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authorWaldemar Brodkorb <wbx@uclibc-ng.org>2016-09-26 08:29:12 (GMT)
committerWaldemar Brodkorb <wbx@uclibc-ng.org>2016-09-26 08:29:12 (GMT)
commitb06f85d62c41a4ed108628b1c564203f36c0ab4e (patch)
treee0b82be06a5d95c865063152882e44506ec96a86
parent8fb9dbf08043e5783f1e0680655af04ecf9888cb (diff)
test: sync tst-atfork2 with GNU libc
-rw-r--r--test/nptl/Makefile.in8
-rw-r--r--test/nptl/libatfork.c27
-rw-r--r--test/nptl/tst-atfork2.c158
-rw-r--r--test/nptl/tst-atfork2mod.c57
4 files changed, 206 insertions, 44 deletions
diff --git a/test/nptl/Makefile.in b/test/nptl/Makefile.in
index f8dd1ca..f5d76da 100644
--- a/test/nptl/Makefile.in
+++ b/test/nptl/Makefile.in
@@ -152,8 +152,8 @@ CFLAGS_tst-initializers1-gnu99 = $(CFLAGS-tst-initializers1) -std=gnu99
EXTRA_LDFLAGS = $(if $(findstring -lpthread,$(LDFLAGS_$@)),,-lpthread)
-LDFLAGS_tst-atfork2 := -ldl
-LDFLAGS_libatfork.so := -shared -static-libgcc -lpthread
+LDFLAGS_tst-atfork2 := -ldl -rdynamic
+LDFLAGS_tst-atfork2mod.so := -shared -static-libgcc -lpthread
LDFLAGS_tst-cleanup4 := tst-cleanup4aux.o
LDFLAGS_tst-cleanupx4 := tst-cleanup4aux.o
LDFLAGS_tst-clock2 := -lrt
@@ -210,8 +210,8 @@ tst-tls5: tst-tls5mod.so
tst-cleanupx4 : tst-cleanup4aux.o
tst-fini1: tst-fini1mod.so
-tst-atfork2: libatfork.so
-tst-atfork2_glibc: libatfork.so.glibc
+tst-atfork2: tst-atfork2mod.so
+tst-atfork2_glibc: tst-atfork2mod.so.glibc
OPTS_tst-cancel7 = -c ./tst-cancel7
OPTS_tst-mqueue7 = -- ./tst-mqueue7
diff --git a/test/nptl/libatfork.c b/test/nptl/libatfork.c
deleted file mode 100644
index f4ddca0..0000000
--- a/test/nptl/libatfork.c
+++ /dev/null
@@ -1,27 +0,0 @@
-#include <stdio.h>
-#include <pthread.h>
-
-static void atfork_prepare(void)
-{
- /* nothing to do */
-}
-
-static void atfork_parent(void)
-{
- /* nothing to do */
-}
-
-static void atfork_child(void)
-{
- /* nothing to do */
-}
-
-static __attribute__((constructor)) void init(void)
-{
- pthread_atfork(atfork_prepare, atfork_parent, atfork_child);
-}
-
-static __attribute__((destructor)) void done(void)
-{
- /* nothing to do */
-}
diff --git a/test/nptl/tst-atfork2.c b/test/nptl/tst-atfork2.c
index 1c303de..594f56e 100644
--- a/test/nptl/tst-atfork2.c
+++ b/test/nptl/tst-atfork2.c
@@ -1,24 +1,156 @@
+/* Copyright (C) 2003-2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+ The GNU C 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.
+
+ The GNU C 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 the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <dlfcn.h>
+#include <errno.h>
+#include <pthread.h>
#include <stdio.h>
+#include <stdlib.h>
#include <unistd.h>
-#include <dlfcn.h>
+#include <sys/wait.h>
+
-int main(int argc, char *argv[])
+/* Must be exported. */
+int val;
+
+static void
+prepare (void)
{
- void *h;
- pid_t pid;
+ val *= 2;
+}
- h = dlopen("libatfork.so", RTLD_NOW);
- if (!h)
+static void
+parent (void)
+{
+ val += 4;
+}
+
+static void
+child (void)
+{
+ val += 8;
+}
+
+
+static int
+do_test (void)
+{
+
+ if (pthread_atfork (prepare, parent, child) != 0)
{
- printf("Failed to open libatfork.so\n");
- return 1;
+ puts ("do_test: atfork failed");
+ exit (1);
}
- dlclose(h);
- if ((pid = fork()) < 0) {
- printf("Fork failed\n");
- return 1;
+ void *h = dlopen ("tst-atfork2mod.so", RTLD_LAZY);
+ if (h == NULL)
+ {
+ printf ("dlopen failed: %s\n", dlerror ());
+ exit (1);
}
- return 0;
+ /* First trial of fork. */
+ pid_t pid = fork ();
+ if (pid == -1)
+ {
+ puts ("1st fork failed");
+ exit (1);
+ }
+
+ if (pid == 0)
+ {
+ /* Child. */
+ if (val != 80)
+ {
+ printf ("1st: expected val=%d, got %d\n", 80, val);
+ exit (2);
+ }
+
+ exit (0);
+ }
+
+ /* Parent. */
+ if (val != 24)
+ {
+ printf ("1st: expected val=%d, got %d\n", 24, val);
+ exit (1);
+ }
+
+ int status;
+ if (TEMP_FAILURE_RETRY (waitpid (pid, &status, 0)) != pid)
+ {
+ puts ("1st waitpid failed");
+ exit (1);
+ }
+
+ if (status != 0)
+ exit (status);
+
+ puts ("unloading now");
+
+ /* Unload the module. */
+ if (dlclose (h) != 0)
+ {
+ puts ("dlclose failed");
+ exit (1);
+ }
+
+ puts ("2nd fork");
+
+ /* Second fork trial. */
+ val = 1;
+ pid = fork ();
+ if (pid == -1)
+ {
+ puts ("2nd fork failed");
+ exit (1);
+ }
+
+ if (pid == 0)
+ {
+ /* Child. */
+ if (val != 10)
+ {
+ printf ("2nd: expected val=%d, got %d\n", 10, val);
+ exit (3);
+ }
+
+ exit (0);
+ }
+
+ /* Parent. */
+ if (val != 6)
+ {
+ printf ("2nd: expected val=%d, got %d\n", 6, val);
+ exit (1);
+ }
+
+ if (TEMP_FAILURE_RETRY (waitpid (pid, &status, 0)) != pid)
+ {
+ puts ("2nd waitpid failed");
+ exit (1);
+ }
+
+ if (status != 0)
+ exit (status);
+
+ return 0;
}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
diff --git a/test/nptl/tst-atfork2mod.c b/test/nptl/tst-atfork2mod.c
new file mode 100644
index 0000000..7c592b4
--- /dev/null
+++ b/test/nptl/tst-atfork2mod.c
@@ -0,0 +1,57 @@
+/* Copyright (C) 2003-2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+ The GNU C 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.
+
+ The GNU C 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 the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+
+extern int val;
+
+
+static void
+prepare (void)
+{
+ ++val;
+}
+
+static void
+parent (void)
+{
+ val *= 4;
+}
+
+static void
+child (void)
+{
+ val *= 8;
+}
+
+static void
+__attribute__ ((constructor))
+init (void)
+{
+ extern void *__dso_handle;
+ printf ("dsohandle = %p\n", __dso_handle);
+
+ if (pthread_atfork (prepare, parent, child) != 0)
+ {
+ puts ("init: atfork failed");
+ exit (1);
+ }
+}