/* Test for timeout handling. Copyright (C) 2000, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include <aio.h> #include <errno.h> #include <stdio.h> #include <unistd.h> #include <sys/time.h> /* We expect to wait for 3 seconds so we have to increase the timeout. */ #define TIMEOUT 10 /* sec */ #define TEST_FUNCTION do_test () static int do_test (void) { struct aiocb *arr[1]; struct aiocb cb; char buf[100]; struct timeval before; struct timeval after; struct timespec timeout; int fd[2]; int result = 0; if (pipe (fd) != 0) { printf ("cannot create pipe: %m\n"); return 1; } arr[0] = &cb; cb.aio_fildes = fd[0]; cb.aio_lio_opcode = LIO_WRITE; cb.aio_reqprio = 0; cb.aio_buf = (void *) buf; cb.aio_nbytes = sizeof (buf) - 1; cb.aio_offset = 0; cb.aio_sigevent.sigev_notify = SIGEV_NONE; /* Try to read from stdin where nothing will be available. */ if (aio_read (arr[0]) < 0) { if (errno == ENOSYS) { puts ("no aio support in this configuration"); return 0; } printf ("aio_read failed: %m\n"); return 1; } /* Get the current time. */ gettimeofday (&before, NULL); /* Wait for input which is unsuccessful and therefore the function will time out. */ timeout.tv_sec = 3; timeout.tv_nsec = 0; if (aio_suspend ((const struct aiocb *const*) arr, 1, &timeout) != -1) { puts ("aio_suspend() didn't return -1"); result = 1; } else if (errno != EAGAIN) { puts ("error not set to EAGAIN"); result = 1; } else { gettimeofday (&after, NULL); if (after.tv_sec < before.tv_sec + 1) { puts ("timeout came too early"); result = 1; } } return result; } #include "../test-skeleton.c"