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The sequencer client manager reports timestamps in units of unsigned 32-bit seconds/nanoseconds, but that does not suffer from the y2038 overflow because it stores only the delta since the 'last_update' time was recorded. However, the use of the do_gettimeofday() function is problematic and we have to replace it to avoid the overflow on on 32-bit architectures. This uses 'struct timespec64' to record 'last_update', and changes the code to use monotonic timestamps that do not suffer from leap seconds and settimeofday updates. As a side-effect, the code can now use the timespec64_sub() helper and become more readable and also avoid a multiplication to convert from microseconds to nanoseconds. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Takashi Iwai <tiwai@suse.de> |
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| .. | ||
| oss | ||
| Kconfig | ||
| Makefile | ||
| seq_clientmgr.c | ||
| seq_clientmgr.h | ||
| seq_compat.c | ||
| seq_device.c | ||
| seq_dummy.c | ||
| seq_fifo.c | ||
| seq_fifo.h | ||
| seq_info.c | ||
| seq_info.h | ||
| seq_lock.c | ||
| seq_lock.h | ||
| seq_memory.c | ||
| seq_memory.h | ||
| seq_midi_emul.c | ||
| seq_midi_event.c | ||
| seq_midi.c | ||
| seq_ports.c | ||
| seq_ports.h | ||
| seq_prioq.c | ||
| seq_prioq.h | ||
| seq_queue.c | ||
| seq_queue.h | ||
| seq_system.c | ||
| seq_system.h | ||
| seq_timer.c | ||
| seq_timer.h | ||
| seq_virmidi.c | ||
| seq.c | ||