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-rw-r--r--nsprpub/pr/include/md/_os2.h504
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diff --git a/nsprpub/pr/include/md/_os2.h b/nsprpub/pr/include/md/_os2.h
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+++ b/nsprpub/pr/include/md/_os2.h
@@ -0,0 +1,504 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nspr_os2_defs_h___
+#define nspr_os2_defs_h___
+
+#ifndef NO_LONG_LONG
+#define INCL_LONGLONG
+#endif
+#define INCL_DOS
+#define INCL_DOSPROCESS
+#define INCL_DOSERRORS
+#define INCL_WIN
+#define INCL_WPS
+#include <os2.h>
+#include <sys/select.h>
+
+#include "prio.h"
+
+#include <errno.h>
+
+/*
+ * Internal configuration macros
+ */
+
+#define PR_LINKER_ARCH "os2"
+#define _PR_SI_SYSNAME "OS2"
+#define _PR_SI_ARCHITECTURE "x86" /* XXXMB hardcode for now */
+
+#define HAVE_DLL
+#define _PR_GLOBAL_THREADS_ONLY
+#undef HAVE_THREAD_AFFINITY
+#define _PR_HAVE_THREADSAFE_GETHOST
+#define _PR_HAVE_ATOMIC_OPS
+#define HAVE_NETINET_TCP_H
+
+#define HANDLE unsigned long
+#define HINSTANCE HMODULE
+
+/* --- Common User-Thread/Native-Thread Definitions --------------------- */
+
+/* --- Globals --- */
+extern struct PRLock *_pr_schedLock;
+
+/* --- Typedefs --- */
+typedef void (*FiberFunc)(void *);
+
+#define PR_NUM_GCREGS 8
+typedef PRInt32 PR_CONTEXT_TYPE[PR_NUM_GCREGS];
+#define GC_VMBASE 0x40000000
+#define GC_VMLIMIT 0x00FFFFFF
+typedef int (*FARPROC)();
+
+#define _MD_MAGIC_THREAD 0x22222222
+#define _MD_MAGIC_THREADSTACK 0x33333333
+#define _MD_MAGIC_SEGMENT 0x44444444
+#define _MD_MAGIC_DIR 0x55555555
+#define _MD_MAGIC_CV 0x66666666
+
+struct _MDSemaphore {
+ HEV sem;
+};
+
+struct _MDCPU {
+ int unused;
+};
+
+struct _MDThread {
+ HEV blocked_sema; /* Threads block on this when waiting
+ * for IO or CondVar.
+ */
+ PRBool inCVWaitQueue; /* PR_TRUE if the thread is in the
+ * wait queue of some cond var.
+ * PR_FALSE otherwise. */
+ TID handle; /* OS/2 thread handle */
+ void *sp; /* only valid when suspended */
+ PRUint32 magic; /* for debugging */
+ PR_CONTEXT_TYPE gcContext; /* Thread context for GC */
+ struct PRThread *prev, *next; /* used by the cvar wait queue to
+ * chain the PRThread structures
+ * together */
+};
+
+struct _MDThreadStack {
+ PRUint32 magic; /* for debugging */
+};
+
+struct _MDSegment {
+ PRUint32 magic; /* for debugging */
+};
+
+#undef PROFILE_LOCKS
+
+struct _MDDir {
+ HDIR d_hdl;
+ union {
+ FILEFINDBUF3 small;
+ FILEFINDBUF3L large;
+ } d_entry;
+ PRBool firstEntry; /* Is this the entry returned
+ * by FindFirstFile()? */
+ PRUint32 magic; /* for debugging */
+};
+
+struct _MDCVar {
+ PRUint32 magic;
+ struct PRThread *waitHead, *waitTail; /* the wait queue: a doubly-
+ * linked list of threads
+ * waiting on this condition
+ * variable */
+ PRIntn nwait; /* number of threads in the
+ * wait queue */
+};
+
+#define _MD_CV_NOTIFIED_LENGTH 6
+typedef struct _MDNotified _MDNotified;
+struct _MDNotified {
+ PRIntn length; /* # of used entries in this
+ * structure */
+ struct {
+ struct _MDCVar *cv; /* the condition variable notified */
+ PRIntn times; /* and the number of times notified */
+ struct PRThread *notifyHead; /* list of threads to wake up */
+ } cv[_MD_CV_NOTIFIED_LENGTH];
+ _MDNotified *link; /* link to another of these, or NULL */
+};
+
+struct _MDLock {
+ HMTX mutex; /* this is recursive on OS/2 */
+
+ /*
+ * When notifying cvars, there is no point in actually
+ * waking up the threads waiting on the cvars until we've
+ * released the lock. So, we temporarily record the cvars.
+ * When doing an unlock, we'll then wake up the waiting threads.
+ */
+ struct _MDNotified notified; /* array of conditions notified */
+#ifdef PROFILE_LOCKS
+ PRInt32 hitcount;
+ PRInt32 misscount;
+#endif
+};
+
+struct _MDFileDesc {
+ PRInt32 osfd; /* The osfd can come from one of three spaces:
+ * - For stdin, stdout, and stderr, we are using
+ * the libc file handle (0, 1, 2), which is an int.
+ * - For files and pipes, we are using OS/2 handles,
+ * which is a void*.
+ * - For sockets, we are using int
+ */
+};
+
+struct _MDProcess {
+ PID pid;
+};
+
+/* --- Misc stuff --- */
+#define _MD_GET_SP(thread) (thread)->md.gcContext[6]
+
+/* --- IO stuff --- */
+
+#define _MD_OPEN (_PR_MD_OPEN)
+#define _MD_OPEN_FILE (_PR_MD_OPEN)
+#define _MD_READ (_PR_MD_READ)
+#define _MD_WRITE (_PR_MD_WRITE)
+#define _MD_WRITEV (_PR_MD_WRITEV)
+#define _MD_LSEEK (_PR_MD_LSEEK)
+#define _MD_LSEEK64 (_PR_MD_LSEEK64)
+extern PRInt32 _MD_CloseFile(PRInt32 osfd);
+#define _MD_CLOSE_FILE _MD_CloseFile
+#define _MD_GETFILEINFO (_PR_MD_GETFILEINFO)
+#define _MD_GETFILEINFO64 (_PR_MD_GETFILEINFO64)
+#define _MD_GETOPENFILEINFO (_PR_MD_GETOPENFILEINFO)
+#define _MD_GETOPENFILEINFO64 (_PR_MD_GETOPENFILEINFO64)
+#define _MD_STAT (_PR_MD_STAT)
+#define _MD_RENAME (_PR_MD_RENAME)
+#define _MD_ACCESS (_PR_MD_ACCESS)
+#define _MD_DELETE (_PR_MD_DELETE)
+#define _MD_MKDIR (_PR_MD_MKDIR)
+#define _MD_MAKE_DIR (_PR_MD_MKDIR)
+#define _MD_RMDIR (_PR_MD_RMDIR)
+#define _MD_LOCKFILE (_PR_MD_LOCKFILE)
+#define _MD_TLOCKFILE (_PR_MD_TLOCKFILE)
+#define _MD_UNLOCKFILE (_PR_MD_UNLOCKFILE)
+
+/* --- Socket IO stuff --- */
+
+/* The ones that don't map directly may need to be re-visited... */
+#define _MD_EACCES EACCES
+#define _MD_EADDRINUSE EADDRINUSE
+#define _MD_EADDRNOTAVAIL EADDRNOTAVAIL
+#define _MD_EAFNOSUPPORT EAFNOSUPPORT
+#define _MD_EAGAIN EWOULDBLOCK
+#define _MD_EALREADY EALREADY
+#define _MD_EBADF EBADF
+#define _MD_ECONNREFUSED ECONNREFUSED
+#define _MD_ECONNRESET ECONNRESET
+#define _MD_EFAULT SOCEFAULT
+#define _MD_EINPROGRESS EINPROGRESS
+#define _MD_EINTR EINTR
+#define _MD_EINVAL EINVAL
+#define _MD_EISCONN EISCONN
+#define _MD_ENETUNREACH ENETUNREACH
+#define _MD_ENOENT ENOENT
+#define _MD_ENOTCONN ENOTCONN
+#define _MD_ENOTSOCK ENOTSOCK
+#define _MD_EOPNOTSUPP EOPNOTSUPP
+#define _MD_EWOULDBLOCK EWOULDBLOCK
+#define _MD_GET_SOCKET_ERROR() sock_errno()
+#ifndef INADDR_LOOPBACK /* For some reason this is not defined in OS2 tcpip */
+/* #define INADDR_LOOPBACK INADDR_ANY */
+#endif
+
+#define _MD_INIT_FILEDESC(fd)
+extern void _MD_MakeNonblock(PRFileDesc *f);
+#define _MD_MAKE_NONBLOCK _MD_MakeNonblock
+#define _MD_INIT_FD_INHERITABLE (_PR_MD_INIT_FD_INHERITABLE)
+#define _MD_QUERY_FD_INHERITABLE (_PR_MD_QUERY_FD_INHERITABLE)
+#define _MD_SHUTDOWN (_PR_MD_SHUTDOWN)
+#define _MD_LISTEN _PR_MD_LISTEN
+extern PRInt32 _MD_CloseSocket(PRInt32 osfd);
+#define _MD_CLOSE_SOCKET _MD_CloseSocket
+#define _MD_SENDTO (_PR_MD_SENDTO)
+#define _MD_RECVFROM (_PR_MD_RECVFROM)
+#define _MD_SOCKETPAIR (_PR_MD_SOCKETPAIR)
+#define _MD_GETSOCKNAME (_PR_MD_GETSOCKNAME)
+#define _MD_GETPEERNAME (_PR_MD_GETPEERNAME)
+#define _MD_GETSOCKOPT (_PR_MD_GETSOCKOPT)
+#define _MD_SETSOCKOPT (_PR_MD_SETSOCKOPT)
+
+#define _MD_FSYNC _PR_MD_FSYNC
+#define _MD_SET_FD_INHERITABLE (_PR_MD_SET_FD_INHERITABLE)
+
+#ifdef _PR_HAVE_ATOMIC_OPS
+#define _MD_INIT_ATOMIC()
+#define _MD_ATOMIC_INCREMENT _PR_MD_ATOMIC_INCREMENT
+#define _MD_ATOMIC_ADD _PR_MD_ATOMIC_ADD
+#define _MD_ATOMIC_DECREMENT _PR_MD_ATOMIC_DECREMENT
+#define _MD_ATOMIC_SET _PR_MD_ATOMIC_SET
+#endif
+
+#define _MD_INIT_IO (_PR_MD_INIT_IO)
+#define _MD_PR_POLL (_PR_MD_PR_POLL)
+
+#define _MD_SOCKET (_PR_MD_SOCKET)
+extern PRInt32 _MD_SocketAvailable(PRFileDesc *fd);
+#define _MD_SOCKETAVAILABLE _MD_SocketAvailable
+#define _MD_PIPEAVAILABLE _MD_SocketAvailable
+#define _MD_CONNECT (_PR_MD_CONNECT)
+extern PRInt32 _MD_Accept(PRFileDesc *fd, PRNetAddr *raddr, PRUint32 *rlen,
+ PRIntervalTime timeout);
+#define _MD_ACCEPT _MD_Accept
+#define _MD_BIND (_PR_MD_BIND)
+#define _MD_RECV (_PR_MD_RECV)
+#define _MD_SEND (_PR_MD_SEND)
+
+/* --- Scheduler stuff --- */
+/* #define _MD_PAUSE_CPU _PR_MD_PAUSE_CPU */
+#define _MD_PAUSE_CPU
+
+/* --- DIR stuff --- */
+#define PR_DIRECTORY_SEPARATOR '\\'
+#define PR_DIRECTORY_SEPARATOR_STR "\\"
+#define PR_PATH_SEPARATOR ';'
+#define PR_PATH_SEPARATOR_STR ";"
+#define _MD_ERRNO() errno
+#define _MD_OPEN_DIR (_PR_MD_OPEN_DIR)
+#define _MD_CLOSE_DIR (_PR_MD_CLOSE_DIR)
+#define _MD_READ_DIR (_PR_MD_READ_DIR)
+
+/* --- Segment stuff --- */
+#define _MD_INIT_SEGS()
+#define _MD_ALLOC_SEGMENT(seg, size, vaddr) 0
+#define _MD_FREE_SEGMENT(seg)
+
+/* --- Environment Stuff --- */
+#define _MD_GET_ENV (_PR_MD_GET_ENV)
+#define _MD_PUT_ENV (_PR_MD_PUT_ENV)
+
+/* --- Threading Stuff --- */
+#define _MD_DEFAULT_STACK_SIZE 65536L
+#define _MD_INIT_THREAD (_PR_MD_INIT_THREAD)
+#define _MD_INIT_ATTACHED_THREAD (_PR_MD_INIT_THREAD)
+#define _MD_CREATE_THREAD (_PR_MD_CREATE_THREAD)
+#define _MD_YIELD (_PR_MD_YIELD)
+#define _MD_SET_PRIORITY (_PR_MD_SET_PRIORITY)
+#define _MD_CLEAN_THREAD (_PR_MD_CLEAN_THREAD)
+#define _MD_SETTHREADAFFINITYMASK (_PR_MD_SETTHREADAFFINITYMASK)
+#define _MD_GETTHREADAFFINITYMASK (_PR_MD_GETTHREADAFFINITYMASK)
+#define _MD_EXIT_THREAD (_PR_MD_EXIT_THREAD)
+#define _MD_SUSPEND_THREAD (_PR_MD_SUSPEND_THREAD)
+#define _MD_RESUME_THREAD (_PR_MD_RESUME_THREAD)
+#define _MD_SUSPEND_CPU (_PR_MD_SUSPEND_CPU)
+#define _MD_RESUME_CPU (_PR_MD_RESUME_CPU)
+#define _MD_WAKEUP_CPUS (_PR_MD_WAKEUP_CPUS)
+#define _MD_BEGIN_SUSPEND_ALL()
+#define _MD_BEGIN_RESUME_ALL()
+#define _MD_END_SUSPEND_ALL()
+#define _MD_END_RESUME_ALL()
+
+/* --- Lock stuff --- */
+#define _PR_LOCK _MD_LOCK
+#define _PR_UNLOCK _MD_UNLOCK
+
+#define _MD_NEW_LOCK (_PR_MD_NEW_LOCK)
+#define _MD_FREE_LOCK(lock) (DosCloseMutexSem((lock)->mutex))
+#define _MD_LOCK(lock) (DosRequestMutexSem((lock)->mutex, SEM_INDEFINITE_WAIT))
+#define _MD_TEST_AND_LOCK(lock) (DosRequestMutexSem((lock)->mutex, SEM_INDEFINITE_WAIT),0)
+#define _MD_UNLOCK (_PR_MD_UNLOCK)
+
+/* --- lock and cv waiting --- */
+#define _MD_WAIT (_PR_MD_WAIT)
+#define _MD_WAKEUP_WAITER (_PR_MD_WAKEUP_WAITER)
+
+/* --- CVar ------------------- */
+#define _MD_WAIT_CV (_PR_MD_WAIT_CV)
+#define _MD_NEW_CV (_PR_MD_NEW_CV)
+#define _MD_FREE_CV (_PR_MD_FREE_CV)
+#define _MD_NOTIFY_CV (_PR_MD_NOTIFY_CV )
+#define _MD_NOTIFYALL_CV (_PR_MD_NOTIFYALL_CV)
+
+/* XXXMB- the IOQ stuff is certainly not working correctly yet. */
+/* extern struct _MDLock _pr_ioq_lock; */
+#define _MD_IOQ_LOCK()
+#define _MD_IOQ_UNLOCK()
+
+
+/* --- Initialization stuff --- */
+#define _MD_START_INTERRUPTS()
+#define _MD_STOP_INTERRUPTS()
+#define _MD_DISABLE_CLOCK_INTERRUPTS()
+#define _MD_ENABLE_CLOCK_INTERRUPTS()
+#define _MD_BLOCK_CLOCK_INTERRUPTS()
+#define _MD_UNBLOCK_CLOCK_INTERRUPTS()
+#define _MD_EARLY_INIT (_PR_MD_EARLY_INIT)
+#define _MD_FINAL_INIT()
+#define _MD_EARLY_CLEANUP()
+#define _MD_INIT_CPUS()
+#define _MD_INIT_RUNNING_CPU(cpu)
+
+struct PRProcess;
+struct PRProcessAttr;
+
+#define _MD_CREATE_PROCESS _PR_CreateOS2Process
+extern struct PRProcess * _PR_CreateOS2Process(
+ const char *path,
+ char *const *argv,
+ char *const *envp,
+ const struct PRProcessAttr *attr
+);
+
+#define _MD_DETACH_PROCESS _PR_DetachOS2Process
+extern PRStatus _PR_DetachOS2Process(struct PRProcess *process);
+
+/* --- Wait for a child process to terminate --- */
+#define _MD_WAIT_PROCESS _PR_WaitOS2Process
+extern PRStatus _PR_WaitOS2Process(struct PRProcess *process,
+ PRInt32 *exitCode);
+
+#define _MD_KILL_PROCESS _PR_KillOS2Process
+extern PRStatus _PR_KillOS2Process(struct PRProcess *process);
+
+#define _MD_CLEANUP_BEFORE_EXIT()
+#define _MD_EXIT (_PR_MD_EXIT)
+#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
+ PR_BEGIN_MACRO \
+ *status = PR_TRUE; \
+ PR_END_MACRO
+#define _MD_SWITCH_CONTEXT
+#define _MD_RESTORE_CONTEXT
+
+/* --- Intervals --- */
+#define _MD_INTERVAL_INIT (_PR_MD_INTERVAL_INIT)
+#define _MD_GET_INTERVAL (_PR_MD_GET_INTERVAL)
+#define _MD_INTERVAL_PER_SEC (_PR_MD_INTERVAL_PER_SEC)
+#define _MD_INTERVAL_PER_MILLISEC() (_PR_MD_INTERVAL_PER_SEC() / 1000)
+#define _MD_INTERVAL_PER_MICROSEC() (_PR_MD_INTERVAL_PER_SEC() / 1000000)
+
+/* --- Native-Thread Specific Definitions ------------------------------- */
+
+typedef struct __NSPR_TLS
+{
+ struct PRThread *_pr_thread_last_run;
+ struct PRThread *_pr_currentThread;
+ struct _PRCPU *_pr_currentCPU;
+} _NSPR_TLS;
+
+extern _NSPR_TLS* pThreadLocalStorage;
+NSPR_API(void) _PR_MD_ENSURE_TLS(void);
+
+#define _MD_GET_ATTACHED_THREAD() pThreadLocalStorage->_pr_currentThread
+extern struct PRThread * _MD_CURRENT_THREAD(void);
+#define _MD_SET_CURRENT_THREAD(_thread) _PR_MD_ENSURE_TLS(); pThreadLocalStorage->_pr_currentThread = (_thread)
+
+#define _MD_LAST_THREAD() pThreadLocalStorage->_pr_thread_last_run
+#define _MD_SET_LAST_THREAD(_thread) _PR_MD_ENSURE_TLS(); pThreadLocalStorage->_pr_thread_last_run = (_thread)
+
+#define _MD_CURRENT_CPU() pThreadLocalStorage->_pr_currentCPU
+#define _MD_SET_CURRENT_CPU(_cpu) _PR_MD_ENSURE_TLS(); pThreadLocalStorage->_pr_currentCPU = (_cpu)
+
+/* lth. #define _MD_SET_INTSOFF(_val) (_pr_ints_off = (_val)) */
+/* lth. #define _MD_GET_INTSOFF() _pr_ints_off */
+/* lth. #define _MD_INCREMENT_INTSOFF() (_pr_ints_off++) */
+/* lth. #define _MD_DECREMENT_INTSOFF() (_pr_ints_off--) */
+
+/* --- Scheduler stuff --- */
+#define LOCK_SCHEDULER() 0
+#define UNLOCK_SCHEDULER() 0
+#define _PR_LockSched() 0
+#define _PR_UnlockSched() 0
+
+/* --- Initialization stuff --- */
+#define _MD_INIT_LOCKS()
+
+/* --- Stack stuff --- */
+#define _MD_INIT_STACK(stack, redzone)
+#define _MD_CLEAR_STACK(stack)
+
+/* --- Memory-mapped files stuff --- */
+/* ReadOnly and WriteCopy modes are simulated on OS/2;
+ * ReadWrite mode is not supported.
+ */
+struct _MDFileMap {
+ PROffset64 maxExtent;
+};
+
+extern PRStatus _MD_CreateFileMap(struct PRFileMap *fmap, PRInt64 size);
+#define _MD_CREATE_FILE_MAP _MD_CreateFileMap
+
+extern PRInt32 _MD_GetMemMapAlignment(void);
+#define _MD_GET_MEM_MAP_ALIGNMENT _MD_GetMemMapAlignment
+
+extern void * _MD_MemMap(struct PRFileMap *fmap, PRInt64 offset,
+ PRUint32 len);
+#define _MD_MEM_MAP _MD_MemMap
+
+extern PRStatus _MD_MemUnmap(void *addr, PRUint32 size);
+#define _MD_MEM_UNMAP _MD_MemUnmap
+
+extern PRStatus _MD_CloseFileMap(struct PRFileMap *fmap);
+#define _MD_CLOSE_FILE_MAP _MD_CloseFileMap
+
+/* Some stuff for setting up thread contexts */
+typedef ULONG DWORD, *PDWORD;
+
+/* The following definitions and two structures are new in OS/2 Warp 4.0.
+ */
+#ifndef CONTEXT_CONTROL
+#define CONTEXT_CONTROL 0x00000001
+#define CONTEXT_INTEGER 0x00000002
+#define CONTEXT_SEGMENTS 0x00000004
+#define CONTEXT_FLOATING_POINT 0x00000008
+#define CONTEXT_FULL 0x0000000F
+
+#pragma pack(2)
+typedef struct _FPREG {
+ ULONG losig; /* Low 32-bits of the significand. */
+ ULONG hisig; /* High 32-bits of the significand. */
+ USHORT signexp; /* Sign and exponent. */
+} FPREG;
+typedef struct _CONTEXTRECORD {
+ ULONG ContextFlags;
+ ULONG ctx_env[7];
+ FPREG ctx_stack[8];
+ ULONG ctx_SegGs; /* GS register. */
+ ULONG ctx_SegFs; /* FS register. */
+ ULONG ctx_SegEs; /* ES register. */
+ ULONG ctx_SegDs; /* DS register. */
+ ULONG ctx_RegEdi; /* EDI register. */
+ ULONG ctx_RegEsi; /* ESI register. */
+ ULONG ctx_RegEax; /* EAX register. */
+ ULONG ctx_RegEbx; /* EBX register. */
+ ULONG ctx_RegEcx; /* ECX register. */
+ ULONG ctx_RegEdx; /* EDX register. */
+ ULONG ctx_RegEbp; /* EBP register. */
+ ULONG ctx_RegEip; /* EIP register. */
+ ULONG ctx_SegCs; /* CS register. */
+ ULONG ctx_EFlags; /* EFLAGS register. */
+ ULONG ctx_RegEsp; /* ESP register. */
+ ULONG ctx_SegSs; /* SS register. */
+} CONTEXTRECORD, *PCONTEXTRECORD;
+#pragma pack()
+#endif
+
+extern APIRET (* APIENTRY QueryThreadContext)(TID, ULONG, PCONTEXTRECORD);
+
+/*
+#define _pr_tid (((PTIB2)_getTIBvalue(offsetof(TIB, tib_ptib2)))->tib2_ultid)
+#define _pr_current_Thread (_system_tls[_pr_tid-1].__pr_current_thread)
+*/
+
+/* Some simple mappings of Windows API's to OS/2 API's to make our lives a
+ * little bit easier. Only add one here if it is a DIRECT mapping. We are
+ * not emulating anything. Just mapping.
+ */
+#define FreeLibrary(x) DosFreeModule((HMODULE)x)
+#define OutputDebugStringA(x)
+
+extern int _MD_os2_get_nonblocking_connect_error(int osfd);
+
+#endif /* nspr_os2_defs_h___ */