Add pthread-related tests.

* test-suite/standalone/Makefile.am (test_scm_spawn_thread_CFLAGS,
  test_scm_spawn_thread_LDADD, test_pthread_create_CFLAGS,
  test_pthread_create_LDADD, test_pthread_create_secondary_CFLAGS,
  test_pthread_create_secondary_LDADD): New variables.
  (check_PROGRAMS)[BUILD_PTHREAD_SUPPORT]: Add `test-scm-spawn-thread',
  `test-pthread_create', `test-pthread_create-secondary'.
  (TESTS)[BUILD_PTHREAD_SUPPORT]: Likewise.

* test-suite/standalone/test-scm-spawn-thread.c,
  test-suite/standalone/test-pthread-create.c,
  test-suite/standalone/test-pthread-create-secondary.c: New files.

.gitignore

@@ -139,3 +139,6 @@ INSTALL
 /.sc-start-*
 /lib/math.h
 /lib/sys/time.h
+/test-suite/standalone/test-scm-spawn-thread
+/test-suite/standalone/test-pthread-create
+/test-suite/standalone/test-pthread-create-secondary

test-suite/standalone/Makefile.am

@@ -198,6 +198,21 @@ test_scm_with_guile_LDADD = $(LIBGUILE_LDADD)
 check_PROGRAMS += test-scm-with-guile
 TESTS += test-scm-with-guile
 
+test_scm_spawn_thread_CFLAGS = ${test_cflags}
+test_scm_spawn_thread_LDADD = $(LIBGUILE_LDADD)
+check_PROGRAMS += test-scm-spawn-thread
+TESTS += test-scm-spawn-thread
+
+test_pthread_create_CFLAGS = ${test_cflags}
+test_pthread_create_LDADD = $(LIBGUILE_LDADD)
+check_PROGRAMS += test-pthread-create
+TESTS += test-pthread-create
+
+test_pthread_create_secondary_CFLAGS = ${test_cflags} $(BDW_GC_CFLAGS)
+test_pthread_create_secondary_LDADD = $(LIBGUILE_LDADD)
+check_PROGRAMS += test-pthread-create-secondary
+TESTS += test-pthread-create-secondary
+
 else
 
 EXTRA_DIST += test-with-guile-module.c test-scm-with-guile.c

test-suite/standalone/test-pthread-create-secondary.c

@@ -0,0 +1,85 @@
+/* Copyright (C) 2011 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 3 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
+ */
+
+/* Test whether threads created with `pthread_create' work, and whether
+   a secondary thread can call `scm_with_guile'. (bug #32436).  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <pthread.h>
+#include <stdlib.h>
+#include <libguile.h>
+
+#include <gc/gc_version.h>
+
+
+/* Up to GC 7.2alpha5, calling `GC_INIT' from a secondary thread would
+   lead to a segfault.  This was fixed in BDW-GC on 2011-04-16 by Ivan
+   Maidanski.  See <http://thread.gmane.org/gmane.lisp.guile.bugs/5340>
+   for details.  */
+
+#if (GC_VERSION_MAJOR > 7)					\
+  || ((GC_VERSION_MAJOR == 7) && (GC_VERSION_MINOR > 2))	\
+  || ((GC_VERSION_MAJOR == 7) && (GC_VERSION_MINOR == 2)	\
+      && (GC_ALPHA_VERSION > 5))
+
+static void *
+do_something (void *arg)
+{
+  scm_list_copy (scm_make_list (scm_from_int (1234), SCM_BOOL_T));
+  scm_gc ();
+  return NULL;
+}
+
+static void *
+thread (void *arg)
+{
+  scm_with_guile (do_something, NULL);
+  return NULL;
+}
+
+
+int
+main (int argc, char *argv[])
+{
+  int i;
+
+  for (i = 0; i < 77; i++)
+    {
+      pthread_t thr;
+
+      pthread_create (&thr, NULL, thread, NULL);
+      pthread_join (thr, NULL);
+    }
+
+  return EXIT_SUCCESS;
+}
+
+
+#else /* GC < 7.2 */
+
+int
+main (int argc, char *argv[])
+{
+  /* Skip.  */
+  return 77;
+}
+
+#endif /* GC < 7.2 */

test-suite/standalone/test-pthread-create.c

@@ -0,0 +1,63 @@
+/* Copyright (C) 2011 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 3 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
+ */
+
+/* Test whether threads created with `pthread_create' work (bug #32436)
+   when then main thread is the one that initializes Guile.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <pthread.h>
+#include <stdlib.h>
+#include <libguile.h>
+
+static void *
+do_something (void *arg)
+{
+  scm_list_copy (scm_make_list (scm_from_int (1234), SCM_BOOL_T));
+  scm_gc ();
+  return NULL;
+}
+
+static void *
+thread (void *arg)
+{
+  scm_with_guile (do_something, NULL);
+  return NULL;
+}
+
+
+int
+main (int argc, char *argv[])
+{
+  int i;
+  pthread_t thr;
+
+  scm_init_guile ();
+
+  do_something (NULL);
+
+  for (i = 0; i < 77; i++)
+    {
+      pthread_create (&thr, NULL, thread, NULL);
+      pthread_join (thr, NULL);
+    }
+
+  return EXIT_SUCCESS;
+}

test-suite/standalone/test-scm-spawn-thread.c

@@ -0,0 +1,62 @@
+/* Copyright (C) 2011 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 3 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
+ */
+
+/* Test whether a thread created with `scm_spawn_thread' can be joined.
+   See <http://thread.gmane.org/gmane.lisp.guile.devel/11804> for the
+   original report.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <libguile.h>
+
+#include <time.h>
+#include <stdlib.h>
+
+static SCM
+thread_main (void *data)
+{
+  return SCM_BOOL_T;
+}
+
+static SCM
+thread_handler (void *data, SCM key, SCM args)
+{
+  return SCM_BOOL_T;
+}
+
+static void *
+inner_main (void *data)
+{
+  SCM thread, timeout;
+
+  thread = scm_spawn_thread (thread_main, 0, thread_handler, 0);
+  timeout = scm_from_unsigned_integer (time (NULL) + 10);
+  return (void *) scm_join_thread_timed (thread, timeout, SCM_BOOL_F);
+}
+
+
+int
+main (int argc, char **argv)
+{
+  SCM result;
+
+  result = PTR2SCM (scm_with_guile (inner_main, 0));
+  return scm_is_true (result) ? EXIT_SUCCESS : EXIT_FAILURE;
+}