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isobusfs: treat interactive exit as control flow, not error 

Stop using -EINTR for cmd_exit(). Introduce ISOBUSFS_CLI_RET_EXIT and
map it to exit code 0 in main(), keeping errno values for real errors.

Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
pull/615/head
Oleksij Rempel 2026-01-06 11:19:50 +01:00
parent 4feccd5889
commit cdc00bacf0
3 changed files with 9 additions and 2 deletions
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4
isobusfs/isobusfs_cli.c
View File

@ -671,6 +671,10 @@ int main(int argc, char *argv[])
while (1) {
ret = isobusfs_cli_process_events_and_tasks(priv);
if (ret == ISOBUSFS_CLI_RET_EXIT) {
ret = 0;
break;
}
if (ret)
break;
}

3
isobusfs/isobusfs_cli.h
View File

@ -13,6 +13,9 @@
#define ISOBUSFS_CLI_MAX_EPOLL_EVENTS 10
#define ISOBUSFS_CLI_DEFAULT_WAIT_TIMEOUT_MS 1000 /* ms */
/* internel return codes, not errno values */
#define ISOBUSFS_CLI_RET_EXIT 1
enum isobusfs_cli_state {
ISOBUSFS_CLI_STATE_CONNECTING,
ISOBUSFS_CLI_STATE_IDLE,

4
isobusfs/isobusfs_cli_int.c
View File

@ -66,8 +66,8 @@ static int cmd_help(struct isobusfs_priv *priv, const char *options)
static int cmd_exit(struct isobusfs_priv *priv, const char *options)
{
pr_int("exit interactive mode\n");
/* Return -EINTR to indicate the program should exit */
return -EINTR;
return ISOBUSFS_CLI_RET_EXIT;
}
static int cmd_dmesg(struct isobusfs_priv *priv, const char *options)