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[PATCH v2 35/39] util/log: Hoist the eval of is_daemonized in qemu_set_l
From: |
Richard Henderson |
Subject: |
[PATCH v2 35/39] util/log: Hoist the eval of is_daemonized in qemu_set_log_internal |
Date: |
Sat, 26 Mar 2022 07:25:30 -0600 |
Only call is_daemonized once.
We require the result on all paths after this point.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
util/log.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/util/log.c b/util/log.c
index bb201664ac..631856e231 100644
--- a/util/log.c
+++ b/util/log.c
@@ -123,6 +123,7 @@ static bool qemu_set_log_internal(const char *filename,
bool changed_name,
int log_flags, Error **errp)
{
bool need_to_open_file;
+ bool daemonized;
QemuLogFile *logfile;
QEMU_LOCK_GUARD(&global_mutex);
@@ -178,7 +179,8 @@ static bool qemu_set_log_internal(const char *filename,
bool changed_name,
* or to a file (if there is a filename).
* If we are daemonized, we will only log if there is a filename.
*/
- need_to_open_file = log_flags && (!is_daemonized() || filename);
+ daemonized = is_daemonized();
+ need_to_open_file = log_flags && (!daemonized || filename);
if (logfile && !need_to_open_file) {
qatomic_rcu_set(&global_file, NULL);
@@ -196,7 +198,7 @@ static bool qemu_set_log_internal(const char *filename,
bool changed_name,
return false;
}
/* In case we are a daemon redirect stderr to logfile */
- if (is_daemonized()) {
+ if (daemonized) {
dup2(fileno(fd), STDERR_FILENO);
fclose(fd);
/* This will skip closing logfile in qemu_logfile_free. */
@@ -204,7 +206,7 @@ static bool qemu_set_log_internal(const char *filename,
bool changed_name,
}
} else {
/* Default to stderr if no log file specified */
- assert(!is_daemonized());
+ assert(!daemonized);
fd = stderr;
}
--
2.25.1
- [PATCH v2 18/39] util/log: Mark qemu_log_trylock as G_GNUC_WARN_UNUSED_RESULT, (continued)
- [PATCH v2 18/39] util/log: Mark qemu_log_trylock as G_GNUC_WARN_UNUSED_RESULT, Richard Henderson, 2022/03/26
- [PATCH v2 17/39] util/log: Drop return value from qemu_log, Richard Henderson, 2022/03/26
- [PATCH v2 21/39] bsd-user: Expand log_page_dump inline, Richard Henderson, 2022/03/26
- [PATCH v2 23/39] tests/unit: Do not reference QemuLogFile directly, Richard Henderson, 2022/03/26
- [PATCH v2 22/39] linux-user: Expand log_page_dump inline, Richard Henderson, 2022/03/26
- [PATCH v2 27/39] util/log: Introduce qemu_set_log_filename_flags, Richard Henderson, 2022/03/26
- [PATCH v2 33/39] util/log: Rename qemu_logfile to global_file, Richard Henderson, 2022/03/26
- [PATCH v2 34/39] util/log: Rename qemu_logfile_mutex to global_mutex, Richard Henderson, 2022/03/26
- [PATCH v2 32/39] util/log: Rename logfilename to global_filename, Richard Henderson, 2022/03/26
- [PATCH v2 36/39] util/log: Combine two logfile closes, Richard Henderson, 2022/03/26
- [PATCH v2 35/39] util/log: Hoist the eval of is_daemonized in qemu_set_log_internal,
Richard Henderson <=
- [PATCH v2 37/39] util/log: Rename QemuLogFile to RCUCloseFILE, Richard Henderson, 2022/03/26
- [PATCH v2 38/39] util/log: Limit RCUCloseFILE to file closing, Richard Henderson, 2022/03/26
- [PATCH v2 39/39] util/log: Support per-thread log files, Richard Henderson, 2022/03/26