From 16f504a9dca3fe3b70568f67b7d41241ae485288 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 18:49:04 +0200 Subject: Adding upstream version 7.0.6-dfsg. Signed-off-by: Daniel Baumann --- src/libs/xpcom18a4/nsprpub/pr/tests/primblok.c | 148 +++++++++++++++++++++++++ 1 file changed, 148 insertions(+) create mode 100644 src/libs/xpcom18a4/nsprpub/pr/tests/primblok.c (limited to 'src/libs/xpcom18a4/nsprpub/pr/tests/primblok.c') diff --git a/src/libs/xpcom18a4/nsprpub/pr/tests/primblok.c b/src/libs/xpcom18a4/nsprpub/pr/tests/primblok.c new file mode 100644 index 00000000..8a188834 --- /dev/null +++ b/src/libs/xpcom18a4/nsprpub/pr/tests/primblok.c @@ -0,0 +1,148 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is the Netscape Portable Runtime (NSPR). + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 2000 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +/* + * File: primblok.c + * Purpose: testing whether the primordial thread can block in a + * native blocking function without affecting the correct + * functioning of NSPR I/O functions (Bugzilla bug #30746) + */ + +#if !defined(WINNT) + +#include + +int main() +{ + printf("This test is not relevant on this platform\n"); + return 0; +} + +#else /* WINNT */ + +#include "nspr.h" + +#include +#include +#include +#include + +#define TEST_FILE_NAME "primblok.dat" + +/* use InterlockedExchange to update this variable */ +static LONG iothread_done; + +static void PR_CALLBACK IOThread(void *arg) +{ + PRFileDesc *fd; + char buf[32]; + PRInt32 nbytes; + + /* Give the primordial thread one second to block */ + Sleep(1000); + + /* + * See if our PR_Write call will hang when the primordial + * thread is blocking in a native blocking function. + */ + fd = PR_Open(TEST_FILE_NAME, PR_WRONLY|PR_CREATE_FILE, 0666); + if (NULL == fd) { + fprintf(stderr, "PR_Open failed\n"); + exit(1); + } + memset(buf, 0xaf, sizeof(buf)); + fprintf(stderr, "iothread: calling PR_Write\n"); + nbytes = PR_Write(fd, buf, sizeof(buf)); + fprintf(stderr, "iothread: PR_Write returned\n"); + if (nbytes != sizeof(buf)) { + fprintf(stderr, "PR_Write returned %d\n", nbytes); + exit(1); + } + if (PR_Close(fd) == PR_FAILURE) { + fprintf(stderr, "PR_Close failed\n"); + exit(1); + } + if (PR_Delete(TEST_FILE_NAME) == PR_FAILURE) { + fprintf(stderr, "PR_Delete failed\n"); + exit(1); + } + + /* Tell the main thread that we are done */ + InterlockedExchange(&iothread_done, 1); +} + +int main() +{ + PRThread *iothread; + + /* Must be a global thread */ + iothread = PR_CreateThread( + PR_USER_THREAD, IOThread, NULL, PR_PRIORITY_NORMAL, + PR_GLOBAL_THREAD, PR_JOINABLE_THREAD, 0); + if (iothread == NULL) { + fprintf(stderr, "cannot create thread\n"); + exit(1); + } + + /* + * Block in a native blocking function. + * Give iothread 5 seconds to finish its task. + */ + Sleep(5000); + + /* + * Is iothread done or is it hung? + * + * I'm actually only interested in reading the value + * of iothread_done. I'm using InterlockedExchange as + * a thread-safe way to read iothread_done. + */ + if (InterlockedExchange(&iothread_done, 1) == 0) { + fprintf(stderr, "iothread is hung\n"); + fprintf(stderr, "FAILED\n"); + exit(1); + } + + if (PR_JoinThread(iothread) == PR_FAILURE) { + fprintf(stderr, "PR_JoinThread failed\n"); + exit(1); + } + printf("PASSED\n"); + return 0; +} /* main */ + +#endif /* WINNT */ -- cgit v1.2.3