mirror of
https://git.FreeBSD.org/ports.git
synced 2025-01-19 08:13:21 +00:00
Add option to ignore posix priority scheduling.
Add threadsafe versions of some libc functions on FreeBSD 4.x. Register liblgcc_r_pic.a as installed for FreeBSD 5.x.
This commit is contained in:
parent
f9916a4991
commit
deaa638071
Notes:
svn2git
2021-03-31 03:12:20 +00:00
svn path=/head/; revision=102330
@ -7,7 +7,7 @@
|
||||
|
||||
PORTNAME= linuxthreads
|
||||
PORTVERSION= 2.2.3
|
||||
PORTREVISION= 13
|
||||
PORTREVISION= 14
|
||||
CATEGORIES= devel
|
||||
MASTER_SITES= ${MASTER_SITE_GNU}
|
||||
MASTER_SITE_SUBDIR= glibc
|
||||
@ -42,11 +42,14 @@ MAKE_ENV+= LINUXTHREADS_DETECT_UNSAFE_EXIT=yes
|
||||
MAKE_ENV+= LINUXTHREADS_WRAP_API=yes
|
||||
MAKE_ENV+= LINUXTHREADS_WRAP_LD="sh ${FILESDIR}/ldwrap"
|
||||
.endif
|
||||
.if defined(LINUXTHREADS_NO_POSIX_PRIORITY_SCHEDULING)
|
||||
MAKE_ENV+= LINUXTHREADS_NO_POSIX_PRIORITY_SCHEDULING=yes
|
||||
.endif
|
||||
|
||||
threads_files := README.FreeBSD clone.S clone.h freebsd-compat.h getgr_r.c \
|
||||
gethostby_r.c getnetby_r.c getprotoby_r.c getpw_r.c getservby_r.c \
|
||||
lclone.c libc_calls.c libc_thread.c sched.c uthread_file.c \
|
||||
wraputhread.c localtime.c
|
||||
wraputhread.c localtime.c getlogin.c telldir.c ttyname.c
|
||||
|
||||
WRKSRC= ${WRKDIR}/${PKGNAME}
|
||||
SRC_BASE= /usr/src
|
||||
@ -73,6 +76,13 @@ pre-fetch:
|
||||
@${ECHO} "LINUXTHREADS_WRAP_API, see files/README.FreeBSD"
|
||||
@${ECHO} "for more info."
|
||||
@${ECHO}
|
||||
.endif
|
||||
.if !defined(LINUXTHREADS_NO_POSIX_PRIORITY_SCHEDULING)
|
||||
@${ECHO}
|
||||
@${ECHO} "Use of POSIX priority scheduling can be turned off by"
|
||||
@${ECHO} "defining LINUXTHREADS_NO_POSIX_PRIORITY_SCHEDULING,"
|
||||
@${ECHO} "see files/README.FreeBSD for more info."
|
||||
@${ECHO}
|
||||
.endif
|
||||
@if ${TEST} -f /usr/src/gnu/lib/libgcc/Makefile; then \
|
||||
: ; \
|
||||
@ -107,6 +117,9 @@ post-extract:
|
||||
.endfor
|
||||
@cd ${FILESDIR} ; \
|
||||
${CP} -p ${threads_files} ${WRKSRC}/.
|
||||
@${SED} -f ${FILESDIR}/strptime.sed \
|
||||
/usr/src/lib/libc/stdtime/strptime.c \
|
||||
> ${WRKSRC}/strptime.c
|
||||
@${MKDIR} ${WRKSRC}/libgcc_r
|
||||
@${TEST} -f ${WRKSRC}/libgcc_r/Makefile || \
|
||||
${LN} -s ${FILESDIR}/Makefile.libgcc_r ${WRKSRC}/libgcc_r/Makefile
|
||||
@ -195,6 +208,11 @@ PLIST_SUB+= PICARCHIVE:=""
|
||||
.else
|
||||
PLIST_SUB+= PICARCHIVE:="@comment "
|
||||
.endif
|
||||
.if defined(INSTALL_PIC_ARCHIVE) || ${OSVERSION} >= 501101
|
||||
PLIST_SUB+= LIBLGCC_R_PICARCHIVE:=""
|
||||
.else
|
||||
PLIST_SUB+= LIBLGCC_R_PICARCHIVE:="@comment "
|
||||
.endif
|
||||
.if defined(INSTALL_PIC_ARCHIVE) || defined(INSTALL_LIBLTHREAD_PIC_ARCHIVE)
|
||||
PLIST_SUB+= LIBLTHREADPICARCHIVE:=""
|
||||
.else
|
||||
|
@ -130,3 +130,11 @@ set at 20 + 16 * MAXUSERS.
|
||||
If other threads has been joined by the main thread before it calls
|
||||
exit then exit handling should be fairly safe and the correct exit
|
||||
code can be detected by the parent process.
|
||||
|
||||
6) If the rate of sched_yield() calls is very high (due to
|
||||
malloc / spinlock interaction) then
|
||||
LINUXTHREADS_NO_POSIX_PRIORITY_SCHEDULING can be defined when
|
||||
compiling the linuxthreads library. This has the same effect
|
||||
as if the kernel was compiled without the _KPOSIX_PRIORITY_SCHEDULING
|
||||
option, but limited to the linuxthread library.
|
||||
|
||||
|
113
devel/linuxthreads/files/getlogin.c
Normal file
113
devel/linuxthreads/files/getlogin.c
Normal file
@ -0,0 +1,113 @@
|
||||
/*
|
||||
* Copyright (c) 1988, 1993
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* $FreeBSD: src/lib/libc/gen/getlogin.c,v 1.4.2.1 2001/03/05 09:06:50 obrien Exp $
|
||||
*/
|
||||
|
||||
#if __FreeBSD__ < 5
|
||||
#if defined(LIBC_SCCS) && !defined(lint)
|
||||
static char sccsid[] = "@(#)getlogin.c 8.1 (Berkeley) 6/4/93";
|
||||
#endif /* LIBC_SCCS and not lint */
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <errno.h>
|
||||
#include <pwd.h>
|
||||
#include <utmp.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#ifndef _THREAD_SAFE
|
||||
#define THREAD_LOCK()
|
||||
#define THREAD_UNLOCK()
|
||||
#else
|
||||
#include <pthread.h>
|
||||
extern int __isthreaded;
|
||||
static pthread_mutex_t logname_mutex = PTHREAD_MUTEX_INITIALIZER;
|
||||
#define THREAD_LOCK() if (__isthreaded) pthread_mutex_lock(&logname_mutex)
|
||||
#define THREAD_UNLOCK() if (__isthreaded) pthread_mutex_unlock(&logname_mutex)
|
||||
#endif /* _THREAD_SAFE */
|
||||
|
||||
int _logname_valid; /* known to setlogin() */
|
||||
int _getlogin(char *, unsigned int);
|
||||
|
||||
static char *
|
||||
getlogin_basic(int *status)
|
||||
{
|
||||
static char logname[MAXLOGNAME];
|
||||
|
||||
if (_logname_valid == 0) {
|
||||
#ifdef __NETBSD_SYSCALLS
|
||||
if (__getlogin(logname, sizeof(logname) - 1) < 0) {
|
||||
#else
|
||||
if (_getlogin(logname, sizeof(logname)) < 0) {
|
||||
#endif
|
||||
*status = errno;
|
||||
return (NULL);
|
||||
}
|
||||
_logname_valid = 1;
|
||||
}
|
||||
*status = 0;
|
||||
return (*logname ? logname : NULL);
|
||||
}
|
||||
|
||||
char *
|
||||
getlogin(void)
|
||||
{
|
||||
char *result;
|
||||
int status;
|
||||
|
||||
THREAD_LOCK();
|
||||
result = getlogin_basic(&status);
|
||||
THREAD_UNLOCK();
|
||||
return (result);
|
||||
}
|
||||
|
||||
int
|
||||
getlogin_r(char *logname, int namelen)
|
||||
{
|
||||
char *result;
|
||||
int len;
|
||||
int status;
|
||||
|
||||
THREAD_LOCK();
|
||||
result = getlogin_basic(&status);
|
||||
if (status == 0) {
|
||||
if ((len = strlen(result) + 1) > namelen)
|
||||
status = ERANGE;
|
||||
else
|
||||
strncpy(logname, result, len);
|
||||
}
|
||||
THREAD_UNLOCK();
|
||||
return (status);
|
||||
}
|
||||
#endif /* __FreeBSD__ < 5 */
|
@ -82,6 +82,7 @@ static void _pthread_initialize(void)
|
||||
{
|
||||
|
||||
#if defined(LINUXTHREADS)
|
||||
#if !defined(LINUXTHREADS_NO_POSIX_PRIORITY_SCHEDULING)
|
||||
int mib[2];
|
||||
size_t len;
|
||||
|
||||
@ -90,6 +91,7 @@ static void _pthread_initialize(void)
|
||||
mib[1] = CTL_P1003_1B_PRIORITY_SCHEDULING;
|
||||
if (-1 == sysctl (mib, 2, &_posix_priority_scheduling, &len, NULL, 0))
|
||||
_posix_priority_scheduling = 0;
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/* This turns on thread safe behaviour in libc when we link with it */
|
||||
|
@ -13,7 +13,7 @@ diff -ru ../../work/linuxthreads-2.2.3/Examples/Makefile ./Examples/Makefile
|
||||
diff -ru ../../work/linuxthreads-2.2.3/Makefile ./Makefile
|
||||
--- ../../work/linuxthreads-2.2.3/Makefile Wed Apr 25 21:50:59 2001
|
||||
+++ ./Makefile Thu Jun 7 23:13:52 2001
|
||||
@@ -1,128 +1,122 @@
|
||||
@@ -1,128 +1,126 @@
|
||||
-# Copyright (C) 1996,1997,1998,1999,2000,2001 Free Software Foundation, Inc.
|
||||
-# This file is part of the GNU C Library.
|
||||
+LIB=lthread
|
||||
@ -74,6 +74,10 @@ diff -ru ../../work/linuxthreads-2.2.3/Makefile ./Makefile
|
||||
+LD=${LINUXTHREADS_WRAP_LD}
|
||||
+.endif
|
||||
+
|
||||
+.if defined(LINUXTHREADS_NO_POSIX_PRIORITY_SCHEDULING)
|
||||
+CFLAGS += -DLINUXTHREADS_NO_POSIX_PRIORITY_SCHEDULING
|
||||
+.endif
|
||||
+
|
||||
+CFLAGS += -I${LIBSRC_BASE}/libc/${MACHINE_ARCH} -I${.CURDIR}/sysdeps/${MACHINE_ARCH}
|
||||
+
|
||||
+# Contents of the library.
|
||||
@ -82,7 +86,7 @@ diff -ru ../../work/linuxthreads-2.2.3/Makefile ./Makefile
|
||||
+ libc_calls.c libc_thread.c manager.c mutex.c pt-machine.c ptfork.c \
|
||||
+ pthread.c ptlongjmp.c rwlock.c sched.c semaphore.c signals.c \
|
||||
+ specific.c spinlock.c uthread_file.c wraputhread.c wrapsyscall.c \
|
||||
+ barrier.c localtime.c
|
||||
+ barrier.c localtime.c getlogin.c telldir.c ttyname.c strptime.c
|
||||
+
|
||||
+.if defined(USING_GCC3)
|
||||
+SOBJS += libgcc_r/unwind-sjlj.o libgcc_r/unwind-dw2.o libgcc_r/unwind-dw2-fde.o
|
||||
|
9
devel/linuxthreads/files/strptime.sed
Normal file
9
devel/linuxthreads/files/strptime.sed
Normal file
@ -0,0 +1,9 @@
|
||||
1i\
|
||||
#if __FreeBSD__ == 4
|
||||
/.*MUTEX_STATIC.*/d
|
||||
/^#include "pthread_private.h"/d
|
||||
s/\&_gotgmt_mutexd/PTHREAD_MUTEX_INITIALIZER/
|
||||
s/\&logname_lock/PTHREAD_MUTEX_INITIALIZER/
|
||||
s/#include <libc_private.h>/extern int __isthreaded;/
|
||||
$a\
|
||||
#endif /* __FreeBSD__ == 4 */
|
182
devel/linuxthreads/files/telldir.c
Normal file
182
devel/linuxthreads/files/telldir.c
Normal file
@ -0,0 +1,182 @@
|
||||
/*
|
||||
* Copyright (c) 1983, 1993
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* $FreeBSD: src/lib/libc/gen/telldir.c,v 1.4.12.1 2001/03/05 09:39:59 obrien Exp $
|
||||
*/
|
||||
|
||||
#if __FreeBSD__ < 5
|
||||
#if defined(LIBC_SCCS) && !defined(lint)
|
||||
static char sccsid[] = "@(#)telldir.c 8.1 (Berkeley) 6/4/93";
|
||||
#endif /* LIBC_SCCS and not lint */
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <dirent.h>
|
||||
#include <stdlib.h>
|
||||
#include <unistd.h>
|
||||
|
||||
/*
|
||||
* The option SINGLEUSE may be defined to say that a telldir
|
||||
* cookie may be used only once before it is freed. This option
|
||||
* is used to avoid having memory usage grow without bound.
|
||||
*/
|
||||
#define SINGLEUSE
|
||||
|
||||
/*
|
||||
* One of these structures is malloced to describe the current directory
|
||||
* position each time telldir is called. It records the current magic
|
||||
* cookie returned by getdirentries and the offset within the buffer
|
||||
* associated with that return value.
|
||||
*/
|
||||
struct ddloc {
|
||||
struct ddloc *loc_next;/* next structure in list */
|
||||
long loc_index; /* key associated with structure */
|
||||
long loc_seek; /* magic cookie returned by getdirentries */
|
||||
long loc_loc; /* offset of entry in buffer */
|
||||
const DIR* loc_dirp; /* directory which used this entry */
|
||||
};
|
||||
|
||||
#define NDIRHASH 32 /* Num of hash lists, must be a power of 2 */
|
||||
#define LOCHASH(i) ((i)&(NDIRHASH-1))
|
||||
|
||||
static long dd_loccnt; /* Index of entry for sequential readdir's */
|
||||
static struct ddloc *dd_hash[NDIRHASH]; /* Hash list heads for ddlocs */
|
||||
|
||||
#ifdef _THREAD_SAFE
|
||||
#include <pthread.h>
|
||||
extern int __isthreaded;
|
||||
static pthread_mutex_t telldir_mutex = PTHREAD_MUTEX_INITIALIZER;
|
||||
#define THREAD_LOCK() if (__isthreaded) pthread_mutex_lock(&telldir_mutex)
|
||||
#define THREAD_UNLOCK() if (__isthreaded) pthread_mutex_unlock(&telldir_mutex)
|
||||
#else
|
||||
#define THREAD_LOCK()
|
||||
#define THREAD_UNLOCK()
|
||||
#endif
|
||||
|
||||
/*
|
||||
* return a pointer into a directory
|
||||
*/
|
||||
long
|
||||
telldir(dirp)
|
||||
const DIR *dirp;
|
||||
{
|
||||
int index;
|
||||
struct ddloc *lp;
|
||||
|
||||
if ((lp = (struct ddloc *)malloc(sizeof(struct ddloc))) == NULL)
|
||||
return (-1);
|
||||
THREAD_LOCK();
|
||||
index = dd_loccnt++;
|
||||
lp->loc_index = index;
|
||||
lp->loc_seek = dirp->dd_seek;
|
||||
lp->loc_loc = dirp->dd_loc;
|
||||
lp->loc_dirp = dirp;
|
||||
lp->loc_next = dd_hash[LOCHASH(index)];
|
||||
dd_hash[LOCHASH(index)] = lp;
|
||||
THREAD_UNLOCK();
|
||||
return (index);
|
||||
}
|
||||
|
||||
/*
|
||||
* seek to an entry in a directory.
|
||||
* Only values returned by "telldir" should be passed to seekdir.
|
||||
*/
|
||||
void
|
||||
_seekdir(dirp, loc)
|
||||
DIR *dirp;
|
||||
long loc;
|
||||
{
|
||||
struct ddloc *lp;
|
||||
struct ddloc **prevlp;
|
||||
struct dirent *dp;
|
||||
|
||||
THREAD_LOCK();
|
||||
prevlp = &dd_hash[LOCHASH(loc)];
|
||||
lp = *prevlp;
|
||||
while (lp != NULL) {
|
||||
if (lp->loc_index == loc)
|
||||
break;
|
||||
prevlp = &lp->loc_next;
|
||||
lp = lp->loc_next;
|
||||
}
|
||||
if (lp == NULL) {
|
||||
THREAD_UNLOCK();
|
||||
return;
|
||||
}
|
||||
#ifdef SINGLEUSE
|
||||
*prevlp = lp->loc_next;
|
||||
#endif
|
||||
THREAD_UNLOCK();
|
||||
if (lp->loc_loc == dirp->dd_loc && lp->loc_seek == dirp->dd_seek)
|
||||
goto found;
|
||||
(void) lseek(dirp->dd_fd, (off_t)lp->loc_seek, SEEK_SET);
|
||||
dirp->dd_seek = lp->loc_seek;
|
||||
dirp->dd_loc = 0;
|
||||
while (dirp->dd_loc < lp->loc_loc) {
|
||||
dp = readdir(dirp);
|
||||
if (dp == NULL)
|
||||
break;
|
||||
}
|
||||
found:
|
||||
#ifdef SINGLEUSE
|
||||
free((caddr_t)lp);
|
||||
#endif
|
||||
}
|
||||
|
||||
/*
|
||||
* Reclaim memory for telldir cookies which weren't used.
|
||||
*/
|
||||
void
|
||||
_reclaim_telldir(dirp)
|
||||
const DIR *dirp;
|
||||
{
|
||||
struct ddloc *lp;
|
||||
struct ddloc **prevlp;
|
||||
int i;
|
||||
|
||||
THREAD_LOCK();
|
||||
for (i = 0; i < NDIRHASH; i++) {
|
||||
prevlp = &dd_hash[i];
|
||||
lp = *prevlp;
|
||||
while (lp != NULL) {
|
||||
if (lp->loc_dirp == dirp) {
|
||||
*prevlp = lp->loc_next;
|
||||
free((caddr_t)lp);
|
||||
lp = *prevlp;
|
||||
continue;
|
||||
}
|
||||
prevlp = &lp->loc_next;
|
||||
lp = lp->loc_next;
|
||||
}
|
||||
}
|
||||
THREAD_UNLOCK();
|
||||
}
|
||||
#endif /* __FreeBSD__ < 5 */
|
215
devel/linuxthreads/files/ttyname.c
Normal file
215
devel/linuxthreads/files/ttyname.c
Normal file
@ -0,0 +1,215 @@
|
||||
/*
|
||||
* Copyright (c) 1988, 1993
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. All advertising materials mentioning features or use of this software
|
||||
* must display the following acknowledgement:
|
||||
* This product includes software developed by the University of
|
||||
* California, Berkeley and its contributors.
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
* $FreeBSD: src/lib/libc/gen/ttyname.c,v 1.10.6.2 2002/10/15 19:46:46 fjoe Exp $
|
||||
*/
|
||||
|
||||
#if __FreeBSD__ < 5
|
||||
#if defined(LIBC_SCCS) && !defined(lint)
|
||||
static char sccsid[] = "@(#)ttyname.c 8.2 (Berkeley) 1/27/94";
|
||||
#endif /* LIBC_SCCS and not lint */
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
#include <fcntl.h>
|
||||
#include <dirent.h>
|
||||
#include <stdlib.h>
|
||||
#include <termios.h>
|
||||
#include <unistd.h>
|
||||
#include <db.h>
|
||||
#include <string.h>
|
||||
#include <paths.h>
|
||||
|
||||
#ifdef _THREAD_SAFE
|
||||
#include <pthread.h>
|
||||
static pthread_mutex_t ttyname_lock = PTHREAD_MUTEX_INITIALIZER;
|
||||
static pthread_key_t ttyname_key;
|
||||
static int ttyname_init = 0;
|
||||
char *__ttyname_basic(int fd);
|
||||
|
||||
char *
|
||||
ttyname(int fd)
|
||||
{
|
||||
char *ret;
|
||||
|
||||
ret = __ttyname_basic(fd);
|
||||
|
||||
return (ret);
|
||||
}
|
||||
|
||||
char *
|
||||
__ttyname_r_basic(int fd, char *buf, size_t len)
|
||||
{
|
||||
register struct dirent *dirp;
|
||||
register DIR *dp;
|
||||
struct stat dsb;
|
||||
struct stat sb;
|
||||
char *rval;
|
||||
int minlen;
|
||||
|
||||
rval = NULL;
|
||||
|
||||
/* Must be a terminal. */
|
||||
if (!isatty(fd))
|
||||
return (rval);
|
||||
/* Must be a character device. */
|
||||
if (fstat(fd, &sb) || !S_ISCHR(sb.st_mode))
|
||||
return (rval);
|
||||
/* Must have enough room */
|
||||
if (len <= sizeof(_PATH_DEV))
|
||||
return (rval);
|
||||
|
||||
if ((dp = opendir(_PATH_DEV)) != NULL) {
|
||||
memcpy(buf, _PATH_DEV, sizeof(_PATH_DEV));
|
||||
for (rval = NULL; (dirp = readdir(dp)) != NULL;) {
|
||||
if (dirp->d_fileno != sb.st_ino)
|
||||
continue;
|
||||
minlen = (len - (sizeof(_PATH_DEV) - 1)) < (dirp->d_namlen + 1) ?
|
||||
(len - (sizeof(_PATH_DEV) - 1)) : (dirp->d_namlen + 1);
|
||||
memcpy(buf + sizeof(_PATH_DEV) - 1, dirp->d_name, minlen);
|
||||
if (stat(buf, &dsb) || sb.st_dev != dsb.st_dev ||
|
||||
sb.st_ino != dsb.st_ino)
|
||||
continue;
|
||||
rval = buf;
|
||||
break;
|
||||
}
|
||||
(void) closedir(dp);
|
||||
}
|
||||
return (rval);
|
||||
}
|
||||
|
||||
char *
|
||||
__ttyname_basic(int fd)
|
||||
{
|
||||
char *buf;
|
||||
|
||||
pthread_mutex_lock(&ttyname_lock);
|
||||
if (ttyname_init == 0) {
|
||||
if (pthread_key_create(&ttyname_key, free)) {
|
||||
pthread_mutex_unlock(&ttyname_lock);
|
||||
return (NULL);
|
||||
}
|
||||
ttyname_init = 1;
|
||||
}
|
||||
pthread_mutex_unlock(&ttyname_lock);
|
||||
|
||||
/* Must have thread specific data field to put data */
|
||||
if ((buf = pthread_getspecific(ttyname_key)) == NULL) {
|
||||
if ((buf = malloc(sizeof(_PATH_DEV) + MAXNAMLEN)) != NULL) {
|
||||
if (pthread_setspecific(ttyname_key, buf) != 0) {
|
||||
free(buf);
|
||||
return (NULL);
|
||||
}
|
||||
} else {
|
||||
return (NULL);
|
||||
}
|
||||
}
|
||||
return (__ttyname_r_basic(fd, buf, sizeof(_PATH_DEV) + MAXNAMLEN));
|
||||
}
|
||||
|
||||
char *
|
||||
ttyname_r(int fd, char *buf, size_t len)
|
||||
{
|
||||
char *ret;
|
||||
|
||||
ret = __ttyname_r_basic(fd, buf, len);
|
||||
return (ret);
|
||||
}
|
||||
#else
|
||||
static char buf[sizeof(_PATH_DEV) + MAXNAMLEN] = _PATH_DEV;
|
||||
static char *oldttyname __P((int, struct stat *));
|
||||
|
||||
char *
|
||||
ttyname(fd)
|
||||
int fd;
|
||||
{
|
||||
struct stat sb;
|
||||
struct termios ttyb;
|
||||
DB *db;
|
||||
DBT data, key;
|
||||
struct {
|
||||
mode_t type;
|
||||
dev_t dev;
|
||||
} bkey;
|
||||
|
||||
/* Must be a terminal. */
|
||||
if (tcgetattr(fd, &ttyb) < 0)
|
||||
return (NULL);
|
||||
/* Must be a character device. */
|
||||
if (fstat(fd, &sb) || !S_ISCHR(sb.st_mode))
|
||||
return (NULL);
|
||||
|
||||
if ( (db = dbopen(_PATH_DEVDB, O_RDONLY, 0, DB_HASH, NULL)) ) {
|
||||
memset(&bkey, 0, sizeof(bkey));
|
||||
bkey.type = S_IFCHR;
|
||||
bkey.dev = sb.st_rdev;
|
||||
key.data = &bkey;
|
||||
key.size = sizeof(bkey);
|
||||
if (!(db->get)(db, &key, &data, 0)) {
|
||||
bcopy(data.data,
|
||||
buf + sizeof(_PATH_DEV) - 1, data.size);
|
||||
(void)(db->close)(db);
|
||||
return (buf);
|
||||
}
|
||||
(void)(db->close)(db);
|
||||
}
|
||||
return (oldttyname(fd, &sb));
|
||||
}
|
||||
|
||||
static char *
|
||||
oldttyname(fd, sb)
|
||||
int fd;
|
||||
struct stat *sb;
|
||||
{
|
||||
register struct dirent *dirp;
|
||||
register DIR *dp;
|
||||
struct stat dsb;
|
||||
|
||||
if ((dp = opendir(_PATH_DEV)) == NULL)
|
||||
return (NULL);
|
||||
|
||||
while ( (dirp = readdir(dp)) ) {
|
||||
if (dirp->d_fileno != sb->st_ino)
|
||||
continue;
|
||||
bcopy(dirp->d_name, buf + sizeof(_PATH_DEV) - 1,
|
||||
dirp->d_namlen + 1);
|
||||
if (stat(buf, &dsb) || sb->st_dev != dsb.st_dev ||
|
||||
sb->st_ino != dsb.st_ino)
|
||||
continue;
|
||||
(void)closedir(dp);
|
||||
return (buf);
|
||||
}
|
||||
(void)closedir(dp);
|
||||
return (NULL);
|
||||
}
|
||||
#endif
|
||||
#endif /* __FreeBSD__ < 5 */
|
@ -5,7 +5,7 @@ lib/liblthread.a
|
||||
%%PIC:%%lib/liblthread.so.%%LTHREADSHMAJOR:%%.2
|
||||
lib/liblgcc_r.a
|
||||
%%PROFILE:%%lib/liblgcc_r_p.a
|
||||
%%PICARCHIVE:%%lib/liblgcc_r_pic.a
|
||||
%%LIBLGCC_R_PICARCHIVE:%%lib/liblgcc_r_pic.a
|
||||
%%GCC3ONLY:%%lib/liblstdc++.a
|
||||
%%GCC3ONLY:%%%%PROFILE:%%lib/liblstdc++_p.a
|
||||
%%GCC3ONLY:%%%%PICARCHIVE:%%lib/liblstdc++_pic.a
|
||||
|
Loading…
Reference in New Issue
Block a user