#include <assert.h> #include <aio.h> #include <fcntl.h> #include <stdio.h> #include <string.h> #include <unistd.h> int x; int main(void) { #define LEN 10 char buf[LEN]; struct aiocb a; struct sigevent s; // Not sure if the sigevent is even looked at by aio_*... just zero it. memset(&s, 0, sizeof(struct sigevent)); a.aio_fildes = -1; a.aio_offset = 0; a.aio_buf = NULL; a.aio_nbytes = LEN; a.aio_reqprio = 0; a.aio_sigevent = s; a.aio_lio_opcode = 0; // ignored //------------------------------------------------------------------------ // The cases where aiocbp itself points to bogus memory is handled in // memcheck/tests/darwin/scalar.c, so we don't check that here. //------------------------------------------------------------------------ // XXX: This causes an unexpected undef value error later, at the XXX mark. // Not sure why, it shouldn't. // assert( aio_return(&a) < 0); // (aiocbp hasn't been inited) //------------------------------------------------------------------------ assert( aio_read(&a) < 0); // invalid fd //------------------------------------------------------------------------ a.aio_fildes = open("aio.c", O_RDONLY); assert(a.aio_fildes >= 0); assert( aio_read(&a) < 0); // unaddressable aio_buf //------------------------------------------------------------------------ a.aio_buf = buf; assert( aio_read(&a) == 0 ); assert( aio_read(&a) < 0 ); // (don't crash on the repeated &a) while (0 != aio_error(&a)) { }; if (buf[0] == buf[9]) x++; // undefined -- aio_return() not called yet assert( aio_return(&a) > 0 ); // XXX: (undefined value error here) if (buf[0] == buf[9]) x++; assert( aio_return(&a) < 0 ); // (repeated aio_return(); fails because // Valgrind can't find &a in the table) //------------------------------------------------------------------------ a.aio_buf = 0; a.aio_fildes = creat("mytmpfile", S_IRUSR|S_IWUSR); assert(a.aio_fildes >= 0); assert( aio_write(&a) < 0); // unaddressable aio_buf //------------------------------------------------------------------------ a.aio_buf = buf; assert( aio_write(&a) == 0 ); assert( aio_write(&a) < 0 ); // (don't crash on the repeated &a) while (0 != aio_error(&a)) { }; assert( aio_return(&a) > 0 ); assert( aio_return(&a) < 0 ); // (repeated aio_return(); fails because // Valgrind can't find &a in the table) unlink("mytmpfile"); return x; };