Auto merge of #3055 - devnexen:prctl_score_sched, r=JohnTitor

linux add scheduler core for prctl constants

Author: bors

libc-test/build.rs

@@ -3538,6 +3538,9 @@ fn test_linux(target: &str) {
             // linux 5.17 min
             "PR_SET_VMA" | "PR_SET_VMA_ANON_NAME" => true,
 
+            // present in recent kernels only
+            "PR_SCHED_CORE" | "PR_SCHED_CORE_CREATE" | "PR_SCHED_CORE_GET" | "PR_SCHED_CORE_MAX" | "PR_SCHED_CORE_SCOPE_PROCESS_GROUP" | "PR_SCHED_CORE_SCOPE_THREAD" | "PR_SCHED_CORE_SCOPE_THREAD_GROUP" | "PR_SCHED_CORE_SHARE_FROM" | "PR_SCHED_CORE_SHARE_TO" => true, 
+
             // present in recent kernels only
             "PR_PAC_SET_ENABLED_KEYS" | "PR_PAC_GET_ENABLED_KEYS" => true,
 

libc-test/semver/linux.txt

@@ -1756,6 +1756,15 @@ PR_MCE_KILL_LATE
 PR_MCE_KILL_SET
 PR_MPX_DISABLE_MANAGEMENT
 PR_MPX_ENABLE_MANAGEMENT
+PR_SCHED_CORE
+PR_SCHED_CORE_CREATE
+PR_SCHED_CORE_GET
+PR_SCHED_CORE_MAX
+PR_SCHED_CORE_SCOPE_PROCESS_GROUP
+PR_SCHED_CORE_SCOPE_THREAD
+PR_SCHED_CORE_SCOPE_THREAD_GROUP
+PR_SCHED_CORE_SHARE_FROM
+PR_SCHED_CORE_SHARE_TO
 PR_SET_CHILD_SUBREAPER
 PR_SET_DUMPABLE
 PR_SET_ENDIAN

src/unix/linux_like/linux/mod.rs

@@ -2042,6 +2042,16 @@ pub const PR_CAP_AMBIENT_CLEAR_ALL: ::c_int = 4;
 pub const PR_SET_VMA: ::c_int = 0x53564d41;
 pub const PR_SET_VMA_ANON_NAME: ::c_int = 0;
 
+pub const PR_SCHED_CORE: ::c_int = 62;
+pub const PR_SCHED_CORE_GET: ::c_int = 0;
+pub const PR_SCHED_CORE_CREATE: ::c_int = 1;
+pub const PR_SCHED_CORE_SHARE_TO: ::c_int = 2;
+pub const PR_SCHED_CORE_SHARE_FROM: ::c_int = 3;
+pub const PR_SCHED_CORE_MAX: ::c_int = 4;
+pub const PR_SCHED_CORE_SCOPE_THREAD: ::c_int = 0;
+pub const PR_SCHED_CORE_SCOPE_THREAD_GROUP: ::c_int = 1;
+pub const PR_SCHED_CORE_SCOPE_PROCESS_GROUP: ::c_int = 2;
+
 pub const GRND_NONBLOCK: ::c_uint = 0x0001;
 pub const GRND_RANDOM: ::c_uint = 0x0002;
 pub const GRND_INSECURE: ::c_uint = 0x0004;