The Tor Browser: nsprpub/pr/src/md/unix/scoos.c@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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/. */

     6 /*

     7  * SCO ODT 5.0 - originally created by mikep

     8  */

     9 #include "primpl.h"

    11 #include <setjmp.h>

    13 void _MD_EarlyInit(void)

    14 {

    15 }

    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 }

    26 #ifdef ALARMS_BREAK_TCP /* I don't think they do */

    28 PRInt32 _MD_connect(PRInt32 osfd, PRNetAddr *addr, PRInt32 addrlen,

    29                         PRIntervalTime timeout)

    30 {

    31     PRInt32 rv;

    33     _MD_BLOCK_CLOCK_INTERRUPTS();

    34     rv = _connect(osfd,addr,addrlen);

    35     _MD_UNBLOCK_CLOCK_INTERRUPTS();

    36 }

    38 PRInt32 _MD_accept(PRInt32 osfd, PRNetAddr *addr, PRInt32 addrlen,

    39                         PRIntervalTime timeout)

    40 {

    41     PRInt32 rv;

    43     _MD_BLOCK_CLOCK_INTERRUPTS();

    44     rv = _accept(osfd,addr,addrlen);

    45     _MD_UNBLOCK_CLOCK_INTERRUPTS();

    46     return(rv);

    47 }

    48 #endif

    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;

    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);

    67     return;

    68 }

    70 void

    71 _MD_ATOMIC_INCREMENT(PRInt32 *val)

    72 {

    73     flockfile(_uw_semf);

    74     (*val)++;

    75     unflockfile(_uw_semf);

    76 }

    78 void

    79 _MD_ATOMIC_ADD(PRInt32 *ptr, PRInt32 val)

    80 {

    81     flockfile(_uw_semf);

    82     (*ptr) += val;

    83     unflockfile(_uw_semf);

    84 }

    86 void

    87 _MD_ATOMIC_DECREMENT(PRInt32 *val)

    88 {

    89     flockfile(_uw_semf);

    90     (*val)--;

    91     unflockfile(_uw_semf);

    92 }

    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

   103 void

   104 _MD_SET_PRIORITY(_MDThread *thread, PRUintn newPri)

   105 {

   106     return;

   107 }

   109 PRStatus

   110 _MD_InitializeThread(PRThread *thread)

   111 {

   112 	return PR_SUCCESS;

   113 }

   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 }

   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 }

   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 }

   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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