.TH SCOUNT 2 .SH NAME scount \- return the count associated with a semaphore .SH SYNOPSIS .nf .B int scount(sem) .B int sem; .fi .SH DESCRIPTION .I Scount returns the current count associated with semaphore .I sem. A count of negative p means that there are p processes waiting on the semaphore; a count of positive p means that at most p more calls to WAIT(2) can occur before a process will be blocked (assuming no intervening sends occur). .SH SEE ALSO screate(2), sdelete(2), signal(2), sreset(2), wait(2) .SH BUGS In this version, there is no way to distinguish SYSERR from a legal semaphore count of \-1.