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Diffstat (limited to 'coroutine-ucontext.c')
-rw-r--r--coroutine-ucontext.c43
1 files changed, 1 insertions, 42 deletions
diff --git a/coroutine-ucontext.c b/coroutine-ucontext.c
index a9c30e9df4..6f8ffa85e3 100644
--- a/coroutine-ucontext.c
+++ b/coroutine-ucontext.c
@@ -34,15 +34,6 @@
#include <valgrind/valgrind.h>
#endif
-enum {
- /* Maximum free pool size prevents holding too many freed coroutines */
- POOL_MAX_SIZE = 64,
-};
-
-/** Free list to speed up creation */
-static QSLIST_HEAD(, Coroutine) pool = QSLIST_HEAD_INITIALIZER(pool);
-static unsigned int pool_size;
-
typedef struct {
Coroutine base;
void *stack;
@@ -96,17 +87,6 @@ static void qemu_coroutine_thread_cleanup(void *opaque)
g_free(s);
}
-static void __attribute__((destructor)) coroutine_cleanup(void)
-{
- Coroutine *co;
- Coroutine *tmp;
-
- QSLIST_FOREACH_SAFE(co, &pool, pool_next, tmp) {
- g_free(DO_UPCAST(CoroutineUContext, base, co)->stack);
- g_free(co);
- }
-}
-
static void __attribute__((constructor)) coroutine_init(void)
{
int ret;
@@ -140,7 +120,7 @@ static void coroutine_trampoline(int i0, int i1)
}
}
-static Coroutine *coroutine_new(void)
+Coroutine *qemu_coroutine_new(void)
{
const size_t stack_size = 1 << 20;
CoroutineUContext *co;
@@ -185,20 +165,6 @@ static Coroutine *coroutine_new(void)
return &co->base;
}
-Coroutine *qemu_coroutine_new(void)
-{
- Coroutine *co;
-
- co = QSLIST_FIRST(&pool);
- if (co) {
- QSLIST_REMOVE_HEAD(&pool, pool_next);
- pool_size--;
- } else {
- co = coroutine_new();
- }
- return co;
-}
-
#ifdef CONFIG_VALGRIND_H
#ifdef CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE
/* Work around an unused variable in the valgrind.h macro... */
@@ -217,13 +183,6 @@ void qemu_coroutine_delete(Coroutine *co_)
{
CoroutineUContext *co = DO_UPCAST(CoroutineUContext, base, co_);
- if (pool_size < POOL_MAX_SIZE) {
- QSLIST_INSERT_HEAD(&pool, &co->base, pool_next);
- co->base.caller = NULL;
- pool_size++;
- return;
- }
-
#ifdef CONFIG_VALGRIND_H
valgrind_stack_deregister(co);
#endif