xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame^] | 1 | /* Copyright (C) 2003-2016 Free Software Foundation, Inc. |
| 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 |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <errno.h> |
| 20 | #include <pthread.h> |
| 21 | #include <signal.h> |
| 22 | #include <stdio.h> |
| 23 | #include <stdlib.h> |
| 24 | #include <string.h> |
| 25 | #include <unistd.h> |
| 26 | #include <sys/mman.h> |
| 27 | #include <sys/wait.h> |
| 28 | |
| 29 | |
| 30 | static sigset_t ss; |
| 31 | |
| 32 | |
| 33 | static void * |
| 34 | tf (void *arg) |
| 35 | { |
| 36 | sigset_t ss2; |
| 37 | if (pthread_sigmask (SIG_SETMASK, NULL, &ss2) != 0) |
| 38 | { |
| 39 | puts ("child: sigmask failed"); |
| 40 | exit (1); |
| 41 | } |
| 42 | |
| 43 | int i; |
| 44 | for (i = 1; i < 32; ++i) |
| 45 | if (sigismember (&ss, i) && ! sigismember (&ss2, i)) |
| 46 | { |
| 47 | printf ("signal %d set in parent mask, but not in child\n", i); |
| 48 | exit (1); |
| 49 | } |
| 50 | else if (! sigismember (&ss, i) && sigismember (&ss2, i)) |
| 51 | { |
| 52 | printf ("signal %d set in child mask, but not in parent\n", i); |
| 53 | exit (1); |
| 54 | } |
| 55 | |
| 56 | return NULL; |
| 57 | } |
| 58 | |
| 59 | |
| 60 | static int |
| 61 | do_test (void) |
| 62 | { |
| 63 | sigemptyset (&ss); |
| 64 | sigaddset (&ss, SIGUSR1); |
| 65 | if (pthread_sigmask (SIG_SETMASK, &ss, NULL) != 0) |
| 66 | { |
| 67 | puts ("1st sigmask failed"); |
| 68 | exit (1); |
| 69 | } |
| 70 | |
| 71 | pthread_t th; |
| 72 | if (pthread_create (&th, NULL, tf, NULL) != 0) |
| 73 | { |
| 74 | puts ("1st create failed"); |
| 75 | exit (1); |
| 76 | } |
| 77 | |
| 78 | void *r; |
| 79 | if (pthread_join (th, &r) != 0) |
| 80 | { |
| 81 | puts ("1st join failed"); |
| 82 | exit (1); |
| 83 | } |
| 84 | |
| 85 | sigemptyset (&ss); |
| 86 | sigaddset (&ss, SIGUSR2); |
| 87 | sigaddset (&ss, SIGFPE); |
| 88 | if (pthread_sigmask (SIG_SETMASK, &ss, NULL) != 0) |
| 89 | { |
| 90 | puts ("2nd sigmask failed"); |
| 91 | exit (1); |
| 92 | } |
| 93 | |
| 94 | if (pthread_create (&th, NULL, tf, NULL) != 0) |
| 95 | { |
| 96 | puts ("2nd create failed"); |
| 97 | exit (1); |
| 98 | } |
| 99 | |
| 100 | if (pthread_join (th, &r) != 0) |
| 101 | { |
| 102 | puts ("2nd join failed"); |
| 103 | exit (1); |
| 104 | } |
| 105 | |
| 106 | return 0; |
| 107 | } |
| 108 | |
| 109 | #define TEST_FUNCTION do_test () |
| 110 | #include "../test-skeleton.c" |