1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>Internal Functions</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux Device Drivers"><link rel="up" href="Basics.html" title="Chapter 1. Driver Basics"><link rel="prev" href="API-work-on-cpu.html" title="work_on_cpu"><link rel="next" href="API-wait-task-stopped.html" title="wait_task_stopped"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Internal Functions</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-work-on-cpu.html">Prev</a> </td><th width="60%" align="center">Chapter 1. Driver Basics</th><td width="20%" align="right"> <a accesskey="n" href="API-wait-task-stopped.html">Next</a></td></tr></table><hr></div><div class="sect1"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="idp1107834732"></a>Internal Functions</h2></div></div></div><div class="toc"><dl class="toc"><dt><span class="refentrytitle"><a href="API-wait-task-stopped.html"><span class="phrase">wait_task_stopped</span></a></span><span class="refpurpose"> — 2 Wait for <code class="constant">TASK_STOPPED</code> or <code class="constant">TASK_TRACED</code> 3 </span></dt><dt><span class="refentrytitle"><a href="API-task-set-jobctl-pending.html"><span class="phrase">task_set_jobctl_pending</span></a></span><span class="refpurpose"> — 4 set jobctl pending bits 5 </span></dt><dt><span class="refentrytitle"><a href="API-task-clear-jobctl-trapping.html"><span class="phrase">task_clear_jobctl_trapping</span></a></span><span class="refpurpose"> — 6 clear jobctl trapping bit 7 </span></dt><dt><span class="refentrytitle"><a href="API-task-clear-jobctl-pending.html"><span class="phrase">task_clear_jobctl_pending</span></a></span><span class="refpurpose"> — 8 clear jobctl pending bits 9 </span></dt><dt><span class="refentrytitle"><a href="API-task-participate-group-stop.html"><span class="phrase">task_participate_group_stop</span></a></span><span class="refpurpose"> — 10 participate in a group stop 11 </span></dt><dt><span class="refentrytitle"><a href="API-ptrace-trap-notify.html"><span class="phrase">ptrace_trap_notify</span></a></span><span class="refpurpose"> — 12 schedule trap to notify ptracer 13 </span></dt><dt><span class="refentrytitle"><a href="API-do-notify-parent-cldstop.html"><span class="phrase">do_notify_parent_cldstop</span></a></span><span class="refpurpose"> — 14 notify parent of stopped/continued state change 15 </span></dt><dt><span class="refentrytitle"><a href="API-do-signal-stop.html"><span class="phrase">do_signal_stop</span></a></span><span class="refpurpose"> — 16 handle group stop for SIGSTOP and other stop signals 17 </span></dt><dt><span class="refentrytitle"><a href="API-do-jobctl-trap.html"><span class="phrase">do_jobctl_trap</span></a></span><span class="refpurpose"> — 18 take care of ptrace jobctl traps 19 </span></dt><dt><span class="refentrytitle"><a href="API-signal-delivered.html"><span class="phrase">signal_delivered</span></a></span><span class="refpurpose"> — 20 </span></dt><dt><span class="refentrytitle"><a href="API-sys-restart-syscall.html"><span class="phrase">sys_restart_syscall</span></a></span><span class="refpurpose"> — 21 restart a system call 22 </span></dt><dt><span class="refentrytitle"><a href="API-set-current-blocked.html"><span class="phrase">set_current_blocked</span></a></span><span class="refpurpose"> — 23 change current->blocked mask 24 </span></dt><dt><span class="refentrytitle"><a href="API-sys-rt-sigprocmask.html"><span class="phrase">sys_rt_sigprocmask</span></a></span><span class="refpurpose"> — 25 change the list of currently blocked signals 26 </span></dt><dt><span class="refentrytitle"><a href="API-sys-rt-sigpending.html"><span class="phrase">sys_rt_sigpending</span></a></span><span class="refpurpose"> — 27 examine a pending signal that has been raised while blocked 28 </span></dt><dt><span class="refentrytitle"><a href="API-do-sigtimedwait.html"><span class="phrase">do_sigtimedwait</span></a></span><span class="refpurpose"> — 29 wait for queued signals specified in <em class="parameter"><code>which</code></em> 30 </span></dt><dt><span class="refentrytitle"><a href="API-sys-rt-sigtimedwait.html"><span class="phrase">sys_rt_sigtimedwait</span></a></span><span class="refpurpose"> — 31 synchronously wait for queued signals specified in <em class="parameter"><code>uthese</code></em> 32 </span></dt><dt><span class="refentrytitle"><a href="API-sys-kill.html"><span class="phrase">sys_kill</span></a></span><span class="refpurpose"> — 33 send a signal to a process 34 </span></dt><dt><span class="refentrytitle"><a href="API-sys-tgkill.html"><span class="phrase">sys_tgkill</span></a></span><span class="refpurpose"> — 35 send signal to one specific thread 36 </span></dt><dt><span class="refentrytitle"><a href="API-sys-tkill.html"><span class="phrase">sys_tkill</span></a></span><span class="refpurpose"> — 37 send signal to one specific task 38 </span></dt><dt><span class="refentrytitle"><a href="API-sys-rt-sigqueueinfo.html"><span class="phrase">sys_rt_sigqueueinfo</span></a></span><span class="refpurpose"> — 39 send signal information to a signal 40 </span></dt><dt><span class="refentrytitle"><a href="API-sys-sigpending.html"><span class="phrase">sys_sigpending</span></a></span><span class="refpurpose"> — 41 examine pending signals 42 </span></dt><dt><span class="refentrytitle"><a href="API-sys-sigprocmask.html"><span class="phrase">sys_sigprocmask</span></a></span><span class="refpurpose"> — 43 examine and change blocked signals 44 </span></dt><dt><span class="refentrytitle"><a href="API-sys-rt-sigaction.html"><span class="phrase">sys_rt_sigaction</span></a></span><span class="refpurpose"> — 45 alter an action taken by a process 46 </span></dt><dt><span class="refentrytitle"><a href="API-sys-rt-sigsuspend.html"><span class="phrase">sys_rt_sigsuspend</span></a></span><span class="refpurpose"> — 47 replace the signal mask for a value with the <em class="parameter"><code>unewset</code></em> value until a signal is received 48 </span></dt><dt><span class="refentrytitle"><a href="API-kthread-run.html"><span class="phrase">kthread_run</span></a></span><span class="refpurpose"> — 49 create and wake a thread. 50 </span></dt><dt><span class="refentrytitle"><a href="API-kthread-should-stop.html"><span class="phrase">kthread_should_stop</span></a></span><span class="refpurpose"> — 51 should this kthread return now? 52 </span></dt><dt><span class="refentrytitle"><a href="API-kthread-freezable-should-stop.html"><span class="phrase">kthread_freezable_should_stop</span></a></span><span class="refpurpose"> — 53 should this freezable kthread return now? 54 </span></dt><dt><span class="refentrytitle"><a href="API-kthread-create-on-node.html"><span class="phrase">kthread_create_on_node</span></a></span><span class="refpurpose"> — 55 create a kthread. 56 </span></dt><dt><span class="refentrytitle"><a href="API-kthread-bind.html"><span class="phrase">kthread_bind</span></a></span><span class="refpurpose"> — 57 bind a just-created kthread to a cpu. 58 </span></dt><dt><span class="refentrytitle"><a href="API-kthread-stop.html"><span class="phrase">kthread_stop</span></a></span><span class="refpurpose"> — 59 stop a thread created by <code class="function">kthread_create</code>. 60 </span></dt><dt><span class="refentrytitle"><a href="API-kthread-worker-fn.html"><span class="phrase">kthread_worker_fn</span></a></span><span class="refpurpose"> — 61 kthread function to process kthread_worker 62 </span></dt><dt><span class="refentrytitle"><a href="API-queue-kthread-work.html"><span class="phrase">queue_kthread_work</span></a></span><span class="refpurpose"> — 63 queue a kthread_work 64 </span></dt><dt><span class="refentrytitle"><a href="API-flush-kthread-work.html"><span class="phrase">flush_kthread_work</span></a></span><span class="refpurpose"> — 65 flush a kthread_work 66 </span></dt><dt><span class="refentrytitle"><a href="API-flush-kthread-worker.html"><span class="phrase">flush_kthread_worker</span></a></span><span class="refpurpose"> — 67 flush all current works on a kthread_worker 68 </span></dt></dl></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-work-on-cpu.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="Basics.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-wait-task-stopped.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">work_on_cpu</span> </td><td 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