#include "opt_witness.h"
#include "opt_kdtrace.h"
#include "opt_hwpmc_hooks.h"
#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/proc.h>
#include <sys/rangelock.h>
#include <sys/resourcevar.h>
#include <sys/sdt.h>
#include <sys/smp.h>
#include <sys/sched.h>
#include <sys/sleepqueue.h>
#include <sys/selinfo.h>
#include <sys/turnstile.h>
#include <sys/ktr.h>
#include <sys/rwlock.h>
#include <sys/umtx.h>
#include <sys/cpuset.h>
#include <security/audit/audit.h>
#include <vm/vm.h>
#include <vm/vm_extern.h>
#include <vm/uma.h>
#include <sys/eventhandler.h>

Include dependency graph for kern_thread.c:

Macros
#define	TID_BUFFER_SIZE 1024

#define	RUN_THRESH 16

Functions
	__FBSDID ("$BSDSUniX$")

	SDT_PROVIDER_DECLARE (proc)

	SDT_PROBE_DEFINE (proc,,, lwp__exit)

	TAILQ_HEAD (thread)

static void	tid_free (lwpid_t tid)

static int	thread_ctor (void mem, int size, void arg, int flags)

static void	thread_dtor (void mem, int size, void arg)

static int	thread_init (void *mem, int size, int flags)

static void	thread_fini (void *mem, int size)

void	proc_linkup0 (struct proc p, struct thread td)

void	proc_linkup (struct proc p, struct thread td)

void	threadinit (void)

void	thread_zombie (struct thread *td)

void	thread_stash (struct thread *td)

void	thread_reap (void)

struct thread *	thread_alloc (int pages)

int	thread_alloc_stack (struct thread *td, int pages)

void	thread_free (struct thread *td)

void	thread_exit (void)

void	thread_wait (struct proc *p)

void	thread_link (struct thread td, struct proc p)

void	thread_unthread (struct thread *td)

void	thread_unlink (struct thread *td)

static int	calc_remaining (struct proc *p, int mode)

int	thread_single (int mode)

int	thread_suspend_check (int return_instead)

void	thread_suspend_switch (struct thread *td)

void	thread_suspend_one (struct thread *td)

int	thread_unsuspend_one (struct thread *td)

void	thread_unsuspend (struct proc *p)

void	thread_single_end (void)

struct thread *	thread_find (struct proc *p, lwpid_t tid)

struct thread *	tdfind (lwpid_t tid, pid_t pid)

void	tidhash_add (struct thread *td)

void	tidhash_remove (struct thread *td)

Variables
static uma_zone_t	thread_zone

Macro Definition Documentation

#define RUN_THRESH 16

Referenced by tdfind().

#define TID_BUFFER_SIZE 1024

Referenced by tid_free().

Function Documentation

__FBSDID ( "$BSDSUniX$" )

static int calc_remaining	(	struct proc *	p,
		int	mode
	)

static

Definition at line 585 of file kern_thread.c.

References panic().

Referenced by thread_single().

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void proc_linkup	(	struct proc *	p,
		struct thread *	td
	)

Definition at line 252 of file kern_thread.c.

References ksiginfo_alloc(), sigqueue_init(), and thread_link().

Referenced by fork1(), and proc_linkup0().

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void proc_linkup0	(	struct proc *	p,
		struct thread *	td
	)

Definition at line 245 of file kern_thread.c.

References proc_linkup().

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SDT_PROBE_DEFINE	(	proc	,
		lwp__exit
	)

SDT_PROVIDER_DECLARE ( proc )

TAILQ_HEAD ( thread )

Definition at line 74 of file kern_thread.c.

struct thread* tdfind	(	lwpid_t	tid,
		pid_t	pid
	)

Definition at line 1006 of file kern_thread.c.

References RUN_THRESH.

Referenced by cpuset_which(), get_cputime(), kern_ptrace(), sigev_findtd(), sys_rtprio_thread(), sys_thr_kill(), sys_thr_kill2(), sys_thr_set_name(), sys_thr_wake(), and umtxq_sleep_pi().

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struct thread* thread_alloc ( int pages )

Definition at line 342 of file kern_thread.c.

References thread_reap(), and thread_zone.

Referenced by create_thread(), fork1(), and kthread_add().

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int thread_alloc_stack	(	struct thread *	td,
		int	pages
	)

Definition at line 359 of file kern_thread.c.

Referenced by fork1().

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static int thread_ctor	(	void *	mem,
		int	size,
		void *	arg,
		int	flags
	)

static

Definition at line 132 of file kern_thread.c.

References umtx_thread_alloc().

Referenced by init_dtrace(), proc0_init(), and threadinit().

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static void thread_dtor	(	void *	mem,
		int	size,
		void *	arg
	)

static

Definition at line 161 of file kern_thread.c.

References panic(), and tid_free().

Referenced by init_dtrace(), and threadinit().

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void thread_exit ( void )

Definition at line 397 of file kern_thread.c.

References cpu_ticks, Giant, panic(), rucollect(), ruxagg(), sched_exit_thread(), sched_throw(), thread_unlink(), thread_unsuspend_one(), ticks, umtx_thread_exit(), and witness_thread_exit().

Referenced by exit1(), kthread_exit(), sys_thr_exit(), and thread_suspend_check().

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struct thread* thread_find	(	struct proc *	p,
		lwpid_t	tid
	)

Definition at line 992 of file kern_thread.c.

static void thread_fini	(	void *	mem,
		int	size
	)

static

Definition at line 223 of file kern_thread.c.

References rlqentry_free(), seltdfini(), sleepq_free(), turnstile_free(), and umtx_thread_fini().

Referenced by threadinit().

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void thread_free ( struct thread * td )

Definition at line 374 of file kern_thread.c.

References cpuset_rel(), and thread_zone.

Referenced by create_thread(), proc_fini(), and thread_reap().

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static int thread_init	(	void *	mem,
		int	size,
		int	flags
	)

static

Definition at line 201 of file kern_thread.c.

References sleepq_alloc(), turnstile_alloc(), and umtx_thread_init().

Referenced by proc0_init(), and threadinit().

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void thread_link	(	struct thread *	td,
		struct proc *	p
	)

Definition at line 535 of file kern_thread.c.

References callout_init(), and sigqueue_init().

Referenced by create_thread(), kthread_add(), and proc_linkup().

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void thread_reap ( void )

Definition at line 314 of file kern_thread.c.

References crfree(), and thread_free().

Referenced by thread_alloc(), and thread_wait().

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int thread_single ( int mode )

Definition at line 616 of file kern_thread.c.

References calc_remaining(), Giant, sleepq_abort(), thread_suspend_switch(), thread_unsuspend_one(), and thread_unthread().

Referenced by exit1(), fork_norfproc(), kern_execve(), and sigexit().

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void thread_single_end ( void )

Definition at line 958 of file kern_thread.c.

References thread_unsuspend_one().

Referenced by fork_norfproc(), and kern_execve().

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void thread_stash ( struct thread * td )

Definition at line 304 of file kern_thread.c.

References thread_zombie().

Referenced by fork_exit(), and mi_switch().

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int thread_suspend_check ( int return_instead )

Definition at line 767 of file kern_thread.c.

References Giant, mi_switch(), tdsigcleanup(), thread_exit(), thread_stopped(), thread_suspend_one(), thread_unsuspend_one(), and tidhash_remove().

Referenced by ast(), exit1(), kern_sigsuspend(), and sleepq_catch_signals().

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void thread_suspend_one ( struct thread * td )

Definition at line 893 of file kern_thread.c.

References sched_sleep().

Referenced by sig_suspend_threads(), and thread_suspend_check().

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void thread_suspend_switch ( struct thread * td )

Definition at line 864 of file kern_thread.c.

References mi_switch(), sched_sleep(), and thread_stopped().

Referenced by issignal(), ptracestop(), and thread_single().

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void thread_unlink ( struct thread * td )

Definition at line 573 of file kern_thread.c.

Referenced by thread_exit().

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void thread_unsuspend ( struct proc * p )

Definition at line 923 of file kern_thread.c.

References thread_unsuspend_one().

Referenced by kern_ptrace(), and tdsendsignal().

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int thread_unsuspend_one ( struct thread * td )

Definition at line 907 of file kern_thread.c.

References setrunnable().

Referenced by thread_exit(), thread_single(), thread_single_end(), thread_suspend_check(), and thread_unsuspend().

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void thread_unthread ( struct thread * td )

Definition at line 560 of file kern_thread.c.

Referenced by thread_single().

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void thread_wait ( struct proc * p )

Definition at line 508 of file kern_thread.c.

References cpuset_rel(), crfree(), Giant, sched_relinquish(), and thread_reap().

Referenced by proc_reap().

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void thread_zombie ( struct thread * td )

Definition at line 293 of file kern_thread.c.

Referenced by thread_stash().

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void threadinit ( void )

Definition at line 270 of file kern_thread.c.

References hashinit(), maxproc, mtx_init(), new_unrhdr(), sched_sizeof_thread(), thread_ctor(), thread_dtor(), thread_fini(), thread_init(), and thread_zone.

Referenced by proc0_init().

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static void tid_free ( lwpid_t tid )

static

Definition at line 112 of file kern_thread.c.

References free_unr(), and TID_BUFFER_SIZE.

Referenced by thread_dtor().

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void tidhash_add ( struct thread * td )

Definition at line 1043 of file kern_thread.c.

Referenced by create_thread(), do_fork(), and kthread_add().

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void tidhash_remove ( struct thread * td )

Definition at line 1051 of file kern_thread.c.

Referenced by exit1(), and thread_suspend_check().

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Variable Documentation

uma_zone_t thread_zone

static

Definition at line 72 of file kern_thread.c.

Referenced by thread_alloc(), thread_free(), and threadinit().

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation