diff options
Diffstat (limited to 'util/log.c')
| -rw-r--r-- | util/log.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/util/log.c b/util/log.c index d6eb0378c3..c2198badf2 100644 --- a/util/log.c +++ b/util/log.c @@ -42,6 +42,7 @@ static QemuMutex global_mutex; static char *global_filename; static FILE *global_file; static __thread FILE *thread_file; +static __thread Notifier qemu_log_thread_cleanup_notifier; int qemu_loglevel; static bool log_append; @@ -77,6 +78,12 @@ static int log_thread_id(void) #endif } +static void qemu_log_thread_cleanup(Notifier *n, void *unused) +{ + fclose(thread_file); + thread_file = NULL; +} + /* Lock/unlock output. */ FILE *qemu_log_trylock(void) @@ -93,6 +100,8 @@ FILE *qemu_log_trylock(void) return NULL; } thread_file = logfile; + qemu_log_thread_cleanup_notifier.notify = qemu_log_thread_cleanup; + qemu_thread_atexit_add(&qemu_log_thread_cleanup_notifier); } else { rcu_read_lock(); /* @@ -197,6 +206,15 @@ static bool qemu_set_log_internal(const char *filename, bool changed_name, QEMU_LOCK_GUARD(&global_mutex); logfile = global_file; + /* The per-thread flag is immutable. */ + if (log_per_thread) { + log_flags |= LOG_PER_THREAD; + } else { + if (global_filename) { + log_flags &= ~LOG_PER_THREAD; + } + } + per_thread = log_flags & LOG_PER_THREAD; if (changed_name) { |