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/*
* Written by Joel Sherrill <joel.sherrill@OARcorp.com>.
*
* COPYRIGHT (c) 1989-2013, 2015.
* On-Line Applications Research Corporation (OAR).
*
* Permission to use, copy, modify, and distribute this software for any
* purpose without fee is hereby granted, provided that this entire notice
* is included in all copies of any software which is or includes a copy
* or modification of this software.
*
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTY. IN PARTICULAR, THE AUTHOR MAKES NO REPRESENTATION
* OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY OF THIS
* SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
*/
#ifndef _SYS__PTHREADTYPES_H_
#define _SYS__PTHREADTYPES_H_
#if defined(_POSIX_THREADS)
#include <sys/sched.h>
#include <sys/cpuset.h>
#include <sys/lock.h>
/*
* 2.5 Primitive System Data Types, P1003.1c/D10, p. 19.
*/
typedef __uint32_t pthread_t; /* identify a thread */
/* P1003.1c/D10, p. 118-119 */
#define PTHREAD_SCOPE_PROCESS 0
#define PTHREAD_SCOPE_SYSTEM 1
/* P1003.1c/D10, p. 111 */
#define PTHREAD_INHERIT_SCHED 1 /* scheduling policy and associated */
/* attributes are inherited from */
/* the calling thread. */
#define PTHREAD_EXPLICIT_SCHED 2 /* set from provided attribute object */
/* P1003.1c/D10, p. 141 */
#define PTHREAD_CREATE_DETACHED 0
#define PTHREAD_CREATE_JOINABLE 1
typedef struct {
int is_initialized;
void *stackaddr;
int stacksize;
int contentionscope;
int inheritsched;
int schedpolicy;
struct sched_param schedparam;
size_t guardsize;
/* P1003.4b/D8, p. 54 adds cputime_clock_allowed attribute. */
#if defined(_POSIX_THREAD_CPUTIME)
int cputime_clock_allowed; /* see time.h */
#endif
int detachstate;
size_t affinitysetsize;
cpu_set_t *affinityset;
cpu_set_t affinitysetpreallocated;
} pthread_attr_t;
#if defined(_POSIX_THREAD_PROCESS_SHARED)
/* NOTE: P1003.1c/D10, p. 81 defines following values for process_shared. */
#define PTHREAD_PROCESS_PRIVATE 0 /* visible within only the creating process */
#define PTHREAD_PROCESS_SHARED 1 /* visible too all processes with access to */
/* the memory where the resource is */
/* located */
#endif
#if defined(_POSIX_THREAD_PRIO_PROTECT)
/* Mutexes */
/* Values for blocking protocol. */
#define PTHREAD_PRIO_NONE 0
#define PTHREAD_PRIO_INHERIT 1
#define PTHREAD_PRIO_PROTECT 2
#endif
#if defined(_UNIX98_THREAD_MUTEX_ATTRIBUTES)
/* Values for mutex type */
/* The following defines are part of the X/Open System Interface (XSI). */
/*
* This type of mutex does not detect deadlock. A thread attempting to
* relock this mutex without first unlocking it shall deadlock. Attempting
* to unlock a mutex locked by a different thread results in undefined
* behavior. Attempting to unlock an unlocked mutex results in undefined
* behavior.
*/
#define PTHREAD_MUTEX_NORMAL 0
/*
* A thread attempting to relock this mutex without first unlocking
* it shall succeed in locking the mutex. The relocking deadlock which
* can occur with mutexes of type PTHREAD_MUTEX_NORMAL cannot occur with
* this type of mutex. Multiple locks of this mutex shall require the
* same number of unlocks to release the mutex before another thread can
* acquire the mutex. A thread attempting to unlock a mutex which another
* thread has locked shall return with an error. A thread attempting to
* unlock an unlocked mutex shall return with an error.
*/
#define PTHREAD_MUTEX_RECURSIVE 1
/*
* This type of mutex provides error checking. A thread attempting
* to relock this mutex without first unlocking it shall return with an
* error. A thread attempting to unlock a mutex which another thread has
* locked shall return with an error. A thread attempting to unlock an
* unlocked mutex shall return with an error.
*/
#define PTHREAD_MUTEX_ERRORCHECK 2
/*
* Attempting to recursively lock a mutex of this type results
* in undefined behavior. Attempting to unlock a mutex of this type
* which was not locked by the calling thread results in undefined
* behavior. Attempting to unlock a mutex of this type which is not locked
* results in undefined behavior. An implementation may map this mutex to
* one of the other mutex types.
*/
#define PTHREAD_MUTEX_DEFAULT 3
#endif /* !defined(_UNIX98_THREAD_MUTEX_ATTRIBUTES) */
typedef __uint32_t pthread_mutex_t; /* identify a mutex */
#define _PTHREAD_MUTEX_INITIALIZER ((pthread_mutex_t) 0xFFFFFFFF)
typedef struct {
int is_initialized;
#if defined(_POSIX_THREAD_PROCESS_SHARED)
int process_shared; /* allow mutex to be shared amongst processes */
#endif
#if defined(_POSIX_THREAD_PRIO_PROTECT)
int prio_ceiling;
int protocol;
#endif
#if defined(_UNIX98_THREAD_MUTEX_ATTRIBUTES)
int type;
#endif
int recursive;
} pthread_mutexattr_t;
/* Condition Variables */
typedef __uint32_t pthread_cond_t; /* identify a condition variable */
#define _PTHREAD_COND_INITIALIZER ((pthread_cond_t) 0xFFFFFFFF)
typedef struct {
int is_initialized;
clock_t clock; /* specifiy clock for timeouts */
#if defined(_POSIX_THREAD_PROCESS_SHARED)
int process_shared; /* allow this to be shared amongst processes */
#endif
} pthread_condattr_t; /* a condition attribute object */
/* Keys */
typedef __uint32_t pthread_key_t; /* thread-specific data keys */
typedef struct {
int is_initialized; /* is this structure initialized? */
int init_executed; /* has the initialization routine been run? */
} pthread_once_t; /* dynamic package initialization */
#define _PTHREAD_ONCE_INIT { 1, 0 } /* is initialized and not run */
#endif /* defined(_POSIX_THREADS) */
/* POSIX Barrier Types */
#if defined(_POSIX_BARRIERS)
typedef __uint32_t pthread_barrier_t; /* POSIX Barrier Object */
typedef struct {
int is_initialized; /* is this structure initialized? */
#if defined(_POSIX_THREAD_PROCESS_SHARED)
int process_shared; /* allow this to be shared amongst processes */
#endif
} pthread_barrierattr_t;
#endif /* defined(_POSIX_BARRIERS) */
/* POSIX Spin Lock Types */
#if defined(_POSIX_SPIN_LOCKS)
typedef struct {
struct _Ticket_lock_Control _Lock;
__uint32_t _interrupt_state;
} pthread_spinlock_t; /* POSIX Spin Lock Object */
#endif /* defined(_POSIX_SPIN_LOCKS) */
/* POSIX Reader/Writer Lock Types */
#if defined(_POSIX_READER_WRITER_LOCKS)
typedef __uint32_t pthread_rwlock_t; /* POSIX RWLock Object */
#define _PTHREAD_RWLOCK_INITIALIZER ((pthread_rwlock_t) 0xFFFFFFFF)
typedef struct {
int is_initialized; /* is this structure initialized? */
#if defined(_POSIX_THREAD_PROCESS_SHARED)
int process_shared; /* allow this to be shared amongst processes */
#endif
} pthread_rwlockattr_t;
#endif /* defined(_POSIX_READER_WRITER_LOCKS) */
#endif /* ! _SYS__PTHREADTYPES_H_ */
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