diff mbox series

[PULL,for-7.1,34/36] util/log: Rename QemuLogFile to RCUCloseFILE

Message ID 20220320171135.2704502-35-richard.henderson@linaro.org
State Superseded
Headers show
Series Logging cleanup and per-thread logfiles | expand

Commit Message

Richard Henderson March 20, 2022, 5:11 p.m. UTC 
s/QemuLogFile/RCUCloseFILE/
s/qemu_logfile_free/rcu_close_file/

Emphasize that this is only a carrier for passing a pointer
to call_rcu for closing, and not the real logfile.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 util/log.c | 28 +++++++++++++---------------
 1 file changed, 13 insertions(+), 15 deletions(-)

Comments

Philippe Mathieu-Daudé March 20, 2022, 9:58 p.m. UTC | #1 
On 20/3/22 18:11, Richard Henderson wrote:
> s/QemuLogFile/RCUCloseFILE/
> s/qemu_logfile_free/rcu_close_file/
> 
> Emphasize that this is only a carrier for passing a pointer
> to call_rcu for closing, and not the real logfile.
> 
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   util/log.c | 28 +++++++++++++---------------
>   1 file changed, 13 insertions(+), 15 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
diff mbox series

Patch

diff --git a/util/log.c b/util/log.c
index 596de0050f..e966d1091d 100644
--- a/util/log.c
+++ b/util/log.c
@@ -29,15 +29,15 @@ 
 #include "qemu/rcu.h"
 
 
-typedef struct QemuLogFile {
+typedef struct RCUCloseFILE {
     struct rcu_head rcu;
     FILE *fd;
-} QemuLogFile;
+} RCUCloseFILE;
 
 /* Mutex covering the other global_* variables. */
 static QemuMutex global_mutex;
 static char *global_filename;
-static QemuLogFile *global_file;
+static RCUCloseFILE *global_file;
 
 int qemu_loglevel;
 static int log_append = 0;
@@ -52,7 +52,7 @@  bool qemu_log_enabled(void)
 /* Returns true if qemu_log() will write somewhere other than stderr. */
 bool qemu_log_separate(void)
 {
-    QemuLogFile *logfile;
+    RCUCloseFILE *logfile;
     bool res = false;
 
     rcu_read_lock();
@@ -68,7 +68,7 @@  bool qemu_log_separate(void)
 
 FILE *qemu_log_lock(void)
 {
-    QemuLogFile *logfile;
+    RCUCloseFILE *logfile;
 
     rcu_read_lock();
     logfile = qatomic_rcu_read(&global_file);
@@ -117,14 +117,12 @@  static void __attribute__((__constructor__)) startup(void)
     qemu_mutex_init(&global_mutex);
 }
 
-static void qemu_logfile_free(QemuLogFile *logfile)
+static void rcu_close_file(RCUCloseFILE *r)
 {
-    g_assert(logfile);
-
-    if (logfile->fd != stderr) {
-        fclose(logfile->fd);
+    if (r->fd != stderr) {
+        fclose(r->fd);
     }
-    g_free(logfile);
+    g_free(r);
 }
 
 /* enable or disable low levels log */
@@ -133,7 +131,7 @@  static void qemu_set_log_internal(const char *filename, bool changed_name,
 {
     bool need_to_open_file;
     bool daemonized;
-    QemuLogFile *logfile;
+    RCUCloseFILE *logfile;
 
     QEMU_LOCK_GUARD(&global_mutex);
     logfile = global_file;
@@ -187,7 +185,7 @@  static void qemu_set_log_internal(const char *filename, bool changed_name,
 
     if (logfile && (!need_to_open_file || changed_name)) {
         qatomic_rcu_set(&global_file, NULL);
-        call_rcu(logfile, qemu_logfile_free, rcu);
+        call_rcu(logfile, rcu_close_file, rcu);
         logfile = NULL;
     }
 
@@ -205,7 +203,7 @@  static void qemu_set_log_internal(const char *filename, bool changed_name,
             if (daemonized) {
                 dup2(fileno(fd), STDERR_FILENO);
                 fclose(fd);
-                /* This will skip closing logfile in qemu_logfile_free. */
+                /* This will skip closing logfile in rcu_close_file. */
                 fd = stderr;
             }
         } else {
@@ -216,7 +214,7 @@  static void qemu_set_log_internal(const char *filename, bool changed_name,
 
         log_append = 1;
 
-        logfile = g_new0(QemuLogFile, 1);
+        logfile = g_new0(RCUCloseFILE, 1);
         logfile->fd = fd;
         qatomic_rcu_set(&global_file, logfile);
     }