1*bbb1b6f9SApple OSS Distributions<h2>thread_create</h2> 2*bbb1b6f9SApple OSS Distributions<hr> 3*bbb1b6f9SApple OSS Distributions<p> 4*bbb1b6f9SApple OSS Distributions<strong>Function</strong> - Create a thread within a task. 5*bbb1b6f9SApple OSS Distributions<h3>SYNOPSIS</h3> 6*bbb1b6f9SApple OSS Distributions<pre> 7*bbb1b6f9SApple OSS Distributions<strong>kern_return_t thread_create</strong> 8*bbb1b6f9SApple OSS Distributions <strong>(task_t</strong> <var>parent_task</var>, 9*bbb1b6f9SApple OSS Distributions <strong>thread_act_t</strong> <var>child_thread</var><strong>);</strong> 10*bbb1b6f9SApple OSS Distributions</pre> 11*bbb1b6f9SApple OSS Distributions<h3>PARAMETERS</h3> 12*bbb1b6f9SApple OSS Distributions<dl> 13*bbb1b6f9SApple OSS Distributions<p> 14*bbb1b6f9SApple OSS Distributions<dt> <var>parent_task</var> 15*bbb1b6f9SApple OSS Distributions<dd> 16*bbb1b6f9SApple OSS Distributions[in task send right] 17*bbb1b6f9SApple OSS DistributionsThe port for the task that is to contain the new 18*bbb1b6f9SApple OSS Distributionsthread. 19*bbb1b6f9SApple OSS Distributions<p> 20*bbb1b6f9SApple OSS Distributions<dt> <var>child_thread</var> 21*bbb1b6f9SApple OSS Distributions<dd> 22*bbb1b6f9SApple OSS Distributions[out thread send right] 23*bbb1b6f9SApple OSS DistributionsThe kernel-assigned name for the new thread. 24*bbb1b6f9SApple OSS Distributions</dl> 25*bbb1b6f9SApple OSS Distributions<h3>DESCRIPTION</h3> 26*bbb1b6f9SApple OSS Distributions<p> 27*bbb1b6f9SApple OSS DistributionsThe <strong>thread_create</strong> function creates a new thread within 28*bbb1b6f9SApple OSS Distributions<var>parent_task</var>. The new thread has a suspend count of one and 29*bbb1b6f9SApple OSS Distributionsno processor state. 30*bbb1b6f9SApple OSS Distributions<p> 31*bbb1b6f9SApple OSS DistributionsThe new thread holds a send right for its thread kernel port. 32*bbb1b6f9SApple OSS DistributionsA send right for the 33*bbb1b6f9SApple OSS Distributionsthread's kernel port is also returned to the calling task or 34*bbb1b6f9SApple OSS Distributionsthread in <var>child_thread</var>. 35*bbb1b6f9SApple OSS DistributionsThe new thread's exception ports are set to <strong>MACH_PORT_NULL</strong>. 36*bbb1b6f9SApple OSS Distributions<h3>NOTES</h3> 37*bbb1b6f9SApple OSS Distributions<p> 38*bbb1b6f9SApple OSS DistributionsTo get a new thread running, first use <strong>thread_set_state</strong> 39*bbb1b6f9SApple OSS Distributionsto set a processor state 40*bbb1b6f9SApple OSS Distributionsfor the thread. Then, use <strong>thread_resume</strong> to schedule 41*bbb1b6f9SApple OSS Distributionsthe thread for execution. 42*bbb1b6f9SApple OSS DistributionsAlternately, use <strong>thread_create_running</strong>. 43*bbb1b6f9SApple OSS Distributions<h3>RETURN VALUES</h3> 44*bbb1b6f9SApple OSS Distributions<p> 45*bbb1b6f9SApple OSS DistributionsOnly generic errors apply. 46*bbb1b6f9SApple OSS Distributions<h3>RELATED INFORMATION</h3> 47*bbb1b6f9SApple OSS Distributions<p> 48*bbb1b6f9SApple OSS DistributionsFunctions: 49*bbb1b6f9SApple OSS Distributions<a href="task_create.html"><strong>task_create</strong></a>, 50*bbb1b6f9SApple OSS Distributions<a href="task_threads.html"><strong>task_threads</strong></a>, 51*bbb1b6f9SApple OSS Distributions<a href="thread_get_special_port.html"><strong>thread_get_special_port</strong></a>, 52*bbb1b6f9SApple OSS Distributions<a href="thread_get_state.html"><strong>thread_get_state</strong></a>, 53*bbb1b6f9SApple OSS Distributions<a href="thread_resume.html"><strong>thread_resume</strong></a>, 54*bbb1b6f9SApple OSS Distributions<a href="thread_set_special_port.html"><strong>thread_set_special_port</strong></a>, 55*bbb1b6f9SApple OSS Distributions<a href="thread_set_state.html"><strong>thread_set_state</strong></a>, 56*bbb1b6f9SApple OSS Distributions<a href="thread_suspend.html"><strong>thread_suspend</strong></a>, 57*bbb1b6f9SApple OSS Distributions<a href="thread_terminate.html"><strong>thread_terminate</strong></a>, 58*bbb1b6f9SApple OSS Distributions<a href="thread_create_running.html"><strong>thread_create_running</strong></a>. 59