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-.TH SEM_GETVALUE 3 2012-05-13 "Linux" "Linux Programmer's Manual"
+.TH SEM_GETVALUE 3 2014-03-03 "Linux" "Linux Programmer's Manual"
.SH NAME
sem_getvalue \- get the value of a semaphore
.SH SYNOPSIS
.B EINVAL
.I sem
is not a valid semaphore.
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR sem_getvalue ()
+function is thread-safe.
.SH CONFORMING TO
POSIX.1-2001.
.SH NOTES