src/lib/libutil/pidfile.3, branch release/7.0.0_cvs

This commit was manufactured by cvs2svn to create tag

2008-02-24T05:45:17+00:00

'RELENG_7_0_0_RELEASE'.

This commit was manufactured to restore the state of the 7.0-RELEASE image.

MFC rev. 1.6, 1.7 of src/lib/libutil/pidfile.3,

2007-10-15T10:49:05+00:00

rev. 1.8 of src/lib/libutil/pidfile.c:

When pidfile is already locked and has zero length, do not return
success and zero pid from pidfile_read(). Return EAGAIN instead. Sleep
up to three times for 5 ms while waiting for pidfile to be written.

Approved by:	re (kensmith)

Use `intmax_t' instead of plain `int' for pid_t casts.

2006-03-04T15:20:28+00:00

Useful tips from:	ru, bde
Approved by:		pjd
MFC after:		3 days

- Add a note that passing NULL to pidfile_write(), pidfile_remove() and

2006-01-28T14:13:15+00:00

  pidfile_close() functions is safe. This possibility is used in example code.
- Cast pid_t to int.

Requested by:	yar

Fix markup, grammar and spelling.

2005-11-18T14:21:28+00:00

Pidfiles should be created with permission preventing users from opening

2005-09-16T11:24:28+00:00

them for reading. When user can open file for reading, he can also
flock(2) it, which can lead to confusions.

Pointed out by:	green

Add a family of functions for reliable pidfiles handling.

2005-08-24T17:21:38+00:00

Idea from:	jmg
Discussed on:	arch@