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annotate packages/compat/posix/current/ChangeLog @ 130:eb9fd8c04db3 ecos-sw-2000-10-23

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Merge from eCos master repository on 2000-10-23-17:01:37-BST
author jlarmour
date Mon, 23 Oct 2000 17:10:57 +0000
parents 0c2b7be0d798
children 0ae0bc38e387
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130
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1 2000-10-16 Jonathan Larmour <jlarmour@redhat.com>
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2
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3 * include/sigsetjmp.h (sigsetjmp): Various fixes to make portable
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4 across all HALs (by avoiding CYGARC_JMP_BUF_SIZE) and remove warnings.
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5 * src/signal.cxx (siglongjmp): Likewise
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6
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7 2000-10-12 Nick Garnett <nickg@cygnus.co.uk>
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8
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9 * include/sigsetjmp.h: Added this header to define
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10 sigjmp_buf,sigsetjmp() and siglongjmp().
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11
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12 * cdl/posix.cdl:
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13 Added support for providing sigsetjmp implementation and header.
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14 Added sigsetjmp test.
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15
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16 * src/signal.cxx: Added siglongjmp().
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17
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18 * tests/sigsetjmp.c: Added this test for sigsetjmp(), siglongjmp()
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19 functionality. This is also a test for longjmping out of signal
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20 handlers.
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21
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22 * tests/signal2.c:
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23 Ifdeffed around cause_* functions to avoid compiler warnings when
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24 they are not needed.
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25 Changed CYG_TEST_NA() calls to CYG_TEST_INFO() and changed
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26 CYG_TEST_FINISH() to CYG_TEST_PASS_FINISH(). With the _NA's there,
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27 the first unsupported exception just terminates the program, and
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28 does not give any subsequent supported ones a chance to run.
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29
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30 2000-10-12 Jesper Skov <jskov@redhat.com>
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31
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32 * tests/timer1.c (main): Fix exit check.
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33
128
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34 2000-10-11 Nick Garnett <nickg@cygnus.co.uk>
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35
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36 * src/pthread.cxx: Fixed cyg_posix_pthread_release_thread() to
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37 work for _DETACHED threads as well as for _RUNNING ones. Also
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38 fixed a bug in test to decrement counter in this routine.
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39
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40 * src/pprivate.h: Added note about retaining numerical order of
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41 PTHREAD_STATE_* defines.
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42
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43 * tests/timer1.c: Fixed some bugs of the how-did-it-ever-work
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44 variety.
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45
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46 2000-10-05 Nick Garnett <nickg@cygnus.co.uk>
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47
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48 * src/misc.cxx:
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49 Added a set of compatibility functions to aid portability and
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50 improve standards compliance.
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51 Added cyg_posix_function_[start|finish] to set up and terminate
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52 POSIX API functionality wrt signal and cancellation behaviour.
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53 (Lots more to do here).
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54
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55 * include/export.h:
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56 Added this file to contain definitions that can be exported from
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57 the POSIX package to others.
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58
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59 * src/pprivate.h: Added include of export.h
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60
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61 2000-09-11 Jonathan Larmour <jlarmour@redhat.com>
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62
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63 * include/limits.h (OPEN_MAX): Don't define here - let FS infra do
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64 that.
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65 (LINK_MAX): Ditto
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66 (NAME_MAX): Ditto
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67 (PATH_MAX): Ditto
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68
121
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69 2000-09-04 Nick Garnett <nickg@cygnus.co.uk>
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70
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71 * tests/pthread2.c:
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72 * tests/pthread3.c:
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73 Fixed bug in calculation of thread stack addresses.
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74
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75 * src/misc.cxx (sysconf): Change zero returns to -1 when a feature
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76 is not supported.
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77
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78 2000-08-08 Jonathan Larmour <jlarmour@redhat.co.uk>
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79
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80 * include/limits.h: Don't define SSIZE_MAX here, leave it to the
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81 isoinfra default.
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82
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83 2000-07-27 Jonathan Larmour <jlarmour@redhat.co.uk>
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84
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85 * tests/signal2.c: NA if no setjmp/longjmp
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86
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87 2000-07-26 Nick Garnett <nickg@cygnus.co.uk>
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88
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89 * include/pthread.h:
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90 * src/pthread.cxx (pthread_testcancel): Reversed addition of cyg_
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91 to this symbol.
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92
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93 2000-07-25 Jonathan Larmour <jlarmour@redhat.co.uk>
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94
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95 * src/pthread.cxx: Define main_stack and main_thread as static
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96 Rename pthread_canceled -> cyg_pthread_canceled - pthread_ may be
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97 a reserved name space but this makes explicit it is implementation-
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98 and not standard-defined
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99 (PTHREAD_ENTRY_VOID): Define for funcs that take no args
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100 (pthread_testcancel): Call PTHREAD_ENTRY_VOID()
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101
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102 * include/pthread.h: Rename pthread_canceled -> cyg_pthread_canceled
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103
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104 2000-07-20 Jonathan Larmour <jlarmour@redhat.co.uk>
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105
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106 * src/pthread.cxx: Use isoinfra to determine presence of malloc()
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107 Define pthread_malloc() and pthread_free() as inlines
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108
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109 * cdl/posix.cdl: Shouldn't define _POSIX_MESSAGE_PASSING at all - that
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110 happens in isoinfra.
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111
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112 2000-07-20 Nick Garnett <nickg@cygnus.co.uk>
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113
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114 * cdl/posix.cdl: Added misc.cxx to compile list. Added option to
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115 define _POSIX_MESSAGE_PASSING. Added configury for utsname
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116 structure.
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117
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118 * include/utsname.h: Added this file to define struct utsname and
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119 uname() function prototype.
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120
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121 * include/mqueue.h: Moved definition of _POSIX_MESSAGE_PASSING to
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122 CDL.
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123
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124 * include/limits.h: Added NGROUPS_MAX definition.
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125
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126 * src/pthread.cxx:
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127 Added support for malloced() thread stacks.
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128 Added implementations of pthread_mutex_setprioceiling() and
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129 pthread_mutex_getprioceiling().
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130 Changed implementations of pthread_mutex_destroy(),
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131 pthread_mutex_lock() and pthread_mutex_trylock() to conform more
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132 closely to the standard.
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133 Changed pthread_key_create() to assign NULL to all valid thread
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134 slots that correspond to a newly allocated key.
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135
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136 * src/pprivate.h: Added freestack and stackmem members to manage
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137 malloced thread stacks.
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138
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139 * src/misc.cxx: Added this file to contain functions that do not
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140 belong in any other files. Currently contains uname() and
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141 sysconf().
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142
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143 2000-07-19 Jonathan Larmour <jlarmour@redhat.co.uk>
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144
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145 * src/startup.cxx: Remove unnecessary includes
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146 Use dummy object constructor to do initialization
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147
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148 * cdl/posix.cdl:
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149 Don't need main.cxx any more
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150 Build startup.cxx into extras.o (via libextras.a)
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151
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152 * cdl/pthread.cdl (CYGPKG_POSIX_MAIN_THREAD):
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153 Integrate with CYGPKG_LIBC_STARTUP - tell CYGPKG_LIBC_STARTUP to
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154 let pthreads set up main thread
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155
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156 * src/pthread.cxx: Integrate with CYGPKG_LIBC_STARTUP rather than
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157 calling main() directly.
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158 Track number of threads waiting to be joined, so we can tell in
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159 pthread_exit() if this is the last thread, and therefore whether
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160 to call exit()
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161
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162 * src/main.cxx: obsolete, removed
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163
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164 2000-07-13 Nick Garnett <nickg@cygnus.co.uk>
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165
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166 * src/signal.cxx: Added ISO C compatibility functions signal() and
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167 raise().
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168
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169 2000-06-21 Nick Garnett <nickg@cygnus.co.uk>
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170
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171 * src/pthread.cxx: Added for(;;) loop to end of pthread_exit().
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172 pthread_exit() is marked with the noreturn attribute, and without
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173 this some compilers generate a call to abort() here in case
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174 Cyg_Thread::exit() returns. The loop avoids this.
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175
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176 2000-06-06 Jonathan Larmour <jlarmour@redhat.co.uk>
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177
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178 * src/mqueue.cxx (mq_receive): Fix non-portable treatment of mode flags
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179 (mq_send): Ditto
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180 * tests/mqueue2.c (main): Ditto
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181
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182 2000-05-24 Nick Garnett <nickg@cygnus.co.uk>
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183
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184 * tests/pthread2.c: Added this program to test per-thread data
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185 handling.
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186
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187 * tests/pthread3.c: Added this program to test execution of
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188 cancellation handler.
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189
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190 * src/pthread.cxx: Fixed some bugs revealed by new test programs.
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191
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192 * cdl/posix.cdl: Added two new pthread tests.
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193
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194 2000-05-22 Jonathan Larmour <jlarmour@redhat.co.uk>
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195
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196 * cdl/posix.cdl (CYGPKG_POSIX): Require
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197 CYGIMP_KERNEL_SCHED_SORTED_QUEUES
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198
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199 2000-05-20 Jonathan Larmour <jlarmour@redhat.co.uk>
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200
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201 * tests/mqueue1.c (cyg_user_start): Define correctly
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202 * tests/mqueue2.c (cyg_user_start): Likewise
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203
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204 * src/pprivate.h (cyg_sigqueue): Make struct sigevent * arg const since
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205 it is, and it prevents warnings elsewhere
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206 * src/signal.cxx (cyg_sigqueue): ditto
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207
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208 * tests/signal2.c: Use CYG_TEST_NA, not CYG_TEST_INFO (otherwise
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209 the test farm may fail the tests because there are no PASSes or NAs)
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210
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211 * cdl/posix.cdl (CYGPKG_POSIX): We need errno and error codes, so
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212 require them
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213 Move some of the package implements into the components
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214 Add message queue configuration, build mqueue.cxx and the mqueue1 and
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215 mqueue2 tests
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216 Move some calculated options into isoinfra, implemented as interfaces
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217 so that unistd.h and limits.h can get the values
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218
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219 * include/limits.h: Move _POSIX_* macros into isoinfra limits.h
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220 since they are implementation independent
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221
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222 * src/mqueue.cxx: Add POSIX message queue implementation
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223 * tests/mqueue1.c, tests/mqueue2.c: and tests
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224
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225 2000-05-18 Nick Garnett <nickg@cygnus.co.uk>
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226
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227 * src/pprivate.h:
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228 * src/pthread.cxx:
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229 * src/signal.cxx:
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230 * src/time.cxx:
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231 Added prioritization of static kernel objects.
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232
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233 2000-05-17 Nick Garnett <nickg@cygnus.co.uk>
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234
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235 * src/pthread.cxx:
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236 To reduce the static memory required by this code, the
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237 pthread_info structure for a pthread is now allocated in the stack
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238 memory for that thread, and not in a static table. The table is
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239 now just an array of pointers. The per-thread data array is now
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240 also allocated onto the stack only when first required.
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241
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242 * include/pthread.h: Removed some redundant code.
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243
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244 * include/limits.h: Added PTHREAD_STACK_OVERHEAD to record
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245 management overhead imposed on POSIX threads stacks. This is added
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246 to the HAL minimum requirement to generate PTHREAD_STACK_MIN.
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247
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248 * src/pprivate.h (pthread_info):
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249 * include/types.h (pthread_attr_t): Converted a number of integer
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250 state and boolean fields to bitfields.
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251
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252 * cdl/pthread.cdl:
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253 Added requirement for CYGFUN_KERNEL_THREADS_STACK_LIMIT.
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254
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255 2000-05-16 Nick Garnett <nickg@cygnus.co.uk>
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256
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257 * include/types.h: Added stacksize_valid to pthread_attr_t
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258 structure.
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259
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260 * include/signal.h:
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261 Added SI_EXCEPT to mark any signals that were caused by an
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262 exception. Removed conditions around SIGBUS.
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263
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264 * src/startup.cxx (cyg_posix_start):
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265 Added call to cyg_posix_exception_start().
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266
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267 * src/signal.cxx:
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268 Rearranged cyg_deliver_signals() so that it is possible to
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269 longjmp() out of a signal handler without leaving signal handling
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270 code in an inconsistent state.
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271 Added handling of SIG_IGN in sigaction().
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272
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273 * src/pthread.cxx: Added setting and checking of stacksize_valid.
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274
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275 * src/pprivate.h: Added cyg_deliver_signals() as an export of
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276 signal system. Added exports from except.cxx.
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277
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278 * src/except.cxx: Added this file to handle delivery of exceptions
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279 into the POSIX signal mechanism.
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280
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281 * cdl/posix.cdl: Added except.cxx to compile list, added signal2
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282 to tests. Added requirement on kernel exception processing.
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283
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284 * tests/tm_basic.cxx: Tidied up a compilation warning.
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285
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286 * tests/signal2.c: Added this test for exception signal generation.
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287
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288 * tests/mutex3.c: Fixed stupid bug.
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289
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290 2000-05-10 Nick Garnett <nickg@cygnus.co.uk>
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291
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292 * src/pprivate.h: Added cyg_posix_clock_start() prototype.
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293
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294 * src/startup.cxx: Added call to cyg_posix_clock_start().
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295
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296 * src/time.cxx: Added startup routine to initialize
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297 converters. Fixed error result bug in timer_delete().
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298
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299 * include/signal.h: Removed some configuration tests which are now
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300 done in CDL.
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301
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302 * cdl/posix.cdl: Added configury for the signals component. Added
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303 tm_basic to tests.
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304
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305 * tests/tm_basic.cxx:
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306 Added this POSIXized version of the tm_basic test. Note that this
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307 has not been entirely converted. While the code being tested is
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308 POSIX, the timing infrastructure remains a mish-mash of kernel,
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309 KAPI and HAL code.
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310
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311 2000-05-04 Nick Garnett <nickg@cygnus.co.uk>
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312
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313 * src/time.cxx:
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314 Many changes to implement the delivery of signals on timer expiry.
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315 Also added timer_delete().
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316
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317 * src/signal.cxx:
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318 cyg_sigqueue() and cyg_deliver_signals() may now only be called
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319 from within the context of a POSIX thread, either from an API call
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320 or an ASR.
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321 cyg_deliver_signals() can now cope with a signal that has
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322 SA_SIGINFO set but no signals queued. It also determines
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323 dynamically whether to lock the signal_mutex.
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324 cyg_deliver_signals() is no longer called implicitly from
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325 cyg_sigqueue() - so a number of expicit calls have been added.
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326
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327 * src/sched.cxx:
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328 Added this file to implement scheduling API.
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329
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330 * src/pthread.cxx:
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331 Moved priority translation macros to pprivate.h.
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332 Removed errno handling, now done in isoinfra package.
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333 Added iterative calls to per-thread data destructors.
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334
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335 * src/pprivate.h:
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336 Removed error field from pthread_info structure.
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337 Moved priority translation macros here.
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338 Removed prototype for cyg_deliver_signals().
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339 Added prototype for cyg_posix_timer_asr().
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340
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341 * include/time.h: Added timer_delete() which was mysteriously
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342 omitted.
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343
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344 * cdl/posix.cdl: Added sched.cxx to compile list and timer1.c to
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345 tests.
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346
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347 * tests/signal1.c:
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348 * tests/pthread1.c:
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349 Fixed bug in use of stack sizes.
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350
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351 * tests/timer1.c:
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352 Added test for use of timers.
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353
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354 2000-05-02 Jonathan Larmour <jlarmour@redhat.co.uk>
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355
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356 * include/sched.h: No longer needed - just use the default definition
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357 in isoinfra
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358
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359 * include/errno.h: No longer needed - errno provision now comes from
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360 CYGPKG_ERROR
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361
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362 * include/sys/types.h: Moved to include/types.h
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363
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364 * cdl/posix.cdl, cdl/pthread.cdl: Put include files in cyg/posix, and
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365 configure CYGPKG_ISOINFRA to include the appropriate headers
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366
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367 * include/semaphore.h: Don't need to check kernel - including
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368 pkgconf/kernel.h would already fail
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369 Give SEM_FAILED a type so casting behaves in C++
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370
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371 * include/signal.h: This uses pid_t etc., so include <sys/types.h>
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372 Add signal() and raise() prototypes (to allow libc compilation, even
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373 though they aren't implemented yet)
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374
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375 * include/time.h: Remove unnecessary includes. Move clockid_t and
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376 timer_t definitions here from sys/types.h since this is where the
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377 standard says they must live.
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378
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379 * src/pprivate.h: Include signal.h and limits.h since their contents
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380 are used later in the file.
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381
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382 2000-04-28 Nick Garnett <nickg@cygnus.co.uk>
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383
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384 * src/signal.cxx:
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385 Added implementations of alarm(), pause() and sleep().
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386 Modified cyg_sigqueue() so that it could be called from an ASR.
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387 Added cyg_posix_signal_asr() to do signal processing in ASRs.
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388 Miscellaneous bug fixes.
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389
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390 * src/pthread.cxx:
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391 Added pthread_count to count number of threads created.
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392 Added call to signal ASR function in main ASR.
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393 Added cyg_posix_pthread_release_thread() to seek out and kick a
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394 thread to which a given set of signals may be delivered.
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395
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396 * src/pprivate.h:
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397 Added some more functions that are shared between POSIX
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398 subsystems.
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399
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400 * include/signal.h:
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401 Added alarm(), pause() and sleep() prototypes.
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402
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403 * tests/signal1.c: Added this test for various aspects of signal
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404 handling.
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405
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406 * cdl/posix.cdl: Added signal1 test.
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407
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408 2000-04-20 Nick Garnett <nickg@cygnus.co.uk>
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409
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410 * src/signal.cxx: Added this file to contain signal handling code.
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411
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412 * src/time.cxx: Made tick<->timespec converters exported to
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413 rest of POSIX subsystem. Enabled interface to signal mechanism for
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414 notifying timer expiration.
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415
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416 * src/pthread.cxx:
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417 Made pthread_mutex exported to rest of POSIX subsystem.
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418 Exported pthread_info_id().
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419 Added thread init and destroy functions for signal subsystem.
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420
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421 * src/startup.cxx: Added call to cyg_posix_signal_start().
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422
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423 * src/pprivate.h: Added signal handling fields support to
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424 pthread_info structure. Added extra internal interfaces to support
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425 signal handling code.
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426
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427 * include/signal.h: Added _how_ argument values for the sigmask
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428 functions.
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429
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430 * cdl/posix.cdl: Added signal.cxx to compile list.
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431
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432 2000-04-13 Nick Garnett <nickg@cygnus.co.uk>
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433
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434 * include/time.h:
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435 * src/time.cxx:
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436 Added implementation of clock and timer functions. These are
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437 currently untested since they need working signals.
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438
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439 2000-04-12 Nick Garnett <nickg@cygnus.co.uk>
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440
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441 * src/pprivate.h: Added cancellation support fields to
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442 pthread_info structure. Made pthread_self_info() exported.
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443
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444 * include/semaphore.h: Added SEM_FAILED plus misc. tidies.
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445
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446 * include/pthread.h: Added PTHREAD_CANCELED.
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447
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448 * include/errno.h: Fixed cyg_pthread_errno_p() return type.
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449
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450 * src/pthread.cxx:
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451 Added pthread_reap() to clean up exited threads.
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452 Added support for cancellation.
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453 Added cyg_posix_errno_p().
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454
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455 * src/time.cxx:
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456 Added this file to implement time functionality. At present only
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457 nanosleep() is actually implemented.
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458
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459 * src/sem.cxx:
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460 Added this file to implement semaphore functionality.
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461
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462 * cdl/pthread.cdl:
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463 Added some extra configuration requirements.
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464
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465 * cdl/posix.cdl:
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466 Added some more files to compile.
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467 Added semaphore configuration.
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468
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469 * tests/mutex3.c:
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470 Added this test program. This is actually a POSIXized version of
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471 Hugo's splendid kernel test of the same name. It exercises quite a
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472 lot of the pthread infrastructure and is thus a good test to run.
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473
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474 * tests/pthread1.c:
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475 Added proper comment headers and added full testing stuff.
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476
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477 2000-04-10 Nick Garnett <nickg@cygnus.co.uk>
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478
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479 * src/pprivate.h:
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480 * src/pthread.cxx:
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481 Added per-thread data support.
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482
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483 2000-04-06 Nick Garnett <nickg@cygnus.co.uk>
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484
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485 * src/pthread.cxx:
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486 Filled in implementations of lots of functions.
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487
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488 * src/main.cxx:
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489 Added this file to contain a default main. This is currenly just a
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490 duplicate of the same file from the C library. Work is needed to
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491 combine these.
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492
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493 * include/sys/types.h:
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494 Modified pthread_mutex_t to conform to kernel structure.
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495
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496 * cdl/pthread.cdl:
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497 Added support for main thread.
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498
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499 * cdl/posix.cdl:
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500 Added main.cxx to compile list.
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501
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502 2000-03-31 Nick Garnett <nickg@cygnus.co.uk>
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503
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504 * cdl/pthread.cdl:
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505 * cdl/posix.cdl:
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506 Added CDL files to configure POSIX subsystem.
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507
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508 * src/pprivate.h:
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509 * src/pthread.cxx:
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510 * src/startup.cxx:
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511 Added these files to begin implementation of POSIX package.
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512
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513 * include/pthread.h:
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514 * include/sched.h:
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515 * include/signal.h:
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516 * include/time.h:
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517 * include/sys/types.h:
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518 Many changes needed by implementation work.
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519
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520 * include/limits.h:
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521 * include/errno.h:
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522 Added these header files.
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523
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524 2000-03-24 Nick Garnett <nickg@cygnus.co.uk>
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525
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526 * include/sys/types.h:
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527 * include/time.h:
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528 * include/sched.h:
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529 * include/pthread.h:
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530 * include/signal.h:
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531 * include/semaphore.h:
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532 * include/mqueue.h:
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533 Roughed out (most of) the set of POSIX headers for the
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534 functionality we are currently going to support. These files are
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535 currently neither fully standard conformant nor implementation
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536 ready. Much work is still needed to make them so. Watch this
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537 space.
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538