1 files changed, 149 insertions, 0 deletions
diff --git a/nsprpub/pr/src/md/unix/scoos.c b/nsprpub/pr/src/md/unix/scoos.c
new file mode 100644
index 000000000..b727a53ae
--- /dev/null
+++ b/nsprpub/pr/src/md/unix/scoos.c
@@ -0,0 +1,149 @@
+/* -*- 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/. */
+
+/*
+ * SCO ODT 5.0 - originally created by mikep
+ */
+#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, 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_ADD(PRInt32 *ptr, PRInt32 val)
+{
+    flockfile(_uw_semf);
+    (*ptr) += 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 SCO */
+void
+_MD_YIELD(void)
+{
+    PR_NOT_REACHED("_MD_YIELD should not be called for SCO.");
+}
+
+PRStatus
+_MD_CREATE_THREAD(
+    PRThread *thread,
+    void (*start) (void *),
+    PRThreadPriority priority,
+    PRThreadScope scope,
+    PRThreadState state,
+    PRUint32 stackSize)
+{
+    PR_NOT_REACHED("_MD_CREATE_THREAD should not be called for SCO.");
+}