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d614a753 | 1 | /* Copyright (C) 2003-2020 Free Software Foundation, Inc. |
ffeb4481 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@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 | |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
ffeb4481 UD |
18 | |
19 | #include <pthread.h> | |
20 | #include <semaphore.h> | |
21 | #include <signal.h> | |
c874a32e | 22 | #include <stdint.h> |
ffeb4481 UD |
23 | #include <stdio.h> |
24 | #include <stdlib.h> | |
25 | #include <unistd.h> | |
c874a32e | 26 | #include <pthreaddef.h> |
ffeb4481 | 27 | |
3045a1fe | 28 | |
ffeb4481 UD |
29 | extern pthread_barrier_t b; |
30 | ||
31 | #define TOTAL_SIGS 1000 | |
32 | extern int nsigs; | |
33 | ||
34 | extern sem_t s; | |
35 | ||
36 | ||
37 | static __thread void (*fp) (void); | |
38 | ||
39 | ||
40 | #define THE_SIG SIGUSR1 | |
41 | void | |
42 | handler (int sig) | |
43 | { | |
44 | if (sig != THE_SIG) | |
45 | { | |
46 | write (STDOUT_FILENO, "wrong signal\n", 13); | |
47 | _exit (1); | |
48 | } | |
49 | ||
50 | fp (); | |
51 | ||
52 | if (sem_post (&s) != 0) | |
53 | { | |
54 | write (STDOUT_FILENO, "sem_post failed\n", 16); | |
55 | _exit (1); | |
56 | } | |
57 | } | |
58 | ||
59 | ||
60 | void * | |
61 | tf (void *arg) | |
62 | { | |
c874a32e UD |
63 | if ((uintptr_t) pthread_self () & (TCB_ALIGNMENT - 1)) |
64 | { | |
65 | puts ("thread's struct pthread not aligned enough"); | |
66 | exit (1); | |
67 | } | |
68 | ||
ffeb4481 UD |
69 | if (fp != NULL) |
70 | { | |
71 | puts ("fp not initially NULL"); | |
72 | exit (1); | |
73 | } | |
74 | ||
75 | fp = arg; | |
76 | ||
77 | pthread_barrier_wait (&b); | |
78 | ||
79 | pthread_barrier_wait (&b); | |
80 | ||
81 | if (nsigs != TOTAL_SIGS) | |
82 | { | |
83 | puts ("barrier_wait prematurely returns"); | |
84 | exit (1); | |
85 | } | |
86 | ||
87 | return NULL; | |
88 | } |