From 6ac9666fabefe123c171adc1cb06888a2cd73408 Mon Sep 17 00:00:00 2001
From: Red Bear OS <build@redbearos.org>
Date: Fri, 10 Jul 2026 10:09:10 +0300
Subject: [PATCH] relibc: add CPU_ZERO/CPU_SET/CPU_CLR/CPU_ISSET/CPU_COUNT to
 sched.h

---
 src/header/sched/cbindgen.toml | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/src/header/sched/cbindgen.toml b/src/header/sched/cbindgen.toml
index c54d4ec488..40b79b78fc 100644
--- a/src/header/sched/cbindgen.toml
+++ b/src/header/sched/cbindgen.toml
@@ -9,6 +9,29 @@ sys_includes = ["sys/types.h", "stdint.h"]
 include_guard = "_RELIBC_SCHED_H"
 after_includes = """
 #include <bits/timespec.h> // for timespec
+
+#define CPU_SETSIZE 1024
+static inline void CPU_ZERO(cpu_set_t *set) {
+    for (int i = 0; i < 16; i++) set->__bits[i] = 0;
+}
+static inline void CPU_SET(int cpu, cpu_set_t *set) {
+    if (cpu >= 0 && cpu < CPU_SETSIZE) set->__bits[cpu / 64] |= 1ULL << (cpu % 64);
+}
+static inline void CPU_CLR(int cpu, cpu_set_t *set) {
+    if (cpu >= 0 && cpu < CPU_SETSIZE) set->__bits[cpu / 64] &= ~(1ULL << (cpu % 64));
+}
+static inline int CPU_ISSET(int cpu, cpu_set_t *set) {
+    if (cpu >= 0 && cpu < CPU_SETSIZE) return (set->__bits[cpu / 64] >> (cpu % 64)) & 1;
+    return 0;
+}
+static inline int CPU_COUNT(cpu_set_t *set) {
+    int count = 0;
+    for (int i = 0; i < 16; i++) {
+        unsigned long long v = set->__bits[i];
+        while (v) { count += v & 1; v >>= 1; }
+    }
+    return count;
+}
 """
 language = "C"
 style = "Both"