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[kernel] Change thread_sleep arg from time to duration

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It seems more common to want to sleep for a duration than to sleep to a
specific time. Change the implementation to not make the process look up
the current time first. (Plus, there's no current syscall to do so)
This commit is contained in:
Justin C. Miller
2022-02-28 18:43:20 -08:00
parent 982442eb00
commit 9120318594
2 changed files with 6 additions and 3 deletions
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2
definitions/objects/thread.def
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@@ -18,6 +18,6 @@ object thread : object {
} }
method sleep [static] { method sleep [static] {
param until uint64 param duration uint64
} }
} }

7
src/kernel/syscalls/thread.cpp
View File

@@ -1,6 +1,7 @@
#include <j6/errors.h> #include <j6/errors.h>
#include <j6/types.h> #include <j6/types.h>
#include "clock.h"
#include "logger.h" #include "logger.h"
#include "objects/process.h" #include "objects/process.h"
#include "objects/thread.h" #include "objects/thread.h"
@@ -47,11 +48,13 @@ thread_kill(thread *self)
} }
j6_status_t j6_status_t
thread_sleep(uint64_t til) thread_sleep(uint64_t duration)
{ {
thread &th = thread::current(); thread &th = thread::current();
log::debug(logs::task, "Thread %llx sleeping until %llu", th.koid(), til);
uint64_t til = clock::get().value() + duration;
log::debug(logs::task, "Thread %llx sleeping until %llu", th.koid(), til);
th.set_wake_timeout(til); th.set_wake_timeout(til);
th.block(); th.block();
return j6_status_ok; return j6_status_ok;