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Diffstat (limited to 'rt/tst-aio4.c')
-rw-r--r-- | rt/tst-aio4.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/rt/tst-aio4.c b/rt/tst-aio4.c new file mode 100644 index 0000000..1fd5ca5 --- /dev/null +++ b/rt/tst-aio4.c @@ -0,0 +1,141 @@ +/* Test for completion signal handling. + Copyright (C) 2000 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <aio.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +/* We might need a bit longer timeout. */ +#define TIMEOUT 10 /* sec */ + +#define MY_SIGNO (SIGRTMIN + 11) + +volatile sig_atomic_t flag; + + +void +sighandler (const int signo) +{ + flag = signo; +} + +int +wait_flag (void) +{ + while (flag == 0) + { + puts ("Sleeping..."); + sleep (1); + } + + if (flag != MY_SIGNO) + { + printf ("signal handler received wrong signal, flag is %d\n", flag); + return 1; + } + + return 0; +} + + +int +do_test (int argc, char *argv[]) +{ + char name[] = "/tmp/aio4.XXXXXX"; + int fd; + struct aiocb *arr[1]; + struct aiocb cb; + static const char buf[] = "Hello World\n"; + struct aioinit init = {10, 20, 0}; + struct sigaction sa; + struct sigevent ev; + + fd = mkstemp (name); + if (fd == -1) + { + printf ("cannot open temp name: %m\n"); + return 1; + } + + unlink (name); + + /* Test also aio_init. */ + aio_init (&init); + + arr[0] = &cb; + + cb.aio_fildes = fd; + cb.aio_lio_opcode = LIO_WRITE; + cb.aio_reqprio = 0; + cb.aio_buf = (void *) buf; + cb.aio_nbytes = sizeof (buf) - 1; + cb.aio_sigevent.sigev_notify = SIGEV_SIGNAL; + cb.aio_sigevent.sigev_notify_function = NULL; + cb.aio_sigevent.sigev_notify_attributes = NULL; + cb.aio_sigevent.sigev_signo = MY_SIGNO; + cb.aio_sigevent.sigev_value.sival_ptr = NULL; + + ev.sigev_notify = SIGEV_SIGNAL; + ev.sigev_notify_function = NULL; + ev.sigev_notify_attributes = NULL; + ev.sigev_signo = MY_SIGNO; + + sa.sa_handler = sighandler; + sigemptyset (&sa.sa_mask); + sa.sa_flags = SA_RESTART; + sa.sa_restorer = NULL; + + if (sigaction (MY_SIGNO, &sa, NULL) < 0) + { + printf ("sigaction failed: %m\n"); + return 1; + } + + flag = 0; + /* First use aio_write. */ + if (aio_write (arr[0]) < 0) + { + printf ("aio_write failed: %m\n"); + return 1; + } + + if (wait_flag ()) + return 1; + + puts ("aio_write OK"); + + flag = 0; + /* Again with lio_listio. */ + if (lio_listio (LIO_NOWAIT, arr, 1, &ev) < 0) + { + printf ("lio_listio failed: %m\n"); + return 1; + } + + if (wait_flag ()) + return 1; + + puts ("all OK"); + + return 0; +} + +#include "../test-skeleton.c" |