1 files changed, 0 insertions, 135 deletions
diff --git a/contrib/qemu/qemu-coroutine.c b/contrib/qemu/qemu-coroutine.c
deleted file mode 100644
index 5e19307eeda..00000000000
--- a/contrib/qemu/qemu-coroutine.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * QEMU coroutines
- *
- * Copyright IBM, Corp. 2011
- *
- * Authors:
- *  Stefan Hajnoczi    <stefanha@linux.vnet.ibm.com>
- *  Kevin Wolf         <kwolf@redhat.com>
- *
- * This work is licensed under the terms of the GNU LGPL, version 2 or later.
- * See the COPYING.LIB file in the top-level directory.
- *
- */
-
-#include "trace.h"
-#include "qemu-common.h"
-#include "qemu/thread.h"
-#include "block/coroutine.h"
-#include "block/coroutine_int.h"
-
-enum {
-    /* Maximum free pool size prevents holding too many freed coroutines */
-    POOL_MAX_SIZE = 0,
-};
-
-/** Free list to speed up creation */
-static QemuMutex pool_lock;
-static QSLIST_HEAD(, Coroutine) pool = QSLIST_HEAD_INITIALIZER(pool);
-static unsigned int pool_size;
-
-Coroutine *qemu_coroutine_create(CoroutineEntry *entry)
-{
-    Coroutine *co;
-
-    qemu_mutex_lock(&pool_lock);
-    co = QSLIST_FIRST(&pool);
-    if (co) {
-        QSLIST_REMOVE_HEAD(&pool, pool_next);
-        pool_size--;
-    }
-    qemu_mutex_unlock(&pool_lock);
-
-    if (!co) {
-        co = qemu_coroutine_new();
-    }
-
-    co->entry = entry;
-    QTAILQ_INIT(&co->co_queue_wakeup);
-    return co;
-}
-
-static void coroutine_delete(Coroutine *co)
-{
-    qemu_mutex_lock(&pool_lock);
-    if (pool_size < POOL_MAX_SIZE) {
-        QSLIST_INSERT_HEAD(&pool, co, pool_next);
-        co->caller = NULL;
-        pool_size++;
-        qemu_mutex_unlock(&pool_lock);
-        return;
-    }
-    qemu_mutex_unlock(&pool_lock);
-
-    qemu_coroutine_delete(co);
-}
-
-static void __attribute__((constructor)) coroutine_pool_init(void)
-{
-    qemu_mutex_init(&pool_lock);
-}
-
-static void __attribute__((destructor)) coroutine_pool_cleanup(void)
-{
-    Coroutine *co;
-    Coroutine *tmp;
-
-    QSLIST_FOREACH_SAFE(co, &pool, pool_next, tmp) {
-        QSLIST_REMOVE_HEAD(&pool, pool_next);
-        qemu_coroutine_delete(co);
-    }
-
-    qemu_mutex_destroy(&pool_lock);
-}
-
-static void coroutine_swap(Coroutine *from, Coroutine *to)
-{
-    CoroutineAction ret;
-
-    ret = qemu_coroutine_switch(from, to, COROUTINE_YIELD);
-
-    qemu_co_queue_run_restart(to);
-
-    switch (ret) {
-    case COROUTINE_YIELD:
-        return;
-    case COROUTINE_TERMINATE:
-        trace_qemu_coroutine_terminate(to);
-        coroutine_delete(to);
-        return;
-    default:
-        abort();
-    }
-}
-
-void qemu_coroutine_enter(Coroutine *co, void *opaque)
-{
-    Coroutine *self = qemu_coroutine_self();
-
-    trace_qemu_coroutine_enter(self, co, opaque);
-
-    if (co->caller) {
-        fprintf(stderr, "Co-routine re-entered recursively\n");
-        abort();
-    }
-
-    co->caller = self;
-    co->entry_arg = opaque;
-    coroutine_swap(self, co);
-}
-
-void coroutine_fn qemu_coroutine_yield(void)
-{
-    Coroutine *self = qemu_coroutine_self();
-    Coroutine *to = self->caller;
-
-    trace_qemu_coroutine_yield(self, to);
-
-    if (!to) {
-        fprintf(stderr, "Co-routine is yielding to no one\n");
-        abort();
-    }
-
-    self->caller = NULL;
-    coroutine_swap(self, to);
-}