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-rw-r--r--sysdeps/unix/sysv/linux/kernel-features.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h
index e6be76ff46..43faaa3f9d 100644
--- a/sysdeps/unix/sysv/linux/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/kernel-features.h
@@ -208,4 +208,10 @@
 # define __ASSUME_TIME64_SYSCALLS 1
 #endif
 
+/* Linux waitid prior kernel 5.4 does not support waiting for the current
+   process group.  */
+#if __LINUX_KERNEL_VERSION >= 0x050400
+# define __ASSUME_WAITID_PID0_P_PGID
+#endif
+
 #endif /* kernel-features.h */