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40 Commits

Author SHA1 Message Date
Jilles Tjoelker
c6ef00e390 sleep: Explain in a comment why the [EINTR] check is there. 
Suggested by:	eadler
 2013-06-05 20:15:18 +00:00
Jilles Tjoelker
c2cfcb6063 sleep: Improve nanosleep() error handling: 
* Work around kernel bugs that cause a spurious [EINTR] return if a
   debugger (such as truss(1)) is attached.

 * Write an error message if an error other than [EINTR] occurs.

PR:		bin/178664
 2013-05-28 22:07:31 +00:00
Konstantin Belousov
67a54762a1 Document the new argument parser for sleep(1) and SIGINFO behaviour. 
Remove higlight for the unportability notice.

MFC after:	3 weeks
 2010-08-02 10:59:23 +00:00
Konstantin Belousov
f6e6dc63ab Simplify argument parser by using sscanf(); simplify usage() by not 
refusing to use stdio.
Reduce nesting level in the sleep loop by returning earlier for negative
timeouts.
Limit the maximum timeout to INT_MAX seconds.

Submitted by:	bde
MFC after:	3 weeks
 2010-08-02 10:57:56 +00:00
Konstantin Belousov
bc9bbbe02c Deal with proper format for printing time_t. 
Reported by:	ache
MFC after:	3 weeks
 2010-07-31 17:41:58 +00:00
Konstantin Belousov
13d8eedae7 Report the time left for the sleep on SIGINFO. 
Be stricter in the checking of interval specification.

PR:	bin/139345
MFC after:	3 weeks
 2010-07-31 14:30:11 +00:00
Stefan Farfeleder
5d3e07d4ac Fix a comment. 
Submitted by:	Liam J. Foy
 2005-08-07 09:11:38 +00:00
Ruslan Ermilov
6fca4c7c3f Add the new standard EXIT STATUS section where appropriate. 
Sort standard sections in the (documented) preferred order.
 2005-01-16 16:41:59 +00:00
Warner Losh
9ddb49cbe4 /*- or .\"- or #- to begin license clauses. 2005-01-10 08:39:26 +00:00
Mark Murray
6195fb4102 Remove clause 3 from the UCB licenses. 
OK'ed by:	imp, core
 2004-04-06 20:06:54 +00:00
Mark Murray
fcfa4c9589 Fix warnings. This is now WARNS=9, std=c99 clean in i386. 
Use return(0) for main() instead of exit(0). Makes it a
wee bit smaller.
 2003-05-03 10:14:26 +00:00
David E. O'Brien
09a80d4867 Quiet warnings about copyright[]. 2003-05-01 16:58:57 +00:00
Nate Lawson
e9a4552b14 Minimal take on previous commit -- remove getopt and printf. Static size 
is reduced by 40k, dynamic by a few bytes.
Functional changes:
* "sleep -- arg" now returns usage() instead of ignoring the --
* "sleep -1" now returns immediately instead of returning usage()

Reviewed by:	jmallett
 2002-11-14 01:14:35 +00:00
Nate Lawson
e021938408 Back out previous commit since there is controversy about changing so much 
in sleep including duping strtol(3).  Code changes also increased
dynamic size of sleep(1).
 2002-11-14 00:20:58 +00:00
Nate Lawson
174005b7f0 Remove getopt and strtol dependencies, reducing size of static exe. 
Preserve older desired behavior, accept [+-]*[0-9]*\.[0-9]*
Remove a few unnecessary casts.

%ls -l /bin/sleep
-r-xr-xr-x  1 root  wheel  61332 Oct 28 05:16 /bin/sleep
%ls -l /usr/obj/usr/src/bin/sleep/sleep
-rwxr-xr-x  1 root  wheel  19124 Nov 13 12:12 /usr/obj/usr/src/bin/sleep/sleep

Submitted by:	Tim Kientzle <kientzle@acm.org>
 2002-11-13 20:12:26 +00:00
David E. O'Brien
2749b14129 Consistently use FBSDID 2002-06-30 05:15:05 +00:00
Tim J. Robbins
43d088bea2 Sort sections, use Ex macro in Diagnostics section, point out that the first 
example only works with csh(1).
 2002-06-10 09:33:15 +00:00
Tim J. Robbins
91c0081804 Add History section. sleep appeared in v4. 2002-06-10 09:07:22 +00:00
Warner Losh
5134c3f799 o __P has been reoved 
o Old-style K&R declarations have been converted to new C89 style
o register has been removed
o prototype for main() has been removed (gcc3 makes it an error)
o int main(int argc, char *argv[]) is the preferred main definition.
o Attempt to not break style(9) conformance for declarations more than
  they already are.
o Change
	int
	foo() {
	...
  to
	int
	foo(void)
	{
	...
 2002-02-02 06:50:57 +00:00
David E. O'Brien
a748290789 Default to WARNS=2. Binary builds that cannot handle this must explicitly 
set WARNS=0.

Reviewed by:	mike
 2001-12-04 01:57:47 +00:00
Ruslan Ermilov
c4d9468ea0 mdoc(7) police: 
Avoid using parenthesis enclosure macros (.Pq and .Po/.Pc) with plain text.
Not only this slows down the mdoc(7) processing significantly, but it also
has an undesired (in this case) effect of disabling hyphenation within the
entire enclosed block.
 2001-08-07 15:48:51 +00:00
Dima Dorfman
982f5d88ff WARNS= -> WARNS?= 
Submitted by:	Mike Barcroft <mike@q9media.com>
 2001-06-22 21:38:30 +00:00
Kris Kennaway
0a26b6bbc0 Silence WARNS=2 and BDECFLAGS on alpha and i386 
MFC After:	1 week
 2001-05-20 05:13:21 +00:00
Ruslan Ermilov
12e720d78b Prepare for mdoc(7)NG. 2000-12-15 17:37:31 +00:00
Sheldon Hearn
4e86fcacf6 Remove more single-space hard sentence breaks. 2000-03-02 14:54:02 +00:00
Ruslan Ermilov
22307be5c9 Restore reference to sleep(3). 1999-10-28 17:41:33 +00:00
Ruslan Ermilov
ac14c3115f Let sleep(1) handle fractions of a second (up to nanosecond). 
This is a conservative change.  It does the same thing in weird
cases like the old one.  For example, 'sleep abcd' still sleeps
for zero seconds.  `sleep 10.a' and `sleep 10.05aa' do the best
and not abort (ie: 10.a == 10 seconds, 10.05a == 10.05 seconds).
 1999-10-01 07:53:40 +00:00
Peter Wemm
2a4562393f $Id$ -> $FreeBSD$ 1999-08-27 23:15:48 +00:00
Ruslan Ermilov
64373ec6f7 Describe proper signals behavior rather than just removing it. 
Remove obsoleted reference to alarm(3).

Submitted by:	bde
 1999-08-16 12:36:45 +00:00
Ruslan Ermilov
2028697c9a There is no special handling for SIGALRM as 
sleep(3) is implemented using nanosleep(2).
 1999-08-09 17:31:30 +00:00
Kris Kennaway
46be34b902 Various spelling/formatting changes. 
Submitted by: Philippe Charnier <charnier@xp11.frmug.org>
 1999-05-08 10:22:15 +00:00
Philippe Charnier
9ba8bd6557 Correct use of .Nm. Add rcsid. 1998-05-18 06:51:59 +00:00
Andrey A. Chernov
a264029085 Describe signals behaviour now 1997-08-12 21:20:12 +00:00
Warner Losh
93ef08af3e compare return value from getopt against -1 rather than EOF, per the final 
posix standard on the topic.
 1997-03-28 15:24:41 +00:00
Peter Wemm
b97fa2ef50 Revert $FreeBSD$ to $Id$ 1997-02-22 14:13:04 +00:00
Jordan K. Hubbard
1130b656e5 Make the long-awaited change from $Id$ to $FreeBSD$ 
This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.

Boy, I'm glad we're not using sup anymore.  This update would have been
insane otherwise.
 1997-01-14 07:20:47 +00:00
Wolfram Schneider
af20215665 Sort cross references. 1997-01-13 00:25:51 +00:00
Steve Price
db5b8caf54 Cleanup man page and -Wall cleaning. 1996-12-14 06:14:32 +00:00
David Greenman
89730b290a Added $Id$ 1994-09-24 02:59:15 +00:00
Rodney W. Grimes
4b88c807ea BSD 4.4 Lite bin Sources 1994-05-26 06:18:55 +00:00