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1 | // Copyright (C) 2003 Free Software Foundation, Inc. |
2 | // | |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
6 | // Free Software Foundation; either version 2, or (at your option) | |
7 | // any later version. | |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
15 | // with this library; see the file COPYING. If not, write to the Free | |
16 | // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
17 | // USA. | |
18 | ||
19 | // 27.8.1.4 Overridden virtual functions | |
20 | ||
8b87d3fa DB |
21 | // XXX cygwin does not support mkfifo |
22 | // { dg-do run { xfail *-*-cygwin* } } | |
23 | ||
2bc67e06 PC |
24 | #include <unistd.h> |
25 | #include <signal.h> | |
26 | #include <fcntl.h> | |
27 | #include <sys/types.h> | |
28 | #include <sys/stat.h> | |
29 | #include <fstream> | |
30 | #include <testsuite_hooks.h> | |
31 | ||
32 | // libstdc++/9533 | |
33 | void test_01() | |
34 | { | |
35 | using namespace std; | |
11f10e6b | 36 | bool test __attribute__((unused)) = true; |
2bc67e06 PC |
37 | const char* name = "tmp_fifo1"; |
38 | ||
39 | const int count = 10000; | |
40 | ||
41 | signal(SIGPIPE, SIG_IGN); | |
42 | unlink(name); | |
43 | ||
44 | if (0 != mkfifo(name, S_IRWXU)) | |
45 | { | |
46 | VERIFY( false ); | |
47 | } | |
48 | ||
49 | int fval = fork(); | |
50 | if (fval == -1) | |
51 | { | |
52 | unlink(name); | |
53 | VERIFY( false ); | |
54 | } | |
55 | else if (fval == 0) | |
56 | { | |
57 | filebuf ofbuf; | |
58 | ofbuf.open(name, ios_base::out); | |
59 | VERIFY( ofbuf.is_open() ); | |
60 | sleep(1); | |
61 | ||
62 | for (int i = 0; i < count; ++i) | |
63 | ofbuf.sputc(i % 100); | |
64 | ||
65 | ofbuf.pubsync(); | |
66 | sleep(1); | |
67 | ofbuf.close(); | |
68 | exit(0); | |
69 | } | |
70 | ||
71 | filebuf ifbuf; | |
72 | ifbuf.open(name, ios_base::in); | |
73 | VERIFY( ifbuf.is_open() ); | |
74 | ||
75 | for (int j = 0; j < count; ++j) | |
76 | { | |
77 | filebuf::int_type c1 = ifbuf.sbumpc(); | |
78 | VERIFY( c1 == j % 100 ); | |
79 | } | |
80 | ||
81 | filebuf::int_type c6 = ifbuf.sbumpc(); | |
82 | VERIFY( c6 == filebuf::traits_type::eof() ); | |
83 | ||
84 | sleep(2); | |
85 | ifbuf.close(); | |
86 | ||
87 | unlink(name); | |
88 | } | |
89 | ||
90 | int | |
91 | main() | |
92 | { | |
93 | test_01(); | |
94 | return 0; | |
95 | } | |
96 |