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annotate packages/compat/posix/current/ChangeLog @ 128:0c2b7be0d798 ecos-sw-2000-10-12

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Merge from eCos master repository on 2000-10-12-08:46:24-BST
author jlarmour
date Thu, 12 Oct 2000 20:31:43 +0000
parents 0ec04793409a
children eb9fd8c04db3
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128
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1 2000-10-11 Nick Garnett <nickg@cygnus.co.uk>
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2
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3 * src/pthread.cxx: Fixed cyg_posix_pthread_release_thread() to
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4 work for _DETACHED threads as well as for _RUNNING ones. Also
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5 fixed a bug in test to decrement counter in this routine.
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6
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7 * src/pprivate.h: Added note about retaining numerical order of
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8 PTHREAD_STATE_* defines.
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9
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10 * tests/timer1.c: Fixed some bugs of the how-did-it-ever-work
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11 variety.
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12
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13 2000-10-05 Nick Garnett <nickg@cygnus.co.uk>
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14
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15 * src/misc.cxx:
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16 Added a set of compatibility functions to aid portability and
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17 improve standards compliance.
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18 Added cyg_posix_function_[start|finish] to set up and terminate
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19 POSIX API functionality wrt signal and cancellation behaviour.
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20 (Lots more to do here).
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21
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22 * include/export.h:
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23 Added this file to contain definitions that can be exported from
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24 the POSIX package to others.
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25
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26 * src/pprivate.h: Added include of export.h
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27
124
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28 2000-09-11 Jonathan Larmour <jlarmour@redhat.com>
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29
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30 * include/limits.h (OPEN_MAX): Don't define here - let FS infra do
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31 that.
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32 (LINK_MAX): Ditto
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33 (NAME_MAX): Ditto
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34 (PATH_MAX): Ditto
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35
121
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36 2000-09-04 Nick Garnett <nickg@cygnus.co.uk>
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37
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38 * tests/pthread2.c:
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39 * tests/pthread3.c:
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40 Fixed bug in calculation of thread stack addresses.
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41
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42 * src/misc.cxx (sysconf): Change zero returns to -1 when a feature
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43 is not supported.
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44
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45 2000-08-08 Jonathan Larmour <jlarmour@redhat.co.uk>
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46
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47 * include/limits.h: Don't define SSIZE_MAX here, leave it to the
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48 isoinfra default.
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49
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50 2000-07-27 Jonathan Larmour <jlarmour@redhat.co.uk>
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51
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52 * tests/signal2.c: NA if no setjmp/longjmp
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53
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54 2000-07-26 Nick Garnett <nickg@cygnus.co.uk>
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55
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56 * include/pthread.h:
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57 * src/pthread.cxx (pthread_testcancel): Reversed addition of cyg_
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58 to this symbol.
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59
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60 2000-07-25 Jonathan Larmour <jlarmour@redhat.co.uk>
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61
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62 * src/pthread.cxx: Define main_stack and main_thread as static
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63 Rename pthread_canceled -> cyg_pthread_canceled - pthread_ may be
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64 a reserved name space but this makes explicit it is implementation-
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65 and not standard-defined
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66 (PTHREAD_ENTRY_VOID): Define for funcs that take no args
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67 (pthread_testcancel): Call PTHREAD_ENTRY_VOID()
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68
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69 * include/pthread.h: Rename pthread_canceled -> cyg_pthread_canceled
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70
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71 2000-07-20 Jonathan Larmour <jlarmour@redhat.co.uk>
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72
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73 * src/pthread.cxx: Use isoinfra to determine presence of malloc()
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74 Define pthread_malloc() and pthread_free() as inlines
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75
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76 * cdl/posix.cdl: Shouldn't define _POSIX_MESSAGE_PASSING at all - that
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77 happens in isoinfra.
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78
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79 2000-07-20 Nick Garnett <nickg@cygnus.co.uk>
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80
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81 * cdl/posix.cdl: Added misc.cxx to compile list. Added option to
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82 define _POSIX_MESSAGE_PASSING. Added configury for utsname
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83 structure.
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84
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85 * include/utsname.h: Added this file to define struct utsname and
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86 uname() function prototype.
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87
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88 * include/mqueue.h: Moved definition of _POSIX_MESSAGE_PASSING to
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89 CDL.
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90
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91 * include/limits.h: Added NGROUPS_MAX definition.
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92
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93 * src/pthread.cxx:
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94 Added support for malloced() thread stacks.
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95 Added implementations of pthread_mutex_setprioceiling() and
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96 pthread_mutex_getprioceiling().
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97 Changed implementations of pthread_mutex_destroy(),
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98 pthread_mutex_lock() and pthread_mutex_trylock() to conform more
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99 closely to the standard.
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100 Changed pthread_key_create() to assign NULL to all valid thread
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101 slots that correspond to a newly allocated key.
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102
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103 * src/pprivate.h: Added freestack and stackmem members to manage
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104 malloced thread stacks.
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105
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106 * src/misc.cxx: Added this file to contain functions that do not
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107 belong in any other files. Currently contains uname() and
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108 sysconf().
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109
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110 2000-07-19 Jonathan Larmour <jlarmour@redhat.co.uk>
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111
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112 * src/startup.cxx: Remove unnecessary includes
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113 Use dummy object constructor to do initialization
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114
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115 * cdl/posix.cdl:
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116 Don't need main.cxx any more
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117 Build startup.cxx into extras.o (via libextras.a)
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118
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119 * cdl/pthread.cdl (CYGPKG_POSIX_MAIN_THREAD):
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120 Integrate with CYGPKG_LIBC_STARTUP - tell CYGPKG_LIBC_STARTUP to
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121 let pthreads set up main thread
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122
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123 * src/pthread.cxx: Integrate with CYGPKG_LIBC_STARTUP rather than
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124 calling main() directly.
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125 Track number of threads waiting to be joined, so we can tell in
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126 pthread_exit() if this is the last thread, and therefore whether
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127 to call exit()
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128
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129 * src/main.cxx: obsolete, removed
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130
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131 2000-07-13 Nick Garnett <nickg@cygnus.co.uk>
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132
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133 * src/signal.cxx: Added ISO C compatibility functions signal() and
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134 raise().
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135
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136 2000-06-21 Nick Garnett <nickg@cygnus.co.uk>
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137
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138 * src/pthread.cxx: Added for(;;) loop to end of pthread_exit().
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139 pthread_exit() is marked with the noreturn attribute, and without
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140 this some compilers generate a call to abort() here in case
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141 Cyg_Thread::exit() returns. The loop avoids this.
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142
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143 2000-06-06 Jonathan Larmour <jlarmour@redhat.co.uk>
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144
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145 * src/mqueue.cxx (mq_receive): Fix non-portable treatment of mode flags
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146 (mq_send): Ditto
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147 * tests/mqueue2.c (main): Ditto
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148
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149 2000-05-24 Nick Garnett <nickg@cygnus.co.uk>
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150
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151 * tests/pthread2.c: Added this program to test per-thread data
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152 handling.
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153
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154 * tests/pthread3.c: Added this program to test execution of
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155 cancellation handler.
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156
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157 * src/pthread.cxx: Fixed some bugs revealed by new test programs.
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158
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159 * cdl/posix.cdl: Added two new pthread tests.
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160
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161 2000-05-22 Jonathan Larmour <jlarmour@redhat.co.uk>
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162
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163 * cdl/posix.cdl (CYGPKG_POSIX): Require
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164 CYGIMP_KERNEL_SCHED_SORTED_QUEUES
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165
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166 2000-05-20 Jonathan Larmour <jlarmour@redhat.co.uk>
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167
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168 * tests/mqueue1.c (cyg_user_start): Define correctly
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169 * tests/mqueue2.c (cyg_user_start): Likewise
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170
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171 * src/pprivate.h (cyg_sigqueue): Make struct sigevent * arg const since
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172 it is, and it prevents warnings elsewhere
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173 * src/signal.cxx (cyg_sigqueue): ditto
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174
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175 * tests/signal2.c: Use CYG_TEST_NA, not CYG_TEST_INFO (otherwise
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176 the test farm may fail the tests because there are no PASSes or NAs)
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177
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178 * cdl/posix.cdl (CYGPKG_POSIX): We need errno and error codes, so
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179 require them
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180 Move some of the package implements into the components
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181 Add message queue configuration, build mqueue.cxx and the mqueue1 and
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182 mqueue2 tests
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183 Move some calculated options into isoinfra, implemented as interfaces
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184 so that unistd.h and limits.h can get the values
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185
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186 * include/limits.h: Move _POSIX_* macros into isoinfra limits.h
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187 since they are implementation independent
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188
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189 * src/mqueue.cxx: Add POSIX message queue implementation
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190 * tests/mqueue1.c, tests/mqueue2.c: and tests
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191
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192 2000-05-18 Nick Garnett <nickg@cygnus.co.uk>
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193
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194 * src/pprivate.h:
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195 * src/pthread.cxx:
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196 * src/signal.cxx:
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197 * src/time.cxx:
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198 Added prioritization of static kernel objects.
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199
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200 2000-05-17 Nick Garnett <nickg@cygnus.co.uk>
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201
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202 * src/pthread.cxx:
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203 To reduce the static memory required by this code, the
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204 pthread_info structure for a pthread is now allocated in the stack
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205 memory for that thread, and not in a static table. The table is
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206 now just an array of pointers. The per-thread data array is now
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207 also allocated onto the stack only when first required.
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208
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209 * include/pthread.h: Removed some redundant code.
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210
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211 * include/limits.h: Added PTHREAD_STACK_OVERHEAD to record
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212 management overhead imposed on POSIX threads stacks. This is added
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213 to the HAL minimum requirement to generate PTHREAD_STACK_MIN.
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214
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215 * src/pprivate.h (pthread_info):
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216 * include/types.h (pthread_attr_t): Converted a number of integer
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217 state and boolean fields to bitfields.
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218
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219 * cdl/pthread.cdl:
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220 Added requirement for CYGFUN_KERNEL_THREADS_STACK_LIMIT.
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221
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222 2000-05-16 Nick Garnett <nickg@cygnus.co.uk>
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223
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224 * include/types.h: Added stacksize_valid to pthread_attr_t
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225 structure.
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226
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227 * include/signal.h:
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228 Added SI_EXCEPT to mark any signals that were caused by an
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229 exception. Removed conditions around SIGBUS.
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230
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231 * src/startup.cxx (cyg_posix_start):
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232 Added call to cyg_posix_exception_start().
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233
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234 * src/signal.cxx:
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235 Rearranged cyg_deliver_signals() so that it is possible to
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236 longjmp() out of a signal handler without leaving signal handling
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237 code in an inconsistent state.
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238 Added handling of SIG_IGN in sigaction().
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239
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240 * src/pthread.cxx: Added setting and checking of stacksize_valid.
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241
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242 * src/pprivate.h: Added cyg_deliver_signals() as an export of
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243 signal system. Added exports from except.cxx.
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244
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245 * src/except.cxx: Added this file to handle delivery of exceptions
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246 into the POSIX signal mechanism.
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247
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248 * cdl/posix.cdl: Added except.cxx to compile list, added signal2
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249 to tests. Added requirement on kernel exception processing.
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250
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251 * tests/tm_basic.cxx: Tidied up a compilation warning.
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252
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253 * tests/signal2.c: Added this test for exception signal generation.
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254
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255 * tests/mutex3.c: Fixed stupid bug.
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256
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257 2000-05-10 Nick Garnett <nickg@cygnus.co.uk>
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258
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259 * src/pprivate.h: Added cyg_posix_clock_start() prototype.
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260
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261 * src/startup.cxx: Added call to cyg_posix_clock_start().
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262
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263 * src/time.cxx: Added startup routine to initialize
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264 converters. Fixed error result bug in timer_delete().
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265
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266 * include/signal.h: Removed some configuration tests which are now
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267 done in CDL.
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268
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269 * cdl/posix.cdl: Added configury for the signals component. Added
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270 tm_basic to tests.
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271
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272 * tests/tm_basic.cxx:
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273 Added this POSIXized version of the tm_basic test. Note that this
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274 has not been entirely converted. While the code being tested is
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275 POSIX, the timing infrastructure remains a mish-mash of kernel,
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276 KAPI and HAL code.
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277
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278 2000-05-04 Nick Garnett <nickg@cygnus.co.uk>
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279
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280 * src/time.cxx:
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281 Many changes to implement the delivery of signals on timer expiry.
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282 Also added timer_delete().
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283
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284 * src/signal.cxx:
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285 cyg_sigqueue() and cyg_deliver_signals() may now only be called
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286 from within the context of a POSIX thread, either from an API call
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287 or an ASR.
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288 cyg_deliver_signals() can now cope with a signal that has
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289 SA_SIGINFO set but no signals queued. It also determines
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290 dynamically whether to lock the signal_mutex.
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291 cyg_deliver_signals() is no longer called implicitly from
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292 cyg_sigqueue() - so a number of expicit calls have been added.
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293
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294 * src/sched.cxx:
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295 Added this file to implement scheduling API.
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296
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297 * src/pthread.cxx:
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298 Moved priority translation macros to pprivate.h.
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299 Removed errno handling, now done in isoinfra package.
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300 Added iterative calls to per-thread data destructors.
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301
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302 * src/pprivate.h:
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303 Removed error field from pthread_info structure.
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304 Moved priority translation macros here.
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305 Removed prototype for cyg_deliver_signals().
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306 Added prototype for cyg_posix_timer_asr().
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307
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308 * include/time.h: Added timer_delete() which was mysteriously
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309 omitted.
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310
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311 * cdl/posix.cdl: Added sched.cxx to compile list and timer1.c to
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312 tests.
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313
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314 * tests/signal1.c:
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315 * tests/pthread1.c:
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316 Fixed bug in use of stack sizes.
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317
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318 * tests/timer1.c:
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319 Added test for use of timers.
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320
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321 2000-05-02 Jonathan Larmour <jlarmour@redhat.co.uk>
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322
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323 * include/sched.h: No longer needed - just use the default definition
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324 in isoinfra
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325
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326 * include/errno.h: No longer needed - errno provision now comes from
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327 CYGPKG_ERROR
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328
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329 * include/sys/types.h: Moved to include/types.h
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330
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331 * cdl/posix.cdl, cdl/pthread.cdl: Put include files in cyg/posix, and
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332 configure CYGPKG_ISOINFRA to include the appropriate headers
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333
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334 * include/semaphore.h: Don't need to check kernel - including
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335 pkgconf/kernel.h would already fail
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336 Give SEM_FAILED a type so casting behaves in C++
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337
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338 * include/signal.h: This uses pid_t etc., so include <sys/types.h>
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339 Add signal() and raise() prototypes (to allow libc compilation, even
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340 though they aren't implemented yet)
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341
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342 * include/time.h: Remove unnecessary includes. Move clockid_t and
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343 timer_t definitions here from sys/types.h since this is where the
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344 standard says they must live.
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345
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346 * src/pprivate.h: Include signal.h and limits.h since their contents
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347 are used later in the file.
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348
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349 2000-04-28 Nick Garnett <nickg@cygnus.co.uk>
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350
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351 * src/signal.cxx:
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352 Added implementations of alarm(), pause() and sleep().
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353 Modified cyg_sigqueue() so that it could be called from an ASR.
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354 Added cyg_posix_signal_asr() to do signal processing in ASRs.
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355 Miscellaneous bug fixes.
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356
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357 * src/pthread.cxx:
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358 Added pthread_count to count number of threads created.
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359 Added call to signal ASR function in main ASR.
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360 Added cyg_posix_pthread_release_thread() to seek out and kick a
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361 thread to which a given set of signals may be delivered.
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362
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363 * src/pprivate.h:
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364 Added some more functions that are shared between POSIX
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365 subsystems.
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366
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367 * include/signal.h:
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368 Added alarm(), pause() and sleep() prototypes.
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369
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370 * tests/signal1.c: Added this test for various aspects of signal
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371 handling.
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372
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373 * cdl/posix.cdl: Added signal1 test.
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374
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375 2000-04-20 Nick Garnett <nickg@cygnus.co.uk>
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376
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377 * src/signal.cxx: Added this file to contain signal handling code.
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378
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379 * src/time.cxx: Made tick<->timespec converters exported to
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380 rest of POSIX subsystem. Enabled interface to signal mechanism for
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381 notifying timer expiration.
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382
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383 * src/pthread.cxx:
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384 Made pthread_mutex exported to rest of POSIX subsystem.
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385 Exported pthread_info_id().
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386 Added thread init and destroy functions for signal subsystem.
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387
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388 * src/startup.cxx: Added call to cyg_posix_signal_start().
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389
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390 * src/pprivate.h: Added signal handling fields support to
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391 pthread_info structure. Added extra internal interfaces to support
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392 signal handling code.
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393
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394 * include/signal.h: Added _how_ argument values for the sigmask
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395 functions.
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396
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397 * cdl/posix.cdl: Added signal.cxx to compile list.
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398
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399 2000-04-13 Nick Garnett <nickg@cygnus.co.uk>
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400
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401 * include/time.h:
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402 * src/time.cxx:
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403 Added implementation of clock and timer functions. These are
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404 currently untested since they need working signals.
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405
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406 2000-04-12 Nick Garnett <nickg@cygnus.co.uk>
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407
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408 * src/pprivate.h: Added cancellation support fields to
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409 pthread_info structure. Made pthread_self_info() exported.
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410
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411 * include/semaphore.h: Added SEM_FAILED plus misc. tidies.
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412
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413 * include/pthread.h: Added PTHREAD_CANCELED.
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414
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415 * include/errno.h: Fixed cyg_pthread_errno_p() return type.
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416
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417 * src/pthread.cxx:
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418 Added pthread_reap() to clean up exited threads.
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419 Added support for cancellation.
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420 Added cyg_posix_errno_p().
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421
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422 * src/time.cxx:
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423 Added this file to implement time functionality. At present only
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424 nanosleep() is actually implemented.
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425
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426 * src/sem.cxx:
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427 Added this file to implement semaphore functionality.
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428
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429 * cdl/pthread.cdl:
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430 Added some extra configuration requirements.
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431
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432 * cdl/posix.cdl:
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433 Added some more files to compile.
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434 Added semaphore configuration.
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435
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436 * tests/mutex3.c:
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437 Added this test program. This is actually a POSIXized version of
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438 Hugo's splendid kernel test of the same name. It exercises quite a
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439 lot of the pthread infrastructure and is thus a good test to run.
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440
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441 * tests/pthread1.c:
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442 Added proper comment headers and added full testing stuff.
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443
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444 2000-04-10 Nick Garnett <nickg@cygnus.co.uk>
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445
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446 * src/pprivate.h:
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447 * src/pthread.cxx:
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448 Added per-thread data support.
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449
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450 2000-04-06 Nick Garnett <nickg@cygnus.co.uk>
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451
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452 * src/pthread.cxx:
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453 Filled in implementations of lots of functions.
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454
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455 * src/main.cxx:
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456 Added this file to contain a default main. This is currenly just a
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457 duplicate of the same file from the C library. Work is needed to
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458 combine these.
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459
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460 * include/sys/types.h:
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461 Modified pthread_mutex_t to conform to kernel structure.
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462
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463 * cdl/pthread.cdl:
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464 Added support for main thread.
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465
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466 * cdl/posix.cdl:
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467 Added main.cxx to compile list.
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468
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469 2000-03-31 Nick Garnett <nickg@cygnus.co.uk>
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470
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471 * cdl/pthread.cdl:
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472 * cdl/posix.cdl:
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473 Added CDL files to configure POSIX subsystem.
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474
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475 * src/pprivate.h:
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476 * src/pthread.cxx:
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477 * src/startup.cxx:
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478 Added these files to begin implementation of POSIX package.
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479
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480 * include/pthread.h:
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481 * include/sched.h:
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482 * include/signal.h:
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483 * include/time.h:
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484 * include/sys/types.h:
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485 Many changes needed by implementation work.
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486
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487 * include/limits.h:
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488 * include/errno.h:
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489 Added these header files.
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490
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491 2000-03-24 Nick Garnett <nickg@cygnus.co.uk>
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492
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493 * include/sys/types.h:
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494 * include/time.h:
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495 * include/sched.h:
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496 * include/pthread.h:
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497 * include/signal.h:
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498 * include/semaphore.h:
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499 * include/mqueue.h:
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500 Roughed out (most of) the set of POSIX headers for the
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501 functionality we are currently going to support. These files are
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502 currently neither fully standard conformant nor implementation
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503 ready. Much work is still needed to make them so. Watch this
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504 space.
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505