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authorRichard Henderson <richard.henderson@linaro.org>2022-04-17 11:30:15 -0700
committerRichard Henderson <richard.henderson@linaro.org>2022-04-20 10:51:11 -0700
commitbeab3447dbb1363654760c34b53226814c64de99 (patch)
tree77a0c2aecc8d4b0b83fcb2151444e90923571e49 /util
parent702979f736a13aded68b7a14a46a7b33b752cce5 (diff)
util/log: Hoist the eval of is_daemonized in qemu_set_log_internal
Only call is_daemonized once. We require the result on all paths after this point. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20220417183019.755276-36-richard.henderson@linaro.org>
Diffstat (limited to 'util')
-rw-r--r--util/log.c8
1 files 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;
}