On 11/25/19 10:33 AM, Mariusz Zaborski wrote: > Author: oshogbo > Date: Mon Nov 25 18:33:21 2019 > New Revision: 355097 > URL: https://svnweb.freebsd.org/changeset/base/355097 > > Log: > procdesc: allow to collect status through wait(1) if process is traced > > The debugger like truss(1) depends on the wait(2) syscall. This syscall > waits for ALL children. When it is waiting for ALL child's the children > created by process descriptors are not returned. This behavior was > introduced because we want to implement libraries which may pdfork(1). > > The behavior of process descriptor brakes truss(1) because it will > not be able to collect the status of processes with process descriptors. > > To address this problem the status is returned to parent when the > child is traced. While the process is traced the debugger is the new parent. > In case the original parent and debugger are the same process it means the > debugger explicitly used pdfork() to create the child. In that case the > debugger > should be using kqueue()/pdwait() instead of wait(). > > Add test case to verify that. The test case was implemented by markj@.
Does this fix PR 201276? Also, what about PRs 220324 and 232679? -- John Baldwin _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"