1*c54f35caSApple OSS Distributions<h2>thread_create</h2> 2*c54f35caSApple OSS Distributions<hr> 3*c54f35caSApple OSS Distributions<p> 4*c54f35caSApple OSS Distributions<strong>Function</strong> - Create a thread within a task. 5*c54f35caSApple OSS Distributions<h3>SYNOPSIS</h3> 6*c54f35caSApple OSS Distributions<pre> 7*c54f35caSApple OSS Distributions<strong>kern_return_t thread_create</strong> 8*c54f35caSApple OSS Distributions <strong>(task_t</strong> <var>parent_task</var>, 9*c54f35caSApple OSS Distributions <strong>thread_act_t</strong> <var>child_thread</var><strong>);</strong> 10*c54f35caSApple OSS Distributions</pre> 11*c54f35caSApple OSS Distributions<h3>PARAMETERS</h3> 12*c54f35caSApple OSS Distributions<dl> 13*c54f35caSApple OSS Distributions<p> 14*c54f35caSApple OSS Distributions<dt> <var>parent_task</var> 15*c54f35caSApple OSS Distributions<dd> 16*c54f35caSApple OSS Distributions[in task send right] 17*c54f35caSApple OSS DistributionsThe port for the task that is to contain the new 18*c54f35caSApple OSS Distributionsthread. 19*c54f35caSApple OSS Distributions<p> 20*c54f35caSApple OSS Distributions<dt> <var>child_thread</var> 21*c54f35caSApple OSS Distributions<dd> 22*c54f35caSApple OSS Distributions[out thread send right] 23*c54f35caSApple OSS DistributionsThe kernel-assigned name for the new thread. 24*c54f35caSApple OSS Distributions</dl> 25*c54f35caSApple OSS Distributions<h3>DESCRIPTION</h3> 26*c54f35caSApple OSS Distributions<p> 27*c54f35caSApple OSS DistributionsThe <strong>thread_create</strong> function creates a new thread within 28*c54f35caSApple OSS Distributions<var>parent_task</var>. The new thread has a suspend count of one and 29*c54f35caSApple OSS Distributionsno processor state. 30*c54f35caSApple OSS Distributions<p> 31*c54f35caSApple OSS DistributionsThe new thread holds a send right for its thread kernel port. 32*c54f35caSApple OSS DistributionsA send right for the 33*c54f35caSApple OSS Distributionsthread's kernel port is also returned to the calling task or 34*c54f35caSApple OSS Distributionsthread in <var>child_thread</var>. 35*c54f35caSApple OSS DistributionsThe new thread's exception ports are set to <strong>MACH_PORT_NULL</strong>. 36*c54f35caSApple OSS Distributions<h3>NOTES</h3> 37*c54f35caSApple OSS Distributions<p> 38*c54f35caSApple OSS DistributionsTo get a new thread running, first use <strong>thread_set_state</strong> 39*c54f35caSApple OSS Distributionsto set a processor state 40*c54f35caSApple OSS Distributionsfor the thread. Then, use <strong>thread_resume</strong> to schedule 41*c54f35caSApple OSS Distributionsthe thread for execution. 42*c54f35caSApple OSS DistributionsAlternately, use <strong>thread_create_running</strong>. 43*c54f35caSApple OSS Distributions<h3>RETURN VALUES</h3> 44*c54f35caSApple OSS Distributions<p> 45*c54f35caSApple OSS DistributionsOnly generic errors apply. 46*c54f35caSApple OSS Distributions<h3>RELATED INFORMATION</h3> 47*c54f35caSApple OSS Distributions<p> 48*c54f35caSApple OSS DistributionsFunctions: 49*c54f35caSApple OSS Distributions<a href="task_create.html"><strong>task_create</strong></a>, 50*c54f35caSApple OSS Distributions<a href="task_threads.html"><strong>task_threads</strong></a>, 51*c54f35caSApple OSS Distributions<a href="thread_get_special_port.html"><strong>thread_get_special_port</strong></a>, 52*c54f35caSApple OSS Distributions<a href="thread_get_state.html"><strong>thread_get_state</strong></a>, 53*c54f35caSApple OSS Distributions<a href="thread_resume.html"><strong>thread_resume</strong></a>, 54*c54f35caSApple OSS Distributions<a href="thread_set_special_port.html"><strong>thread_set_special_port</strong></a>, 55*c54f35caSApple OSS Distributions<a href="thread_set_state.html"><strong>thread_set_state</strong></a>, 56*c54f35caSApple OSS Distributions<a href="thread_suspend.html"><strong>thread_suspend</strong></a>, 57*c54f35caSApple OSS Distributions<a href="thread_terminate.html"><strong>thread_terminate</strong></a>, 58*c54f35caSApple OSS Distributions<a href="thread_create_running.html"><strong>thread_create_running</strong></a>. 59