lib: add internal object pool API and use it; adapt plugins/tests

[babeltrace.git] / include / babeltrace / babeltrace-internal.h

diff --git a/include/babeltrace/babeltrace-internal.h b/include/babeltrace/babeltrace-internal.h
index 1c12a8be23f2ec7cb6687a3b539a90b27eb09573..1cf3af96331caf0e782937cb88978f4ee089e411 100644 (file)
--- a/include/babeltrace/babeltrace-internal.h
+++ b/include/babeltrace/babeltrace-internal.h
@@ -1,41 +1,90 @@
 #ifndef _BABELTRACE_INTERNAL_H
 #define _BABELTRACE_INTERNAL_H
 
+/*
+ * babeltrace/babeltrace-internal.h
+ *
+ * Copyright 2012 - 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.
+ */
 #include <stdio.h>
 #include <glib.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <babeltrace/compat/string-internal.h>
+#include <babeltrace/types.h>
 
-extern int babeltrace_verbose, babeltrace_debug;
-
-#define printf_verbose(fmt, args...)                           \
-       do {                                                    \
-               if (babeltrace_verbose)                         \
-                       printf("[verbose] " fmt, ## args);      \
-       } while (0)
-
-#define printf_debug(fmt, args...)                             \
-       do {                                                    \
-               if (babeltrace_debug)                           \
-                       printf("[debug] " fmt, ## args);        \
-       } while (0)
-
-#define likely(x)      __builtin_expect(!!(x), 1)
-#define unlikely(x)    __builtin_expect(!!(x), 0)
-
-struct trace_descriptor;
-struct trace_collection {
-       GPtrArray *array; /* struct trace_descriptor */
-};
-
-extern int opt_all_field_names,
-       opt_scope_field_names,
-       opt_header_field_names,
-       opt_context_field_names,
-       opt_payload_field_names,
-       opt_trace_name,
-       opt_trace_domain,
-       opt_trace_procname,
-       opt_trace_vpid,
-       opt_loglevel,
-       opt_delta;
+#define PERROR_BUFLEN  200
+
+#ifndef likely
+# ifdef __GNUC__
+#  define likely(x)      __builtin_expect(!!(x), 1)
+# else
+#  define likely(x)      (!!(x))
+# endif
+#endif
+
+#ifndef unlikely
+# ifdef __GNUC__
+#  define unlikely(x)    __builtin_expect(!!(x), 0)
+# else
+#  define unlikely(x)    (!!(x))
+# endif
+#endif
+
+#ifndef min
+#define min(a, b)      (((a) < (b)) ? (a) : (b))
+#endif
+
+#ifndef max
+#define max(a, b)      (((a) > (b)) ? (a) : (b))
+#endif
+
+#ifndef max_t
+#define max_t(type, a, b)      \
+       ((type) (a) > (type) (b) ? (type) (a) : (type) (b))
+#endif
+
+/*
+ * Memory allocation zeroed
+ */
+#define zmalloc(x) calloc(1, x)
+
+/*
+ * BT_HIDDEN: set the hidden attribute for internal functions
+ * On Windows, symbols are local unless explicitly exported,
+ * see https://gcc.gnu.org/wiki/Visibility
+ */
+#if defined(_WIN32) || defined(__CYGWIN__)
+#define BT_HIDDEN
+#else
+#define BT_HIDDEN __attribute__((visibility("hidden")))
+#endif
+
+#ifndef __STRINGIFY
+#define __STRINGIFY(x) #x
+#endif
+
+#define TOSTRING(x)    __STRINGIFY(x)
+
+#define BT_UNUSED      __attribute__((unused))
 
 #endif