1 | //scheduler.h: |
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2 | |
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3 | /* |
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4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2008-2015 |
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5 | * |
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6 | * This file is part of libroar 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 | * libroar 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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21 | * the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
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22 | * Boston, MA 02110-1301, USA. |
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23 | * |
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24 | * NOTE for everyone want's to change something and send patches: |
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25 | * read README and HACKING! There a addition information on |
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26 | * the license of this document you need to read before you send |
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27 | * any patches. |
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28 | * |
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29 | * NOTE for uses of non-GPL (LGPL,...) software using libesd, libartsc |
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30 | * or libpulse*: |
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31 | * The libs libroaresd, libroararts and libroarpulse link this lib |
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32 | * and are therefore GPL. Because of this it may be illigal to use |
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33 | * them with any software that uses libesd, libartsc or libpulse*. |
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34 | */ |
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35 | |
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36 | #ifndef _LIBROARSCHEDULER_H_ |
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37 | #define _LIBROARSCHEDULER_H_ |
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38 | |
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39 | #include "libroar.h" |
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40 | |
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41 | enum roar_scheduler_type { |
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42 | ROAR_SCHEDULER_NONE = 0, |
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43 | ROAR_SCHEDULER_VIO, |
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44 | ROAR_SCHEDULER_TIMEOUT, |
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45 | ROAR_SCHEDULER_PLUGIN, |
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46 | ROAR_SCHEDULER_PLUGINCONTAINER, |
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47 | ROAR_SCHEDULER_CPI_LISTEN, |
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48 | ROAR_SCHEDULER_CPI_CLIENT, |
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49 | ROAR_SCHEDULER_CPI_SERVICE, // listen for CPI registrations. |
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50 | // for future use. |
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51 | ROAR_SCHEDULER_CONNECTION, |
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52 | ROAR_SCHEDULER_VSS |
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53 | }; |
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54 | |
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55 | enum roar_scheduler_strategy { |
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56 | ROAR_SCHEDULER_STRATEGY_DEFAULT = -1, |
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57 | ROAR_SCHEDULER_STRATEGY_SELECT = 1, |
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58 | ROAR_SCHEDULER_STRATEGY_WAIT, |
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59 | ROAR_SCHEDULER_STRATEGY_SELECTORWAIT, |
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60 | ROAR_SCHEDULER_STRATEGY_WAITORSELECT, |
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61 | }; |
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62 | |
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63 | #define ROAR_SCHEDULER_FLAG_DEFAULT -1 |
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64 | #define ROAR_SCHEDULER_FLAG_NONE 0x0000 |
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65 | #define ROAR_SCHEDULER_FLAG_FREE 0x0001 |
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66 | #define ROAR_SCHEDULER_FLAG_STUB 0x0002 |
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67 | #define ROAR_SCHEDULER_FLAG_KEEP_RUNNING 0x0004 /* keep _run() running in case of no work */ |
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68 | |
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69 | struct roar_scheduler_source { |
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70 | enum roar_scheduler_type type; |
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71 | int flags; |
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72 | struct roar_dl_lhandle * lhandle; |
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73 | struct roar_vio_calls * vio; |
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74 | int (*cb)(struct roar_scheduler_source * source, void * userdata, int eventsa); |
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75 | void * userdata; |
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76 | union { |
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77 | void * vp; // dummy. |
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78 | int eventsq; |
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79 | struct roar_vio_selecttv timeout; |
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80 | struct roar_plugincontainer * container; |
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81 | struct { |
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82 | int proto; |
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83 | const struct roar_dl_proto * impl; |
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84 | int client; |
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85 | struct roar_buffer *obuffer; |
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86 | void * userdata; |
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87 | const struct roar_keyval * protopara; |
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88 | ssize_t protoparalen; |
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89 | } cpi; |
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90 | struct roar_connection * con; |
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91 | roar_vs_t * vss; |
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92 | } handle; |
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93 | }; |
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94 | |
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95 | struct roar_scheduler; |
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96 | |
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97 | struct roar_scheduler * roar_scheduler_new(int flags, enum roar_scheduler_strategy strategy); |
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98 | int roar_scheduler_ref(struct roar_scheduler * sched); |
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99 | int roar_scheduler_unref(struct roar_scheduler * sched); |
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100 | |
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101 | int roar_scheduler_iterate(struct roar_scheduler * sched); |
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102 | int roar_scheduler_run(struct roar_scheduler * sched); |
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103 | |
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104 | int roar_scheduler_source_add(struct roar_scheduler * sched, |
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105 | struct roar_scheduler_source * source); |
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106 | int roar_scheduler_source_del(struct roar_scheduler * sched, |
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107 | struct roar_scheduler_source * source); |
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108 | |
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109 | #endif |
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110 | |
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111 | //ll |
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