1 files changed, 118 insertions, 0 deletions
diff --git a/sysdeps/darwin/proctime.c b/sysdeps/darwin/proctime.c
new file mode 100644
index 00000000..195b05a5
--- /dev/null
+++ b/sysdeps/darwin/proctime.c
@@ -0,0 +1,118 @@
+/*
+   This file is part of LibGTop 2.0.
+
+   LibGTop 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 of the License,
+   or (at your option) any later version.
+
+   LibGTop 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 LibGTop; see the file COPYING. If not, write to the
+   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+#include <unistd.h>
+
+#include <glibtop.h>
+#include <glibtop/error.h>
+#include <glibtop/proctime.h>
+
+#include <glibtop_suid.h>
+
+#include <mach/mach_init.h>
+#include <mach/mach_host.h>
+#include <mach/mach_port.h>
+#include <mach/task.h>
+#include <mach/vm_map.h>
+#include <sys/types.h>
+#include <sys/sysctl.h>
+
+static const unsigned long _glibtop_sysdeps_proc_time =
+(1L << GLIBTOP_PROC_TIME_UTIME) + (1L << GLIBTOP_PROC_TIME_STIME) +
+(1L << GLIBTOP_PROC_TIME_FREQUENCY) + (1L << GLIBTOP_PROC_TIME_START_TIME);
+
+#define tv2sec(tv) (((u_int64_t) tv.seconds * 1000000) + (u_int64_t) tv.microseconds)
+
+/* Init function. */
+
+void
+_glibtop_init_proc_time_p (glibtop *server)
+{
+	server->sysdeps.proc_time = _glibtop_sysdeps_proc_time;
+}
+
+/* Provides detailed information about a process. */
+
+void
+glibtop_get_proc_time_p (glibtop *server, glibtop_proc_time *buf,
+			 pid_t pid)
+{
+	unsigned int count;
+	task_basic_info_data_t ti;
+	task_thread_times_info_data_t tti;
+	task_port_t task;
+	time_value_t utime = {0, 0}, stime = {0, 0};
+	size_t length;
+	struct kinfo_proc kinfo;
+	int mib[] = { CTL_KERN, KERN_PROC, KERN_PROC_PID, 0 };
+
+	glibtop_init_p (server, (1 << GLIBTOP_SYSDEPS_PROC_TIME), 0);
+
+	memset (buf, 0, sizeof (glibtop_proc_time));
+
+	mib[3] = pid;
+	length = sizeof (kinfo);
+	if (sysctl (mib, 4, &kinfo, &length, NULL, 0) < 0) {
+		glibtop_suid_leave (server);
+		return;
+	}
+
+	/* !!! THE FOLLOWING CODE RUNS SUID ROOT - CHANGE WITH CAUTION !!! */
+
+	glibtop_suid_enter (server);
+
+	if (task_for_pid (mach_task_self(), pid, &task) != KERN_SUCCESS) {
+		glibtop_suid_leave (server);
+		return;
+	}
+
+	glibtop_suid_leave (server);
+
+	/* !!! END OF SUID ROOT PART !!! */
+
+	count = TASK_BASIC_INFO_COUNT;
+	if (task_info(task, TASK_BASIC_INFO, (task_info_t)&ti, &count) != KERN_SUCCESS) {
+		glibtop_warn_io_r (server, "task_info (proctime)");
+		if (task != mach_task_self())
+			mach_port_deallocate (mach_task_self(), task);
+		return;
+	}
+
+	count = TASK_THREAD_TIMES_INFO_COUNT;
+	if (task_info(task, TASK_THREAD_TIMES_INFO, (task_info_t)&tti, &count) != KERN_SUCCESS) {
+		glibtop_warn_io_r (server, "task_info (proctime)");
+		if (task != mach_task_self())
+			mach_port_deallocate (mach_task_self(), task);
+		return;
+	}
+
+	time_value_add (&utime, &ti.user_time);
+	time_value_add (&stime, &ti.system_time);
+	time_value_add (&utime, &tti.user_time);
+	time_value_add (&stime, &tti.system_time);
+
+	/* use the same frequency as cpu.c */
+	buf->utime  = tv2sec (utime) / 10000;
+	buf->stime  = tv2sec (stime) / 10000;
+	buf->frequency = 1000000 / 10000;
+	buf->start_time = kinfo.kp_proc.p_starttime.tv_sec;
+
+	buf->flags  = _glibtop_sysdeps_proc_time;
+}