summaryrefslogtreecommitdiffstats
path: root/nsprpub/pr/src/md/unix/netbsd.c
blob: aa3618a31ae8d02dd70c42b3b9e15e7510a4c4fc (plain)
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
/* -*- 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/. */

#include "primpl.h"

#include <signal.h>
#include <poll.h>
#include <sys/syscall.h>

void _MD_EarlyInit(void)
{
    /*
     * Ignore FPE because coercion of a NaN to an int causes SIGFPE
     * to be raised.
     */
    struct sigaction act;

    act.sa_handler = SIG_IGN;
    sigemptyset(&act.sa_mask);
    act.sa_flags = SA_RESTART;
    sigaction(SIGFPE, &act, 0);
}

PRWord *_MD_HomeGCRegisters(PRThread *t, int isCurrent, int *np)
{
#ifndef _PR_PTHREADS
    if (isCurrent) {
        (void) sigsetjmp(CONTEXT(t), 1);
    }
    *np = sizeof(CONTEXT(t)) / sizeof(PRWord);
    return (PRWord *) CONTEXT(t);
#else
    *np = 0;
    return NULL;
#endif
}

#ifndef _PR_PTHREADS
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 NetBSD */
void
_MD_YIELD(void)
{
    PR_NOT_REACHED("_MD_YIELD should not be called for NetBSD.");
}

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 NetBSD.");
    return PR_FAILURE;
}
#endif /* ! _PR_PTHREADS */