Fix: pass private data to context callbacks

[lttng-ust.git] / libcounter / counter.h

diff --git a/libcounter/counter.h b/libcounter/counter.h
index e325fc870f6b08e6f0a947ee82687b60e168d7af..aa86f158a80db8fba308f7d734cf1cd05e579014 100644 (file)
--- a/libcounter/counter.h
+++ b/libcounter/counter.h
@@ -1,27 +1,9 @@
 /*
- * lttng/counter.h
- *
- * LTTng Counters API
+ * SPDX-License-Identifier: MIT
  *
  * Copyright (C) 2020 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
+ * LTTng Counters API
  */
 
 #ifndef _LTTNG_COUNTER_H
@@ -30,10 +12,8 @@
 #include <stdint.h>
 #include <lttng/ust-config.h>
 #include "counter-types.h"
-#include "helper.h"
 
 /* max_nr_elem is for each dimension. */
-LTTNG_HIDDEN
 struct lib_counter *lttng_counter_create(const struct lib_counter_config *config,
                                         size_t nr_dimensions,
                                         const size_t *max_nr_elem,
@@ -41,35 +21,41 @@ struct lib_counter *lttng_counter_create(const struct lib_counter_config *config
                                         int global_counter_fd,
                                         int nr_counter_cpu_fds,
                                         const int *counter_cpu_fds,
-                                        bool is_daemon);
-LTTNG_HIDDEN
-void lttng_counter_destroy(struct lib_counter *counter);
+                                        bool is_daemon)
+       __attribute__((visibility("hidden")));
 
-LTTNG_HIDDEN
-int lttng_counter_set_global_shm(struct lib_counter *counter, int fd);
-LTTNG_HIDDEN
-int lttng_counter_set_cpu_shm(struct lib_counter *counter, int cpu, int fd);
+void lttng_counter_destroy(struct lib_counter *counter)
+       __attribute__((visibility("hidden")));
 
-LTTNG_HIDDEN
-int lttng_counter_get_global_shm(struct lib_counter *counter, int *fd, size_t *len);
-LTTNG_HIDDEN
-int lttng_counter_get_cpu_shm(struct lib_counter *counter, int cpu, int *fd, size_t *len);
+int lttng_counter_set_global_shm(struct lib_counter *counter, int fd)
+       __attribute__((visibility("hidden")));
+
+int lttng_counter_set_cpu_shm(struct lib_counter *counter, int cpu, int fd)
+       __attribute__((visibility("hidden")));
+
+int lttng_counter_get_global_shm(struct lib_counter *counter, int *fd, size_t *len)
+       __attribute__((visibility("hidden")));
+
+int lttng_counter_get_cpu_shm(struct lib_counter *counter, int cpu, int *fd, size_t *len)
+       __attribute__((visibility("hidden")));
 
-LTTNG_HIDDEN
 int lttng_counter_read(const struct lib_counter_config *config,
                       struct lib_counter *counter,
                       const size_t *dimension_indexes,
                       int cpu, int64_t *value,
-                      bool *overflow, bool *underflow);
-LTTNG_HIDDEN
+                      bool *overflow, bool *underflow)
+       __attribute__((visibility("hidden")));
+
 int lttng_counter_aggregate(const struct lib_counter_config *config,
                            struct lib_counter *counter,
                            const size_t *dimension_indexes,
                            int64_t *value,
-                           bool *overflow, bool *underflow);
-LTTNG_HIDDEN
+                           bool *overflow, bool *underflow)
+       __attribute__((visibility("hidden")));
+
 int lttng_counter_clear(const struct lib_counter_config *config,
                        struct lib_counter *counter,
-                       const size_t *dimension_indexes);
+                       const size_t *dimension_indexes)
+       __attribute__((visibility("hidden")));
 
 #endif /* _LTTNG_COUNTER_H */