3529a1b59f
Added darwin port. Patch by Benjamin Reed <ranger@befunk.com>. Closes #481068. Bumped version number to 2.21.1. svn path=/trunk/; revision=2666
119 lines
3.3 KiB
C
119 lines
3.3 KiB
C
/*
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This file is part of LibGTop 2.0.
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LibGTop is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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LibGTop is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with LibGTop; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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*/
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#include <config.h>
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#include <unistd.h>
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#include <glibtop.h>
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#include <glibtop/error.h>
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#include <glibtop/proctime.h>
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#include <glibtop_suid.h>
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#include <mach/mach_init.h>
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#include <mach/mach_host.h>
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#include <mach/mach_port.h>
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#include <mach/task.h>
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#include <mach/vm_map.h>
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#include <sys/types.h>
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#include <sys/sysctl.h>
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static const unsigned long _glibtop_sysdeps_proc_time =
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(1L << GLIBTOP_PROC_TIME_UTIME) + (1L << GLIBTOP_PROC_TIME_STIME) +
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(1L << GLIBTOP_PROC_TIME_FREQUENCY) + (1L << GLIBTOP_PROC_TIME_START_TIME);
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#define tv2sec(tv) (((u_int64_t) tv.seconds * 1000000) + (u_int64_t) tv.microseconds)
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/* Init function. */
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void
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_glibtop_init_proc_time_p (glibtop *server)
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{
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server->sysdeps.proc_time = _glibtop_sysdeps_proc_time;
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}
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/* Provides detailed information about a process. */
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void
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glibtop_get_proc_time_p (glibtop *server, glibtop_proc_time *buf,
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pid_t pid)
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{
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unsigned int count;
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task_basic_info_data_t ti;
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task_thread_times_info_data_t tti;
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task_port_t task;
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time_value_t utime = {0, 0}, stime = {0, 0};
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size_t length;
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struct kinfo_proc kinfo;
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int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, 0 };
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glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_PROC_TIME), 0);
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memset (buf, 0, sizeof (glibtop_proc_time));
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mib[3] = pid;
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length = sizeof (kinfo);
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if (sysctl (mib, 4, &kinfo, &length, NULL, 0) < 0) {
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glibtop_suid_leave (server);
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return;
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}
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/* !!! THE FOLLOWING CODE RUNS SUID ROOT - CHANGE WITH CAUTION !!! */
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glibtop_suid_enter (server);
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if (task_for_pid (mach_task_self(), pid, &task) != KERN_SUCCESS) {
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glibtop_suid_leave (server);
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return;
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}
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glibtop_suid_leave (server);
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/* !!! END OF SUID ROOT PART !!! */
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count = TASK_BASIC_INFO_COUNT;
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if (task_info(task, TASK_BASIC_INFO, (task_info_t)&ti, &count) != KERN_SUCCESS) {
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glibtop_warn_io_r (server, "task_info (proctime)");
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if (task != mach_task_self())
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mach_port_deallocate (mach_task_self(), task);
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return;
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}
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count = TASK_THREAD_TIMES_INFO_COUNT;
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if (task_info(task, TASK_THREAD_TIMES_INFO, (task_info_t)&tti, &count) != KERN_SUCCESS) {
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glibtop_warn_io_r (server, "task_info (proctime)");
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if (task != mach_task_self())
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mach_port_deallocate (mach_task_self(), task);
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return;
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}
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time_value_add (&utime, &ti.user_time);
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time_value_add (&stime, &ti.system_time);
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time_value_add (&utime, &tti.user_time);
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time_value_add (&stime, &tti.system_time);
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/* use the same frequency as cpu.c */
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buf->utime = tv2sec (utime) / 10000;
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buf->stime = tv2sec (stime) / 10000;
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buf->frequency = 1000000 / 10000;
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buf->start_time = kinfo.kp_proc.p_starttime.tv_sec;
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buf->flags = _glibtop_sysdeps_proc_time;
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}
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