[3398] | 1 | //operation.c: |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2010 |
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| 5 | * The code (may) include prototypes and comments (and maybe |
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| 6 | * other code fragements) from libpulse*. They are mostly copyrighted by: |
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| 7 | * Lennart Poettering <poettering@users.sourceforge.net> and |
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| 8 | * Pierre Ossman <drzeus@drzeus.cx> |
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| 9 | * |
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| 10 | * This file is part of libroarpulse a part of RoarAudio, |
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| 11 | * a cross-platform sound system for both, home and professional use. |
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| 12 | * See README for details. |
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| 13 | * |
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| 14 | * This file is free software; you can redistribute it and/or modify |
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| 15 | * it under the terms of the GNU General Public License version 3 |
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| 16 | * as published by the Free Software Foundation. |
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| 17 | * |
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| 18 | * RoarAudio is distributed in the hope that it will be useful, |
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| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 21 | * GNU General Public License for more details. |
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| 22 | * |
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| 23 | * You should have received a copy of the GNU General Public License |
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| 24 | * along with this software; see the file COPYING. If not, write to |
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| 25 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 26 | * |
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| 27 | * NOTE for everyone want's to change something and send patches: |
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| 28 | * read README and HACKING! There a addition information on |
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| 29 | * the license of this document you need to read before you send |
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| 30 | * any patches. |
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| 31 | * |
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| 32 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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| 33 | * or libpulse*: |
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| 34 | * The libs libroaresd, libroararts and libroarpulse link this libroar |
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| 35 | * and are therefore GPL. Because of this it may be illigal to use |
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| 36 | * them with any software that uses libesd, libartsc or libpulse*. |
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| 37 | */ |
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| 38 | |
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| 39 | #include <libroarpulse/libroarpulse.h> |
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| 40 | |
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[3400] | 41 | /** An asynchronous operation object */ |
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| 42 | struct pa_operation { |
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| 43 | size_t refc; |
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| 44 | pa_operation_state_t state; |
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| 45 | }; |
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| 46 | |
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| 47 | pa_operation *roar_pa_operation_new(pa_operation_state_t initstate) { |
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| 48 | pa_operation * o = roar_mm_malloc(sizeof(pa_operation)); |
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| 49 | |
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| 50 | if ( o == NULL ) |
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| 51 | return NULL; |
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| 52 | |
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| 53 | memset(o, 0, sizeof(pa_operation)); |
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| 54 | |
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| 55 | o->refc = 1; |
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| 56 | |
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| 57 | o->state = initstate; |
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| 58 | |
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| 59 | return o; |
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| 60 | } |
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| 61 | |
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| 62 | static void _operation_free(pa_operation *o) { |
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| 63 | roar_mm_free(o); |
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| 64 | } |
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| 65 | |
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| 66 | /** Increase the reference count by one */ |
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| 67 | pa_operation *pa_operation_ref(pa_operation *o) { |
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| 68 | if ( o == NULL ) |
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| 69 | return NULL; |
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| 70 | |
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| 71 | o->refc++; |
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| 72 | |
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| 73 | return o; |
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| 74 | } |
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| 75 | |
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| 76 | /** Decrease the reference count by one */ |
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| 77 | void pa_operation_unref(pa_operation *o) { |
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| 78 | if ( o == NULL ) |
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| 79 | return; |
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| 80 | |
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| 81 | o->refc--; |
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| 82 | |
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| 83 | if ( o->refc < 1 ) |
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| 84 | _operation_free(o); |
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| 85 | } |
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| 86 | |
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| 87 | /** Cancel the operation. Beware! This will not necessarily cancel the execution of the operation on the server side. */ |
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| 88 | void pa_operation_cancel(pa_operation *o) { |
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| 89 | // we ignore this |
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| 90 | } |
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| 91 | |
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| 92 | /** Return the current status of the operation */ |
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| 93 | pa_operation_state_t pa_operation_get_state(pa_operation *o) { |
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| 94 | if ( o == NULL ) |
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| 95 | return -1; |
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| 96 | |
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| 97 | return o->state; |
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| 98 | } |
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| 99 | |
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[3398] | 100 | //ll |
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