1 | /* Copyright (C) 2003-2024 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 | #include <support/xunistd.h> |
25 | |
26 | /* LinuxThreads pthread_cleanup_{push,pop} helpers. */ |
27 | extern void _pthread_cleanup_push (struct _pthread_cleanup_buffer *__buffer, |
28 | void (*__routine) (void *), |
29 | void *__arg); |
30 | compat_symbol_reference (libpthread, _pthread_cleanup_push, |
31 | _pthread_cleanup_push, GLIBC_2_0); |
32 | extern void _pthread_cleanup_pop (struct _pthread_cleanup_buffer *__buffer, |
33 | int __execute); |
34 | compat_symbol_reference (libpthread, _pthread_cleanup_pop, |
35 | _pthread_cleanup_pop, GLIBC_2_0); |
36 | |
37 | static int fds[2]; |
38 | static pthread_barrier_t b2; |
39 | static int global; |
40 | |
41 | /* Defined in tst-cleanup4aux.c, never compiled with -fexceptions. */ |
42 | extern void fn5 (void); |
43 | extern void fn7 (void); |
44 | extern void fn9 (void); |
45 | |
46 | void |
47 | clh (void *arg) |
48 | { |
49 | int val = (long int) arg; |
50 | |
51 | printf (format: "clh (%d)\n" , val); |
52 | |
53 | global *= val; |
54 | global += val; |
55 | } |
56 | |
57 | |
58 | static __attribute__((noinline)) void |
59 | fn_read (void) |
60 | { |
61 | int r = pthread_barrier_wait (barrier: &b2); |
62 | if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD) |
63 | { |
64 | printf (format: "%s: barrier_wait failed\n" , __FUNCTION__); |
65 | exit (1); |
66 | } |
67 | |
68 | char c; |
69 | xread (fds[0], &c, 1); |
70 | } |
71 | |
72 | |
73 | __attribute__((noinline)) void |
74 | fn0 (void) |
75 | { |
76 | pthread_cleanup_push (clh, (void *) 1l); |
77 | |
78 | fn_read (); |
79 | |
80 | pthread_cleanup_pop (1); |
81 | } |
82 | |
83 | |
84 | __attribute__((noinline)) void |
85 | fn1 (void) |
86 | { |
87 | /* This is the old LinuxThreads pthread_cleanup_{push,pop}. */ |
88 | struct _pthread_cleanup_buffer b; |
89 | _pthread_cleanup_push (buffer: &b, routine: clh, arg: (void *) 2l); |
90 | |
91 | fn0 (); |
92 | |
93 | _pthread_cleanup_pop (buffer: &b, execute: 1); |
94 | } |
95 | |
96 | |
97 | static __attribute__((noinline)) void |
98 | fn2 (void) |
99 | { |
100 | pthread_cleanup_push (clh, (void *) 3l); |
101 | |
102 | fn1 (); |
103 | |
104 | pthread_cleanup_pop (1); |
105 | } |
106 | |
107 | |
108 | static void * |
109 | tf (void *a) |
110 | { |
111 | switch ((long) a) |
112 | { |
113 | case 0: |
114 | fn2 (); |
115 | break; |
116 | case 1: |
117 | fn5 (); |
118 | break; |
119 | case 2: |
120 | fn7 (); |
121 | break; |
122 | case 3: |
123 | fn9 (); |
124 | break; |
125 | } |
126 | |
127 | return NULL; |
128 | } |
129 | |
130 | |
131 | int |
132 | do_test (void) |
133 | { |
134 | int result = 0; |
135 | |
136 | if (pipe (pipedes: fds) != 0) |
137 | { |
138 | puts (s: "pipe failed" ); |
139 | exit (1); |
140 | } |
141 | |
142 | if (pthread_barrier_init (barrier: &b2, NULL, count: 2) != 0) |
143 | { |
144 | puts (s: "b2 init failed" ); |
145 | exit (1); |
146 | } |
147 | |
148 | const int expect[] = |
149 | { |
150 | 15, /* 1 2 3 */ |
151 | 276, /* 1 4 5 6 */ |
152 | 120, /* 1 7 8 */ |
153 | 460 /* 1 2 9 10 */ |
154 | }; |
155 | |
156 | long i; |
157 | for (i = 0; i < 4; ++i) |
158 | { |
159 | global = 0; |
160 | |
161 | printf (format: "test %ld\n" , i); |
162 | |
163 | pthread_t th; |
164 | if (pthread_create (newthread: &th, NULL, start_routine: tf, arg: (void *) i) != 0) |
165 | { |
166 | puts (s: "create failed" ); |
167 | exit (1); |
168 | } |
169 | |
170 | int e = pthread_barrier_wait (barrier: &b2); |
171 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) |
172 | { |
173 | printf (format: "%s: barrier_wait failed\n" , __FUNCTION__); |
174 | exit (1); |
175 | } |
176 | |
177 | pthread_cancel (th: th); |
178 | |
179 | void *r; |
180 | if ((e = pthread_join (th: th, thread_return: &r)) != 0) |
181 | { |
182 | printf (format: "join failed: %d\n" , e); |
183 | _exit (1); |
184 | } |
185 | |
186 | if (r != PTHREAD_CANCELED) |
187 | { |
188 | puts (s: "thread not canceled" ); |
189 | exit (1); |
190 | } |
191 | |
192 | if (global != expect[i]) |
193 | { |
194 | printf (format: "global = %d, expected %d\n" , global, expect[i]); |
195 | result = 1; |
196 | } |
197 | } |
198 | |
199 | return result; |
200 | } |
201 | |
202 | #define TEST_FUNCTION do_test () |
203 | #include "../test-skeleton.c" |
204 | |