apple sched_param api addition

Author: devnexen

libc-test/semver/apple.txt

@@ -1768,6 +1768,10 @@ pseudo_AF_KEY
 pseudo_AF_PIP
 pseudo_AF_RTIP
 pseudo_AF_XTP
+pthread_attr_getschedparam
+pthread_attr_setschedparam
+pthread_getschedparam
+pthread_setschedparam
 pthread_cancel
 pthread_condattr_getpshared
 pthread_condattr_setpshared
@@ -1806,6 +1810,9 @@ sa_endpoints_t
 sae_associd_t
 sae_connid_t
 sbrk
+sched_get_priority_max
+sched_get_priority_min
+sched_param
 seekdir
 segment_command
 segment_command_64

src/unix/bsd/apple/mod.rs

@@ -653,6 +653,12 @@ s! {
     pub struct malloc_zone_t {
         __private: [::uintptr_t; 18], // FIXME: keeping private for now
     }
+
+    // sched.h
+    pub struct sched_param {
+        pub sched_priority: ::c_int,
+        __opaque: [::c_char; 4],
+    }
 }
 
 s_no_extra_traits! {
@@ -3791,6 +3797,26 @@ extern "C" {
         class: *mut qos_class_t,
         priority: *mut ::c_int,
     ) -> ::c_int;
+    pub fn pthread_attr_getschedparam(
+        attr: *const ::pthread_attr_t,
+        param: *mut sched_param,
+    ) -> ::c_int;
+    pub fn pthread_attr_setschedparam(
+        attr: *mut ::pthread_attr_t,
+        param: *const sched_param,
+    ) -> ::c_int;
+    pub fn pthread_getschedparam(
+        thread: ::pthread_t,
+        policy: *mut ::c_int,
+        param: *mut sched_param,
+    ) -> ::c_int;
+    pub fn pthread_setschedparam(
+        thread: ::pthread_t,
+        policy: ::c_int,
+        param: *const sched_param,
+    ) -> ::c_int;
+    pub fn sched_get_priority_min(policy: ::c_int) -> ::c_int;
+    pub fn sched_get_priority_max(policy: ::c_int) -> ::c_int;
     pub fn thread_policy_set(
         thread: thread_t,
         flavor: thread_policy_flavor_t,