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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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* The Original Code is the Netscape Portable Runtime (NSPR).
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1999-2000 Netscape Communications Corporation. All
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU General Public License Version 2 or later (the
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* "GPL"), in which case the provisions of the GPL are applicable
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* instead of those above. If you wish to allow use of your
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* version of this file only under the terms of the GPL and not to
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* allow others to use your version of this file under the MPL,
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* indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by
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* the GPL. If you do not delete the provisions above, a recipient
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* may use your version of this file under either the MPL or the
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* This test runs in conjunction with the sockpong test.
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* This test creates a socket pair and passes one socket
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* to the sockpong test. Then this test writes "ping" to
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* to the sockpong test and the sockpong test writes "pong"
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* back. To run this pair of tests, just invoke sockping.
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* Tested areas: process creation, socket pairs, file
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* descriptor inheritance.
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#define NUM_ITERATIONS 10
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static char *child_argv[] = { "sockpong", NULL };
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status = PR_NewTCPSocketPair(sock);
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if (status == PR_FAILURE) {
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fprintf(stderr, "PR_NewTCPSocketPair failed\n");
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status = PR_SetFDInheritable(sock[0], PR_FALSE);
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if (status == PR_FAILURE) {
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fprintf(stderr, "PR_SetFDInheritable failed: (%d, %d)\n",
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PR_GetError(), PR_GetOSError());
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status = PR_SetFDInheritable(sock[1], PR_TRUE);
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if (status == PR_FAILURE) {
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fprintf(stderr, "PR_SetFDInheritable failed: (%d, %d)\n",
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PR_GetError(), PR_GetOSError());
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attr = PR_NewProcessAttr();
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fprintf(stderr, "PR_NewProcessAttr failed\n");
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status = PR_ProcessAttrSetInheritableFD(attr, sock[1], "SOCKET");
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if (status == PR_FAILURE) {
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fprintf(stderr, "PR_ProcessAttrSetInheritableFD failed\n");
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process = PR_CreateProcess(child_argv[0], child_argv, NULL, attr);
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if (process == NULL) {
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fprintf(stderr, "PR_CreateProcess failed\n");
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PR_DestroyProcessAttr(attr);
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status = PR_Close(sock[1]);
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if (status == PR_FAILURE) {
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fprintf(stderr, "PR_Close failed\n");
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for (idx = 0; idx < NUM_ITERATIONS; idx++) {
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printf("ping process: sending \"%s\"\n", buf);
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nBytes = PR_Write(sock[0], buf, 5);
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fprintf(stderr, "PR_Write failed: (%d, %d)\n",
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PR_GetError(), PR_GetOSError());
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memset(buf, 0, sizeof(buf));
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nBytes = PR_Read(sock[0], buf, sizeof(buf));
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fprintf(stderr, "PR_Read failed: (%d, %d)\n",
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PR_GetError(), PR_GetOSError());
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printf("ping process: received \"%s\"\n", buf);
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fprintf(stderr, "ping process: expected 5 bytes but got %d bytes\n",
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if (strcmp(buf, "pong") != 0) {
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fprintf(stderr, "ping process: expected \"pong\" but got \"%s\"\n",
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status = PR_Close(sock[0]);
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if (status == PR_FAILURE) {
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fprintf(stderr, "PR_Close failed\n");
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status = PR_WaitProcess(process, &exitCode);
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if (status == PR_FAILURE) {
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fprintf(stderr, "PR_WaitProcess failed\n");