author | Jan Vrany <jan.vrany@fit.cvut.cz> |
Fri, 20 Jun 2014 22:14:51 +0100 | |
changeset 23 | a7eb888c81b5 |
parent 22 | 57025871aed4 |
child 24 | 98ff50f8a25d |
permissions | -rw-r--r-- |
0 | 1 |
"{ Package: 'jv:libgdbs' }" |
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Object subclass:#GDBConnection |
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Introduced GDBProcess - a class encapsulating gdb OS process.
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instanceVariableNames:'process inferiorPTY eventAnnouncer eventAnnouncerInternal |
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eventQueue eventQueueLock eventQueueNotifier eventDispatchProcess |
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eventPumpProcess outstandingCommands' |
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classVariableNames:'' |
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poolDictionaries:'GDBDebugFlags' |
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category:'GDB-Private' |
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!GDBConnection class methodsFor:'instance creation'! |
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new |
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Introduced GDBProcess - a class encapsulating gdb OS process.
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^ self shouldNotImplement. |
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"Created: / 20-06-2014 / 21:45:42 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
a7eb888c81b5
Introduced GDBProcess - a class encapsulating gdb OS process.
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parents:
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! |
a7eb888c81b5
Introduced GDBProcess - a class encapsulating gdb OS process.
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Introduced GDBProcess - a class encapsulating gdb OS process.
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newWithProcess: aGDBProcess |
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^ self basicNew initializeWithProcess: aGDBProcess |
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Introduced GDBProcess - a class encapsulating gdb OS process.
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Introduced GDBProcess - a class encapsulating gdb OS process.
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"Created: / 20-06-2014 / 21:45:55 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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! ! |
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!GDBConnection methodsFor:'accessing'! |
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eventAnnouncer |
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^ eventAnnouncer |
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! |
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eventAnnouncerInternal |
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^ eventAnnouncerInternal |
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"Created: / 19-06-2014 / 22:18:02 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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inferiorPTY |
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^ inferiorPTY |
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! ! |
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!GDBConnection methodsFor:'commands'! |
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Introduced GDBProcess - a class encapsulating gdb OS process.
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send: command |
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command token notNil ifTrue:[ |
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process debuggerInput nextPutAll: command token printString. |
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Introduced GDBProcess - a class encapsulating gdb OS process.
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]. |
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Introduced GDBProcess - a class encapsulating gdb OS process.
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outstandingCommands add: command. |
a7eb888c81b5
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process debuggerInput nextPutLine: command asString. |
a7eb888c81b5
Introduced GDBProcess - a class encapsulating gdb OS process.
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Introduced GDBProcess - a class encapsulating gdb OS process.
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"Created: / 20-06-2014 / 22:09:38 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
a7eb888c81b5
Introduced GDBProcess - a class encapsulating gdb OS process.
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! ! |
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Introduced GDBProcess - a class encapsulating gdb OS process.
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57025871aed4
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!GDBConnection methodsFor:'event dispatching'! |
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eventDispatchLoop |
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"raise an error: this method should be implemented (TODO)" |
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[ |
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| eventQueueEmpty | |
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eventQueueEmpty := false. |
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[ eventQueueEmpty ] whileFalse:[ |
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| event | |
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event := nil. |
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eventQueueLock critical:[ |
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eventQueueEmpty := eventQueue isEmpty. |
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eventQueueEmpty ifFalse:[ |
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event := eventQueue removeFirst. |
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] |
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]. |
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eventQueueEmpty ifFalse:[ |
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[ |
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self eventDispatchSingle: event. |
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] on: Error do:[:ex | |
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"/ Pass |
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]. |
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]. |
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]. |
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process pid isNil ifTrue:[ ^ self ]. "/ gdb process terninated |
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eventQueueNotifier wait. |
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] loop. |
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"Created: / 02-06-2014 / 22:51:48 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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"Modified: / 20-06-2014 / 21:38:10 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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! |
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eventDispatchSingle: aGDBEvent |
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TraceEvents ifTrue:[ |
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Logger log: ('event loop: broadcasting %1 (%2)' bindWith: aGDBEvent class name with: aGDBEvent token) severity: #trace facility: 'GDB' |
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]. |
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eventAnnouncerInternal announce: aGDBEvent. |
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eventAnnouncer announce: aGDBEvent |
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"Created: / 02-06-2014 / 22:58:20 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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"Modified: / 19-06-2014 / 22:18:27 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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eventDispatchStart |
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eventDispatchProcess isNil ifTrue:[ |
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eventDispatchProcess := [ |
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TraceEvents ifTrue:[ |
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Logger log: 'event loop: starting' severity: #trace facility: 'GDB' |
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]. |
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self eventDispatchLoop. |
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] newProcess. |
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eventDispatchProcess name:('GDB Event dispatcher (%1)' bindWith:process pid). |
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eventDispatchProcess priority:Processor userBackgroundPriority. |
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eventDispatchProcess addExitAction:[ |
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eventDispatchProcess := nil. |
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TraceEvents ifTrue:[ |
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Logger log: 'event loop: terminated' severity: #trace facility: 'GDB' |
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]. |
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]. |
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eventDispatchProcess resume. |
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]. |
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"Created: / 02-06-2014 / 22:51:48 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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"Modified: / 20-06-2014 / 21:38:19 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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122 |
! |
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123 |
|
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124 |
eventDispatchStop |
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125 |
| t | |
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126 |
|
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127 |
t := eventDispatchProcess. |
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128 |
(t notNil and:[ t isDead not]) ifTrue:[ |
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129 |
eventDispatchProcess := nil. |
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130 |
t terminate. |
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131 |
"/ raise its prio to make it terminate quickly |
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132 |
t priority:(Processor userSchedulingPriority + 1) |
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133 |
]. |
2
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|
134 |
|
7
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135 |
"Created: / 02-06-2014 / 22:52:51 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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136 |
! ! |
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|
137 |
|
22
57025871aed4
Renamed GDBDriver to GDBConnection.
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138 |
!GDBConnection methodsFor:'event pump'! |
7
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139 |
|
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140 |
eventPumpLoop |
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141 |
| parser | |
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142 |
|
23
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Introduced GDBProcess - a class encapsulating gdb OS process.
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|
143 |
parser := GDBParser on: process debuggerOutput. |
18
6bf3d5c400d1
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144 |
parser token2CommandMappingBlock:[ :token | |
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145 |
| command | |
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|
146 |
|
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|
147 |
command := outstandingCommands detect:[:cmd | cmd token == token ] ifNone:[nil]. |
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|
148 |
command notNil ifTrue:[ outstandingCommands remove: command ]. |
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149 |
command |
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|
150 |
]. |
23
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|
151 |
[ process debuggerOutput atEnd ] whileFalse:[ |
7
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152 |
| eventset | |
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153 |
|
8
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154 |
[ |
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155 |
[ |
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156 |
eventset := parser parseOutput. |
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|
157 |
] on: StreamNotOpenError do:[ |
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|
158 |
^ self. |
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|
159 |
]. |
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|
160 |
self pushEventSet: eventset. |
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|
161 |
] on: AbortOperationRequest do:[ |
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|
162 |
| terminator i c | |
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|
163 |
|
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|
164 |
terminator := '(gdb)'. |
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|
165 |
i := 1. |
23
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|
166 |
process debuggerOutput notNil ifTrue:[ |
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22
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|
167 |
[ process debuggerOutput atEnd not and: [i <= terminator size ] ] whileTrue:[ |
a7eb888c81b5
Introduced GDBProcess - a class encapsulating gdb OS process.
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|
168 |
c := process debuggerOutput next. |
8
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|
169 |
c == (terminator at: i) ifTrue:[ |
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|
170 |
i := i + 1. |
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|
171 |
] ifFalse:[ |
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|
172 |
i := 1. |
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|
173 |
]. |
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changeset
|
174 |
]. |
23
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Introduced GDBProcess - a class encapsulating gdb OS process.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
22
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changeset
|
175 |
process debuggerOutput next. "/ read nl. |
8
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|
176 |
] ifFalse:[ |
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|
177 |
^ self. |
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|
178 |
]. |
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|
179 |
] |
7
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Initial implementation of event dispatcher and event pump.
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|
180 |
] |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
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|
181 |
|
7a51f98e7162
Initial implementation of event dispatcher and event pump.
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|
182 |
"Created: / 02-06-2014 / 22:38:41 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
23
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Introduced GDBProcess - a class encapsulating gdb OS process.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
22
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changeset
|
183 |
"Modified: / 20-06-2014 / 21:39:45 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
7
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Initial implementation of event dispatcher and event pump.
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|
184 |
! |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
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|
185 |
|
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Initial implementation of event dispatcher and event pump.
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|
186 |
eventPumpStart |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
Jan Vrany <jan.vrany@fit.cvut.cz>
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|
187 |
eventPumpProcess isNil ifTrue:[ |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
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|
188 |
eventPumpProcess := [ |
9
5cc8797f6523
Make simple example with -gdb-exit command working
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
8
diff
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|
189 |
TraceEvents ifTrue:[ |
5cc8797f6523
Make simple example with -gdb-exit command working
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
8
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|
190 |
Logger log: 'event pump: starting' severity: #trace facility: 'GDB' |
5cc8797f6523
Make simple example with -gdb-exit command working
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|
191 |
]. |
7
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Initial implementation of event dispatcher and event pump.
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|
192 |
self eventPumpLoop |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
Jan Vrany <jan.vrany@fit.cvut.cz>
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|
193 |
] newProcess. |
23
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Introduced GDBProcess - a class encapsulating gdb OS process.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
22
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|
194 |
eventPumpProcess name:('GDB Event pump (%1)' bindWith:process pid). |
7
7a51f98e7162
Initial implementation of event dispatcher and event pump.
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|
195 |
eventPumpProcess priority:Processor userBackgroundPriority. |
9
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Make simple example with -gdb-exit command working
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|
196 |
eventPumpProcess addExitAction:[ |
5cc8797f6523
Make simple example with -gdb-exit command working
Jan Vrany <jan.vrany@fit.cvut.cz>
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|
197 |
TraceEvents ifTrue:[ |
5cc8797f6523
Make simple example with -gdb-exit command working
Jan Vrany <jan.vrany@fit.cvut.cz>
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|
198 |
Logger log: 'event pump: terminated' severity: #trace facility: 'GDB' |
5cc8797f6523
Make simple example with -gdb-exit command working
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|
199 |
]. |
5cc8797f6523
Make simple example with -gdb-exit command working
Jan Vrany <jan.vrany@fit.cvut.cz>
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|
200 |
eventPumpProcess := nil. |
5cc8797f6523
Make simple example with -gdb-exit command working
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changeset
|
201 |
]. |
8
7f4882e2562a
More work on basic example. GDB exiting not yet working.
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|
202 |
eventPumpProcess resume. |
7
7a51f98e7162
Initial implementation of event dispatcher and event pump.
Jan Vrany <jan.vrany@fit.cvut.cz>
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|
203 |
]. |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
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|
204 |
|
7a51f98e7162
Initial implementation of event dispatcher and event pump.
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|
205 |
"Created: / 02-06-2014 / 22:38:41 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
23
a7eb888c81b5
Introduced GDBProcess - a class encapsulating gdb OS process.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
22
diff
changeset
|
206 |
"Modified: / 20-06-2014 / 21:37:59 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
7
7a51f98e7162
Initial implementation of event dispatcher and event pump.
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|
207 |
! |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
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parents:
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|
208 |
|
7a51f98e7162
Initial implementation of event dispatcher and event pump.
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parents:
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|
209 |
eventPumpStop |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
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|
210 |
| t | |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
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|
211 |
|
7a51f98e7162
Initial implementation of event dispatcher and event pump.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
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diff
changeset
|
212 |
t := eventPumpProcess. |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
3
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changeset
|
213 |
(t notNil and:[ t isDead not]) ifTrue:[ |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
3
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changeset
|
214 |
eventPumpProcess := nil. |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
3
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changeset
|
215 |
t terminate. |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
Jan Vrany <jan.vrany@fit.cvut.cz>
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3
diff
changeset
|
216 |
"/ raise its prio to make it terminate quickly |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
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parents:
3
diff
changeset
|
217 |
t priority:(Processor userSchedulingPriority + 1) |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
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|
218 |
]. |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
Jan Vrany <jan.vrany@fit.cvut.cz>
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diff
changeset
|
219 |
|
7a51f98e7162
Initial implementation of event dispatcher and event pump.
Jan Vrany <jan.vrany@fit.cvut.cz>
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3
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|
220 |
"Created: / 02-06-2014 / 22:40:38 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
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parents:
3
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changeset
|
221 |
! ! |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
3
diff
changeset
|
222 |
|
22
57025871aed4
Renamed GDBDriver to GDBConnection.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
19
diff
changeset
|
223 |
!GDBConnection methodsFor:'events'! |
7
7a51f98e7162
Initial implementation of event dispatcher and event pump.
Jan Vrany <jan.vrany@fit.cvut.cz>
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|
224 |
|
7a51f98e7162
Initial implementation of event dispatcher and event pump.
Jan Vrany <jan.vrany@fit.cvut.cz>
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|
225 |
pushEvent: aGDBEvent |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
3
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|
226 |
eventQueueLock critical:[ |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
Jan Vrany <jan.vrany@fit.cvut.cz>
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|
227 |
eventQueue add: aGDBEvent. |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
Jan Vrany <jan.vrany@fit.cvut.cz>
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|
228 |
eventQueueNotifier signalForAll. |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
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|
229 |
]. |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
Jan Vrany <jan.vrany@fit.cvut.cz>
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3
diff
changeset
|
230 |
|
7a51f98e7162
Initial implementation of event dispatcher and event pump.
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3
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|
231 |
"Created: / 02-06-2014 / 22:49:49 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
7a51f98e7162
Initial implementation of event dispatcher and event pump.
Jan Vrany <jan.vrany@fit.cvut.cz>
parents:
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|
232 |
! |
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pushEventSet: aGDBEventSet |
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eventQueueLock critical:[ |
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eventQueue addAll: aGDBEventSet. |
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eventQueueNotifier signalForAll. |
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]. |
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"Created: / 02-06-2014 / 22:42:54 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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! ! |
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!GDBConnection methodsFor:'initialize & release'! |
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initializeWithProcess: aGDBProcess |
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process := aGDBProcess. |
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inferiorPTY := GDBPTY new. |
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eventQueue := OrderedCollection new. |
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eventQueueLock := RecursionLock new. |
7
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eventQueueNotifier := Semaphore new. |
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eventAnnouncer := Announcer new. |
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eventAnnouncerInternal := Announcer new. |
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outstandingCommands := Set new. |
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"Created: / 20-06-2014 / 21:40:45 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
0 | 256 |
! |
257 |
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258 |
release |
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process pid notNil ifTrue:[ |
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OperatingSystem sendSignal:(OperatingSystem sigKILL) to:process pid. |
0 | 261 |
] |
262 |
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263 |
"Created: / 26-05-2014 / 21:30:30 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
|
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"Modified: / 20-06-2014 / 21:41:02 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
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! |
266 |
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released: status |
|
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TraceProcesses ifTrue:[ |
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Logger log: ('gdb process: exited with status %1' bindWith: status code) severity: #trace facility: 'GDB'. |
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270 |
]. |
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TraceProcesses ifTrue:[ |
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Logger log: ('gdb process: waiting for event pump to finish' bindWith: status code) severity: #trace facility: 'GDB'. |
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273 |
]. |
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[ eventPumpProcess notNil ] whileTrue:[ |
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Delay waitForMilliseconds: 200. |
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276 |
]. |
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277 |
TraceProcesses ifTrue:[ |
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278 |
Logger log: ('gdb process: event pump finished' bindWith: status code) severity: #trace facility: 'GDB'. |
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279 |
]. |
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280 |
eventQueueNotifier signalForAll. |
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process release. |
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inferiorPTY release. |
0 | 283 |
|
284 |
"Created: / 26-05-2014 / 21:31:00 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
|
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285 |
"Modified: / 20-06-2014 / 21:37:32 / Jan Vrany <jan.vrany@fit.cvut.cz>" |
0 | 286 |
! ! |
287 |
||
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Renamed GDBDriver to GDBConnection.
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!GDBConnection class methodsFor:'documentation'! |
1 | 289 |
|
290 |
version_HG |
|
291 |
||
292 |
^ '$Changeset: <not expanded> $' |
|
293 |
! ! |
|
294 |