diff options
Diffstat (limited to 'nix/libstore')
| -rw-r--r-- | nix/libstore/build.cc | 6 | ||||
| -rw-r--r-- | nix/libstore/worker-protocol.hh | 5 |
2 files changed, 9 insertions, 2 deletions
diff --git a/nix/libstore/build.cc b/nix/libstore/build.cc index e8259aa4e8..54555b92d7 100644 --- a/nix/libstore/build.cc +++ b/nix/libstore/build.cc @@ -2154,6 +2154,12 @@ void DerivationGoal::runChild() determinism. */ int cur = personality(0xffffffff); if (cur != -1) personality(cur | ADDR_NO_RANDOMIZE); + + /* Ask the kernel to eagerly kill us & our children if it runs out of + memory, regardless of blame, to preserve ‘real’ user data & state. */ + try { + writeFile("/proc/self/oom_score_adj", "1000"); // 100% + } catch (...) { ignoreException(); } #endif /* Fill in the environment. */ diff --git a/nix/libstore/worker-protocol.hh b/nix/libstore/worker-protocol.hh index ea67b10a5b..ef259db2a0 100644 --- a/nix/libstore/worker-protocol.hh +++ b/nix/libstore/worker-protocol.hh @@ -6,7 +6,7 @@ namespace nix { #define WORKER_MAGIC_1 0x6e697863 #define WORKER_MAGIC_2 0x6478696f -#define PROTOCOL_VERSION 0x163 +#define PROTOCOL_VERSION 0x164 #define GET_PROTOCOL_MAJOR(x) ((x) & 0xff00) #define GET_PROTOCOL_MINOR(x) ((x) & 0x00ff) @@ -44,7 +44,8 @@ typedef enum { wopQueryValidDerivers = 33, wopOptimiseStore = 34, wopVerifyStore = 35, - wopBuiltinBuilders = 80 + wopBuiltinBuilders = 80, + wopSubstituteURLs = 81 } WorkerOp; |