Index: fusl/src/sched/affinity.c |
diff --git a/fusl/src/sched/affinity.c b/fusl/src/sched/affinity.c |
new file mode 100644 |
index 0000000000000000000000000000000000000000..948ece413fd45dc9569d183112c04df0de13d2ab |
--- /dev/null |
+++ b/fusl/src/sched/affinity.c |
@@ -0,0 +1,33 @@ |
+#define _GNU_SOURCE |
+#include <sched.h> |
+#include <string.h> |
+#include "pthread_impl.h" |
+#include "syscall.h" |
+ |
+int sched_setaffinity(pid_t tid, size_t size, const cpu_set_t *set) |
+{ |
+ return syscall(SYS_sched_setaffinity, tid, size, set); |
+} |
+ |
+int pthread_setaffinity_np(pthread_t td, size_t size, const cpu_set_t *set) |
+{ |
+ return -__syscall(SYS_sched_setaffinity, td->tid, size, set); |
+} |
+ |
+static int do_getaffinity(pid_t tid, size_t size, cpu_set_t *set) |
+{ |
+ long ret = __syscall(SYS_sched_getaffinity, tid, size, set); |
+ if (ret < 0) return ret; |
+ if (ret < size) memset((char *)set+ret, 0, size-ret); |
+ return 0; |
+} |
+ |
+int sched_getaffinity(pid_t tid, size_t size, cpu_set_t *set) |
+{ |
+ return __syscall_ret(do_getaffinity(tid, size, set)); |
+} |
+ |
+int pthread_getaffinity_np(pthread_t td, size_t size, cpu_set_t *set) |
+{ |
+ return -do_getaffinity(td->tid, size, set); |
+} |