Update libc crate to 0.2.55

This change updates the libc crate to version 0.2.55.

Import subrepo libc/:libc at caf17a0641d29dc624621177f5756804dd180c13

1 files changed, 51 insertions, 0 deletions

diff --git a/libc/src/unix/newlib/no_align.rs b/libc/src/unix/newlib/no_align.rs
new file mode 100644
index 0000000..316c464
--- /dev/null
+++ b/libc/src/unix/newlib/no_align.rs
@@ -0,0 +1,51 @@
+macro_rules! expand_align {
+    () => {
+        s! {
+            pub struct pthread_mutex_t { // Unverified
+                #[cfg(any(target_arch = "mips",
+                          target_arch = "arm",
+                          target_arch = "powerpc"))]
+                __align: [::c_long; 0],
+                #[cfg(not(any(target_arch = "mips",
+                              target_arch = "arm",
+                              target_arch = "powerpc")))]
+                __align: [::c_longlong; 0],
+                size: [u8; ::__SIZEOF_PTHREAD_MUTEX_T],
+            }
+
+            pub struct pthread_rwlock_t { // Unverified
+                #[cfg(any(target_arch = "mips",
+                          target_arch = "arm",
+                          target_arch = "powerpc"))]
+                __align: [::c_long; 0],
+                #[cfg(not(any(target_arch = "mips",
+                              target_arch = "arm",
+                              target_arch = "powerpc")))]
+                __align: [::c_longlong; 0],
+                size: [u8; ::__SIZEOF_PTHREAD_RWLOCK_T],
+            }
+
+            pub struct pthread_mutexattr_t { // Unverified
+                #[cfg(any(target_arch = "x86_64", target_arch = "powerpc64",
+                          target_arch = "mips64", target_arch = "s390x",
+                          target_arch = "sparc64"))]
+                __align: [::c_int; 0],
+                #[cfg(not(any(target_arch = "x86_64", target_arch = "powerpc64",
+                              target_arch = "mips64", target_arch = "s390x",
+                              target_arch = "sparc64")))]
+                __align: [::c_long; 0],
+                size: [u8; ::__SIZEOF_PTHREAD_MUTEXATTR_T],
+            }
+
+            pub struct pthread_cond_t { // Unverified
+                __align: [::c_longlong; 0],
+                size: [u8; ::__SIZEOF_PTHREAD_COND_T],
+            }
+
+            pub struct pthread_condattr_t { // Unverified
+                __align: [::c_int; 0],
+                size: [u8; ::__SIZEOF_PTHREAD_CONDATTR_T],
+            }
+        }
+    }
+}