Changeset 2213

Timestamp:

Jul 6, 2005, 5:49:58 AM (20 years ago)

Author:

bird

Message:

o Added getsid and getpgid, correcting the getpgrp implementation.

Location:

trunk/src/emx

Files:

• include/InnoTekLIBC/backend.h (modified) (1 diff, 1 prop)
• src/lib/misc/getpgid.c (added)
• src/lib/misc/getpgrp.c (modified) (1 diff, 1 prop)
• src/lib/misc/getsid.c (added)
• src/lib/sys/b_processCredentials.c (modified) (2 diffs, 1 prop)

trunk/src/emx/include/InnoTekLIBC/backend.h

@@ -854 +854 @@
 
 /**
+ * Gets the session id of the current process.
+ * @returns Session id.
+ * @returns Negated errno on failure.
+ * @param   pid     Process to get the process group for.
+ *                  Use 0 for the current process.
+ */
+pid_t __libc_Back_processGetSid(pid_t pid);
+
+/**
+ * Gets the process group of the specfied process.
+ * @returns Process group.
+ * @returns Negated errno on failure.
+ * @param   pid     Process to get the process group for.
+ *                  Use 0 for the current process.
+ */
+pid_t __libc_Back_processGetPGrp(pid_t pid);
+
+/**
  * Gets the most favourable priority of a process, group of processes
  * or all processed owned by a user.

trunk/src/emx/src/lib/misc/getpgrp.c

@@ -1 @@
-/* getpgrp.c (emx+gcc) -- Copyright (c) 1994-1995 by Eberhard Mattes */
+/* $Id: $ */
+/** @file
+ *
+ * LIBC - getpgrp().
+ *
+ * Copyright (c) 2005 knut st. osmundsen <bird@anduin.net>
+ *
+ *
+ * This file is part of InnoTek LIBC.
+ *
+ * InnoTek LIBC 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.
+ *
+ * InnoTek LIBC 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 InnoTek LIBC; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
 
+
+/*******************************************************************************
+*   Header Files                                                               *
+*******************************************************************************/
 #include "libc-alias.h"
 #include <unistd.h>
-#include <process.h>
-#include <sys/types.h>
+#include <errno.h>
+#include <InnoTekLIBC/backend.h>
+#define __LIBC_LOG_GROUP __LIBC_LOG_GRP_PROCESS
+#include <InnoTekLIBC/logstrict.h>
 
-pid_t _STD(getpgrp) (void)
+
+/**
+ * Gets the process group id of the current process.
+ *
+ * @returns the process group id.
+ * @remark  Equivalent to getpgid(0).
+ */
+pid_t _STD(getpgrp)(void)
 {
-  return getpid ();
+    LIBCLOG_ENTER("\n");
+    pid_t pgrp = __libc_Back_processGetPGrp(0);
+    LIBCLOG_RETURN_INT(pgrp);
 }
+

trunk/src/emx/src/lib/sys/b_processCredentials.c

@@ -30 +30 @@
 *   Header Files                                                               *
 *******************************************************************************/
+#include "libc-alias.h"
+#include "syscalls.h"
 #include <errno.h>
 #include <InnoTekLIBC/sharedpm.h>
@@ -152 +154 @@
 }
 
+
+/**
+ * Gets the session id of the current process.
+ * @returns Session id.
+ * @returns Negated errno on failure.
+ * @param   pid     Process to get the process group for.
+ *                  Use 0 for the current process.
+ */
+pid_t __libc_Back_processGetSid(pid_t pid)
+{
+    LIBCLOG_ENTER("\n");
+    pid_t sid;
+    if (pid == 0 || pid == _sys_pid)
+        sid = __libc_spmGetId(__LIBC_SPMID_SID);
+    else
+        sid = -EACCES;
+    LIBCLOG_RETURN_INT(sid);
+}
+
+
+/**
+ * Gets the process group of the specfied process.
+ * @returns Process group.
+ * @returns Negated errno on failure.
+ * @param   pid     Process to get the process group for.
+ *                  Use 0 for the current process.
+ */
+pid_t __libc_Back_processGetPGrp(pid_t pid)
+{
+    LIBCLOG_ENTER("pid=%d\n", pid);
+    pid_t pgrp;
+    if (pid == 0 || pid == _sys_pid)
+        pgrp = __libc_spmGetId(__LIBC_SPMID_PGRP);
+    else
+        pgrp = -EACCES;
+    LIBCLOG_RETURN_INT(pgrp);
+}
+