*/
/*
- * The macros in this header use macros defined in
- * <logging/log.h>. We don't want this header to
- * automatically include <logging/log.h> because you
- * need to manually define BT_LOG_TAG before including
- * <logging/log.h> and it is unexpected that you
- * also need to define it before including this header.
- *
- * This is a reminder that in order to use
- * <ctf-writer/assert-pre.h>, you also need to use logging
- * explicitly.
+ * The macros in this header use macros defined in "logging/log.h". We
+ * don't want this header to automatically include "logging/log.h"
+ * because you need to manually define BT_LOG_TAG before including
+ * "logging/log.h" and it is unexpected that you also need to define it
+ * before including this header.
+ *
+ * This is a reminder that in order to use "ctf-writer/assert-pre.h",
+ * you also need to use logging explicitly.
*/
-#ifndef BABELTRACE_LOGGING_INTERNAL_H
-# error Include <logging/log.h> before this header.
+#ifndef BT_LOG_SUPPORTED
+# error Include "logging/log.h" before this header.
#endif
+#include <stdbool.h>
#include <stdlib.h>
#include <inttypes.h>
#include "common/macros.h"
#ifdef BT_DEV_MODE
+/*
+ * Prints the details of an unsatisfied precondition without immediately
+ * aborting. You should use this within a function which checks
+ * preconditions, but which is called from a BT_CTF_ASSERT_PRE()
+ * context, so that the function can still return its result for
+ * BT_CTF_ASSERT_PRE() to evaluate it.
+ *
+ * Example:
+ *
+ * BT_CTF_ASSERT_PRE_FUNC
+ * static inline bool check_complex_precond(...)
+ * {
+ * ...
+ *
+ * if (...) {
+ * BT_CTF_ASSERT_PRE_MSG("Invalid object: ...", ...);
+ * return false;
+ * }
+ *
+ * ...
+ * }
+ *
+ * ...
+ *
+ * BT_CTF_ASSERT_PRE(check_complex_precond(...),
+ * "Precondition is not satisfied: ...", ...);
+ */
+# define BT_CTF_ASSERT_PRE_MSG(_fmt, ...) \
+ do { \
+ _bt_log_write_d(_BT_LOG_SRCLOC_FUNCTION, __FILE__, \
+ __LINE__, BT_LOG_FATAL, BT_LOG_TAG, (_fmt), \
+ ##__VA_ARGS__); \
+ } while (0)
+
/*
* Asserts that the library precondition _cond is satisfied.
*
* arguments using BT_LOGF(), and abort.
*
* To assert that a postcondition is satisfied or that some internal
- * object/context/value is in the expected state, use BT_ASSERT().
+ * object/context/value is in the expected state, use BT_ASSERT_DBG().
*/
# define BT_CTF_ASSERT_PRE(_cond, _fmt, ...) \
do { \
if (!(_cond)) { \
- BT_LOGF_STR("Library precondition not satisfied; error is:"); \
- BT_LOGF((_fmt), ##__VA_ARGS__); \
- BT_LOGF_STR("Aborting..."); \
- abort(); \
+ BT_CTF_ASSERT_PRE_MSG("CTF writer precondition not satisfied; error is:"); \
+ BT_CTF_ASSERT_PRE_MSG((_fmt), ##__VA_ARGS__); \
+ BT_CTF_ASSERT_PRE_MSG("Aborting..."); \
+ bt_common_abort(); \
} \
} while (0)
* BT_CTF_ASSERT_PRE(check_complex_precond(...),
* "Precondition is not satisfied: ...", ...);
*/
-# define BT_CTF_ASSERT_PRE_MSG BT_LOGF
#else
# define BT_CTF_ASSERT_PRE(_cond, _fmt, ...) ((void) sizeof((void) (_cond), 0))
# define BT_CTF_ASSERT_PRE_FUNC __attribute__((unused))
* Developer mode: asserts that a given variable is not NULL.
*/
#define BT_CTF_ASSERT_PRE_NON_NULL(_obj, _obj_name) \
- BT_CTF_ASSERT_PRE((_obj) != NULL, "%s is NULL: ", _obj_name)
+ BT_CTF_ASSERT_PRE((_obj), "%s is NULL: ", _obj_name)
/*
* Developer mode: asserts that a given object is NOT frozen. This macro