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bonefish + mmlr:

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* Add possibility to restart a complete pipe through B_KDEBUG_RESTART_PIPE.
* Implement tail in the kernel debugger making use of the former.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@28154 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Michael Lotz
2008-10-15 23:43:27 +00:00
parent 669ab2141b
commit 945a6a41ac
3 changed files with 80 additions and 7 deletions
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src/system/kernel/debug/debug_commands.cpp
+18 -6
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@@ -351,13 +351,25 @@ invoke_debugger_command_pipe(debugger_command_pipe* pipe)
sOutputBuffers[i], kOutputBufferSize);
}
int result = invoke_pipe_segment(pipe, 0, NULL);
int result;
while (true) {
result = invoke_pipe_segment(pipe, 0, NULL);
// perform final rerun for all commands that want it
for (int32 i = 1; result != B_KDEBUG_ERROR && i < segments; i++) {
debugger_command_pipe_segment& segment = pipe->segments[i];
if ((segment.command->flags & B_KDEBUG_PIPE_FINAL_RERUN) != 0)
result = invoke_pipe_segment(pipe, i, NULL);
// perform final rerun for all commands that want it
for (int32 i = 1; result != B_KDEBUG_ERROR && i < segments; i++) {
debugger_command_pipe_segment& segment = pipe->segments[i];
if ((segment.command->flags & B_KDEBUG_PIPE_FINAL_RERUN) != 0) {
result = invoke_pipe_segment(pipe, i, NULL);
if (result == B_KDEBUG_RESTART_PIPE) {
for (int32 j = 0; j < i; j++)
pipe->segments[j].invocations = 0;
break;
}
}
}
if (result != B_KDEBUG_RESTART_PIPE)
break;
}
sCurrentPipe = oldPipe;