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1 #include <assert.h>
2 #include <aio.h>
3 #include <fcntl.h>
4 #include <stdio.h>
5 #include <string.h>
6 #include <unistd.h>
7 int x;
8 
main(void)9 int main(void)
10 {
11    #define LEN 10
12    char buf[LEN];
13 
14    struct aiocb a;
15    struct sigevent s;
16 
17    // Not sure if the sigevent is even looked at by aio_*... just zero it.
18    memset(&s, 0, sizeof(struct sigevent));
19 
20    a.aio_fildes     = -1;
21    a.aio_offset     = 0;
22    a.aio_buf        = NULL;
23    a.aio_nbytes     = LEN;
24    a.aio_reqprio    = 0;
25    a.aio_sigevent   = s;
26    a.aio_lio_opcode = 0;   // ignored
27 
28    //------------------------------------------------------------------------
29    // The cases where aiocbp itself points to bogus memory is handled in
30    // memcheck/tests/darwin/scalar.c, so we don't check that here.
31 
32    //------------------------------------------------------------------------
33    // XXX: This causes an unexpected undef value error later, at the XXX mark.
34    //      Not sure why, it shouldn't.
35    // assert( aio_return(&a) < 0);  // (aiocbp hasn't been inited)
36 
37    //------------------------------------------------------------------------
38    assert( aio_read(&a) < 0);       // invalid fd
39 
40    //------------------------------------------------------------------------
41    a.aio_fildes = open("aio.c", O_RDONLY);
42    assert(a.aio_fildes >= 0);
43 
44    assert( aio_read(&a) < 0);       // unaddressable aio_buf
45 
46    //------------------------------------------------------------------------
47    a.aio_buf = buf;
48 
49    assert( aio_read(&a) == 0 );
50 
51    assert( aio_read(&a)  < 0 );     // (don't crash on the repeated &a)
52 
53    while (0 != aio_error(&a)) { };
54 
55    if (buf[0] == buf[9]) x++;       // undefined -- aio_return() not called yet
56 
57    assert( aio_return(&a) > 0 );    // XXX: (undefined value error here)
58 
59    if (buf[0] == buf[9]) x++;
60 
61    assert( aio_return(&a) < 0 );    // (repeated aio_return();  fails because
62                                     // Valgrind can't find &a in the table)
63 
64    //------------------------------------------------------------------------
65    a.aio_buf    = 0;
66    a.aio_fildes = creat("mytmpfile", S_IRUSR|S_IWUSR);
67    assert(a.aio_fildes >= 0);
68 
69    assert( aio_write(&a) < 0);      // unaddressable aio_buf
70 
71    //------------------------------------------------------------------------
72    a.aio_buf = buf;
73 
74    assert( aio_write(&a) == 0 );
75 
76    assert( aio_write(&a)  < 0 );    // (don't crash on the repeated &a)
77 
78    while (0 != aio_error(&a)) { };
79 
80    assert( aio_return(&a) > 0 );
81 
82    assert( aio_return(&a) < 0 );    // (repeated aio_return();  fails because
83                                     // Valgrind can't find &a in the table)
84 
85    unlink("mytmpfile");
86 
87    return x;
88 };
89 
90 
91 
92