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GNU C Library master sources branch master updated. glibc-2.26-190-g5f3b183
- From: ppluzhnikov at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 28 Aug 2017 02:11:07 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.26-190-g5f3b183
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=5f3b183d198b39ca993a41aadb02bddd9fde078d
commit 5f3b183d198b39ca993a41aadb02bddd9fde078d
Author: Paul Pluzhnikov <ppluzhnikov@google.com>
Date: Sun Aug 27 19:10:40 2017 -0700
2017-08-27 Paul Pluzhnikov <ppluzhnikov@google.com>
* stdlib/Makefile (tst-atexit, tst-at_quick_exit): New tests.
(tst-cxa_atexit, tst-on_exit): Likewise.
* stdlib/Makefile (tests): Add tst-atexit, tst-at_quick_exit,
tst-cxa_atexit, and tst-on_exit.
* stdlib/tst-atexit-common.c: New file.
* stdlib/tst-atexit.c: New file.
* stdlib/tst-at_quick_exit.c: New file.
* stdlib/tst-cxa_atexit.c: New file.
* stdlib/tst-on_exit.c: New file.
diff --git a/ChangeLog b/ChangeLog
index a93769f..6dbf10c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2017-08-27 Paul Pluzhnikov <ppluzhnikov@google.com>
+
+ * stdlib/Makefile (tst-atexit, tst-at_quick_exit): New tests.
+ (tst-cxa_atexit, tst-on_exit): Likewise.
+ * stdlib/Makefile (tests): Add tst-atexit, tst-at_quick_exit,
+ tst-cxa_atexit, and tst-on_exit.
+ * stdlib/tst-atexit-common.c: New file.
+ * stdlib/tst-atexit.c: New file.
+ * stdlib/tst-at_quick_exit.c: New file.
+ * stdlib/tst-cxa_atexit.c: New file.
+ * stdlib/tst-on_exit.c: New file.
+
2017-08-27 Samuel Thibault <samuel.thibault@ens-lyon.org>
* sysdeps/mach/hurd/bits/sysmacros.h: New file.
diff --git a/stdlib/Makefile b/stdlib/Makefile
index e4b36ca..2da39e0 100644
--- a/stdlib/Makefile
+++ b/stdlib/Makefile
@@ -80,7 +80,9 @@ tests := tst-strtol tst-strtod testmb testrand testsort testdiv \
tst-strtol-locale tst-strtod-nan-locale tst-strfmon_l \
tst-quick_exit tst-thread-quick_exit tst-width \
tst-width-stdint tst-strfrom tst-strfrom-locale \
- tst-getrandom
+ tst-getrandom tst-atexit tst-at_quick_exit \
+ tst-cxa_atexit tst-on_exit
+
tests-internal := tst-strtod1i tst-strtod3 tst-strtod4 tst-strtod5i \
tst-tls-atexit tst-tls-atexit-nodelete
tests-static := tst-secure-getenv
diff --git a/stdlib/tst-at_quick_exit.c b/stdlib/tst-at_quick_exit.c
new file mode 100644
index 0000000..ea9e81d
--- /dev/null
+++ b/stdlib/tst-at_quick_exit.c
@@ -0,0 +1,22 @@
+/* Verify functions registered via at_auick_exit run in LIFO order.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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/>. */
+
+#define ATEXIT(fn) at_quick_exit (fn)
+#define EXIT(x) quick_exit (x)
+
+#include <stdlib/tst-atexit-common.c>
diff --git a/stdlib/tst-atexit-common.c b/stdlib/tst-atexit-common.c
new file mode 100644
index 0000000..262235a
--- /dev/null
+++ b/stdlib/tst-atexit-common.c
@@ -0,0 +1,95 @@
+/* Helper file for tst-{atexit,at_quick_exit,cxa_atexit,on_exit}.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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 <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#define MAX_ATEXIT 20 /* Large enough for current set of invocations. */
+static char crumbs[MAX_ATEXIT];
+static int next_slot = 0;
+
+static void
+fn0 (void)
+{
+ crumbs[next_slot++] = '0';
+}
+
+static void
+fn1 (void)
+{
+ crumbs[next_slot++] = '1';
+}
+
+static void
+fn2 (void)
+{
+ crumbs[next_slot++] = '2';
+ ATEXIT (fn1);
+}
+
+static void
+fn3 (void)
+{
+ crumbs[next_slot++] = '3';
+ ATEXIT (fn2);
+ ATEXIT (fn0);
+}
+
+static void
+fn_final (void)
+{
+ /* Arbitrary sequence matching current registrations. */
+ const char expected[] = "3021121130211";
+
+ if (strcmp (crumbs, expected) == 0)
+ _exit (0);
+
+ printf ("crumbs: %s\n", crumbs);
+ printf ("expected: %s\n", expected);
+ _exit (1);
+}
+
+/* This is currently just a basic test to verify that exit handlers execute
+ in LIFO order, even when the handlers register additional new handlers.
+
+ TODO: Additional tests that we should do:
+ 1. POSIX says we need to support at least ATEXIT_MAX
+ 2. Verify that fork'd child inherit the registrations of the parent.
+ 3. ... */
+
+static int
+do_test (void)
+{
+ /* Register this first so it can verify expected order of the rest. */
+ ATEXIT (fn_final);
+
+ ATEXIT (fn1);
+ ATEXIT (fn3);
+ ATEXIT (fn1);
+ ATEXIT (fn2);
+ ATEXIT (fn1);
+ ATEXIT (fn3);
+
+ EXIT (2); /* If we see this exit code, fn_final must have not worked. */
+}
+
+#define TEST_FUNCTION do_test
+#include <support/test-driver.c>
diff --git a/stdlib/tst-atexit.c b/stdlib/tst-atexit.c
new file mode 100644
index 0000000..f7b2ea4
--- /dev/null
+++ b/stdlib/tst-atexit.c
@@ -0,0 +1,22 @@
+/* Verify functions registered via atexit run in LIFO order.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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/>. */
+
+#define ATEXIT(fn) atexit (fn)
+#define EXIT(x) exit (x)
+
+#include <stdlib/tst-atexit-common.c>
diff --git a/stdlib/tst-cxa_atexit.c b/stdlib/tst-cxa_atexit.c
new file mode 100644
index 0000000..f6d2cc3
--- /dev/null
+++ b/stdlib/tst-cxa_atexit.c
@@ -0,0 +1,24 @@
+/* Verify functions registered via __cxa_atexit run in LIFO order.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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/>. */
+
+extern int __cxa_atexit (void (*func) (void *), void *arg, void *d);
+
+#define ATEXIT(fn) __cxa_atexit ((void (*) (void *)) fn, (void *) 0, (void *) 0)
+#define EXIT(x) exit (x)
+
+#include <stdlib/tst-atexit-common.c>
diff --git a/stdlib/tst-on_exit.c b/stdlib/tst-on_exit.c
new file mode 100644
index 0000000..970d214
--- /dev/null
+++ b/stdlib/tst-on_exit.c
@@ -0,0 +1,22 @@
+/* Verify functions registered via on_exit run in LIFO order.
+ Copyright (C) 2017 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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/>. */
+
+#define ATEXIT(fn) on_exit ((void (*) (int, void *)) fn, (void *) 0)
+#define EXIT(x) exit (x)
+
+#include <stdlib/tst-atexit-common.c>
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 12 ++++++
stdlib/Makefile | 4 +-
stdlib/tst-at_quick_exit.c | 22 ++++++++++
stdlib/tst-atexit-common.c | 95 ++++++++++++++++++++++++++++++++++++++++++++
stdlib/tst-atexit.c | 22 ++++++++++
stdlib/tst-cxa_atexit.c | 24 +++++++++++
stdlib/tst-on_exit.c | 22 ++++++++++
7 files changed, 200 insertions(+), 1 deletions(-)
create mode 100644 stdlib/tst-at_quick_exit.c
create mode 100644 stdlib/tst-atexit-common.c
create mode 100644 stdlib/tst-atexit.c
create mode 100644 stdlib/tst-cxa_atexit.c
create mode 100644 stdlib/tst-on_exit.c
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