nsprpub/pr/src/md/unix/scoos.c

branch
TOR_BUG_3246
changeset 5
4ab42b5ab56c
equal deleted inserted replaced
-1:000000000000 0:dd8bea29604b
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5
6 /*
7 * SCO ODT 5.0 - originally created by mikep
8 */
9 #include "primpl.h"
10
11 #include <setjmp.h>
12
13 void _MD_EarlyInit(void)
14 {
15 }
16
17 PRWord *_MD_HomeGCRegisters(PRThread *t, int isCurrent, int *np)
18 {
19 if (isCurrent) {
20 (void) setjmp(CONTEXT(t));
21 }
22 *np = sizeof(CONTEXT(t)) / sizeof(PRWord);
23 return (PRWord *) CONTEXT(t);
24 }
25
26 #ifdef ALARMS_BREAK_TCP /* I don't think they do */
27
28 PRInt32 _MD_connect(PRInt32 osfd, PRNetAddr *addr, PRInt32 addrlen,
29 PRIntervalTime timeout)
30 {
31 PRInt32 rv;
32
33 _MD_BLOCK_CLOCK_INTERRUPTS();
34 rv = _connect(osfd,addr,addrlen);
35 _MD_UNBLOCK_CLOCK_INTERRUPTS();
36 }
37
38 PRInt32 _MD_accept(PRInt32 osfd, PRNetAddr *addr, PRInt32 addrlen,
39 PRIntervalTime timeout)
40 {
41 PRInt32 rv;
42
43 _MD_BLOCK_CLOCK_INTERRUPTS();
44 rv = _accept(osfd,addr,addrlen);
45 _MD_UNBLOCK_CLOCK_INTERRUPTS();
46 return(rv);
47 }
48 #endif
49
50 /*
51 * These are also implemented in pratom.c using NSPR locks. Any reason
52 * this might be better or worse? If you like this better, define
53 * _PR_HAVE_ATOMIC_OPS in include/md/unixware.h
54 */
55 #ifdef _PR_HAVE_ATOMIC_OPS
56 /* Atomic operations */
57 #include <stdio.h>
58 static FILE *_uw_semf;
59
60 void
61 _MD_INIT_ATOMIC(void)
62 {
63 /* Sigh. Sure wish SYSV semaphores weren't such a pain to use */
64 if ((_uw_semf = tmpfile()) == NULL)
65 PR_ASSERT(0);
66
67 return;
68 }
69
70 void
71 _MD_ATOMIC_INCREMENT(PRInt32 *val)
72 {
73 flockfile(_uw_semf);
74 (*val)++;
75 unflockfile(_uw_semf);
76 }
77
78 void
79 _MD_ATOMIC_ADD(PRInt32 *ptr, PRInt32 val)
80 {
81 flockfile(_uw_semf);
82 (*ptr) += val;
83 unflockfile(_uw_semf);
84 }
85
86 void
87 _MD_ATOMIC_DECREMENT(PRInt32 *val)
88 {
89 flockfile(_uw_semf);
90 (*val)--;
91 unflockfile(_uw_semf);
92 }
93
94 void
95 _MD_ATOMIC_SET(PRInt32 *val, PRInt32 newval)
96 {
97 flockfile(_uw_semf);
98 *val = newval;
99 unflockfile(_uw_semf);
100 }
101 #endif
102
103 void
104 _MD_SET_PRIORITY(_MDThread *thread, PRUintn newPri)
105 {
106 return;
107 }
108
109 PRStatus
110 _MD_InitializeThread(PRThread *thread)
111 {
112 return PR_SUCCESS;
113 }
114
115 PRStatus
116 _MD_WAIT(PRThread *thread, PRIntervalTime ticks)
117 {
118 PR_ASSERT(!(thread->flags & _PR_GLOBAL_SCOPE));
119 _PR_MD_SWITCH_CONTEXT(thread);
120 return PR_SUCCESS;
121 }
122
123 PRStatus
124 _MD_WAKEUP_WAITER(PRThread *thread)
125 {
126 if (thread) {
127 PR_ASSERT(!(thread->flags & _PR_GLOBAL_SCOPE));
128 }
129 return PR_SUCCESS;
130 }
131
132 /* These functions should not be called for SCO */
133 void
134 _MD_YIELD(void)
135 {
136 PR_NOT_REACHED("_MD_YIELD should not be called for SCO.");
137 }
138
139 PRStatus
140 _MD_CREATE_THREAD(
141 PRThread *thread,
142 void (*start) (void *),
143 PRThreadPriority priority,
144 PRThreadScope scope,
145 PRThreadState state,
146 PRUint32 stackSize)
147 {
148 PR_NOT_REACHED("_MD_CREATE_THREAD should not be called for SCO.");
149 }

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