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author | Florian Weimer <fweimer@redhat.com> | 2024-04-23 21:16:32 +0200 |
---|---|---|
committer | Andreas K. Hüttel <dilfridge@gentoo.org> | 2024-04-26 17:16:06 +1100 |
commit | efc9aac02e235bd5994b52ba6417a4890ad5c1d4 (patch) | |
tree | 2a629ef448a60c382c88de65772780cff95e5512 | |
parent | iconv: ISO-2022-CN-EXT: fix out-of-bound writes when writing escape sequence ... (diff) | |
download | glibc-efc9aac02e235bd5994b52ba6417a4890ad5c1d4.tar.gz glibc-efc9aac02e235bd5994b52ba6417a4890ad5c1d4.tar.bz2 glibc-efc9aac02e235bd5994b52ba6417a4890ad5c1d4.zip |
nptl: Fix tst-cancel30 on kernels without ppoll_time64 support
Fall back to ppoll if ppoll_time64 fails with ENOSYS.
Fixes commit 370da8a121c3ba9eeb2f13da15fc0f21f4136b25 ("nptl: Fix
tst-cancel30 on sparc64").
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
(cherry picked from commit f4724843ada64a51d66f65d3199fe431f9d4c254)
(cherry picked from commit e828914cf9f2fc2caa5bced0fc6a03cb78324979)
-rw-r--r-- | sysdeps/pthread/tst-cancel30.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/sysdeps/pthread/tst-cancel30.c b/sysdeps/pthread/tst-cancel30.c index 3030660e5f..94ad6281bc 100644 --- a/sysdeps/pthread/tst-cancel30.c +++ b/sysdeps/pthread/tst-cancel30.c @@ -18,6 +18,7 @@ License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ +#include <errno.h> #include <support/check.h> #include <support/xstdio.h> #include <support/xthread.h> @@ -46,13 +47,19 @@ tf (void *arg) /* Wait indefinitely for cancellation, which only works if asynchronous cancellation is enabled. */ -#if defined SYS_ppoll || defined SYS_ppoll_time64 -# ifndef SYS_ppoll_time64 -# define SYS_ppoll_time64 SYS_ppoll +#ifdef SYS_ppoll_time64 + long int ret = syscall (SYS_ppoll_time64, NULL, 0, NULL, NULL); + (void) ret; +# ifdef SYS_ppoll + if (ret == -1 && errno == ENOSYS) + syscall (SYS_ppoll, NULL, 0, NULL, NULL); # endif - syscall (SYS_ppoll_time64, NULL, 0, NULL, NULL); #else +# ifdef SYS_ppoll + syscall (SYS_ppoll, NULL, 0, NULL, NULL); +# else for (;;); +# endif #endif return 0; |