1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/* resource.cc: getrusage () and friends.
Copyright 1996, 1997, 1998, 2000 Cygnus Solutions.
Written by Steve Chamberlain (sac@cygnus.com), Doug Evans (dje@cygnus.com),
Geoffrey Noer (noer@cygnus.com) of Cygnus Support.
Rewritten by Sergey S. Okhapkin (sos@prospect.com.ru)
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#include <errno.h>
#include "winsup.h"
/* add timeval values */
static void
add_timeval (struct timeval *tv1, struct timeval *tv2)
{
tv1->tv_sec += tv2->tv_sec;
tv1->tv_usec += tv2->tv_usec;
if (tv1->tv_usec >= 1000000)
{
tv1->tv_usec -= 1000000;
tv1->tv_sec++;
}
}
/* add rusage values of r2 to r1 */
void __stdcall
add_rusage (struct rusage *r1, struct rusage *r2)
{
add_timeval (&r1->ru_utime, &r2->ru_utime);
add_timeval (&r1->ru_stime, &r2->ru_stime);
r1->ru_maxrss += r2->ru_maxrss;
r1->ru_ixrss += r2->ru_ixrss;
r1->ru_idrss += r2->ru_idrss;
r1->ru_isrss += r2->ru_isrss;
r1->ru_minflt += r2->ru_minflt;
r1->ru_majflt += r2->ru_majflt;
r1->ru_nswap += r2->ru_nswap;
r1->ru_inblock += r2->ru_inblock;
r1->ru_oublock += r2->ru_oublock;
r1->ru_msgsnd += r2->ru_msgsnd;
r1->ru_msgrcv += r2->ru_msgrcv;
r1->ru_nsignals += r2->ru_nsignals;
r1->ru_nvcsw += r2->ru_nvcsw;
r1->ru_nivcsw += r2->ru_nivcsw;
}
/* FIXME: what about other fields? */
void __stdcall
fill_rusage (struct rusage *r, HANDLE h)
{
FILETIME creation_time = {0,0};
FILETIME exit_time = {0,0};
FILETIME kernel_time = {0,0};
FILETIME user_time = {0,0};
struct timeval tv;
GetProcessTimes (h, &creation_time, &exit_time, &kernel_time, &user_time);
totimeval (&tv, &kernel_time, 0, 0);
add_timeval (&r->ru_stime, &tv);
totimeval (&tv, &user_time, 0, 0);
add_timeval (&r->ru_utime, &tv);
}
extern "C"
int
getrusage (int intwho, struct rusage *rusage_in)
{
int res = 0;
struct rusage r;
if (intwho == RUSAGE_SELF)
{
memset (&r, 0, sizeof (r));
fill_rusage (&r, hMainProc);
*rusage_in = r;
}
else if (intwho == RUSAGE_CHILDREN)
*rusage_in = myself->rusage_children;
else
{
set_errno (EINVAL);
res = -1;
}
syscall_printf ("%d = getrusage (%d, %p)", res, intwho, rusage_in);
return res;
}
|
