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-rw-r--r--shell/hush.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/shell/hush.c b/shell/hush.c
index e18920f50..125463a56 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -9038,6 +9038,9 @@ static int FAST_FUNC builtin_type(char **argv)
* - terminates shell (regardless of interactivity);
* if it has non-empty trap:
* - executes trap and returns to read;
+ * SIGCHLD from children:
+ * - does not interrupt read regardless of interactivity:
+ * try: sleep 1 & read x; echo $x
*/
static int FAST_FUNC builtin_read(char **argv)
{
@@ -9071,7 +9074,7 @@ static int FAST_FUNC builtin_read(char **argv)
if ((uintptr_t)r == 1 && errno == EINTR) {
unsigned sig = check_and_run_traps();
- if (sig && sig != SIGINT)
+ if (sig != SIGINT)
goto again;
}