Merge tag 'pull-log-20220420' of https://gitlab.com/rth7680/qemu into staging

Clean up log locking.
Use the FILE* from qemu_log_trylock more often.
Support per-thread log files with -d tid.

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# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]

* tag 'pull-log-20220420' of https://gitlab.com/rth7680/qemu: (39 commits)
  util/log: Support per-thread log files
  util/log: Limit RCUCloseFILE to file closing
  util/log: Rename QemuLogFile to RCUCloseFILE
  util/log: Combine two logfile closes
  util/log: Hoist the eval of is_daemonized in qemu_set_log_internal
  util/log: Rename qemu_logfile_mutex to global_mutex
  util/log: Rename qemu_logfile to global_file
  util/log: Rename logfilename to global_filename
  util/log: Remove qemu_log_close
  softmmu: Use qemu_set_log_filename_flags
  linux-user: Use qemu_set_log_filename_flags
  bsd-user: Use qemu_set_log_filename_flags
  util/log: Introduce qemu_set_log_filename_flags
  sysemu/os-win32: Test for and use _lock_file/_unlock_file
  include/qemu/log: Move entire implementation out-of-line
  include/exec/log: Do not reference QemuLogFile directly
  tests/unit: Do not reference QemuLogFile directly
  linux-user: Expand log_page_dump inline
  bsd-user: Expand log_page_dump inline
  util/log: Drop call to setvbuf
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 6 insertions, 3 deletions

diff --git a/monitor/misc.c b/monitor/misc.c
index b0fc0e5843..33372b93cc 100644
--- a/monitor/misc.c
+++ b/monitor/misc.c
@@ -419,8 +419,7 @@ static void hmp_logfile(Monitor *mon, const QDict *qdict)
 {
     Error *err = NULL;
 
-    qemu_set_log_filename(qdict_get_str(qdict, "filename"), &err);
-    if (err) {
+    if (!qemu_set_log_filename(qdict_get_str(qdict, "filename"), &err)) {
         error_report_err(err);
     }
 }
@@ -429,6 +428,7 @@ static void hmp_log(Monitor *mon, const QDict *qdict)
 {
     int mask;
     const char *items = qdict_get_str(qdict, "items");
+    Error *err = NULL;
 
     if (!strcmp(items, "none")) {
         mask = 0;
@@ -439,7 +439,10 @@ static void hmp_log(Monitor *mon, const QDict *qdict)
             return;
         }
     }
-    qemu_set_log(mask);
+
+    if (!qemu_set_log(mask, &err)) {
+        error_report_err(err);
+    }
 }
 
 static void hmp_singlestep(Monitor *mon, const QDict *qdict)