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Add a Sleep() function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64101 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -7,8 +7,8 @@
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//
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//===----------------------------------------------------------------------===//
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//
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// This file provides an operating system independent interface to alarm(2)
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// type functionality. The Alarm class allows a one-shot alarm to be set up
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// This file provides an operating system independent interface to alarm(2)
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// type functionality. The Alarm class allows a one-shot alarm to be set up
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// at some number of seconds in the future. When the alarm triggers, a method
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// is called to process the event
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//
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@ -20,7 +20,7 @@
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namespace llvm {
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namespace sys {
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/// This function registers an alarm to trigger some number of \p seconds in
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/// This function registers an alarm to trigger some number of \p seconds in
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/// the future. When that time arrives, the AlarmStatus function will begin
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/// to return 1 instead of 0. The user must poll the status of the alarm by
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/// making occasional calls to AlarmStatus. If the user sends an interrupt
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@ -31,14 +31,19 @@ namespace sys {
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unsigned seconds ///< Number of seconds in future when alarm arrives
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);
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/// This function terminates the alarm previously set up
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/// This function terminates the alarm previously set up
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/// @returns nothing
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void TerminateAlarm();
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/// This function acquires the status of the alarm.
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/// This function acquires the status of the alarm.
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/// @returns -1=cancelled, 0=untriggered, 1=triggered
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int AlarmStatus();
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/// Sleep for n seconds.
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/// @returns nothing.
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void Sleep(unsigned n);
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} // End sys namespace
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} // End llvm namespace
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@ -66,3 +66,7 @@ int sys::AlarmStatus() {
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return 1;
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return 0;
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}
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void Sleep(unsigned n) {
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::sleep(n);
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}
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@ -34,3 +34,7 @@ int sys::AlarmStatus() {
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// FIXME: Implement for Win32
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return 0;
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}
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void Sleep(unsigned n) {
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Sleep(n*1000);
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}
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