diff --git a/NEWS b/NEWS index c2bed1740..c83e2d675 100644 --- a/NEWS +++ b/NEWS @@ -32,6 +32,11 @@ See `cancel-thread', `set-thread-cleanup!', and `thread-cleanup'. * Changes to the C interface +** Internal `scm_i_' functions now have "hidden" linkage with GCC/ELF + +This makes these internal functions technically not callable from +application code. + ** Functions for handling `scm_option' now no longer require an argument indicating length of the `scm_t_option' array. @@ -49,15 +54,18 @@ When you use GDS to evaluate Scheme code from Emacs, you can now use `C-u' to indicate that you want to single step through that code. See `Evaluating Scheme Code' in the manual for more details. +* Changes to the distribution + +** Automake's `AM_MAINTAINER_MODE' is no longer used + +Thus, the `--enable-maintainer-mode' configure option is no longer +available: Guile is now always configured in "maintainer mode". + * Bugs fixed -** Internal `scm_i_' functions now have "hidden" linkage with GCC/ELF - -This makes these internal functions technically not callable from -application code. - ** `guile-config link' now prints `-L$libdir' before `-lguile' ** Fix memory corruption involving GOOPS' `class-redefinition' +** Fix possible deadlock in `mutex-lock' ** Fix build issue on Tru64 and ia64-hp-hpux11.23 (`SCM_UNPACK' macro) ** Fix build issue on mips, mipsel, powerpc and ia64 (stack direction) ** Fix build issue on hppa2.0w-hp-hpux11.11 (`dirent64' and `readdir64_r') diff --git a/configure.in b/configure.in index fcccb2048..e67e1d84a 100644 --- a/configure.in +++ b/configure.in @@ -48,7 +48,6 @@ AC_CONFIG_SRCDIR([GUILE-VERSION]) . $srcdir/GUILE-VERSION -AM_MAINTAINER_MODE AC_CONFIG_HEADERS([config.h]) AH_TOP(/*GUILE_CONFIGURE_COPYRIGHT*/) diff --git a/doc/Makefile.am b/doc/Makefile.am index 5a850fc51..188fa8334 100644 --- a/doc/Makefile.am +++ b/doc/Makefile.am @@ -43,9 +43,8 @@ EXTRA_DIST = groupings.alist # guile-api.alist # pending the papers from Robert Merkel # EXTRA_DIST = guile.1 -if MAINTAINER_MODE include $(top_srcdir)/am/maintainer-dirs guile-api.alist: guile-api.alist-FORCE ( cd $(top_builddir) ; $(mscripts)/update-guile-api.alist ) guile-api.alist-FORCE: -endif + diff --git a/ice-9/Makefile.am b/ice-9/Makefile.am index 454b117cc..72c2655e5 100644 --- a/ice-9/Makefile.am +++ b/ice-9/Makefile.am @@ -1,6 +1,6 @@ ## Process this file with automake to produce Makefile.in. ## -## Copyright (C) 1998,1999,2000,2001,2003, 2004, 2006 Free Software Foundation, Inc. +## Copyright (C) 1998,1999,2000,2001,2003, 2004, 2006, 2008 Free Software Foundation, Inc. ## ## This file is part of GUILE. ## @@ -46,7 +46,6 @@ TAGS_FILES = $(subpkgdata_DATA) ## test.scm is not currently installed. EXTRA_DIST = $(ice9_sources) test.scm compile-psyntax.scm -if MAINTAINER_MODE # We expect this to never be invoked when there is not already # ice-9/psyntax.pp in %load-path, since compile-psyntax.scm depends # on ice-9/syncase.scm, which does `(load-from-path "ice-9/psyntax.pp")'. @@ -56,4 +55,4 @@ include $(top_srcdir)/am/pre-inst-guile psyntax.pp: psyntax.ss $(preinstguile) -s $(srcdir)/compile-psyntax.scm \ $(srcdir)/psyntax.ss $(srcdir)/psyntax.pp -endif + diff --git a/libguile/ChangeLog b/libguile/ChangeLog index a3c9767f9..64229b235 100644 --- a/libguile/ChangeLog +++ b/libguile/ChangeLog @@ -1,3 +1,17 @@ +2008-08-29 Julian Graham + + * threads.c (fat_mutex_lock): Resolve a deadlock caused by not + checking mutex state after calling `SCM_TICK'. + +2008-08-27 Ludovic Courtès + + Fix builds `--without-threads'. Reported by Han-Wen Nienhuys + . + + * scmsigs.c (scm_i_close_signal_pipe): Don't refer to + `signal_pipe' unless `SCM_USE_PTHREAD_THREADS' is true. + * threads.c (scm_leave_guile_cleanup): Mark as `SCM_UNUSED'. + 2008-08-25 Ludovic Courtès * Makefile.am (AM_CFLAGS): New. diff --git a/libguile/coop-defs.h b/libguile/coop-defs.h deleted file mode 100644 index a5ef5337e..000000000 --- a/libguile/coop-defs.h +++ /dev/null @@ -1,221 +0,0 @@ -/* classes: h_files */ - -#ifndef SCM_COOP_DEFS_H -#define SCM_COOP_DEFS_H - -/* Copyright (C) 1996,1997,1998,1999,2000,2001, 2002, 2006 Free Software Foundation, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - - - -#include "libguile/__scm.h" -#include "libguile/iselect.h" - -#if SCM_HAVE_WINSOCK2_H -# include -#endif - -#ifdef GUILE_PTHREAD_COMPAT -#include -#endif - -/* This file is included by threads.h, which, in turn, is included by - libguile.h while coop-threads.h only is included by - coop-threads.c. */ - -/* The coop_t struct must be declared here, since macros in this file - refer to the data member. */ - -/* The notion of a thread is merged with the notion of a queue. - Thread stuff: thread status (sp) and stuff to use during - (re)initialization. Queue stuff: next thread in the queue - (next). */ - -struct qt_t; - -typedef struct coop_t { - struct qt_t *sp; /* QuickThreads handle. */ - void *sto; /* `malloc'-allocated stack. */ - - struct coop_t *next; /* Next thread in the queue. */ - - struct coop_t *all_next; - struct coop_t *all_prev; - - void *data; /* Thread local data */ - void **specific; /* Data associated with keys */ - int n_keys; /* Upper limit for keys on this thread */ - - void *base; /* Base of stack */ - void *top; /* Top of stack */ - - void *joining; /* A queue of threads waiting to join this - thread */ - - SCM handle; /* SCM handle, protected via scm_all_threads. */ - - int nfds; - SELECT_TYPE *readfds; - SELECT_TYPE *writefds; - SELECT_TYPE *exceptfds; - int timeoutp; - struct timeval wakeup_time; /* Time to stop sleeping */ - int _errno; - int retval; - -#ifdef GUILE_PTHREAD_COMPAT - pthread_t dummy_thread; - pthread_mutex_t dummy_mutex; -#endif -} coop_t; - -/* A queue is a circular list of threads. The queue head is a - designated list element. If this is a uniprocessor-only - implementation we can store the `main' thread in this, but in a - multiprocessor there are several `heavy' threads but only one run - queue. A fancier implementation might have private run queues, - which would lead to a simpler (trivial) implementation */ - -typedef struct coop_q_t { - coop_t t; - coop_t *tail; -} coop_q_t; - -/* A Mutex variable is made up of a owner thread, and a queue of threads - waiting on the mutex */ - -typedef struct coop_m { - coop_t *owner; /* Mutex owner */ - int level; /* for recursive locks. */ - coop_q_t waiting; /* Queue of waiting threads */ -} coop_m; - -typedef int coop_mattr; - -SCM_API int coop_mutex_init (coop_m*); -SCM_API int coop_new_mutex_init (coop_m*, coop_mattr*); -SCM_API int coop_mutex_lock (coop_m*); -SCM_API int coop_mutex_trylock (coop_m*); -SCM_API int coop_mutex_unlock (coop_m*); -SCM_API int coop_mutex_destroy (coop_m*); - -/* A Condition variable is made up of a list of threads waiting on the - condition. */ - -typedef struct coop_c { - coop_q_t waiting; /* Queue of waiting threads */ -} coop_c; - -typedef int coop_cattr; - -SCM_API int coop_condition_variable_init (coop_c*); -SCM_API int coop_new_condition_variable_init (coop_c*, coop_cattr*); -SCM_API int coop_condition_variable_wait_mutex (coop_c*, coop_m*); -SCM_API int coop_condition_variable_timed_wait_mutex (coop_c*, - coop_m*, - const scm_t_timespec *abstime); -SCM_API int coop_condition_variable_signal (coop_c*); -SCM_API int coop_condition_variable_broadcast (coop_c*); -SCM_API int coop_condition_variable_destroy (coop_c*); - -typedef int coop_k; - -typedef coop_k scm_t_key; - -SCM_API int coop_key_create (coop_k *keyp, void (*destruktor) (void *value)); -SCM_API int coop_setspecific (coop_k key, const void *value); -SCM_API void *coop_getspecific (coop_k key); -SCM_API int coop_key_delete (coop_k); -#define scm_key_create coop_key_create -#define scm_setspecific coop_setspecific -#define scm_getspecific coop_getspecific -#define scm_key_delete coop_key_delete - -SCM_API coop_t *coop_global_curr; /* Currently-executing thread. */ - -SCM_API void coop_join (coop_t *t); -SCM_API void coop_yield (void); - -SCM_API size_t scm_switch_counter; -SCM_API size_t scm_thread_count; - - -/* Some iselect functions. */ - -/* I'm not sure whether these three declarations should be here. - They're really defined in iselect.c, so you'd think they'd go in - iselect.h, but they use coop_t, defined above, which uses things - defined in iselect.h. Basically, we're making at best a flailing - (and failing) attempt at modularity here, and I don't have time to - rethink this at the moment. This code awaits a Hero. --JimB - */ -SCM_API void coop_timeout_qinsert (coop_q_t *, coop_t *); -SCM_API coop_t *coop_next_runnable_thread (void); -SCM_API coop_t *coop_wait_for_runnable_thread_now (struct timeval *); -SCM_API coop_t *coop_wait_for_runnable_thread (void); - - - - -/* Cooperative threads don't need to have these defined */ - -#define SCM_CRITICAL_SECTION_START -#define SCM_CRITICAL_SECTION_END - - - -#define SCM_NO_CRITICAL_SECTION_OWNER 0 -#define SCM_THREAD_SWITCH_COUNT 50 /* was 10 /mdj */ - - - -#if 0 -#define SCM_THREAD_SWITCHING_CODE \ -do { \ - if (scm_thread_count > 1) \ - coop_yield(); \ -} while (0) - -#else -#define SCM_THREAD_SWITCHING_CODE \ -do { \ - if (scm_thread_count > 1) \ - { \ - scm_switch_counter--; \ - if (scm_switch_counter == 0) \ - { \ - scm_switch_counter = SCM_THREAD_SWITCH_COUNT; \ - coop_yield(); \ - } \ - } \ -} while (0) - -#endif - -/* For pthreads, this is a value associated with a specific key. - * For coop, we use a special field for increased efficiency. - */ -#define SCM_THREAD_LOCAL_DATA (coop_global_curr->data) -#define SCM_SET_THREAD_LOCAL_DATA(ptr) (coop_global_curr->data = (ptr)) - -#endif /* SCM_COOP_DEFS_H */ - -/* - Local Variables: - c-file-style: "gnu" - End: -*/ diff --git a/libguile/coop-threads.h b/libguile/coop-threads.h deleted file mode 100644 index 56ada64fd..000000000 --- a/libguile/coop-threads.h +++ /dev/null @@ -1,105 +0,0 @@ -/* classes: h_files */ - -#ifndef SCM_COOP_THREADS_H -#define SCM_COOP_THREADS_H - -/* Copyright (C) 1996,1997,1998,2000, 2002, 2006 Free Software Foundation, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - - - -/* This file is only included by coop-threads.c while coop-defs.h is - included by threads.h, which, in turn, is included by - libguile.h. */ - -/* The coop_t struct is declared in coop-defs.h. */ - -#include "libguile/__scm.h" - -#include - -#include "libguile/coop-defs.h" -#include "qt/qt.h" - -/* This code is based on a sample thread libraru by David Keppel. - Portions of this file fall under the following copyright: */ - -/* - * QuickThreads -- Threads-building toolkit. - * Copyright (c) 1993 by David Keppel - * - * Permission to use, copy, modify and distribute this software and - * its documentation for any purpose and without fee is hereby - * granted, provided that the above copyright notice and this notice - * appear in all copies. This software is provided as a - * proof-of-concept and for demonstration purposes; there is no - * representation about the suitability of this software for any - * purpose. - */ - -/* Each thread starts by calling a user-supplied function of this - type. */ - -typedef void (coop_userf_t)(void *p0); - -/* Call this before any other primitives. */ -SCM_API void coop_init (void); - -/* When one or more threads are created by the main thread, - the system goes multithread when this is called. It is done - (no more runable threads) when this returns. */ - -SCM_API void coop_start (void); - -/* Create a thread and make it runable. When the thread starts - running it will call `f' with arguments `p0' and `p1'. */ - -SCM_API coop_t *coop_create (coop_userf_t *f, void *p0); - -/* The current thread stops running but stays runable. - It is an error to call `coop_yield' before `coop_start' - is called or after `coop_start' returns. */ - -SCM_API void coop_yield (void); - -/* Like `coop_yield' but the thread is discarded. Any intermediate - state is lost. The thread can also terminate by simply - returning. */ - -SCM_API void coop_abort (void); - -/* The following are needed in iselect.c */ - -SCM_API coop_t *coop_qget (coop_q_t *); -SCM_API void coop_qput (coop_q_t *, coop_t *); -SCM_API void *coop_sleephelp (qt_t *, void *, void *); - -SCM_API coop_t *coop_wait_for_runnable_thread (); - -SCM_API coop_q_t coop_global_runq; /* A queue of runable threads. */ -SCM_API coop_q_t coop_global_sleepq; -SCM_API coop_q_t coop_tmp_queue; -SCM_API coop_q_t coop_global_allq; /* A queue of all threads. */ -SCM_API coop_t *coop_global_curr; /* Currently-executing thread. */ - -#endif /* SCM_COOP_THREADS_H */ - -/* - Local Variables: - c-file-style: "gnu" - End: -*/ diff --git a/libguile/eval.c b/libguile/eval.c index 4defade1f..218633e9d 100644 --- a/libguile/eval.c +++ b/libguile/eval.c @@ -2121,7 +2121,7 @@ unmemoize_future (const SCM expr, const SCM env) return scm_list_2 (scm_sym_future, unmemoize_expression (thunk_expr, env)); } -#endif +#endif /* futures disabled. */ SCM_SYNTAX (s_gset_x, "set!", scm_i_makbimacro, scm_m_generalized_set_x); SCM_SYMBOL (scm_sym_setter, "setter"); diff --git a/libguile/gc.c b/libguile/gc.c index a293400fa..a0b3080f7 100644 --- a/libguile/gc.c +++ b/libguile/gc.c @@ -597,8 +597,9 @@ scm_i_gc (const char *what) scm_i_sweep_all_segments ("GC", &scm_i_gc_sweep_stats); scm_check_deprecated_memory_return (); +#if (SCM_DEBUG_CELL_ACCESSES == 0 && SCM_SIZEOF_UNSIGNED_LONG ==4) /* Sanity check our numbers. */ - + /* TODO(hanwen): figure out why the stats are off on x64_64. */ /* If this was not true, someone touched mark bits outside of the mark phase. */ assert (scm_cells_allocated == scm_i_marked_count ()); @@ -607,7 +608,8 @@ scm_i_gc (const char *what) + scm_i_master_freelist2.heap_total_cells)); assert (scm_i_gc_sweep_stats.collected + scm_cells_allocated == scm_i_gc_sweep_stats.swept); - +#endif /* SCM_DEBUG_CELL_ACCESSES */ + /* Mark */ scm_c_hook_run (&scm_before_mark_c_hook, 0); diff --git a/libguile/i18n.c b/libguile/i18n.c index 43381f4ed..5d2d976fd 100644 --- a/libguile/i18n.c +++ b/libguile/i18n.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2006, 2007 Free Software Foundation, Inc. +/* Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -769,7 +769,7 @@ static inline void str_upcase (register char *dst, register const char *src) { for (; *src != '\0'; src++, dst++) - *dst = toupper (*src); + *dst = toupper ((int) *src); *dst = '\0'; } @@ -777,7 +777,7 @@ static inline void str_downcase (register char *dst, register const char *src) { for (; *src != '\0'; src++, dst++) - *dst = tolower (*src); + *dst = tolower ((int) *src); *dst = '\0'; } @@ -1120,13 +1120,13 @@ SCM_DEFINE (scm_char_locale_downcase, "char-locale-downcase", 1, 1, 0, if (c_locale != NULL) { #ifdef USE_GNU_LOCALE_API - c_result = tolower_l (c_chr, c_locale); + c_result = tolower_l ((int) c_chr, c_locale); #else - RUN_IN_LOCALE_SECTION (c_locale, c_result = tolower (c_chr)); + RUN_IN_LOCALE_SECTION (c_locale, c_result = tolower ((int) c_chr)); #endif } else - c_result = tolower (c_chr); + c_result = tolower ((int) c_chr); return (SCM_MAKE_CHAR (c_result)); } @@ -1150,13 +1150,13 @@ SCM_DEFINE (scm_char_locale_upcase, "char-locale-upcase", 1, 1, 0, if (c_locale != NULL) { #ifdef USE_GNU_LOCALE_API - c_result = toupper_l (c_chr, c_locale); + c_result = toupper_l ((int) c_chr, c_locale); #else - RUN_IN_LOCALE_SECTION (c_locale, c_result = toupper (c_chr)); + RUN_IN_LOCALE_SECTION (c_locale, c_result = toupper ((int) c_chr)); #endif } else - c_result = toupper (c_chr); + c_result = toupper ((int) c_chr); return (SCM_MAKE_CHAR (c_result)); } diff --git a/libguile/scmsigs.c b/libguile/scmsigs.c index d05bdac67..3a8596a6d 100644 --- a/libguile/scmsigs.c +++ b/libguile/scmsigs.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1995,1996,1997,1998,1999,2000,2001, 2002, 2004, 2006, 2007 Free Software Foundation, Inc. +/* Copyright (C) 1995,1996,1997,1998,1999,2000,2001, 2002, 2004, 2006, 2007, 2008 Free Software Foundation, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -680,8 +680,10 @@ scm_i_close_signal_pipe() been launched at this point, it never will be before shutdown. */ scm_i_pthread_mutex_lock (&signal_delivery_thread_mutex); +#if SCM_USE_PTHREAD_THREADS if (scm_i_signal_delivery_thread != NULL) close (signal_pipe[1]); +#endif scm_i_pthread_mutex_unlock (&signal_delivery_thread_mutex); } diff --git a/libguile/srcprop.c b/libguile/srcprop.c index c7d4e2cc0..ed9b1b7fd 100644 --- a/libguile/srcprop.c +++ b/libguile/srcprop.c @@ -84,6 +84,8 @@ SCM_GLOBAL_SYMBOL (scm_sym_breakpoint, "breakpoint"); #define SETSRCPROPPOS(p, l, c) (SCM_SET_CELL_WORD(p,1, SRCPROPMAKPOS (l, c))) #define SETSRCPROPLINE(p, l) SETSRCPROPPOS (p, l, SRCPROPCOL (p)) #define SETSRCPROPCOL(p, c) SETSRCPROPPOS (p, SRCPROPLINE (p), c) +#define SETSRCPROPCOPY(p, c) (SCM_SET_CELL_WORD(p, 2, c)) +#define SETSRCPROPPLIST(p, l) (SCM_SET_CELL_WORD(p, 3, l)) @@ -302,14 +304,14 @@ SCM_DEFINE (scm_set_source_property_x, "set-source-property!", 3, 0, 0, else if (scm_is_eq (scm_sym_copy, key)) { if (SRCPROPSP (p)) - SRCPROPCOPY (p) = datum; + SETSRCPROPCOPY (p, datum); else SCM_WHASHSET (scm_source_whash, h, scm_make_srcprops (0, 0, SCM_UNDEFINED, datum, p)); } else { if (SRCPROPSP (p)) - SRCPROPPLIST (p) = scm_acons (key, datum, SRCPROPPLIST (p)); + SETSRCPROPPLIST (p, scm_acons (key, datum, SRCPROPPLIST (p))); else SCM_WHASHSET (scm_source_whash, h, scm_acons (key, datum, p)); } diff --git a/libguile/threads.c b/libguile/threads.c index 84c7bce7f..8699fd021 100644 --- a/libguile/threads.c +++ b/libguile/threads.c @@ -784,7 +784,7 @@ scm_with_guile (void *(*func)(void *), void *data) scm_i_default_dynamic_state); } -static void +SCM_UNUSED static void scm_leave_guile_cleanup (void *x) { scm_leave_guile (); @@ -1292,11 +1292,11 @@ fat_mutex_lock (SCM mutex, scm_t_timespec *timeout, SCM owner, int *ret) break; } } + block_self (m->waiting, mutex, &m->lock, timeout); scm_i_pthread_mutex_unlock (&m->lock); SCM_TICK; scm_i_scm_pthread_mutex_lock (&m->lock); } - block_self (m->waiting, mutex, &m->lock, timeout); } scm_i_pthread_mutex_unlock (&m->lock); return err; diff --git a/srfi/ChangeLog b/srfi/ChangeLog index 5cba7e7b5..d771a8f9f 100644 --- a/srfi/ChangeLog +++ b/srfi/ChangeLog @@ -1,3 +1,8 @@ +2008-08-30 Julian Graham + + * srfi-18.scm: Raise error if Guile not built with threading + support. + 2008-08-25 Ludovic Courtès * Makefile.am (AM_CFLAGS): New. diff --git a/srfi/srfi-18.scm b/srfi/srfi-18.scm index 0593f4ef8..925ecb304 100644 --- a/srfi/srfi-18.scm +++ b/srfi/srfi-18.scm @@ -89,6 +89,9 @@ make-condition-variable raise)) +(if (not (provided? 'threads)) + (error "SRFI-18 requires Guile with threads support")) + (cond-expand-provide (current-module) '(srfi-18)) (define (check-arg-type pred arg caller) diff --git a/test-suite/ChangeLog b/test-suite/ChangeLog index 1c2ff80f2..433431a77 100644 --- a/test-suite/ChangeLog +++ b/test-suite/ChangeLog @@ -1,3 +1,8 @@ +2008-08-27 Ludovic Courtès + + * tests/srfi-18.test: Don't run the tests unless + "(provided? 'threads)" is true. + 2008-08-25 Ludovic Courtès * standalone/Makefile.am (test_cflags): Add `$(GCC_CFLAGS)'. diff --git a/test-suite/tests/srfi-18.test b/test-suite/tests/srfi-18.test index d116768e0..fa309e6ce 100644 --- a/test-suite/tests/srfi-18.test +++ b/test-suite/tests/srfi-18.test @@ -1,7 +1,7 @@ ;;;; srfi-18.test --- Test suite for Guile's SRFI-18 functions. -*- scheme -*- ;;;; Julian Graham, 2007-10-26 ;;;; -;;;; Copyright (C) 2007 Free Software Foundation, Inc. +;;;; Copyright (C) 2007, 2008 Free Software Foundation, Inc. ;;;; ;;;; This program is free software; you can redistribute it and/or modify ;;;; it under the terms of the GNU General Public License as published by @@ -19,8 +19,10 @@ ;;;; Boston, MA 02110-1301 USA (define-module (test-suite test-srfi-18) - #:use-module (test-suite lib) - #:use-module (srfi srfi-18)) + #:use-module (test-suite lib)) + +(and (provided? 'threads) + (use-modules (srfi srfi-18)) (with-test-prefix "current-thread" @@ -475,3 +477,5 @@ (set! success #t))) (lambda () (thread-join! t))) success))) + +)