missing poll(2) for semaphores

[Alex Riesen]

Hi, all
i am missing a good (i think) feature of unix descriptors
in SysV semaphores - to be poll(2)-able.
Have someone an idea to somehow achieve the goal ? 

something like this:

int sem = create_our_pollable_semaphore();
...
...
pollfd fds[xxx];

for(i=0; i < countof(fds); fds[i++].events = POLLIN|POLLOUT);
fds[0].fd = sem;
fds[1].fd = server_sock1;
fds[2].fd = cmd_sock2;

while ( poll(fds, countof(fds), -1) >= 0 )
 ...

Thank you in advance

Alex Riesen