logging: add new log_targets_reopen() function
This function will re-open all existing log files in the application,
praticularly useful for SIGHUP handlers in case of logrotate
diff --git a/include/osmocom/core/logging.h b/include/osmocom/core/logging.h
index fa3365a..1d57e22 100644
--- a/include/osmocom/core/logging.h
+++ b/include/osmocom/core/logging.h
@@ -203,6 +203,7 @@
struct log_target *log_target_create_syslog(const char *ident, int option,
int facility);
int log_target_file_reopen(struct log_target *tgt);
+int log_targets_reopen(void);
void log_add_target(struct log_target *target);
void log_del_target(struct log_target *target);