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glibc/SOURCES/glibc-upstream-2.39-32.patch

50 lines
1.6 KiB

commit e828914cf9f2fc2caa5bced0fc6a03cb78324979
Author: Florian Weimer <fweimer@redhat.com>
Date: Tue Apr 23 21:16:32 2024 +0200
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)
diff --git a/sysdeps/pthread/tst-cancel30.c b/sysdeps/pthread/tst-cancel30.c
index 3030660e5fd93e2c..94ad6281bcf080f4 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;