resource.c revision 60fe8c139c6f2febefe595781812ddf0864a6ab8 
1/*
2 * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
3 * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
4 * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
5 * Copyright (c) 1996-1999 Wichert Akkerman <wichert@cistron.nl>
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. The name of the author may not be used to endorse or promote products
17 *    derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 *	$Id$
31 */
32
33#include "defs.h"
34
35#include <sys/resource.h>
36#ifdef LINUX
37#include <sys/times.h>
38#include <linux/kernel.h>
39#endif /* LINUX */
40#if defined(SVR4) || defined(FREEBSD)
41#include <sys/times.h>
42#include <sys/time.h>
43#endif
44
45#if HAVE_LONG_LONG_RLIM_T
46/*
47 * Hacks for systems that have a long long rlim_t
48 */
49
50#define rlimit64 rlimit			/* Ugly hack */
51#define rlim64_t rlim_t			/* Ugly hack */
52#define RLIM64_INFINITY RLIM_INFINITY	/* You guessed it */
53
54#define sys_getrlimit64	sys_getrlimit
55#define sys_setrlimit64	sys_setrlimit
56#endif
57
58static const struct xlat resources[] = {
59#ifdef RLIMIT_AS
60	{ RLIMIT_AS,	"RLIMIT_AS"	},
61#endif
62#ifdef RLIMIT_CORE
63	{ RLIMIT_CORE,	"RLIMIT_CORE"	},
64#endif
65#ifdef RLIMIT_CPU
66	{ RLIMIT_CPU,	"RLIMIT_CPU"	},
67#endif
68#ifdef RLIMIT_DATA
69	{ RLIMIT_DATA,	"RLIMIT_DATA"	},
70#endif
71#ifdef RLIMIT_FSIZE
72	{ RLIMIT_FSIZE,	"RLIMIT_FSIZE"	},
73#endif
74#ifdef RLIMIT_LOCKS
75	{ RLIMIT_LOCKS,	"RLIMIT_LOCKS"	},
76#endif
77#ifdef RLIMIT_MEMLOCK
78	{ RLIMIT_MEMLOCK,	"RLIMIT_MEMLOCK"	},
79#endif
80#ifdef RLIMIT_MSGQUEUE
81	{ RLIMIT_MSGQUEUE,	"RLIMIT_MSGQUEUE"	},
82#endif
83#ifdef RLIMIT_NICE
84	{ RLIMIT_NICE,	"RLIMIT_NICE"	},
85#endif
86#ifdef RLIMIT_NOFILE
87	{ RLIMIT_NOFILE,	"RLIMIT_NOFILE"	},
88#endif
89#ifdef RLIMIT_NPROC
90	{ RLIMIT_NPROC,	"RLIMIT_NPROC"	},
91#endif
92#ifdef RLIMIT_RSS
93	{ RLIMIT_RSS,	"RLIMIT_RSS"	},
94#endif
95#ifdef RLIMIT_RTPRIO
96	{ RLIMIT_RTPRIO,	"RLIMIT_RTPRIO"	},
97#endif
98#ifdef RLIMIT_SIGPENDING
99	{ RLIMIT_SIGPENDING,	"RLIMIT_SIGPENDING"	},
100#endif
101#ifdef RLIMIT_STACK
102	{ RLIMIT_STACK,	"RLIMIT_STACK"	},
103#endif
104#ifdef RLIMIT_VMEM
105	{ RLIMIT_VMEM,	"RLIMIT_VMEM"	},
106#endif
107	{ 0,		NULL		},
108};
109
110#if !HAVE_LONG_LONG_RLIM_T
111static char *
112sprintrlim(long lim)
113{
114	static char buf[32];
115
116	if (lim == RLIM_INFINITY)
117		sprintf(buf, "RLIM_INFINITY");
118	else if (lim > 1024 && lim%1024 == 0)
119		sprintf(buf, "%ld*1024", lim/1024);
120	else
121		sprintf(buf, "%ld", lim);
122	return buf;
123}
124
125# if defined LINUX && (defined POWERPC64 || defined X86_64)
126static void
127print_rlimit32(struct tcb *tcp)
128{
129	struct rlimit32 {
130		unsigned int rlim_cur;
131		unsigned int rlim_max;
132	} rlim;
133
134	if (umove(tcp, tcp->u_arg[1], &rlim) < 0)
135		tprints("{...}");
136	else {
137		tprintf("{rlim_cur=%s,",
138			sprintrlim(rlim.rlim_cur == -1 ? RLIM_INFINITY
139				   : rlim.rlim_cur));
140		tprintf(" rlim_max=%s}",
141			sprintrlim(rlim.rlim_max == -1 ? RLIM_INFINITY
142				   : rlim.rlim_max));
143	}
144}
145# endif
146
147int
148sys_getrlimit(struct tcb *tcp)
149{
150	struct rlimit rlim;
151
152	if (entering(tcp)) {
153		printxval(resources, tcp->u_arg[0], "RLIMIT_???");
154		tprints(", ");
155	}
156	else {
157		if (syserror(tcp) || !verbose(tcp))
158			tprintf("%#lx", tcp->u_arg[1]);
159# if defined LINUX && (defined POWERPC64 || defined X86_64)
160		else if (current_personality == 1)
161			print_rlimit32(tcp);
162# endif
163		else if (umove(tcp, tcp->u_arg[1], &rlim) < 0)
164			tprints("{...}");
165		else {
166			tprintf("{rlim_cur=%s,", sprintrlim(rlim.rlim_cur));
167			tprintf(" rlim_max=%s}", sprintrlim(rlim.rlim_max));
168		}
169	}
170	return 0;
171}
172
173int
174sys_setrlimit(struct tcb *tcp)
175{
176	struct rlimit rlim;
177
178	if (entering(tcp)) {
179		printxval(resources, tcp->u_arg[0], "RLIMIT_???");
180		tprints(", ");
181		if (!verbose(tcp))
182			tprintf("%#lx", tcp->u_arg[1]);
183# if defined LINUX && (defined POWERPC64 || defined X86_64)
184		else if (current_personality == 1)
185			print_rlimit32(tcp);
186# endif
187		else if (umove(tcp, tcp->u_arg[1], &rlim) < 0)
188			tprints("{...}");
189		else {
190			tprintf("{rlim_cur=%s,", sprintrlim(rlim.rlim_cur));
191			tprintf(" rlim_max=%s}", sprintrlim(rlim.rlim_max));
192		}
193	}
194	return 0;
195}
196#endif /* !HAVE_LONG_LONG_RLIM_T */
197
198#if _LFS64_LARGEFILE || HAVE_LONG_LONG_RLIM_T
199static char *
200sprintrlim64(rlim64_t lim)
201{
202	static char buf[64];
203
204	if (lim == RLIM64_INFINITY)
205		sprintf(buf, "RLIM64_INFINITY");
206	else if (lim > 1024 && lim%1024 == 0)
207		sprintf(buf, "%lld*1024", (long long) lim/1024);
208	else
209		sprintf(buf, "%lld", (long long) lim);
210	return buf;
211}
212
213int
214sys_getrlimit64(struct tcb *tcp)
215{
216	struct rlimit64 rlim;
217
218	if (entering(tcp)) {
219		printxval(resources, tcp->u_arg[0], "RLIMIT_???");
220		tprints(", ");
221	}
222	else {
223		if (syserror(tcp) || !verbose(tcp))
224			tprintf("%#lx", tcp->u_arg[1]);
225		else if (umove(tcp, tcp->u_arg[1], &rlim) < 0)
226			tprints("{...}");
227		else {
228			tprintf("{rlim_cur=%s,", sprintrlim64(rlim.rlim_cur));
229			tprintf(" rlim_max=%s}", sprintrlim64(rlim.rlim_max));
230		}
231	}
232	return 0;
233}
234
235int
236sys_setrlimit64(struct tcb *tcp)
237{
238	struct rlimit64 rlim;
239
240	if (entering(tcp)) {
241		printxval(resources, tcp->u_arg[0], "RLIMIT_???");
242		tprints(", ");
243		if (!verbose(tcp))
244			tprintf("%#lx", tcp->u_arg[1]);
245		else if (umove(tcp, tcp->u_arg[1], &rlim) < 0)
246			tprints("{...}");
247		else {
248			tprintf("{rlim_cur=%s,", sprintrlim64(rlim.rlim_cur));
249			tprintf(" rlim_max=%s}", sprintrlim64(rlim.rlim_max));
250		}
251	}
252	return 0;
253}
254#endif /* _LFS64_LARGEFILES || HAVE_LONG_LONG_RLIM_T */
255
256#ifndef SVR4
257
258static const struct xlat usagewho[] = {
259	{ RUSAGE_SELF,		"RUSAGE_SELF"		},
260	{ RUSAGE_CHILDREN,	"RUSAGE_CHILDREN"	},
261#ifdef RUSAGE_BOTH
262	{ RUSAGE_BOTH,		"RUSAGE_BOTH"		},
263#endif
264	{ 0,			NULL			},
265};
266
267#ifdef ALPHA
268void
269printrusage32(struct tcb *tcp, long addr)
270{
271	struct timeval32 {
272		unsigned tv_sec;
273		unsigned tv_usec;
274	};
275	struct rusage32 {
276		struct timeval32 ru_utime;	/* user time used */
277		struct timeval32 ru_stime;	/* system time used */
278		long	ru_maxrss;		/* maximum resident set size */
279		long	ru_ixrss;		/* integral shared memory size */
280		long	ru_idrss;		/* integral unshared data size */
281		long	ru_isrss;		/* integral unshared stack size */
282		long	ru_minflt;		/* page reclaims */
283		long	ru_majflt;		/* page faults */
284		long	ru_nswap;		/* swaps */
285		long	ru_inblock;		/* block input operations */
286		long	ru_oublock;		/* block output operations */
287		long	ru_msgsnd;		/* messages sent */
288		long	ru_msgrcv;		/* messages received */
289		long	ru_nsignals;		/* signals received */
290		long	ru_nvcsw;		/* voluntary context switches */
291		long	ru_nivcsw;		/* involuntary " */
292	} ru;
293
294	if (!addr)
295		tprints("NULL");
296	else if (syserror(tcp) || !verbose(tcp))
297		tprintf("%#lx", addr);
298	else if (umove(tcp, addr, &ru) < 0)
299		tprints("{...}");
300	else if (!abbrev(tcp)) {
301		tprintf("{ru_utime={%lu, %lu}, ru_stime={%lu, %lu}, ",
302			(long) ru.ru_utime.tv_sec, (long) ru.ru_utime.tv_usec,
303			(long) ru.ru_stime.tv_sec, (long) ru.ru_stime.tv_usec);
304		tprintf("ru_maxrss=%lu, ru_ixrss=%lu, ",
305			ru.ru_maxrss, ru.ru_ixrss);
306		tprintf("ru_idrss=%lu, ru_isrss=%lu, ",
307			ru.ru_idrss, ru.ru_isrss);
308		tprintf("ru_minflt=%lu, ru_majflt=%lu, ru_nswap=%lu, ",
309			ru.ru_minflt, ru.ru_majflt, ru.ru_nswap);
310		tprintf("ru_inblock=%lu, ru_oublock=%lu, ",
311			ru.ru_inblock, ru.ru_oublock);
312		tprintf("ru_msgsnd=%lu, ru_msgrcv=%lu, ",
313			ru.ru_msgsnd, ru.ru_msgrcv);
314		tprintf("ru_nsignals=%lu, ru_nvcsw=%lu, ru_nivcsw=%lu}",
315			ru.ru_nsignals, ru.ru_nvcsw, ru.ru_nivcsw);
316	}
317	else {
318		tprintf("{ru_utime={%lu, %lu}, ru_stime={%lu, %lu}, ...}",
319			(long) ru.ru_utime.tv_sec, (long) ru.ru_utime.tv_usec,
320			(long) ru.ru_stime.tv_sec, (long) ru.ru_stime.tv_usec);
321	}
322}
323#endif
324
325void
326printrusage(struct tcb *tcp, long addr)
327{
328	struct rusage ru;
329
330	if (!addr)
331		tprints("NULL");
332	else if (syserror(tcp) || !verbose(tcp))
333		tprintf("%#lx", addr);
334	else if (umove(tcp, addr, &ru) < 0)
335		tprints("{...}");
336	else if (!abbrev(tcp)) {
337		tprintf("{ru_utime={%lu, %lu}, ru_stime={%lu, %lu}, ",
338			(long) ru.ru_utime.tv_sec, (long) ru.ru_utime.tv_usec,
339			(long) ru.ru_stime.tv_sec, (long) ru.ru_stime.tv_usec);
340		tprintf("ru_maxrss=%lu, ru_ixrss=%lu, ",
341			ru.ru_maxrss, ru.ru_ixrss);
342		tprintf("ru_idrss=%lu, ru_isrss=%lu, ",
343			ru.ru_idrss, ru.ru_isrss);
344		tprintf("ru_minflt=%lu, ru_majflt=%lu, ru_nswap=%lu, ",
345			ru.ru_minflt, ru.ru_majflt, ru.ru_nswap);
346		tprintf("ru_inblock=%lu, ru_oublock=%lu, ",
347			ru.ru_inblock, ru.ru_oublock);
348		tprintf("ru_msgsnd=%lu, ru_msgrcv=%lu, ",
349			ru.ru_msgsnd, ru.ru_msgrcv);
350		tprintf("ru_nsignals=%lu, ru_nvcsw=%lu, ru_nivcsw=%lu}",
351			ru.ru_nsignals, ru.ru_nvcsw, ru.ru_nivcsw);
352	}
353	else {
354		tprintf("{ru_utime={%lu, %lu}, ru_stime={%lu, %lu}, ...}",
355			(long) ru.ru_utime.tv_sec, (long) ru.ru_utime.tv_usec,
356			(long) ru.ru_stime.tv_sec, (long) ru.ru_stime.tv_usec);
357	}
358}
359
360int
361sys_getrusage(struct tcb *tcp)
362{
363	if (entering(tcp)) {
364		printxval(usagewho, tcp->u_arg[0], "RUSAGE_???");
365		tprints(", ");
366	}
367	else
368		printrusage(tcp, tcp->u_arg[1]);
369	return 0;
370}
371
372#ifdef ALPHA
373int
374sys_osf_getrusage(struct tcb *tcp)
375{
376	if (entering(tcp)) {
377		printxval(usagewho, tcp->u_arg[0], "RUSAGE_???");
378		tprints(", ");
379	}
380	else
381		printrusage32(tcp, tcp->u_arg[1]);
382	return 0;
383}
384#endif /* ALPHA */
385
386#endif /* !SVR4 */
387
388#ifdef LINUX
389
390int
391sys_sysinfo(struct tcb *tcp)
392{
393	struct sysinfo si;
394
395	if (exiting(tcp)) {
396		if (syserror(tcp) || !verbose(tcp))
397			tprintf("%#lx", tcp->u_arg[0]);
398		else if (umove(tcp, tcp->u_arg[0], &si) < 0)
399			tprints("{...}");
400		else {
401			tprintf("{uptime=%lu, loads=[%lu, %lu, %lu] ",
402				si.uptime, si.loads[0], si.loads[1],
403				si.loads[2]);
404			tprintf("totalram=%lu, freeram=%lu, ",
405				si.totalram, si.freeram);
406			tprintf("sharedram=%lu, bufferram=%lu} ",
407				si.sharedram, si.bufferram);
408			tprintf("totalswap=%lu, freeswap=%lu, procs=%hu}",
409				si.totalswap, si.freeswap, si.procs);
410		}
411	}
412	return 0;
413}
414
415#endif /* LINUX */
416
417static const struct xlat priorities[] = {
418	{ PRIO_PROCESS,	"PRIO_PROCESS"	},
419	{ PRIO_PGRP,	"PRIO_PGRP"	},
420	{ PRIO_USER,	"PRIO_USER"	},
421	{ 0,		NULL		},
422};
423
424int
425sys_getpriority(struct tcb *tcp)
426{
427	if (entering(tcp)) {
428		printxval(priorities, tcp->u_arg[0], "PRIO_???");
429		tprintf(", %lu", tcp->u_arg[1]);
430	}
431	return 0;
432}
433
434int
435sys_setpriority(struct tcb *tcp)
436{
437	if (entering(tcp)) {
438		printxval(priorities, tcp->u_arg[0], "PRIO_???");
439		tprintf(", %lu, %ld", tcp->u_arg[1], tcp->u_arg[2]);
440	}
441	return 0;
442}
443
444int
445sys_nice(struct tcb *tcp)
446{
447	if (entering(tcp))
448		tprintf("%ld", tcp->u_arg[0]);
449	return 0;
450}
451
452#ifndef SUNOS4
453
454int
455sys_times(struct tcb *tcp)
456{
457	struct tms tbuf;
458
459	if (exiting(tcp)) {
460		if (tcp->u_arg[0] == 0)
461			tprints("NULL");
462		else if (syserror(tcp))
463			tprintf("%#lx", tcp->u_arg[0]);
464		else if (umove(tcp, tcp->u_arg[0], &tbuf) < 0)
465			tprints("{...}");
466		else {
467			tprintf("{tms_utime=%lu, tms_stime=%lu, ",
468				tbuf.tms_utime, tbuf.tms_stime);
469			tprintf("tms_cutime=%lu, tms_cstime=%lu}",
470				tbuf.tms_cutime, tbuf.tms_cstime);
471		}
472	}
473	return 0;
474}
475
476#endif /* !SUNOS4 */
477