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| author | Denys Vlasenko | 2009-09-24 03:09:26 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2009-09-24 03:09:26 +0200 |
| commit | 0800e3af75461c6322427dab53d3526066453b04 (patch) | |
| tree | 35e36872f94901b85b6635d515302e0199800e64 /shell | |
| parent | 718854025735db26a0dda9e6acfe785d2004b3bc (diff) | |
| download | busybox-0800e3af75461c6322427dab53d3526066453b04.zip busybox-0800e3af75461c6322427dab53d3526066453b04.tar.gz | |
ash: do not let EXIT trap to fire in `trap`
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell')
| -rw-r--r-- | shell/ash.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/shell/ash.c b/shell/ash.c index 597bc28..47f968b 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -4525,7 +4525,7 @@ clear_traps(void) INT_OFF; free(*tp); *tp = NULL; - if (tp != &trap[0]) + if ((tp - trap) != 0) setsignal(tp - trap); INT_ON; } @@ -4596,6 +4596,8 @@ forkchild(struct job *jp, union node *n, int mode) * * Our solution: ONLY bare $(trap) or `trap` is special. */ + free(trap[0]); /* Prevent EXIT trap from firing in `trap` */ + trap[0] = NULL; } else { clear_traps(); } @@ -13023,6 +13025,7 @@ exitshell(void) if (p) { trap[0] = NULL; evalstring(p, 0); + free(p); } flush_stdout_stderr(); out: |