1*699cd480SApple OSS Distributions<h2>thread_create</h2> 2*699cd480SApple OSS Distributions<hr> 3*699cd480SApple OSS Distributions<p> 4*699cd480SApple OSS Distributions<strong>Function</strong> - Create a thread within a task. 5*699cd480SApple OSS Distributions<h3>SYNOPSIS</h3> 6*699cd480SApple OSS Distributions<pre> 7*699cd480SApple OSS Distributions<strong>kern_return_t thread_create</strong> 8*699cd480SApple OSS Distributions <strong>(task_t</strong> <var>parent_task</var>, 9*699cd480SApple OSS Distributions <strong>thread_act_t</strong> <var>child_thread</var><strong>);</strong> 10*699cd480SApple OSS Distributions</pre> 11*699cd480SApple OSS Distributions<h3>PARAMETERS</h3> 12*699cd480SApple OSS Distributions<dl> 13*699cd480SApple OSS Distributions<p> 14*699cd480SApple OSS Distributions<dt> <var>parent_task</var> 15*699cd480SApple OSS Distributions<dd> 16*699cd480SApple OSS Distributions[in task send right] 17*699cd480SApple OSS DistributionsThe port for the task that is to contain the new 18*699cd480SApple OSS Distributionsthread. 19*699cd480SApple OSS Distributions<p> 20*699cd480SApple OSS Distributions<dt> <var>child_thread</var> 21*699cd480SApple OSS Distributions<dd> 22*699cd480SApple OSS Distributions[out thread send right] 23*699cd480SApple OSS DistributionsThe kernel-assigned name for the new thread. 24*699cd480SApple OSS Distributions</dl> 25*699cd480SApple OSS Distributions<h3>DESCRIPTION</h3> 26*699cd480SApple OSS Distributions<p> 27*699cd480SApple OSS DistributionsThe <strong>thread_create</strong> function creates a new thread within 28*699cd480SApple OSS Distributions<var>parent_task</var>. The new thread has a suspend count of one and 29*699cd480SApple OSS Distributionsno processor state. 30*699cd480SApple OSS Distributions<p> 31*699cd480SApple OSS DistributionsThe new thread holds a send right for its thread kernel port. 32*699cd480SApple OSS DistributionsA send right for the 33*699cd480SApple OSS Distributionsthread's kernel port is also returned to the calling task or 34*699cd480SApple OSS Distributionsthread in <var>child_thread</var>. 35*699cd480SApple OSS DistributionsThe new thread's exception ports are set to <strong>MACH_PORT_NULL</strong>. 36*699cd480SApple OSS Distributions<h3>NOTES</h3> 37*699cd480SApple OSS Distributions<p> 38*699cd480SApple OSS DistributionsTo get a new thread running, first use <strong>thread_set_state</strong> 39*699cd480SApple OSS Distributionsto set a processor state 40*699cd480SApple OSS Distributionsfor the thread. Then, use <strong>thread_resume</strong> to schedule 41*699cd480SApple OSS Distributionsthe thread for execution. 42*699cd480SApple OSS DistributionsAlternately, use <strong>thread_create_running</strong>. 43*699cd480SApple OSS Distributions<h3>RETURN VALUES</h3> 44*699cd480SApple OSS Distributions<p> 45*699cd480SApple OSS DistributionsOnly generic errors apply. 46*699cd480SApple OSS Distributions<h3>RELATED INFORMATION</h3> 47*699cd480SApple OSS Distributions<p> 48*699cd480SApple OSS DistributionsFunctions: 49*699cd480SApple OSS Distributions<a href="task_create.html"><strong>task_create</strong></a>, 50*699cd480SApple OSS Distributions<a href="task_threads.html"><strong>task_threads</strong></a>, 51*699cd480SApple OSS Distributions<a href="thread_get_special_port.html"><strong>thread_get_special_port</strong></a>, 52*699cd480SApple OSS Distributions<a href="thread_get_state.html"><strong>thread_get_state</strong></a>, 53*699cd480SApple OSS Distributions<a href="thread_resume.html"><strong>thread_resume</strong></a>, 54*699cd480SApple OSS Distributions<a href="thread_set_special_port.html"><strong>thread_set_special_port</strong></a>, 55*699cd480SApple OSS Distributions<a href="thread_set_state.html"><strong>thread_set_state</strong></a>, 56*699cd480SApple OSS Distributions<a href="thread_suspend.html"><strong>thread_suspend</strong></a>, 57*699cd480SApple OSS Distributions<a href="thread_terminate.html"><strong>thread_terminate</strong></a>, 58*699cd480SApple OSS Distributions<a href="thread_create_running.html"><strong>thread_create_running</strong></a>. 59