Initial commit of upstream NSPR (4.7.3) and NSS3 (3.12).

third_party/nspr/mozilla/nsprpub/pr/include/md/_solaris.h

Index: third_party/nspr/mozilla/nsprpub/pr/include/md/_solaris.h
diff --git a/third_party/nspr/mozilla/nsprpub/pr/include/md/_solaris.h b/third_party/nspr/mozilla/nsprpub/pr/include/md/_solaris.h
new file mode 100644
index 0000000000000000000000000000000000000000..edc55206f2a789eab5b1393fb9831b2aea4f1c34
--- /dev/null
+++ b/third_party/nspr/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___ */
+