gdb/testsuite/gdb.base/reset-catchpoint-cond-lib.c

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2024 Free Software Foundation, Inc.
   4
   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.
   9
  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.
  14
  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/>.  */
  17
  18 #include <stdio.h>
  19 #include <signal.h>
  20 #include <unistd.h>
  21 #include <sys/types.h>
  22 #include <sys/wait.h>
  23 #include <assert.h>
  24 #include <stdlib.h>
  25
  26 /* This type is used by GDB.  */
  27 struct lib_type
  28 {
  29   int a;
  30   int b;
  31   int c;
  32 };
  33
  34 /* Ensure the type above is used.  */
  35 volatile struct lib_type global_lib_object = { 1, 2, 3 };
  36
  37 /* This pointer is checked by GDB.  */
  38 volatile void *opaque_ptr = 0;
  39
  40 void
  41 lib_func_test_syscall (void)
  42 {
  43   puts ("Inside library\n");
  44   fflush (stdout);
  45 }
  46
  47 static void
  48 sig_handler (int signo)
  49 {
  50   /* Nothing.  */
  51 }
  52
  53 void
  54 lib_func_test_signal (void)
  55 {
  56   signal (SIGUSR1, sig_handler);
  57
  58   kill (getpid (), SIGUSR1);
  59 }
  60
  61 void
  62 lib_func_test_fork (void)
  63 {
  64   pid_t pid = fork ();
  65   assert (pid != -1);
  66
  67   if (pid == 0)
  68     {
  69       /* Child: just exit.  */
  70       exit (0);
  71     }
  72
  73   /* Parent.  */
  74   waitpid (pid, NULL, 0);
  75 }