ust-fd: Add close_range declaration

[lttng-ust.git] / liblttng-ust / lttng-clock.c

diff --git a/liblttng-ust/lttng-clock.c b/liblttng-ust/lttng-clock.c
deleted file mode 100644 (file)
index 3cd26fb..0000000
--- 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();
-}