On old kernel, poll syscall being ptraced (vgdb+ptrace) is not necessarily
properly restarted. Instead, it can fail with EINTR, even if no signal was
effectively received.

Handle such case by retrying the poll syscall when the poll syscall
is failing due to EINTR



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13977 a5019735-40e9-0310-863c-91ae7b9d1cf9
1 file changed