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authorAndy Wingo <wingo@pobox.com>2011-05-06 00:17:35 +0200
committerAndy Wingo <wingo@pobox.com>2011-05-06 00:17:35 +0200
commita2a6c0e319b5c146c484cb1fe8ffc9b14b9a9876 (patch)
treedaec4c1b9cc5f45b0fe6d3330db1657143bff86a /libguile/vm-engine.c
parenta2230b653b86cece1daab09315873b5a4c592d6b (diff)
downloadguile-a2a6c0e319b5c146c484cb1fe8ffc9b14b9a9876.tar.gz
avoid tls gets when handling interrupts in the vm
* libguile/__scm.h (SCM_ASYNC_TICK_WITH_CODE): Redefine to take a scm_i_thread* as well. OK to do because it's within a BUILDING_LIBGUILE block. * libguile/vm-engine.c (vm_engine): Cache the scm_i_thread* instead of the dynstate, so we can use the thread for ticks. * libguile/vm-engine.h (VM_HANDLE_INTERRUPTS): Tick with the scm_i_thread* local var, to avoid excessive tls calls. * libguile/vm-i-system.c: Fix dynstate users to use current_thread->dynamic_state.
Diffstat (limited to 'libguile/vm-engine.c')
-rw-r--r--libguile/vm-engine.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libguile/vm-engine.c b/libguile/vm-engine.c
index bfa848967..e449b4372 100644
--- a/libguile/vm-engine.c
+++ b/libguile/vm-engine.c
@@ -52,7 +52,7 @@ VM_NAME (SCM vm, SCM program, SCM *argv, int nargs)
#endif
SCM *stack_limit = vp->stack_limit; /* stack limit address */
- SCM dynstate = SCM_I_CURRENT_THREAD->dynamic_state;
+ scm_i_thread *current_thread = SCM_I_CURRENT_THREAD;
scm_t_int64 vm_cookie = vp->cookie++;
/* Internal variables */