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selftests/nolibc: gettid: restore for glibc and musl

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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

Reviewed-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Zhangjin Wu <falcon@tinylab.org>
Signed-off-by: Willy Tarreau <w@1wt.eu>
This commit is contained in:
Zhangjin Wu 2023-07-08 02:25:11 +08:00 committed by Willy Tarreau
parent 46cf630c53
commit 79b4f68e9e
1 changed files with 7 additions and 3 deletions
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10
tools/testing/selftests/nolibc/nolibc-test.c
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@ -668,6 +668,7 @@ 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;
@ -675,6 +676,11 @@ 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 */
@ -684,9 +690,7 @@ 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;