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/procstate.c
+++ b/sysdeps/cygwin/procstate.c
@@ -0,0 +1,120 @@
+/* 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.h>
+#include <glibtop/error.h>
+#include <glibtop/procstate.h>
+
+#include "glibtop_private.h"
+
+#include <sys/stat.h>
+
+static const unsigned long _glibtop_sysdeps_proc_state =
+(1L << GLIBTOP_PROC_STATE_CMD) + (1L << GLIBTOP_PROC_STATE_STATE);
+
+static const unsigned long _glibtop_sysdeps_proc_state_uid =
+(1L << GLIBTOP_PROC_STATE_UID) + (1L << GLIBTOP_PROC_STATE_GID);
+
+/* Init function. */
+
+void
+_glibtop_init_proc_state_s (glibtop *server)
+{
+	server->sysdeps.proc_state = _glibtop_sysdeps_proc_state |
+		_glibtop_sysdeps_proc_state_uid;
+}
+
+/* Provides detailed information about a process. */
+
+void
+glibtop_get_proc_state_s (glibtop *server, glibtop_proc_state *buf, pid_t pid)
+{
+	char buffer [BUFSIZ], *p;
+	struct stat statb;
+
+	memset (buf, 0, sizeof (glibtop_proc_state));
+
+	/* IMPORTANT NOTICE: For security reasons it is extremely important
+	 *                   that the 'uid' and 'gid' fields have correct
+	 *                   values; NEVER set their flags values if this
+	 *                   is not the case !!! */
+
+	sprintf (buffer, "/proc/%d", pid);
+
+	if (stat (buffer, &statb))
+		return;
+
+	/* For security reasons we use stat () since it is
+	 * more failsafe than parsing the file. */
+
+	buf->uid = statb.st_uid;
+	buf->gid = statb.st_gid;
+
+	buf->flags = _glibtop_sysdeps_proc_state_uid;
+
+	/* Now we read the remaining fields. */
+
+	if (proc_stat_to_buffer(buffer, sizeof buffer, pid))
+		return;
+
+	p = proc_stat_after_cmd(buffer);
+	p = next_token(p);
+
+	switch(*p)
+	  {
+	  case 'R':
+	    buf->state = GLIBTOP_PROCESS_RUNNING;
+	    break;
+
+	  case 'Z':
+	    buf->state = GLIBTOP_PROCESS_ZOMBIE;
+	    break;
+
+	  case 'S':
+	    buf->state = GLIBTOP_PROCESS_INTERRUPTIBLE;
+	    break;
+
+	  case 'T':
+	    buf->state = GLIBTOP_PROCESS_STOPPED;
+	    break;
+
+	  case 'D':
+	    buf->state = GLIBTOP_PROCESS_UNINTERRUPTIBLE;
+	    break;
+
+	  case 'W':
+	    buf->state = GLIBTOP_PROCESS_SWAPPING;
+	    break;
+
+	  case 'X':
+	    buf->state = GLIBTOP_PROCESS_DEAD;
+	    break;
+	  }
+
+	p = skip_token (buffer); /* pid */
+	if (G_UNLIKELY(*p++ != '('))
+		glibtop_error_r (server, "Bad data in /proc/%d/stat", pid);
+
+	g_strlcpy (buf->cmd, p, sizeof buf->cmd);
+
+	buf->flags |= _glibtop_sysdeps_proc_state;
+}