diff options
Diffstat (limited to 'archival/libarchive/open_transformer.c')
| -rw-r--r-- | archival/libarchive/open_transformer.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/archival/libarchive/open_transformer.c b/archival/libarchive/open_transformer.c index 693ae9995..dae04aa57 100644 --- a/archival/libarchive/open_transformer.c +++ b/archival/libarchive/open_transformer.c @@ -27,6 +27,32 @@ int FAST_FUNC check_signature16(transformer_aux_data_t *aux, int src_fd, unsigne return 0; } +void check_errors_in_children(int signo) +{ + int status; + + if (!signo) { + /* block waiting for any child */ + if (wait(&status) < 0) + return; /* probably there are no children */ + goto check_status; + } + + /* Wait for any child without blocking */ + for (;;) { + if (wait_any_nohang(&status) < 0) + /* wait failed?! I'm confused... */ + return; + check_status: + if (WIFEXITED(status) && WEXITSTATUS(status) == 0) + /* this child exited with 0 */ + continue; + /* Cannot happen? + if (!WIFSIGNALED(status) && !WIFEXITED(status)) ???; */ + bb_got_signal = 1; + } +} + /* transformer(), more than meets the eye */ #if BB_MMU void FAST_FUNC open_transformer(int fd, |