On 15.12.2010 06:17, Blair Zajac wrote: > On 12/14/10 8:21 PM, hwri...@apache.org wrote: >> Author: hwright >> Date: Wed Dec 15 04:21:23 2010 >> New Revision: 1049414 >> >> URL: http://svn.apache.org/viewvc?rev=1049414&view=rev >> Log: >> Allow tests which cause segfaults to not disrupt the other tests in >> the C >> testsuite. This becomes useful when committing an XFailing test of a >> segfault (which I will shortly do), or when a test starts segfaulting of >> it's own accord. >> >> This behavior is enabled by default, but can be disabled by passing >> --allow-segfaults to the test, which should make for better debugging >> of the cause of the segfault. >> >> This patch uses setjmp() / longjmp() to accomplish the recovery from >> a SIGSEGV. >> While I'd highly frown upon those function in general purpose use, I >> believe >> this is an understandable exception. Because it is so rare to use them, >> my personal experience is limited, so review and corrections are of >> course >> welcomed. > > I've never seen setjmp/longjump used for this, but it's interesting. > > One question, could you use sigsetjmp/siglongjmp instead of manually > putting back disposition the to default with apr_signal? I guess you > would use apr_signal after the sigsetjump in that case.
Are the sig* variants available on all platforms? I don't recall seeing them in the C90 stdlib. -- Brane
