diff options
Diffstat (limited to 'REORG.TODO/nptl/tst-cleanup4.c')
| -rw-r--r-- | REORG.TODO/nptl/tst-cleanup4.c | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/REORG.TODO/nptl/tst-cleanup4.c b/REORG.TODO/nptl/tst-cleanup4.c new file mode 100644 index 0000000000..5ffe81df5f --- /dev/null +++ b/REORG.TODO/nptl/tst-cleanup4.c @@ -0,0 +1,197 @@ +/* Copyright (C) 2003-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. + + 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 + <http://www.gnu.org/licenses/>. */ + +#include <pthread.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +/* LinuxThreads pthread_cleanup_{push,pop} helpers. */ +extern void _pthread_cleanup_push (struct _pthread_cleanup_buffer *__buffer, + void (*__routine) (void *), + void *__arg); +extern void _pthread_cleanup_pop (struct _pthread_cleanup_buffer *__buffer, + int __execute); + +static int fds[2]; +static pthread_barrier_t b2; +static int global; + +/* Defined in tst-cleanup4aux.c, never compiled with -fexceptions. */ +extern void fn5 (void); +extern void fn7 (void); +extern void fn9 (void); + +void +clh (void *arg) +{ + int val = (long int) arg; + + printf ("clh (%d)\n", val); + + global *= val; + global += val; +} + + +static __attribute__((noinline)) void +fn_read (void) +{ + int r = pthread_barrier_wait (&b2); + if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD) + { + printf ("%s: barrier_wait failed\n", __FUNCTION__); + exit (1); + } + + char c; + read (fds[0], &c, 1); +} + + +__attribute__((noinline)) void +fn0 (void) +{ + pthread_cleanup_push (clh, (void *) 1l); + + fn_read (); + + pthread_cleanup_pop (1); +} + + +__attribute__((noinline)) void +fn1 (void) +{ + /* This is the old LinuxThreads pthread_cleanup_{push,pop}. */ + struct _pthread_cleanup_buffer b; + _pthread_cleanup_push (&b, clh, (void *) 2l); + + fn0 (); + + _pthread_cleanup_pop (&b, 1); +} + + +static __attribute__((noinline)) void +fn2 (void) +{ + pthread_cleanup_push (clh, (void *) 3l); + + fn1 (); + + pthread_cleanup_pop (1); +} + + +static void * +tf (void *a) +{ + switch ((long) a) + { + case 0: + fn2 (); + break; + case 1: + fn5 (); + break; + case 2: + fn7 (); + break; + case 3: + fn9 (); + break; + } + + return NULL; +} + + +int +do_test (void) +{ + int result = 0; + + if (pipe (fds) != 0) + { + puts ("pipe failed"); + exit (1); + } + + if (pthread_barrier_init (&b2, NULL, 2) != 0) + { + puts ("b2 init failed"); + exit (1); + } + + const int expect[] = + { + 15, /* 1 2 3 */ + 276, /* 1 4 5 6 */ + 120, /* 1 7 8 */ + 460 /* 1 2 9 10 */ + }; + + long i; + for (i = 0; i < 4; ++i) + { + global = 0; + + printf ("test %ld\n", i); + + pthread_t th; + if (pthread_create (&th, NULL, tf, (void *) i) != 0) + { + puts ("create failed"); + exit (1); + } + + int e = pthread_barrier_wait (&b2); + if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) + { + printf ("%s: barrier_wait failed\n", __FUNCTION__); + exit (1); + } + + pthread_cancel (th); + + void *r; + if ((e = pthread_join (th, &r)) != 0) + { + printf ("join failed: %d\n", e); + _exit (1); + } + + if (r != PTHREAD_CANCELED) + { + puts ("thread not canceled"); + exit (1); + } + + if (global != expect[i]) + { + printf ("global = %d, expected %d\n", global, expect[i]); + result = 1; + } + } + + return result; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |