X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=liblttng-ust%2Flttng-clock.c;h=877b5d61955d3f081c0e3f6bdcd85172fb17e59c;hb=HEAD;hp=3cd26fb34f839467eccf4e8d7346611687beafac;hpb=c0c0989ab70574e09b2f7e8b48c2da6af664a849;p=lttng-ust.git

diff --git a/liblttng-ust/lttng-clock.c b/liblttng-ust/lttng-clock.c
deleted file mode 100644
index 3cd26fb3..00000000
--- a/liblttng-ust/lttng-clock.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * SPDX-License-Identifier: LGPL-2.1-only
- *
- * Copyright (C) 2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- */
-
-#define _LGPL_SOURCE
-#include <error.h>
-#include <dlfcn.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <usterr-signal-safe.h>
-#include <lttng/ust-clock.h>
-#include <urcu/system.h>
-#include <urcu/arch.h>
-
-#include "clock.h"
-#include "getenv.h"
-
-struct lttng_trace_clock *lttng_trace_clock;
-
-static
-struct lttng_trace_clock user_tc;
-
-static
-void *clock_handle;
-
-int lttng_ust_trace_clock_set_read64_cb(uint64_t (*read64)(void))
-{
-	if (CMM_LOAD_SHARED(lttng_trace_clock))
-		return -EBUSY;
-	user_tc.read64 = read64;
-	return 0;
-}
-
-int lttng_ust_trace_clock_set_freq_cb(uint64_t (*freq)(void))
-{
-	if (CMM_LOAD_SHARED(lttng_trace_clock))
-		return -EBUSY;
-	user_tc.freq = freq;
-	return 0;
-}
-
-int lttng_ust_trace_clock_set_uuid_cb(int (*uuid)(char *uuid))
-{
-	if (CMM_LOAD_SHARED(lttng_trace_clock))
-		return -EBUSY;
-	user_tc.uuid = uuid;
-	return 0;
-}
-
-int lttng_ust_trace_clock_set_name_cb(const char *(*name)(void))
-{
-	if (CMM_LOAD_SHARED(lttng_trace_clock))
-		return -EBUSY;
-	user_tc.name = name;
-	return 0;
-}
-
-int lttng_ust_trace_clock_set_description_cb(const char *(*description)(void))
-{
-	if (CMM_LOAD_SHARED(lttng_trace_clock))
-		return -EBUSY;
-	user_tc.description = description;
-	return 0;
-}
-
-int lttng_ust_enable_trace_clock_override(void)
-{
-	if (CMM_LOAD_SHARED(lttng_trace_clock))
-		return -EBUSY;
-	if (!user_tc.read64)
-		return -EINVAL;
-	if (!user_tc.freq)
-		return -EINVAL;
-	if (!user_tc.name)
-		return -EINVAL;
-	if (!user_tc.description)
-		return -EINVAL;
-	/* Use default uuid cb when NULL */
-	cmm_smp_mb();	/* Store callbacks before trace clock */
-	CMM_STORE_SHARED(lttng_trace_clock, &user_tc);
-	return 0;
-}
-
-void lttng_ust_clock_init(void)
-{
-	const char *libname;
-	void (*libinit)(void);
-
-	if (clock_handle)
-		return;
-	libname = lttng_getenv("LTTNG_UST_CLOCK_PLUGIN");
-	if (!libname)
-		return;
-	clock_handle = dlopen(libname, RTLD_NOW);
-	if (!clock_handle) {
-		PERROR("Cannot load LTTng UST clock override library %s",
-			libname);
-		return;
-	}
-	dlerror();
-	libinit = (void (*)(void)) dlsym(clock_handle,
-		"lttng_ust_clock_plugin_init");
-	if (!libinit) {
-		PERROR("Cannot find LTTng UST clock override library %s initialization function lttng_ust_clock_plugin_init()",
-			libname);
-		return;
-	}
-	libinit();
-}