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-rw-r--r--guix/build/syscalls.scm7
1 files changed, 7 insertions, 0 deletions
diff --git a/guix/build/syscalls.scm b/guix/build/syscalls.scm
index b305133c37..15b2ea6ff3 100644
--- a/guix/build/syscalls.scm
+++ b/guix/build/syscalls.scm
@@ -120,6 +120,8 @@
with-file-lock
with-file-lock/no-wait
+ set-child-subreaper!
+
set-thread-name
thread-name
@@ -1421,6 +1423,11 @@ handler if the lock is already held by another process."
(define PR_SET_NAME 15) ;<linux/prctl.h>
(define PR_GET_NAME 16)
+(define PR_SET_CHILD_SUBREAPER 36)
+
+(define (set-child-subreaper!)
+ "Set the CHILD_SUBREAPER capability for the current process."
+ (%prctl PR_SET_CHILD_SUBREAPER 1 0 0 0))
(define %max-thread-name-length
;; Maximum length in bytes of the process name, including the terminating