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positrtl.zip
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pthread.h
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2000-03-27
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/*
* Copyright (c) 1993, 1994 by Chris Provenzano, proven@mit.edu
* Copyright (c) 1995 by John Birrell <jb@cimlogic.com.au>
* All rights reserved
*
* Modified and extended by Antony T Curtis <antony.curtis@olcs.net>
* for use with OS/2.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Chris Provenzano.
* 4. The name of Chris Provenzano may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY CHRIS PROVENZANO ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL CHRIS PROVENZANO BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#ifndef _PTHREAD_H_
#define _PTHREAD_H_
#define EMX_PTHREAD_REV 6
#ifdef __MT__
/*
* Header files.
*/
#include <sys/cdefs.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/signal.h>
#include <sys/select.h>
#include <limits.h>
#include <unistd.h>
#if defined (__cplusplus)
extern "C" {
#endif
/* This should really be in time.h */
#ifndef HAVE_TIMESPEC
#define HAVE_TIMESPEC
struct timespec
{
long int tv_sec; /* Seconds. */
long int tv_nsec; /* Nanoseconds. */
};
#endif
/* This should really be in sys/fctrl.h */
#if !defined(F_RDLCK)
/* For posix fcntl() and `l_type' field of a `struct flock' for lockf(). */
#define F_RDLCK 0 /* Read lock. */
#define F_WRLCK 1 /* Write lock. */
#define F_UNLCK 2 /* Remove lock. */
#endif
#if !defined(F_SETLK)
#define F_SETLK 6 /* Set record locking info (non-blocking). */
#define F_SETLKW 7 /* Set record locking info (blocking). */
#ifdef PTHREAD_KERNEL
struct flock
{
short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
unsigned long l_start; /* Offset where the lock begins. */
unsigned long l_len; /* Size of the locked area; zero means until EOF. */
unsigned int l_pid; /* Process holding the lock. */
};
#else
int flock (int, int);
#endif
#endif
/*
* Run-time invariant values:
*/
#define PTHREAD_DESTRUCTOR_ITERATIONS 4
#define PTHREAD_KEYS_MAX 256
#define PTHREAD_STACK_MIN 1024
#define PTHREAD_THREADS_MAX ULONG_MAX
/*
* Compile time symbolic constants for portability specifications:
*
* Note that those commented out are not currently supported by the
* implementation.
*/
#define _POSIX_THREADS
/* #define _POSIX_THREAD_ATTR_STACKADDR */
/* #define _POSIX_THREAD_ATTR_STACKSIZE */
/* #define _POSIX_THREAD_PRIORITY_SCHEDULING */
/* #define _POSIX_THREAD_PRIO_INHERIT */
/* #define _POSIX_THREAD_PRIO_PROTECT */
/* #define _POSIX_THREAD_PROCESS_SHARED */
/* #define _POSIX_THREAD_SAFE_FUNCTIONS */
#define THREAD_SPECIFIC_SIGPIPE
/*
* Flags for threads and thread attributes.
*/
#define PTHREAD_DETACHED 0x1
#define PTHREAD_SCOPE_SYSTEM 0x2
#define PTHREAD_INHERIT_SCHED 0x4
#define PTHREAD_NOFLOAT 0x8
#define PTHREAD_CREATE_DETACHED PTHREAD_DETACHED
#define PTHREAD_CREATE_JOINABLE 0
#define PTHREAD_SCOPE_PROCESS 0
#define PTHREAD_EXPLICIT_SCHED 0
/*
* New pthread attribute types.
*/
enum schedparam_policy {
SCHED_RR,
SCHED_IO,
SCHED_FIFO,
SCHED_OTHER
};
/*
* Forward structure definitions.
*
* These are mostly opaque to the user.
*/
struct pthread;
struct pthread_attr;
struct pthread_cond;
struct pthread_cond_attr;
struct pthread_mutex;
struct pthread_mutex_attr;
struct pthread_once;
struct sched_param;
/*
* Primitive system data type definitions required by P1003.1c.
*
* Note that P1003.1c specifies that there are no defined comparison
* or assignment operators for the types pthread_attr_t, pthread_cond_t,
* pthread_condattr_t, pthread_mutex_t, pthread_mutexattr_t.
*/
typedef struct pthread *pthread_t;
typedef struct pthread_attr *pthread_attr_t;
typedef struct pthread_mutex *pthread_mutex_t;
typedef struct pthread_mutex_attr *pthread_mutexattr_t;
typedef struct pthread_cond *pthread_cond_t;
typedef struct pthread_cond_attr *pthread_condattr_t;
typedef int pthread_key_t;
typedef struct pthread_once pthread_once_t;
/*
* Additional type definitions:
*
* Note that P1003.1c reserves the prefixes pthread_ and PTHREAD_ for
* use in header symbols.
*/
typedef void *pthread_addr_t;
typedef void *(*pthread_startroutine_t) (void *);
typedef struct timespec timespec_t;
/*
* Once definitions.
*/
struct pthread_once {
int state;
pthread_mutex_t mutex;
};
/* Cancellation */
enum { PTHREAD_CANCEL_ENABLE, PTHREAD_CANCEL_DISABLE };
enum { PTHREAD_CANCEL_DEFERRED, PTHREAD_CANCEL_ASYNCHRONOUS };
#define PTHREAD_CANCELED ((void *) -1)
/*
* Flags for once initialization.
*/
#define PTHREAD_NEEDS_INIT 0
#define PTHREAD_DONE_INIT 1
#define PTHREAD_MUTEX_INITIALIZER NULL
/*
* Static once initialization values.
*/
#define PTHREAD_ONCE_INIT { PTHREAD_NEEDS_INIT, NULL }
/*
* Default attribute arguments.
*/
#ifndef PTHREAD_KERNEL
#define pthread_condattr_default NULL
#define pthread_mutexattr_default NULL
#define pthread_attr_default NULL
#endif
#if !defined(PTHREAD_KERNEL) && !defined(PTHREAD_RTL)
#define sigprocmask(A,B,C) pthread_sigmask((A),(B),(C))
#define signal(A,B) pthread_signal((A),(B))
#define raise(A) pthread_raise(A)
#define sigaction(A,B,C) pthread_sigaction((A),(B),(C))
#define sigpending(A) pthread_sigpending(A)
#define sigsuspend(A) pthread_sigsuspend(A)
#define pause() pthread_pause()
#define alarm(A) pthread_alarm(A)
#define select(A,B,C,D,E) pthread_select((A),(B),(C),(D),(E))
#define sleep(A) pthread_sleep(A)
#define read(A,B,C) pthread_read((A),(B),(C))
#define write(A,B,C) pthread_write((A),(B),(C))
#endif
enum pthread_mutextype {
MUTEX_TYPE_FAST = 1,
MUTEX_TYPE_COUNTING_FAST = 2, /* Recursive */
MUTEX_TYPE_MAX
};
/*
* Thread function prototype definitions:
*/
/* __BEGIN_DECLS */
int pthread_attr_destroy (pthread_attr_t *);
int pthread_attr_getinheritsched (pthread_attr_t *, int *);
int pthread_attr_getschedparam (pthread_attr_t *,
struct sched_param *);
int pthread_attr_getschedpolicy (pthread_attr_t *, int *);
int pthread_attr_getscope (pthread_attr_t *, int *);
int pthread_attr_getstacksize (pthread_attr_t *, size_t *);
int pthread_attr_getstackaddr (pthread_attr_t *, void **);
int pthread_attr_getdetachstate (pthread_attr_t *, int *);
int pthread_attr_init (pthread_attr_t *);
int pthread_attr_setinheritsched (pthread_attr_t *, int);
int pthread_attr_setprio(pthread_attr_t *, int);
int pthread_attr_setschedparam (pthread_attr_t *,
struct sched_param *);
int pthread_attr_setschedpolicy (pthread_attr_t *, int);
int pthread_attr_setscope (pthread_attr_t *, int);
int pthread_attr_setstacksize (pthread_attr_t *, size_t);
int pthread_attr_setstackaddr (pthread_attr_t *, void *);
int pthread_attr_setdetachstate (pthread_attr_t *, int);
void pthread_cleanup_pop (int execute);
void pthread_cleanup_push (void (*routine) (void *),
void *routine_arg);
int pthread_condattr_destroy (pthread_condattr_t *attr);
int pthread_condattr_init (pthread_condattr_t *attr);
int pthread_condattr_getpshared (pthread_condattr_t *attr,
int *pshared);
int pthread_condattr_setpshared (pthread_condattr_t *attr,
int pshared);
int pthread_cond_broadcast (pthread_cond_t *);
int pthread_cond_destroy (pthread_cond_t *);
int pthread_cond_init (pthread_cond_t *,
const pthread_condattr_t *);
int pthread_cond_signal (pthread_cond_t *);
int pthread_cond_timedwait (pthread_cond_t *,
pthread_mutex_t *, const timespec_t * abstime);
int pthread_cond_wait (pthread_cond_t *, pthread_mutex_t *);
int pthread_create (pthread_t *, const pthread_attr_t *,
pthread_startroutine_t start_routine, void *);
int pthread_detach (pthread_t *);
int pthread_equal (pthread_t, pthread_t);
void pthread_exit (void *);
void *pthread_getspecific (pthread_key_t);
void pthread_init (void);
int pthread_join (pthread_t, void **);
int pthread_key_create (pthread_key_t *,
void (*routine) (void *));
int pthread_key_delete (pthread_key_t);
int pthread_kill (struct pthread *, int);
int pthread_mutexattr_destroy (pthread_mutexattr_t *);
int pthread_mutexattr_getprioceiling (pthread_mutexattr_t *,
int *prioceiling);
int pthread_mutexattr_getprotocol (pthread_mutexattr_t *,
int *protocol);
int pthread_mutexattr_getpshared (pthread_mutexattr_t *,
int *pshared);
int pthread_mutexattr_init (pthread_mutexattr_t *);
int pthread_mutexattr_setprioceiling (pthread_mutexattr_t *,
int prioceiling);
int pthread_mutexattr_setprotocol (pthread_mutexattr_t *,
int protocol);
int pthread_mutexattr_setpshared (pthread_mutexattr_t *,
int pshared);
int pthread_mutex_destroy (pthread_mutex_t *);
int pthread_mutex_getprioceiling (pthread_mutex_t *);
int pthread_mutex_init (pthread_mutex_t *,
const pthread_mutexattr_t *);
int pthread_mutex_lock (pthread_mutex_t *);
int pthread_mutex_setprioceiling (pthread_mutex_t *);
int pthread_mutex_trylock (pthread_mutex_t *);
int pthread_mutex_unlock (pthread_mutex_t *);
int pthread_once (pthread_once_t *,
void (*init_routine) (void));
pthread_t pthread_self (void);
int pthread_setcancelstate (int, int *);
int pthread_setcanceltype (int, int *);
int pthread_setspecific (pthread_key_t, const void *);
int pthread_testcancel (void);
int pthread_getprio (pthread_t);
int pthread_setprio (pthread_t, int);
void pthread_yield (void);
/* int pthread_setschedparam (pthread_t pthread, int policy,
struct sched_param * param); */
/* int pthread_getschedparam (pthread_t pthread, int *policy,
struct sched_param * param); */
int pthread_attr_setfloatstate (pthread_attr_t *, int);
int pthread_attr_getfloatstate (pthread_attr_t *, int *);
int pthread_attr_setcleanup (pthread_attr_t *,
void (*routine) (void *), void *);
int pthread_suspend_np(pthread_t);
int pthread_resume_np(pthread_t);
int pthread_attr_setcreatesuspend_np(pthread_attr_t *);
int pthread_mutexattr_setkind_np(pthread_mutexattr_t *, int);
int pthread_mutexattr_getkind_np(pthread_mutexattr_t);
int pthread_sigmask (int, const sigset_t *, sigset_t *);
#ifndef PTHREAD_RTL
unsigned pthread_alarm(unsigned);
int pthread_pause(void);
int pthread_raise(int);
int pthread_select(int, struct _fd_set *, struct _fd_set *, struct _fd_set *,struct timeval *);
void (* pthread_signal(int, void (*)(int)))(int);
int pthread_sigaction(int, const struct sigaction *, struct sigaction *);
int pthread_sigpending(sigset_t *);
int pthread_sigsuspend(const sigset_t *);
unsigned pthread_sleep(unsigned);
int pthread_read(int, void *, size_t);
int pthread_write(int, const void *, size_t);
#endif
/* __END_DECLS */
#if defined (__cplusplus)
}
#endif
#endif
#endif
#if !defined(PTHREAD_KERNEL) && !defined(PTHREAD_RTL)
#define sigprocmask(A,B,C) pthread_sigmask((A),(B),(C))
#define signal(A,B) pthread_signal((A),(B))
#define raise(A) pthread_raise(A)
#define sigaction(A,B,C) pthread_sigaction((A),(B),(C))
#define sigpending(A) pthread_sigpending(A)
#define sigsuspend(A) pthread_sigsuspend(A)
#define pause() pthread_pause()
#define alarm(A) pthread_alarm(A)
#define select(A,B,C,D,E) pthread_select((A),(B),(C),(D),(E))
#define sleep(A) pthread_sleep(A)
#define read(A,B,C) pthread_read((A),(B),(C))
#define write(A,B,C) pthread_write((A),(B),(C))
#endif