[1304] | 1 | //pipetest.c: |
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| 2 | |
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| 3 | /* |
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[6052] | 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2015 |
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[1304] | 5 | * |
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| 6 | * This file is part of roarclients a part of RoarAudio, |
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| 7 | * a cross-platform sound system for both, home and professional use. |
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| 8 | * See README for details. |
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| 9 | * |
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| 10 | * This file is free software; you can redistribute it and/or modify |
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| 11 | * it under the terms of the GNU General Public License version 3 |
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| 12 | * as published by the Free Software Foundation. |
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| 13 | * |
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| 14 | * RoarAudio is distributed in the hope that it will be useful, |
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| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 17 | * GNU General Public License for more details. |
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| 18 | * |
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| 19 | * You should have received a copy of the GNU General Public License |
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| 20 | * along with this software; see the file COPYING. If not, write to |
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[3517] | 21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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| 22 | * Boston, MA 02110-1301, USA. |
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[1304] | 23 | * |
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| 24 | */ |
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| 25 | |
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| 26 | #include <roaraudio.h> |
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[1308] | 27 | #include <unistd.h> |
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[1304] | 28 | |
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| 29 | #define BUF_MAX 1024 |
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| 30 | |
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| 31 | int main (void) { |
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[1780] | 32 | #ifdef ROAR_HAVE_FORK |
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[1304] | 33 | char buf[BUF_MAX]; |
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| 34 | struct roar_vio_calls s0, s1; |
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| 35 | struct roar_vio_calls * me; |
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| 36 | |
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| 37 | if ( roar_vio_open_pipe(&s0, &s1, ROAR_VIO_PIPE_TYPE_AUTO, O_RDWR) == -1 ) { |
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| 38 | fprintf(stderr, "Error: can not create pipe\n"); |
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| 39 | } |
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| 40 | |
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| 41 | switch (fork()) { |
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| 42 | case 0: |
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| 43 | me = &s0; |
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| 44 | roar_vio_close(&s1); |
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| 45 | break; |
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| 46 | default: |
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| 47 | me = &s1; |
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| 48 | roar_vio_close(&s0); |
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| 49 | } |
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| 50 | |
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| 51 | snprintf(buf, BUF_MAX, "Hello from pid %i\n", getpid()); |
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| 52 | roar_vio_write(me, buf, strlen(buf)); |
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| 53 | |
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| 54 | buf[0] = 0; |
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| 55 | |
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| 56 | roar_vio_read(me, buf, BUF_MAX); |
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| 57 | printf("This is pid %i: %s", getpid(), buf); |
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| 58 | |
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| 59 | roar_vio_close(me); |
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| 60 | |
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[4914] | 61 | roar_sleep(1); // wait for the other child... |
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[1308] | 62 | |
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[1304] | 63 | return 0; |
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[1780] | 64 | #else |
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| 65 | fprintf(stderr, "Error: no fork() support!\n"); |
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| 66 | return 1; |
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| 67 | #endif |
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[1304] | 68 | } |
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| 69 | |
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| 70 | //ll |
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