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1 | // { dg-require-fork "" } |
2 | // { dg-require-mkfifo "" } | |
3 | ||
99dee823 | 4 | // Copyright (C) 2001-2021 Free Software Foundation, Inc. |
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5 | // |
6 | // This file is part of the GNU ISO C++ Library. This library is free | |
7 | // software; you can redistribute it and/or modify it under the | |
8 | // terms of the GNU General Public License as published by the | |
748086b7 | 9 | // Free Software Foundation; either version 3, or (at your option) |
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10 | // any later version. |
11 | ||
12 | // This library is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | ||
17 | // You should have received a copy of the GNU General Public License along | |
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18 | // with this library; see the file COPYING3. If not see |
19 | // <http://www.gnu.org/licenses/>. | |
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20 | |
21 | // 27.8.1.3 filebuf member functions | |
22 | // @require@ %-*.tst %-*.txt | |
23 | // @diff@ %-*.tst %-*.txt | |
24 | ||
25 | // various tests for filebuf::open() and filebuf::close() including | |
26 | // the non-portable functionality in the libstdc++-v3 IO library | |
27 | ||
28 | #include <fstream> | |
debac9f4 | 29 | #include <cstdlib> |
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30 | #include <unistd.h> |
31 | #include <signal.h> | |
32 | #include <fcntl.h> | |
33 | #include <sys/types.h> | |
34 | #include <sys/stat.h> | |
9339bda8 | 35 | |
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36 | #include <testsuite_hooks.h> |
37 | ||
38 | // libstdc++/9964 | |
9339bda8 | 39 | bool test_07() |
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40 | { |
41 | using namespace std; | |
ea1ea21a | 42 | using namespace __gnu_test; |
118c8424 | 43 | bool test = true; |
8f1032c1 | 44 | semaphore s1, s2; |
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45 | |
46 | const char* name = "tmp_fifo3"; | |
47 | ||
48 | signal(SIGPIPE, SIG_IGN); | |
49 | ||
50 | unlink(name); | |
34f4edf8 | 51 | mkfifo(name, S_IRWXU); |
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52 | |
53 | int child = fork(); | |
118c8424 | 54 | test &= bool( child != -1 ); |
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55 | |
56 | if (child == 0) | |
57 | { | |
58 | filebuf fbin; | |
59 | fbin.open(name, ios_base::in); | |
9339bda8 | 60 | s1.wait(); |
23cac885 | 61 | fbin.close(); |
9339bda8 | 62 | s2.signal(); |
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63 | exit(0); |
64 | } | |
65 | ||
66 | filebuf fb; | |
6a734d61 | 67 | filebuf* ret = fb.open(name, ios_base::in | ios_base::out); |
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68 | test &= bool( ret != 0 ); |
69 | test &= bool( fb.is_open() ); | |
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70 | s1.signal(); |
71 | s2.wait(); | |
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72 | fb.sputc('a'); |
73 | ||
74 | ret = fb.close(); | |
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75 | test &= bool( ret != 0 ); |
76 | test &= bool( !fb.is_open() ); | |
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77 | |
78 | return test; | |
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79 | } |
80 | ||
81 | int | |
82 | main() | |
83 | { | |
9339bda8 | 84 | return !test_07(); |
23cac885 | 85 | } |