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authordt <dt@FreeBSD.org>1999-04-04 21:46:24 +0000
committerdt <dt@FreeBSD.org>1999-04-04 21:46:24 +0000
commit7d58f8f5343edfa21d75cfcb0418b9f876b2ef99 (patch)
treeac555bbb40d28cd5722c37b876fbff8de5f246bc
parent426a328be575e9771ae5d30f0a731a657673eebf (diff)
downloadFreeBSD-src-7d58f8f5343edfa21d75cfcb0418b9f876b2ef99.zip
FreeBSD-src-7d58f8f5343edfa21d75cfcb0418b9f876b2ef99.tar.gz
Add wrappers for pread and pwrite syscalls.
-rw-r--r--lib/libc/alpha/sys/Makefile.inc6
-rw-r--r--lib/libc/amd64/sys/Makefile.inc6
-rw-r--r--lib/libc/i386/sys/Makefile.inc6
-rw-r--r--lib/libc/sys/Makefile.inc4
-rw-r--r--lib/libc/sys/pread.c54
-rw-r--r--lib/libc/sys/pwrite.c54
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));
+}
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