PTHREADMUTEXUNLOCK(3) BSD Library Functions Manual PTHREADMUTEXUNLOCK(3)

NAME
     pptthhrreeaaddmmuutteexxuunnlloocckk - unlock a mutex

SYNOPSIS
     ##iinncclluuddee <>

     int
     pptthhrreeaaddmmuutteexxuunnlloocckk(pthreadmutext *mutex);

DESCRIPTION
     If the current thread holds the lock on mutex, then the
     pptthhrreeaaddmmuutteexxuunnlloocckk() function unlocks mutex.

RETURN VALUES
     If successful, pptthhrreeaaddmmuutteexxuunnlloocckk() will return zero, otherwise an
     error number will be returned to indicate the error.

EERRRROORRSS
     pptthhrreeaaddmmuutteexxttrryylloocckk() will fail if:

     [EINVAL]           The value specified by mutex is invalid.

     [EPERM]            The current thread does not hold a lock on mutex.

SEE ALSO
     pthreadmutexdestroy(3), pthreadmutexinit(3), pthreadmutexlock(3),
     pthreadmutextrylock(3)

STANDARDS
     pptthhrreeaaddmmuutteexxuunnlloocckk() conforms to ISO/IEC 9945-1:1996 (``POSIX.1'').

BSD                              July 30, 1998                             BSD