lib: add internal object pool API and use it; adapt plugins/tests
[babeltrace.git] / include / babeltrace / babeltrace-internal.h
index 1e3631c54a275a74ab61581d007fbc5880072387..1cf3af96331caf0e782937cb88978f4ee089e411 100644 (file)
 #include <stdio.h>
 #include <glib.h>
 #include <stdint.h>
-#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <babeltrace/compat/string-internal.h>
+#include <babeltrace/types.h>
 
 #define PERROR_BUFLEN  200
 
-extern int babeltrace_verbose, babeltrace_debug;
-
-#define printf_verbose(fmt, args...)                                   \
-       do {                                                            \
-               if (babeltrace_verbose)                                 \
-                       fprintf(stdout, "[verbose] " fmt, ## args);     \
-       } while (0)
-
-#define printf_debug(fmt, args...)                                     \
-       do {                                                            \
-               if (babeltrace_debug)                                   \
-                       fprintf(stdout, "[debug] " fmt, ## args);       \
-       } while (0)
-
-#define _bt_printf(fp, kindstr, fmt, args...)                          \
-       fprintf(fp, "[%s]%s%s%s: " fmt "\n",                            \
-               kindstr,                                                \
-               babeltrace_debug ? " \"" : "",                          \
-               babeltrace_debug ? __func__ : "",                       \
-               babeltrace_debug ? "\"" : "",                           \
-               ## args)
-
-#define _bt_printfl(fp, kindstr, lineno, fmt, args...)                 \
-       fprintf(fp, "[%s]%s%s%s at line %u: " fmt "\n",                 \
-               kindstr,                                                \
-               babeltrace_debug ? " \"" : "",                          \
-               babeltrace_debug ? __func__ : "",                       \
-               babeltrace_debug ? "\"" : "",                           \
-               lineno,                                                 \
-               ## args)
-
-#define _bt_printfe(fp, kindstr, perrorstr, fmt, args...)              \
-       fprintf(fp, "[%s]%s%s%s: %s: " fmt "\n",                        \
-               kindstr,                                                \
-               babeltrace_debug ? " \"" : "",                          \
-               babeltrace_debug ? __func__ : "",                       \
-               babeltrace_debug ? "\"" : "",                           \
-               perrorstr,                                              \
-               ## args)
-
-#define _bt_printfle(fp, kindstr, lineno, perrorstr, fmt, args...)     \
-       fprintf(fp, "[%s]%s%s%s at line %u: %s: " fmt "\n",             \
-               kindstr,                                                \
-               babeltrace_debug ? " \"" : "",                          \
-               babeltrace_debug ? __func__ : "",                       \
-               babeltrace_debug ? "\"" : "",                           \
-               lineno,                                                 \
-               perrorstr,                                              \
-               ## args)
-
-#if !defined(__linux__) || ((_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !defined(_GNU_SOURCE))
-
-#define _bt_printf_perror(fp, fmt, args...)                            \
-       ({                                                              \
-               char buf[PERROR_BUFLEN] = "Error in strerror_r()";      \
-               strerror_r(errno, buf, sizeof(buf));                    \
-               _bt_printfe(fp, "error", buf, fmt, ## args);            \
-       })
-
-#define _bt_printfl_perror(fp, lineno, fmt, args...)                   \
-       ({                                                              \
-               char buf[PERROR_BUFLEN] = "Error in strerror_r()";      \
-               strerror_r(errno, buf, sizeof(buf));                    \
-               _bt_printfle(fp, "error", lineno, buf, fmt, ## args);   \
-       })
-
-#else
-
-/*
- * Version using GNU strerror_r, for linux with appropriate defines.
- */
-
-#define _bt_printf_perror(fp, fmt, args...)                            \
-       ({                                                              \
-               char *buf;                                              \
-               char tmp[PERROR_BUFLEN] = "Error in strerror_r()";      \
-               buf = strerror_r(errno, tmp, sizeof(tmp));              \
-               _bt_printfe(fp, "error", buf, fmt, ## args);            \
-       })
-
-#define _bt_printfl_perror(fp, lineno, fmt, args...)                   \
-       ({                                                              \
-               char *buf;                                              \
-               char tmp[PERROR_BUFLEN] = "Error in strerror_r()";      \
-               buf = strerror_r(errno, tmp, sizeof(tmp));              \
-               _bt_printfle(fp, "error", lineno, buf, fmt, ## args);   \
-       })
-
-#endif
-
-/* printf without lineno information */
-#define printf_fatal(fmt, args...)                                     \
-       _bt_printf(stderr, "fatal", fmt, ## args)
-#define printf_error(fmt, args...)                                     \
-       _bt_printf(stderr, "error", fmt, ## args)
-#define printf_warning(fmt, args...)                                   \
-       _bt_printf(stderr, "warning", fmt, ## args)
-#define printf_perror(fmt, args...)                                    \
-       _bt_printf_perror(stderr, fmt, ## args)
-
-/* printf with lineno information */
-#define printfl_fatal(lineno, fmt, args...)                            \
-       _bt_printfl(stderr, "fatal", lineno, fmt, ## args)
-#define printfl_error(lineno, fmt, args...)                            \
-       _bt_printfl(stderr, "error", lineno, fmt, ## args)
-#define printfl_warning(lineno, fmt, args...)                          \
-       _bt_printfl(stderr, "warning", lineno, fmt, ## args)
-#define printfl_perror(lineno, fmt, args...)                           \
-       _bt_printfl_perror(stderr, lineno, fmt, ## args)
-
-/* printf with node lineno information */
-#define printfn_fatal(node, fmt, args...)                              \
-       _bt_printfl(stderr, "fatal", (node)->lineno, fmt, ## args)
-#define printfn_error(node, fmt, args...)                              \
-       _bt_printfl(stderr, "error", (node)->lineno, fmt, ## args)
-#define printfn_warning(node, fmt, args...)                            \
-       _bt_printfl(stderr, "warning", (node)->lineno, fmt, ## args)
-#define printfn_perror(node, fmt, args...)                             \
-       _bt_printfl_perror(stderr, (node)->lineno, fmt, ## args)
-
-/* fprintf with Node lineno information */
-#define fprintfn_fatal(fp, node, fmt, args...)                         \
-       _bt_printfl(fp, "fatal", (node)->lineno, fmt, ## args)
-#define fprintfn_error(fp, node, fmt, args...)                         \
-       _bt_printfl(fp, "error", (node)->lineno, fmt, ## args)
-#define fprintfn_warning(fp, node, fmt, args...)                       \
-       _bt_printfl(fp, "warning", (node)->lineno, fmt, ## args)
-#define fprintfn_perror(fp, node, fmt, args...)                                \
-       _bt_printfl_perror(fp, (node)->lineno, fmt, ## args)
-
 #ifndef likely
 # ifdef __GNUC__
 #  define likely(x)      __builtin_expect(!!(x), 1)
@@ -177,45 +50,41 @@ extern int babeltrace_verbose, babeltrace_debug;
 # 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
 
-struct bt_trace_descriptor;
-struct trace_collection {
-       GPtrArray *array;       /* struct bt_trace_descriptor */
-       GHashTable *clocks;     /* struct ctf_clock */
-
-       uint64_t single_clock_offset_avg;
-       uint64_t offset_first;
-       int64_t delta_offset_first_sum;
-       int offset_nr;
-       int clock_use_offset_avg;
-};
+#ifndef __STRINGIFY
+#define __STRINGIFY(x) #x
+#endif
 
-extern int opt_all_field_names,
-       opt_scope_field_names,
-       opt_header_field_names,
-       opt_context_field_names,
-       opt_payload_field_names,
-       opt_all_fields,
-       opt_trace_field,
-       opt_trace_domain_field,
-       opt_trace_procname_field,
-       opt_trace_vpid_field,
-       opt_trace_hostname_field,
-       opt_trace_default_fields,
-       opt_loglevel_field,
-       opt_emf_field,
-       opt_callsite_field,
-       opt_delta_field,
-       opt_clock_cycles,
-       opt_clock_seconds,
-       opt_clock_date,
-       opt_clock_gmt,
-       opt_clock_force_correlate;
+#define TOSTRING(x)    __STRINGIFY(x)
 
-extern uint64_t opt_clock_offset;
+#define BT_UNUSED      __attribute__((unused))
 
 #endif
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