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ucm: handle better the system() call

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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2021-04-13 09:52:35 +02:00
parent 8f5779eb3f
commit 7e4390137a
1 changed files with 11 additions and 1 deletions
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12
src/ucm/main.c
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@ -713,8 +713,18 @@ static int execute_sequence(snd_use_case_mgr_t *uc_mgr,
break;
case SEQUENCE_ELEMENT_TYPE_EXEC:
err = system(s->data.exec);
if (err < 0)
if (WIFSIGNALED(err)) {
err = -EINTR;
} if (WIFEXITED(err)) {
if (WEXITSTATUS(err) != 0) {
uc_error("command '%s' failed (exit code %d)", s->data.exec, WEXITSTATUS(err));
err = -EINVAL;
goto __fail;
}
} else if (err < 0) {
err = -errno;
goto __fail;
}
break;
case SEQUENCE_ELEMENT_TYPE_CMPT_SEQ:
/* Execute enable or disable sequence of a component