libvirt/src/util/virprocess.h
Andrea Bolognani bbefc9cc2e process: Add virProcessGetMaxMemLock()
This function can be used to retrieve the current locked memory
limit for a process, so that the setting can be later restored.

Add a configure check for getrlimit(), which we now use.
2015-12-17 10:12:47 +01:00

97 lines
2.9 KiB
C

/*
* virprocess.h: interaction with processes
*
* Copyright (C) 2010-2015 Red Hat, Inc.
*
* 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 2.1 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. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#ifndef __VIR_PROCESS_H__
# define __VIR_PROCESS_H__
# include <sys/types.h>
# include "internal.h"
# include "virbitmap.h"
# include "virutil.h"
typedef enum {
VIR_PROC_POLICY_NONE = 0,
VIR_PROC_POLICY_BATCH,
VIR_PROC_POLICY_IDLE,
VIR_PROC_POLICY_FIFO,
VIR_PROC_POLICY_RR,
VIR_PROC_POLICY_LAST
} virProcessSchedPolicy;
VIR_ENUM_DECL(virProcessSchedPolicy);
char *
virProcessTranslateStatus(int status);
void
virProcessAbort(pid_t pid);
void virProcessExitWithStatus(int status) ATTRIBUTE_NORETURN;
int
virProcessWait(pid_t pid, int *exitstatus, bool raw)
ATTRIBUTE_RETURN_CHECK;
int virProcessKill(pid_t pid, int sig);
int virProcessKillPainfully(pid_t pid, bool force);
int virProcessSetAffinity(pid_t pid, virBitmapPtr map);
virBitmapPtr virProcessGetAffinity(pid_t pid);
int virProcessGetPids(pid_t pid, size_t *npids, pid_t **pids);
int virProcessGetStartTime(pid_t pid,
unsigned long long *timestamp);
int virProcessGetNamespaces(pid_t pid,
size_t *nfdlist,
int **fdlist);
int virProcessSetNamespaces(size_t nfdlist,
int *fdlist);
int virProcessSetMaxMemLock(pid_t pid, unsigned long long bytes);
int virProcessSetMaxProcesses(pid_t pid, unsigned int procs);
int virProcessSetMaxFiles(pid_t pid, unsigned int files);
int virProcessGetMaxMemLock(pid_t pid, unsigned long long *bytes);
/* Callback to run code within the mount namespace tied to the given
* pid. This function must use only async-signal-safe functions, as
* it gets run after a fork of a multi-threaded process. The return
* value of this function is passed to _exit(), except that a
* negative value is treated as EXIT_CANCELED. */
typedef int (*virProcessNamespaceCallback)(pid_t pid, void *opaque);
int virProcessRunInMountNamespace(pid_t pid,
virProcessNamespaceCallback cb,
void *opaque);
int virProcessSetScheduler(pid_t pid,
virProcessSchedPolicy policy,
int priority);
#endif /* __VIR_PROCESS_H__ */