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| author | Roy Marples <roy@marples.name> | 2018-02-20 09:06:38 +0000 |
|---|---|---|
| committer | Roy Marples <roy@marples.name> | 2018-02-20 09:06:38 +0000 |
| commit | d531f8b063c23d6fa62a6f0c5b5e69e849da4600 (patch) | |
| tree | d6ad830dc3e42fa5f1f270ed5e845056d02b8c02 /hooks | |
| parent | d6be59934ab8e350a6e6d897ccf8a9cd46d74847 (diff) | |
| download | dhcpcd-d531f8b063c23d6fa62a6f0c5b5e69e849da4600.tar.xz | |
hooks: document that hooks are not run within their own process
Diffstat (limited to 'hooks')
| -rw-r--r-- | hooks/dhcpcd-run-hooks.8.in | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/hooks/dhcpcd-run-hooks.8.in b/hooks/dhcpcd-run-hooks.8.in index ada5c6b3..1387b545 100644 --- a/hooks/dhcpcd-run-hooks.8.in +++ b/hooks/dhcpcd-run-hooks.8.in @@ -22,7 +22,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd November 3, 2017 +.Dd Febuary 20, 2018 .Dt DHCPCD-RUN-HOOKS 8 .Os .Sh NAME @@ -47,6 +47,19 @@ ntp or ypbind. A test hook is also supplied that simply echos the dhcp variables to the console from DISCOVER message. .Pp +The hooks scripts are loaded into the current shell rather than executed +in their own process. +This allows each hook script, such as +.Pa @SYSCONFDIR@/dhcpcd.enter-hook +to customise environment variables or provide alternative functions to hooks +further down the chain. +As such, using the shell builtins +.Ic exit , +.Ic exec +or similar will cause +.Nm +to exit at that point. +.Pp Each time .Nm is invoked, |