[RESEND,V5,2/6] coroutine: add a macro for the coroutine stack size

Commit Message

Peter Lieven Aug. 4, 2016, 12:52 p.m. UTC

Signed-off-by: Peter Lieven <[e-mail]>
Reviewed-by: Paolo Bonzini <[e-mail]>
Reviewed-by: Richard Henderson <[e-mail]>
---
 include/qemu/coroutine_int.h | 2 ++
 util/coroutine-sigaltstack.c | 2 +-
 util/coroutine-ucontext.c    | 2 +-
 util/coroutine-win32.c       | 2 +-
 4 files changed, 5 insertions(+), 3 deletions(-)

Patch

diff --git a/include/qemu/coroutine_int.h b/include/qemu/coroutine_int.h
index 42d6838..eac323a 100644
--- a/include/qemu/coroutine_int.h
+++ b/include/qemu/coroutine_int.h
@@ -28,6 +28,8 @@ 
 #include "qemu/queue.h"
 #include "qemu/coroutine.h"
 
+#define COROUTINE_STACK_SIZE (1 << 20)
+
 typedef enum {
     COROUTINE_YIELD = 1,
     COROUTINE_TERMINATE = 2,
diff --git a/util/coroutine-sigaltstack.c b/util/coroutine-sigaltstack.c
index a7c3366..9c2854c 100644
--- a/util/coroutine-sigaltstack.c
+++ b/util/coroutine-sigaltstack.c
@@ -143,7 +143,7 @@  static void coroutine_trampoline(int signal)
 
 Coroutine *qemu_coroutine_new(void)
 {
-    const size_t stack_size = 1 << 20;
+    const size_t stack_size = COROUTINE_STACK_SIZE;
     CoroutineUContext *co;
     CoroutineThreadState *coTS;
     struct sigaction sa;
diff --git a/util/coroutine-ucontext.c b/util/coroutine-ucontext.c
index 2bb7e10..31254ab 100644
--- a/util/coroutine-ucontext.c
+++ b/util/coroutine-ucontext.c
@@ -82,7 +82,7 @@  static void coroutine_trampoline(int i0, int i1)
 
 Coroutine *qemu_coroutine_new(void)
 {
-    const size_t stack_size = 1 << 20;
+    const size_t stack_size = COROUTINE_STACK_SIZE;
     CoroutineUContext *co;
     ucontext_t old_uc, uc;
     sigjmp_buf old_env;
diff --git a/util/coroutine-win32.c b/util/coroutine-win32.c
index 02e28e8..de6bd4f 100644
--- a/util/coroutine-win32.c
+++ b/util/coroutine-win32.c
@@ -71,7 +71,7 @@  static void CALLBACK coroutine_trampoline(void *co_)
 
 Coroutine *qemu_coroutine_new(void)
 {
-    const size_t stack_size = 1 << 20;
+    const size_t stack_size = COROUTINE_STACK_SIZE;
     CoroutineWin32 *co;
 
     co = g_malloc0(sizeof(*co));