1 /* Copyright (C) 2003 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19 #include <pthread.h>
20 #include <stdio.h>
21 #include <stdlib.h>
22 #include <unistd.h>
23
24 /* LinuxThreads pthread_cleanup_{push,pop} helpers. */
25 extern void _pthread_cleanup_push (struct _pthread_cleanup_buffer *__buffer,
26 void (*__routine) (void *),
27 void *__arg);
28 extern void _pthread_cleanup_pop (struct _pthread_cleanup_buffer *__buffer,
29 int __execute);
30
31 static int fds[2];
32 static pthread_barrier_t b2;
33 static int global;
34
35 /* Defined in tst-cleanup4aux.c, never compiled with -fexceptions. */
36 extern void fn5 (void);
37 extern void fn7 (void);
38 extern void fn9 (void);
39
40 void
clh(void * arg)41 clh (void *arg)
42 {
43 int val = (long int) arg;
44
45 printf ("clh (%d)\n", val);
46
47 global *= val;
48 global += val;
49 }
50
51
52 static __attribute__((noinline)) void
fn_read(void)53 fn_read (void)
54 {
55 int r = pthread_barrier_wait (&b2);
56 if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD)
57 {
58 printf ("%s: barrier_wait failed\n", __FUNCTION__);
59 exit (1);
60 }
61
62 char c;
63 read (fds[0], &c, 1);
64 }
65
66
67 __attribute__((noinline)) void
fn0(void)68 fn0 (void)
69 {
70 pthread_cleanup_push (clh, (void *) 1l);
71
72 fn_read ();
73
74 pthread_cleanup_pop (1);
75 }
76
77
78 __attribute__((noinline)) void
fn1(void)79 fn1 (void)
80 {
81 /* This is the old LinuxThreads pthread_cleanup_{push,pop}. */
82 struct _pthread_cleanup_buffer b;
83 _pthread_cleanup_push (&b, clh, (void *) 2l);
84
85 fn0 ();
86
87 _pthread_cleanup_pop (&b, 1);
88 }
89
90
91 static __attribute__((noinline)) void
fn2(void)92 fn2 (void)
93 {
94 pthread_cleanup_push (clh, (void *) 3l);
95
96 fn1 ();
97
98 pthread_cleanup_pop (1);
99 }
100
101
102 static void *
tf(void * a)103 tf (void *a)
104 {
105 switch ((long) a)
106 {
107 case 0:
108 fn2 ();
109 break;
110 case 1:
111 fn5 ();
112 break;
113 case 2:
114 fn7 ();
115 break;
116 case 3:
117 fn9 ();
118 break;
119 }
120
121 return NULL;
122 }
123
124
125 int
do_test(void)126 do_test (void)
127 {
128 int result = 0;
129
130 if (pipe (fds) != 0)
131 {
132 puts ("pipe failed");
133 exit (1);
134 }
135
136 if (pthread_barrier_init (&b2, NULL, 2) != 0)
137 {
138 puts ("b2 init failed");
139 exit (1);
140 }
141
142 const int expect[] =
143 {
144 15, /* 1 2 3 */
145 276, /* 1 4 5 6 */
146 120, /* 1 7 8 */
147 460 /* 1 2 9 10 */
148 };
149
150 long i;
151 for (i = 0; i < 4; ++i)
152 {
153 global = 0;
154
155 printf ("test %ld\n", i);
156
157 pthread_t th;
158 if (pthread_create (&th, NULL, tf, (void *) i) != 0)
159 {
160 puts ("create failed");
161 exit (1);
162 }
163
164 int e = pthread_barrier_wait (&b2);
165 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
166 {
167 printf ("%s: barrier_wait failed\n", __FUNCTION__);
168 exit (1);
169 }
170
171 pthread_cancel (th);
172
173 void *r;
174 if ((e = pthread_join (th, &r)) != 0)
175 {
176 printf ("join failed: %d\n", e);
177 _exit (1);
178 }
179
180 if (r != PTHREAD_CANCELED)
181 {
182 puts ("thread not canceled");
183 exit (1);
184 }
185
186 if (global != expect[i])
187 {
188 printf ("global = %d, expected %d\n", global, expect[i]);
189 result = 1;
190 }
191 }
192
193 return result;
194 }
195
196 #define TEST_FUNCTION do_test ()
197 #include "../test-skeleton.c"
198