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| author | Denys Vlasenko | 2017-01-26 01:13:58 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2017-01-26 01:13:58 +0100 |
| commit | 9967c9949e0436879354e76c2847d697c309984c (patch) | |
| tree | dcd6b3707305ef43f496a6058da45c89460fda4e /docs/nofork_noexec.txt | |
| parent | 06f20bf675cdd415c2f796ebea9fc55030ef49cc (diff) | |
| download | busybox-9967c9949e0436879354e76c2847d697c309984c.zip busybox-9967c9949e0436879354e76c2847d697c309984c.tar.gz | |
libbb: spawn_and_wait() fflushes before forking NOEXEC; child reinits logmode
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'docs/nofork_noexec.txt')
| -rw-r--r-- | docs/nofork_noexec.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/docs/nofork_noexec.txt b/docs/nofork_noexec.txt index 2fb184a..a24dd9c 100644 --- a/docs/nofork_noexec.txt +++ b/docs/nofork_noexec.txt @@ -99,6 +99,13 @@ applet_name. Thus, for example, caller does not need to worry about option_mask32 getting trashed. + Calling NOEXEC applets + +It's the same trusty spawn_and_wait(argv). If FEATURE_PREFER_APPLETS=y, +it does NOEXEC trick. It resets xfunc_error_retval = 1 and +logmode = LOGMODE_STDIO in the child. + + Relevant CONFIG options FEATURE_PREFER_APPLETS |