diff options
| author | Robert Foley <robert.foley@linaro.org> | 2019-11-18 16:15:24 -0500 |
|---|---|---|
| committer | Alex Bennée <alex.bennee@linaro.org> | 2019-12-18 20:18:02 +0000 |
| commit | 045e8861df8ec0922b1c47929d23dd61d8b75f8c (patch) | |
| tree | 5c622eb3dbca33eebaed4f3b0c686b127f5bfd59 /util | |
| parent | 0f516ca4767042aec8716369d6d62436fa10593a (diff) | |
Cleaned up flow of code in qemu_set_log(), to simplify and clarify.
Also added some explanation of the reasoning behind the branches.
Signed-off-by: Robert Foley <robert.foley@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20191118211528.3221-3-robert.foley@linaro.org>
Diffstat (limited to 'util')
| -rw-r--r-- | util/log.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/util/log.c b/util/log.c index 4316fe74ee..417d16ec66 100644 --- a/util/log.c +++ b/util/log.c @@ -54,12 +54,25 @@ static bool log_uses_own_buffers; /* enable or disable low levels log */ void qemu_set_log(int log_flags) { + bool need_to_open_file = false; qemu_loglevel = log_flags; #ifdef CONFIG_TRACE_LOG qemu_loglevel |= LOG_TRACE; #endif - if (!qemu_logfile && - (is_daemonized() ? logfilename != NULL : qemu_loglevel)) { + /* + * In all cases we only log if qemu_loglevel is set. + * Also: + * If not daemonized we will always log either to stderr + * or to a file (if there is a logfilename). + * If we are daemonized, + * we will only log if there is a logfilename. + */ + if (qemu_loglevel && (!is_daemonized() || logfilename)) { + need_to_open_file = true; + } + if (qemu_logfile && !need_to_open_file) { + qemu_log_close(); + } else if (!qemu_logfile && need_to_open_file) { if (logfilename) { qemu_logfile = fopen(logfilename, log_append ? "a" : "w"); if (!qemu_logfile) { @@ -93,10 +106,6 @@ void qemu_set_log(int log_flags) log_append = 1; } } - if (qemu_logfile && - (is_daemonized() ? logfilename == NULL : !qemu_loglevel)) { - qemu_log_close(); - } } void qemu_log_needs_buffers(void) |