Add wrappers for pread and pwrite syscalls.

6 files changed, 119 insertions, 11 deletions

diff --git a/lib/libc/alpha/sys/Makefile.inc b/lib/libc/alpha/sys/Makefile.inc
index e016d7d..4886a86 100644
--- a/lib/libc/alpha/sys/Makefile.inc
+++ b/lib/libc/alpha/sys/Makefile.inc
@@ -1,4 +1,4 @@
-# $Id: Makefile.inc,v 1.2 1998/08/08 02:25:46 jb Exp $
+# $Id: Makefile.inc,v 1.3 1998/08/17 03:36:16 jb Exp $
 
 MDASM+=	Ovfork.S brk.S cerror.S exect.S fork.S pipe.S ptrace.S \
 	sbrk.S setlogin.S sigpending.S sigprocmask.S sigreturn.S \
@@ -7,8 +7,8 @@ MDASM+=	Ovfork.S brk.S cerror.S exect.S fork.S pipe.S ptrace.S \
 # Don't generate default code for these syscalls:
 NOASM=	__semctl.o break.o exit.o ftruncate.o getdomainname.o getlogin.o \
 	lseek.o mlockall.o mmap.o msgctl.o msgget.o msgrcv.o msgsnd.o \
-	munlockall.o openbsd_poll.o semconfig.o semget.o semop.o \
-	setdomainname.o shmat.o shmctl.o shmdt.o shmget.o sstk.o \
+	munlockall.o openbsd_poll.o pread.o pwrite.o semconfig.o semget.o \
+	semop.o setdomainname.o shmat.o shmctl.o shmdt.o shmget.o sstk.o \
 	thr_sleep.o thr_wakeup.o truncate.o uname.o vfork.o yield.o
 
 PSEUDO=	_getlogin.o
diff --git a/lib/libc/amd64/sys/Makefile.inc b/lib/libc/amd64/sys/Makefile.inc
index 9446251..c85ada2 100644
--- a/lib/libc/amd64/sys/Makefile.inc
+++ b/lib/libc/amd64/sys/Makefile.inc
@@ -1,5 +1,5 @@
 #	from: Makefile.inc,v 1.1 1993/09/03 19:04:23 jtc Exp
-#	$Id: Makefile.inc,v 1.11 1998/07/28 03:33:17 jlemon Exp $
+#	$Id: Makefile.inc,v 1.12 1998/07/29 13:43:06 bde Exp $
 
 SRCS+=	i386_get_ioperm.c i386_get_ldt.c i386_set_ioperm.c i386_set_ldt.c \
 	i386_vm86.c
@@ -11,8 +11,8 @@ MDASM=	Ovfork.S brk.S cerror.S exect.S fork.S pipe.S \
 # Don't generate default code for these syscalls:
 NOASM=	__semctl.o break.o exit.o ftruncate.o getdomainname.o getlogin.o \
 	lseek.o mlockall.o mmap.o msgctl.o msgget.o msgrcv.o msgsnd.o \
-	munlockall.o openbsd_poll.o semconfig.o semget.o semop.o \
-	setdomainname.o shmat.o shmctl.o shmdt.o shmget.o sstk.o \
+	munlockall.o openbsd_poll.o pread.o pwrite.o semconfig.o semget.o \
+	semop.o setdomainname.o shmat.o shmctl.o shmdt.o shmget.o sstk.o \
 	thr_sleep.o thr_wakeup.o truncate.o uname.o vfork.o yield.o
 
 PSEUDO=	_getlogin.o
diff --git a/lib/libc/i386/sys/Makefile.inc b/lib/libc/i386/sys/Makefile.inc
index 9446251..c85ada2 100644
--- a/lib/libc/i386/sys/Makefile.inc
+++ b/lib/libc/i386/sys/Makefile.inc
@@ -1,5 +1,5 @@
 #	from: Makefile.inc,v 1.1 1993/09/03 19:04:23 jtc Exp
-#	$Id: Makefile.inc,v 1.11 1998/07/28 03:33:17 jlemon Exp $
+#	$Id: Makefile.inc,v 1.12 1998/07/29 13:43:06 bde Exp $
 
 SRCS+=	i386_get_ioperm.c i386_get_ldt.c i386_set_ioperm.c i386_set_ldt.c \
 	i386_vm86.c
@@ -11,8 +11,8 @@ MDASM=	Ovfork.S brk.S cerror.S exect.S fork.S pipe.S \
 # Don't generate default code for these syscalls:
 NOASM=	__semctl.o break.o exit.o ftruncate.o getdomainname.o getlogin.o \
 	lseek.o mlockall.o mmap.o msgctl.o msgget.o msgrcv.o msgsnd.o \
-	munlockall.o openbsd_poll.o semconfig.o semget.o semop.o \
-	setdomainname.o shmat.o shmctl.o shmdt.o shmget.o sstk.o \
+	munlockall.o openbsd_poll.o pread.o pwrite.o semconfig.o semget.o \
+	semop.o setdomainname.o shmat.o shmctl.o shmdt.o shmget.o sstk.o \
 	thr_sleep.o thr_wakeup.o truncate.o uname.o vfork.o yield.o
 
 PSEUDO=	_getlogin.o
diff --git a/lib/libc/sys/Makefile.inc b/lib/libc/sys/Makefile.inc
index 34e6b7e..e3ed6d1 100644
--- a/lib/libc/sys/Makefile.inc
+++ b/lib/libc/sys/Makefile.inc
@@ -1,5 +1,5 @@
 #	@(#)Makefile.inc	8.3 (Berkeley) 10/24/94
-#	$Id: Makefile.inc,v 1.57 1998/11/24 08:15:08 jkoshy Exp $
+#	$Id: Makefile.inc,v 1.58 1999/04/04 12:29:31 dfr Exp $
 
 # sys sources
 .PATH: ${.CURDIR}/../libc/${MACHINE_ARCH}/sys ${.CURDIR}/../libc/sys
@@ -16,7 +16,7 @@
 .include "${.CURDIR}/../libc/${MACHINE_ARCH}/sys/Makefile.inc"
 
 # Sources common to both syscall interfaces:
-SRCS+=	ftruncate.c lseek.c mmap.c truncate.c
+SRCS+=	ftruncate.c lseek.c mmap.c truncate.c pread.c pwrite.c
 
 # Build __error() into libc, but not libc_r which has it's own:
 .if ${LIB} == "c"
diff --git a/lib/libc/sys/pread.c b/lib/libc/sys/pread.c
new file mode 100644
index 0000000..b639383
--- /dev/null
+++ b/lib/libc/sys/pread.c
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 1992, 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)mmap.c	8.1 (Berkeley) 6/17/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+
+/*
+ * This function provides 64-bit offset padding that
+ * is not supplied by GCC 1.X but is supplied by GCC 2.X.
+ */
+ssize_t
+pread(fd, buf, nbyte, offset)
+	int	fd;
+	void   *buf;
+	size_t	nbyte;
+	off_t	offset;
+{
+	return ((ssize_t)__syscall((quad_t)SYS_pread, fd, buf, nbyte, 0, offset));
+}
diff --git a/lib/libc/sys/pwrite.c b/lib/libc/sys/pwrite.c
new file mode 100644
index 0000000..6fb3c5a
--- /dev/null
+++ b/lib/libc/sys/pwrite.c
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 1992, 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "@(#)mmap.c	8.1 (Berkeley) 6/17/93";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/types.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+
+/*
+ * This function provides 64-bit offset padding that
+ * is not supplied by GCC 1.X but is supplied by GCC 2.X.
+ */
+ssize_t
+pwrite(fd, buf, nbyte, offset)
+	int	fd;
+	const void *buf;
+	size_t	nbyte;
+	off_t	offset;
+{
+	return ((ssize_t)__syscall((quad_t)SYS_pwrite, fd, buf, nbyte, 0, offset));
+}