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/* { dg-do run } */
/* { dg-xfail-run-if "Pinning not implemented on this host" { ! *-*-linux-gnu } } */
/* Test that ompx_pinned_mem_alloc works. */
#ifdef __linux__
#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/mman.h>
int
get_pinned_mem ()
{
int pid = getpid ();
char buf[100];
sprintf (buf, "/proc/%d/status", pid);
FILE *proc = fopen (buf, "r");
if (!proc)
abort ();
while (fgets (buf, 100, proc))
{
int val;
if (sscanf (buf, "VmLck: %d", &val))
{
fclose (proc);
return val;
}
}
abort ();
}
#else
int
get_pinned_mem ()
{
return 0;
}
#endif
#include <omp.h>
/* Allocate more than a page each time, but stay within the ulimit. */
#define SIZE 10*1024
int
main ()
{
// Sanity check
if (get_pinned_mem () != 0)
abort ();
void *p = omp_alloc (SIZE, ompx_pinned_mem_alloc);
if (!p)
abort ();
int amount = get_pinned_mem ();
if (amount == 0)
abort ();
p = omp_realloc (p, SIZE*2, ompx_pinned_mem_alloc, ompx_pinned_mem_alloc);
int amount2 = get_pinned_mem ();
if (amount2 <= amount)
abort ();
p = omp_calloc (1, SIZE, ompx_pinned_mem_alloc);
if (get_pinned_mem () <= amount2)
abort ();
return 0;
}
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