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annotate packages/compat/posix/current/ChangeLog @ 143:6b5f480c6929 ecos-sw-2000-12-08

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Merge from eCos master repository on 2000-12-08-02:09:36-GMT
author jlarmour
date Fri, 08 Dec 2000 03:30:06 +0000
parents 289bf90c6a9b
children d397fc472bcf
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143
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1 2000-12-06 Jonathan Larmour <jlarmour@redhat.com>
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2
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3 * src/signal.cxx: include unistd.h for _exit
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4
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5 2000-11-20 Nick Garnett <nickg@cygnus.co.uk>
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6
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7 * src/signal.cxx (cyg_deliver_signals): Added else in code to
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8 handle SIG_DFL. Otherwise if the SA_SIGINFO bit is set we call the
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9 signal handler twice!
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11 2000-11-07 Jonathan Larmour <jlarmour@redhat.com>
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12
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13 * src/signal.cxx (cyg_posix_thread_siginit): Add extra thread
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14 argument so that threads can inherit parent's sigmask.
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15
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16 * src/pthread.cxx (pthread_create): Call with parent thread
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17
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18 * src/pprivate.h: Change cyg_posix_thread_siginit prototype to take
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19 parent thread argument
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20
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21 * tests/signal1.c: Add more checking of sigwaits, and fix so that it's
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22 only called when the signal is masked. Check errno values too
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23 sometimes.
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25 2000-11-02 Jonathan Larmour <jlarmour@redhat.com>
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26
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27 * src/signal.cxx (sigtimedwait): return signal number on success,
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28 not 0
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29 (SIGNAL_RETURN_VALUE): New macro for returning from functions with
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30 valid non-zero returns
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31 (sigwaitinfo): Pass on sigtimedwait result with SIGNAL_RETURN_VALUE
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32 macro as it may return the signal number.
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33
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34 2000-11-01 Jonathan Larmour <jlarmour@redhat.com>
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35
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36 * src/signal.cxx (sigtimedwait): Check for SIGALRMs as a special
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37 case when looping as it won't have been set pending if it was
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38 masked.
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39 (check_sigalarm): New function extracted from the posix signal ASR
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40 (sigalrm_action): Unconditionally wake up threads waiting in sigwait
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41 so that they can check for pending SIGALRMs even if they were
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42 masked.
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43 (cyg_deliver_signals): Handle SIG_DFL signals properly, and check
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44 for bad signal handlers.
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45 (cyg_posix_signal_start): Initialize default signal actions to SIG_DFL
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46
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47 2000-10-27 Jesper Skov <jskov@redhat.com>
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48
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49 * tests/signal2.c (cause_illegal_access): Don't loop forever.
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51 2000-10-16 Jonathan Larmour <jlarmour@redhat.com>
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52
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53 * include/sigsetjmp.h (sigsetjmp): Various fixes to make portable
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54 across all HALs (by avoiding CYGARC_JMP_BUF_SIZE) and remove warnings.
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55 * src/signal.cxx (siglongjmp): Likewise
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56
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57 2000-10-12 Nick Garnett <nickg@cygnus.co.uk>
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58
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59 * include/sigsetjmp.h: Added this header to define
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60 sigjmp_buf,sigsetjmp() and siglongjmp().
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61
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62 * cdl/posix.cdl:
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63 Added support for providing sigsetjmp implementation and header.
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64 Added sigsetjmp test.
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65
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66 * src/signal.cxx: Added siglongjmp().
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67
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68 * tests/sigsetjmp.c: Added this test for sigsetjmp(), siglongjmp()
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69 functionality. This is also a test for longjmping out of signal
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70 handlers.
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71
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72 * tests/signal2.c:
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73 Ifdeffed around cause_* functions to avoid compiler warnings when
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74 they are not needed.
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75 Changed CYG_TEST_NA() calls to CYG_TEST_INFO() and changed
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76 CYG_TEST_FINISH() to CYG_TEST_PASS_FINISH(). With the _NA's there,
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77 the first unsupported exception just terminates the program, and
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78 does not give any subsequent supported ones a chance to run.
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79
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80 2000-10-12 Jesper Skov <jskov@redhat.com>
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81
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82 * tests/timer1.c (main): Fix exit check.
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83
128
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84 2000-10-11 Nick Garnett <nickg@cygnus.co.uk>
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85
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86 * src/pthread.cxx: Fixed cyg_posix_pthread_release_thread() to
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87 work for _DETACHED threads as well as for _RUNNING ones. Also
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88 fixed a bug in test to decrement counter in this routine.
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89
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90 * src/pprivate.h: Added note about retaining numerical order of
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91 PTHREAD_STATE_* defines.
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92
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93 * tests/timer1.c: Fixed some bugs of the how-did-it-ever-work
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94 variety.
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95
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96 2000-10-05 Nick Garnett <nickg@cygnus.co.uk>
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97
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98 * src/misc.cxx:
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99 Added a set of compatibility functions to aid portability and
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100 improve standards compliance.
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101 Added cyg_posix_function_[start|finish] to set up and terminate
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102 POSIX API functionality wrt signal and cancellation behaviour.
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103 (Lots more to do here).
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104
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105 * include/export.h:
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106 Added this file to contain definitions that can be exported from
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107 the POSIX package to others.
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108
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109 * src/pprivate.h: Added include of export.h
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110
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111 2000-09-11 Jonathan Larmour <jlarmour@redhat.com>
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112
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113 * include/limits.h (OPEN_MAX): Don't define here - let FS infra do
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114 that.
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115 (LINK_MAX): Ditto
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116 (NAME_MAX): Ditto
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117 (PATH_MAX): Ditto
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118
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119 2000-09-04 Nick Garnett <nickg@cygnus.co.uk>
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120
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121 * tests/pthread2.c:
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122 * tests/pthread3.c:
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123 Fixed bug in calculation of thread stack addresses.
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124
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125 * src/misc.cxx (sysconf): Change zero returns to -1 when a feature
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126 is not supported.
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127
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128 2000-08-08 Jonathan Larmour <jlarmour@redhat.co.uk>
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129
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130 * include/limits.h: Don't define SSIZE_MAX here, leave it to the
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131 isoinfra default.
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132
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133 2000-07-27 Jonathan Larmour <jlarmour@redhat.co.uk>
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134
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135 * tests/signal2.c: NA if no setjmp/longjmp
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136
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137 2000-07-26 Nick Garnett <nickg@cygnus.co.uk>
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138
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139 * include/pthread.h:
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140 * src/pthread.cxx (pthread_testcancel): Reversed addition of cyg_
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141 to this symbol.
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142
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143 2000-07-25 Jonathan Larmour <jlarmour@redhat.co.uk>
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144
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145 * src/pthread.cxx: Define main_stack and main_thread as static
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146 Rename pthread_canceled -> cyg_pthread_canceled - pthread_ may be
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147 a reserved name space but this makes explicit it is implementation-
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148 and not standard-defined
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149 (PTHREAD_ENTRY_VOID): Define for funcs that take no args
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150 (pthread_testcancel): Call PTHREAD_ENTRY_VOID()
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151
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152 * include/pthread.h: Rename pthread_canceled -> cyg_pthread_canceled
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153
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154 2000-07-20 Jonathan Larmour <jlarmour@redhat.co.uk>
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155
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156 * src/pthread.cxx: Use isoinfra to determine presence of malloc()
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157 Define pthread_malloc() and pthread_free() as inlines
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158
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159 * cdl/posix.cdl: Shouldn't define _POSIX_MESSAGE_PASSING at all - that
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160 happens in isoinfra.
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161
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162 2000-07-20 Nick Garnett <nickg@cygnus.co.uk>
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163
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164 * cdl/posix.cdl: Added misc.cxx to compile list. Added option to
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165 define _POSIX_MESSAGE_PASSING. Added configury for utsname
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166 structure.
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167
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168 * include/utsname.h: Added this file to define struct utsname and
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169 uname() function prototype.
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170
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171 * include/mqueue.h: Moved definition of _POSIX_MESSAGE_PASSING to
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172 CDL.
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173
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174 * include/limits.h: Added NGROUPS_MAX definition.
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175
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176 * src/pthread.cxx:
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177 Added support for malloced() thread stacks.
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178 Added implementations of pthread_mutex_setprioceiling() and
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179 pthread_mutex_getprioceiling().
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180 Changed implementations of pthread_mutex_destroy(),
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181 pthread_mutex_lock() and pthread_mutex_trylock() to conform more
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182 closely to the standard.
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183 Changed pthread_key_create() to assign NULL to all valid thread
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184 slots that correspond to a newly allocated key.
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185
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186 * src/pprivate.h: Added freestack and stackmem members to manage
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187 malloced thread stacks.
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188
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189 * src/misc.cxx: Added this file to contain functions that do not
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190 belong in any other files. Currently contains uname() and
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191 sysconf().
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192
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193 2000-07-19 Jonathan Larmour <jlarmour@redhat.co.uk>
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194
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195 * src/startup.cxx: Remove unnecessary includes
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196 Use dummy object constructor to do initialization
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197
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198 * cdl/posix.cdl:
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199 Don't need main.cxx any more
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200 Build startup.cxx into extras.o (via libextras.a)
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201
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202 * cdl/pthread.cdl (CYGPKG_POSIX_MAIN_THREAD):
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203 Integrate with CYGPKG_LIBC_STARTUP - tell CYGPKG_LIBC_STARTUP to
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204 let pthreads set up main thread
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205
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206 * src/pthread.cxx: Integrate with CYGPKG_LIBC_STARTUP rather than
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207 calling main() directly.
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208 Track number of threads waiting to be joined, so we can tell in
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209 pthread_exit() if this is the last thread, and therefore whether
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210 to call exit()
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211
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212 * src/main.cxx: obsolete, removed
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213
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214 2000-07-13 Nick Garnett <nickg@cygnus.co.uk>
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215
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216 * src/signal.cxx: Added ISO C compatibility functions signal() and
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217 raise().
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218
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219 2000-06-21 Nick Garnett <nickg@cygnus.co.uk>
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220
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221 * src/pthread.cxx: Added for(;;) loop to end of pthread_exit().
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222 pthread_exit() is marked with the noreturn attribute, and without
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223 this some compilers generate a call to abort() here in case
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224 Cyg_Thread::exit() returns. The loop avoids this.
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225
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226 2000-06-06 Jonathan Larmour <jlarmour@redhat.co.uk>
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227
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228 * src/mqueue.cxx (mq_receive): Fix non-portable treatment of mode flags
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229 (mq_send): Ditto
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230 * tests/mqueue2.c (main): Ditto
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231
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232 2000-05-24 Nick Garnett <nickg@cygnus.co.uk>
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233
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234 * tests/pthread2.c: Added this program to test per-thread data
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235 handling.
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236
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237 * tests/pthread3.c: Added this program to test execution of
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238 cancellation handler.
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239
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240 * src/pthread.cxx: Fixed some bugs revealed by new test programs.
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241
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242 * cdl/posix.cdl: Added two new pthread tests.
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243
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244 2000-05-22 Jonathan Larmour <jlarmour@redhat.co.uk>
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245
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246 * cdl/posix.cdl (CYGPKG_POSIX): Require
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247 CYGIMP_KERNEL_SCHED_SORTED_QUEUES
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248
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249 2000-05-20 Jonathan Larmour <jlarmour@redhat.co.uk>
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250
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251 * tests/mqueue1.c (cyg_user_start): Define correctly
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252 * tests/mqueue2.c (cyg_user_start): Likewise
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253
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254 * src/pprivate.h (cyg_sigqueue): Make struct sigevent * arg const since
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255 it is, and it prevents warnings elsewhere
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256 * src/signal.cxx (cyg_sigqueue): ditto
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257
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258 * tests/signal2.c: Use CYG_TEST_NA, not CYG_TEST_INFO (otherwise
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259 the test farm may fail the tests because there are no PASSes or NAs)
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260
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261 * cdl/posix.cdl (CYGPKG_POSIX): We need errno and error codes, so
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262 require them
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263 Move some of the package implements into the components
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264 Add message queue configuration, build mqueue.cxx and the mqueue1 and
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265 mqueue2 tests
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266 Move some calculated options into isoinfra, implemented as interfaces
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267 so that unistd.h and limits.h can get the values
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268
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269 * include/limits.h: Move _POSIX_* macros into isoinfra limits.h
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270 since they are implementation independent
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271
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272 * src/mqueue.cxx: Add POSIX message queue implementation
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273 * tests/mqueue1.c, tests/mqueue2.c: and tests
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274
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275 2000-05-18 Nick Garnett <nickg@cygnus.co.uk>
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276
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277 * src/pprivate.h:
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278 * src/pthread.cxx:
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279 * src/signal.cxx:
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280 * src/time.cxx:
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281 Added prioritization of static kernel objects.
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282
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283 2000-05-17 Nick Garnett <nickg@cygnus.co.uk>
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284
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285 * src/pthread.cxx:
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286 To reduce the static memory required by this code, the
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287 pthread_info structure for a pthread is now allocated in the stack
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288 memory for that thread, and not in a static table. The table is
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289 now just an array of pointers. The per-thread data array is now
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290 also allocated onto the stack only when first required.
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291
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292 * include/pthread.h: Removed some redundant code.
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293
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294 * include/limits.h: Added PTHREAD_STACK_OVERHEAD to record
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295 management overhead imposed on POSIX threads stacks. This is added
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296 to the HAL minimum requirement to generate PTHREAD_STACK_MIN.
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297
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298 * src/pprivate.h (pthread_info):
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299 * include/types.h (pthread_attr_t): Converted a number of integer
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300 state and boolean fields to bitfields.
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301
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302 * cdl/pthread.cdl:
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303 Added requirement for CYGFUN_KERNEL_THREADS_STACK_LIMIT.
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304
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305 2000-05-16 Nick Garnett <nickg@cygnus.co.uk>
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306
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307 * include/types.h: Added stacksize_valid to pthread_attr_t
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308 structure.
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309
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310 * include/signal.h:
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311 Added SI_EXCEPT to mark any signals that were caused by an
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312 exception. Removed conditions around SIGBUS.
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313
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314 * src/startup.cxx (cyg_posix_start):
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315 Added call to cyg_posix_exception_start().
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316
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317 * src/signal.cxx:
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318 Rearranged cyg_deliver_signals() so that it is possible to
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319 longjmp() out of a signal handler without leaving signal handling
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320 code in an inconsistent state.
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321 Added handling of SIG_IGN in sigaction().
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322
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323 * src/pthread.cxx: Added setting and checking of stacksize_valid.
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324
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325 * src/pprivate.h: Added cyg_deliver_signals() as an export of
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326 signal system. Added exports from except.cxx.
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327
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328 * src/except.cxx: Added this file to handle delivery of exceptions
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329 into the POSIX signal mechanism.
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330
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331 * cdl/posix.cdl: Added except.cxx to compile list, added signal2
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332 to tests. Added requirement on kernel exception processing.
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333
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334 * tests/tm_basic.cxx: Tidied up a compilation warning.
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335
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336 * tests/signal2.c: Added this test for exception signal generation.
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337
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338 * tests/mutex3.c: Fixed stupid bug.
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339
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340 2000-05-10 Nick Garnett <nickg@cygnus.co.uk>
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341
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342 * src/pprivate.h: Added cyg_posix_clock_start() prototype.
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343
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344 * src/startup.cxx: Added call to cyg_posix_clock_start().
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345
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346 * src/time.cxx: Added startup routine to initialize
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347 converters. Fixed error result bug in timer_delete().
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348
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349 * include/signal.h: Removed some configuration tests which are now
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350 done in CDL.
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351
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352 * cdl/posix.cdl: Added configury for the signals component. Added
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353 tm_basic to tests.
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354
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355 * tests/tm_basic.cxx:
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356 Added this POSIXized version of the tm_basic test. Note that this
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357 has not been entirely converted. While the code being tested is
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358 POSIX, the timing infrastructure remains a mish-mash of kernel,
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359 KAPI and HAL code.
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360
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361 2000-05-04 Nick Garnett <nickg@cygnus.co.uk>
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362
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363 * src/time.cxx:
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364 Many changes to implement the delivery of signals on timer expiry.
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365 Also added timer_delete().
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366
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367 * src/signal.cxx:
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368 cyg_sigqueue() and cyg_deliver_signals() may now only be called
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369 from within the context of a POSIX thread, either from an API call
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370 or an ASR.
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371 cyg_deliver_signals() can now cope with a signal that has
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372 SA_SIGINFO set but no signals queued. It also determines
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373 dynamically whether to lock the signal_mutex.
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374 cyg_deliver_signals() is no longer called implicitly from
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375 cyg_sigqueue() - so a number of expicit calls have been added.
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376
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377 * src/sched.cxx:
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378 Added this file to implement scheduling API.
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379
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380 * src/pthread.cxx:
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381 Moved priority translation macros to pprivate.h.
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382 Removed errno handling, now done in isoinfra package.
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383 Added iterative calls to per-thread data destructors.
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384
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385 * src/pprivate.h:
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386 Removed error field from pthread_info structure.
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387 Moved priority translation macros here.
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388 Removed prototype for cyg_deliver_signals().
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389 Added prototype for cyg_posix_timer_asr().
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390
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391 * include/time.h: Added timer_delete() which was mysteriously
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392 omitted.
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393
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394 * cdl/posix.cdl: Added sched.cxx to compile list and timer1.c to
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395 tests.
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396
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397 * tests/signal1.c:
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398 * tests/pthread1.c:
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399 Fixed bug in use of stack sizes.
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400
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401 * tests/timer1.c:
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402 Added test for use of timers.
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403
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404 2000-05-02 Jonathan Larmour <jlarmour@redhat.co.uk>
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405
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406 * include/sched.h: No longer needed - just use the default definition
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407 in isoinfra
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408
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409 * include/errno.h: No longer needed - errno provision now comes from
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410 CYGPKG_ERROR
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411
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412 * include/sys/types.h: Moved to include/types.h
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413
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414 * cdl/posix.cdl, cdl/pthread.cdl: Put include files in cyg/posix, and
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415 configure CYGPKG_ISOINFRA to include the appropriate headers
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416
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417 * include/semaphore.h: Don't need to check kernel - including
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418 pkgconf/kernel.h would already fail
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419 Give SEM_FAILED a type so casting behaves in C++
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420
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421 * include/signal.h: This uses pid_t etc., so include <sys/types.h>
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422 Add signal() and raise() prototypes (to allow libc compilation, even
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423 though they aren't implemented yet)
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424
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425 * include/time.h: Remove unnecessary includes. Move clockid_t and
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426 timer_t definitions here from sys/types.h since this is where the
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427 standard says they must live.
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428
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429 * src/pprivate.h: Include signal.h and limits.h since their contents
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430 are used later in the file.
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431
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432 2000-04-28 Nick Garnett <nickg@cygnus.co.uk>
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433
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434 * src/signal.cxx:
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435 Added implementations of alarm(), pause() and sleep().
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436 Modified cyg_sigqueue() so that it could be called from an ASR.
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437 Added cyg_posix_signal_asr() to do signal processing in ASRs.
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438 Miscellaneous bug fixes.
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439
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440 * src/pthread.cxx:
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441 Added pthread_count to count number of threads created.
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442 Added call to signal ASR function in main ASR.
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443 Added cyg_posix_pthread_release_thread() to seek out and kick a
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444 thread to which a given set of signals may be delivered.
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445
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446 * src/pprivate.h:
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447 Added some more functions that are shared between POSIX
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448 subsystems.
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449
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450 * include/signal.h:
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451 Added alarm(), pause() and sleep() prototypes.
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452
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453 * tests/signal1.c: Added this test for various aspects of signal
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454 handling.
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455
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456 * cdl/posix.cdl: Added signal1 test.
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457
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458 2000-04-20 Nick Garnett <nickg@cygnus.co.uk>
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459
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460 * src/signal.cxx: Added this file to contain signal handling code.
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461
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462 * src/time.cxx: Made tick<->timespec converters exported to
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463 rest of POSIX subsystem. Enabled interface to signal mechanism for
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464 notifying timer expiration.
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465
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466 * src/pthread.cxx:
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467 Made pthread_mutex exported to rest of POSIX subsystem.
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468 Exported pthread_info_id().
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469 Added thread init and destroy functions for signal subsystem.
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470
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471 * src/startup.cxx: Added call to cyg_posix_signal_start().
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472
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473 * src/pprivate.h: Added signal handling fields support to
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474 pthread_info structure. Added extra internal interfaces to support
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475 signal handling code.
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476
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477 * include/signal.h: Added _how_ argument values for the sigmask
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478 functions.
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479
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480 * cdl/posix.cdl: Added signal.cxx to compile list.
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481
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482 2000-04-13 Nick Garnett <nickg@cygnus.co.uk>
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483
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484 * include/time.h:
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485 * src/time.cxx:
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486 Added implementation of clock and timer functions. These are
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487 currently untested since they need working signals.
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488
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489 2000-04-12 Nick Garnett <nickg@cygnus.co.uk>
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490
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491 * src/pprivate.h: Added cancellation support fields to
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492 pthread_info structure. Made pthread_self_info() exported.
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493
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494 * include/semaphore.h: Added SEM_FAILED plus misc. tidies.
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495
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496 * include/pthread.h: Added PTHREAD_CANCELED.
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497
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498 * include/errno.h: Fixed cyg_pthread_errno_p() return type.
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499
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500 * src/pthread.cxx:
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501 Added pthread_reap() to clean up exited threads.
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502 Added support for cancellation.
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503 Added cyg_posix_errno_p().
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504
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505 * src/time.cxx:
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506 Added this file to implement time functionality. At present only
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507 nanosleep() is actually implemented.
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508
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509 * src/sem.cxx:
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510 Added this file to implement semaphore functionality.
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511
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512 * cdl/pthread.cdl:
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513 Added some extra configuration requirements.
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514
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515 * cdl/posix.cdl:
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516 Added some more files to compile.
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517 Added semaphore configuration.
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518
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519 * tests/mutex3.c:
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520 Added this test program. This is actually a POSIXized version of
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521 Hugo's splendid kernel test of the same name. It exercises quite a
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522 lot of the pthread infrastructure and is thus a good test to run.
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523
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524 * tests/pthread1.c:
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525 Added proper comment headers and added full testing stuff.
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526
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527 2000-04-10 Nick Garnett <nickg@cygnus.co.uk>
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528
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529 * src/pprivate.h:
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530 * src/pthread.cxx:
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531 Added per-thread data support.
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532
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533 2000-04-06 Nick Garnett <nickg@cygnus.co.uk>
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534
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535 * src/pthread.cxx:
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536 Filled in implementations of lots of functions.
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537
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538 * src/main.cxx:
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539 Added this file to contain a default main. This is currenly just a
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540 duplicate of the same file from the C library. Work is needed to
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541 combine these.
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542
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543 * include/sys/types.h:
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544 Modified pthread_mutex_t to conform to kernel structure.
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545
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546 * cdl/pthread.cdl:
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547 Added support for main thread.
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548
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549 * cdl/posix.cdl:
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550 Added main.cxx to compile list.
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551
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552 2000-03-31 Nick Garnett <nickg@cygnus.co.uk>
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553
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554 * cdl/pthread.cdl:
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555 * cdl/posix.cdl:
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556 Added CDL files to configure POSIX subsystem.
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557
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558 * src/pprivate.h:
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559 * src/pthread.cxx:
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560 * src/startup.cxx:
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561 Added these files to begin implementation of POSIX package.
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562
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563 * include/pthread.h:
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564 * include/sched.h:
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565 * include/signal.h:
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566 * include/time.h:
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567 * include/sys/types.h:
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568 Many changes needed by implementation work.
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569
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570 * include/limits.h:
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571 * include/errno.h:
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572 Added these header files.
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573
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574 2000-03-24 Nick Garnett <nickg@cygnus.co.uk>
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575
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576 * include/sys/types.h:
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577 * include/time.h:
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578 * include/sched.h:
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579 * include/pthread.h:
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580 * include/signal.h:
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581 * include/semaphore.h:
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582 * include/mqueue.h:
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583 Roughed out (most of) the set of POSIX headers for the
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584 functionality we are currently going to support. These files are
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585 currently neither fully standard conformant nor implementation
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586 ready. Much work is still needed to make them so. Watch this
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587 space.
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588