1 /* 2 * Copyright (c) 2004, Bull SA. All rights reserved. 3 * Created by: Laurent.Vivier (at) 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 * If O_APPEND is set for the file descripton, write operations append to 13 * the file in the same order as the calls were made. 14 * 15 * method: 16 * 17 * - open file in append mode 18 * - call aio_write thrice with different buffers and sizes 19 * - read all file 20 * - check read data 21 * 22 */ 23 24 #define _XOPEN_SOURCE 600 25 #include <stdio.h> 26 #include <sys/types.h> 27 #include <unistd.h> 28 #include <sys/stat.h> 29 #include <fcntl.h> 30 #include <string.h> 31 #include <errno.h> 32 #include <stdlib.h> 33 #include <aio.h> 34 35 #include "posixtest.h" 36 37 #define TNAME "aio_write/2-1.c" 38 39 int main(void) 40 { 41 char tmpfname[256]; 42 #define BUF_SIZE0 512 43 char buf0[BUF_SIZE0]; 44 #define BUF_SIZE1 1024 45 char buf1[BUF_SIZE1]; 46 #define BUF_SIZE2 1536 47 char buf2[BUF_SIZE2]; 48 char *bufs[3] = { buf0, buf1, buf2 }; 49 ssize_t sizes[3] = { BUF_SIZE0, BUF_SIZE1, BUF_SIZE2 }; 50 #define CHECK_SIZE (BUF_SIZE0+BUF_SIZE1+BUF_SIZE2) 51 char check[CHECK_SIZE]; 52 int fd; 53 struct aiocb aiocb[3]; 54 int i; 55 int err; 56 int ret; 57 58 if (sysconf(_SC_ASYNCHRONOUS_IO) < 200112L) 59 return PTS_UNSUPPORTED; 60 61 snprintf(tmpfname, sizeof(tmpfname), "/tmp/pts_aio_write_2_1_%d", 62 getpid()); 63 unlink(tmpfname); 64 fd = open(tmpfname, O_CREAT | O_APPEND | O_RDWR | O_EXCL, 65 S_IRUSR | S_IWUSR); 66 if (fd == -1) { 67 printf(TNAME " Error at open(): %s\n", strerror(errno)); 68 exit(PTS_UNRESOLVED); 69 } 70 71 unlink(tmpfname); 72 73 for (i = 0; i < 3; i++) { 74 memset(bufs[i], i, sizes[i]); 75 memset(&aiocb[i], 0, sizeof(struct aiocb)); 76 aiocb[i].aio_fildes = fd; 77 aiocb[i].aio_buf = bufs[i]; 78 aiocb[i].aio_nbytes = sizes[i]; 79 80 if (aio_write(&aiocb[i]) == -1) { 81 printf(TNAME " Error at aio_write() %d: %s\n", 82 i, strerror(errno)); 83 close(fd); 84 exit(PTS_FAIL); 85 } 86 } 87 88 /* Wait until completion */ 89 do { 90 usleep(10000); 91 err = aio_error(&aiocb[2]); 92 } while (err == EINPROGRESS); 93 94 for (i = 0; i < 3; i++) { 95 err = aio_error(&aiocb[i]); 96 ret = aio_return(&aiocb[i]); 97 98 if (err != 0) { 99 printf(TNAME " Error at aio_error() %d: %s\n", i, 100 strerror(err)); 101 close(fd); 102 exit(PTS_FAIL); 103 } 104 105 if (ret != sizes[i]) { 106 printf(TNAME " Error at aio_return() %d\n", i); 107 close(fd); 108 exit(PTS_FAIL); 109 } 110 } 111 112 /* check the values written */ 113 114 if (lseek(fd, 0, SEEK_SET) == -1) { 115 printf(TNAME " Error at lseek(): %s\n", strerror(errno)); 116 exit(PTS_FAIL); 117 } 118 119 if (read(fd, check, CHECK_SIZE) != CHECK_SIZE) { 120 printf(TNAME " Error at read(): %s\n", strerror(errno)); 121 exit(PTS_FAIL); 122 } 123 124 if (memcmp(buf0, check, BUF_SIZE0)) { 125 printf(TNAME " Bad value in buffer #0\n"); 126 exit(PTS_FAIL); 127 } 128 129 if (memcmp(buf1, check + BUF_SIZE0, BUF_SIZE1)) { 130 printf(TNAME " Bad value in buffer #1\n"); 131 exit(PTS_FAIL); 132 } 133 134 if (memcmp(buf2, check + BUF_SIZE0 + BUF_SIZE1, BUF_SIZE2)) { 135 printf(TNAME " Bad value in buffer #2\n"); 136 exit(PTS_FAIL); 137 } 138 139 close(fd); 140 printf("Test PASSED\n"); 141 return PTS_PASS; 142 } 143
