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- /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
- /*
- * The contents of this file are subject to the Netscape Public License
- * Version 1.0 (the "NPL"); you may not use this file except in
- * compliance with the NPL. You may obtain a copy of the NPL at
- * http://www.mozilla.org/NPL/
- *
- * Software distributed under the NPL is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
- * for the specific language governing rights and limitations under the
- * NPL.
- *
- * The Initial Developer of this code under the NPL is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation. All Rights
- * Reserved.
- */
-
- /*
- * NCR 3.0 - cloned from UnixWare by ruslan
- */
- #include "primpl.h"
-
- #include <setjmp.h>
-
- void _MD_EarlyInit(void)
- {
- }
-
- PRWord *_MD_HomeGCRegisters(PRThread *t, int isCurrent, int *np)
- {
- if (isCurrent) {
- (void) setjmp(CONTEXT(t));
- }
- *np = sizeof(CONTEXT(t)) / sizeof(PRWord);
- return (PRWord *) CONTEXT(t);
- }
-
- #ifdef ALARMS_BREAK_TCP /* I don't think they do */
-
- PRInt32 _MD_connect(PRInt32 osfd, const PRNetAddr *addr, PRInt32 addrlen,
- PRIntervalTime timeout)
- {
- PRInt32 rv;
-
- _MD_BLOCK_CLOCK_INTERRUPTS();
- rv = _connect(osfd,addr,addrlen);
- _MD_UNBLOCK_CLOCK_INTERRUPTS();
- }
-
- PRInt32 _MD_accept(PRInt32 osfd, PRNetAddr *addr, PRInt32 addrlen,
- PRIntervalTime timeout)
- {
- PRInt32 rv;
-
- _MD_BLOCK_CLOCK_INTERRUPTS();
- rv = _accept(osfd,addr,addrlen);
- _MD_UNBLOCK_CLOCK_INTERRUPTS();
- return(rv);
- }
- #endif
-
- /*
- * These are also implemented in pratom.c using NSPR locks. Any reason
- * this might be better or worse? If you like this better, define
- * _PR_HAVE_ATOMIC_OPS in include/md/unixware.h
- */
- #ifdef _PR_HAVE_ATOMIC_OPS
- /* Atomic operations */
- #include <stdio.h>
- static FILE *_uw_semf;
-
- void
- _MD_INIT_ATOMIC(void)
- {
- /* Sigh. Sure wish SYSV semaphores weren't such a pain to use */
- if ((_uw_semf = tmpfile()) == NULL)
- PR_ASSERT(0);
-
- return;
- }
-
- void
- _MD_ATOMIC_INCREMENT(PRInt32 *val)
- {
- flockfile(_uw_semf);
- (*val)++;
- unflockfile(_uw_semf);
- }
-
- void
- _MD_ATOMIC_DECREMENT(PRInt32 *val)
- {
- flockfile(_uw_semf);
- (*val)--;
- unflockfile(_uw_semf);
- }
-
- void
- _MD_ATOMIC_SET(PRInt32 *val, PRInt32 newval)
- {
- flockfile(_uw_semf);
- *val = newval;
- unflockfile(_uw_semf);
- }
- #endif
-
- void
- _MD_SET_PRIORITY(_MDThread *thread, PRUintn newPri)
- {
- return;
- }
-
- PRStatus
- _MD_InitializeThread(PRThread *thread)
- {
- return PR_SUCCESS;
- }
-
- PRStatus
- _MD_WAIT(PRThread *thread, PRIntervalTime ticks)
- {
- PR_ASSERT(!(thread->flags & _PR_GLOBAL_SCOPE));
- _PR_MD_SWITCH_CONTEXT(thread);
- return PR_SUCCESS;
- }
-
- PRStatus
- _MD_WAKEUP_WAITER(PRThread *thread)
- {
- if (thread) {
- PR_ASSERT(!(thread->flags & _PR_GLOBAL_SCOPE));
- }
- return PR_SUCCESS;
- }
-
- /* These functions should not be called for Unixware */
- void
- _MD_YIELD(void)
- {
- PR_NOT_REACHED("_MD_YIELD should not be called for Unixware.");
- }
-
- PRStatus
- _MD_CREATE_THREAD(
- PRThread *thread,
- void (*start) (void *),
- PRUintn priority,
- PRThreadScope scope,
- PRThreadState state,
- PRUint32 stackSize)
- {
- PR_NOT_REACHED("_MD_CREATE_THREAD should not be called for Unixware.");
- return PR_FAILURE;
- }
-
- /*
- This is temp. replacement for localtime_r. Normally PR_ExplodeTime should
- be used as to my understanding
- */
-
- /*
- ** $$$$$ THEN WHY ARE WE DOING THIS? - AOF $$$$$
- */
-
- #define NEED_LOCALTIME_R
- #define NEED_GMTIME_R
- #define NEED_ASCTIME_R
- #define NEED_STRTOK_R
- #define NEED_CTIME_R
-
- #if defined (NEED_LOCALTIME_R) || defined (NEED_CTIME_R) || defined (NEED_ASCTIME_R) || defined (NEED_GMTIME_R) || defined (NEED_STRTOK_R)
- #include "prlock.h"
- #endif
-
- #if defined (NEED_LOCALTIME_R)
-
- static PRLock *localtime_r_monitor = NULL;
-
- struct tm *localtime_r (const time_t *clock, struct tm *result)
- {
- struct tm *tmPtr;
- int needLock = PR_Initialized(); /* We need to use a lock to protect
- * against NSPR threads only when the
- * NSPR thread system is activated. */
-
- if (needLock) {
- if (localtime_r_monitor == NULL) {
-
- localtime_r_monitor = PR_NewLock();
- }
- PR_Lock(localtime_r_monitor);
- }
-
- /*
- * On Windows, localtime() returns a NULL pointer if 'clock'
- * represents a time before midnight January 1, 1970. In
- * that case, we also return a NULL pointer and the struct tm
- * object pointed to by 'result' is not modified.
- */
-
- tmPtr = localtime(clock);
- if (tmPtr) {
- *result = *tmPtr;
- } else {
- result = NULL;
- }
-
- if (needLock) PR_Unlock(localtime_r_monitor);
-
- return result;
- }
-
- #endif
-
- #if defined (NEED_GMTIME_R)
-
- static PRLock *gmtime_r_monitor = NULL;
-
- struct tm *gmtime_r (const time_t *clock, struct tm *result)
- {
- struct tm *tmPtr;
- int needLock = PR_Initialized(); /* We need to use a lock to protect
- * against NSPR threads only when the
- * NSPR thread system is activated. */
-
- if (needLock) {
- if (gmtime_r_monitor == NULL) {
- gmtime_r_monitor = PR_NewLock();
- }
- PR_Lock(gmtime_r_monitor);
- }
-
- tmPtr = gmtime(clock);
- if (tmPtr) {
- *result = *tmPtr;
- } else {
- result = NULL;
- }
-
- if (needLock) PR_Unlock(gmtime_r_monitor);
-
- return result;
- }
-
- #endif
-
- #if defined (NEED_CTIME_R)
-
- static PRLock *ctime_r_monitor = NULL;
-
- char *ctime_r (const time_t *clock, char *buf, int buflen)
- {
- char *cbuf;
- int needLock = PR_Initialized(); /* We need to use a lock to protect
- * against NSPR threads only when the
- * NSPR thread system is activated. */
-
- if (needLock) {
-
- if (ctime_r_monitor == NULL) {
- ctime_r_monitor = PR_NewLock();
- }
- PR_Lock(ctime_r_monitor);
- }
-
- cbuf = ctime (clock);
- if (cbuf) {
- strncpy (buf, cbuf, buflen - 1);
- buf[buflen - 1] = 0;
- }
-
- if (needLock) PR_Unlock(ctime_r_monitor);
-
- return cbuf;
- }
-
- #endif
-
- #if defined (NEED_ASCTIME_R)
-
- static PRLock *asctime_r_monitor = NULL;
-
-
- char *asctime_r (const struct tm *tm, char *buf, int buflen)
- {
- char *cbuf;
- int needLock = PR_Initialized(); /* We need to use a lock to protect
- * against NSPR threads only when the
- * NSPR thread system is activated. */
-
- if (needLock) {
- if (asctime_r_monitor == NULL) {
- asctime_r_monitor = PR_NewLock();
- }
- PR_Lock(asctime_r_monitor);
- }
-
- cbuf = asctime (tm);
- if (cbuf) {
- strncpy (buf, cbuf, buflen - 1);
- buf[buflen - 1] = 0;
- }
-
- if (needLock) PR_Unlock(asctime_r_monitor);
-
- return cbuf;
-
- }
- #endif
-
- #if defined (NEED_STRTOK_R)
-
- char *
- strtok_r (s, delim, last)
- register char *s;
- register const char *delim;
- register char **last;
- {
- register char *spanp;
- register int c, sc;
- char *tok;
-
-
- if (s == NULL && (s = *last) == NULL)
- return (NULL);
-
- /*
- * Skip (span) leading delimiters (s += strspn(s, delim), sort of).
- */
- cont:
-
- c = *s++;
- for (spanp = (char *)delim; (sc = *spanp++) != 0;) {
- if (c == sc)
- goto cont;
- }
-
- if (c == 0) { /* no non-delimiter characters */
- *last = NULL;
- return (NULL);
- }
- tok = s - 1;
-
- /*
- * Scan token (scan for delimiters: s += strcspn(s, delim), sort of).
- * Note that delim must have one NUL; we stop if we see that, too.
- */
- for (;;) {
- c = *s++;
- spanp = (char *)delim;
- do {
- if ((sc = *spanp++) == c) {
- if (c == 0)
- s = NULL;
-
- else
- s[-1] = 0;
- *last = s;
- return (tok);
- }
- } while (sc != 0);
- }
- /* NOTREACHED */
- }
-
- #endif
-