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[BZ #626] 

2004-12-29  Roland McGrath  <roland@redhat.com>
	[BZ #626]
	* sysdeps/unix/alarm.c (alarm): Round return value to nearest rather
	than always up; when nearest is zero, round up to one.
This commit is contained in:
Roland McGrath 2004-12-29 09:17:26 +00:00
parent 6bddccf250
commit 9410140c5e
1 changed files with 5 additions and 2 deletions
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7
sysdeps/unix/alarm.c
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@ -1,4 +1,4 @@
/* Copyright (C) 1991,92,94,97,2002 Free Software Foundation, Inc. /* Copyright (C) 1991,1992,1994,1997,2002,2004 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@ -41,7 +41,10 @@ alarm (seconds)
return 0; return 0;
retval = old.it_value.tv_sec; retval = old.it_value.tv_sec;
if (old.it_value.tv_usec) /* Round to the nearest second, but never report zero seconds when
the alarm is still set. */
if (old.it_value.tv_usec >= 500000
|| (retval == 0 && old.it_value.tv_usec > 0))
++retval; ++retval;
return retval; return retval;
} }