diff options
| -rw-r--r-- | guix/store.scm | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/guix/store.scm b/guix/store.scm index 8413d1f452..89f5df052a 100644 --- a/guix/store.scm +++ b/guix/store.scm @@ -129,7 +129,7 @@ direct-store-path log-file)) -(define %protocol-version #x10c) +(define %protocol-version #x10e) (define %worker-magic-1 #x6e697863) ; "nixc" (define %worker-magic-2 #x6478696f) ; "dxio" @@ -328,11 +328,13 @@ (status nix-protocol-error-status)) (define* (open-connection #:optional (file (%daemon-socket-file)) - #:key (reserve-space? #t)) + #:key (reserve-space? #t) cpu-affinity) "Connect to the daemon over the Unix-domain socket at FILE. When -RESERVE-SPACE? is true, instruct it to reserve a little bit of extra -space on the file system so that the garbage collector can still -operate, should the disk become full. Return a server object." +RESERVE-SPACE? is true, instruct it to reserve a little bit of extra space on +the file system so that the garbage collector can still operate, should the +disk become full. When CPU-AFFINITY is true, it must be an integer +corresponding to an OS-level CPU number to which the daemon's worker process +for this connection will be pinned. Return a server object." (let ((s (with-fluids ((%default-port-encoding #f)) ;; This trick allows use of the `scm_c_read' optimization. (socket PF_UNIX SOCK_STREAM 0))) @@ -355,8 +357,12 @@ operate, should the disk become full. Return a server object." (protocol-major v)) (begin (write-int %protocol-version s) - (if (>= (protocol-minor v) 11) - (write-int (if reserve-space? 1 0) s)) + (when (>= (protocol-minor v) 14) + (write-int (if cpu-affinity 1 0) s) + (when cpu-affinity + (write-int cpu-affinity s))) + (when (>= (protocol-minor v) 11) + (write-int (if reserve-space? 1 0) s)) (let ((s (%make-nix-server s (protocol-major v) (protocol-minor v) |