As the gettid manpage [1] shows, glibc 2.30 has gettid support, so,
let's enable the test for glibc >= 2.30.
gettid works on musl too.
[1]: https://man7.org/linux/man-pages/man2/gettid.2.html
Signed-off-by: Zhangjin Wu <falcon@tinylab.org>
---
tools/testing/selftests/nolibc/nolibc-test.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
@@ -548,6 +548,7 @@ int run_syscall(int min, int max)
int tmp;
int ret = 0;
void *p1, *p2;
+ int has_gettid = 1;
/* <proc> indicates whether or not /proc is mounted */
proc = stat("/proc", &stat_buf) == 0;
@@ -555,6 +556,11 @@ int run_syscall(int min, int max)
/* this will be used to skip certain tests that can't be run unprivileged */
euid0 = geteuid() == 0;
+ /* from 2.30, glibc provides gettid() */
+#if defined(__GLIBC_MINOR__) && defined(__GLIBC__)
+ has_gettid = __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 30);
+#endif
+
for (test = min; test >= 0 && test <= max; test++) {
int llen = 0; /* line length */
@@ -564,9 +570,7 @@ int run_syscall(int min, int max)
switch (test + __LINE__ + 1) {
CASE_TEST(getpid); EXPECT_SYSNE(1, getpid(), -1); break;
CASE_TEST(getppid); EXPECT_SYSNE(1, getppid(), -1); break;
-#ifdef NOLIBC
- CASE_TEST(gettid); EXPECT_SYSNE(1, gettid(), -1); break;
-#endif
+ CASE_TEST(gettid); EXPECT_SYSNE(has_gettid, gettid(), -1); break;
CASE_TEST(getpgid_self); EXPECT_SYSNE(1, getpgid(0), -1); break;
CASE_TEST(getpgid_bad); EXPECT_SYSER(1, getpgid(-1), -1, ESRCH); break;
CASE_TEST(kill_0); EXPECT_SYSZR(1, kill(getpid(), 0)); break;