-// $Id$
+/* $Id$
-// Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
-//
-// This program 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, or (at your option)
-// any later version.
-//
-// This program 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 this program; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+* Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
+*
+* This program 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, or (at your option)
+* any later version.
+*
+* This program 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 this program; if not, write to the Free Software
+* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
#ifndef H_VSERVER_SYSCALL_H
#define H_VSERVER_SYSCALL_H
#include <stdlib.h>
#include <sys/types.h>
-#define VC_NOCTX ((ctx_t)(-1))
+/** the value which is returned in error-case (no ctx found) */
+#define VC_NOCTX ((xid_t)(-1))
+/** the value which means a random (the next free) ctx */
+#define VC_RANDCTX ((xid_t)(-1))
+/** the value which means the current ctx */
+#define VC_SAMECTX ((xid_t)(-2))
+
+#define VC_LIM_INFINITY (~0ULL)
+#define VC_LIM_KEEP (~1ULL)
#ifdef __cplusplus
extern "C" {
uint32_t mask;
};
- /** Returns version of the given API-category */
- int vc_get_version(int category);
+ /** Returns version of the current kernel API */
+ int vc_get_version();
/** Puts current process into context <ctx>, removes the given caps and
* sets flags.
* Special values for ctx are
- * - -2 which means the current context (just for changing caps and flags)
- * - -1 which means the next free context; this value can be used by
- * ordinary users also */
- int vc_new_s_context(ctx_t ctx, unsigned int remove_cap, unsigned int flags);
+ * - VC_SAMECTX which means the current context (just for changing caps and flags)
+ * - VC_RANDCTX which means the next free context; this value can be used by
+ * ordinary users also */
+ int vc_new_s_context(xid_t ctx, unsigned int remove_cap, unsigned int flags);
/** Sets the ipv4root information.
* \precondition: nb<16 */
int vc_set_ipv4root(uint32_t bcast, size_t nb, struct vc_ip_mask_pair const *ips);
- int vc_chrootsafe(char const *dir);
+ /* rlimit related functions */
+ typedef uint64_t vc_limit_t;
+
+
+ struct vc_rlimit
+ {
+ vc_limit_t min;
+ vc_limit_t soft;
+ vc_limit_t hard;
+ };
+
+ struct vc_rlimit_mask {
+ uint32_t min;
+ uint32_t soft;
+ uint32_t hard;
+ };
+
+ int vc_get_rlimit(xid_t ctx, int resource, struct vc_rlimit *lim);
+ int vc_set_rlimit(xid_t ctx, int resource, struct vc_rlimit const *lim);
+ int vc_get_rlimit_mask(xid_t ctx, struct vc_rlimit_mask *lim);
- /** Returns the context of the given process. */
- ctx_t vc_X_getctx(pid_t pid);
- /** Returns the context of the current process. */
-#define vc_X_getcctx() (vc_X_getctx(getpid()))
+ /** sends a signal to a context/pid
+ Special values for pid are:
+ * -1 which means every process in ctx except the init-process
+ * 0 which means every process in ctx inclusive the init-process */
+ int vc_ctx_kill(xid_t ctx, pid_t pid, int sig);
+
+ /** Returns the context of the given process. pid==0 means the current process. */
+ xid_t vc_X_getctx(pid_t pid);
#ifdef __cplusplus
}