kern_thr.c File Reference

#include <sys/cdefs.h>
#include "opt_compat.h"
#include "opt_posix.h"
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/priv.h>
#include <sys/proc.h>
#include <sys/posix4.h>
#include <sys/racct.h>
#include <sys/resourcevar.h>
#include <sys/rwlock.h>
#include <sys/sched.h>
#include <sys/sysctl.h>
#include <sys/smp.h>
#include <sys/syscallsubr.h>
#include <sys/sysent.h>
#include <sys/systm.h>
#include <sys/sysproto.h>
#include <sys/signalvar.h>
#include <sys/ucontext.h>
#include <sys/thr.h>
#include <sys/rtprio.h>
#include <sys/umtx.h>
#include <sys/limits.h>
#include <machine/frame.h>
#include <security/audit/audit.h>

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Macros
#define	suword_lwpid   suword

Functions
	__FBSDID ("$BSDSUniX$")
static	SYSCTL_NODE (_kern, OID_AUTO, threads, CTLFLAG_RW, 0,"thread allocation")
	SYSCTL_INT (_kern_threads, OID_AUTO, max_threads_per_proc, CTLFLAG_RW,&max_threads_per_proc, 0,"Limit on threads per proc")
	SYSCTL_INT (_kern_threads, OID_AUTO, max_threads_hits, CTLFLAG_RD,&max_threads_hits, 0,"")
static int	create_thread (struct thread *td, mcontext_t *ctx, void(*start_func)(void *), void *arg, char *stack_base, size_t stack_size, char *tls_base, long *child_tid, long *parent_tid, int flags, struct rtprio *rtp)
int	sys_thr_create (struct thread *td, struct thr_create_args *uap)
int	sys_thr_new (struct thread *td, struct thr_new_args *uap)
int	kern_thr_new (struct thread *td, struct thr_param *param)
int	sys_thr_self (struct thread *td, struct thr_self_args *uap)
int	sys_thr_exit (struct thread *td, struct thr_exit_args *uap)
int	sys_thr_kill (struct thread *td, struct thr_kill_args *uap)
int	sys_thr_kill2 (struct thread *td, struct thr_kill2_args *uap)
int	sys_thr_suspend (struct thread *td, struct thr_suspend_args *uap)
int	kern_thr_suspend (struct thread *td, struct timespec *tsp)
int	sys_thr_wake (struct thread *td, struct thr_wake_args *uap)
int	sys_thr_set_name (struct thread *td, struct thr_set_name_args *uap)

Variables
static int	max_threads_per_proc = 1500
static int	max_threads_hits

Macro Definition Documentation

#define suword_lwpid   suword

Definition at line 87 of file kern_thr.c.

Referenced by create_thread(), sys_thr_exit(), and sys_thr_self().

Function Documentation

__FBSDID

(

"$BSDSUniX$"

)

static int create_thread ( struct thread *  td, mcontext_t *  ctx, void(*)(void *)  start_func, void *  arg, char *  stack_base, size_t  stack_size, char *  tls_base, long *  child_tid, long *  parent_tid, int  flags, struct rtprio *  rtp  )

static

Definition at line 151 of file kern_thr.c.

References crfree(), crhold(), max_threads_hits, max_threads_per_proc, priv_check(), racct_add(), racct_sub(), rtp_to_pri(), sched_add(), sched_fork_thread(), sched_prio(), suword_lwpid, thread_alloc(), thread_free(), thread_link(), and tidhash_add().

Referenced by kern_thr_new(), and sys_thr_create().

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int kern_thr_new	(	struct thread *	td,
		struct thr_param *	param
	)

Definition at line 131 of file kern_thr.c.

References create_thread().

Referenced by sys_thr_new().

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int kern_thr_suspend	(	struct thread *	td,
		struct timespec *	tsp
	)

Definition at line 465 of file kern_thr.c.

References tvtohz().

Referenced by sys_thr_suspend().

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int sys_thr_create	(	struct thread *	td,
		struct thr_create_args *	uap
	)

Definition at line 101 of file kern_thr.c.

References create_thread().

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int sys_thr_exit	(	struct thread *	td,
		struct thr_exit_args *	uap
	)

Definition at line 306 of file kern_thr.c.

References kern_umtx_wake(), racct_sub(), suword_lwpid, tdsigcleanup(), thread_exit(), and thread_stopped().

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int sys_thr_kill	(	struct thread *	td,
		struct thr_kill_args *	uap
	)

Definition at line 343 of file kern_thr.c.

References tdfind(), and tdksignal().

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int sys_thr_kill2	(	struct thread *	td,
		struct thr_kill2_args *	uap
	)

Definition at line 390 of file kern_thr.c.

References p_cansignal(), pfind(), tdfind(), and tdksignal().

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int sys_thr_new	(	struct thread *	td,
		struct thr_new_args *	uap
	)

Definition at line 116 of file kern_thr.c.

References kern_thr_new().

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int sys_thr_self	(	struct thread *	td,
		struct thr_self_args *	uap
	)

Definition at line 294 of file kern_thr.c.

References suword_lwpid.

int sys_thr_set_name	(	struct thread *	td,
		struct thr_set_name_args *	uap
	)

Definition at line 533 of file kern_thr.c.

References name, and tdfind().

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int sys_thr_suspend	(	struct thread *	td,
		struct thr_suspend_args *	uap
	)

Definition at line 447 of file kern_thr.c.

References kern_thr_suspend(), ts, and umtx_copyin_timeout().

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int sys_thr_wake	(	struct thread *	td,
		struct thr_wake_args *	uap
	)

Definition at line 509 of file kern_thr.c.

References tdfind(), and wakeup().

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SYSCTL_INT	(	_kern_threads	,
		OID_AUTO	,
		max_threads_per_proc	,
		CTLFLAG_RW	,
		&	max_threads_per_proc,
		0	,
		"Limit on threads per proc"
	)

SYSCTL_INT	(	_kern_threads	,
		OID_AUTO	,
		max_threads_hits	,
		CTLFLAG_RD	,
		&	max_threads_hits,
		0	,
		""
	)

static SYSCTL_NODE ( _kern  , OID_AUTO  , threads  , CTLFLAG_RW  , 0  , "thread allocation"    )

static

Variable Documentation

int max_threads_hits

static

Definition at line 68 of file kern_thr.c.

Referenced by create_thread().

int max_threads_per_proc = 1500

static

Definition at line 64 of file kern_thr.c.

Referenced by create_thread().