20 lines
452 B
C++
20 lines
452 B
C++
#include "Pledge.h"
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#include "sys/Syscall.h"
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#include "thread/Scheduler.h"
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#include <sys/types.h>
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Result<u64> sys_usleep(Registers*, SyscallArgs args)
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{
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useconds_t us = (useconds_t)args[0];
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auto* current = Scheduler::current();
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TRY(check_pledge(current, Promise::p_stdio));
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// FIXME: Allow usleep() to use a more precise resolution.
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if (us < 1000) return 0;
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kernel_sleep(us / 1000);
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return current->sleep_ticks_left;
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}
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