Subject: Re: wrap up of pipe(2)
To: der Mouse <mouse@Rodents.Montreal.QC.CA>
From: Jaromír <email@example.com>
Date: 10/10/2001 19:06:28
der Mouse wrote:
> If you remove EFAULT because the pages are supposed to be exactly and
> only what NetBSD does, there are a lot of other things that should be
> cleaned up too - for example, memcpy() should be documented identically
> to bcopy(), with the current BUGS section removed.
That is going too far ;-) My aim is to have _accurate_ manpages. Our
manpages should not claim something behaves some way when it doesn't.
This is the change I'm going to commit:
RCS file: /cvsroot/basesrc/lib/libc/sys/pipe.2,v
retrieving revision 1.14
diff -u -p -r1.14 pipe.2
--- sys/pipe.2 2001/10/02 02:55:41 1.14
+++ sys/pipe.2 2001/10/10 17:04:58
@@ -97,13 +97,6 @@ call will fail if:
Too many descriptors are active.
.It Bq Er ENFILE
The system file table is full.
-.It Bq Er EFAULT
-buffer is in an invalid area of the process's address space.
-The reliable detection of this error cannot be guaranteed and when not
-detected may result in the generation of a signal, indicating an
-address violation, which is sent to the process.
.Sh SEE ALSO
.Xr sh 1 ,
@@ -121,3 +114,11 @@ A
function call appeared in
.At v6 .
+buffer is in invalid area of the process's address space, process
+receives signal indicating an address violation. On some other systems,
+the call might just return with error
+.Bq Er EFAULT
+in this case.
Jaromir Dolecek <jdolecek@NetBSD.org> http://www.ics.muni.cz/~dolecek/
NetBSD - just plain best OS! -=*=- Got spare MCA cards or docs? Hand me them!