Huge (k)FreeBSD update. (k)FreeBSD support is freebsd/ Other BSD are in

2007-02-18  Benoît Dejean  <benoit@placenet.org>

	* configure.in:
	* libgtop-sysdeps.m4:
	* sysdeps/Makefile.am:
	
	Huge (k)FreeBSD update.
	(k)FreeBSD support is freebsd/
	Other BSD are in bsd/
	
	Patch by Joe Marcus Clarke  <marcus@freebsd.org>
	Alexander Nedotsukov  <bland@FreeBSD.org>
	
	Closes #407693.

svn path=/trunk/; revision=2557

sysdeps/bsd/procargs.c

@@ -0,0 +1,110 @@
+/* $Id: procargs.c 2422 2005-12-12 09:38:15Z jamesh $ */
+
+/* Copyright (C) 1998 Joshua Sled
+   This file is part of LibGTop 1.0.
+
+   Contributed by Joshua Sled <jsled@xcf.berkeley.edu>, July 1998.
+
+   LibGTop is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License,
+   or (at your option) any later version.
+
+   LibGTop 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 General Public License
+   for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/procargs.h>
+
+#include <glibtop_suid.h>
+
+#include <kvm.h>
+#include <sys/param.h>
+#include <sys/proc.h>
+
+static const unsigned long _glibtop_sysdeps_proc_args =
+(1L << GLIBTOP_PROC_ARGS_SIZE);
+
+/* Init function. */
+
+void
+glibtop_init_proc_args_p (glibtop *server)
+{
+	server->sysdeps.proc_args = _glibtop_sysdeps_proc_args;
+}
+
+/* Provides detailed information about a process. */
+
+char *
+glibtop_get_proc_args_p (glibtop *server, glibtop_proc_args *buf,
+			 pid_t pid, unsigned max_len)
+{
+	struct kinfo_proc *pinfo;
+	char *retval, **args, **ptr;
+	size_t size = 0, pos = 0;
+	int count;
+
+#ifndef __bsdi__
+	char filename [BUFSIZ];
+	struct stat statb;
+#endif
+
+	glibtop_init_p (server, (1L << GLIBTOP_SYSDEPS_PROC_ARGS), 0);
+
+	memset (buf, 0, sizeof (glibtop_proc_args));
+
+	/* swapper, init, pagedaemon, vmdaemon, update - this doen't work. */
+	if (pid < 5) return NULL;
+
+#ifndef __bsdi__
+	sprintf (filename, "/proc/%d/mem", pid);
+	if (stat (filename, &statb)) return NULL;
+#endif
+
+	glibtop_suid_enter (server);
+
+	/* Get the process data */
+	pinfo = kvm_getprocs (server->machine.kd, KERN_PROC_PID, pid, &count);
+	if ((pinfo == NULL) || (count < 1)) {
+		glibtop_suid_leave (server);
+		glibtop_warn_io_r (server, "kvm_getprocs (%d)", pid);
+		return NULL;
+	}
+
+	args = kvm_getargv (server->machine.kd, pinfo, max_len);
+	if (args == NULL) {
+		glibtop_suid_leave (server);
+		glibtop_warn_io_r (server, "kvm_getargv (%d)", pid);
+		return NULL;
+	}
+
+	glibtop_suid_leave (server);
+
+	for (ptr = args; *ptr; ptr++)
+		size += strlen (*ptr)+1;
+
+	size += 2;
+	retval = g_malloc0 (size);
+
+	for (ptr = args; *ptr; ptr++) {
+		const size_t len = strlen (*ptr)+1;
+		memcpy (retval+pos, *ptr, len);
+		pos += len;
+	}
+
+	buf->size = pos ? pos-1 : 0;
+
+	buf->flags = _glibtop_sysdeps_proc_args;
+
+	return retval;
+}