From da69cfb17b2afbb8692b74eefb844f85febb6674 Mon Sep 17 00:00:00 2001 From: Thomas Weißschuh Date: Mon, 28 Apr 2025 14:40:11 +0200 Subject: tools/nolibc: add timerfd functionality MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This is used in various selftests and will be handy when integrating those with nolibc. Signed-off-by: Thomas Weißschuh Acked-by: Willy Tarreau Link: https://lore.kernel.org/r/20250428-nolibc-misc-v2-10-3c043eeab06c@linutronix.de Signed-off-by: Thomas Weißschuh --- tools/testing/selftests/nolibc/nolibc-test.c | 48 ++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) (limited to 'tools/testing') diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c index 7530b442941f..d73125c41096 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -27,6 +27,7 @@ #include #include #include +#include #include #include #include @@ -955,6 +956,52 @@ err: return ret; } +int test_timerfd(void) +{ + struct itimerspec timerspec; + int timer, ret; + + timer = timerfd_create(CLOCK_MONOTONIC, 0); + if (timer == -1) + return -1; + + timerspec = (struct itimerspec) { + .it_value.tv_sec = 1000000, + }; + ret = timerfd_settime(timer, 0, &timerspec, NULL); + if (ret) + goto err; + + timerspec = (struct itimerspec) { + .it_value.tv_sec = -1, + .it_value.tv_nsec = -1, + .it_interval.tv_sec = -1, + .it_interval.tv_nsec = -1, + }; + ret = timerfd_gettime(timer, &timerspec); + if (ret) + goto err; + + errno = EINVAL; + ret = -1; + + if (timerspec.it_interval.tv_sec || timerspec.it_interval.tv_nsec) + goto err; + + if (timerspec.it_value.tv_sec > 1000000) + goto err; + + ret = close(timer); + if (ret) + return ret; + + return 0; + +err: + close(timer); + return ret; +} + int test_uname(void) { struct utsname buf; @@ -1237,6 +1284,7 @@ int run_syscall(int min, int max) CASE_TEST(stat_timestamps); EXPECT_SYSZR(1, test_stat_timestamps()); break; CASE_TEST(symlink_root); EXPECT_SYSER(1, symlink("/", "/"), -1, EEXIST); break; CASE_TEST(timer); EXPECT_SYSZR(1, test_timer()); break; + CASE_TEST(timerfd); EXPECT_SYSZR(1, test_timerfd()); break; CASE_TEST(uname); EXPECT_SYSZR(proc, test_uname()); break; CASE_TEST(uname_fault); EXPECT_SYSER(1, uname(NULL), -1, EFAULT); break; CASE_TEST(unlink_root); EXPECT_SYSER(1, unlink("/"), -1, EISDIR); break; -- cgit v1.2.3