1/* 2 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28#include "tests.h" 29#include <assert.h> 30#include <poll.h> 31#include <signal.h> 32#include <unistd.h> 33 34static void 35test1(void) 36{ 37 const struct timespec timeout = { .tv_sec = 42, .tv_nsec = 999999999 }; 38 struct pollfd fds[] = { 39 { .fd = 0, .events = POLLIN | POLLPRI | POLLRDNORM | POLLRDBAND }, 40 { .fd = 1, .events = POLLOUT | POLLWRNORM | POLLWRBAND }, 41 { .fd = 3, .events = POLLIN | POLLPRI }, 42 { .fd = 4, .events = POLLOUT } 43 }; 44 45 sigset_t mask; 46 sigemptyset(&mask); 47 sigaddset(&mask, SIGUSR2); 48 sigaddset(&mask, SIGCHLD); 49 50 int rc = ppoll(fds, sizeof(fds) / sizeof(*fds), &timeout, &mask); 51 if (rc < 0) 52 perror_msg_and_skip("ppoll"); 53 assert(rc == 2); 54} 55 56static void 57test2(void) 58{ 59 const struct timespec timeout = { .tv_sec = 0, .tv_nsec = 999 }; 60 struct pollfd fds[] = { 61 { .fd = 1, .events = POLLIN | POLLPRI | POLLRDNORM | POLLRDBAND }, 62 { .fd = 0, .events = POLLOUT | POLLWRNORM | POLLWRBAND } 63 }; 64 65 sigset_t mask; 66 sigfillset(&mask); 67 sigdelset(&mask, SIGHUP); 68 sigdelset(&mask, SIGKILL); 69 sigdelset(&mask, SIGSTOP); 70 71 int rc = ppoll(fds, sizeof(fds) / sizeof(*fds), &timeout, &mask); 72 if (rc < 0) 73 perror_msg_and_skip("ppoll"); 74 assert(rc == 0); 75} 76 77int 78main(void) 79{ 80 int fds[2]; 81 82 (void) close(0); 83 (void) close(1); 84 (void) close(3); 85 (void) close(4); 86 if (pipe(fds) || pipe(fds)) 87 perror_msg_and_fail("pipe"); 88 89 test1(); 90 test2(); 91 92 assert(ppoll(NULL, 42, NULL, NULL) < 0); 93 return 0; 94} 95