diff --git a/contrib/sb-bsd-sockets/constants.lisp b/contrib/sb-bsd-sockets/constants.lisp
index 88f5bb7c4..23fd87277 100644
--- a/contrib/sb-bsd-sockets/constants.lisp
+++ b/contrib/sb-bsd-sockets/constants.lisp
@@ -93,8 +93,8 @@
(:integer EAFNOSUPPORT "EAFNOSUPPORT")
(:integer EINPROGRESS "EINPROGRESS")
- (:integer NETDB-INTERNAL #+hpux "h_NETDB_INTERNAL" #-hpux "NETDB_INTERNAL" "See errno.")
- (:integer NETDB-SUCCESS #+hpux "h_NETDB_SUCCESS" #-hpux "NETDB_SUCCESS" "No problem.")
+ (:integer-no-check NETDB-INTERNAL #-os-provides-netdb-internal "-1" #+(and os-provides-netdb-internal hpux) "h_NETDB_INTERNAL" #+(and os-provides-netdb-internal (not hpux)) "NETDB_INTERNAL" "See errno.")
+ (:integer-no-check NETDB-SUCCESS #-os-provides-netdb-internal "0" #+(and os-provides-netdb-internal hpux) "h_NETDB_SUCCESS" #+(and os-provides-netdb-internal (not hpux)) "NETDB_SUCCESS" "No problem.")
(:integer HOST-NOT-FOUND "HOST_NOT_FOUND" "Authoritative Answer Host not found.")
(:integer TRY-AGAIN "TRY_AGAIN" "Non-Authoritative Host not found, or SERVERFAIL.")
(:integer NO-RECOVERY "NO_RECOVERY" "Non recoverable errors, FORMERR, REFUSED, NOTIMP.")
diff --git a/src/runtime/linux-os.c b/src/runtime/linux-os.c
index fa4f5e490..60b5fea4e 100644
--- a/src/runtime/linux-os.c
+++ b/src/runtime/linux-os.c
@@ -187,8 +187,15 @@ isnptl (void)
if (strstr (buf, "NPTL")) {
return 1;
}
+ else {
+ return 0;
+ }
+ }
+ else {
+ /* If the configuration variable is empty, just assume we have a
+ * good enough thread implementation. */
+ return 1;
}
- return 0;
}
#endif
diff --git a/tests/foreign.test.sh b/tests/foreign.test.sh
index 7fb757813..9ba8ed3cf 100755
--- a/tests/foreign.test.sh
+++ b/tests/foreign.test.sh
@@ -248,16 +248,23 @@ cat > $TEST_FILESTEM.test.lisp <<EOF
(assert (= 13 foo))
(assert (= 42 (bar)))
(note "/original definitions ok")
- (rename-file "$TEST_FILESTEM-b.so" "$TEST_FILESTEM-b.bak")
- (rename-file "$TEST_FILESTEM-b2.so" "$TEST_FILESTEM-b.so")
- (load-shared-object (truename "$TEST_FILESTEM-b.so"))
- (note "/reloading ok")
- (assert (= 42 foo))
- (assert (= 13 (bar)))
- (note "/redefined versions ok")
- (rename-file "$TEST_FILESTEM-b.so" "$TEST_FILESTEM-b2.so")
- (rename-file "$TEST_FILESTEM-b.bak" "$TEST_FILESTEM-b.so")
- (note "/renamed back to originals")
+ ;; test late resolution
+ (eval-when (:compile-toplevel :load-toplevel :execute)
+ (setq *features* (union *features* sb-impl:+internal-features+)))
+ #+dlclose-is-noop
+ (note "/skipping reloading tests")
+ #-dlclose-is-noop
+ (progn
+ (rename-file "$TEST_FILESTEM-b.so" "$TEST_FILESTEM-b.bak")
+ (rename-file "$TEST_FILESTEM-b2.so" "$TEST_FILESTEM-b.so")
+ (load-shared-object (truename "$TEST_FILESTEM-b.so"))
+ (note "/reloading ok")
+ (assert (= 42 foo))
+ (assert (= 13 (bar)))
+ (note "/redefined versions ok")
+ (rename-file "$TEST_FILESTEM-b.so" "$TEST_FILESTEM-b2.so")
+ (rename-file "$TEST_FILESTEM-b.bak" "$TEST_FILESTEM-b.so")
+ (note "/renamed back to originals"))
;; test late resolution
#+linkage-table
@@ -274,13 +278,17 @@ cat > $TEST_FILESTEM.test.lisp <<EOF
(load-shared-object (truename "$TEST_FILESTEM-c.so"))
(assert (= 43 late-foo))
(assert (= 14 (late-bar)))
- (unload-shared-object (truename "$TEST_FILESTEM-c.so"))
- (multiple-value-bind (val err) (ignore-errors late-foo)
- (assert (not val))
- (assert (typep err 'undefined-alien-error)))
- (multiple-value-bind (val err) (ignore-errors (late-bar))
- (assert (not val))
- (assert (typep err 'undefined-alien-error)))
+ #+dlclose-is-noop
+ (note "/skipping unloading tests")
+ #-dlclose-is-noop
+ (progn
+ (unload-shared-object (truename "$TEST_FILESTEM-c.so"))
+ (multiple-value-bind (val err) (ignore-errors late-foo)
+ (assert (not val))
+ (assert (typep err 'undefined-alien-error)))
+ (multiple-value-bind (val err) (ignore-errors (late-bar))
+ (assert (not val))
+ (assert (typep err 'undefined-alien-error))))
(note "/linkage table ok"))
(sb-ext:exit :code $EXIT_LISP_WIN) ; success convention for Lisp program
diff --git a/tools-for-build/Makefile b/tools-for-build/Makefile
index 3f6e4ecf9..39bab2b92 100644
--- a/tools-for-build/Makefile
+++ b/tools-for-build/Makefile
@@ -16,6 +16,9 @@ LDLIBS:=$(OS_LIBS)
all: grovel-headers determine-endianness where-is-mcontext
+dlclose-is-noop-test-helper.so: dlclose-is-noop-test-helper.c
+ @$(CC) $(LDFLAGS) -shared $< -o $@ $(LOADLIBES) $(LDLIBS)
+
clean:
rm -f *.o grovel-headers determine-endianness where-is-mcontext
rm -f *.exe
diff --git a/tools-for-build/dlclose-is-noop-test-helper.c b/tools-for-build/dlclose-is-noop-test-helper.c
new file mode 100644
index 000000000..4be7a8e5b
--- /dev/null
+++ b/tools-for-build/dlclose-is-noop-test-helper.c
@@ -0,0 +1 @@
+int sbcl_dl_close_test = 42;
diff --git a/tools-for-build/dlclose-is-noop-test.c b/tools-for-build/dlclose-is-noop-test.c
new file mode 100644
index 000000000..f4eab26a5
--- /dev/null
+++ b/tools-for-build/dlclose-is-noop-test.c
@@ -0,0 +1,19 @@
+/* test to build and run so that we know if we have a noop dlclose
+ */
+
+#include <dlfcn.h>
+#include <stddef.h>
+
+int main ()
+{
+ void * handle = dlopen("./dlclose-is-noop-test-helper.so", RTLD_NOW | RTLD_GLOBAL);
+ dlclose(handle);
+
+ handle = dlopen("./dlclose-is-noop-test-helper.so", RTLD_NOW | RTLD_NOLOAD);
+
+ if (handle != NULL) {
+ return 104;
+ } else {
+ return 0;
+ }
+}
diff --git a/tools-for-build/grovel-features.sh b/tools-for-build/grovel-features.sh
index ffc4307eb..bf1448a6a 100644
--- a/tools-for-build/grovel-features.sh
+++ b/tools-for-build/grovel-features.sh
@@ -36,3 +36,12 @@
if [ "$sbcl_arch" = arm ] ; then
featurep arm-softfp
fi
+
+featurep os-provides-netdb-internal
+
+# We need a helper shared library to test dlclose-is-noop
+$GNUMAKE dlclose-is-noop-test-helper.so > /dev/null 2>&1
+
+featurep dlclose-is-noop
+
+rm -f dlclose-is-noop-test-helper.so
diff --git a/tools-for-build/os-provides-netdb-internal-test.c b/tools-for-build/os-provides-netdb-internal-test.c
new file mode 100644
index 000000000..cab08cc41
--- /dev/null
+++ b/tools-for-build/os-provides-netdb-internal-test.c
@@ -0,0 +1,12 @@
+#include <netdb.h>
+
+int main ()
+{
+#if defined NETDB_INTERNAL && defined NETDB_SUCCESS
+ return 104;
+#elif defined h_NETDB_INTERNAL && defined h_NETDB_SUCCESS
+ return 104;
+#else
+ return 0;
+#endif
+}