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111
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1 /* { dg-do compile } */
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2 /* { dg-options "-fgnu-tm -O" } */
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3
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4 extern void usleep (int) __attribute__((transaction_pure));
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5 extern int rand(void) __attribute__((pure, transaction_pure));
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6 extern int printf (const char *, ...);
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7 extern void *malloc (__SIZE_TYPE__) __attribute__((malloc));
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8 extern void xyzzy (void * (*)(void *));
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9
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10 typedef struct
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11 {
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12 int id;
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13 } parm;
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14
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15 int gvar;
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16
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17 void *hello(void *arg)
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18 {
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19 parm *p=(parm *)arg;
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20 int tmp = p->id;
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21 int tmp3;
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22 printf ("Thread reads %d.\n", tmp);
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23 __transaction_atomic
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24 {
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25 int tmp2 = gvar;
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26 usleep ((int) (10.0*rand()/(10+1.0))/100);
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27 gvar = tmp + tmp2;
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28 tmp3 = gvar;
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29 }
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30 printf("tmp3 = %d\n", tmp3);
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31 return 0;
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32 }
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33
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34 int
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35 main()
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36 {
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37 int i, n = rand();
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38
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39 for (i=0; i<n; i++)
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40 xyzzy (hello);
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41
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42 return 0;
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43 }
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