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114 lines
3.8 KiB
C
114 lines
3.8 KiB
C
/* Copyright (C) 2007-2010 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \file
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*
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* \author Victor Julien <victor@inliniac.net>
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*/
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#ifndef __THREADVARS_H__
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#define __THREADVARS_H__
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#include "util-mpm.h"
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#include "util-affinity.h"
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#include "tm-queues.h"
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#include "counters.h"
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#include "threads.h"
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struct TmSlot_;
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/** Thread flags set and read by threads to control the threads */
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#define THV_USE 1 /** thread is in use */
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#define THV_INIT_DONE (1 << 1) /** thread initialization done */
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#define THV_PAUSE (1 << 2) /** signal thread to pause itself */
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#define THV_PAUSED (1 << 3) /** the thread is paused atm */
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#define THV_KILL (1 << 4) /** thread has been asked to cleanup and exit */
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#define THV_FAILED (1 << 5) /** thread has encountered an error and failed */
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#define THV_CLOSED (1 << 6) /** thread done, should be joinable */
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/* used to indicate the thread is going through de-init. Introduced as more
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* of a hack for solving stream-timeout-shutdown. Is set by the main thread. */
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#define THV_DEINIT (1 << 7)
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#define THV_RUNNING_DONE (1 << 8) /** thread has completed running and is entering
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* the de-init phase */
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/** Thread flags set and read by threads, to control the threads, when they
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* encounter certain conditions like failure */
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#define THV_RESTART_THREAD 0x01 /** restart the thread */
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#define THV_ENGINE_EXIT 0x02 /** shut the engine down gracefully */
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/** Maximum no of times a thread can be restarted */
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#define THV_MAX_RESTARTS 50
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/** \brief Per thread variable structure */
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typedef struct ThreadVars_ {
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pthread_t t;
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char *name;
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char *thread_group_name;
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SC_ATOMIC_DECLARE(unsigned short, flags);
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/** aof(action on failure) determines what should be done with the thread
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when it encounters certain conditions like failures */
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uint8_t aof;
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/** the type of thread as defined in tm-threads.h (TVT_PPT, TVT_MGMT) */
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uint8_t type;
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/** no of times the thread has been restarted on failure */
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uint8_t restarted;
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/** queue's */
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Tmq *inq;
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Tmq *outq;
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void *outctx;
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char *outqh_name;
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/** queue handlers */
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struct Packet_ * (*tmqh_in)(struct ThreadVars_ *);
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void (*InShutdownHandler)(struct ThreadVars_ *);
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void (*tmqh_out)(struct ThreadVars_ *, struct Packet_ *);
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/** slot functions */
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void *(*tm_func)(void *);
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struct TmSlot_ *tm_slots;
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uint8_t thread_setup_flags;
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uint16_t cpu_affinity; /** cpu or core number to set affinity to */
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int thread_priority; /** priority (real time) for this thread. Look at threads.h */
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/* the perf counter context and the perf counter array */
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SCPerfContext sc_perf_pctx;
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SCPerfCounterArray *sc_perf_pca;
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SCMutex *m;
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SCCondT *cond;
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uint8_t cap_flags; /**< Flags to indicate the capabilities of all the
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TmModules resgitered under this thread */
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struct ThreadVars_ *next;
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struct ThreadVars_ *prev;
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} ThreadVars;
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/** Thread setup flags: */
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#define THREAD_SET_AFFINITY 0x01 /** CPU/Core affinity */
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#define THREAD_SET_PRIORITY 0x02 /** Real time priority */
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#define THREAD_SET_AFFTYPE 0x04 /** Priority and affinity */
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#endif /* __THREADVARS_H__ */
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