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| author | Fred Wright <fw@fwright.net> | 2017-03-24 17:45:18 -0700 |
|---|---|---|
| committer | Fred Wright <fw@fwright.net> | 2017-03-24 18:25:00 -0700 |
| commit | 1f209455dd2e850b164a3f7985ad845e88efef57 (patch) | |
| tree | b21312d77041359dd4c4a06cf4b3848f9f96e6ff /shmexport.c | |
| parent | 4ee196cd9c34f7a268118d4088392e392546fe42 (diff) | |
| download | gpsd-1f209455dd2e850b164a3f7985ad845e88efef57.tar.gz | |
Makes 'GPSD' SHM IDs unique during regression tests.
Prior to this change, multiple gpsd instances would normally share a
single SHM segment, confusing anyone using it. This was a problem
either when running parallel regression tests, or even when running a
single test with a system gpsd also running. Now, each gpsd instance
launched by fake.py gets a SHM ID of the form 0x4770xxxx, where xxxx
is the TCP or UDP port number. The high-order part is 0x4770 ('Gp')
instead of 0x4750 ('GP') to ensure that it doesn't collide with the
standard 'GPSD'.
This does not do anything about 'NTPx' SHM segments.
TESTED:
Ran "scons -j24 check", and observed many 'Gpxx' SHM segments with
ipcs, all disappearing by the end of testing.
Diffstat (limited to 'shmexport.c')
0 files changed, 0 insertions, 0 deletions