56 lines
1.7 KiB
Diff
56 lines
1.7 KiB
Diff
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From decc9f504ae78bbee6faa49b9bca71c7eae62ea9 Mon Sep 17 00:00:00 2001
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From: Florian Weimer <fweimer@redhat.com>
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Date: Tue, 23 Apr 2024 21:16:32 +0200
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Subject: [PATCH 18/26] nptl: Fix tst-cancel30 on kernels without ppoll_time64
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support
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Fall back to ppoll if ppoll_time64 fails with ENOSYS.
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Fixes commit 370da8a121c3ba9eeb2f13da15fc0f21f4136b25 ("nptl: Fix
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tst-cancel30 on sparc64").
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Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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(cherry picked from commit f4724843ada64a51d66f65d3199fe431f9d4c254)
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---
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sysdeps/pthread/tst-cancel30.c | 15 +++++++++++----
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1 file changed, 11 insertions(+), 4 deletions(-)
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diff --git a/sysdeps/pthread/tst-cancel30.c b/sysdeps/pthread/tst-cancel30.c
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index ff803386be..ace925ca67 100644
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--- a/sysdeps/pthread/tst-cancel30.c
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+++ b/sysdeps/pthread/tst-cancel30.c
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@@ -18,6 +18,7 @@
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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+#include <errno.h>
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#include <support/check.h>
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#include <support/xstdio.h>
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#include <support/xthread.h>
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@@ -46,13 +47,19 @@ tf (void *arg)
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/* Wait indefinitely for cancellation, which only works if asynchronous
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cancellation is enabled. */
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-#if defined SYS_ppoll || defined SYS_ppoll_time64
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-# ifndef SYS_ppoll_time64
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-# define SYS_ppoll_time64 SYS_ppoll
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+#ifdef SYS_ppoll_time64
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+ long int ret = syscall (SYS_ppoll_time64, NULL, 0, NULL, NULL);
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+ (void) ret;
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+# ifdef SYS_ppoll
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+ if (ret == -1 && errno == ENOSYS)
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+ syscall (SYS_ppoll, NULL, 0, NULL, NULL);
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# endif
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- syscall (SYS_ppoll_time64, NULL, 0, NULL, NULL);
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#else
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+# ifdef SYS_ppoll
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+ syscall (SYS_ppoll, NULL, 0, NULL, NULL);
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+# else
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for (;;);
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+# endif
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#endif
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return 0;
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--
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2.33.0
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