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| author | Gerrit Pape <pape@smarden.org> | 2001-12-30 10:38:12 +0000 |
|---|---|---|
| committer | Gerrit Pape <pape@smarden.org> | 2001-12-30 10:38:12 +0000 |
| commit | 713e127fd5bfcdfaabc3dd3c34319fe1778df66c (patch) | |
| tree | 304a97533480f8311028aca12d75d2f83c7e34e6 /man | |
| parent | 0768bbac2fe0229d2a42a39953100c10a73a4f1d (diff) | |
| download | runit-713e127fd5bfcdfaabc3dd3c34319fe1778df66c.tar.gz runit-713e127fd5bfcdfaabc3dd3c34319fe1778df66c.tar.xz runit-713e127fd5bfcdfaabc3dd3c34319fe1778df66c.zip | |
svwaitup: race condition documented.
deb: svwait*.8 installed.
Diffstat (limited to 'man')
| -rw-r--r-- | man/svwaitup.8 | 34 |
1 files changed, 28 insertions, 6 deletions
diff --git a/man/svwaitup.8 b/man/svwaitup.8 index dea7691..7004f94 100644 --- a/man/svwaitup.8 +++ b/man/svwaitup.8 @@ -26,17 +26,22 @@ given at the command line must be controlled by .BR supervise (8). .P .B svwaitup -blocks until all services are running the requested number of seconds or -reports errors. +blocks until all +.I services +were up and running at least +.I sec +seconds when +.B svwautup +was checking or reports errors. .SH OPTIONS .TP .B \-v verbose. Print verbose messages to stderr. .TP .B \-s \fIsec -Set the number of seconds the -.I services -have to be up to +Set the minimum number of seconds each +.I service +has to be up to .I sec seconds. .I sec @@ -45,10 +50,27 @@ must be between 2 and 600. Default is 2. .B svwaitup returns 0 as soon as all .I services -are at least +were at least .I sec seconds up. .P +.BR Note : +If +.B svwaitup +exits 0, it does not guarantee that all +.I services +are actually running. A +.I service +could have crashed immediatly after +.B svwaitup +was successfully checking it to be up +.I sec +seconds. +.I services +should be designed not to rely on +.B svwaitup +to resolve dependencies. +.P For each .I service that is down and not requested to become up, or that causes an error while |