1/* 2 * Copyright (c) 2004, Bull SA. All rights reserved. 3 * Created by: Laurent.Vivier@bull.net 4 * This file is licensed under the GPL license. For the full content 5 * of this license, see the COPYING file at the top level of this 6 * source tree. 7 */ 8 9/* 10 * assertion: 11 * 12 * LIO_READ causes the entry to be submited as if by a call to aio_read(). 13 * 14 * method: 15 * 16 * - open a file 17 * - write data 18 * - submit read request to lio_listio 19 * - check data is read correctly 20 * 21 */ 22 23#define _XOPEN_SOURCE 600 24#include <stdio.h> 25#include <sys/types.h> 26#include <unistd.h> 27#include <sys/stat.h> 28#include <fcntl.h> 29#include <string.h> 30#include <errno.h> 31#include <stdlib.h> 32#include <aio.h> 33 34#include "posixtest.h" 35 36#define TNAME "lio_listio/8-1.c" 37 38int main(void) 39{ 40 char tmpfname[256]; 41#define BUF_SIZE 512 42 unsigned char buf[BUF_SIZE]; 43 unsigned char check[BUF_SIZE]; 44 int fd; 45 struct aiocb aiocb; 46 struct aiocb *list[1]; 47 int i; 48 int err; 49 int ret; 50 51 if (sysconf(_SC_ASYNCHRONOUS_IO) < 200112L) 52 exit(PTS_UNSUPPORTED); 53 54 snprintf(tmpfname, sizeof(tmpfname), "/tmp/pts_lio_listio_8_1_%d", 55 getpid()); 56 unlink(tmpfname); 57 fd = open(tmpfname, O_CREAT | O_RDWR | O_EXCL, S_IRUSR | S_IWUSR); 58 if (fd == -1) { 59 printf(TNAME " Error at open(): %s\n", strerror(errno)); 60 exit(PTS_UNRESOLVED); 61 } 62 63 unlink(tmpfname); 64 65 for (i = 0; i < BUF_SIZE; i++) 66 buf[i] = i; 67 68 if (write(fd, buf, BUF_SIZE) != BUF_SIZE) { 69 printf(TNAME " Error at write(): %s\n", strerror(errno)); 70 exit(PTS_UNRESOLVED); 71 } 72 73 memset(check, 0xaa, BUF_SIZE); 74 memset(&aiocb, 0, sizeof(struct aiocb)); 75 aiocb.aio_fildes = fd; 76 aiocb.aio_buf = check; 77 aiocb.aio_nbytes = BUF_SIZE; 78 aiocb.aio_lio_opcode = LIO_READ; 79 80 list[0] = &aiocb; 81 82 if (lio_listio(LIO_WAIT, list, 1, NULL) == -1) { 83 printf(TNAME " Error at lio_listio(): %s\n", strerror(errno)); 84 85 close(fd); 86 exit(PTS_FAIL); 87 } 88 89 /* Check return values */ 90 err = aio_error(&aiocb); 91 ret = aio_return(&aiocb); 92 93 if (err != 0) { 94 printf(TNAME " Error at aio_error(): %s\n", strerror(errno)); 95 96 close(fd); 97 exit(PTS_FAIL); 98 } 99 100 if (ret != BUF_SIZE) { 101 printf(TNAME " Error at aio_return(): %d\n", ret); 102 103 close(fd); 104 exit(PTS_FAIL); 105 } 106 107 /* check it */ 108 for (i = 0; i < BUF_SIZE; i++) { 109 if (buf[i] != check[i]) { 110 printf(TNAME " read values are corrupted\n"); 111 exit(PTS_FAIL); 112 } 113 } 114 115 close(fd); 116 printf("Test PASSED\n"); 117 return PTS_PASS; 118} 119