https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106772
Thomas Rodgers <rodgertq at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |INVALID Status|UNCONFIRMED |RESOLVED --- Comment #2 from Thomas Rodgers <rodgertq at gcc dot gnu.org> --- This is not a bug. The size of the waiter pool, not withstanding, the point is you want to determine if a notify is likely to notify anything, to avoid the very expensive (by comparison) syscall to wake the futex.