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132
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1 /**
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2 * D header file for POSIX.
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3 *
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4 * Copyright: Public Domain
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5 * License: Public Domain
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6 * Authors: Sean Kelly
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7 * Standards: The Open Group Base Specifications Issue 6, IEEE Std 1003.1, 2004 Edition
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8 */
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9 module tango.stdc.posix.sched;
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10
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11 public import tango.stdc.posix.time;
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12 public import tango.stdc.posix.sys.types;
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13
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14 extern (C):
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15
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16 //
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17 // Required
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18 //
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19 /*
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20 struct sched_param
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21 {
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22 int sched_priority (THR)
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23 int sched_ss_low_priority (SS|TSP)
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24 struct timespec sched_ss_repl_period (SS|TSP)
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25 struct timespec sched_ss_init_budget (SS|TSP)
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26 int sched_ss_max_repl (SS|TSP)
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27 }
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28
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29 SCHED_FIFO
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30 SCHED_RR
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31 SCHED_SPORADIC (SS|TSP)
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32 SCHED_OTHER
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33
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34 int sched_getparam(pid_t, sched_param*);
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35 int sched_getscheduler(pid_t);
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36 int sched_setparam(pid_t, sched_param*);
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37 int sched_setscheduler(pid_t, int, sched_param*);
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38 */
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39
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40 version( linux )
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41 {
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42 struct sched_param
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43 {
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44 int sched_priority;
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45 }
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46
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47 const SCHED_OTHER = 0;
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48 const SCHED_FIFO = 1;
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49 const SCHED_RR = 2;
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50 //SCHED_SPORADIC (SS|TSP)
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51 }
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52 else version( darwin )
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53 {
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54 const SCHED_OTHER = 1;
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55 const SCHED_FIFO = 4;
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56 const SCHED_RR = 2;
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57 // SCHED_SPORADIC seems to be unavailable
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58
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59 private const __SCHED_PARAM_SIZE__ = 4;
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60
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61 struct sched_param
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62 {
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63 int sched_priority;
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64 byte[__SCHED_PARAM_SIZE__] opaque;
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65 }
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66 }
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67
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68 int sched_getparam(pid_t, sched_param*);
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69 int sched_getscheduler(pid_t);
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70 int sched_setparam(pid_t, sched_param*);
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71 int sched_setscheduler(pid_t, int, sched_param*);
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72
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73 //
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74 // Thread (THR)
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75 //
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76 /*
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77 int sched_yield();
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78 */
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79
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80 version( linux )
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81 {
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82 int sched_yield();
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83 }
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84 else version( darwin )
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85 {
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86 int sched_yield();
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87 }
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88
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89 //
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90 // Scheduling (TPS)
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91 //
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92 /*
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93 int sched_get_priority_max(int);
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94 int sched_get_priority_min(int);
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95 int sched_rr_get_interval(pid_t, timespec*);
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96 */
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97
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98 version( linux )
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99 {
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100 int sched_get_priority_max(int);
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101 int sched_get_priority_min(int);
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102 int sched_rr_get_interval(pid_t, timespec*);
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103 }
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104 else version( darwin )
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105 {
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106 int sched_get_priority_min(int);
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107 int sched_get_priority_max(int);
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108 //int sched_rr_get_interval(pid_t, timespec*); // FIXME: unavailable?
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109 }
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