101 lines
2.0 KiB
C
101 lines
2.0 KiB
C
|
/* Copyright (C) 2003-2022 Free Software Foundation, Inc.
|
||
|
|
This file is part of the GNU C Library.
|
||
|
|
|
||
|
|
The GNU C Library is free software; you can redistribute it and/or
|
||
|
|
modify it under the terms of the GNU Lesser General Public
|
||
|
|
License as published by the Free Software Foundation; either
|
||
|
|
version 2.1 of the License, or (at your option) any later version.
|
||
|
|
|
||
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
Lesser General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU Lesser General Public
|
||
|
|
License along with the GNU C Library; if not, see
|
||
|
|
<https://www.gnu.org/licenses/>. */
|
||
|
|
|
||
|
|
#include <pthread.h>
|
||
|
|
#include <semaphore.h>
|
||
|
|
#include <signal.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <pthreaddef.h>
|
||
|
|
#include <descr.h>
|
||
|
|
|
||
|
|
#if defined __ptr128__
|
||
|
|
# include "../pm-helper.h"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
extern pthread_barrier_t b;
|
||
|
|
|
||
|
|
#define TOTAL_SIGS 1000
|
||
|
|
extern int nsigs;
|
||
|
|
|
||
|
|
extern sem_t s;
|
||
|
|
|
||
|
|
|
||
|
|
static __thread void (*fp) (void);
|
||
|
|
|
||
|
|
|
||
|
|
#define THE_SIG SIGUSR1
|
||
|
|
void
|
||
|
|
handler (int sig)
|
||
|
|
{
|
||
|
|
if (sig != THE_SIG)
|
||
|
|
{
|
||
|
|
write (STDOUT_FILENO, "wrong signal\n", 13);
|
||
|
|
_exit (1);
|
||
|
|
}
|
||
|
|
|
||
|
|
#if defined __ptr128__
|
||
|
|
print_pm_ptr ("fp", fp);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
fp ();
|
||
|
|
|
||
|
|
if (sem_post (&s) != 0)
|
||
|
|
{
|
||
|
|
write (STDOUT_FILENO, "sem_post failed\n", 16);
|
||
|
|
_exit (1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void *
|
||
|
|
tf (void *arg)
|
||
|
|
{
|
||
|
|
if ((uintptr_t) pthread_self () & (TCB_ALIGNMENT - 1))
|
||
|
|
{
|
||
|
|
puts ("thread's struct pthread not aligned enough");
|
||
|
|
exit (1);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (fp != NULL)
|
||
|
|
{
|
||
|
|
puts ("fp not initially NULL");
|
||
|
|
exit (1);
|
||
|
|
}
|
||
|
|
|
||
|
|
fp = arg;
|
||
|
|
|
||
|
|
#if defined __ptr128__
|
||
|
|
print_pm_ptr ("arg", arg);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
pthread_barrier_wait (&b);
|
||
|
|
|
||
|
|
pthread_barrier_wait (&b);
|
||
|
|
|
||
|
|
if (nsigs != TOTAL_SIGS)
|
||
|
|
{
|
||
|
|
puts ("barrier_wait prematurely returns");
|
||
|
|
exit (1);
|
||
|
|
}
|
||
|
|
|
||
|
|
return NULL;
|
||
|
|
}
|