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chardev: Use QEMUChrEvent enum in IOEventHandler typedef

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The Chardev events are listed in the QEMUChrEvent enum.

By using the enum in the IOEventHandler typedef we:

- make the IOEventHandler type more explicit (this handler
  process out-of-band information, while the IOReadHandler
  is in-band),
- help static code analyzers.

This patch was produced with the following spatch script:

  @match@
  expression backend, opaque, context, set_open;
  identifier fd_can_read, fd_read, fd_event, be_change;
  @@
  qemu_chr_fe_set_handlers(backend, fd_can_read, fd_read, fd_event,
                           be_change, opaque, context, set_open);

  @depends on match@
  identifier opaque, event;
  identifier match.fd_event;
  @@
   static
  -void fd_event(void *opaque, int event)
  +void fd_event(void *opaque, QEMUChrEvent event)
   {
   ...
   }

Then the typedef was modified manually in
include/chardev/char-fe.h.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Corey Minyard <cminyard@mvista.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20191218172009.8868-15-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2019-12-18 18:20:09 +01:00 • committed by Paolo Bonzini
parent 2fa9044a4f
commit 083b266f69
41 changed files with 44 additions and 44 deletions
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4
net/vhost-user.c
View file

@ -218,7 +218,7 @@ static gboolean net_vhost_user_watch(GIOChannel *chan, GIOCondition cond,
return TRUE;
}
static void net_vhost_user_event(void *opaque, int event);
static void net_vhost_user_event(void *opaque, QEMUChrEvent event);
static void chr_closed_bh(void *opaque)
{
@ -249,7 +249,7 @@ static void chr_closed_bh(void *opaque)
}
}
static void net_vhost_user_event(void *opaque, int event)
static void net_vhost_user_event(void *opaque, QEMUChrEvent event)
{
const char *name = opaque;
NetClientState *ncs[MAX_QUEUE_NUM];