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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
* The Original Code is the Netscape Portable Runtime (NSPR).
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998-2000
* the Initial Developer. All Rights Reserved.
* Contributor(s):
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
* ***** END LICENSE BLOCK ***** */
#ifndef nspr_pthread_defs_h___
#define nspr_pthread_defs_h___
#include <pthread.h>
#include "prthread.h"
#if defined(PTHREADS_USER)
** Thread Local Storage
extern pthread_key_t current_thread_key;
extern pthread_key_t current_cpu_key;
extern pthread_key_t last_thread_key;
extern pthread_key_t intsoff_key;
#define _MD_CURRENT_THREAD() \
((struct PRThread *) pthread_getspecific(current_thread_key))
#define _MD_CURRENT_CPU() \
((struct _PRCPU *) pthread_getspecific(current_cpu_key))
#define _MD_LAST_THREAD() \
((struct PRThread *) pthread_getspecific(last_thread_key))
#define _MD_SET_CURRENT_THREAD(newval) \
pthread_setspecific(current_thread_key, (void *)newval)
#define _MD_SET_CURRENT_CPU(newval) \
pthread_setspecific(current_cpu_key, (void *)newval)
#define _MD_SET_LAST_THREAD(newval) \
pthread_setspecific(last_thread_key, (void *)newval)
#define _MD_SET_INTSOFF(_val)
#define _MD_GET_INTSOFF() 1
** Initialize the thread context preparing it to execute _main.
#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
*status = PR_TRUE; \
if (SAVE_CONTEXT(_thread)) { \
(*_main)(); \
} \
_MD_SET_THR_SP(_thread, _sp); \
_thread->no_sched = 0; \
#define _MD_SWITCH_CONTEXT(_thread) \
PR_ASSERT(_thread->no_sched); \
if (!SAVE_CONTEXT(_thread)) { \
(_thread)->md.errcode = errno; \
_MD_SET_LAST_THREAD(_thread); \
_PR_Schedule(); \
} else { \
(_MD_LAST_THREAD())->no_sched = 0; \
} \
** Restore a thread context, saved by _MD_SWITCH_CONTEXT
#define _MD_RESTORE_CONTEXT(_thread) \
errno = (_thread)->md.errcode; \
_thread->no_sched = 1; \
GOTO_CONTEXT(_thread); \
/* Machine-dependent (MD) data structures */
struct _MDThread {
jmp_buf jb;
int id;
int errcode;
pthread_t pthread;
pthread_mutex_t pthread_mutex;
pthread_cond_t pthread_cond;
int wait;
struct _MDThreadStack {
PRInt8 notused;
struct _MDLock {
pthread_mutex_t mutex;
struct _MDSemaphore {
PRInt8 notused;
struct _MDCVar {
pthread_mutex_t mutex;
struct _MDSegment {
PRInt8 notused;
* md-specific cpu structure field
struct _MDCPU_Unix {
PRCList ioQ;
PRUint32 ioq_timeout;
PRInt32 ioq_max_osfd;
PRInt32 ioq_osfd_cnt;
#ifndef _PR_USE_POLL
fd_set fd_read_set, fd_write_set, fd_exception_set;
PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
struct pollfd *ioq_pollfds;
int ioq_pollfds_size;
#endif /* _PR_USE_POLL */
#define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
#define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
#define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
#define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
#define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
#define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
#define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
#define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
#define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
#define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
#define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
#define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
#define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
#define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
struct _MDCPU {
jmp_buf jb;
pthread_t pthread;
struct _MDCPU_Unix md_unix;
#define _MD_NEW_LOCK(lock) PR_SUCCESS
#define _MD_FREE_LOCK(lock)
#define _MD_LOCK(lock)
#define _MD_UNLOCK(lock)
extern pthread_mutex_t _pr_heapLock;
#define _PR_LOCK(lock) pthread_mutex_lock(lock)
#define _PR_UNLOCK(lock) pthread_mutex_unlock(lock)
#define _PR_LOCK_HEAP() { \
if (_pr_primordialCPU) { \
_PR_LOCK(_pr_heapLock); \
#define _PR_UNLOCK_HEAP() if (_pr_primordialCPU) { \
_PR_UNLOCK(_pr_heapLock); \
} \
NSPR_API(PRStatus) _MD_NEW_LOCK(struct _MDLock *md);
NSPR_API(void) _MD_FREE_LOCK(struct _MDLock *lockp);
#define _MD_LOCK(_lockp) _PR_LOCK(&(_lockp)->mutex)
#define _MD_UNLOCK(_lockp) _PR_UNLOCK(&(_lockp)->mutex)
#define _MD_INIT_IO()
#define _MD_IOQ_LOCK()
#define _MD_IOQ_UNLOCK()
#define _MD_CHECK_FOR_EXIT()
NSPR_API(PRStatus) _MD_InitThread(struct PRThread *thread);
#define _MD_INIT_THREAD _MD_InitThread
NSPR_API(void) _MD_ExitThread(struct PRThread *thread);
#define _MD_EXIT_THREAD _MD_ExitThread
NSPR_API(void) _MD_SuspendThread(struct PRThread *thread);
#define _MD_SUSPEND_THREAD _MD_SuspendThread
NSPR_API(void) _MD_ResumeThread(struct PRThread *thread);
#define _MD_RESUME_THREAD _MD_ResumeThread
NSPR_API(void) _MD_SuspendCPU(struct _PRCPU *thread);
#define _MD_SUSPEND_CPU _MD_SuspendCPU
NSPR_API(void) _MD_ResumeCPU(struct _PRCPU *thread);
#define _MD_RESUME_CPU _MD_ResumeCPU
#define _MD_END_RESUME_ALL()
NSPR_API(void) _MD_EarlyInit(void);
#define _MD_EARLY_INIT _MD_EarlyInit
#define _MD_FINAL_INIT _PR_UnixInit
NSPR_API(void) _MD_InitLocks(void);
#define _MD_INIT_LOCKS _MD_InitLocks
NSPR_API(void) _MD_CleanThread(struct PRThread *thread);
#define _MD_CLEAN_THREAD _MD_CleanThread
NSPR_API(PRStatus) _MD_CreateThread(
struct PRThread *thread,
void (*start) (void *),
PRThreadPriority priority,
PRThreadScope scope,
PRThreadState state,
PRUint32 stackSize);
#define _MD_CREATE_THREAD _MD_CreateThread
extern void _MD_CleanupBeforeExit(void);
#define _MD_CLEANUP_BEFORE_EXIT _MD_CleanupBeforeExit
NSPR_API(void) _MD_InitRunningCPU(struct _PRCPU *cpu);
#define _MD_INIT_RUNNING_CPU _MD_InitRunningCPU
/* The _PR_MD_WAIT_LOCK and _PR_MD_WAKEUP_WAITER functions put to sleep and
* awaken a thread which is waiting on a lock or cvar.
NSPR_API(PRStatus) _MD_wait(struct PRThread *, PRIntervalTime timeout);
#define _MD_WAIT _MD_wait
NSPR_API(PRStatus) _MD_WakeupWaiter(struct PRThread *);
#define _MD_WAKEUP_WAITER _MD_WakeupWaiter
NSPR_API(void) _MD_SetPriority(struct _MDThread *thread,
PRThreadPriority newPri);
#define _MD_SET_PRIORITY _MD_SetPriority
#endif /* PTHREADS_USER */
#endif /* nspr_pthread_defs_h___ */