openmp.c

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// -*-Mode: C++;-*- // technically C99

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// Note: this must remain a separate file for proper linking with
// __wrap_ in the static case.

#include <messages/messages.h>
#include <monitor-exts/monitor_ext.h>

typedef void *mp_init_fcn(void);
static mp_init_fcn *real_mp_init = NULL;

#ifdef HPCRUN_STATIC_LINK
extern mp_init_fcn  __real__mp_init;
#endif

// The PGI OpenMP compiler does some strange things with their thread
// stacks.  We use _mp_init() as our test for this and then adjust the
// unwind heuristics if found.

void *
MONITOR_EXT_WRAP_NAME(_mp_init)(void)
{
  MONITOR_EXT_GET_NAME_WRAP(real_mp_init, _mp_init);

  ENABLE(OMP_SKIP_MSB);

  return (*real_mp_init)();
}