diff options
Diffstat (limited to 'misc/tst-select.c')
| -rw-r--r-- | misc/tst-select.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/misc/tst-select.c b/misc/tst-select.c index 5ad057cd51..534105b500 100644 --- a/misc/tst-select.c +++ b/misc/tst-select.c @@ -19,6 +19,7 @@ #include <errno.h> #include <support/capture_subprocess.h> #include <support/check.h> +#include <support/support.h> #include <support/timespec.h> #include <support/xunistd.h> #include <support/xtime.h> @@ -47,6 +48,12 @@ do_test_child (void *clousure) int r = select (args->fds[0][0] + 1, &rfds, NULL, NULL, &args->tmo); TEST_COMPARE (r, 0); + if (support_select_modifies_timeout ()) + { + TEST_COMPARE (args->tmo.tv_sec, 0); + TEST_COMPARE (args->tmo.tv_usec, 0); + } + TEST_TIMESPEC_NOW_OR_AFTER (CLOCK_REALTIME, ts); xwrite (args->fds[1][1], "foo", 3); @@ -69,6 +76,16 @@ do_test (void) sc_allow_none); } + if (support_select_normalizes_timeout ()) + { + /* This is handled as 1 second instead of failing with EINVAL. */ + args.tmo = (struct timeval) { .tv_sec = 0, .tv_usec = 1000000 }; + struct support_capture_subprocess result; + result = support_capture_subprocess (do_test_child, &args); + support_capture_subprocess_check (&result, "tst-select-child", 0, + sc_allow_none); + } + /* Same as before, but simulating polling. */ args.tmo = (struct timeval) { .tv_sec = 0, .tv_usec = 0 }; { |