1 cfa37a7b 2004-04-10 devnull .TH POSTNOTE 3
3 cfa37a7b 2004-04-10 devnull postnote \- send a note to a process or process group
4 cfa37a7b 2004-04-10 devnull .SH SYNOPSIS
5 cfa37a7b 2004-04-10 devnull .B #include <u.h>
7 cfa37a7b 2004-04-10 devnull .B #include <libc.h>
11 cfa37a7b 2004-04-10 devnull int postnote(int who, int pid, char *note)
13 cfa37a7b 2004-04-10 devnull .SH DESCRIPTION
14 cfa37a7b 2004-04-10 devnull .I Postnote
15 cfa37a7b 2004-04-10 devnull sends a note to a process or process group.
19 cfa37a7b 2004-04-10 devnull .BR PNPROC ,
22 cfa37a7b 2004-04-10 devnull is written to
23 cfa37a7b 2004-04-10 devnull .BI /proc/ pid /note\f1.
27 cfa37a7b 2004-04-10 devnull .BI PNGROUP ,
28 cfa37a7b 2004-04-10 devnull the note is delivered to the
29 cfa37a7b 2004-04-10 devnull process group by writing
32 cfa37a7b 2004-04-10 devnull .BI /proc/ pid /notepg\f1.
34 cfa37a7b 2004-04-10 devnull .B PNGROUP
35 cfa37a7b 2004-04-10 devnull only, if the calling process is in the target group, the note is
37 cfa37a7b 2004-04-10 devnull delivered to that process.
39 cfa37a7b 2004-04-10 devnull If the write is successful, zero is returned.
40 cfa37a7b 2004-04-10 devnull Otherwise \-1 is returned.
41 cfa37a7b 2004-04-10 devnull .SH SOURCE
42 b5fdffee 2004-04-19 devnull .B /usr/local/plan9/src/libc/9sys/postnote.c
43 cfa37a7b 2004-04-10 devnull .SH "SEE ALSO"
44 bf8a59fa 2004-04-11 devnull .IR notify (3),
45 bf8a59fa 2004-04-11 devnull .IR intro (3),
46 cfa37a7b 2004-04-10 devnull .IR proc (3)
47 cfa37a7b 2004-04-10 devnull .SH DIAGNOSTICS
49 cfa37a7b 2004-04-10 devnull .IR errstr .