[v1] Logging cleanup and per-thread logfiles

[PULL for-7.1 33/36] util/log: Combine two logfile closes

Richard Henderson posted 36 patches 3 years, 10 months ago

Diff against v1 v2 v3
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Maintainers: Richard Henderson <richard.henderson@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, Warner Losh <imp@bsdimp.com>, Kyle Evans <kevans@freebsd.org>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Philippe Mathieu-Daudé" <f4bug@amsat.org>, Yanan Wang <wangyanan55@huawei.com>, Pavel Pisa <pisa@cmp.felk.cvut.cz>, Vikram Garhwal <fnu.vikram@xilinx.com>, Jason Wang <jasowang@redhat.com>, Stefano Stabellini <sstabellini@kernel.org>, Anthony Perard <anthony.perard@citrix.com>, Paul Durrant <paul@xen.org>, Stefan Weil <sw@weilnetz.de>, Laurent Vivier <laurent@vivier.eu>, "Dr. David Alan Gilbert" <dgilbert@redhat.com>, Markus Armbruster <armbru@redhat.com>, Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, Eric Blake <eblake@redhat.com>, Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>, Fam Zheng <fam@euphon.net>, Peter Maydell <peter.maydell@linaro.org>, Michael Rolnik <mrolnik@gmail.com>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Taylor Simpson <tsimpson@quicinc.com>, Aurelien Jarno <aurelien@aurel32.net>, Jiaxun Yang <jiaxun.yang@flygoat.com>, Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>, Chris Wulff <crwulff@gmail.com>, Marek Vasut <marex@denx.de>, Stafford Horne <shorne@gmail.com>, "Cédric Le Goater" <clg@kaod.org>, Daniel Henrique Barboza <danielhb413@gmail.com>, David Gibson <david@gibson.dropbear.id.au>, Greg Kurz <groug@kaod.org>, Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <alistair.francis@wdc.com>, Bin Meng <bin.meng@windriver.com>, Yoshinori Sato <ysato@users.sourceforge.jp>, David Hildenbrand <david@redhat.com>, Cornelia Huck <cohuck@redhat.com>, Thomas Huth <thuth@redhat.com>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, Artyom Tarasenko <atar4qemu@gmail.com>, Bastian Koppelmann <kbastian@mail.uni-paderborn.de>, Max Filippov <jcmvbkbc@gmail.com>

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[PULL for-7.1 33/36] util/log: Combine two logfile closes

Posted by Richard Henderson 3 years, 10 months ago

Merge the close from the changed_name block with the close
from the !need_to_open_file block.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 util/log.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/util/log.c b/util/log.c
index f1f6d09c90..596de0050f 100644
--- a/util/log.c
+++ b/util/log.c
@@ -166,12 +166,6 @@ static void qemu_set_log_internal(const char *filename, bool changed_name,
         g_free(global_filename);
         global_filename = newname;
         filename = newname;
-
-        if (logfile) {
-            qatomic_rcu_set(&global_file, NULL);
-            call_rcu(logfile, qemu_logfile_free, rcu);
-            logfile = NULL;
-        }
     } else {
         filename = global_filename;
     }
@@ -191,11 +185,12 @@ static void qemu_set_log_internal(const char *filename, bool changed_name,
     daemonized = is_daemonized();
     need_to_open_file = log_flags && (!daemonized || filename);
 
-    if (logfile && !need_to_open_file) {
+    if (logfile && (!need_to_open_file || changed_name)) {
         qatomic_rcu_set(&global_file, NULL);
         call_rcu(logfile, qemu_logfile_free, rcu);
-        return;
+        logfile = NULL;
     }
+
     if (!logfile && need_to_open_file) {
         FILE *fd;
 
-- 
2.25.1