Module Name: src
Committed By: jmcneill
Date: Tue Aug 23 14:37:50 UTC 2011
Modified Files:
src/sys/arch/usermode/dev: clock.c
src/sys/arch/usermode/include: thunk.h
src/sys/arch/usermode/usermode: thunk.c
Log Message:
host and userkernel timespec might differ in size (because of time_t) so
instead of thunk_clock_getres() filling in a timespec, use instead
thunk_clock_getres_monotonic() that returns the resolution as a long
To generate a diff of this commit:
cvs rdiff -u -r1.8 -r1.9 src/sys/arch/usermode/dev/clock.c
cvs rdiff -u -r1.9 -r1.10 src/sys/arch/usermode/include/thunk.h
cvs rdiff -u -r1.10 -r1.11 src/sys/arch/usermode/usermode/thunk.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/usermode/dev/clock.c
diff -u src/sys/arch/usermode/dev/clock.c:1.8 src/sys/arch/usermode/dev/clock.c:1.9
--- src/sys/arch/usermode/dev/clock.c:1.8 Sat Aug 13 12:06:22 2011
+++ src/sys/arch/usermode/dev/clock.c Tue Aug 23 14:37:50 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: clock.c,v 1.8 2011/08/13 12:06:22 jmcneill Exp $ */
+/* $NetBSD: clock.c,v 1.9 2011/08/23 14:37:50 jmcneill Exp $ */
/*-
* Copyright (c) 2007 Jared D. McNeill <[email protected]>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: clock.c,v 1.8 2011/08/13 12:06:22 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: clock.c,v 1.9 2011/08/23 14:37:50 jmcneill Exp $");
#include <sys/param.h>
#include <sys/proc.h>
@@ -84,7 +84,7 @@
{
clock_softc_t *sc = device_private(self);
struct itimerval itimer;
- struct timespec res;
+ long tcres;
aprint_naive("\n");
aprint_normal("\n");
@@ -101,9 +101,10 @@
itimer.it_value = itimer.it_interval;
thunk_setitimer(ITIMER_REAL, &itimer, NULL);
- if (thunk_clock_getres(CLOCK_MONOTONIC, &res) == 0 && res.tv_nsec > 0) {
+ tcres = thunk_clock_getres_monotonic();
+ if (tcres > 0) {
clock_timecounter.tc_quality = 1000;
- clock_timecounter.tc_frequency = 1000000000 / res.tv_nsec;
+ clock_timecounter.tc_frequency = 1000000000 / tcres;
}
tc_init(&clock_timecounter);
}
Index: src/sys/arch/usermode/include/thunk.h
diff -u src/sys/arch/usermode/include/thunk.h:1.9 src/sys/arch/usermode/include/thunk.h:1.10
--- src/sys/arch/usermode/include/thunk.h:1.9 Mon Aug 22 15:30:16 2011
+++ src/sys/arch/usermode/include/thunk.h Tue Aug 23 14:37:50 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: thunk.h,v 1.9 2011/08/22 15:30:16 reinoud Exp $ */
+/* $NetBSD: thunk.h,v 1.10 2011/08/23 14:37:50 jmcneill Exp $ */
/*-
* Copyright (c) 2011 Jared D. McNeill <[email protected]>
@@ -41,7 +41,7 @@
int thunk_setitimer(int, const struct itimerval *, struct itimerval *);
int thunk_gettimeofday(struct timeval *, void *);
int thunk_clock_gettime(clockid_t, struct timespec *);
-int thunk_clock_getres(clockid_t, struct timespec *);
+long thunk_clock_getres_monotonic(void);
int thunk_usleep(useconds_t);
void thunk_exit(int);
Index: src/sys/arch/usermode/usermode/thunk.c
diff -u src/sys/arch/usermode/usermode/thunk.c:1.10 src/sys/arch/usermode/usermode/thunk.c:1.11
--- src/sys/arch/usermode/usermode/thunk.c:1.10 Mon Aug 22 21:45:38 2011
+++ src/sys/arch/usermode/usermode/thunk.c Tue Aug 23 14:37:50 2011
@@ -1,4 +1,4 @@
-/* $NetBSD: thunk.c,v 1.10 2011/08/22 21:45:38 jmcneill Exp $ */
+/* $NetBSD: thunk.c,v 1.11 2011/08/23 14:37:50 jmcneill Exp $ */
/*-
* Copyright (c) 2011 Jared D. McNeill <[email protected]>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__RCSID("$NetBSD: thunk.c,v 1.10 2011/08/22 21:45:38 jmcneill Exp $");
+__RCSID("$NetBSD: thunk.c,v 1.11 2011/08/23 14:37:50 jmcneill Exp $");
#include <sys/types.h>
#include <sys/ansi.h>
@@ -65,10 +65,17 @@
return clock_gettime(clock_id, tp);
}
-int
-thunk_clock_getres(clockid_t clock_id, struct timespec *res)
+long
+thunk_clock_getres_monotonic(void)
{
- return clock_getres(clock_id, res);
+ struct timespec res;
+ int error;
+
+ error = clock_getres(CLOCK_MONOTONIC, &res);
+ if (error)
+ return -1;
+
+ return res.tv_nsec;
}
int
