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OpenSolaris 2009.06 - man page for _lwp_suspend (opensolaris section 2)

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_lwp_suspend(2) 			   System Calls 			  _lwp_suspend(2)

       _lwp_suspend, _lwp_continue - continue or suspend LWP execution

       #include <sys/lwp.h>

       int _lwp_suspend(lwpid_t target_lwp);

       int _lwp_continue(lwpid_t target_lwp);

       The  _lwp_suspend()  function  immediately  suspends the execution of the LWP specified by
       target_lwp. On successful return from _lwp_suspend(), target_lwp is no  longer  executing.
       Once a thread is suspended, subsequent calls to _lwp_suspend() have no affect.

       The  _lwp_continue()  function  resumes the execution of a suspended LWP. Once a suspended
       LWP is continued, subsequent calls to _lwp_continue() have no effect.

       A suspended LWP will not be awakened by a signal. The signal stays pending until the  exe-
       cution of the LWP is resumed by _lwp_continue().

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

       If  the following condition occurs, _lwp_suspend() and _lwp_continue() fail and return the
       corresponding value:

       ESRCH	The target_lwpid argument cannot be found in the current process.

       See attributes(5) for descriptions of the following attributes:

       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       |MT-Level		     |Async-Signal-Safe 	   |


SunOS 5.11				   13 Aug 2001				  _lwp_suspend(2)
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