1 /* $OpenBSD: test1.C,v 1.1 2007/09/03 14:42:44 millert Exp $ */ 2 3 /* 4 * Copyright (c) 2007 Kurt Miller <kurt@openbsd.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <dlfcn.h> 20 #include <err.h> 21 #include <stdio.h> 22 23 int check1, check2; 24 25 int 26 main() 27 { 28 void *libgd1, *libgd2; 29 void (*gd_test)(); 30 int i; 31 32 for (i=0; i < 50; i++) { 33 check1 = check2 = 1; 34 35 libgd1 = dlopen(LIBGD1, RTLD_LAZY); 36 if (libgd1 == NULL) 37 errx(1, "dlopen(%s, RTLD_LAZY) FAILED\n", LIBGD1); 38 39 gd_test = (void (*)())dlsym(libgd1, "gd_test1"); 40 if (gd_test == NULL) 41 errx(1, "dlsym(libgd1, \"gd_test1\") FAILED\n"); 42 43 (*gd_test)(); 44 45 libgd2 = dlopen(LIBGD2, RTLD_LAZY); 46 if (libgd2 == NULL) 47 errx(1, "dlopen(%s, RTLD_LAZY) FAILED\n", LIBGD2); 48 49 gd_test = (void (*)())dlsym(libgd2, "gd_test2"); 50 if (gd_test == NULL) 51 errx(1, "dlsym(libgd2, \"gd_test2\") FAILED\n"); 52 53 (*gd_test)(); 54 55 dlclose(libgd1); 56 dlclose(libgd2); 57 58 if (check1 || check2) 59 errx(1, "global destructors not called\n"); 60 } 61 62 return (0); 63 } 64