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1 /* |
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2 |
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3 Copyright (C) 1999, 2000, 2002, 2003, 2005, 2006, 2007 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 3 of the License, or (at your |
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10 option) any later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, see |
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19 <http://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 #ifdef HAVE_CONFIG_H |
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24 #include <config.h> |
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25 #endif |
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26 |
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27 #include <stdarg.h> |
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28 #include <stdio.h> |
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29 #include <stdlib.h> |
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30 #include <string.h> |
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31 |
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32 #if defined (__WIN32__) && ! defined (_POSIX_VERSION) |
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33 |
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34 #include <windows.h> |
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35 |
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36 #else |
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37 |
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38 #ifdef HAVE_UNISTD_H |
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39 #ifdef HAVE_SYS_TYPES_H |
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40 #include <sys/types.h> |
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41 #endif |
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42 #include <unistd.h> |
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43 #endif |
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44 |
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45 #include "systime.h" |
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46 |
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47 #ifdef HAVE_POLL_H |
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48 #include <poll.h> |
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49 #elif HAVE_SYS_POLL_H |
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50 #include <sys/poll.h> |
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51 #endif |
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52 |
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53 #endif |
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54 |
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55 void |
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56 octave_sleep (unsigned int seconds) |
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57 { |
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58 #if defined (__WIN32__) && ! defined (_POSIX_VERSION) |
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59 Sleep (1000 * seconds); |
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60 #else |
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61 sleep (seconds); |
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62 #endif |
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63 } |
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64 |
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65 void |
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66 octave_usleep (unsigned int useconds) |
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67 { |
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68 unsigned int sec = useconds / 1000000; |
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69 unsigned int usec = useconds % 1000000; |
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70 |
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71 if (sec > 0) |
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72 octave_sleep (sec); |
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73 |
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74 #if defined (__WIN32__) && ! defined (_POSIX_VERSION) |
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75 |
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76 /* Round to the nearest millisecond, with a minimum of 1 millisecond |
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77 if usleep was called with a a non-zero value. */ |
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78 |
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79 if (usec > 500) |
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80 Sleep ((usec+500)/1000); |
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81 else if (usec > 0) |
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82 Sleep (1); |
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83 else |
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84 Sleep (0); |
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85 |
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86 #elif defined (HAVE_USLEEP) |
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87 |
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88 usleep (usec); |
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89 |
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90 #elif defined (HAVE_SELECT) |
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91 |
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92 { |
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93 struct timeval delay; |
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94 |
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95 delay.tv_sec = 0; |
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96 delay.tv_usec = usec; |
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97 |
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98 select (0, 0, 0, 0, &delay); |
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99 } |
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100 |
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101 #elif defined (HAVE_POLL) |
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102 |
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103 { |
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104 struct pollfd pfd; |
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105 |
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106 int delay = usec / 1000; |
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107 |
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108 if (delay > 0) |
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109 poll (&pfd, 0, delay); |
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110 } |
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111 |
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112 #endif |
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113 } |
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114 |
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115 int |
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116 octave_raw_vsnprintf (char *buf, size_t n, const char *fmt, va_list args) |
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117 { |
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118 return vsnprintf (buf, n, fmt, args); |
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119 } |
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120 |
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121 /* |
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122 ;;; Local Variables: *** |
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123 ;;; mode: C++ *** |
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124 ;;; End: *** |
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125 */ |
