File: ompt-signal.h

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llvm-toolchain-18 1%3A18.1.8-18
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// These functions are used to provide a signal-wait mechanism to enforce
// expected scheduling for the test cases. Conditional variable (s) needs to be
// shared! Initialize to 0
#include <unistd.h>

#define OMPT_SIGNAL(s) ompt_signal(&s)
// inline
void ompt_signal(int *s) {
#pragma omp atomic
  (*s)++;
}

#define OMPT_WAIT(s, v) ompt_wait(&s, v)
// wait for s >= v
// inline
void ompt_wait(int *s, int v) {
  int wait = 0;
  do {
    usleep(10);
#pragma omp atomic read
    wait = (*s);
  } while (wait < v);
}