add a testcase to catch the problem seen with PR 20295, where

apr_file_write_full() to pipe with timeout can return EAGAIN

PR:             20295 (not fixed just yet)


git-svn-id: http://svn.apache.org/repos/asf/apr/apr/trunk@64527 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 84 insertions, 0 deletions

diff --git a/test/readchild.c b/test/readchild.c
new file mode 100644
index 000000000..e20f6a3b6
--- /dev/null
+++ b/test/readchild.c
@@ -0,0 +1,84 @@
+/* ====================================================================
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2000-2003 The Apache Software Foundation.  All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. The end-user documentation included with the redistribution,
+ *    if any, must include the following acknowledgment:
+ *       "This product includes software developed by the
+ *        Apache Software Foundation (http://www.apache.org/)."
+ *    Alternately, this acknowledgment may appear in the software itself,
+ *    if and wherever such third-party acknowledgments normally appear.
+ *
+ * 4. The names "Apache" and "Apache Software Foundation" must
+ *    not be used to endorse or promote products derived from this
+ *    software without prior written permission. For written
+ *    permission, please contact apache@apache.org.
+ *
+ * 5. Products derived from this software may not be called "Apache",
+ *    nor may "Apache" appear in their name, without prior written
+ *    permission of the Apache Software Foundation.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ */
+
+#include <stdlib.h>
+
+#include "apr_file_io.h"
+
+int main(int argc, char *argv[])
+{
+    apr_file_t *in, *out;
+    apr_size_t nbytes, total_bytes;
+    apr_pool_t *p;
+    char buf[128];
+    apr_status_t rv;
+    
+    apr_initialize();
+    atexit(apr_terminate);
+    apr_pool_create(&p, NULL);
+
+    apr_file_open_stdin(&in, p);
+    apr_file_open_stdout(&out, p);
+
+    total_bytes = 0;
+    nbytes = sizeof(buf);
+    while ((rv = apr_file_read(in, buf, &nbytes)) == APR_SUCCESS) {
+        total_bytes += nbytes;
+        nbytes = sizeof(buf);
+    }
+
+    apr_file_printf(out, "%" APR_SIZE_T_FMT " bytes were read\n",
+                    total_bytes);
+    return 0;
+}