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-rw-r--r--sysdeps/unix/sysv/linux/kernel-features.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h
index 6f19fc6360..2a84f1502a 100644
--- a/sysdeps/unix/sysv/linux/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/kernel-features.h
@@ -406,3 +406,8 @@
#if __LINUX_KERNEL_VERSION >= 132355
# define __ASSUME_BRK_PAGE_ROUNDED 1
#endif
+
+/* Starting with version 2.6.9, the waitid system call is available. */
+#if __LINUX_KERNEL_VERSION >= 0x020609
+# define __ASSUME_WAITID_SYSCALL 1
+#endif