5 files changed, 46 insertions, 23 deletions

diff --git a/util/qemu-config.c b/util/qemu-config.c
index 99b0e46fa3..029fec53a9 100644
--- a/util/qemu-config.c
+++ b/util/qemu-config.c
@@ -105,7 +105,8 @@ static void cleanup_infolist(CommandLineParameterInfoList *head)
             if (!strcmp(pre_entry->value->name, cur->next->value->name)) {
                 del_entry = cur->next;
                 cur->next = cur->next->next;
-                g_free(del_entry);
+                del_entry->next = NULL;
+                qapi_free_CommandLineParameterInfoList(del_entry);
                 break;
             }
             pre_entry = pre_entry->next;
diff --git a/util/qemu-thread-posix.c b/util/qemu-thread-posix.c
index 959a57079f..b789cf32e9 100644
--- a/util/qemu-thread-posix.c
+++ b/util/qemu-thread-posix.c
@@ -57,26 +57,28 @@ void qemu_mutex_destroy(QemuMutex *mutex)
         error_exit(err, __func__);
 }
 
-void qemu_mutex_lock(QemuMutex *mutex)
+void qemu_mutex_lock_impl(QemuMutex *mutex, const char *file, const int line)
 {
     int err;
 
     assert(mutex->initialized);
+    trace_qemu_mutex_lock(mutex, file, line);
+
     err = pthread_mutex_lock(&mutex->lock);
     if (err)
         error_exit(err, __func__);
 
-    trace_qemu_mutex_locked(mutex);
+    trace_qemu_mutex_locked(mutex, file, line);
 }
 
-int qemu_mutex_trylock(QemuMutex *mutex)
+int qemu_mutex_trylock_impl(QemuMutex *mutex, const char *file, const int line)
 {
     int err;
 
     assert(mutex->initialized);
     err = pthread_mutex_trylock(&mutex->lock);
     if (err == 0) {
-        trace_qemu_mutex_locked(mutex);
+        trace_qemu_mutex_locked(mutex, file, line);
         return 0;
     }
     if (err != EBUSY) {
@@ -85,15 +87,16 @@ int qemu_mutex_trylock(QemuMutex *mutex)
     return -EBUSY;
 }
 
-void qemu_mutex_unlock(QemuMutex *mutex)
+void qemu_mutex_unlock_impl(QemuMutex *mutex, const char *file, const int line)
 {
     int err;
 
     assert(mutex->initialized);
-    trace_qemu_mutex_unlocked(mutex);
     err = pthread_mutex_unlock(&mutex->lock);
     if (err)
         error_exit(err, __func__);
+
+    trace_qemu_mutex_unlock(mutex, file, line);
 }
 
 void qemu_rec_mutex_init(QemuRecMutex *mutex)
@@ -152,14 +155,14 @@ void qemu_cond_broadcast(QemuCond *cond)
         error_exit(err, __func__);
 }
 
-void qemu_cond_wait(QemuCond *cond, QemuMutex *mutex)
+void qemu_cond_wait_impl(QemuCond *cond, QemuMutex *mutex, const char *file, const int line)
 {
     int err;
 
     assert(cond->initialized);
-    trace_qemu_mutex_unlocked(mutex);
+    trace_qemu_mutex_unlock(mutex, file, line);
     err = pthread_cond_wait(&cond->cond, &mutex->lock);
-    trace_qemu_mutex_locked(mutex);
+    trace_qemu_mutex_locked(mutex, file, line);
     if (err)
         error_exit(err, __func__);
 }
diff --git a/util/qemu-thread-win32.c b/util/qemu-thread-win32.c
index 94f3491a87..ab60c0d557 100644
--- a/util/qemu-thread-win32.c
+++ b/util/qemu-thread-win32.c
@@ -56,30 +56,32 @@ void qemu_mutex_destroy(QemuMutex *mutex)
     InitializeSRWLock(&mutex->lock);
 }
 
-void qemu_mutex_lock(QemuMutex *mutex)
+void qemu_mutex_lock_impl(QemuMutex *mutex, const char *file, const int line)
 {
     assert(mutex->initialized);
+    trace_qemu_mutex_lock(mutex, file, line);
+
     AcquireSRWLockExclusive(&mutex->lock);
-    trace_qemu_mutex_locked(mutex);
+    trace_qemu_mutex_locked(mutex, file, line);
 }
 
-int qemu_mutex_trylock(QemuMutex *mutex)
+int qemu_mutex_trylock_impl(QemuMutex *mutex, const char *file, const int line)
 {
     int owned;
 
     assert(mutex->initialized);
     owned = TryAcquireSRWLockExclusive(&mutex->lock);
     if (owned) {
-        trace_qemu_mutex_locked(mutex);
+        trace_qemu_mutex_locked(mutex, file, line);
         return 0;
     }
     return -EBUSY;
 }
 
-void qemu_mutex_unlock(QemuMutex *mutex)
+void qemu_mutex_unlock_impl(QemuMutex *mutex, const char *file, const int line)
 {
     assert(mutex->initialized);
-    trace_qemu_mutex_unlocked(mutex);
+    trace_qemu_mutex_unlock(mutex, file, line);
     ReleaseSRWLockExclusive(&mutex->lock);
 }
 
@@ -140,12 +142,12 @@ void qemu_cond_broadcast(QemuCond *cond)
     WakeAllConditionVariable(&cond->var);
 }
 
-void qemu_cond_wait(QemuCond *cond, QemuMutex *mutex)
+void qemu_cond_wait_impl(QemuCond *cond, QemuMutex *mutex, const char *file, const int line)
 {
     assert(cond->initialized);
-    trace_qemu_mutex_unlocked(mutex);
+    trace_qemu_mutex_unlock(mutex, file, line);
     SleepConditionVariableSRW(&cond->var, &mutex->lock, INFINITE, 0);
-    trace_qemu_mutex_locked(mutex);
+    trace_qemu_mutex_locked(mutex, file, line);
 }
 
 void qemu_sem_init(QemuSemaphore *sem, int init)
diff --git a/util/readline.c b/util/readline.c
index bbdee790b0..24ec839854 100644
--- a/util/readline.c
+++ b/util/readline.c
@@ -500,12 +500,28 @@ const char *readline_get_history(ReadLineState *rs, unsigned int index)
     return rs->history[index];
 }
 
+void readline_free(ReadLineState *rs)
+{
+    int i;
+
+    if (!rs) {
+        return;
+    }
+    for (i = 0; i < READLINE_MAX_CMDS; i++) {
+        g_free(rs->history[i]);
+    }
+    for (i = 0; i < READLINE_MAX_COMPLETIONS; i++) {
+        g_free(rs->completions[i]);
+    }
+    g_free(rs);
+}
+
 ReadLineState *readline_init(ReadLinePrintfFunc *printf_func,
                              ReadLineFlushFunc *flush_func,
                              void *opaque,
                              ReadLineCompletionFunc *completion_finder)
 {
-    ReadLineState *rs = g_malloc0(sizeof(*rs));
+    ReadLineState *rs = g_new0(ReadLineState, 1);
 
     rs->hist_entry = -1;
     rs->opaque = opaque;
diff --git a/util/trace-events b/util/trace-events
index 025499f83f..515e6257fb 100644
--- a/util/trace-events
+++ b/util/trace-events
@@ -56,6 +56,7 @@ lockcnt_futex_wait(const void *lockcnt, int val) "lockcnt %p waiting on %d"
 lockcnt_futex_wait_resume(const void *lockcnt, int new) "lockcnt %p after wait: %d"
 lockcnt_futex_wake(const void *lockcnt) "lockcnt %p waking up one waiter"
 
-# util/qemu-thread-posix.c
-qemu_mutex_locked(void *lock) "locked mutex %p"
-qemu_mutex_unlocked(void *lock) "unlocked mutex %p"
+# util/qemu-thread.c
+qemu_mutex_lock(void *mutex, const char *file, const int line) "waiting on mutex %p (%s:%d)"
+qemu_mutex_locked(void *mutex, const char *file, const int line) "taken mutex %p (%s:%d)"
+qemu_mutex_unlock(void *mutex, const char *file, const int line) "released mutex %p (%s:%d)"