1 | /* Copyright (C) 2003-2022 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <pthread.h> |
19 | #include <shlib-compat.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 | compat_symbol_reference (libpthread, _pthread_cleanup_push, |
29 | _pthread_cleanup_push, GLIBC_2_0); |
30 | extern void _pthread_cleanup_pop (struct _pthread_cleanup_buffer *__buffer, |
31 | int __execute); |
32 | compat_symbol_reference (libpthread, _pthread_cleanup_pop, |
33 | _pthread_cleanup_pop, GLIBC_2_0); |
34 | |
35 | static int fds[2]; |
36 | static pthread_barrier_t b2; |
37 | static int global; |
38 | |
39 | /* Defined in tst-cleanup4aux.c, never compiled with -fexceptions. */ |
40 | extern void fn5 (void); |
41 | extern void fn7 (void); |
42 | extern void fn9 (void); |
43 | |
44 | void |
45 | clh (void *arg) |
46 | { |
47 | int val = (long int) arg; |
48 | |
49 | printf (format: "clh (%d)\n" , val); |
50 | |
51 | global *= val; |
52 | global += val; |
53 | } |
54 | |
55 | |
56 | static __attribute__((noinline)) void |
57 | fn_read (void) |
58 | { |
59 | int r = pthread_barrier_wait (barrier: &b2); |
60 | if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD) |
61 | { |
62 | printf (format: "%s: barrier_wait failed\n" , __FUNCTION__); |
63 | exit (1); |
64 | } |
65 | |
66 | char c; |
67 | read (fds[0], &c, 1); |
68 | } |
69 | |
70 | |
71 | __attribute__((noinline)) void |
72 | fn0 (void) |
73 | { |
74 | pthread_cleanup_push (clh, (void *) 1l); |
75 | |
76 | fn_read (); |
77 | |
78 | pthread_cleanup_pop (1); |
79 | } |
80 | |
81 | |
82 | __attribute__((noinline)) void |
83 | fn1 (void) |
84 | { |
85 | /* This is the old LinuxThreads pthread_cleanup_{push,pop}. */ |
86 | struct _pthread_cleanup_buffer b; |
87 | _pthread_cleanup_push (buffer: &b, routine: clh, arg: (void *) 2l); |
88 | |
89 | fn0 (); |
90 | |
91 | _pthread_cleanup_pop (buffer: &b, execute: 1); |
92 | } |
93 | |
94 | |
95 | static __attribute__((noinline)) void |
96 | fn2 (void) |
97 | { |
98 | pthread_cleanup_push (clh, (void *) 3l); |
99 | |
100 | fn1 (); |
101 | |
102 | pthread_cleanup_pop (1); |
103 | } |
104 | |
105 | |
106 | static void * |
107 | tf (void *a) |
108 | { |
109 | switch ((long) a) |
110 | { |
111 | case 0: |
112 | fn2 (); |
113 | break; |
114 | case 1: |
115 | fn5 (); |
116 | break; |
117 | case 2: |
118 | fn7 (); |
119 | break; |
120 | case 3: |
121 | fn9 (); |
122 | break; |
123 | } |
124 | |
125 | return NULL; |
126 | } |
127 | |
128 | |
129 | int |
130 | do_test (void) |
131 | { |
132 | int result = 0; |
133 | |
134 | if (pipe (pipedes: fds) != 0) |
135 | { |
136 | puts (s: "pipe failed" ); |
137 | exit (1); |
138 | } |
139 | |
140 | if (pthread_barrier_init (barrier: &b2, NULL, count: 2) != 0) |
141 | { |
142 | puts (s: "b2 init failed" ); |
143 | exit (1); |
144 | } |
145 | |
146 | const int expect[] = |
147 | { |
148 | 15, /* 1 2 3 */ |
149 | 276, /* 1 4 5 6 */ |
150 | 120, /* 1 7 8 */ |
151 | 460 /* 1 2 9 10 */ |
152 | }; |
153 | |
154 | long i; |
155 | for (i = 0; i < 4; ++i) |
156 | { |
157 | global = 0; |
158 | |
159 | printf (format: "test %ld\n" , i); |
160 | |
161 | pthread_t th; |
162 | if (pthread_create (newthread: &th, NULL, start_routine: tf, arg: (void *) i) != 0) |
163 | { |
164 | puts (s: "create failed" ); |
165 | exit (1); |
166 | } |
167 | |
168 | int e = pthread_barrier_wait (barrier: &b2); |
169 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) |
170 | { |
171 | printf (format: "%s: barrier_wait failed\n" , __FUNCTION__); |
172 | exit (1); |
173 | } |
174 | |
175 | pthread_cancel (th: th); |
176 | |
177 | void *r; |
178 | if ((e = pthread_join (th: th, thread_return: &r)) != 0) |
179 | { |
180 | printf (format: "join failed: %d\n" , e); |
181 | _exit (1); |
182 | } |
183 | |
184 | if (r != PTHREAD_CANCELED) |
185 | { |
186 | puts (s: "thread not canceled" ); |
187 | exit (1); |
188 | } |
189 | |
190 | if (global != expect[i]) |
191 | { |
192 | printf (format: "global = %d, expected %d\n" , global, expect[i]); |
193 | result = 1; |
194 | } |
195 | } |
196 | |
197 | return result; |
198 | } |
199 | |
200 | #define TEST_FUNCTION do_test () |
201 | #include "../test-skeleton.c" |
202 | |