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16 Commits

Author SHA1 Message Date
Pedro F. Giffuni
5e53a4f90f lib: further adoption of SPDX licensing ID tags. 
Mainly focus on files that use BSD 2-Clause license, however the tool I
was using mis-identified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.
 2017-11-26 02:00:33 +00:00
Mariusz Zaborski
73979478cc Introduce the flopenat(3) function. 
Reviewed by:	des, emaste
Differential Revision:	https://reviews.freebsd.org/D11690
 2017-08-04 14:24:24 +00:00
Conrad Meyer
33d19692e8 Remove a death threat from the FreeBSD sources 
Reported by:	koobs@, araujo@, linimon@, bjk@, emaste@, jhb@, ngie@, cem@
Maintainer timeout:	des@
 2016-12-01 02:21:36 +00:00
Dag-Erling Smørgrav
4e2825545b Add a warning against modifying this code without understanding it, and 
an example of how not to make it more portable.  I've had this lying
around uncommitted since 2009...
 2016-11-24 14:50:21 +00:00
Dag-Erling Smørgrav
5649afd028 Revert (once again, and hopefully for the last time) to flock(2) locks. 
The problem with fcntl(2) locks is that they are not inherited by child
processes.  This breaks pidfile(3), where the common idiom is to open
and lock the PID file before daemonizing.
 2009-06-06 18:47:03 +00:00
Dag-Erling Smørgrav
0e25c55a95 Diff reduction against Varnish, including one important fix: use a shared 
lock if the file is opened with O_RDONLY.
 2008-10-20 18:11:30 +00:00
Dag-Erling Smørgrav
80de06ed6b Reimplement flopen(3) using fcntl(2) locks instead of flock(2) locks. 2008-10-20 18:02:16 +00:00
Dag-Erling Smørgrav
062044ebbe Back out previous commit until I figure out why my regression test fails. 
Approved by:	re (kensmith)
 2007-08-03 09:20:28 +00:00
Dag-Erling Smørgrav
7eb198c642 Use fcntl(2)-style locks instead of less-portable flock(2)-style locks. 
Approved by:	re (kensmith)
 2007-08-03 06:32:45 +00:00
Dag-Erling Smørgrav
4b5b992bba Nit: avoid shadowing truncate(2) with a local variable. 2007-05-23 12:09:33 +00:00
Dag-Erling Smørgrav
400f772943 Fix stupid braino in previous commit. 2007-05-23 10:06:03 +00:00
Dag-Erling Smørgrav
d75d56060e If (flags & O_TRUNC), don't truncate the file until we've successfully 
locked it.

MFC after:	3 weeks
 2007-05-23 08:12:34 +00:00
Dag-Erling Smørgrav
8f9085389f Well gag me with a spoon... I'm so used to working at high WARNS levels 
that I make stupid fundamental mistakes like this when I don't.
 2007-05-10 15:01:42 +00:00
Dag-Erling Smørgrav
b252bedcc9 Remove superfluous unexpanded RCS tag. 2007-05-10 14:56:07 +00:00
Dag-Erling Smørgrav
3dea593400 DTRT when O_NONBLOCK is specified. 
MFC after:	3 weeks
 2007-05-10 14:52:57 +00:00
Dag-Erling Smørgrav
9667055264 I'm tired of seeing this done incorrectly and non-portably, so add a 
flopen(3) function which reliably opens and locks a file.

MFC after:	3 weeks
 2007-05-10 14:43:31 +00:00