Auto merge of #1561 - elichai:2019-10-flock64, r=gnzlbg

Add flock64 to linux_like platforms

Hi,
I'm not sure about what to make of the ifdef in glibc `__USE_LARGEFILE64` that covers it.
but I copied the impl from glibc's headers.
everything is the same except for sparc which has a reserved short int.
and in musl it's just `#define flock64 flock`

Author: bors

libc-test/build.rs

@@ -2234,6 +2234,9 @@ fn test_linux(target: &str) {
 
             t if t.ends_with("_t") => t.to_string(),
 
+            // In MUSL `flock64` is a typedef to `flock`.
+            "flock64" if musl => format!("struct {}", ty),
+
             // put `struct` in front of all structs:.
             t if is_struct => format!("struct {}", t),
 

src/unix/linux_like/android/mod.rs

@@ -22,6 +22,8 @@ pub type ino_t = ::c_ulong;
 pub type __CPU_BITTYPE = ::c_ulong;
 pub type idtype_t = ::c_int;
 pub type loff_t = ::c_longlong;
+pub type __kernel_loff_t = ::c_longlong;
+pub type __kernel_pid_t = ::c_int;
 
 s! {
     pub struct stack_t {
@@ -78,6 +80,14 @@ s! {
         pub l_pid: ::pid_t,
     }
 
+    pub struct flock64 {
+        pub l_type: ::c_short,
+        pub l_whence: ::c_short,
+        pub l_start: ::__kernel_loff_t,
+        pub l_len: ::__kernel_loff_t,
+        pub l_pid: ::__kernel_pid_t,
+    }
+
     pub struct cpu_set_t {
         #[cfg(target_pointer_width = "64")]
         __bits: [__CPU_BITTYPE; 16],

src/unix/linux_like/emscripten/mod.rs

@@ -223,6 +223,14 @@ s! {
         pub l_pid: ::pid_t,
     }
 
+    pub struct flock64 {
+        pub l_type: ::c_short,
+        pub l_whence: ::c_short,
+        pub l_start: ::off64_t,
+        pub l_len: ::off64_t,
+        pub l_pid: ::pid_t,
+    }
+
     pub struct pthread_attr_t {
         __size: [u32; 11]
     }

src/unix/linux_like/linux/gnu/b32/arm/mod.rs

@@ -33,6 +33,14 @@ s! {
         pub l_pid: ::pid_t,
     }
 
+    pub struct flock64 {
+        pub l_type: ::c_short,
+        pub l_whence: ::c_short,
+        pub l_start: ::off64_t,
+        pub l_len: ::off64_t,
+        pub l_pid: ::pid_t,
+    }
+
     pub struct ipc_perm {
         pub __key: ::key_t,
         pub uid: ::uid_t,

src/unix/linux_like/linux/gnu/b32/powerpc.rs

@@ -33,6 +33,14 @@ s! {
         pub l_pid: ::pid_t,
     }
 
+    pub struct flock64 {
+        pub l_type: ::c_short,
+        pub l_whence: ::c_short,
+        pub l_start: ::off64_t,
+        pub l_len: ::off64_t,
+        pub l_pid: ::pid_t,
+    }
+
     pub struct ipc_perm {
         __key: ::key_t,
         pub uid: ::uid_t,

src/unix/linux_like/linux/gnu/b32/x86/mod.rs

@@ -34,6 +34,14 @@ s! {
         pub l_pid: ::pid_t,
     }
 
+    pub struct flock64 {
+        pub l_type: ::c_short,
+        pub l_whence: ::c_short,
+        pub l_start: ::off64_t,
+        pub l_len: ::off64_t,
+        pub l_pid: ::pid_t,
+    }
+
     pub struct _libc_fpreg {
         pub significand: [u16; 4],
         pub exponent: u16,

src/unix/linux_like/linux/gnu/b64/aarch64/mod.rs

@@ -45,6 +45,14 @@ s! {
         pub l_pid: ::pid_t,
     }
 
+    pub struct flock64 {
+        pub l_type: ::c_short,
+        pub l_whence: ::c_short,
+        pub l_start: ::off64_t,
+        pub l_len: ::off64_t,
+        pub l_pid: ::pid_t,
+    }
+
     pub struct stat {
         pub st_dev: ::dev_t,
         pub st_ino: ::ino_t,

src/unix/linux_like/linux/gnu/b64/mips64/mod.rs

@@ -57,6 +57,14 @@ s! {
         pub l_pid: ::pid_t,
     }
 
+    pub struct flock64 {
+        pub l_type: ::c_short,
+        pub l_whence: ::c_short,
+        pub l_start: ::off64_t,
+        pub l_len: ::off64_t,
+        pub l_pid: ::pid_t,
+    }
+
     pub struct stat64 {
         pub st_dev: ::c_ulong,
         st_pad1: [::c_long; 2],

src/unix/linux_like/linux/gnu/b64/powerpc64/mod.rs

@@ -45,6 +45,14 @@ s! {
         pub l_pid: ::pid_t,
     }
 
+    pub struct flock64 {
+        pub l_type: ::c_short,
+        pub l_whence: ::c_short,
+        pub l_start: ::off64_t,
+        pub l_len: ::off64_t,
+        pub l_pid: ::pid_t,
+    }
+
     pub struct stat {
         pub st_dev: ::dev_t,
         pub st_ino: ::ino_t,

src/unix/linux_like/linux/gnu/b64/s390x.rs

@@ -44,6 +44,14 @@ s! {
         pub l_pid: ::pid_t,
     }
 
+    pub struct flock64 {
+        pub l_type: ::c_short,
+        pub l_whence: ::c_short,
+        pub l_start: ::off64_t,
+        pub l_len: ::off64_t,
+        pub l_pid: ::pid_t,
+    }
+
     pub struct siginfo_t {
         pub si_signo: ::c_int,
         pub si_errno: ::c_int,