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dff8da6b | 1 | /* Copyright (C) 2003-2024 Free Software Foundation, Inc. |
ffeb4481 | 2 | This file is part of the GNU C Library. |
ffeb4481 UD |
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 | |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
ffeb4481 UD |
17 | |
18 | #include <pthread.h> | |
19 | #include <semaphore.h> | |
20 | #include <signal.h> | |
c874a32e | 21 | #include <stdint.h> |
ffeb4481 UD |
22 | #include <stdio.h> |
23 | #include <stdlib.h> | |
24 | #include <unistd.h> | |
c874a32e | 25 | #include <pthreaddef.h> |
23c77f60 | 26 | #include <descr.h> |
ffeb4481 | 27 | |
026a84a5 | 28 | #include <support/xunistd.h> |
3045a1fe | 29 | |
ffeb4481 UD |
30 | extern pthread_barrier_t b; |
31 | ||
32 | #define TOTAL_SIGS 1000 | |
33 | extern int nsigs; | |
34 | ||
35 | extern sem_t s; | |
36 | ||
37 | ||
38 | static __thread void (*fp) (void); | |
39 | ||
40 | ||
41 | #define THE_SIG SIGUSR1 | |
42 | void | |
43 | handler (int sig) | |
44 | { | |
45 | if (sig != THE_SIG) | |
46 | { | |
026a84a5 | 47 | xwrite (STDOUT_FILENO, "wrong signal\n", 13); |
ffeb4481 UD |
48 | _exit (1); |
49 | } | |
50 | ||
51 | fp (); | |
52 | ||
53 | if (sem_post (&s) != 0) | |
54 | { | |
026a84a5 | 55 | xwrite (STDOUT_FILENO, "sem_post failed\n", 16); |
ffeb4481 UD |
56 | _exit (1); |
57 | } | |
58 | } | |
59 | ||
60 | ||
61 | void * | |
62 | tf (void *arg) | |
63 | { | |
c874a32e UD |
64 | if ((uintptr_t) pthread_self () & (TCB_ALIGNMENT - 1)) |
65 | { | |
66 | puts ("thread's struct pthread not aligned enough"); | |
67 | exit (1); | |
68 | } | |
69 | ||
ffeb4481 UD |
70 | if (fp != NULL) |
71 | { | |
72 | puts ("fp not initially NULL"); | |
73 | exit (1); | |
74 | } | |
75 | ||
76 | fp = arg; | |
77 | ||
78 | pthread_barrier_wait (&b); | |
79 | ||
80 | pthread_barrier_wait (&b); | |
81 | ||
82 | if (nsigs != TOTAL_SIGS) | |
83 | { | |
84 | puts ("barrier_wait prematurely returns"); | |
85 | exit (1); | |
86 | } | |
87 | ||
88 | return NULL; | |
89 | } |