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      1 /*
      2  * Copyright (c) 2002, Intel Corporation. All rights reserved.
      3  * Copyright (c) 2012, Cyril Hrubis <chrubis (at) suse.cz>
      4  *
      5  * This file is licensed under the GPL license.  For the full content
      6  * of this license, see the COPYING file at the top level of this
      7  * source tree.
      8  *
      9  * The mmap() function shall fail if: [ENODEV] The fildes argument refers to a
     10  * file whose type is not supported by mmap().
     11  *
     12  * Test Steps:
     13  * 1. Create pipe;
     14  * 2. mmap the pipe fd to memory, should get ENODEV;
     15  *
     16  */
     17 
     18 #define _XOPEN_SOURCE 600
     19 #include <stdio.h>
     20 #include <stdlib.h>
     21 #include <unistd.h>
     22 #include <sys/mman.h>
     23 #include <sys/types.h>
     24 #include <sys/stat.h>
     25 #include <fcntl.h>
     26 #include <string.h>
     27 #include <errno.h>
     28 #include "posixtest.h"
     29 
     30 int main(void)
     31 {
     32 	int pipe_fd[2];
     33 	void *pa;
     34 
     35 	if (pipe(pipe_fd) == -1) {
     36 		printf("Error at pipe(): %s\n", strerror(errno));
     37 		return PTS_UNRESOLVED;
     38 	}
     39 
     40 	pa = mmap(NULL, 1024, PROT_READ, MAP_SHARED, pipe_fd[0], 0);
     41 
     42 	if (pa == MAP_FAILED && errno == ENODEV) {
     43 		printf("Test PASSED\n");
     44 		close(pipe_fd[0]);
     45 		close(pipe_fd[1]);
     46 		return PTS_PASS;
     47 	}
     48 
     49 	if (pa == MAP_FAILED) {
     50 		printf("Test FAILED: Expect ENODEV, get: %s\n",
     51 		       strerror(errno));
     52 	} else {
     53 		printf("Text FAILED: mmap() succeded\n");
     54 	}
     55 
     56 	close(pipe_fd[0]);
     57 	close(pipe_fd[1]);
     58 
     59 	return PTS_FAIL;
     60 }
     61