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[Qemu-trivial] [PATCH 4/8] ccid: switch to QTAILQ


From: Paolo Bonzini
Subject: [Qemu-trivial] [PATCH 4/8] ccid: switch to QTAILQ
Date: Mon, 2 Jan 2012 19:00:33 +0100

CCID emulation needs to insert at tail.  Use a QTAILQ, even though
the double links are strictly not necessary.

Signed-off-by: Paolo Bonzini <address@hidden>
---
 hw/ccid-card-emulated.c |   24 ++++++++++++------------
 1 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/hw/ccid-card-emulated.c b/hw/ccid-card-emulated.c
index 2d2ebce..1d0e67d 100644
--- a/hw/ccid-card-emulated.c
+++ b/hw/ccid-card-emulated.c
@@ -89,7 +89,7 @@ static const char *emul_event_to_string(uint32_t emul_event)
 }
 
 typedef struct EmulEvent {
-    QSIMPLEQ_ENTRY(EmulEvent) entry;
+    QTAILQ_ENTRY(EmulEvent) entry;
     union {
         struct {
             uint32_t type;
@@ -118,11 +118,11 @@ struct EmulatedState {
     char    *db;
     uint8_t  atr[MAX_ATR_SIZE];
     uint8_t  atr_length;
-    QSIMPLEQ_HEAD(event_list, EmulEvent) event_list;
+    QTAILQ_HEAD(event_list, EmulEvent) event_list;
     QemuMutex event_list_mutex;
     QemuThread event_thread_id;
     VReader *reader;
-    QSIMPLEQ_HEAD(guest_apdu_list, EmulEvent) guest_apdu_list;
+    QTAILQ_HEAD(guest_apdu_list, EmulEvent) guest_apdu_list;
     QemuMutex vreader_mutex; /* and guest_apdu_list mutex */
     QemuMutex handle_apdu_mutex;
     QemuCond handle_apdu_cond;
@@ -142,7 +142,7 @@ static void emulated_apdu_from_guest(CCIDCardState *base,
     event->p.data.len = len;
     memcpy(event->p.data.data, apdu, len);
     qemu_mutex_lock(&card->vreader_mutex);
-    QSIMPLEQ_INSERT_TAIL(&card->guest_apdu_list, event, entry);
+    QTAILQ_INSERT_TAIL(&card->guest_apdu_list, event, entry);
     qemu_mutex_unlock(&card->vreader_mutex);
     qemu_mutex_lock(&card->handle_apdu_mutex);
     qemu_cond_signal(&card->handle_apdu_cond);
@@ -160,7 +160,7 @@ static const uint8_t *emulated_get_atr(CCIDCardState *base, 
uint32_t *len)
 static void emulated_push_event(EmulatedState *card, EmulEvent *event)
 {
     qemu_mutex_lock(&card->event_list_mutex);
-    QSIMPLEQ_INSERT_TAIL(&(card->event_list), event, entry);
+    QTAILQ_INSERT_TAIL(&(card->event_list), event, entry);
     qemu_mutex_unlock(&card->event_list_mutex);
     if (write(card->pipe[1], card, 1) != 1) {
         DPRINTF(card, 1, "write to pipe failed\n");
@@ -243,10 +243,10 @@ static void *handle_apdu_thread(void* arg)
             break;
         }
         qemu_mutex_lock(&card->vreader_mutex);
-        while (!QSIMPLEQ_EMPTY(&card->guest_apdu_list)) {
-            event = QSIMPLEQ_FIRST(&card->guest_apdu_list);
+        while (!QTAILQ_EMPTY(&card->guest_apdu_list)) {
+            event = QTAILQ_FIRST(&card->guest_apdu_list);
             assert((unsigned long)event > 1000);
-            QSIMPLEQ_REMOVE_HEAD(&card->guest_apdu_list, entry);
+            QTAILQ_REMOVE(&card->guest_apdu_list, event, entry);
             if (event->p.data.type != EMUL_GUEST_APDU) {
                 DPRINTF(card, 1, "unexpected message in handle_apdu_thread\n");
                 g_free(event);
@@ -369,7 +369,7 @@ static void pipe_read(void *opaque)
         len = read(card->pipe[0], &dummy, sizeof(dummy));
     } while (len == sizeof(dummy));
     qemu_mutex_lock(&card->event_list_mutex);
-    QSIMPLEQ_FOREACH_SAFE(event, &card->event_list, entry, next) {
+    QTAILQ_FOREACH_SAFE(event, &card->event_list, entry, next) {
         DPRINTF(card, 2, "event %s\n", 
emul_event_to_string(event->p.gen.type));
         switch (event->p.gen.type) {
         case EMUL_RESPONSE_APDU:
@@ -400,7 +400,7 @@ static void pipe_read(void *opaque)
         }
         g_free(event);
     }
-    QSIMPLEQ_INIT(&card->event_list);
+    QTAILQ_INIT(&card->event_list);
     qemu_mutex_unlock(&card->event_list_mutex);
 }
 
@@ -489,8 +489,8 @@ static int emulated_initfn(CCIDCardState *base)
     VCardEmulError ret;
     EnumTable *ptable;
 
-    QSIMPLEQ_INIT(&card->event_list);
-    QSIMPLEQ_INIT(&card->guest_apdu_list);
+    QTAILQ_INIT(&card->event_list);
+    QTAILQ_INIT(&card->guest_apdu_list);
     qemu_mutex_init(&card->event_list_mutex);
     qemu_mutex_init(&card->vreader_mutex);
     qemu_mutex_init(&card->handle_apdu_mutex);
-- 
1.7.7.1





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