43 lines
998 B
C
43 lines
998 B
C
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/*
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* ompt-signal.h -- Header providing low-level synchronization for tests
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*/
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is a copy from runtime/test/ompt/
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//
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//===----------------------------------------------------------------------===//
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#if defined(WIN32) || defined(_WIN32)
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#include <windows.h>
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#define delay() Sleep(1);
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#else
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#include <unistd.h>
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#define delay(t) usleep(t);
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#endif
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// These functions are used to provide a signal-wait mechanism to enforce
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// expected scheduling for the test cases.
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// Conditional variable (s) needs to be shared! Initialize to 0
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#define OMPT_SIGNAL(s) ompt_signal(&s)
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// inline
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void ompt_signal(int *s) {
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#pragma omp atomic
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(*s)++;
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}
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#define OMPT_WAIT(s, v) ompt_wait(&s, v)
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// wait for s >= v
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// inline
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void ompt_wait(int *s, int v) {
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int wait = 0;
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do {
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delay(10);
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#pragma omp atomic read
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wait = (*s);
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} while (wait < v);
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}
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