/*
- * Copyright (c) 2006, 2010 Apple Inc. All rights reserved.
+ * Copyright (c) 2006-2018 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,
* 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 <errno.h>
#include <string.h>
#include <strings.h>
+#include <stdlib.h>
#include <sys/errno.h>
#include <sys/msgbuf.h>
#include <sys/resource.h>
-#define BUILD_LIBSYSCALL 1
#include <sys/process_policy.h>
+#include <sys/event.h>
#include <mach/message.h>
#include "libproc_internal.h"
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_rlimit_control(pid_t pid, int flavor, void *arg);
-int
-proc_listpids(uint32_t type, uint32_t typeinfo, void *buffer, int buffersize)
+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(PROC_INFO_CALL_LISTPIDS, type, typeinfo,(uint64_t)0, buffer, buffersize)) == -1)
- return(0);
+ if ((retval = __proc_info(PROC_INFO_CALL_LISTPIDS, type, typeinfo, (uint64_t)0, buffer, buffersize)) == -1) {
+ return 0;
+ }
} else {
errno = EINVAL;
retval = 0;
}
- return(retval);
+ return retval;
}
-int
+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));
+ if (numpids == -1) {
+ return -1;
+ } else {
+ return numpids / sizeof(int);
+ }
}
-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));
+ if (numpids == -1) {
+ return -1;
+ } else {
+ return numpids / sizeof(int);
+ }
}
-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));
+ 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
+proc_pidinfo(int pid, int flavor, uint64_t arg, void *buffer, int buffersize)
+{
+ int retval;
+
+ if ((retval = __proc_info(PROC_INFO_CALL_PIDINFO, pid, flavor, arg, buffer, buffersize)) == -1) {
+ return 0;
+ }
+
+ return retval;
+}
+
+
+int
+proc_pidoriginatorinfo(int flavor, void *buffer, int buffersize)
+{
+ int retval;
+
+ if ((retval = __proc_info(PROC_INFO_CALL_PIDORIGINATORINFO, getpid(), flavor, 0, buffer, buffersize)) == -1) {
+ return 0;
+ }
+
+ return retval;
+}
+
+int
+proc_listcoalitions(int flavor, int coaltype, void *buffer, int buffersize)
{
int retval;
- if ((retval = __proc_info(PROC_INFO_CALL_PIDINFO, pid, flavor, arg, buffer, buffersize)) == -1)
- return(0);
-
- return(retval);
+ if ((retval = __proc_info(PROC_INFO_CALL_LISTCOALITIONS, flavor, coaltype, 0, buffer, buffersize)) == -1) {
+ return 0;
+ }
+
+ return retval;
}
int
proc_pid_rusage(int pid, int flavor, rusage_info_t *buffer)
{
- return (__proc_info(PROC_INFO_CALL_PIDRUSAGE, pid, flavor, 0, buffer, 0));
+ return __proc_info(PROC_INFO_CALL_PIDRUSAGE, pid, flavor, 0, buffer, 0);
}
-int
+int
+proc_setthread_cpupercent(uint8_t percentage, uint32_t ms_refill)
+{
+ uint32_t arg = 0;
+
+ /* Pack percentage and refill into a 32-bit number to match existing kernel implementation */
+ if ((percentage >= 100) || (ms_refill & ~0xffffffU)) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ arg = ((ms_refill << 8) | percentage);
+
+ return proc_rlimit_control(-1, RLIMIT_THREAD_CPULIMITS, (void *)(uintptr_t)arg);
+}
+
+int
proc_pidfdinfo(int pid, int fd, int flavor, void * buffer, int buffersize)
{
int retval;
- if ((retval = __proc_info(PROC_INFO_CALL_PIDFDINFO, pid, flavor, (uint64_t)fd, buffer, buffersize)) == -1)
- return(0);
-
- return (retval);
+ if ((retval = __proc_info(PROC_INFO_CALL_PIDFDINFO, pid, flavor, (uint64_t)fd, buffer, buffersize)) == -1) {
+ return 0;
+ }
+
+ return retval;
}
{
int retval;
- if ((retval = __proc_info(PROC_INFO_CALL_PIDFILEPORTINFO, pid, flavor, (uint64_t)fileport, buffer, buffersize)) == -1)
- return (0);
- return (retval);
+ if ((retval = __proc_info(PROC_INFO_CALL_PIDFILEPORTINFO, pid, flavor, (uint64_t)fileport, buffer, buffersize)) == -1) {
+ return 0;
+ }
+ return retval;
}
+int
+proc_piddynkqueueinfo(int pid, int flavor, kqueue_id_t kq_id, void *buffer, int buffersize)
+{
+ int ret;
+
+ if ((ret = __proc_info(PROC_INFO_CALL_PIDDYNKQUEUEINFO, pid, flavor, (uint64_t)kq_id, buffer, buffersize)) == -1) {
+ return 0;
+ }
+
+ return ret;
+}
+
+int
+proc_udata_info(int pid, int flavor, void *buffer, int buffersize)
+{
+ return __proc_info(PROC_INFO_CALL_UDATA_INFO, pid, flavor, 0, buffer, buffersize);
+}
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);
+ return 0;
}
retval = proc_pidinfo(pid, PROC_PIDTBSDINFO, (uint64_t)0, &pbsd, sizeof(struct proc_bsdinfo));
} else {
bcopy(&pbsd.pbi_comm, buffer, sizeof(pbsd.pbi_comm));
}
- len = strlen(buffer);
- return(len);
+ len = (int)strlen(buffer);
+ return len;
}
- return(0);
+ return 0;
}
-int
+int
proc_regionfilename(int pid, uint64_t address, void * buffer, uint32_t buffersize)
{
- int retval = 0, len;
- struct proc_regionwithpathinfo reginfo;
-
+ int retval;
+ struct proc_regionpath path;
+
if (buffersize < MAXPATHLEN) {
errno = ENOMEM;
- return(0);
+ return 0;
}
-
- retval = proc_pidinfo(pid, PROC_PIDREGIONPATHINFO, (uint64_t)address, ®info, sizeof(struct proc_regionwithpathinfo));
+
+ retval = proc_pidinfo(pid, PROC_PIDREGIONPATH, (uint64_t)address, &path, sizeof(struct proc_regionpath));
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 (int)(strlcpy(buffer, path.prpo_path, buffersize));
}
- return(0);
-
+ return 0;
}
int
{
int retval;
- if ((retval = __proc_info(PROC_INFO_CALL_KERNMSGBUF, 0, 0, (uint64_t)0, buffer, buffersize)) == -1)
- return(0);
- return (retval);
+ if ((retval = __proc_info(PROC_INFO_CALL_KERNMSGBUF, 0, 0, (uint64_t)0, buffer, buffersize)) == -1) {
+ return 0;
+ }
+ return retval;
}
int
if (buffersize < PROC_PIDPATHINFO_SIZE) {
errno = ENOMEM;
- return(0);
+ return 0;
}
- if (buffersize > PROC_PIDPATHINFO_MAXSIZE) {
+ if (buffersize > PROC_PIDPATHINFO_MAXSIZE) {
errno = EOVERFLOW;
- return(0);
+ return 0;
}
- retval = __proc_info(PROC_INFO_CALL_PIDINFO, pid, PROC_PIDPATHINFO, (uint64_t)0, buffer, buffersize);
+ retval = __proc_info(PROC_INFO_CALL_PIDINFO, pid, PROC_PIDPATHINFO, (uint64_t)0, buffer, buffersize);
if (retval != -1) {
- len = strlen(buffer);
- return(len);
+ len = (int)strlen(buffer);
+ return len;
}
- return (0);
+ return 0;
}
-int
+int
proc_libversion(int *major, int * minor)
{
-
- if (major != NULL)
+ if (major != NULL) {
*major = 1;
- if (minor != NULL)
+ }
+ if (minor != NULL) {
*minor = 1;
- return(0);
+ }
+ return 0;
}
int
proc_setpcontrol(const int control)
{
- int retval ;
+ int retval;
+
+ if (control < PROC_SETPC_NONE || control > PROC_SETPC_TERMINATE) {
+ return EINVAL;
+ }
- if (control < PROC_SETPC_NONE || control > PROC_SETPC_TERMINATE)
- return(EINVAL);
+ if ((retval = __proc_info(PROC_INFO_CALL_SETCONTROL, getpid(), PROC_SELFSET_PCONTROL, (uint64_t)control, NULL, 0)) == -1) {
+ return errno;
+ }
- if ((retval = __proc_info(PROC_INFO_CALL_SETCONTROL, getpid(), PROC_SELFSET_PCONTROL, (uint64_t)control, NULL, 0)) == -1)
- return(errno);
-
- return(0);
+ return 0;
}
{
int retval;
- retval = __proc_info(PROC_INFO_CALL_SETCONTROL, getpid(), PROC_SELFSET_THREADNAME, (uint64_t)0, buffer, buffersize);
+ retval = __proc_info(PROC_INFO_CALL_SETCONTROL, getpid(), PROC_SELFSET_THREADNAME, (uint64_t)0, buffer, buffersize);
- if (retval == -1)
- return(errno);
- else
- return(0);
+ if (retval == -1) {
+ return errno;
+ } else {
+ return 0;
+ }
}
int
if (__proc_info(PROC_INFO_CALL_DIRTYCONTROL, pid, PROC_DIRTYCONTROL_TRACK, flags, NULL, 0) == -1) {
return errno;
}
-
+
return 0;
}
proc_set_dirty(pid_t pid, bool dirty)
{
if (__proc_info(PROC_INFO_CALL_DIRTYCONTROL, pid, PROC_DIRTYCONTROL_SET, dirty, NULL, 0) == -1) {
- return errno;
+ return errno;
}
return 0;
proc_get_dirty(pid_t pid, uint32_t *flags)
{
int retval;
-
+
if (!flags) {
return EINVAL;
}
-
+
retval = __proc_info(PROC_INFO_CALL_DIRTYCONTROL, pid, PROC_DIRTYCONTROL_GET, 0, NULL, 0);
if (retval == -1) {
- return errno;
+ return errno;
}
-
+
*flags = retval;
return 0;
}
+int
+proc_clear_dirty(pid_t pid, uint32_t flags)
+{
+ if (__proc_info(PROC_INFO_CALL_DIRTYCONTROL, pid, PROC_DIRTYCONTROL_CLEAR, flags, NULL, 0) == -1) {
+ return errno;
+ }
+
+ return 0;
+}
+
int
proc_terminate(pid_t pid, int *sig)
{
int retval;
-
+
if (!sig) {
return EINVAL;
}
-
+
retval = __proc_info(PROC_INFO_CALL_TERMINATE, pid, 0, 0, NULL, 0);
if (retval == -1) {
- return errno;
+ return errno;
}
-
+
*sig = retval;
-
+
return 0;
}
+/*
+ * XXX the _fatal() variant both checks for an existing monitor
+ * (with important policy effects on first party background apps)
+ * and validates inputs.
+ */
int
proc_set_cpumon_params(pid_t pid, int percentage, int interval)
{
proc_policy_cpuusage_attr_t attr;
+ /* no argument validation ...
+ * task_set_cpuusage() ignores 0 values and squashes negative
+ * values into uint32_t.
+ */
+
attr.ppattr_cpu_attr = PROC_POLICY_RSRCACT_NOTIFY_EXC;
attr.ppattr_cpu_percentage = percentage;
attr.ppattr_cpu_attr_interval = (uint64_t)interval;
attr.ppattr_cpu_attr_deadline = 0;
- return(__process_policy(PROC_POLICY_SCOPE_PROCESS, PROC_POLICY_ACTION_SET, PROC_POLICY_RESOURCE_USAGE,
- PROC_POLICY_RUSAGE_CPU, (proc_policy_attribute_t*)&attr, pid, 0));
+ return __process_policy(PROC_POLICY_SCOPE_PROCESS, PROC_POLICY_ACTION_SET, PROC_POLICY_RESOURCE_USAGE,
+ PROC_POLICY_RUSAGE_CPU, (proc_policy_attribute_t*)&attr, pid, 0);
}
int
int ret;
ret = __process_policy(PROC_POLICY_SCOPE_PROCESS, PROC_POLICY_ACTION_GET, PROC_POLICY_RESOURCE_USAGE,
- PROC_POLICY_RUSAGE_CPU, (proc_policy_attribute_t*)&attr, pid, 0);
+ PROC_POLICY_RUSAGE_CPU, (proc_policy_attribute_t*)&attr, pid, 0);
if ((ret == 0) && (attr.ppattr_cpu_attr == PROC_POLICY_RSRCACT_NOTIFY_EXC)) {
*percentage = attr.ppattr_cpu_percentage;
- *interval = attr.ppattr_cpu_attr_interval;
+ *interval = (int)attr.ppattr_cpu_attr_interval;
} else {
*percentage = 0;
*interval = 0;
}
- return (ret);
+ return ret;
}
int
attr.ppattr_cpu_attr_interval = 0;
attr.ppattr_cpu_attr_deadline = 0;
- return(__process_policy(PROC_POLICY_SCOPE_PROCESS, PROC_POLICY_ACTION_SET, PROC_POLICY_RESOURCE_USAGE,
- PROC_POLICY_RUSAGE_CPU, (proc_policy_attribute_t*)&attr, pid, 0));
+ return __process_policy(PROC_POLICY_SCOPE_PROCESS, PROC_POLICY_ACTION_SET, PROC_POLICY_RESOURCE_USAGE,
+ PROC_POLICY_RUSAGE_CPU, (proc_policy_attribute_t*)&attr, pid, 0);
+}
+
+int
+proc_resume_cpumon(pid_t pid)
+{
+ return __process_policy(PROC_POLICY_SCOPE_PROCESS,
+ PROC_POLICY_ACTION_ENABLE,
+ PROC_POLICY_RESOURCE_USAGE,
+ PROC_POLICY_RUSAGE_CPU,
+ NULL, pid, 0);
}
int
attr.ppattr_cpu_attr_interval = 0;
attr.ppattr_cpu_attr_deadline = 0;
- return(__process_policy(PROC_POLICY_SCOPE_PROCESS, PROC_POLICY_ACTION_SET, PROC_POLICY_RESOURCE_USAGE,
- PROC_POLICY_RUSAGE_CPU, (proc_policy_attribute_t*)&attr, pid, 0));
+ return __process_policy(PROC_POLICY_SCOPE_PROCESS, PROC_POLICY_ACTION_SET, PROC_POLICY_RESOURCE_USAGE,
+ PROC_POLICY_RUSAGE_CPU, (proc_policy_attribute_t*)&attr, pid, 0);
+}
+
+
+/*
+ * Turn on the CPU usage monitor using the supplied parameters, and make
+ * violations of the monitor fatal.
+ *
+ * Returns: 0 on success;
+ * -1 on failure and sets errno
+ */
+int
+proc_set_cpumon_params_fatal(pid_t pid, int percentage, int interval)
+{
+ int current_percentage = 0;
+ int current_interval = 0; /* intervals are in seconds */
+ int ret = 0;
+
+ if ((percentage <= 0) || (interval <= 0)) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ /*
+ * Do a simple query to see if CPU monitoring is
+ * already active. If either the percentage or the
+ * interval is nonzero, then CPU monitoring is
+ * already in use for this process.
+ *
+ * XXX: need set...() and set..fatal() to behave similarly.
+ * Currently, this check prevents 1st party apps (which get a
+ * default non-fatal monitor) not to get a fatal monitor.
+ */
+ (void)proc_get_cpumon_params(pid, ¤t_percentage, ¤t_interval);
+ if (current_percentage || current_interval) {
+ /*
+ * The CPU monitor appears to be active.
+ * We choose not to disturb those settings.
+ */
+ errno = EBUSY;
+ return -1;
+ }
+
+ if ((ret = proc_set_cpumon_params(pid, percentage, interval)) != 0) {
+ /* Failed to activate the CPU monitor */
+ return ret;
+ }
+
+ if ((ret = proc_rlimit_control(pid, RLIMIT_CPU_USAGE_MONITOR, (void *)(uintptr_t)CPUMON_MAKE_FATAL)) != 0) {
+ /* Failed to set termination, back out the CPU monitor settings. */
+ (void)proc_disable_cpumon(pid);
+ }
+
+ return ret;
}
int
params.wm_flags = WAKEMON_ENABLE;
params.wm_rate = rate_hz;
- return (proc_rlimit_control(pid, RLIMIT_WAKEUPS_MONITOR, ¶ms));
+ return proc_rlimit_control(pid, RLIMIT_WAKEUPS_MONITOR, ¶ms);
}
#ifndef WAKEMON_GET_PARAMS
params.wm_flags = WAKEMON_GET_PARAMS;
if ((error = proc_rlimit_control(pid, RLIMIT_WAKEUPS_MONITOR, ¶ms)) != 0) {
- return (error);
+ return error;
}
*rate_hz = params.wm_rate;
*flags = params.wm_flags;
- return (0);
+ return 0;
}
int
params.wm_flags = WAKEMON_ENABLE | WAKEMON_SET_DEFAULTS;
params.wm_rate = -1;
- return (proc_rlimit_control(pid, RLIMIT_WAKEUPS_MONITOR, ¶ms));
+ return proc_rlimit_control(pid, RLIMIT_WAKEUPS_MONITOR, ¶ms);
}
int
params.wm_flags = WAKEMON_DISABLE;
params.wm_rate = -1;
- return (proc_rlimit_control(pid, RLIMIT_WAKEUPS_MONITOR, ¶ms));
+ return proc_rlimit_control(pid, RLIMIT_WAKEUPS_MONITOR, ¶ms);
}
+int
+proc_list_uptrs(int pid, uint64_t *buf, uint32_t bufsz)
+{
+ return __proc_info(PROC_INFO_CALL_PIDINFO, pid, PROC_PIDLISTUPTRS, 0,
+ buf, bufsz);
+}
-#if TARGET_OS_EMBEDDED
+int
+proc_list_dynkqueueids(int pid, kqueue_id_t *buf, uint32_t bufsz)
+{
+ return __proc_info(PROC_INFO_CALL_PIDINFO, pid, PROC_PIDLISTDYNKQUEUES, 0,
+ buf, bufsz);
+}
-int
+
+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, (proc_policy_attribute_t*)&attr, pid, (uint64_t)0) != -1)
- return(0);
- else
- return(errno);
+ if (__process_policy(PROC_POLICY_SCOPE_PROCESS, PROC_POLICY_ACTION_APPLY, PROC_POLICY_RESOURCE_USAGE, PROC_POLICY_RUSAGE_CPU, (proc_policy_attribute_t*)&attr, pid, (uint64_t)0) != -1) {
+ return 0;
+ } else {
+ return errno;
+ }
+}
+
+int
+proc_reset_footprint_interval(pid_t pid)
+{
+ return proc_rlimit_control(pid, RLIMIT_FOOTPRINT_INTERVAL, (void *)(uintptr_t)FOOTPRINT_INTERVAL_RESET);
}
+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;
+ }
+}
+
+#if (TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
+
int
proc_setcpu_deadline(pid_t pid, int action, uint64_t deadline)
{
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, (proc_policy_attribute_t*)&attr, pid, (uint64_t)0) != -1)
- return(0);
- else
- return(errno);
-
+ if (__process_policy(PROC_POLICY_SCOPE_PROCESS, PROC_POLICY_ACTION_APPLY, PROC_POLICY_RESOURCE_USAGE, PROC_POLICY_RUSAGE_CPU, (proc_policy_attribute_t*)&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)
{
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, (proc_policy_attribute_t*)&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);
-
-
+ if (__process_policy(PROC_POLICY_SCOPE_PROCESS, PROC_POLICY_ACTION_APPLY, PROC_POLICY_RESOURCE_USAGE, PROC_POLICY_RUSAGE_CPU, (proc_policy_attribute_t*)&attr, pid, (uint64_t)0) != -1) {
+ return 0;
+ } else {
+ return errno;
+ }
}
int
int state;
if (__process_policy(PROC_POLICY_SCOPE_PROCESS, PROC_POLICY_ACTION_GET, PROC_POLICY_APP_LIFECYCLE, PROC_POLICY_APPLIFE_STATE, (proc_policy_attribute_t*)&state, pid, (uint64_t)0) != -1) {
- if (appstatep != NULL)
+ if (appstatep != NULL) {
*appstatep = state;
- return(0);
- } else
- return(errno);
-
+ }
+ 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, (proc_policy_attribute_t*)&state, pid, (uint64_t)0) != -1)
- return(0);
- else
- return(errno);
-}
-
-int
+ 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, (proc_policy_attribute_t*)&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);
+ 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, (proc_policy_attribute_t*)&state, getpid(), (uint64_t)0) != -1) {
- return(0);
- } else
- return(errno);
-
+ return 0;
+ } else {
+ return errno;
+ }
}
int
proc_pidbind(int pid, uint64_t threadid, int bind)
{
- int state = 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);
+ 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, (proc_policy_attribute_t*)&state, passpid, threadid) != -1) {
+ return 0;
+ } else {
+ return errno;
}
- if (__process_policy(PROC_POLICY_SCOPE_PROCESS, PROC_POLICY_ACTION_APPLY, PROC_POLICY_APP_LIFECYCLE, PROC_POLICY_APPLIFE_PIDBIND, (proc_policy_attribute_t*)&state, passpid, threadid) != -1)
- return(0);
- else
- return(errno);
}
-#endif /* TARGET_OS_EMBEDDED */
+
+int
+proc_can_use_foreground_hw(int pid, uint32_t *reason)
+{
+ return __proc_info(PROC_INFO_CALL_CANUSEFGHW, pid, 0, 0, reason, sizeof(*reason));
+}
+#endif /* (TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR) */
/* Donate importance to adaptive processes from this process */
-int
+int
proc_donate_importance_boost()
{
int rval;
-#if TARGET_OS_EMBEDDED
+#if (TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
rval = __process_policy(PROC_POLICY_SCOPE_PROCESS,
- PROC_POLICY_ACTION_ENABLE,
- PROC_POLICY_APPTYPE,
- PROC_POLICY_IOS_DONATEIMP,
- NULL, getpid(), (uint64_t)0);
-#else /* TARGET_OS_EMBEDDED */
+ PROC_POLICY_ACTION_ENABLE,
+ PROC_POLICY_APPTYPE,
+ PROC_POLICY_IOS_DONATEIMP,
+ NULL, getpid(), (uint64_t)0);
+#else /* (TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR) */
rval = __process_policy(PROC_POLICY_SCOPE_PROCESS,
- PROC_POLICY_ACTION_SET,
- PROC_POLICY_BOOST,
- PROC_POLICY_IMP_DONATION,
- NULL, getpid(), 0);
-#endif /* TARGET_OS_EMBEDDED */
-
- if (rval == 0)
- return (0);
- else
- return (errno);
+ PROC_POLICY_ACTION_SET,
+ PROC_POLICY_BOOST,
+ PROC_POLICY_IMP_DONATION,
+ NULL, getpid(), 0);
+#endif /* (TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR) */
+
+ if (rval == 0) {
+ return 0;
+ } else {
+ return errno;
+ }
}
static __attribute__((noinline)) void
-proc_importance_bad_assertion(char *reason) {
- (void)reason;
+proc_importance_bad_assertion(char *reason)
+{
+ (void)reason;
}
-/*
+/*
* Use the address of these variables as the token. This way, they can be
* printed in the debugger as useful names.
*/
uint64_t important_boost_assertion_token = 0xfafafafafafafafa;
uint64_t normal_boost_assertion_token = 0xfbfbfbfbfbfbfbfb;
uint64_t non_boost_assertion_token = 0xfcfcfcfcfcfcfcfc;
+uint64_t denap_boost_assertion_token = 0xfdfdfdfdfdfdfdfd;
/*
* Accept the boost on a message, or request another boost assertion
*/
int
proc_importance_assertion_begin_with_msg(mach_msg_header_t *msg,
- __unused mach_msg_trailer_t *trailer,
- uint64_t *assertion_token)
+ __unused mach_msg_trailer_t *trailer,
+ uint64_t *assertion_token)
{
int rval = 0;
- if (assertion_token == NULL)
- return (EINVAL);
-
- /* Is this a boosting message? */
- if ((msg->msgh_bits & MACH_MSGH_BITS_RAISEIMP) != 0) {
+ if (assertion_token == NULL) {
+ return EINVAL;
+ }
+
+#define LEGACYBOOSTMASK (MACH_MSGH_BITS_VOUCHER_MASK | MACH_MSGH_BITS_RAISEIMP)
+#define LEGACYBOOSTED(m) (((m)->msgh_bits & LEGACYBOOSTMASK) == MACH_MSGH_BITS_RAISEIMP)
- /*
+ /* Is this a legacy boosted message? */
+ if (LEGACYBOOSTED(msg)) {
+ /*
* Have we accepted the implicit boost for this message yet?
- * If we haven't accepted it yet, no need to call into kernel.
+ * If we haven't accepted it yet, no need to call into kernel.
*/
if ((msg->msgh_bits & MACH_MSGH_BITS_IMPHOLDASRT) == 0) {
msg->msgh_bits |= MACH_MSGH_BITS_IMPHOLDASRT;
*assertion_token = (uint64_t) &important_boost_assertion_token;
- return (0);
+ return 0;
}
/* Request an additional boost count */
-
-#if TARGET_OS_EMBEDDED
- rval = __process_policy(PROC_POLICY_SCOPE_PROCESS,
- PROC_POLICY_ACTION_ENABLE,
- PROC_POLICY_APPTYPE,
- PROC_POLICY_IOS_HOLDIMP,
- NULL, getpid(), 0);
-#else /* TARGET_OS_EMBEDDED */
rval = __process_policy(PROC_POLICY_SCOPE_PROCESS,
- PROC_POLICY_ACTION_HOLD,
- PROC_POLICY_BOOST,
- PROC_POLICY_IMP_IMPORTANT,
- NULL, getpid(), 0);
-#endif /* TARGET_OS_EMBEDDED */
-
+ PROC_POLICY_ACTION_HOLD,
+ PROC_POLICY_BOOST,
+ PROC_POLICY_IMP_IMPORTANT,
+ NULL, getpid(), 0);
if (rval == 0) {
*assertion_token = (uint64_t) &important_boost_assertion_token;
- return (0);
+ return 0;
} else if (errno == EOVERFLOW) {
proc_importance_bad_assertion("Attempted to take assertion while not boosted");
- return (errno);
+ return errno;
} else {
- return (errno);
+ return errno;
}
}
-
- return (EIO);
+
+ return EIO;
}
{
int rval = 0;
- if (assertion_token == 0)
- return (0);
+ if (assertion_token == 0) {
+ return 0;
+ }
if (assertion_token == (uint64_t) &important_boost_assertion_token) {
-
-#if TARGET_OS_EMBEDDED
rval = __process_policy(PROC_POLICY_SCOPE_PROCESS,
- PROC_POLICY_ACTION_ENABLE,
- PROC_POLICY_APPTYPE,
- PROC_POLICY_IOS_DROPIMP,
- NULL, getpid(), 0);
-#else /* TARGET_OS_EMBEDDED */
- rval = __process_policy(PROC_POLICY_SCOPE_PROCESS,
- PROC_POLICY_ACTION_DROP,
- PROC_POLICY_BOOST,
- PROC_POLICY_IMP_IMPORTANT,
- NULL, getpid(), 0);
-#endif /* TARGET_OS_EMBEDDED */
-
+ PROC_POLICY_ACTION_DROP,
+ PROC_POLICY_BOOST,
+ PROC_POLICY_IMP_IMPORTANT,
+ NULL, getpid(), 0);
if (rval == 0) {
- return (0);
+ return 0;
} else if (errno == EOVERFLOW) {
proc_importance_bad_assertion("Attempted to drop too many assertions");
- return (errno);
+ return errno;
} else {
- return (errno);
+ return errno;
}
} else {
proc_importance_bad_assertion("Attempted to drop assertion with invalid token");
- return (EIO);
+ return EIO;
}
}
-#if !TARGET_OS_EMBEDDED
+/*
+ * Accept the De-Nap boost on a message, or request another boost assertion
+ * if we have already accepted the implicit boost for this message.
+ *
+ * Interface is deprecated before it really got started - just as synonym
+ * for proc_importance_assertion_begin_with_msg() now.
+ */
+int
+proc_denap_assertion_begin_with_msg(mach_msg_header_t *msg,
+ uint64_t *assertion_token)
+{
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+ return proc_importance_assertion_begin_with_msg(msg, NULL, assertion_token);
+#pragma clang diagnostic pop
+}
+
+
+/*
+ * Drop a denap boost assertion.
+ *
+ * Interface is deprecated before it really got started - just a synonym
+ * for proc_importance_assertion_complete() now.
+ */
+int
+proc_denap_assertion_complete(uint64_t assertion_token)
+{
+ return proc_importance_assertion_complete(assertion_token);
+}
+
+#if !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR)
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);
+ 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
+int
proc_set_owner_vmpressure(void)
{
int retval;
- if ((retval = __proc_info(PROC_INFO_CALL_SETCONTROL, getpid(), PROC_SELFSET_VMRSRCOWNER, (uint64_t)0, NULL, 0)) == -1)
- return(errno);
-
- return(0);
+ if ((retval = __proc_info(PROC_INFO_CALL_SETCONTROL, getpid(), PROC_SELFSET_VMRSRCOWNER, (uint64_t)0, NULL, 0)) == -1) {
+ return errno;
+ }
+
+ return 0;
}
/* mark yourself to delay idle sleep on disk IO */
-int
+int
proc_set_delayidlesleep(void)
{
int retval;
- if ((retval = __proc_info(PROC_INFO_CALL_SETCONTROL, getpid(), PROC_SELFSET_DELAYIDLESLEEP, (uint64_t)1, NULL, 0)) == -1)
- return(errno);
+ if ((retval = __proc_info(PROC_INFO_CALL_SETCONTROL, getpid(), PROC_SELFSET_DELAYIDLESLEEP, (uint64_t)1, NULL, 0)) == -1) {
+ return errno;
+ }
- return(0);
+ return 0;
}
/* Reset yourself to delay idle sleep on disk IO, if already set */
-int
+int
proc_clear_delayidlesleep(void)
{
int retval;
- if ((retval = __proc_info(PROC_INFO_CALL_SETCONTROL, getpid(), PROC_SELFSET_DELAYIDLESLEEP, (uint64_t)0, NULL, 0)) == -1)
- return(errno);
+ if ((retval = __proc_info(PROC_INFO_CALL_SETCONTROL, getpid(), PROC_SELFSET_DELAYIDLESLEEP, (uint64_t)0, NULL, 0)) == -1) {
+ return errno;
+ }
- return(0);
+ return 0;
}
/* disable the launch time backgroudn policy and restore the process to default group */
-int
+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);
+ 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);
-
+ 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
+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);
-
+ 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);
-
+ 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;
+ }
}
-#if !TARGET_IPHONE_SIMULATOR
+#if !TARGET_OS_SIMULATOR
int
proc_suppress(__unused pid_t pid, __unused uint64_t *generation)
return 0;
}
-#endif /* !TARGET_IPHONE_SIMULATOR */
-
-#endif /* !TARGET_OS_EMBEDDED */
-
-
+#endif /* !TARGET_OS_SIMULATOR */
+#endif /* !(TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR) */
projects / apple / xnu.git / blobdiff