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https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk
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| Rev 24 |
Rev 157 |
/* Check that TRT happens when we reach the #threads implementation limit.
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/* Check that TRT happens when we reach the #threads implementation limit.
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#notarget: cris*-*-elf
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#notarget: cris*-*-elf
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*/
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*/
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#include <stddef.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdio.h>
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#include <limits.h>
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#include <limits.h>
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#include <unistd.h>
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#include <unistd.h>
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#include <sched.h>
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#include <sched.h>
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#include <errno.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/wait.h>
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int
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int
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process (void *arg)
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process (void *arg)
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{
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{
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int i;
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int i;
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for (i = 0; i < 500; i++)
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for (i = 0; i < 500; i++)
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if (sched_yield ())
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if (sched_yield ())
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abort ();
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abort ();
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return 0;
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return 0;
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}
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}
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int
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int
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main (void)
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main (void)
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{
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{
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int pid;
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int pid;
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int i;
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int i;
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int stacksize = 16384;
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int stacksize = 16384;
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for (i = 0; i < 1000; i++)
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for (i = 0; i < 1000; i++)
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{
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{
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char *stack = malloc (stacksize);
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char *stack = malloc (stacksize);
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if (stack == NULL)
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if (stack == NULL)
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abort ();
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abort ();
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pid = clone (process, (char *) stack + stacksize - 64,
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pid = clone (process, (char *) stack + stacksize - 64,
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(CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND)
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(CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND)
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| SIGCHLD, "ab");
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| SIGCHLD, "ab");
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if (pid <= 0)
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if (pid <= 0)
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{
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{
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/* FIXME: Read sysconf instead of magic number. */
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/* FIXME: Read sysconf instead of magic number. */
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if (i < 60)
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if (i < 60)
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{
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{
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fprintf (stderr, "Bad clone %d\n", pid);
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fprintf (stderr, "Bad clone %d\n", pid);
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abort ();
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abort ();
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}
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}
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if (errno == EAGAIN)
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if (errno == EAGAIN)
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{
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{
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printf ("pass\n");
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printf ("pass\n");
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exit (0);
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exit (0);
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}
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}
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}
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}
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}
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}
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abort ();
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abort ();
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}
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}
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