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[kernel] Add a 'log available' signal to block on

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There was previously no good way to block log-display tasks, either the
fb driver or the kernel log task. Now the system object has a signal
(j6_signal_system_has_log) that gets asserted when the log is written
to.
This commit is contained in:
Justin C. Miller
2021-01-18 18:28:15 -08:00
parent 99ef9166ae
commit 847d7ab38d
8 changed files with 111 additions and 28 deletions
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37
src/include/j6/signals.h
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@@ -8,9 +8,42 @@
// Signals 16-47 are defined per-object-type
// Process signals
// Event signals
#define j7_signal_event00 (1ull << 16)
#define j7_signal_event01 (1ull << 17)
#define j7_signal_event02 (1ull << 18)
#define j7_signal_event03 (1ull << 19)
#define j7_signal_event04 (1ull << 20)
#define j7_signal_event05 (1ull << 21)
#define j7_signal_event06 (1ull << 22)
#define j7_signal_event07 (1ull << 23)
#define j7_signal_event08 (1ull << 24)
#define j7_signal_event09 (1ull << 25)
#define j7_signal_event10 (1ull << 26)
#define j7_signal_event11 (1ull << 27)
#define j7_signal_event12 (1ull << 28)
#define j7_signal_event13 (1ull << 29)
#define j7_signal_event14 (1ull << 30)
#define j7_signal_event15 (1ull << 31)
#define j7_signal_event16 (1ull << 32)
#define j7_signal_event17 (1ull << 33)
#define j7_signal_event18 (1ull << 34)
#define j7_signal_event19 (1ull << 35)
#define j7_signal_event20 (1ull << 36)
#define j7_signal_event21 (1ull << 37)
#define j7_signal_event22 (1ull << 38)
#define j7_signal_event23 (1ull << 39)
#define j7_signal_event24 (1ull << 40)
#define j7_signal_event25 (1ull << 41)
#define j7_signal_event26 (1ull << 42)
#define j7_signal_event27 (1ull << 43)
#define j7_signal_event28 (1ull << 44)
#define j7_signal_event29 (1ull << 45)
#define j7_signal_event30 (1ull << 46)
#define j7_signal_event31 (1ull << 47)
// Thread signals
// System signals
#define j6_signal_system_has_log (1ull << 16)
// Channel signals
#define j6_signal_channel_can_send (1ull << 16)