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Description of problem:
nptl/tst-cancel4.c forgot "sigemptyset(&mask);" after declaration and before
calling sigaddset(&mask, SIGUSR1); Because of this, the value after sigaddset()
is undefined, which makes the test results invalid.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1.Inspect nptl/tst-cancel4.c for calls to sigaddset immediately after
declaration of the sigset_t.
Actual Results: Lines 779, 822, 866 contain calls to sigaddset immediately
after declaration, without any call to sigemptyset.
Expected Results: No such calls.
Fix committed to CVS.
And should be in glibc-2.3.2-79 and later as well.