SV_SIGNAL man page on IRIX

SV_SIGNAL man page on IRIX

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SV_SIGNAL(D3)							 SV_SIGNAL(D3)

NAME
     SV_SIGNAL - wake up a process sleeping on a synchronization variable

SYNOPSIS
     #include <sys/ksynch.h>
     #include <sys/ddi.h>
     int SV_SIGNAL(sv_t *svp);

   Arguments
     svp       Pointer to the synchronization variable to be signaled.

DESCRIPTION
     If one or more processes are blocked on the synchronization variable
     specified by svp, SV_SIGNAL wakes up a single blocked process.  Note that
     synchronization variables are stateless -- calls to SV_SIGNAL only affect
     processes currently blocked on the synchronization variable.

   Return Values
     Returns 1 if a process was unblocked, 0 otherwise.

   Level
     Base or Interrupt.

   Synchronization Constraints
     Does not sleep.

     Driver-defined basic locks and read/write locks may be held across calls
     to this function.

REFERENCES
     SV_ALLOC(D3), SV_INIT(D3), SV_DEALLOC(D3), SV_DESTROY(D3), SV_WAIT(D3),
     SV_WAIT_SIG(D3), SV_BROADCAST(D3).

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