| /* |
| * Copyright (c) 2004, Bull SA. All rights reserved. |
| * Created by: Laurent.Vivier@bull.net |
| * This file is licensed under the GPL license. For the full content |
| * of this license, see the COPYING file at the top level of this |
| * source tree. |
| */ |
| |
| /* |
| * assertion: |
| * |
| * If the aiocbp is used to submit another asynchronous operation, |
| * then aio_return may be successfully used to retrieve the return status. |
| * |
| * method: |
| * |
| * - open a file |
| * - fill in an aiocb for writing |
| * - call aio_write using this aiocb |
| * - call aio_return to get the aiocb status (number of bytes written) |
| * - reuse the aiocb for writing |
| * - call aio_write using this aiocb |
| * - call aio_return to get the aiocb status (number of bytes written) |
| */ |
| |
| #include <stdio.h> |
| #include <sys/types.h> |
| #include <unistd.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include <string.h> |
| #include <errno.h> |
| #include <stdlib.h> |
| #include <aio.h> |
| |
| #include "posixtest.h" |
| |
| #define TNAME "aio_return/3-1.c" |
| #define BUF_SIZE 4096 |
| |
| int main(void) |
| { |
| char tmpfname[256]; |
| char buf[BUF_SIZE]; |
| struct aiocb aiocb; |
| int fd, retval; |
| |
| if (sysconf(_SC_ASYNCHRONOUS_IO) < 200112L) |
| return PTS_UNSUPPORTED; |
| |
| snprintf(tmpfname, sizeof(tmpfname), "/tmp/pts_aio_return_3_1_%d", |
| getpid()); |
| unlink(tmpfname); |
| fd = open(tmpfname, O_CREAT | O_RDWR | O_EXCL, S_IRUSR | S_IWUSR); |
| |
| if (fd == -1) { |
| printf(TNAME " Error at open(): %s\n", strerror(errno)); |
| return PTS_UNRESOLVED; |
| } |
| |
| unlink(tmpfname); |
| |
| memset(buf, 0xaa, BUF_SIZE); |
| memset(&aiocb, 0, sizeof(struct aiocb)); |
| aiocb.aio_fildes = fd; |
| aiocb.aio_buf = buf; |
| aiocb.aio_nbytes = BUF_SIZE; |
| |
| if (aio_write(&aiocb) == -1) { |
| close(fd); |
| printf(TNAME " Error at aio_write(): %s\n", |
| strerror(aio_error(&aiocb))); |
| return PTS_FAIL; |
| } |
| |
| do { |
| usleep(10000); |
| retval = aio_error(&aiocb); |
| } while (retval == EINPROGRESS); |
| |
| retval = aio_return(&aiocb); |
| |
| if (retval == -1) { |
| close(fd); |
| printf(TNAME " Error at aio_return(): %d, %s\n", retval, |
| strerror(aio_error(&aiocb))); |
| return PTS_FAIL; |
| } |
| |
| memset(&aiocb, 0, sizeof(struct aiocb)); |
| aiocb.aio_fildes = fd; |
| aiocb.aio_buf = buf; |
| aiocb.aio_nbytes = BUF_SIZE / 2; |
| |
| if (aio_write(&aiocb) == -1) { |
| close(fd); |
| printf(TNAME " Error at aio_write(): %s\n", |
| strerror(aio_error(&aiocb))); |
| return PTS_FAIL; |
| } |
| |
| do { |
| usleep(10000); |
| retval = aio_error(&aiocb); |
| } while (retval == EINPROGRESS); |
| |
| retval = aio_return(&aiocb); |
| |
| if (retval == -1) { |
| close(fd); |
| printf(TNAME " Error at aio_return(): %s\n", |
| strerror(aio_error(&aiocb))); |
| return PTS_UNRESOLVED; |
| } else { |
| |
| if (retval != (BUF_SIZE / 2)) { |
| close(fd); |
| printf(TNAME " aio_return() didn't fail as expected: " |
| "%d, %s\n", retval, strerror(aio_error(&aiocb))); |
| return PTS_UNRESOLVED; |
| } |
| |
| } |
| |
| close(fd); |
| printf("Test PASSED\n"); |
| return PTS_PASS; |
| } |