| /* |
| * 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: |
| * |
| * The aio_write() function shall write aio_nbytes to the files associated |
| * with aio_fildes from the buffer pointer to by aio_buf. |
| * |
| * method: |
| * |
| * - open file |
| * - write 2*1024 0x00 bytes using synchronous write |
| * - write 1024 0xaa bytes at offset 512 using aio_write |
| * - read 2*1024 bytes |
| * - check read data |
| * |
| */ |
| |
| #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/1-2.c" |
| |
| int main(void) |
| { |
| char tmpfname[256]; |
| #define BUF_SIZE 1024 |
| char buf[BUF_SIZE]; |
| char check[BUF_SIZE * 2]; |
| int fd; |
| struct aiocb aiocb; |
| int err; |
| int ret; |
| |
| if (sysconf(_SC_ASYNCHRONOUS_IO) < 200112L) |
| return PTS_UNSUPPORTED; |
| |
| snprintf(tmpfname, sizeof(tmpfname), "/tmp/pts_aio_write_1_2_%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)); |
| exit(PTS_UNRESOLVED); |
| } |
| |
| unlink(tmpfname); |
| |
| memset(buf, 0x00, BUF_SIZE); |
| |
| if (write(fd, buf, BUF_SIZE) != BUF_SIZE) { |
| printf(TNAME " Error at write(): %s\n", strerror(errno)); |
| exit(PTS_UNRESOLVED); |
| } |
| |
| if (write(fd, buf, BUF_SIZE) != BUF_SIZE) { |
| printf(TNAME " Error at write(): %s\n", strerror(errno)); |
| exit(PTS_UNRESOLVED); |
| } |
| |
| memset(buf, 0xaa, BUF_SIZE); |
| memset(&aiocb, 0, sizeof(struct aiocb)); |
| aiocb.aio_fildes = fd; |
| aiocb.aio_buf = buf; |
| aiocb.aio_nbytes = BUF_SIZE; |
| aiocb.aio_offset = BUF_SIZE / 2; |
| |
| if (aio_write(&aiocb) == -1) { |
| printf(TNAME " Error at aio_write(): %s\n", strerror(errno)); |
| exit(PTS_FAIL); |
| } |
| |
| /* Wait until end of transaction */ |
| do { |
| usleep(10000); |
| err = aio_error(&aiocb); |
| } while (err == EINPROGRESS); |
| |
| ret = aio_return(&aiocb); |
| |
| if (err != 0) { |
| printf(TNAME " Error at aio_error() : %s\n", strerror(err)); |
| close(fd); |
| exit(PTS_FAIL); |
| } |
| |
| if (ret != BUF_SIZE) { |
| printf(TNAME " Error at aio_return()\n"); |
| 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)); |
| close(fd); |
| exit(PTS_FAIL); |
| } |
| |
| memset(check, 0x01, BUF_SIZE * 2); |
| if (read(fd, check, BUF_SIZE * 2) != BUF_SIZE * 2) { |
| printf(TNAME " Error at read(): %s\n", strerror(errno)); |
| close(fd); |
| exit(PTS_FAIL); |
| } |
| |
| if (check[BUF_SIZE / 2 - 1] != 0) { |
| printf(TNAME " write at bad offset\n"); |
| close(fd); |
| exit(PTS_FAIL); |
| } |
| |
| if (check[BUF_SIZE / 2 + BUF_SIZE] != 0) { |
| printf(TNAME " bad size written\n"); |
| close(fd); |
| exit(PTS_FAIL); |
| } |
| |
| if (memcmp(buf, check + BUF_SIZE / 2, BUF_SIZE)) { |
| printf(TNAME " Bad value in buffer\n"); |
| close(fd); |
| exit(PTS_FAIL); |
| } |
| |
| close(fd); |
| printf("Test PASSED\n"); |
| return PTS_PASS; |
| } |