat/sys/time.h>
+
+static int
+compat_50_kevent_fetch_timeout(const void *src, void *dest, size_t length)
+{
+       struct timespec50 ts50;
+       int error;
+
+       KASSERT(length == sizeof(struct timespec));
+
+       error = copyin(src, &ts50, sizeof(ts50));
+       if (error)
+               return error;
+       timespec50_to_timespec(&ts50, (struct timespec *)dest);
+       return 0;
+}
+
+int
+compat_50_sys_kevent(struct lwp *l, const struct compat_50_sys_kevent_args *uap,
+    register_t *retval)
+{
+       /* {
+               syscallarg(int) fd;
+               syscallarg(keventp_t) changelist;
+               syscallarg(size_t) nchanges;
+               syscallarg(keventp_t) eventlist;
+               syscallarg(size_t) nevents;
+               syscallarg(struct timespec50) timeout;
+       } */
+       static const struct kevent_ops compat_50_kevent_ops = {
+               .keo_private = NULL,
+               .keo_fetch_timeout = compat_50_kevent_fetch_timeout,
+               .keo_fetch_changes = kevent_fetch_changes,
+               .keo_put_events = kevent_put_events,
+       };
+
+       return kevent1(retval, SCARG(uap, fd), SCARG(uap, changelist),
+           SCARG(uap, nchanges), SCARG(uap, eventlist), SCARG(uap, nevents),
+           (const struct timespec *)(const void *)SCARG(uap, timeout),
+           &compat_50_kevent_ops);
+}
+
+int
+compat_50_sys_select(struct lwp *l,
+    const struct compat_50_sys_select_args *uap, register_t *retval)
+{
+       /* {
+               syscallarg(int)                 nd;
+               syscallarg(fd_set *)            in;
+               syscallarg(fd_set *)            ou;
+               syscallarg(fd_set *)            ex;
+               syscallarg(struct timeval50 *)  tv;
+       } */
+       struct timespec ats, *ts = NULL;
+       struct timeval50 atv50;
+       int error;
+
+       if (SCARG(uap, tv)) {
+               error = copyin(SCARG(uap, tv), (void *)&atv50, sizeof(atv50));
+               if (error)
+                       return error;
+               ats.tv_sec = atv50.tv_sec;
+               ats.tv_nsec = atv50.tv_usec * 1000;
+               ts = &ats;
+       }
+
+       return selcommon(retval, SCARG(uap, nd), SCARG(uap, in),
+           SCARG(uap, ou), SCARG(uap, ex), ts, NULL);
+}
+
+int
+compat_50_sys_pselect(struct lwp *l,
+    const struct compat_50_sys_pselect_args *uap, register_t *retval)
+{
+       /* {
+               syscallarg(int)                         nd;
+               syscallarg(fd_set *)                    in;
+               syscallarg(fd_set *)                    ou;
+               syscallarg(fd_set *)                    ex;
+               syscallarg(const struct timespec50 *)   ts;
+               syscallarg(sigset_t *)                  mask;
+       } */
+       struct timespec50       ats50;
+       struct timespec ats, *ts = NULL;
+       sigset_t        amask, *mask = NULL;
+       int             error;
+
+       if (SCARG(uap, ts)) {
+               error = copyin(SCARG(uap, ts), &ats50, sizeof(ats50));
+               if (error)
+                       return error;
+               timespec50_to_timespec(&ats50, &ats);
+               ts = &ats;
+       }
+       if (SCARG(uap, mask) != NULL) {
+               error = copyin(SCARG(uap, mask), &amask, sizeof(amask));
+               if (error)
+                       return error;
+               mask = &amask;
+       }
+
+       return selcommon(retval, SCARG(uap, nd), SCARG(uap, in),
+           SCARG(uap, ou), SCARG(uap, ex), ts, mask);
+}
+
+int
+compat_50_sys_pollts(struct lwp *l, const struct compat_50_sys_pollts_args *uap,
+    register_t *retval)
+{
+       /* {
+               syscallarg(struct pollfd *)             fds;
+               syscallarg(u_int)                       nfds;
+               syscallarg(const struct timespec50 *)   ts;
+               syscallarg(const sigset_t *)            mask;
+       } */
+       struct timespec ats, *ts = NULL;
+       struct timespec50 ats50;
+       sigset_t        amask, *mask = NULL;
+       int             error;
+
+       if (SCARG(uap, ts)) {
+               error = copyin(SCARG(uap, ts), &ats50, sizeof(ats50));
+               if (error)
+                       return error;
+               timespec50_to_timespec(&ats50, &ats);
+               ts = &ats;
+       }
+       if (SCARG(uap, mask)) {
+               error = copyin(SCARG(uap, mask), &amask, sizeof(amask));
+               if (error)
+                       return error;
+               mask = &amask;
+       }
+
+       return pollcommon(retval, SCARG(uap, fds), SCARG(uap, nfds), ts, mask);
+}
diff -r f8c58924f82c -r 741b044a4d88 sys/compat/common/kern_time_50.c
--- a/sys/compat/common/kern_time_50.c  Mon Jan 17 15:56:03 2011 +0000
+++ b/sys/compat/common/kern_time_50.c  Mon Jan 17 15:57:04 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kern_time_50.c,v 1.16 2010/05/30 19:31:39 drochner Exp $       */
+/*     $NetBSD: kern_time_50.c,v 1.17 2011/01/17 15:57:04 pooka Exp $  */
 
 /*-
  * Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
@@ -29,7 +29,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_time_50.c,v 1.16 2010/05/30 19:31:39 drochner Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_time_50.c,v 1.17 2011/01/17 15:57:04 pooka Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_aio.h"
@@ -65,46 +65,6 @@
 #include <compat/sys/resource.h>
 #include <compat/sys/clockctl.h>
 
-static int
-compat_50_kevent_fetch_timeout(const void *src, void *dest, size_t length)
-{
-       struct timespec50 ts50;
-       int error;
-
-       KASSERT(length == sizeof(struct timespec));
-
-       error = copyin(src, &ts50, sizeof(ts50));
-       if (error)
-               return error;
-       timespec50_to_timespec(&ts50, (struct timespec *)dest);
-       return 0;
-}
-
-int
-compat_50_sys_kevent(struct lwp *l, const struct compat_50_sys_kevent_args *uap,
-    register_t *retval)
-{
-       /* {
-               syscallarg(int) fd;
-               syscallarg(keventp_t) changelist;
-               syscallarg(size_t) nchanges;
-               syscallarg(keventp_t) eventlist;
-               syscallarg(size_t) nevents;
-               syscallarg(struct timespec50) timeout;
-       } */
-       static const struct kevent_ops compat_50_kevent_ops = {
-               .keo_private = NULL,
-               .keo_fetch_timeout = compat_50_kevent_fetch_timeout,
-               .keo_fetch_changes = kevent_fetch_changes,
-               .keo_put_events = kevent_put_events,
-       };
-
-       return kevent1(retval, SCARG(uap, fd), SCARG(uap, changelist),
-           SCARG(uap, nchanges), SCARG(uap, eventlist), SCARG(uap, nevents),
-           (const struct timespec *)(const void *)SCARG(uap, timeout),
-           &compat_50_kevent_ops);
-}
-
 int
 compat_50_sys_clock_gettime(struct lwp *l,
     const struct compat_50_sys_clock_gettime_args *uap, register_t *retval)
@@ -384,100 +344,6 @@
 }
 
 int
-compat_50_sys_select(struct lwp *l,
-    const struct compat_50_sys_select_args *uap, register_t *retval)
-{
-       /* {
-               syscallarg(int)                 nd;
-               syscallarg(fd_set *)            in;
-               syscallarg(fd_set *)            ou;
-               syscallarg(fd_set *)            ex;
-               syscallarg(struct timeval50 *)  tv;
-       } */
-       struct timespec ats, *ts = NULL;
-       struct timeval50 atv50;
-       int error;
-
-       if (SCARG(uap, tv)) {
-               error = copyin(SCARG(uap, tv), (void *)&atv50, sizeof(atv50));
-               if (error)
-                       return error;
-               ats.tv_sec = atv50.tv_sec;
-               ats.tv_nsec = atv50.tv_usec * 1000;
-               ts = &ats;
-       }
-
-       return selcommon(retval, SCARG(uap, nd), SCARG(uap, in),
-           SCARG(uap, ou), SCARG(uap, ex), ts, NULL);
-}
-
-int
-compat_50_sys_pselect(struct lwp *l,
-    const struct compat_50_sys_pselect_args *uap, register_t *retval)



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