Auto merge of #2251 - devnexen:android_impl_barrier, r=JohnTitor

adding pthread barrier to android

Author: bors

libc-test/semver/android.txt

@@ -2946,6 +2946,15 @@ pthread_attr_init
 pthread_attr_setdetachstate
 pthread_attr_setstacksize
 pthread_attr_t
+pthread_barrierattr_destroy
+pthread_barrierattr_getpshared
+pthread_barrierattr_init
+pthread_barrierattr_setpshared
+pthread_barrierattr_t
+pthread_barrier_destroy
+pthread_barrier_init
+pthread_barrier_wait
+pthread_barrier_t
 pthread_cond_broadcast
 pthread_cond_destroy
 pthread_cond_init

src/unix/linux_like/android/b32/mod.rs

@@ -120,6 +120,10 @@ s! {
         __reserved: [::c_char; 12],
     }
 
+    pub struct pthread_barrier_t {
+        __private: [i32; 8],
+    }
+
     pub struct pthread_spinlock_t {
         __private: [i32; 2],
     }

src/unix/linux_like/android/b64/mod.rs

@@ -106,6 +106,10 @@ s! {
         __f_spare: [::c_int; 6],
     }
 
+    pub struct pthread_barrier_t {
+        __private: [i64; 4],
+    }
+
     pub struct pthread_spinlock_t {
         __private: i64,
     }

src/unix/linux_like/android/mod.rs

@@ -11,6 +11,7 @@ pub type useconds_t = u32;
 pub type pthread_t = ::c_long;
 pub type pthread_mutexattr_t = ::c_long;
 pub type pthread_rwlockattr_t = ::c_long;
+pub type pthread_barrierattr_t = ::c_int;
 pub type pthread_condattr_t = ::c_long;
 pub type pthread_key_t = ::c_int;
 pub type fsfilcnt_t = ::c_ulong;
@@ -2677,6 +2678,23 @@ extern "C" {
         lock: *mut pthread_mutex_t,
         abstime: *const ::timespec,
     ) -> ::c_int;
+    pub fn pthread_barrierattr_init(attr: *mut ::pthread_barrierattr_t) -> ::c_int;
+    pub fn pthread_barrierattr_destroy(attr: *mut ::pthread_barrierattr_t) -> ::c_int;
+    pub fn pthread_barrierattr_getpshared(
+        attr: *const ::pthread_barrierattr_t,
+        shared: *mut ::c_int,
+    ) -> ::c_int;
+    pub fn pthread_barrierattr_setpshared(
+        attr: *mut ::pthread_barrierattr_t,
+        shared: ::c_int,
+    ) -> ::c_int;
+    pub fn pthread_barrier_init(
+        barrier: *mut pthread_barrier_t,
+        attr: *const ::pthread_barrierattr_t,
+        count: ::c_uint,
+    ) -> ::c_int;
+    pub fn pthread_barrier_destroy(barrier: *mut pthread_barrier_t) -> ::c_int;
+    pub fn pthread_barrier_wait(barrier: *mut pthread_barrier_t) -> ::c_int;
     pub fn pthread_spin_init(lock: *mut ::pthread_spinlock_t, pshared: ::c_int) -> ::c_int;
     pub fn pthread_spin_destroy(lock: *mut ::pthread_spinlock_t) -> ::c_int;
     pub fn pthread_spin_lock(lock: *mut ::pthread_spinlock_t) -> ::c_int;