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_return() may be called exactly once to retrieve the return status. 13 * 14 * method: 15 * 16 * - open a file 17 * - fill in an aiocb for writing 18 * - call aio_write using this aiocb 19 * - call aio_return to get the aiocb status (number of bytes written) 20 * - call aio_return again, return status should be -1 21 */ 22 23 #define _XOPEN_SOURCE 600 24 #include <sys/stat.h> 25 #include <aio.h> 26 #include <errno.h> 27 #include <fcntl.h> 28 #include <stdio.h> 29 #include <stdlib.h> 30 #include <string.h> 31 #include <unistd.h> 32 #include "posixtest.h" 33 34 #define TNAME "aio_return/2-1.c" 35 #define BUF_SIZE 111 36 37 int main(void) 38 { 39 char tmpfname[256]; 40 char buf[BUF_SIZE]; 41 struct aiocb aiocb; 42 int fd, retval; 43 44 if (sysconf(_SC_ASYNCHRONOUS_IO) < 200112L) 45 return PTS_UNSUPPORTED; 46 47 snprintf(tmpfname, sizeof(tmpfname), "/tmp/pts_aio_return_2_1_%d", 48 getpid()); 49 unlink(tmpfname); 50 fd = open(tmpfname, O_CREAT | O_RDWR | O_EXCL, S_IRUSR | S_IWUSR); 51 52 if (fd == -1) { 53 printf(TNAME " Error at open(): %s\n", strerror(errno)); 54 return PTS_UNRESOLVED; 55 } 56 57 unlink(tmpfname); 58 59 memset(buf, 0xaa, BUF_SIZE); 60 memset(&aiocb, 0, sizeof(struct aiocb)); 61 aiocb.aio_fildes = fd; 62 aiocb.aio_buf = buf; 63 aiocb.aio_nbytes = BUF_SIZE; 64 65 if (aio_write(&aiocb) == -1) { 66 close(fd); 67 printf(TNAME " Error at aio_write(): %s\n", 68 strerror(aio_error(&aiocb))); 69 return PTS_FAIL; 70 } 71 72 do { 73 usleep(10000); 74 retval = aio_error(&aiocb); 75 } while (retval == EINPROGRESS); 76 77 retval = aio_return(&aiocb); 78 79 if (0 < retval) { 80 81 if (retval != BUF_SIZE) { 82 close(fd); 83 printf(TNAME " aio_return didn't return expected size: " 84 "%d\n", retval); 85 return PTS_FAIL; 86 } 87 88 retval = aio_return(&aiocb); 89 90 if (retval != -1) { 91 close(fd); 92 printf(TNAME " Second call to aio_return() may " 93 "return -1; aio_return() returned %d\n", retval); 94 return PTS_UNTESTED; 95 } 96 97 } else { 98 close(fd); 99 printf(TNAME " Error at aio_error(): %s\n", 100 strerror(aio_error(&aiocb))); 101 return PTS_UNRESOLVED; 102 } 103 104 close(fd); 105 printf("Test PASSED\n"); 106 return PTS_PASS; 107 } 108
