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Shell Programming and Scripting
while condition error:
Post 302623411 by 47shailesh on Friday 13th of April 2012 01:17:44 PM
04-13-2012
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LEARN ABOUT OPENSOLARIS
_lwp_cond_broadcast
_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)