1 /* This testcase is part of GDB, the GNU debugger.
3 Copyright 2002-2016 Free Software Foundation, Inc.
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
10 This program 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
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
23 void *thread_function(void *arg
); /* Pointer to function executed by each thread */
27 unsigned int args
[NUM
+1];
31 pthread_t threads
[NUM
];
35 for (i
= 1; i
<= NUM
; i
++)
38 res
= pthread_create(&threads
[i
- 1],
44 /* schedlock.exp: last thread start. */
46 thread_function ((void *) 0);
51 void some_function (void) {
52 /* Sleep a bit to give the other threads a chance to run, if not
53 locked. This also ensure that even if the compiler optimizes out
54 or inlines some_function, there's still be some function that
55 needs to be stepped over. */
59 /* When testing "next", this is set to have the loop call
60 some_function, which GDB should step over. When testing "step",
61 that would step into the function, which is not what we want. */
62 volatile int call_function
= 0;
64 /* Call some_function if CALL_FUNCTION is set. This is wrapped in a
65 macro so that it's a single source line in the main loop. */
66 #define MAYBE_CALL_SOME_FUNCTION() \
73 void *thread_function(void *arg
) {
74 int my_number
= (long) arg
;
75 int *myp
= (int *) &args
[my_number
];
77 /* Don't run forever. Run just short of it :) */
80 /* schedlock.exp: main loop. */
81 MAYBE_CALL_SOME_FUNCTION(); (*myp
) ++;
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