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1 | // { dg-require-fork "" } |
2 | // { dg-require-mkfifo "" } | |
3 | ||
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4 | // 2003-04-26 Petur Runolfsson <peturr02@ru.is> |
5 | ||
99dee823 | 6 | // Copyright (C) 2003-2021 Free Software Foundation, Inc. |
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7 | // |
8 | // This file is part of the GNU ISO C++ Library. This library is free | |
9 | // software; you can redistribute it and/or modify it under the | |
10 | // terms of the GNU General Public License as published by the | |
748086b7 | 11 | // Free Software Foundation; either version 3, or (at your option) |
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12 | // any later version. |
13 | ||
14 | // This library is distributed in the hope that it will be useful, | |
15 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | // GNU General Public License for more details. | |
18 | ||
19 | // You should have received a copy of the GNU General Public License along | |
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20 | // with this library; see the file COPYING3. If not see |
21 | // <http://www.gnu.org/licenses/>. | |
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22 | |
23 | // 27.3 Standard iostream objects | |
24 | ||
25 | #include <fstream> | |
26 | #include <iostream> | |
debac9f4 | 27 | #include <cstdlib> |
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28 | #include <unistd.h> |
29 | #include <signal.h> | |
30 | #include <fcntl.h> | |
31 | #include <sys/types.h> | |
32 | #include <sys/stat.h> | |
33 | #include <testsuite_hooks.h> | |
34 | ||
35 | // Check that cout.flush() is called when last ios_base::Init is destroyed. | |
9339bda8 | 36 | bool test07() |
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37 | { |
38 | using namespace std; | |
ea1ea21a | 39 | using namespace __gnu_test; |
118c8424 | 40 | bool test = true; |
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41 | |
42 | const char* name = "tmp_fifo4"; | |
43 | ||
44 | signal(SIGPIPE, SIG_IGN); | |
45 | ||
46 | unlink(name); | |
34f4edf8 | 47 | mkfifo(name, S_IRWXU); |
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48 | semaphore s1; |
49 | ||
2aacd735 | 50 | int child = fork(); |
118c8424 | 51 | test &= bool( child != -1 ); |
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52 | |
53 | if (child == 0) | |
54 | { | |
55 | filebuf fbout; | |
f196bdc4 | 56 | fbout.open(name, ios_base::in|ios_base::out); |
118c8424 | 57 | test &= bool( fbout.is_open() ); |
9339bda8 | 58 | s1.wait(); |
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59 | cout.rdbuf(&fbout); |
60 | fbout.sputc('a'); | |
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61 | // NB: fbout is *not* destroyed here! |
62 | exit(0); | |
63 | } | |
64 | ||
65 | filebuf fbin; | |
66 | fbin.open(name, ios_base::in); | |
9339bda8 | 67 | s1.signal(); |
2aacd735 | 68 | filebuf::int_type c = fbin.sbumpc(); |
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69 | test &= bool( c != filebuf::traits_type::eof() ); |
70 | test &= bool( c == filebuf::traits_type::to_int_type('a') ); | |
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71 | |
72 | fbin.close(); | |
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73 | |
74 | return test; | |
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75 | } |
76 | ||
77 | int | |
78 | main() | |
79 | { | |
9339bda8 | 80 | return !test07(); |
2aacd735 | 81 | } |