Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision | Last revision Both sides next revision | ||
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sav07_lecture_18 [2007/05/29 00:43] vasu.singh |
sav07_lecture_18 [2007/05/29 21:40] vasu.singh |
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| Line 27: | Line 27: | ||
| This suggests that the two programs above are not equivalent for the purpose of reasoning | This suggests that the two programs above are not equivalent for the purpose of reasoning | ||
| in concurrently executing programs. | in concurrently executing programs. | ||
| + | |||
| Line 76: | Line 77: | ||
| while (*) do | while (*) do | ||
| if (*) then | if (*) then | ||
| - | x++; | + | atomic{ |
| - | y--; | + | x++; |
| + | y--; | ||
| + | } | ||
| else | else | ||
| - | y++; | + | atomic{ |
| - | x--; | + | y++; |
| + | x--; | ||
| + | } | ||
| endif | endif | ||
| end | end | ||