X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=liblttng-ust%2Fclock.h;h=d5548e90e4fe9a301f06fd6dc86ad400c80ff091;hb=HEAD;hp=a7e8eb7b49e062b1e5ebe9f24cd7d60278a4c64e;hpb=776860373a25f9dcbe68e2690a34d7c641e7ef00;p=lttng-ust.git

diff --git a/liblttng-ust/clock.h b/liblttng-ust/clock.h
deleted file mode 100644
index a7e8eb7b..00000000
--- a/liblttng-ust/clock.h
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- * Copyright (C) 2010  Pierre-Marc Fournier
- * Copyright (C) 2011  Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; version 2.1 of
- * the License.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
- */
-
-#ifndef _UST_CLOCK_H
-#define _UST_CLOCK_H
-
-#include <time.h>
-#include <sys/time.h>
-#include <stdint.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <urcu/system.h>
-#include <urcu/arch.h>
-#include <lttng/ust-clock.h>
-
-#include "lttng-ust-uuid.h"
-
-struct lttng_trace_clock {
-	uint64_t (*read64)(void);
-	uint64_t (*freq)(void);
-	int (*uuid)(char *uuid);
-	const char *(*name)(void);
-	const char *(*description)(void);
-};
-
-extern struct lttng_trace_clock *lttng_trace_clock;
-
-void lttng_ust_clock_init(void);
-
-/* Use the kernel MONOTONIC clock. */
-
-static __inline__
-uint64_t trace_clock_read64_monotonic(void)
-{
-	struct timespec ts;
-
-	if (caa_unlikely(clock_gettime(CLOCK_MONOTONIC, &ts))) {
-		ts.tv_sec = 0;
-		ts.tv_nsec = 0;
-	}
-	return ((uint64_t) ts.tv_sec * 1000000000ULL) + ts.tv_nsec;
-}
-
-static __inline__
-uint64_t trace_clock_freq_monotonic(void)
-{
-	return 1000000000ULL;
-}
-
-static __inline__
-int trace_clock_uuid_monotonic(char *uuid)
-{
-	int ret = 0;
-	size_t len;
-	FILE *fp;
-
-	/*
-	 * boot_id needs to be read once before being used concurrently
-	 * to deal with a Linux kernel race. A fix is proposed for
-	 * upstream, but the work-around is needed for older kernels.
-	 */
-	fp = fopen("/proc/sys/kernel/random/boot_id", "r");
-	if (!fp) {
-		return -ENOENT;
-	}
-	len = fread(uuid, 1, LTTNG_UST_UUID_STR_LEN - 1, fp);
-	if (len < LTTNG_UST_UUID_STR_LEN - 1) {
-		ret = -EINVAL;
-		goto end;
-	}
-	uuid[LTTNG_UST_UUID_STR_LEN - 1] = '\0';
-end:
-	fclose(fp);
-	return ret;
-}
-
-static __inline__
-const char *trace_clock_name_monotonic(void)
-{
-	return "monotonic";
-}
-
-static __inline__
-const char *trace_clock_description_monotonic(void)
-{
-	return "Monotonic Clock";
-}
-
-static __inline__
-uint64_t trace_clock_read64(void)
-{
-	struct lttng_trace_clock *ltc = CMM_LOAD_SHARED(lttng_trace_clock);
-
-	if (caa_likely(!ltc)) {
-		return trace_clock_read64_monotonic();
-	} else {
-		cmm_read_barrier_depends();	/* load ltc before content */
-		return ltc->read64();
-	}
-}
-
-static __inline__
-uint64_t trace_clock_freq(void)
-{
-	struct lttng_trace_clock *ltc = CMM_LOAD_SHARED(lttng_trace_clock);
-
-	if (!ltc) {
-		return trace_clock_freq_monotonic();
-	} else {
-		cmm_read_barrier_depends();	/* load ltc before content */
-		return ltc->freq();
-	}
-}
-
-static __inline__
-int trace_clock_uuid(char *uuid)
-{
-	struct lttng_trace_clock *ltc = CMM_LOAD_SHARED(lttng_trace_clock);
-
-	cmm_read_barrier_depends();	/* load ltc before content */
-	/* Use default UUID cb when NULL */
-	if (!ltc || !ltc->uuid) {
-		return trace_clock_uuid_monotonic(uuid);
-	} else {
-		return ltc->uuid(uuid);
-	}
-}
-
-static __inline__
-const char *trace_clock_name(void)
-{
-	struct lttng_trace_clock *ltc = CMM_LOAD_SHARED(lttng_trace_clock);
-
-	if (!ltc) {
-		return trace_clock_name_monotonic();
-	} else {
-		cmm_read_barrier_depends();	/* load ltc before content */
-		return ltc->name();
-	}
-}
-
-static __inline__
-const char *trace_clock_description(void)
-{
-	struct lttng_trace_clock *ltc = CMM_LOAD_SHARED(lttng_trace_clock);
-
-	if (!ltc) {
-		return trace_clock_description_monotonic();
-	} else {
-		cmm_read_barrier_depends();	/* load ltc before content */
-		return ltc->description();
-	}
-}
-
-#endif /* _UST_CLOCK_H */