diff options
Diffstat (limited to 'mozilla/nsprpub/pr/src/md/beos/beos.c')
-rw-r--r-- | mozilla/nsprpub/pr/src/md/beos/beos.c | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/mozilla/nsprpub/pr/src/md/beos/beos.c b/mozilla/nsprpub/pr/src/md/beos/beos.c new file mode 100644 index 0000000..dba9ae2 --- /dev/null +++ b/mozilla/nsprpub/pr/src/md/beos/beos.c @@ -0,0 +1,264 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is the Netscape Portable Runtime (NSPR). + * + * The Initial Developer of the Original Code is + * Netscape Communications Corporation. + * Portions created by the Initial Developer are Copyright (C) 1998-2000 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +#include "primpl.h" + +#include <signal.h> +#include <unistd.h> +#include <memory.h> +#include <fcntl.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/time.h> +#include <sys/ioctl.h> +#include <errno.h> + +/* + * Make sure _PRSockLen_t is 32-bit, because we will cast a PRUint32* or + * PRInt32* pointer to a _PRSockLen_t* pointer. + */ +#define _PRSockLen_t int + +/* +** Global lock variable used to bracket calls into rusty libraries that +** aren't thread safe (like libc, libX, etc). +*/ +static PRLock *_pr_rename_lock = NULL; +static PRMonitor *_pr_Xfe_mon = NULL; + +/* + * Variables used by the GC code, initialized in _MD_InitSegs(). + * _pr_zero_fd should be a static variable. Unfortunately, there is + * still some Unix-specific code left in function PR_GrowSegment() + * in file memory/prseg.c that references it, so it needs + * to be a global variable for now. + */ +PRInt32 _pr_zero_fd = -1; +static PRLock *_pr_md_lock = NULL; + +sigset_t timer_set; + +void _PR_UnixInit() +{ + struct sigaction sigact; + int rv; + + sigemptyset(&timer_set); + + sigact.sa_handler = SIG_IGN; + sigemptyset(&sigact.sa_mask); + sigact.sa_flags = 0; + rv = sigaction(SIGPIPE, &sigact, 0); + PR_ASSERT(0 == rv); + + _pr_rename_lock = PR_NewLock(); + PR_ASSERT(NULL != _pr_rename_lock); + _pr_Xfe_mon = PR_NewMonitor(); + PR_ASSERT(NULL != _pr_Xfe_mon); +} + +/* + *----------------------------------------------------------------------- + * + * PR_Now -- + * + * Returns the current time in microseconds since the epoch. + * The epoch is midnight January 1, 1970 GMT. + * The implementation is machine dependent. This is the Unix + * implementation. + * Cf. time_t time(time_t *tp) + * + *----------------------------------------------------------------------- + */ + +PR_IMPLEMENT(PRTime) +PR_Now(void) +{ + struct timeval tv; + PRInt64 s, us, s2us; + + GETTIMEOFDAY(&tv); + LL_I2L(s2us, PR_USEC_PER_SEC); + LL_I2L(s, tv.tv_sec); + LL_I2L(us, tv.tv_usec); + LL_MUL(s, s, s2us); + LL_ADD(s, s, us); + return s; +} + +PRIntervalTime +_PR_UNIX_GetInterval() +{ + struct timeval time; + PRIntervalTime ticks; + + (void)GETTIMEOFDAY(&time); /* fallicy of course */ + ticks = (PRUint32)time.tv_sec * PR_MSEC_PER_SEC; /* that's in milliseconds */ + ticks += (PRUint32)time.tv_usec / PR_USEC_PER_MSEC; /* so's that */ + return ticks; +} /* _PR_SUNOS_GetInterval */ + +PRIntervalTime _PR_UNIX_TicksPerSecond() +{ + return 1000; /* this needs some work :) */ +} + +/************************************************************************/ + +/* +** Special hacks for xlib. Xlib/Xt/Xm is not re-entrant nor is it thread +** safe. Unfortunately, neither is mozilla. To make these programs work +** in a pre-emptive threaded environment, we need to use a lock. +*/ + +void PR_XLock() +{ + PR_EnterMonitor(_pr_Xfe_mon); +} + +void PR_XUnlock() +{ + PR_ExitMonitor(_pr_Xfe_mon); +} + +PRBool PR_XIsLocked() +{ + return (PR_InMonitor(_pr_Xfe_mon)) ? PR_TRUE : PR_FALSE; +} + +void PR_XWait(int ms) +{ + PR_Wait(_pr_Xfe_mon, PR_MillisecondsToInterval(ms)); +} + +void PR_XNotify(void) +{ + PR_Notify(_pr_Xfe_mon); +} + +void PR_XNotifyAll(void) +{ + PR_NotifyAll(_pr_Xfe_mon); +} + +#if !defined(BEOS) +#ifdef HAVE_BSD_FLOCK + +#include <sys/file.h> + +PR_IMPLEMENT(PRStatus) +_MD_LOCKFILE (PRInt32 f) +{ + PRInt32 rv; + rv = flock(f, LOCK_EX); + if (rv == 0) + return PR_SUCCESS; + _PR_MD_MAP_FLOCK_ERROR(_MD_ERRNO()); + return PR_FAILURE; +} + +PR_IMPLEMENT(PRStatus) +_MD_TLOCKFILE (PRInt32 f) +{ + PRInt32 rv; + rv = flock(f, LOCK_EX|LOCK_NB); + if (rv == 0) + return PR_SUCCESS; + _PR_MD_MAP_FLOCK_ERROR(_MD_ERRNO()); + return PR_FAILURE; +} + +PR_IMPLEMENT(PRStatus) +_MD_UNLOCKFILE (PRInt32 f) +{ + PRInt32 rv; + rv = flock(f, LOCK_UN); + if (rv == 0) + return PR_SUCCESS; + _PR_MD_MAP_FLOCK_ERROR(_MD_ERRNO()); + return PR_FAILURE; +} +#else + +PR_IMPLEMENT(PRStatus) +_MD_LOCKFILE (PRInt32 f) +{ + PRInt32 rv; + rv = lockf(f, F_LOCK, 0); + if (rv == 0) + return PR_SUCCESS; + _PR_MD_MAP_LOCKF_ERROR(_MD_ERRNO()); + return PR_FAILURE; +} + +PR_IMPLEMENT(PRStatus) +_MD_TLOCKFILE (PRInt32 f) +{ + PRInt32 rv; + rv = lockf(f, F_TLOCK, 0); + if (rv == 0) + return PR_SUCCESS; + _PR_MD_MAP_LOCKF_ERROR(_MD_ERRNO()); + return PR_FAILURE; +} + +PR_IMPLEMENT(PRStatus) +_MD_UNLOCKFILE (PRInt32 f) +{ + PRInt32 rv; + rv = lockf(f, F_ULOCK, 0); + if (rv == 0) + return PR_SUCCESS; + _PR_MD_MAP_LOCKF_ERROR(_MD_ERRNO()); + return PR_FAILURE; +} +#endif + +PR_IMPLEMENT(PRStatus) + _MD_GETHOSTNAME (char *name, PRUint32 namelen) +{ + PRIntn rv; + + rv = gethostname(name, namelen); + if (0 == rv) { + return PR_SUCCESS; + } + _PR_MD_MAP_GETHOSTNAME_ERROR(_MD_ERRNO()); + return PR_FAILURE; +} + +#endif |