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hw: sanitize kernel's signal datastructures

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* Move all Kernel::Signal_* structures to kernel/signal.*
* Remove return value of kill_signal_context, which wasn't evaluated
* Remove Kernel::Signal_context::can_kill
* Remove Kernel::Signal_context::can_submit
* Remove Kernel::Signal_receiver::can_add_handler
* Turn nullptr into cxx nullptr instead of just zero
* Turn boolean values into true/false instead of one/zero
* Always add to signal FIFO also if submit counter
  cannot get increased enough

Fix genodelabs/genode#5416
This commit is contained in:
Stefan Kalkowski
2025-01-10 21:17:19 +01:00
committed by Christian Helmuth
parent 2728853005
commit 0d648eae62
10 changed files with 41 additions and 115 deletions
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7
repos/base-hw/include/kernel/interface.h
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@ -382,13 +382,10 @@ namespace Kernel {
* Halt processing of a signal context synchronously
*
* \param context capability ID of the targeted signal context
*
* \retval 0 suceeded
* \retval -1 failed
*/
inline int kill_signal_context(capid_t const context)
inline void kill_signal_context(capid_t const context)
{
return (int)call(call_id_kill_signal_context(), context);
call(call_id_kill_signal_context(), context);
}
/**