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authorache <ache@FreeBSD.org>1997-10-22 12:04:49 +0000
committerache <ache@FreeBSD.org>1997-10-22 12:04:49 +0000
commit2e52ab6886d96936860712ad9d351e77059bd495 (patch)
tree7d54b1724979c5cf997974d4f552c02c1d6765cc /lib/libc/gen
parent3cb44cbe93023ab3aaa8f60947d59c2bf33865c5 (diff)
downloadFreeBSD-src-2e52ab6886d96936860712ad9d351e77059bd495.zip
FreeBSD-src-2e52ab6886d96936860712ad9d351e77059bd495.tar.gz
Back out part of OpenGroup specs about limiting max arg since it may break
compatibility.
Diffstat (limited to 'lib/libc/gen')
-rw-r--r--lib/libc/gen/usleep.310
-rw-r--r--lib/libc/gen/usleep.c11
2 files changed, 4 insertions, 17 deletions
diff --git a/lib/libc/gen/usleep.3 b/lib/libc/gen/usleep.3
index 0b03a7c..a56c56b 100644
--- a/lib/libc/gen/usleep.3
+++ b/lib/libc/gen/usleep.3
@@ -52,10 +52,6 @@ of time.
System activity or time spent in processing the
call may lengthen the sleep slightly.
.Pp
-The
-.Fa microseconds
-argument must be less than 1000000.
-.Pp
If a timer is already running on the process its state is unaltered by
this
.Fn usleep
@@ -83,13 +79,9 @@ The
.Fn usleep
function
will fail if:
-.Bl -tag -width [EINVAL]
+.Bl -tag -width [EINTR]
.It Bq Er EINTR
Some signal occurse.
-.It Bq Er EINVAL
-The
-.Fa microseconds
-argument specified 1000000 or more microseconds.
.Sh NOTES
.Pp
A microsecond is 0.000001 seconds.
diff --git a/lib/libc/gen/usleep.c b/lib/libc/gen/usleep.c
index 03df495..d2d4f1e 100644
--- a/lib/libc/gen/usleep.c
+++ b/lib/libc/gen/usleep.c
@@ -36,10 +36,9 @@
static char sccsid[] = "@(#)usleep.c 8.1 (Berkeley) 6/4/93";
#endif
static char rcsid[] =
- "$Id: usleep.c,v 1.19 1997/10/17 09:40:08 ache Exp $";
+ "$Id: usleep.c,v 1.20 1997/10/22 10:55:49 ache Exp $";
#endif /* LIBC_SCCS and not lint */
-#include <errno.h>
#include <time.h>
#include <unistd.h>
@@ -49,13 +48,9 @@ usleep(useconds)
{
struct timespec time_to_sleep;
- if (useconds >= 1000000) {
- errno = EINVAL;
- return -1;
- }
if (useconds) {
- time_to_sleep.tv_nsec = useconds * 1000;
- time_to_sleep.tv_sec = 0;
+ time_to_sleep.tv_nsec = (useconds % 1000000) * 1000;
+ time_to_sleep.tv_sec = useconds / 1000000;
return nanosleep(&time_to_sleep, NULL);
}
return 0;
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