diff options
| author | Denys Vlasenko <vda.linux@googlemail.com> | 2023-04-06 22:20:28 +0300 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2023-04-06 22:20:28 +0300 |
| commit | a26711a2d1464167be4ebc990fe21a3809a2da34 (patch) | |
| tree | c48559fea73287479418e5f10d38157f5377cae4 /libbb | |
| parent | 05f2bedaebd694605abd1f199fc25d93ad73840b (diff) | |
libbb: consolidate NOMMU fix of restoring high bit in argv[0][0]
function old new delta
fork_or_rexec 46 56 +10
bootchartd_main 1087 1079 -8
cpio_main 674 661 -13
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/2 up/down: 10/-21) Total: -11 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb')
| -rw-r--r-- | libbb/vfork_daemon_rexec.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/libbb/vfork_daemon_rexec.c b/libbb/vfork_daemon_rexec.c index 79141936a..a570ddbf2 100644 --- a/libbb/vfork_daemon_rexec.c +++ b/libbb/vfork_daemon_rexec.c @@ -268,10 +268,12 @@ pid_t FAST_FUNC fork_or_rexec(char **argv) /* fflush_all(); ? - so far all callers had no buffered output to flush */ pid = xvfork(); - if (pid) /* parent */ - return pid; - /* child - re-exec ourself */ - re_exec(argv); + if (pid == 0) /* child - re-exec ourself */ + re_exec(argv); /* NORETURN */ + + /* parent */ + argv[0][0] &= 0x7f; /* undo re_rexec() damage */ + return pid; } #endif |