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[Xen-devel] [PATCH] mini-os: adding some missing posix function declarat

To: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-devel] [PATCH] mini-os: adding some missing posix function declarations
From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Date: Tue, 16 Sep 2008 16:50:31 +0100
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Adding some missing posix function declarations, to get rid of some
qemu-remote compile time warnings.

Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

---

diff -r 12f3edfab6ef extras/mini-os/include/posix/time.h
--- a/extras/mini-os/include/posix/time.h       Fri Sep 12 16:45:37 2008 +0100
+++ b/extras/mini-os/include/posix/time.h       Mon Sep 15 16:36:09 2008 +0100
@@ -6,5 +6,6 @@
 #include_next <time.h>
 
 int nanosleep(const struct timespec *req, struct timespec *rem);
+int clock_gettime(clockid_t clock_id, struct timespec *tp);
 
 #endif /* _POSIX_TIME_H */
diff -r 12f3edfab6ef extras/mini-os/include/posix/unistd.h
--- a/extras/mini-os/include/posix/unistd.h     Fri Sep 12 16:45:37 2008 +0100
+++ b/extras/mini-os/include/posix/unistd.h     Mon Sep 15 15:46:54 2008 +0100
@@ -5,5 +5,6 @@
 
 size_t getpagesize(void);
 int ftruncate(int fd, off_t length);
+int lockf(int fd, int cmd, off_t len);
 
 #endif /* _POSIX_UNISTD_H */
diff -r 12f3edfab6ef extras/mini-os/include/x86/os.h
--- a/extras/mini-os/include/x86/os.h   Fri Sep 12 16:45:37 2008 +0100
+++ b/extras/mini-os/include/x86/os.h   Tue Sep 16 14:08:22 2008 +0100
@@ -11,6 +11,7 @@
 #define __builtin_expect(x, expected_value) (x)
 #endif
 #define unlikely(x)  __builtin_expect((x),0)
+#define likely(x)  __builtin_expect((x),1)
 
 #define smp_processor_id() 0
 
diff -r 12f3edfab6ef extras/mini-os/lib/sys.c
--- a/extras/mini-os/lib/sys.c  Fri Sep 12 16:45:37 2008 +0100
+++ b/extras/mini-os/lib/sys.c  Mon Sep 15 15:45:17 2008 +0100
@@ -1322,6 +1322,7 @@ unsupported_function_crash(sysconf);
 unsupported_function_crash(sysconf);
 unsupported_function(int, tcsetattr, -1);
 unsupported_function(int, tcgetattr, 0);
+unsupported_function(int, poll, -1);
 
 /* Linuxish abi for the Caml runtime, don't support */
 unsupported_function_log(struct dirent *, readdir64, NULL);
diff -r 12f3edfab6ef extras/mini-os/include/posix/arpa/inet.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/extras/mini-os/include/posix/arpa/inet.h  Mon Sep 15 12:06:23 2008 +0100
@@ -0,0 +1,7 @@
+#ifndef _POSIX_ARPA_INET_H_
+#define        _POSIX_ARPA_INET_H_
+
+#include <lwip/inet.h>
+
+#endif /* _POSIX_ARPA_INET_H_ */
+
diff -r 12f3edfab6ef extras/mini-os/include/posix/signal.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/extras/mini-os/include/posix/signal.h     Tue Sep 16 16:11:34 2008 +0100
@@ -0,0 +1,10 @@
+#ifndef _POSIX_SIGNAL_H
+#define _POSIX_SIGNAL_H
+
+#include_next <signal.h>
+
+int sigaction(int signum, const struct sigaction * __restrict,
+              struct sigaction * __restrict);
+
+#endif
+
diff -r 12f3edfab6ef extras/mini-os/include/posix/sys/poll.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/extras/mini-os/include/posix/sys/poll.h   Mon Sep 15 15:47:39 2008 +0100
@@ -0,0 +1,79 @@
+/*
+ * This code is mostly taken from FreeBSD sys/sys/poll.h 
+ * Changes: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
+ *
+ ****************************************************************************
+ * Copyright (c) 1997 Peter Wemm <peter@xxxxxxxxxxx>
+ * 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. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ */
+
+#ifndef _POSIX_SYS_POLL_H_
+#define        _POSIX_SYS_POLL_H_
+
+/*
+ * This file is intended to be compatible with the traditional poll.h.
+ */
+
+typedef        unsigned int    nfds_t;
+
+/*
+ * This structure is passed as an array to poll(2).
+ */
+struct pollfd {
+       int     fd;             /* which file descriptor to poll */
+       short   events;         /* events we are interested in */
+       short   revents;        /* events found on return */
+};
+
+/*
+ * Requestable events.  If poll(2) finds any of these set, they are
+ * copied to revents on return.
+ * XXX Note that FreeBSD doesn't make much distinction between POLLPRI
+ * and POLLRDBAND since none of the file types have distinct priority
+ * bands - and only some have an urgent "mode".
+ * XXX Note POLLIN isn't really supported in true SVSV terms.  Under SYSV
+ * POLLIN includes all of normal, band and urgent data.  Most poll handlers
+ * on FreeBSD only treat it as "normal" data.
+ */
+#define        POLLIN          0x0001          /* any readable data available 
*/
+#define        POLLPRI         0x0002          /* OOB/Urgent readable data */
+#define        POLLOUT         0x0004          /* file descriptor is writeable 
*/
+#define        POLLRDNORM      0x0040          /* non-OOB/URG data available */
+#define        POLLWRNORM      POLLOUT         /* no write type 
differentiation */
+#define        POLLRDBAND      0x0080          /* OOB/Urgent readable data */
+#define        POLLWRBAND      0x0100          /* OOB/Urgent data can be 
written */
+
+/*
+ * These events are set if they occur regardless of whether they were
+ * requested.
+ */
+#define        POLLERR         0x0008          /* some poll error occurred */
+#define        POLLHUP         0x0010          /* file descriptor was "hung 
up" */
+#define        POLLNVAL        0x0020          /* requested events "invalid" */
+
+int    poll(struct pollfd _pfd[], nfds_t _nfds, int _timeout);
+
+#endif /* _POSIX_SYS_POLL_H_ */

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