+++ /dev/null
-/*
- * Copyright (c) 2006, 2010 Apple Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
- */
-
-#include <sys/cdefs.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-#include <strings.h>
-#include <sys/errno.h>
-#include <sys/msgbuf.h>
-#define CONFIG_EMBEDDED 1
-#include <sys/process_policy.h>
-
-#include "libproc_internal.h"
-
-int __proc_info(int callnum, int pid, int flavor, uint64_t arg, void * buffer, int buffersize);
-__private_extern__ int proc_setthreadname(void * buffer, int buffersize);
-int __process_policy(int scope, int action, int policy, int policy_subtype, proc_policy_attribute_t * attrp, pid_t target_pid, uint64_t target_threadid);
-
-
-
-int
-proc_listpids(uint32_t type, uint32_t typeinfo, void *buffer, int buffersize)
-{
- int retval;
-
- if ((type >= PROC_ALL_PIDS) || (type <= PROC_PPID_ONLY)) {
- if ((retval = __proc_info(1, type, typeinfo,(uint64_t)0, buffer, buffersize)) == -1)
- return(0);
- } else {
- errno = EINVAL;
- retval = 0;
- }
- return(retval);
-}
-
-
-int
-proc_listallpids(void * buffer, int buffersize)
-{
- int numpids;
- numpids = proc_listpids(PROC_ALL_PIDS, (uint32_t)0, buffer, buffersize);
-
- if (numpids == -1)
- return(-1);
- else
- return(numpids/sizeof(int));
-}
-
-int
-proc_listpgrppids(pid_t pgrpid, void * buffer, int buffersize)
-{
- int numpids;
- numpids = proc_listpids(PROC_PGRP_ONLY, (uint32_t)pgrpid, buffer, buffersize);
- if (numpids == -1)
- return(-1);
- else
- return(numpids/sizeof(int));
-}
-
-int
-proc_listchildpids(pid_t ppid, void * buffer, int buffersize)
-{
- int numpids;
- numpids = proc_listpids(PROC_PPID_ONLY, (uint32_t)ppid, buffer, buffersize);
- if (numpids == -1)
- return(-1);
- else
- return(numpids/sizeof(int));
-}
-
-
-int
-proc_pidinfo(int pid, int flavor, uint64_t arg, void *buffer, int buffersize)
-{
- int retval;
-
- if ((retval = __proc_info(2, pid, flavor, arg, buffer, buffersize)) == -1)
- return(0);
-
- return(retval);
-}
-
-
-int
-proc_pidfdinfo(int pid, int fd, int flavor, void * buffer, int buffersize)
-{
- int retval;
-
- if ((retval = __proc_info(3, pid, flavor, (uint64_t)fd, buffer, buffersize)) == -1)
- return(0);
-
- return (retval);
-}
-
-
-int
-proc_pidfileportinfo(int pid, uint32_t fileport, int flavor, void *buffer, int buffersize)
-{
- int retval;
-
- if ((retval = __proc_info(6, pid, flavor, (uint64_t)fileport, buffer, buffersize)) == -1)
- return (0);
- return (retval);
-}
-
-
-int
-proc_name(int pid, void * buffer, uint32_t buffersize)
-{
- int retval = 0, len;
- struct proc_bsdinfo pbsd;
-
-
- if (buffersize < sizeof(pbsd.pbi_name)) {
- errno = ENOMEM;
- return(0);
- }
-
- retval = proc_pidinfo(pid, PROC_PIDTBSDINFO, (uint64_t)0, &pbsd, sizeof(struct proc_bsdinfo));
- if (retval != 0) {
- if (pbsd.pbi_name[0]) {
- bcopy(&pbsd.pbi_name, buffer, sizeof(pbsd.pbi_name));
- } else {
- bcopy(&pbsd.pbi_comm, buffer, sizeof(pbsd.pbi_comm));
- }
- len = strlen(buffer);
- return(len);
- }
- return(0);
-}
-
-int
-proc_regionfilename(int pid, uint64_t address, void * buffer, uint32_t buffersize)
-{
- int retval = 0, len;
- struct proc_regionwithpathinfo reginfo;
-
- if (buffersize < MAXPATHLEN) {
- errno = ENOMEM;
- return(0);
- }
-
- retval = proc_pidinfo(pid, PROC_PIDREGIONPATHINFO, (uint64_t)address, ®info, sizeof(struct proc_regionwithpathinfo));
- if (retval != -1) {
- len = strlen(®info.prp_vip.vip_path[0]);
- if (len != 0) {
- if (len > MAXPATHLEN)
- len = MAXPATHLEN;
- bcopy(®info.prp_vip.vip_path[0], buffer, len);
- return(len);
- }
- return(0);
- }
- return(0);
-
-}
-
-int
-proc_kmsgbuf(void * buffer, uint32_t buffersize)
-{
- int retval;
-
- if ((retval = __proc_info(4, 0, 0, (uint64_t)0, buffer, buffersize)) == -1)
- return(0);
- return (retval);
-}
-
-int
-proc_pidpath(int pid, void * buffer, uint32_t buffersize)
-{
- int retval, len;
-
- if (buffersize < PROC_PIDPATHINFO_SIZE) {
- errno = ENOMEM;
- return(0);
- }
- if (buffersize > PROC_PIDPATHINFO_MAXSIZE) {
- errno = EOVERFLOW;
- return(0);
- }
-
- retval = __proc_info(2, pid, PROC_PIDPATHINFO, (uint64_t)0, buffer, buffersize);
- if (retval != -1) {
- len = strlen(buffer);
- return(len);
- }
- return (0);
-}
-
-
-int
-proc_libversion(int *major, int * minor)
-{
-
- if (major != NULL)
- *major = 1;
- if (minor != NULL)
- *minor = 1;
- return(0);
-}
-
-int
-proc_setpcontrol(const int control)
-{
- int retval ;
-
- if (control < PROC_SETPC_NONE || control > PROC_SETPC_TERMINATE)
- return(EINVAL);
-
- if ((retval = __proc_info(5, getpid(), PROC_SELFSET_PCONTROL, (uint64_t)control, NULL, 0)) == -1)
- return(errno);
-
- return(0);
-}
-
-
-__private_extern__ int
-proc_setthreadname(void * buffer, int buffersize)
-{
- int retval;
-
- retval = __proc_info(5, getpid(), PROC_SELFSET_THREADNAME, (uint64_t)0, buffer, buffersize);
-
- if (retval == -1)
- return(errno);
- else
- return(0);
-}
-
-int
-proc_track_dirty(pid_t pid, uint32_t flags)
-{
- if (__proc_info(8, pid, PROC_DIRTYCONTROL_TRACK, flags, NULL, 0) == -1) {
- return errno;
- }
-
- return 0;
-}
-
-int
-proc_set_dirty(pid_t pid, bool dirty)
-{
- if (__proc_info(8, pid, PROC_DIRTYCONTROL_SET, dirty, NULL, 0) == -1) {
- return errno;
- }
-
- return 0;
-}
-
-int
-proc_get_dirty(pid_t pid, uint32_t *flags)
-{
- int retval;
-
- if (!flags) {
- return EINVAL;
- }
-
- retval = __proc_info(8, pid, PROC_DIRTYCONTROL_GET, 0, NULL, 0);
- if (retval == -1) {
- return errno;
- }
-
- *flags = retval;
-
- return 0;
-}
-
-int
-proc_terminate(pid_t pid, int *sig)
-{
- int retval;
-
- if (!sig) {
- return EINVAL;
- }
-
- retval = __proc_info(7, pid, 0, 0, NULL, 0);
- if (retval == -1) {
- return errno;
- }
-
- *sig = retval;
-
- return 0;
-}
-
-#if TARGET_OS_EMBEDDED
-
-int
-proc_setcpu_percentage(pid_t pid, int action, int percentage)
-{
- proc_policy_cpuusage_attr_t attr;
-
- bzero(&attr, sizeof(proc_policy_cpuusage_attr_t));
- attr.ppattr_cpu_attr = action;
- attr.ppattr_cpu_percentage = percentage;
- if (__process_policy(PROC_POLICY_SCOPE_PROCESS, PROC_POLICY_ACTION_APPLY, PROC_POLICY_RESOURCE_USAGE, PROC_POLICY_RUSAGE_CPU, &attr, pid, (uint64_t)0) != -1)
- return(0);
- else
- return(errno);
-}
-
-int
-proc_setcpu_deadline(pid_t pid, int action, uint64_t deadline)
-{
- proc_policy_cpuusage_attr_t attr;
-
- bzero(&attr, sizeof(proc_policy_cpuusage_attr_t));
- attr.ppattr_cpu_attr = action;
- attr.ppattr_cpu_attr_deadline = deadline;
- if (__process_policy(PROC_POLICY_SCOPE_PROCESS, PROC_POLICY_ACTION_APPLY, PROC_POLICY_RESOURCE_USAGE, PROC_POLICY_RUSAGE_CPU, &attr, pid, (uint64_t)0) != -1)
- return(0);
- else
- return(errno);
-
-}
-
-
-int
-proc_setcpu_percentage_withdeadline(pid_t pid, int action, int percentage, uint64_t deadline)
-{
- proc_policy_cpuusage_attr_t attr;
-
- bzero(&attr, sizeof(proc_policy_cpuusage_attr_t));
- attr.ppattr_cpu_attr = action;
- attr.ppattr_cpu_percentage = percentage;
- attr.ppattr_cpu_attr_deadline = deadline;
- if (__process_policy(PROC_POLICY_SCOPE_PROCESS, PROC_POLICY_ACTION_APPLY, PROC_POLICY_RESOURCE_USAGE, PROC_POLICY_RUSAGE_CPU, &attr, pid, (uint64_t)0) != -1)
- return(0);
- else
- return(errno);
-}
-
-int
-proc_clear_cpulimits(pid_t pid)
-{
- if (__process_policy(PROC_POLICY_SCOPE_PROCESS, PROC_POLICY_ACTION_RESTORE, PROC_POLICY_RESOURCE_USAGE, PROC_POLICY_RUSAGE_CPU, NULL, pid, (uint64_t)0) != -1)
- return(0);
- else
- return(errno);
-
-
-}
-
-int
-proc_appstate(int pid, int * appstatep)
-{
- int state;
-
- if (__process_policy(PROC_POLICY_SCOPE_PROCESS, PROC_POLICY_ACTION_GET, PROC_POLICY_APP_LIFECYCLE, PROC_POLICY_APPLIFE_STATE, (int *)&state, pid, (uint64_t)0) != -1) {
- if (appstatep != NULL)
- *appstatep = state;
- return(0);
- } else
- return(errno);
-
-}
-
-
-int
-proc_setappstate(int pid, int appstate)
-{
- int state = appstate;
-
- switch (state) {
- case PROC_APPSTATE_NONE:
- case PROC_APPSTATE_ACTIVE:
- case PROC_APPSTATE_INACTIVE:
- case PROC_APPSTATE_BACKGROUND:
- case PROC_APPSTATE_NONUI:
- break;
- default:
- return(EINVAL);
- }
- if (__process_policy(PROC_POLICY_SCOPE_PROCESS, PROC_POLICY_ACTION_APPLY, PROC_POLICY_APP_LIFECYCLE, PROC_POLICY_APPLIFE_STATE, (int *)&state, pid, (uint64_t)0) != -1)
- return(0);
- else
- return(errno);
-}
-
-int
-proc_devstatusnotify(int devicestatus)
-{
- int state = devicestatus;
-
- switch (devicestatus) {
- case PROC_DEVSTATUS_SHORTTERM:
- case PROC_DEVSTATUS_LONGTERM:
- break;
- default:
- return(EINVAL);
- }
-
- if (__process_policy(PROC_POLICY_SCOPE_PROCESS, PROC_POLICY_ACTION_APPLY, PROC_POLICY_APP_LIFECYCLE, PROC_POLICY_APPLIFE_DEVSTATUS, (int *)&state, getpid(), (uint64_t)0) != -1) {
- return(0);
- } else
- return(errno);
-
-}
-
-int
-proc_pidbind(int pid, uint64_t threadid, int bind)
-{
- int state = bind;
- pid_t passpid = pid;
-
- switch (bind) {
- case PROC_PIDBIND_CLEAR:
- passpid = getpid(); /* ignore pid on clear */
- break;
- case PROC_PIDBIND_SET:
- break;
- default:
- return(EINVAL);
- }
- if (__process_policy(PROC_POLICY_SCOPE_PROCESS, PROC_POLICY_ACTION_APPLY, PROC_POLICY_APP_LIFECYCLE, PROC_POLICY_APPLIFE_PIDBIND, (int *)&state, passpid, threadid) != -1)
- return(0);
- else
- return(errno);
-}
-
-#else /* TARGET_OS_EMBEDDED */
-
-int
-proc_clear_vmpressure(pid_t pid)
-{
- if (__process_policy(PROC_POLICY_SCOPE_PROCESS, PROC_POLICY_ACTION_RESTORE, PROC_POLICY_RESOURCE_STARVATION, PROC_POLICY_RS_VIRTUALMEM, NULL, pid, (uint64_t)0) != -1)
- return(0);
- else
- return(errno);
-}
-
-/* set the current process as one who can resume suspended processes due to low virtual memory. Need to be root */
-int
-proc_set_owner_vmpressure(void)
-{
- int retval;
-
- if ((retval = __proc_info(5, getpid(), PROC_SELFSET_VMRSRCOWNER, (uint64_t)0, NULL, 0)) == -1)
- return(errno);
-
- return(0);
-}
-
-/* mark yourself to delay idle sleep on disk IO */
-int
-proc_set_delayidlesleep(void)
-{
- int retval;
-
- if ((retval = __proc_info(5, getpid(), PROC_SELFSET_DELAYIDLESLEEP, (uint64_t)1, NULL, 0)) == -1)
- return(errno);
-
- return(0);
-}
-
-/* Reset yourself to delay idle sleep on disk IO, if already set */
-int
-proc_clear_delayidlesleep(void)
-{
- int retval;
-
- if ((retval = __proc_info(5, getpid(), PROC_SELFSET_DELAYIDLESLEEP, (uint64_t)0, NULL, 0)) == -1)
- return(errno);
-
- return(0);
-}
-
-/* disable the launch time backgroudn policy and restore the process to default group */
-int
-proc_disable_apptype(pid_t pid, int apptype)
-{
- switch (apptype) {
- case PROC_POLICY_OSX_APPTYPE_TAL:
- case PROC_POLICY_OSX_APPTYPE_DASHCLIENT:
- break;
- default:
- return(EINVAL);
-
- }
-
- if (__process_policy(PROC_POLICY_SCOPE_PROCESS, PROC_POLICY_ACTION_DISABLE, PROC_POLICY_APPTYPE, apptype, NULL, pid, (uint64_t)0) != -1)
- return(0);
- else
- return(errno);
-
-}
-
-/* re-enable the launch time background policy if it had been disabled. */
-int
-proc_enable_apptype(pid_t pid, int apptype)
-{
- switch (apptype) {
- case PROC_POLICY_OSX_APPTYPE_TAL:
- case PROC_POLICY_OSX_APPTYPE_DASHCLIENT:
- break;
- default:
- return(EINVAL);
-
- }
-
- if (__process_policy(PROC_POLICY_SCOPE_PROCESS, PROC_POLICY_ACTION_ENABLE, PROC_POLICY_APPTYPE, apptype, NULL, pid, (uint64_t)0) != -1)
- return(0);
- else
- return(errno);
-
-}
-
-#endif /* TARGET_OS_EMBEDDED */
-
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