From: Florian Weimer <fweimer@redhat.com>
To: libc-alpha@sourceware.org
Subject: [PATCH] nptl: Fix tst-cancel30 on kernels without ppoll_time64 support
Date: Fri, 19 Apr 2024 12:25:28 +0200 [thread overview]
Message-ID: <87bk658x9j.fsf@oldenburg.str.redhat.com> (raw)
Fall back to ppoll if ppoll_time64 fails with ENOSYS.
Fixes commit 370da8a121c3ba9eeb2f13da15fc0f21f4136b25 ("nptl: Fix
tst-cancel30 on sparc64").
---
sysdeps/pthread/tst-cancel30.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/sysdeps/pthread/tst-cancel30.c b/sysdeps/pthread/tst-cancel30.c
index 3030660e5f..09071a80ab 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 +47,18 @@ 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);
+# 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;
base-commit: 0997c3d0c87433ac8c78043aaa9b6b7e91df2882
reply other threads:[~2024-04-19 10:25 UTC|newest]
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