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Diffstat (limited to 'mozilla/nsprpub/pr/include/md/_solaris.h')
| -rw-r--r-- | mozilla/nsprpub/pr/include/md/_solaris.h | 531 |
1 files changed, 531 insertions, 0 deletions
diff --git a/mozilla/nsprpub/pr/include/md/_solaris.h b/mozilla/nsprpub/pr/include/md/_solaris.h new file mode 100644 index 0000000..edc5520 --- /dev/null +++ b/mozilla/nsprpub/pr/include/md/_solaris.h @@ -0,0 +1,531 @@ +/* -*- 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 + * http://www.mozilla.org/MPL/ + * + * 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_solaris_defs_h___ +#define nspr_solaris_defs_h___ + +/* + * Internal configuration macros + */ + +#define PR_LINKER_ARCH "solaris" +#define _PR_SI_SYSNAME "SOLARIS" +#ifdef sparc +#define _PR_SI_ARCHITECTURE "sparc" +#elif defined(__x86_64) +#define _PR_SI_ARCHITECTURE "x86-64" +#elif defined(i386) +#define _PR_SI_ARCHITECTURE "x86" +#else +#error unknown processor +#endif +#define PR_DLL_SUFFIX ".so" + +#define _PR_VMBASE 0x30000000 +#define _PR_STACK_VMBASE 0x50000000 +#define _MD_DEFAULT_STACK_SIZE (2*65536L) +#define _MD_MMAP_FLAGS MAP_SHARED + +#undef HAVE_STACK_GROWING_UP + +#ifndef HAVE_WEAK_IO_SYMBOLS +#define HAVE_WEAK_IO_SYMBOLS +#endif + +#undef HAVE_WEAK_MALLOC_SYMBOLS +#define HAVE_DLL +#define USE_DLFCN +#define NEED_STRFTIME_LOCK + +/* + * Intel x86 has atomic instructions. + * + * Sparc v8 does not have instructions to efficiently implement + * atomic increment/decrement operations. We use the default + * atomic routine implementation in pratom.c. + * + * 64-bit Solaris requires sparc v9, which has atomic instructions. + */ +#if defined(i386) || defined(IS_64) +#define _PR_HAVE_ATOMIC_OPS +#endif + +#define _PR_POLL_AVAILABLE +#define _PR_USE_POLL +#define _PR_STAT_HAS_ST_ATIM +#ifdef SOLARIS2_5 +#define _PR_HAVE_SYSV_SEMAPHORES +#define PR_HAVE_SYSV_NAMED_SHARED_MEMORY +#else +#define _PR_HAVE_POSIX_SEMAPHORES +#define PR_HAVE_POSIX_NAMED_SHARED_MEMORY +#endif +#define _PR_HAVE_GETIPNODEBYNAME +#define _PR_HAVE_GETIPNODEBYADDR +#define _PR_HAVE_GETADDRINFO +#define _PR_INET6_PROBE +#define _PR_ACCEPT_INHERIT_NONBLOCK +#ifdef _PR_INET6 +#define _PR_HAVE_INET_NTOP +#else +#define AF_INET6 26 +struct addrinfo { + int ai_flags; + int ai_family; + int ai_socktype; + int ai_protocol; + size_t ai_addrlen; + char *ai_canonname; + struct sockaddr *ai_addr; + struct addrinfo *ai_next; +}; +#define AI_CANONNAME 0x0010 +#define AI_V4MAPPED 0x0001 +#define AI_ALL 0x0002 +#define AI_ADDRCONFIG 0x0004 +#define _PR_HAVE_MD_SOCKADDR_IN6 +/* isomorphic to struct in6_addr on Solaris 8 */ +struct _md_in6_addr { + union { + PRUint8 _S6_u8[16]; + PRUint32 _S6_u32[4]; + PRUint32 __S6_align; + } _S6_un; +}; +/* isomorphic to struct sockaddr_in6 on Solaris 8 */ +struct _md_sockaddr_in6 { + PRUint16 sin6_family; + PRUint16 sin6_port; + PRUint32 sin6_flowinfo; + struct _md_in6_addr sin6_addr; + PRUint32 sin6_scope_id; + PRUint32 __sin6_src_id; +}; +#endif +#if defined(_PR_PTHREADS) +#define _PR_HAVE_GETHOST_R +#define _PR_HAVE_GETHOST_R_POINTER +#endif + +#include "prinrval.h" +NSPR_API(PRIntervalTime) _MD_Solaris_GetInterval(void); +#define _MD_GET_INTERVAL _MD_Solaris_GetInterval +NSPR_API(PRIntervalTime) _MD_Solaris_TicksPerSecond(void); +#define _MD_INTERVAL_PER_SEC _MD_Solaris_TicksPerSecond + +#if defined(_PR_HAVE_ATOMIC_OPS) +/* +** Atomic Operations +*/ +#define _MD_INIT_ATOMIC() + +NSPR_API(PRInt32) _MD_AtomicIncrement(PRInt32 *val); +#define _MD_ATOMIC_INCREMENT _MD_AtomicIncrement + +NSPR_API(PRInt32) _MD_AtomicAdd(PRInt32 *ptr, PRInt32 val); +#define _MD_ATOMIC_ADD _MD_AtomicAdd + +NSPR_API(PRInt32) _MD_AtomicDecrement(PRInt32 *val); +#define _MD_ATOMIC_DECREMENT _MD_AtomicDecrement + +NSPR_API(PRInt32) _MD_AtomicSet(PRInt32 *val, PRInt32 newval); +#define _MD_ATOMIC_SET _MD_AtomicSet +#endif /* _PR_HAVE_ATOMIC_OPS */ + +#if defined(_PR_PTHREADS) + +NSPR_API(void) _MD_EarlyInit(void); + +#define _MD_EARLY_INIT _MD_EarlyInit +#define _MD_FINAL_INIT _PR_UnixInit + +#else /* _PR_PTHREADS */ + +/* + * _PR_LOCAL_THREADS_ONLY implementation on Solaris + */ + +#include "prthread.h" + +#include <errno.h> +#include <ucontext.h> +#include <sys/stack.h> +#include <synch.h> + +/* +** Initialization Related definitions +*/ + +NSPR_API(void) _MD_EarlyInit(void); +NSPR_API(void) _MD_SolarisInit(); +#define _MD_EARLY_INIT _MD_EarlyInit +#define _MD_FINAL_INIT _MD_SolarisInit +#define _MD_INIT_THREAD _MD_InitializeThread + +#ifdef USE_SETJMP + +#include <setjmp.h> + +#define _PR_CONTEXT_TYPE jmp_buf + +#ifdef sparc +#define _MD_GET_SP(_t) (_t)->md.context[2] +#else +#define _MD_GET_SP(_t) (_t)->md.context[4] +#endif + +#define PR_NUM_GCREGS _JBLEN +#define CONTEXT(_thread) (_thread)->md.context + +#else /* ! USE_SETJMP */ + +#ifdef sparc +#define _PR_CONTEXT_TYPE ucontext_t +#define _MD_GET_SP(_t) (_t)->md.context.uc_mcontext.gregs[REG_SP] +/* +** Sparc's use register windows. the _MD_GetRegisters for the sparc's +** doesn't actually store anything into the argument buffer; instead the +** register windows are homed to the stack. I assume that the stack +** always has room for the registers to spill to... +*/ +#define PR_NUM_GCREGS 0 +#else +#define _PR_CONTEXT_TYPE unsigned int edi; sigset_t oldMask, blockMask; ucontext_t +#define _MD_GET_SP(_t) (_t)->md.context.uc_mcontext.gregs[USP] +#define PR_NUM_GCREGS _JBLEN +#endif + +#define CONTEXT(_thread) (&(_thread)->md.context) + +#endif /* ! USE_SETJMP */ + +#include <time.h> +/* + * Because clock_gettime() on Solaris/x86 always generates a + * segmentation fault, we use an emulated version _pr_solx86_clock_gettime(), + * which is implemented using gettimeofday(). + */ +#ifdef i386 +#define GETTIME(tt) _pr_solx86_clock_gettime(CLOCK_REALTIME, (tt)) +#else +#define GETTIME(tt) clock_gettime(CLOCK_REALTIME, (tt)) +#endif /* i386 */ + +#define _MD_SAVE_ERRNO(_thread) (_thread)->md.errcode = errno; +#define _MD_RESTORE_ERRNO(_thread) errno = (_thread)->md.errcode; + +#ifdef sparc + +#ifdef USE_SETJMP +#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ + PR_BEGIN_MACRO \ + int *context = (_thread)->md.context; \ + *status = PR_TRUE; \ + (void) setjmp(context); \ + (_thread)->md.context[1] = (int) ((_sp) - 64); \ + (_thread)->md.context[2] = (int) _main; \ + (_thread)->md.context[3] = (int) _main + 4; \ + _thread->no_sched = 0; \ + PR_END_MACRO + +#define _MD_SWITCH_CONTEXT(_thread) \ + if (!setjmp(CONTEXT(_thread))) { \ + _MD_SAVE_ERRNO(_thread) \ + _MD_SET_LAST_THREAD(_thread); \ + _MD_SET_CURRENT_THREAD(_thread); \ + _PR_Schedule(); \ + } + +#define _MD_RESTORE_CONTEXT(_newThread) \ +{ \ + _MD_RESTORE_ERRNO(_newThread) \ + _MD_SET_CURRENT_THREAD(_newThread); \ + longjmp(CONTEXT(_newThread), 1); \ +} + +#else +/* +** Initialize the thread context preparing it to execute _main. +*/ +#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ + PR_BEGIN_MACRO \ + ucontext_t *uc = CONTEXT(_thread); \ + *status = PR_TRUE; \ + getcontext(uc); \ + uc->uc_stack.ss_sp = (char *) ((unsigned long)(_sp - WINDOWSIZE - SA(MINFRAME)) & 0xfffffff8); \ + uc->uc_stack.ss_size = _thread->stack->stackSize; \ + uc->uc_stack.ss_flags = 0; /* ? */ \ + uc->uc_mcontext.gregs[REG_SP] = (unsigned int) uc->uc_stack.ss_sp; \ + uc->uc_mcontext.gregs[REG_PC] = (unsigned int) _main; \ + uc->uc_mcontext.gregs[REG_nPC] = (unsigned int) ((char*)_main)+4; \ + uc->uc_flags = UC_ALL; \ + _thread->no_sched = 0; \ + PR_END_MACRO + +/* +** Switch away from the current thread context by saving its state and +** calling the thread scheduler. Reload cpu when we come back from the +** context switch because it might have changed. +*/ +#define _MD_SWITCH_CONTEXT(_thread) \ + PR_BEGIN_MACRO \ + if (!getcontext(CONTEXT(_thread))) { \ + _MD_SAVE_ERRNO(_thread); \ + _MD_SET_LAST_THREAD(_thread); \ + _PR_Schedule(); \ + } \ + PR_END_MACRO + +/* +** Restore a thread context that was saved by _MD_SWITCH_CONTEXT or +** initialized by _MD_INIT_CONTEXT. +*/ +#define _MD_RESTORE_CONTEXT(_newThread) \ + PR_BEGIN_MACRO \ + ucontext_t *uc = CONTEXT(_newThread); \ + uc->uc_mcontext.gregs[11] = 1; \ + _MD_RESTORE_ERRNO(_newThread); \ + _MD_SET_CURRENT_THREAD(_newThread); \ + setcontext(uc); \ + PR_END_MACRO +#endif + +#else /* x86 solaris */ + +#ifdef USE_SETJMP + +#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ + PR_BEGIN_MACRO \ + *status = PR_TRUE; \ + if (setjmp(CONTEXT(_thread))) _main(); \ + _MD_GET_SP(_thread) = (int) ((_sp) - 64); \ + PR_END_MACRO + +#define _MD_SWITCH_CONTEXT(_thread) \ + if (!setjmp(CONTEXT(_thread))) { \ + _MD_SAVE_ERRNO(_thread) \ + _PR_Schedule(); \ + } + +#define _MD_RESTORE_CONTEXT(_newThread) \ +{ \ + _MD_RESTORE_ERRNO(_newThread) \ + _MD_SET_CURRENT_THREAD(_newThread); \ + longjmp(CONTEXT(_newThread), 1); \ +} + +#else /* USE_SETJMP */ + +#define WINDOWSIZE 0 + +int getedi(void); +void setedi(int); + +#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ + PR_BEGIN_MACRO \ + ucontext_t *uc = CONTEXT(_thread); \ + *status = PR_TRUE; \ + getcontext(uc); \ + /* Force sp to be double aligned! */ \ + uc->uc_mcontext.gregs[USP] = (int) ((unsigned long)(_sp - WINDOWSIZE - SA(MINFRAME)) & 0xfffffff8); \ + uc->uc_mcontext.gregs[PC] = (int) _main; \ + (_thread)->no_sched = 0; \ + PR_END_MACRO + +/* getcontext() may return 1, contrary to what the man page says */ +#define _MD_SWITCH_CONTEXT(_thread) \ + PR_BEGIN_MACRO \ + ucontext_t *uc = CONTEXT(_thread); \ + PR_ASSERT(_thread->no_sched); \ + sigfillset(&((_thread)->md.blockMask)); \ + sigprocmask(SIG_BLOCK, &((_thread)->md.blockMask), \ + &((_thread)->md.oldMask)); \ + (_thread)->md.edi = getedi(); \ + if (! getcontext(uc)) { \ + sigprocmask(SIG_SETMASK, &((_thread)->md.oldMask), NULL); \ + uc->uc_mcontext.gregs[EDI] = (_thread)->md.edi; \ + _MD_SAVE_ERRNO(_thread) \ + _MD_SET_LAST_THREAD(_thread); \ + _PR_Schedule(); \ + } else { \ + sigprocmask(SIG_SETMASK, &((_thread)->md.oldMask), NULL); \ + setedi((_thread)->md.edi); \ + PR_ASSERT(_MD_LAST_THREAD() !=_MD_CURRENT_THREAD()); \ + _MD_LAST_THREAD()->no_sched = 0; \ + } \ + PR_END_MACRO + +/* +** Restore a thread context, saved by _PR_SWITCH_CONTEXT +*/ +#define _MD_RESTORE_CONTEXT(_newthread) \ + PR_BEGIN_MACRO \ + ucontext_t *uc = CONTEXT(_newthread); \ + uc->uc_mcontext.gregs[EAX] = 1; \ + _MD_RESTORE_ERRNO(_newthread) \ + _MD_SET_CURRENT_THREAD(_newthread); \ + (_newthread)->no_sched = 1; \ + setcontext(uc); \ + PR_END_MACRO +#endif /* USE_SETJMP */ + +#endif /* sparc */ + +struct _MDLock { + PRInt8 notused; +}; + +struct _MDCVar { + PRInt8 notused; +}; + +struct _MDSemaphore { + PRInt8 notused; +}; + +struct _MDThread { + _PR_CONTEXT_TYPE context; + int errcode; + int id; +}; + +struct _MDThreadStack { + PRInt8 notused; +}; + +struct _MDSegment { + PRInt8 notused; +}; + +/* + * md-specific cpu structure field + */ +#define _PR_MD_MAX_OSFD FD_SETSIZE + +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], + fd_exception_cnt[_PR_MD_MAX_OSFD]; +#else + 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 { + struct _MDCPU_Unix md_unix; +}; + +#ifndef _PR_PTHREADS +#define _MD_INIT_LOCKS() +#endif +#define _MD_NEW_LOCK(lock) PR_SUCCESS +#define _MD_FREE_LOCK(lock) +#define _MD_LOCK(lock) +#define _MD_UNLOCK(lock) +#define _MD_INIT_IO() +#define _MD_IOQ_LOCK() +#define _MD_IOQ_UNLOCK() + +#define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) +#define _MD_INIT_THREAD _MD_InitializeThread +#define _MD_EXIT_THREAD(thread) +#define _MD_SUSPEND_THREAD(thread) +#define _MD_RESUME_THREAD(thread) +#define _MD_CLEAN_THREAD(_thread) + +extern PRStatus _MD_WAIT(struct PRThread *, PRIntervalTime timeout); +extern PRStatus _MD_WAKEUP_WAITER(struct PRThread *); +extern void _MD_YIELD(void); +extern PRStatus _MD_InitializeThread(PRThread *thread); +extern void _MD_SET_PRIORITY(struct _MDThread *thread, + PRThreadPriority newPri); +extern PRStatus _MD_CREATE_THREAD(PRThread *thread, void (*start) (void *), + PRThreadPriority priority, PRThreadScope scope, PRThreadState state, + PRUint32 stackSize); + +NSPR_API(PRIntervalTime) _MD_Solaris_GetInterval(void); +#define _MD_GET_INTERVAL _MD_Solaris_GetInterval +NSPR_API(PRIntervalTime) _MD_Solaris_TicksPerSecond(void); +#define _MD_INTERVAL_PER_SEC _MD_Solaris_TicksPerSecond + +/* The following defines the unwrapped versions of select() and poll(). */ +extern int _select(int nfds, fd_set *readfds, fd_set *writefds, + fd_set *exceptfds, struct timeval *timeout); +#define _MD_SELECT _select + +#include <stropts.h> +#include <poll.h> +#define _MD_POLL _poll +extern int _poll(struct pollfd *fds, unsigned long nfds, int timeout); + +PR_BEGIN_EXTERN_C + +/* +** Missing function prototypes +*/ +extern int gethostname (char *name, int namelen); + +PR_END_EXTERN_C + +#endif /* _PR_PTHREADS */ + +extern void _MD_solaris_map_sendfile_error(int err); + +#endif /* nspr_solaris_defs_h___ */ + |