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[01/39] char: add qemu_chr_free()

Message ID 1435330185-23248-2-git-send-email-marcandre.lureau@gmail.com
State New
Headers show

Commit Message

Marc-André Lureau June 26, 2015, 2:49 p.m. UTC 
If a chardev is allowed to be created outside of QMP, then it must be
also possible to free it. This is useful for ivshmem that creates
chardev anonymously and must be able to free them.

Signed-off-by: Marc-André Lureau <marcandre.lureau@gmail.com>
---
 include/sysemu/char.h | 10 +++++++++-
 qemu-char.c           |  9 +++++++--
 2 files changed, 16 insertions(+), 3 deletions(-)
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Patch

diff --git a/include/sysemu/char.h b/include/sysemu/char.h
index 832b7fe..5fd0a09 100644
--- a/include/sysemu/char.h
+++ b/include/sysemu/char.h
@@ -128,11 +128,19 @@  CharDriverState *qemu_chr_new(const char *label, const char *filename,
 /**
  * @qemu_chr_delete:
  *
- * Destroy a character backend.
+ * Destroy a character backend and remove it from the list of
+ * identified character backends.
  */
 void qemu_chr_delete(CharDriverState *chr);
 
 /**
+ * @qemu_chr_free:
+ *
+ * Destroy a character backend.
+ */
+void qemu_chr_free(CharDriverState *chr);
+
+/**
  * @qemu_chr_fe_set_echo:
  *
  * Ask the backend to override its normal echo setting.  This only really
diff --git a/qemu-char.c b/qemu-char.c
index 617e034..16040e9 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -3837,9 +3837,8 @@  void qemu_chr_fe_release(CharDriverState *s)
     s->avail_connections++;
 }
 
-void qemu_chr_delete(CharDriverState *chr)
+void qemu_chr_free(CharDriverState *chr)
 {
-    QTAILQ_REMOVE(&chardevs, chr, next);
     if (chr->chr_close) {
         chr->chr_close(chr);
     }
@@ -3849,6 +3848,12 @@  void qemu_chr_delete(CharDriverState *chr)
     g_free(chr);
 }
 
+void qemu_chr_delete(CharDriverState *chr)
+{
+    QTAILQ_REMOVE(&chardevs, chr, next);
+    qemu_chr_free(chr);
+}
+
 ChardevInfoList *qmp_query_chardev(Error **errp)
 {
     ChardevInfoList *chr_list = NULL;