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Diffstat (limited to 'Test/C03traps.ztst')
| -rw-r--r-- | Test/C03traps.ztst | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Test/C03traps.ztst b/Test/C03traps.ztst index 81ef38a30..26ba73da5 100644 --- a/Test/C03traps.ztst +++ b/Test/C03traps.ztst @@ -196,3 +196,19 @@ f functions TRAPWINCH 1:Unsetting ordinary traps with localtraps. + +# +# Returns from within traps are a perennial problem. +# The following two apply to returns in and around standard +# ksh-style traps. The intention is that a return value from +# within the function is preserved (i.e. statuses set by the trap +# are ignored) unless the trap explicitly executes `return', which makes +# it return from the enclosing function. +# + fn() { trap 'true' EXIT; return 1; } + fn +1: ksh-style EXIT traps preserve return value + + inner() { trap 'return 3' EXIT; return 2: } + outer() { inner; return 1; } +3: ksh-style EXIT traps can force return status of enclosing function |