include/qemu/log: Move entire implementation out-of-line
Move QemuLogFile, qemu_logfile, and all inline functions into qemu/log.c.
No need to expose these implementation details in the api.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220417183019.755276-26-richard.henderson@linaro.org>
diff --git a/util/log.c b/util/log.c
index caa38e7..8b8b6a5 100644
--- a/util/log.c
+++ b/util/log.c
@@ -26,14 +26,42 @@
#include "trace/control.h"
#include "qemu/thread.h"
#include "qemu/lockable.h"
+#include "qemu/rcu.h"
+
+
+typedef struct QemuLogFile {
+ struct rcu_head rcu;
+ FILE *fd;
+} QemuLogFile;
static char *logfilename;
static QemuMutex qemu_logfile_mutex;
-QemuLogFile *qemu_logfile;
+static QemuLogFile *qemu_logfile;
int qemu_loglevel;
static int log_append = 0;
static GArray *debug_regions;
+/* Returns true if qemu_log() will really write somewhere. */
+bool qemu_log_enabled(void)
+{
+ return qemu_logfile != NULL;
+}
+
+/* Returns true if qemu_log() will write somewhere other than stderr. */
+bool qemu_log_separate(void)
+{
+ QemuLogFile *logfile;
+ bool res = false;
+
+ rcu_read_lock();
+ logfile = qatomic_rcu_read(&qemu_logfile);
+ if (logfile && logfile->fd != stderr) {
+ res = true;
+ }
+ rcu_read_unlock();
+ return res;
+}
+
/* Lock/unlock output. */
FILE *qemu_log_trylock(void)
