_lwp_cond_signal man page on OpenIndiana

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_lwp_cond_signal(2)		 System Calls		   _lwp_cond_signal(2)

NAME
       _lwp_cond_signal, _lwp_cond_broadcast - signal a condition variable

SYNOPSIS
       #include <sys/lwp.h>

       int _lwp_cond_signal(lwp_cond_t *cvp);

       int _lwp_cond_broadcast(lwp_cond_t *cvp);

DESCRIPTION
       The _lwp_cond_signal() function unblocks one LWP that is blocked on the
       LWP condition variable pointed to by cvp.

       The _lwp_cond_broadcast() function unblocks all LWPs that  are  blocked
       on the LWP condition variable pointed to by cvp.

       If   no	 LWPs	are  blocked  on  the  LWP  condition  variable,  then
       _lwp_cond_signal() and _lwp_cond_broadcast() have no effect.

       Both functions should be called under the protection of	the  same  LWP
       mutex  lock  that  is  used with the LWP condition variable being  sig‐
       naled. Otherwise, the condition variable may be signalled  between  the
       test of the associated condition and blocking in _lwp_cond_wait(). This
       can cause an infinite wait.

RETURN VALUES
       Upon successful completion, 0 is returned. A non-zero  value  indicates
       an error.

ERRORS
       The  _lwp_cond_signal()	and  _lwp_cond_broadcast() functions will fail
       if:

       EINVAL	 The cvp argument points to an invalid LWP condition variable.

       EFAULT	 The cvp argument points to an invalid address.

SEE ALSO
       _lwp_cond_wait(2), _lwp_mutex_lock(2)

SunOS 5.11			  8 Dec 1995		   _lwp_cond_signal(2)
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