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| author | Denis Vlasenko | 2007-04-21 10:01:14 +0000 |
|---|---|---|
| committer | Denis Vlasenko | 2007-04-21 10:01:14 +0000 |
| commit | 2f1bb36a557f4ce8e1f5abd177c34dadbc0fb534 (patch) | |
| tree | 78c0e51c28c953f3493ae4cdb59928f14904dac6 /shell/README | |
| parent | 87cb2db7039d4f26a9290f4149e9774c4afe4a37 (diff) | |
| download | busybox-2f1bb36a557f4ce8e1f5abd177c34dadbc0fb534.zip busybox-2f1bb36a557f4ce8e1f5abd177c34dadbc0fb534.tar.gz | |
hush: explain why "pipe; exit $?" doesn't show correct exitcode
Diffstat (limited to 'shell/README')
| -rw-r--r-- | shell/README | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/shell/README b/shell/README index 32ad673..bcd84dc 100644 --- a/shell/README +++ b/shell/README @@ -1,5 +1,10 @@ Various bits of what is known about busybox shells, in no particular order. +2007-04-22 +hush: "sleep 1 | exit 3; echo $?" prints 0 because $? is substituted +_before_ pipe gets executed!! run_list_real() already has "pipe;echo" +parsed and handed to it for execution, so it sees "pipe"; "echo 0". + 2007-04-21 hush: removed setsid() and made job control sort-of-sometimes-work. Ctrl-C in "rm -i" works now except for SH_STANDALONE case. |