X-Git-Url: https://granicus.if.org/sourcecode?a=blobdiff_plain;f=time.c;h=1f44dca714e0693f25509a59635b73fee7b31ca3;hb=90eee029a92746dc6d9d1cb1ee34ee9e268aecc9;hp=cbfa5568fa5a200ae3df455a98820d33b5be6ee8;hpb=a7945a3d4e144674a8dd1d885e7086bc274e391b;p=strace

diff --git a/time.c b/time.c
index cbfa5568..1f44dca7 100644
--- a/time.c
+++ b/time.c
@@ -2,6 +2,7 @@
  * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
  * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
  * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
+ * Copyright (c) 1996-2018 The strace developers.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -25,624 +26,320 @@
  * 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.
- *
- *	$Id$
  */
 
 #include "defs.h"
-
-#ifdef LINUX
-#include <linux/version.h>
+#include <fcntl.h>
+#include <signal.h>
 #include <sys/timex.h>
-#include <linux/ioctl.h>
-#include <linux/rtc.h>
-#endif /* LINUX */
 
-struct timeval32
+static void
+print_timezone(struct tcb *const tcp, const kernel_ulong_t addr)
 {
-	u_int32_t tv_sec, tv_usec;
-};
+	struct timezone tz;
 
-void
-printtv_bitness(struct tcb *tcp, long addr, enum bitness_t bitness)
-{
-	if (addr == 0)
-		tprintf("NULL");
-	else if (!verbose(tcp))
-		tprintf("%#lx", addr);
-	else
-	{
-		int     rc;
-
-		if (bitness == BITNESS_32
-#if defined(LINUX) && SUPPORTED_PERSONALITIES > 1
-		    || personality_wordsize[current_personality] == 4
-#endif
-			)
-		{
-			struct timeval32 tv;
-
-			if ((rc = umove(tcp, addr, &tv)) >= 0)
-				tprintf("{%u, %u}",
-					tv.tv_sec, tv.tv_usec);
-		} else
-		{
-			struct timeval tv;
-
-			if ((rc = umove(tcp, addr, &tv)) >= 0)
-				tprintf("{%lu, %lu}",
-					(unsigned long) tv.tv_sec,
-					(unsigned long) tv.tv_usec);
-		}
+	if (umove_or_printaddr(tcp, addr, &tz))
+		return;
 
-		if (rc < 0)
-			tprintf("{...}");
-	}
+	tprintf("{tz_minuteswest=%d, tz_dsttime=%d}",
+		tz.tz_minuteswest, tz.tz_dsttime);
 }
 
-void
-sprinttv(struct tcb *tcp, long addr, enum bitness_t bitness, char *buf)
-{
-	if (addr == 0)
-		strcpy(buf, "NULL");
-	else if (!verbose(tcp))
-		sprintf(buf, "%#lx", addr);
-	else
-	{
-		int     rc;
-
-		if (bitness == BITNESS_32
-#if defined(LINUX) && SUPPORTED_PERSONALITIES > 1
-		    || personality_wordsize[current_personality] == 4
-#endif
-			)
-		{
-			struct timeval32 tv;
-
-			if ((rc = umove(tcp, addr, &tv)) >= 0)
-				sprintf(buf, "{%u, %u}",
-					tv.tv_sec, tv.tv_usec);
-		} else
-		{
-			struct timeval tv;
-
-			if ((rc = umove(tcp, addr, &tv)) >= 0)
-				sprintf(buf, "{%lu, %lu}",
-					(unsigned long) tv.tv_sec,
-					(unsigned long) tv.tv_usec);
-		}
-
-		if (rc < 0)
-			strcpy(buf, "{...}");
-	}
-}
-
-int
-sys_time(tcp)
-struct tcb *tcp;
+SYS_FUNC(gettimeofday)
 {
 	if (exiting(tcp)) {
-#ifndef SVR4
-		printnum(tcp, tcp->u_arg[0], "%ld");
-#endif /* SVR4 */
+		print_timeval(tcp, tcp->u_arg[0]);
+		tprints(", ");
+		print_timezone(tcp, tcp->u_arg[1]);
 	}
 	return 0;
 }
 
-int
-sys_stime(tcp)
-struct tcb *tcp;
+#ifdef ALPHA
+SYS_FUNC(osf_gettimeofday)
 {
 	if (exiting(tcp)) {
-		printnum(tcp, tcp->u_arg[0], "%ld");
+		print_timeval32(tcp, tcp->u_arg[0]);
+		tprints(", ");
+		print_timezone(tcp, tcp->u_arg[1]);
 	}
 	return 0;
 }
+#endif
 
-int
-sys_gettimeofday(tcp)
-struct tcb *tcp;
+SYS_FUNC(settimeofday)
 {
-	if (exiting(tcp)) {
-		if (syserror(tcp)) {
-			tprintf("%#lx, %#lx",
-				tcp->u_arg[0], tcp->u_arg[1]);
-			return 0;
-		}
-		printtv(tcp, tcp->u_arg[0]);
-#ifndef SVR4
-		tprintf(", ");
-		printtv(tcp, tcp->u_arg[1]);
-#endif /* !SVR4 */
-	}
-	return 0;
-}
+	print_timeval(tcp, tcp->u_arg[0]);
+	tprints(", ");
+	print_timezone(tcp, tcp->u_arg[1]);
 
+	return RVAL_DECODED;
+}
 
 #ifdef ALPHA
-int
-sys_osf_gettimeofday(tcp)
-struct tcb *tcp;
+SYS_FUNC(osf_settimeofday)
 {
-    if (exiting(tcp)) {
-	if (syserror(tcp)) {
-	    tprintf("%#lx, %#lx",
-		    tcp->u_arg[0], tcp->u_arg[1]);
-	    return 0;
-	}
-	printtv_bitness(tcp, tcp->u_arg[0], BITNESS_32);
-#ifndef SVR4
-	tprintf(", ");
-	printtv_bitness(tcp, tcp->u_arg[1], BITNESS_32);
-#endif /* !SVR4 */
-    }
-    return 0;
+	print_timeval32(tcp, tcp->u_arg[0]);
+	tprints(", ");
+	print_timezone(tcp, tcp->u_arg[1]);
+
+	return RVAL_DECODED;
 }
 #endif
 
-int
-sys_settimeofday(tcp)
-struct tcb *tcp;
+SYS_FUNC(nanosleep)
 {
 	if (entering(tcp)) {
-		printtv(tcp, tcp->u_arg[0]);
-#ifndef SVR4
-		tprintf(", ");
-		printtv(tcp, tcp->u_arg[1]);
-#endif /* !SVR4 */
+		print_timespec(tcp, tcp->u_arg[0]);
+		tprints(", ");
+	} else {
+
+		/*
+		 * Second (returned) timespec is only significant if syscall
+		 * was interrupted.  On success and in case of other errors we
+		 * print only its address, since kernel doesn't modify it,
+		 * and printing the value may show uninitialized data.
+		 */
+		if (is_erestart(tcp)) {
+			temporarily_clear_syserror(tcp);
+			print_timespec(tcp, tcp->u_arg[1]);
+			restore_cleared_syserror(tcp);
+		} else {
+			printaddr(tcp->u_arg[1]);
+		}
 	}
 	return 0;
 }
 
-#ifdef ALPHA
-int
-sys_osf_settimeofday(tcp)
-struct tcb *tcp;
-{
-    if (entering(tcp)) {
-	printtv_bitness(tcp, tcp->u_arg[0], BITNESS_32);
-#ifndef SVR4
-	tprintf(", ");
-	printtv_bitness(tcp, tcp->u_arg[1], BITNESS_32);
-#endif /* !SVR4 */
-    }
-    return 0;
-}
-#endif
+#include "xlat/itimer_which.h"
 
-int
-sys_adjtime(tcp)
-struct tcb *tcp;
+SYS_FUNC(getitimer)
 {
 	if (entering(tcp)) {
-		printtv(tcp, tcp->u_arg[0]);
-		tprintf(", ");
+		printxval_index(itimer_which, (unsigned int) tcp->u_arg[0],
+				"ITIMER_???");
+		tprints(", ");
 	} else {
-		if (syserror(tcp))
-			tprintf("%#lx", tcp->u_arg[1]);
-		else
-			printtv(tcp, tcp->u_arg[1]);
+		print_itimerval(tcp, tcp->u_arg[1]);
 	}
 	return 0;
 }
 
-static const struct xlat which[] = {
-	{ ITIMER_REAL,	"ITIMER_REAL"	},
-	{ ITIMER_VIRTUAL,"ITIMER_VIRTUAL"},
-	{ ITIMER_PROF,	"ITIMER_PROF"	},
-	{ 0,		NULL		},
-};
-
-static void
-printitv(tcp, addr)
-struct tcb *tcp;
-long addr;
-{
-	struct itimerval itv;
-
-	if (addr == 0)
-		tprintf("NULL");
-	else if (!verbose(tcp))
-		tprintf("%#lx", addr);
-	else if (umove(tcp, addr, &itv) < 0)
-		tprintf("{...}");
-	else {
-		tprintf("{it_interval={%lu, %lu}, it_value={%lu, %lu}}",
-		(long) itv.it_interval.tv_sec, (long) itv.it_interval.tv_usec,
-		(long) itv.it_value.tv_sec, (long) itv.it_value.tv_usec);
-	}
-}
-
-
 #ifdef ALPHA
-static void
-printitv32(tcp, addr)
-struct tcb *tcp;
-long addr;
-{
-    struct itimerval32
-    {
-	struct timeval32 it_interval;
-	struct timeval32 it_value;
-    } itv;
-
-    if (addr == 0)
-	tprintf("NULL");
-    else if (!verbose(tcp))
-	tprintf("%#lx", addr);
-    else if (umove(tcp, addr, &itv) < 0)
-	tprintf("{...}");
-    else {
-	tprintf("{it_interval={%u, %u}, it_value={%u, %u}}",
-		itv.it_interval.tv_sec, itv.it_interval.tv_usec,
-		itv.it_value.tv_sec, itv.it_value.tv_usec);
-    }
-}
-#endif
-
-int
-sys_getitimer(tcp)
-struct tcb *tcp;
+SYS_FUNC(osf_getitimer)
 {
 	if (entering(tcp)) {
-		printxval(which, tcp->u_arg[0], "ITIMER_???");
-		tprintf(", ");
+		printxval_index(itimer_which, (unsigned int) tcp->u_arg[0],
+				"ITIMER_???");
+		tprints(", ");
 	} else {
-		if (syserror(tcp))
-			tprintf("%#lx", tcp->u_arg[1]);
-		else
-			printitv(tcp, tcp->u_arg[1]);
+		print_itimerval32(tcp, tcp->u_arg[1]);
 	}
 	return 0;
 }
-
-
-#ifdef ALPHA
-int
-sys_osf_getitimer(tcp)
-struct tcb *tcp;
-{
-    if (entering(tcp)) {
-	printxval(which, tcp->u_arg[0], "ITIMER_???");
-	tprintf(", ");
-    } else {
-	if (syserror(tcp))
-	    tprintf("%#lx", tcp->u_arg[1]);
-	else
-	    printitv32(tcp, tcp->u_arg[1]);
-    }
-    return 0;
-}
 #endif
 
-int
-sys_setitimer(tcp)
-struct tcb *tcp;
+SYS_FUNC(setitimer)
 {
 	if (entering(tcp)) {
-		printxval(which, tcp->u_arg[0], "ITIMER_???");
-		tprintf(", ");
-		printitv(tcp, tcp->u_arg[1]);
-		tprintf(", ");
+		printxval_index(itimer_which, (unsigned int) tcp->u_arg[0],
+				"ITIMER_???");
+		tprints(", ");
+		print_itimerval(tcp, tcp->u_arg[1]);
+		tprints(", ");
 	} else {
-		if (syserror(tcp))
-			tprintf("%#lx", tcp->u_arg[2]);
-		else
-			printitv(tcp, tcp->u_arg[2]);
+		print_itimerval(tcp, tcp->u_arg[2]);
 	}
 	return 0;
 }
 
 #ifdef ALPHA
-int
-sys_osf_setitimer(tcp)
-struct tcb *tcp;
+SYS_FUNC(osf_setitimer)
 {
-    if (entering(tcp)) {
-	printxval(which, tcp->u_arg[0], "ITIMER_???");
-	tprintf(", ");
-	printitv32(tcp, tcp->u_arg[1]);
-	tprintf(", ");
-    } else {
-	if (syserror(tcp))
-	    tprintf("%#lx", tcp->u_arg[2]);
-	else
-	    printitv32(tcp, tcp->u_arg[2]);
-    }
-    return 0;
+	if (entering(tcp)) {
+		printxval_index(itimer_which, (unsigned int) tcp->u_arg[0],
+				"ITIMER_???");
+		tprints(", ");
+		print_itimerval32(tcp, tcp->u_arg[1]);
+		tprints(", ");
+	} else {
+		print_itimerval32(tcp, tcp->u_arg[2]);
+	}
+	return 0;
 }
 #endif
 
-#ifdef LINUX
+#include "xlat/adjtimex_state.h"
 
-int
-sys_adjtimex(tcp)
-struct tcb *tcp;
+static int
+do_adjtimex(struct tcb *const tcp, const kernel_ulong_t addr)
 {
-	struct timex txc;
+	if (print_timex(tcp, addr))
+		return 0;
+	tcp->auxstr = xlat_idx(adjtimex_state, ARRAY_SIZE(adjtimex_state) - 1,
+			       (kernel_ulong_t) tcp->u_rval);
+	return RVAL_STR;
+}
 
-	if (exiting(tcp)) {
-		if (tcp->u_arg[0] == 0)
-			tprintf("NULL");
-		else if (syserror(tcp) || !verbose(tcp))
-			tprintf("%#lx", tcp->u_arg[0]);
-		else if (umove(tcp, tcp->u_arg[0], &txc) < 0)
-			tprintf("{...}");
-		else {
-#if LINUX_VERSION_CODE < 66332
-			tprintf("{mode=%d, offset=%ld, frequency=%ld, ",
-				txc.mode, txc.offset, txc.frequency);
-			tprintf("maxerror=%ld, esterror=%lu, status=%u, ",
-				txc.maxerror, txc.esterror, txc.status);
-			tprintf("time_constant=%ld, precision=%lu, ",
-				txc.time_constant, txc.precision);
-			tprintf("tolerance=%ld, time={%lu, %lu}}",
-				txc.tolerance, (long) txc.time.tv_sec,
-				(long) txc.time.tv_usec);
-#else
-			tprintf("{modes=%d, offset=%ld, freq=%ld, ",
-				txc.modes, txc.offset, txc.freq);
-			tprintf("maxerror=%ld, esterror=%lu, status=%u, ",
-				txc.maxerror, txc.esterror, txc.status);
-			tprintf("constant=%ld, precision=%lu, ",
-				txc.constant, txc.precision);
-			tprintf("tolerance=%ld, time={%lu, %lu}}",
-				txc.tolerance, (long) txc.time.tv_sec,
-				(long) txc.time.tv_usec);
-			/* there's a bunch of other stuff, but it's not
-			 * worth the time or the trouble to include */
-#endif
-		}
-	}
+SYS_FUNC(adjtimex)
+{
+	if (exiting(tcp))
+		return do_adjtimex(tcp, tcp->u_arg[0]);
 	return 0;
 }
 
-static const struct xlat clockflags[] = {
-  { TIMER_ABSTIME, "TIMER_ABSTIME" },
-  { 0,             NULL }
-};
+#include "xlat/clockflags.h"
+#include "xlat/clocknames.h"
 
-static const struct xlat clocknames[] = {
-#ifdef CLOCK_REALTIME
-  { CLOCK_REALTIME, "CLOCK_REALTIME" },
-#endif
-#ifdef CLOCK_MONOTONIC
-  { CLOCK_MONOTONIC, "CLOCK_MONOTONIC" },
+static void
+printclockname(int clockid)
+{
+#ifdef CLOCKID_TO_FD
+# include "xlat/cpuclocknames.h"
+
+	if (clockid < 0) {
+		if ((clockid & CLOCKFD_MASK) == CLOCKFD)
+			tprintf("FD_TO_CLOCKID(%d)", CLOCKID_TO_FD(clockid));
+		else {
+			tprintf("%s(%d,",
+				CPUCLOCK_PERTHREAD(clockid) ?
+					"MAKE_THREAD_CPUCLOCK" :
+					"MAKE_PROCESS_CPUCLOCK",
+				CPUCLOCK_PID(clockid));
+			printxval_index(cpuclocknames,
+					(unsigned int) clockid & CLOCKFD_MASK,
+					"CPUCLOCK_???");
+			tprints(")");
+		}
+	} else
 #endif
-  { 0,             NULL }
-};
+		printxval_index(clocknames, clockid, "CLOCK_???");
+}
 
-int
-sys_clock_settime(tcp)
-struct tcb *tcp;
+SYS_FUNC(clock_settime)
 {
-	if (entering(tcp)) {
-		printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
-		tprintf(", ");
-		printtv(tcp, tcp->u_arg[1]);
-	}
-	return 0;
+	printclockname(tcp->u_arg[0]);
+	tprints(", ");
+	print_timespec(tcp, tcp->u_arg[1]);
+
+	return RVAL_DECODED;
 }
 
-int
-sys_clock_gettime(tcp)
-struct tcb *tcp;
+SYS_FUNC(clock_gettime)
 {
 	if (entering(tcp)) {
-		printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
-		tprintf(", ");
+		printclockname(tcp->u_arg[0]);
+		tprints(", ");
 	} else {
-		if (syserror(tcp))
-			tprintf("%#lx", tcp->u_arg[1]);
-		else
-			printtv(tcp, tcp->u_arg[1]);
+		print_timespec(tcp, tcp->u_arg[1]);
 	}
 	return 0;
 }
 
-int
-sys_clock_nanosleep(tcp)
-struct tcb *tcp;
+SYS_FUNC(clock_nanosleep)
 {
 	if (entering(tcp)) {
-		printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
-		tprintf(", ");
+		printclockname(tcp->u_arg[0]);
+		tprints(", ");
 		printflags(clockflags, tcp->u_arg[1], "TIMER_???");
-		tprintf(", ");
-		printtv(tcp, tcp->u_arg[2]);
-		tprintf(", ");
+		tprints(", ");
+		print_timespec(tcp, tcp->u_arg[2]);
+		tprints(", ");
 	} else {
-		if (syserror(tcp))
-			tprintf("%#lx", tcp->u_arg[3]);
-		else
-			printtv(tcp, tcp->u_arg[3]);
+		/*
+		 * Second (returned) timespec is only significant
+		 * if syscall was interrupted and flags is not TIMER_ABSTIME.
+		 */
+		if (!tcp->u_arg[1] && is_erestart(tcp)) {
+			temporarily_clear_syserror(tcp);
+			print_timespec(tcp, tcp->u_arg[3]);
+			restore_cleared_syserror(tcp);
+		} else {
+			printaddr(tcp->u_arg[3]);
+		}
 	}
 	return 0;
 }
 
-#ifndef SIGEV_THREAD_ID
-# define SIGEV_THREAD_ID 4
-#endif
-static const struct xlat sigev_value[] = {
-	{ SIGEV_SIGNAL+1, "SIGEV_SIGNAL" },
-	{ SIGEV_NONE+1, "SIGEV_NONE" },
-	{ SIGEV_THREAD+1, "SIGEV_THREAD" },
-	{ SIGEV_THREAD_ID+1, "SIGEV_THREAD_ID" },
-	{ 0, NULL }
-};
-
-void
-printsigevent(tcp, arg)
-struct tcb *tcp;
-long arg;
+SYS_FUNC(clock_adjtime)
 {
-	struct sigevent sev;
-	if (umove (tcp, arg, &sev) < 0)
-		tprintf("{...}");
-	else {
-		tprintf("{%p, ", sev.sigev_value.sival_ptr);
-		if (sev.sigev_notify == SIGEV_SIGNAL)
-			tprintf("%s, ", signame(sev.sigev_signo));
-		else
-			tprintf("%u, ", sev.sigev_signo);
-		printxval(sigev_value, sev.sigev_notify+1, "SIGEV_???");
-		tprintf(", ");
-		if (sev.sigev_notify == SIGEV_THREAD_ID)
-			/* _pad[0] is the _tid field which might not be
-			   present in the userlevel definition of the
-			   struct.  */
-			tprintf("{%d}", sev._sigev_un._pad[0]);
-		else if (sev.sigev_notify == SIGEV_THREAD)
-			tprintf("{%p, %p}", sev.sigev_notify_function,
-				sev.sigev_notify_attributes);
-		else
-			tprintf("{...}");
-		tprintf("}");
-	}
+	if (exiting(tcp))
+		return do_adjtimex(tcp, tcp->u_arg[1]);
+	printclockname(tcp->u_arg[0]);
+	tprints(", ");
+	return 0;
 }
 
-int
-sys_timer_create(tcp)
-struct tcb *tcp;
+SYS_FUNC(timer_create)
 {
 	if (entering(tcp)) {
-		printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
-		tprintf(", ");
-		printsigevent(tcp, tcp->u_arg[1]);
-		tprintf(", ");
+		printclockname(tcp->u_arg[0]);
+		tprints(", ");
+		print_sigevent(tcp, tcp->u_arg[1]);
+		tprints(", ");
 	} else {
-		void *p;
-
-		if (syserror(tcp) || umove(tcp, tcp->u_arg[2], &p) < 0)
-			tprintf("%#lx", tcp->u_arg[2]);
-		else
-			tprintf("{%p}", p);
+		printnum_int(tcp, tcp->u_arg[2], "%d");
 	}
 	return 0;
 }
 
-int
-sys_timer_settime(tcp)
-struct tcb *tcp;
+SYS_FUNC(timer_settime)
 {
 	if (entering(tcp)) {
-		tprintf("%#lx, ", tcp->u_arg[0]);
+		tprintf("%d, ", (int) tcp->u_arg[0]);
 		printflags(clockflags, tcp->u_arg[1], "TIMER_???");
-		tprintf(", ");
-		printitv(tcp, tcp->u_arg[2]);
-		tprintf(", ");
+		tprints(", ");
+		print_itimerspec(tcp, tcp->u_arg[2]);
+		tprints(", ");
 	} else {
-		if (syserror(tcp))
-			tprintf("%#lx", tcp->u_arg[3]);
-		else
-			printitv(tcp, tcp->u_arg[3]);
+		print_itimerspec(tcp, tcp->u_arg[3]);
 	}
 	return 0;
 }
 
-int
-sys_timer_gettime(tcp)
-struct tcb *tcp;
+SYS_FUNC(timer_gettime)
 {
 	if (entering(tcp)) {
-		tprintf("%#lx, ", tcp->u_arg[0]);
+		tprintf("%d, ", (int) tcp->u_arg[0]);
 	} else {
-		if (syserror(tcp))
-			tprintf("%#lx", tcp->u_arg[1]);
-		else
-			printitv(tcp, tcp->u_arg[1]);
+		print_itimerspec(tcp, tcp->u_arg[1]);
 	}
 	return 0;
 }
 
-static void
-print_rtc(tcp, rt)
-struct tcb *tcp;
-const struct rtc_time *rt;
+#include "xlat/timerfdflags.h"
+
+SYS_FUNC(timerfd_create)
 {
-	tprintf("{tm_sec=%d, tm_min=%d, tm_hour=%d, "
-		"tm_mday=%d, tm_mon=%d, tm_year=%d, ",
-		rt->tm_sec, rt->tm_min, rt->tm_hour,
-		rt->tm_mday, rt->tm_mon, rt->tm_year);
-	if (!abbrev(tcp))
-		tprintf("tm_wday=%d, tm_yday=%d, tm_isdst=%d}",
-			rt->tm_wday, rt->tm_yday, rt->tm_isdst);
-	else
-		tprintf("...}");
+	printclockname(tcp->u_arg[0]);
+	tprints(", ");
+	printflags(timerfdflags, tcp->u_arg[1], "TFD_???");
+
+	return RVAL_DECODED | RVAL_FD;
 }
 
-int
-rtc_ioctl(tcp, code, arg)
-struct tcb *tcp;
-long code;
-long arg;
+SYS_FUNC(timerfd_settime)
 {
-	switch (code) {
-	case RTC_ALM_SET:
-	case RTC_SET_TIME:
-		if (entering(tcp)) {
-			struct rtc_time rt;
-			if (umove(tcp, arg, &rt) < 0)
-				tprintf(", %#lx", arg);
-			else {
-				tprintf(", ");
-				print_rtc(tcp, &rt);
-			}
-		}
-		break;
-	case RTC_ALM_READ:
-	case RTC_RD_TIME:
-		if (exiting(tcp)) {
-			struct rtc_time rt;
-			if (syserror(tcp) || umove(tcp, arg, &rt) < 0)
-				tprintf(", %#lx", arg);
-			else {
-				tprintf(", ");
-				print_rtc(tcp, &rt);
-			}
-		}
-		break;
-	case RTC_IRQP_SET:
-	case RTC_EPOCH_SET:
-		if (entering(tcp))
-			tprintf(", %lu", arg);
-		break;
-	case RTC_IRQP_READ:
-	case RTC_EPOCH_READ:
-		if (exiting(tcp))
-			tprintf(", %lu", arg);
-		break;
-	case RTC_WKALM_SET:
-		if (entering(tcp)) {
-			struct rtc_wkalrm wk;
-			if (umove(tcp, arg, &wk) < 0)
-				tprintf(", %#lx", arg);
-			else {
-				tprintf(", {enabled=%d, pending=%d, ",
-					wk.enabled, wk.pending);
-				print_rtc(tcp, &wk.time);
-				tprintf("}");
-			}
-		}
-		break;
-	case RTC_WKALM_RD:
-		if (exiting(tcp)) {
-			struct rtc_wkalrm wk;
-			if (syserror(tcp) || umove(tcp, arg, &wk) < 0)
-				tprintf(", %#lx", arg);
-			else {
-				tprintf(", {enabled=%d, pending=%d, ",
-					wk.enabled, wk.pending);
-				print_rtc(tcp, &wk.time);
-				tprintf("}");
-			}
-		}
-		break;
-	default:
-		if (entering(tcp))
-			tprintf(", %#lx", arg);
-		break;
+	if (entering(tcp)) {
+		printfd(tcp, tcp->u_arg[0]);
+		tprints(", ");
+		printflags(timerfdflags, tcp->u_arg[1], "TFD_???");
+		tprints(", ");
+		print_itimerspec(tcp, tcp->u_arg[2]);
+		tprints(", ");
+	} else {
+		print_itimerspec(tcp, tcp->u_arg[3]);
 	}
-	return 1;
+	return 0;
+}
+
+SYS_FUNC(timerfd_gettime)
+{
+	if (entering(tcp)) {
+		printfd(tcp, tcp->u_arg[0]);
+		tprints(", ");
+	} else {
+		print_itimerspec(tcp, tcp->u_arg[1]);
+	}
+	return 0;
 }
-#endif /* LINUX */