diff options
Diffstat (limited to 'src/libutil/affinity.cc')
| -rw-r--r-- | src/libutil/affinity.cc | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/libutil/affinity.cc b/src/libutil/affinity.cc index 3e21f43a2..3cbdf8786 100644 --- a/src/libutil/affinity.cc +++ b/src/libutil/affinity.cc @@ -2,14 +2,14 @@ #include "util.hh" #include "affinity.hh" -#if HAVE_SCHED_H +#if __linux__ #include <sched.h> #endif namespace nix { -#if HAVE_SCHED_SETAFFINITY +#if __linux__ static bool didSaveAffinity = false; static cpu_set_t savedAffinity; #endif @@ -17,7 +17,7 @@ static cpu_set_t savedAffinity; void setAffinityTo(int cpu) { -#if HAVE_SCHED_SETAFFINITY +#if __linux__ if (sched_getaffinity(0, sizeof(cpu_set_t), &savedAffinity) == -1) return; didSaveAffinity = true; printMsg(lvlDebug, format("locking this thread to CPU %1%") % cpu); @@ -32,7 +32,7 @@ void setAffinityTo(int cpu) int lockToCurrentCPU() { -#if HAVE_SCHED_SETAFFINITY +#if __linux__ int cpu = sched_getcpu(); if (cpu != -1) setAffinityTo(cpu); return cpu; @@ -44,7 +44,7 @@ int lockToCurrentCPU() void restoreAffinity() { -#if HAVE_SCHED_SETAFFINITY +#if __linux__ if (!didSaveAffinity) return; if (sched_setaffinity(0, sizeof(cpu_set_t), &savedAffinity) == -1) printMsg(lvlError, "failed to restore affinity %1%"); |