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Revert "with-continuation-barrier carps, calls exit(3) _after_ unwinding"

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This reverts commit ecba00af65.
This commit is contained in:
Andy Wingo 2011-03-25 10:47:10 +01:00
parent 5f0d2951a0
commit 2a6f90e524
2 changed files with 4 additions and 25 deletions
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16
libguile/continuations.c
View file

@ -477,13 +477,7 @@ c_body (void *d)
static SCM static SCM
c_handler (void *d, SCM tag, SCM args) c_handler (void *d, SCM tag, SCM args)
{ {
struct c_data *data; struct c_data *data = (struct c_data *)d;
/* Print a message. Note that if TAG is `quit', this will exit() the
process. */
scm_handle_by_message_noexit (NULL, tag, args);
data = (struct c_data *)d;
data->result = NULL; data->result = NULL;
return SCM_UNSPECIFIED; return SCM_UNSPECIFIED;
} }
@ -496,7 +490,7 @@ scm_c_with_continuation_barrier (void *(*func) (void *), void *data)
c_data.data = data; c_data.data = data;
scm_i_with_continuation_barrier (c_body, &c_data, scm_i_with_continuation_barrier (c_body, &c_data,
c_handler, &c_data, c_handler, &c_data,
NULL, NULL); scm_handle_by_message_noexit, NULL);
return c_data.result; return c_data.result;
} }
@ -514,10 +508,6 @@ scm_body (void *d)
static SCM static SCM
scm_handler (void *d, SCM tag, SCM args) scm_handler (void *d, SCM tag, SCM args)
{ {
/* Print a message. Note that if TAG is `quit', this will exit() the
process. */
scm_handle_by_message_noexit (NULL, tag, args);
return SCM_BOOL_F; return SCM_BOOL_F;
} }
@ -539,7 +529,7 @@ SCM_DEFINE (scm_with_continuation_barrier, "with-continuation-barrier", 1,0,0,
scm_data.proc = proc; scm_data.proc = proc;
return scm_i_with_continuation_barrier (scm_body, &scm_data, return scm_i_with_continuation_barrier (scm_body, &scm_data,
scm_handler, &scm_data, scm_handler, &scm_data,
NULL, NULL); scm_handle_by_message_noexit, NULL);
} }
#undef FUNC_NAME #undef FUNC_NAME

13
test-suite/tests/continuations.test
View file

@ -1,7 +1,7 @@
;;;; -*- scheme -*- ;;;; -*- scheme -*-
;;;; continuations.test --- test suite for continutations ;;;; continuations.test --- test suite for continutations
;;;; ;;;;
;;;; Copyright (C) 2003, 2006, 2009, 2011 Free Software Foundation, Inc. ;;;; Copyright (C) 2003, 2006, 2009 Free Software Foundation, Inc.
;;;; ;;;;
;;;; This library is free software; you can redistribute it and/or ;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public ;;;; modify it under the terms of the GNU Lesser General Public
@ -80,17 +80,6 @@
(error "Catch me if you can!"))))))))) (error "Catch me if you can!")))))))))
handled)) handled))
(pass-if "exit unwinds dynwinds inside a continuation barrier"
(let ((s (with-error-to-string
(lambda ()
(with-continuation-barrier
(lambda ()
(dynamic-wind
(lambda () #f)
(lambda () (exit 1))
(lambda () (throw 'abcde)))))))))
(and (string-contains s "abcde") #t)))
(with-debugging-evaluator (with-debugging-evaluator
(pass-if "make a stack from a continuation" (pass-if "make a stack from a continuation"