diff options
Diffstat (limited to 'src/platform.c')
| -rw-r--r-- | src/platform.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/platform.c b/src/platform.c index ea6b8ad..81dcfdf 100644 --- a/src/platform.c +++ b/src/platform.c @@ -24,6 +24,14 @@ int nr_cpus() return n; } + +int set_thread_affinity(pthread_t tid, int core) +{ + errno = ENOTSUP; + pr_err("setting thread afinity is not implemented on apple\n"); + return -1; +} + #endif #ifdef linux @@ -34,5 +42,19 @@ int nr_cpus() return CPU_COUNT(&cpu_set); return -1; } + +int set_thread_affinity(pthread_t tid, int core) +{ + cpu_set_t target_cpu_set; + int ret = 0; + + CPU_ZERO(&target_cpu_set); + CPU_SET(core, &target_cpu_set); + ret = pthread_setaffinity_np(tid, sizeof(target_cpu_set), &target_cpu_set); + if (ret < 0) + pr_err("failed to set thread/cpu affinity for core %d: %s", + core, strerrno()); + return ret; +} #endif |