[jbossnative-commits] JBoss Native SVN: r1008 - trunk/sight/native/os/linux.

[jbossnative-commits at lists.jboss.org]

Author: mladen.turk at jboss.com
Date: 2007-09-10 04:08:55 -0400 (Mon, 10 Sep 2007)
New Revision: 1008

Added:
   trunk/sight/native/os/linux/common.c
Log:
Added common linux code

Added: trunk/sight/native/os/linux/common.c
===================================================================
--- trunk/sight/native/os/linux/common.c	                        (rev 0)
+++ trunk/sight/native/os/linux/common.c	2007-09-10 08:08:55 UTC (rev 1008)
@@ -0,0 +1,97 @@
+/*
+ *  SIGHT - System information gathering hybrid tool
+ *
+ *  Copyright(c) 2007 Red Hat Middleware, LLC,
+ *  and individual contributors as indicated by the @authors tag.
+ *  See the copyright.txt in the distribution for a
+ *  full listing of individual contributors.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This 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
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library in the file COPYING.LIB;
+ *  if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ *
+ * @author Mladen Turk
+ *
+ */
+
+#include "sight.h"
+#include "sight_local.h"
+#include "sight_types.h"
+#include "sight_private.h"
+#include <unistd.h>
+
+/* Common posix code */
+
+#define PROC_FS_BASE "/proc"
+#define PROC_FS_DIR  "/proc/"
+
+int sight_stat_by_inode(ino_t inode, uid_t uid, struct stat *sb, pid_t *pid)
+{
+    DIR *pd;
+    struct dirent *pent, pbuf;
+    int rv = ENOENT;
+
+    if (!(pd = opendir(PROC_FS_BASE))
+        return errno;
+
+    while (!readdir_r(pd, &pbuf, &pent)) {
+        DIR *fd;
+        struct dirent *fent, fbuf;
+        char pname[64];
+
+        if (!ent)
+            break;
+        if (!apr_isdigit(*pent->d_name)) {
+            /* Skip non pid directories */
+            continue;
+        }
+        strcpy(pname, PROC_FS_DIR);
+        strcat(pname, pent->d_name);
+        if (uid >= 0) {
+            struct stat us;
+            if (stat(pname, &us) < 0)
+                continue;
+            if (us.st_uid != uid)
+                continue;
+        }
+        strcat(pname, "/fd");
+        if (!(fd = opendir(pname))
+            continue;
+        while (!readdir_r(fd, &fbuf, &fent)) {
+            char fname[64];
+            if (!apr_isdigit(*fent->d_name)) {
+                /* Skip non numeric files */
+                continue;
+            }
+
+            strcpy(fname, pname);
+            strcat(fname, "/");
+            strcat(fname, fent->dname);
+
+            if (stat(fname, sb) < 0)
+                continue;
+            if (sb->st_ino == inode) {
+                /* Wow, we found it */
+                *pid = (pid_t)strtoul(pent->d_name, NULL, 10);
+                rv = 0;
+                break;
+            }
+        }
+        closedir(fd);
+        if (!rv)
+            break;
+    }
+    closedir(pd);
+    return rv;
+}


Property changes on: trunk/sight/native/os/linux/common.c
___________________________________________________________________
Name: svn:eol-style
   + native