fork of 9front i guess
1047b53efc
When _startbuf is invoked, it would crash on the second invocation if creating a mux segment failed. This is because the first attempt would assign the return value -1 to the global mux variable, and the second attempt would notice that the global mux was not nil, and would attempt to use it. This change only assigns to the global variable if the allocation of the segment was a success. While we're here, we should also check the return of the rfork call. |
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