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authorRoland McGrath <roland@gnu.org>1995-11-26 17:32:10 +0000
committerRoland McGrath <roland@gnu.org>1995-11-26 17:32:10 +0000
commitfbaad1494f7fa9e52c391a926d1c3a015604eb58 (patch)
treeb40487798dd252bb73ced92f96a842e598d0ef05
parentf44820454cd5266a807041bd5e5ae36b4f4f6d84 (diff)
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Sun Nov 26 02:00:02 1995 Ulrich Drepper <drepper@gnu.ai.mit.edu>
* misc/syslog.c (vsyslog) [USE_IN_LIBIO]: Adapted for libio. Thu Nov 23 02:21:55 1995 Ulrich Drepper <drepper@gnu.ai.mit.edu> * sysdeps/unix/sysv/linux/{mlock,munlock,mlockall,munlockall}.S: New files. * sysdeps/unix/sysv/linux/mman.h: Add prototypes for new functions mlock, munlock, mlockall, and munlockall.
-rw-r--r--ChangeLog11
-rw-r--r--misc/syslog.c6
-rw-r--r--sysdeps/unix/sysv/linux/mlock.S24
-rw-r--r--sysdeps/unix/sysv/linux/mlockall.S24
-rw-r--r--sysdeps/unix/sysv/linux/munlock.S24
-rw-r--r--sysdeps/unix/sysv/linux/munlockall.S24
-rw-r--r--sysdeps/unix/sysv/linux/sys/mman.h24
7 files changed, 133 insertions, 4 deletions
diff --git a/ChangeLog b/ChangeLog
index 1317bd786a..2ae4f584e6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+Sun Nov 26 02:00:02 1995 Ulrich Drepper <drepper@gnu.ai.mit.edu>
+
+ * misc/syslog.c (vsyslog) [USE_IN_LIBIO]: Adapted for libio.
+
+Thu Nov 23 02:21:55 1995 Ulrich Drepper <drepper@gnu.ai.mit.edu>
+
+ * sysdeps/unix/sysv/linux/{mlock,munlock,mlockall,munlockall}.S:
+ New files.
+ * sysdeps/unix/sysv/linux/mman.h: Add prototypes for new functions
+ mlock, munlock, mlockall, and munlockall.
+
Thu Nov 23 18:26:52 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* configure.in (--enable-libio): Set $stdio based on $enableval,
diff --git a/misc/syslog.c b/misc/syslog.c
index ba994eeeb8..068a89e919 100644
--- a/misc/syslog.c
+++ b/misc/syslog.c
@@ -122,8 +122,14 @@ vsyslog(pri, fmt, ap)
f = open_memstream (&buf, &bufsize);
prioff = fprintf (f, "<%d>", pri);
(void) time (&now);
+#ifdef USE_IN_LIBIO
+ f->_IO_write_ptr += strftime (f->_IO_write_ptr,
+ f->_IO_write_end - f->_IO_write_ptr,
+ "%h %e %T ", localtime (&now));
+#else
f->__bufp += strftime (f->__bufp, f->__put_limit - f->__bufp,
"%h %e %T ", localtime (&now));
+#endif
msgoff = ftell (f);
if (LogTag == NULL)
LogTag = __progname;
diff --git a/sysdeps/unix/sysv/linux/mlock.S b/sysdeps/unix/sysv/linux/mlock.S
new file mode 100644
index 0000000000..b14f51deba
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/mlock.S
@@ -0,0 +1,24 @@
+/* Copyright (C) 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <sysdep.h>
+
+SYSCALL__ (mlock, 2)
+ ret
+
+weak_alias (__mlock, mlock)
diff --git a/sysdeps/unix/sysv/linux/mlockall.S b/sysdeps/unix/sysv/linux/mlockall.S
new file mode 100644
index 0000000000..939ec01f0b
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/mlockall.S
@@ -0,0 +1,24 @@
+/* Copyright (C) 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <sysdep.h>
+
+SYSCALL__ (mlockall, 1)
+ ret
+
+weak_alias (__mlockall, mlockall)
diff --git a/sysdeps/unix/sysv/linux/munlock.S b/sysdeps/unix/sysv/linux/munlock.S
new file mode 100644
index 0000000000..50fe9332ee
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/munlock.S
@@ -0,0 +1,24 @@
+/* Copyright (C) 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <sysdep.h>
+
+SYSCALL__ (munlock, 2)
+ ret
+
+weak_alias (__munlock, munlock)
diff --git a/sysdeps/unix/sysv/linux/munlockall.S b/sysdeps/unix/sysv/linux/munlockall.S
new file mode 100644
index 0000000000..7d8aeb4683
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/munlockall.S
@@ -0,0 +1,24 @@
+/* Copyright (C) 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA. */
+
+#include <sysdep.h>
+
+SYSCALL__ (munlockall, 0)
+ ret
+
+weak_alias (__munlockall, munlockall)
diff --git a/sysdeps/unix/sysv/linux/sys/mman.h b/sysdeps/unix/sysv/linux/sys/mman.h
index b05738d8e4..9f0ef72100 100644
--- a/sysdeps/unix/sysv/linux/sys/mman.h
+++ b/sysdeps/unix/sysv/linux/sys/mman.h
@@ -17,10 +17,6 @@ License along with the GNU C Library; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA. */
-/* These are the bits used by 4.4 BSD and its derivatives. On systems
- (such as GNU) where these facilities are not system services but can be
- emulated in the C library, these are the definitions we emulate. */
-
#ifndef _SYS_MMAN_H
#define _SYS_MMAN_H 1
@@ -70,6 +66,10 @@ Cambridge, MA 02139, USA. */
#define MADV_WILLNEED 3 /* Will need these pages. */
#define MADV_DONTNEED 4 /* Don't need these pages. */
+/* Flags to `mlockall'. */
+#define MCL_CURRENT 1 /* Lock all current mappings. */
+#define MCL_FUTURE 2 /* Lock all future mappings. */
+
#include <sys/cdefs.h>
__BEGIN_DECLS
@@ -106,6 +106,22 @@ int msync __P ((__caddr_t __addr, size_t __len));
for the region starting at ADDR and extending LEN bytes. */
int madvise __P ((__caddr_t __addr, size_t __len, int __advice));
+/* Cause all currently mapped pages of the process to be memory resident
+ until unlocked by a call to the `munlockall', until the process exits,
+ or until the process calls `execve'. */
+int mlockall __P ((int __flags));
+
+/* All currently mapped pages of the process' address space become
+ unlocked. */
+int munlockall __P ((void));
+
+/* Guarantee all whole pages mapped by the range [ADDR,ADDR+LEN) to
+ be memory resident. */
+int mlock __P ((__caddr_t __addr, size_t __len));
+
+/* Unlock whole pages previously mapped by the range [ADDR,ADDR+LEN). */
+int munlock __P ((__caddr_t __addr, size_t __len));
+
__END_DECLS