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lock: more tests


From: Bruno Haible
Subject: lock: more tests
Date: Sat, 17 Feb 2018 10:11:15 +0100
User-agent: KMail/5.1.3 (Linux/4.4.0-112-generic; KDE/5.18.0; x86_64; ; )

Let me add a test of the gl_once API of glthread/lock.h.


2018-02-17  Bruno Haible  <address@hidden>

        lock: Add test of gl_once.
        * tests/test-once.c: New file.
        * modules/lock-tests (Files): Add it.
        (Makefile.am): Build and test programs 'test-once1' and 'test-once2'.

============================== tests/test-once.c ==============================
/* Test of once-only execution in multithreaded situations.
   Copyright (C) 2018 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
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */

/* Written by Bruno Haible <address@hidden>, 2018.  */

#include <config.h>

#include "glthread/lock.h"

#include "macros.h"

gl_once_define(static, a_once)

static int a;

static void
a_init (void)
{
  a = 42;
}

int
main ()
{
  gl_once (a_once, a_init);

  ASSERT (a == 42);

  return 0;
}
===============================================================================
diff --git a/modules/lock-tests b/modules/lock-tests
index bfab1f4..52858f7 100644
--- a/modules/lock-tests
+++ b/modules/lock-tests
@@ -1,6 +1,7 @@
 Files:
 tests/test-rwlock1.c
 tests/test-lock.c
+tests/test-once.c
 
 Depends-on:
 thread
@@ -11,7 +12,11 @@ configure.ac:
 AC_CHECK_HEADERS_ONCE([semaphore.h])
 
 Makefile.am:
-TESTS += test-rwlock1 test-lock
-check_PROGRAMS += test-rwlock1 test-lock
+TESTS += test-rwlock1 test-lock test-once1 test-once2
+check_PROGRAMS += test-rwlock1 test-lock test-once1 test-once2
 test_rwlock1_LDADD = $(LDADD) @LIBMULTITHREAD@ @YIELD_LIB@
 test_lock_LDADD = $(LDADD) @LIBMULTITHREAD@ @YIELD_LIB@
+test_once1_SOURCES = test-once.c
+test_once1_LDADD = $(LDADD) @LIBTHREAD@
+test_once2_SOURCES = test-once.c
+test_once2_LDADD = $(LDADD) @LIBMULTITHREAD@




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