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Only call sigcheck() at the ticker code if we don't have true signals. 

This is safe now that both intrcheck() and signalmodule.c schedule a
sigcheck() call via Py_AddPendingCall().

This gives another 7% speedup (never run such a test twice ;-).
This commit is contained in:
Guido van Rossum 1997-01-21 06:15:24 +00:00
parent fcdd0e40a4
commit 70d44787a3
1 changed files with 6 additions and 2 deletions
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8
Python/ceval.c
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@ -92,7 +92,6 @@ static object *apply_subscript PROTO((object *, object *));
static object *loop_subscript PROTO((object *, object *));
static int slice_index PROTO((object *, int, int *));
static object *apply_slice PROTO((object *, object *, object *));
static object *build_slice PROTO((object *, object *, object *));
static int assign_subscript PROTO((object *, object *, object *));
static int assign_slice PROTO((object *, object *, object *, object *));
static int cmp_exception PROTO((object *, object *));
@ -557,7 +556,7 @@ eval_code2(co, globals, locals,
So we do it only every Nth instruction.
The ticker is reset to zero if there are pending
calls (see Py_AddPendingCalls() and
calls (see Py_AddPendingCall() and
Py_MakePendingCalls() above). */
if (--ticker < 0) {
@ -568,10 +567,15 @@ eval_code2(co, globals, locals,
goto on_error;
}
}
#ifndef HAVE_SIGNAL_H /* Is this the right #define? */
/* If we have true signals, the signal handler will call
Py_AddPendingCall() so we don't have to call sigcheck().
On the Mac and DOS, alas, we have to call it. */
if (sigcheck()) {
why = WHY_EXCEPTION;
goto on_error;
}
#endif
#ifdef WITH_THREAD
if (interpreter_lock) {