Added cygwin support.

Patch by Cygwin Ports maintainer <yselkowitz@users.sourceforge.net>. See #578890.
2009-04-30 20:55:15 +02:00
parent 231f4d2a14
commit 9f051c9569
36 changed files with 3017 additions and 1 deletions
--- a/sysdeps/cygwin/cpu.c
+++ b/sysdeps/cygwin/cpu.c
@@ -0,0 +1,103 @@
+/* Copyright (C) 1998-99 Martin Baulig
+   This file is part of LibGTop 1.0.
+
+   Contributed by Martin Baulig <martin@home-of-linux.org>, April 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/error.h>
+#include <glibtop/cpu.h>
+
+#include "glibtop_private.h"
+
+static const unsigned long _glibtop_sysdeps_cpu =
+(1L << GLIBTOP_CPU_TOTAL) + (1L << GLIBTOP_CPU_USER) +
+(1L << GLIBTOP_CPU_NICE) + (1L << GLIBTOP_CPU_SYS) +
+(1L << GLIBTOP_CPU_IDLE) + (1L << GLIBTOP_CPU_FREQUENCY);
+
+static const unsigned long _glibtop_sysdeps_cpu_smp =
+(1L << GLIBTOP_XCPU_TOTAL) + (1L << GLIBTOP_XCPU_USER) +
+(1L << GLIBTOP_XCPU_NICE) + (1L << GLIBTOP_XCPU_SYS) +
+(1L << GLIBTOP_XCPU_IDLE);
+
+/* Init function. */
+
+void
+_glibtop_init_cpu_s (glibtop *server)
+{
+	server->sysdeps.cpu = _glibtop_sysdeps_cpu;
+
+	if (server->ncpu)
+		server->sysdeps.cpu |= _glibtop_sysdeps_cpu_smp;
+}
+
+/* Provides information about cpu usage. */
+
+#define FILENAME	"/proc/stat"
+
+void
+glibtop_get_cpu_s (glibtop *server, glibtop_cpu *buf)
+{
+	char buffer [BUFSIZ], *p;
+	int i;
+
+	memset (buf, 0, sizeof (glibtop_cpu));
+
+	file_to_buffer(server, buffer, sizeof buffer, FILENAME);
+
+	/*
+	 * GLOBAL
+	 */
+
+	p = skip_token (buffer);	/* "cpu" */
+
+	buf->user = strtoull (p, &p, 0);
+	buf->nice = strtoull (p, &p, 0);
+	buf->sys  = strtoull (p, &p, 0);
+	buf->idle = strtoull (p, &p, 0);
+	buf->total = buf->user + buf->nice + buf->sys + buf->idle;
+
+	buf->frequency = 100;
+	buf->flags = _glibtop_sysdeps_cpu;
+
+	/*
+	 * PER CPU
+	 */
+
+	for (i = 0; i <= server->ncpu; i++) {
+
+		p = skip_line(p); /* move to ^ */
+
+		if (!check_cpu_line_warn(server, p, i))
+			break;
+
+		p = skip_token(p); /* "cpuN" */
+
+		buf->xcpu_user [i] = strtoull (p, &p, 0);
+		buf->xcpu_nice [i] = strtoull (p, &p, 0);
+		buf->xcpu_sys  [i] = strtoull (p, &p, 0);
+		buf->xcpu_idle [i] = strtoull (p, &p, 0);
+		buf->xcpu_total[i] = buf->xcpu_user [i] \
+			+ buf->xcpu_nice [i] \
+			+ buf->xcpu_sys  [i] \
+			+ buf->xcpu_idle [i];
+	}
+
+	if(server->ncpu) /* ok, that's a real SMP */
+		buf->flags |= _glibtop_sysdeps_cpu_smp;
+}