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 * aio_write() shall fail or the error status of the operation shall be [EBADF] if: 13 * aio_fildes argument is not a valid file descriptor open for writing. 14 * 15 * method: Test with an invalid file descriptor opened read-only 16 * 17 * - setup an aiocb with an read-only aio_fildes 18 * - call aio_write with this aiocb 19 * - check return code and errno 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 "aio_write/8-2.c" 37 38 int main(void) 39 { 40 char tmpfname[256]; 41 #define BUF_SIZE 512 42 char buf[BUF_SIZE]; 43 int fd; 44 struct aiocb aiocb; 45 int ret = 0; 46 47 if (sysconf(_SC_ASYNCHRONOUS_IO) < 200112L) 48 return PTS_UNSUPPORTED; 49 50 snprintf(tmpfname, sizeof(tmpfname), "/tmp/pts_aio_write_8_2_%d", 51 getpid()); 52 unlink(tmpfname); 53 fd = open(tmpfname, O_CREAT | O_RDONLY | O_EXCL, S_IRUSR | S_IWUSR); 54 if (fd == -1) { 55 printf(TNAME " Error at open(): %s\n", strerror(errno)); 56 exit(PTS_UNRESOLVED); 57 } 58 59 unlink(tmpfname); 60 61 memset(buf, 0xaa, BUF_SIZE); 62 memset(&aiocb, 0, sizeof(struct aiocb)); 63 aiocb.aio_fildes = fd; 64 aiocb.aio_buf = buf; 65 aiocb.aio_nbytes = BUF_SIZE; 66 67 /* 68 * EBADF is encountered at a later stage 69 * and should be collected by aio_error() 70 */ 71 72 if (aio_write(&aiocb) != 0) { 73 printf(TNAME " bad aio_write return value()\n"); 74 exit(PTS_FAIL); 75 } 76 77 do { 78 usleep(10000); 79 ret = aio_error(&aiocb); 80 } while (ret == EINPROGRESS); 81 82 if (ret != EBADF) { 83 printf(TNAME " errno is not EBADF %s\n", strerror(errno)); 84 exit(PTS_FAIL); 85 } 86 87 close(fd); 88 printf("Test PASSED\n"); 89 return PTS_PASS; 90 } 91
