1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
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.");
}
|
