| /* |
| * 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 O_APPEND is set for the file descripton, write operations append to |
| * the file in the same order as the calls were made. |
| * |
| * method: |
| * |
| * - open file in append mode |
| * - call aio_write thrice with different buffers and sizes |
| * - read all file |
| * - check read data |
| * |
| */ |
| |
| #define _XOPEN_SOURCE 600 |
| #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_write/2-1.c" |
| |
| int main(void) |
| { |
| char tmpfname[256]; |
| #define BUF_SIZE0 512 |
| char buf0[BUF_SIZE0]; |
| #define BUF_SIZE1 1024 |
| char buf1[BUF_SIZE1]; |
| #define BUF_SIZE2 1536 |
| char buf2[BUF_SIZE2]; |
| char *bufs[3] = { buf0, buf1, buf2 }; |
| ssize_t sizes[3] = { BUF_SIZE0, BUF_SIZE1, BUF_SIZE2 }; |
| #define CHECK_SIZE (BUF_SIZE0+BUF_SIZE1+BUF_SIZE2) |
| char check[CHECK_SIZE]; |
| int fd; |
| struct aiocb aiocb[3]; |
| int i; |
| int err; |
| int ret; |
| |
| if (sysconf(_SC_ASYNCHRONOUS_IO) < 200112L) |
| return PTS_UNSUPPORTED; |
| |
| snprintf(tmpfname, sizeof(tmpfname), "/tmp/pts_aio_write_2_1_%d", |
| getpid()); |
| unlink(tmpfname); |
| fd = open(tmpfname, O_CREAT | O_APPEND | O_RDWR | O_EXCL, |
| S_IRUSR | S_IWUSR); |
| if (fd == -1) { |
| printf(TNAME " Error at open(): %s\n", strerror(errno)); |
| exit(PTS_UNRESOLVED); |
| } |
| |
| unlink(tmpfname); |
| |
| for (i = 0; i < 3; i++) { |
| memset(bufs[i], i, sizes[i]); |
| memset(&aiocb[i], 0, sizeof(struct aiocb)); |
| aiocb[i].aio_fildes = fd; |
| aiocb[i].aio_buf = bufs[i]; |
| aiocb[i].aio_nbytes = sizes[i]; |
| |
| if (aio_write(&aiocb[i]) == -1) { |
| printf(TNAME " Error at aio_write() %d: %s\n", |
| i, strerror(errno)); |
| close(fd); |
| exit(PTS_FAIL); |
| } |
| } |
| |
| /* Wait until completion */ |
| do { |
| usleep(10000); |
| err = aio_error(&aiocb[2]); |
| } while (err == EINPROGRESS); |
| |
| for (i = 0; i < 3; i++) { |
| err = aio_error(&aiocb[i]); |
| ret = aio_return(&aiocb[i]); |
| |
| if (err != 0) { |
| printf(TNAME " Error at aio_error() %d: %s\n", i, |
| strerror(err)); |
| close(fd); |
| exit(PTS_FAIL); |
| } |
| |
| if (ret != sizes[i]) { |
| printf(TNAME " Error at aio_return() %d\n", i); |
| close(fd); |
| exit(PTS_FAIL); |
| } |
| } |
| |
| /* check the values written */ |
| |
| if (lseek(fd, 0, SEEK_SET) == -1) { |
| printf(TNAME " Error at lseek(): %s\n", strerror(errno)); |
| exit(PTS_FAIL); |
| } |
| |
| if (read(fd, check, CHECK_SIZE) != CHECK_SIZE) { |
| printf(TNAME " Error at read(): %s\n", strerror(errno)); |
| exit(PTS_FAIL); |
| } |
| |
| if (memcmp(buf0, check, BUF_SIZE0)) { |
| printf(TNAME " Bad value in buffer #0\n"); |
| exit(PTS_FAIL); |
| } |
| |
| if (memcmp(buf1, check + BUF_SIZE0, BUF_SIZE1)) { |
| printf(TNAME " Bad value in buffer #1\n"); |
| exit(PTS_FAIL); |
| } |
| |
| if (memcmp(buf2, check + BUF_SIZE0 + BUF_SIZE1, BUF_SIZE2)) { |
| printf(TNAME " Bad value in buffer #2\n"); |
| exit(PTS_FAIL); |
| } |
| |
| close(fd); |
| printf("Test PASSED\n"); |
| return PTS_PASS; |
| } |