netbsd/openbsd adding more accessors to siginfo_t.

close #3397

Author: devnexen

libc-test/build.rs

@@ -638,7 +638,7 @@ fn test_windows(target: &str) {
 
             // Windows uppercase structs don't have `struct` in front:
             t if is_struct => {
-                if ty.clone().chars().next().unwrap().is_uppercase() {
+                if ty.chars().next().unwrap().is_uppercase() {
                     t.to_string()
                 } else if t == "stat" {
                     "struct __stat64".to_string()

src/unix/bsd/netbsdlike/netbsd/mod.rs

@@ -60,6 +60,39 @@ impl siginfo_t {
         self.si_addr
     }
 
+    pub unsafe fn si_code(&self) -> ::c_int {
+        self.si_code
+    }
+
+    pub unsafe fn si_errno(&self) -> ::c_int {
+        self.si_errno
+    }
+
+    pub unsafe fn si_pid(&self) -> ::pid_t {
+        #[repr(C)]
+        struct siginfo_timer {
+            _si_signo: ::c_int,
+            _si_errno: ::c_int,
+            _si_code: ::c_int,
+            __pad1: ::c_int,
+            _pid: ::pid_t,
+        }
+        (*(self as *const siginfo_t as *const siginfo_timer))._pid
+    }
+
+    pub unsafe fn si_uid(&self) -> ::uid_t {
+        #[repr(C)]
+        struct siginfo_timer {
+            _si_signo: ::c_int,
+            _si_errno: ::c_int,
+            _si_code: ::c_int,
+            __pad1: ::c_int,
+            _pid: ::pid_t,
+            _uid: ::uid_t,
+        }
+        (*(self as *const siginfo_t as *const siginfo_timer))._uid
+    }
+
     pub unsafe fn si_value(&self) -> ::sigval {
         #[repr(C)]
         struct siginfo_timer {

src/unix/bsd/netbsdlike/openbsd/mod.rs

@@ -540,12 +540,46 @@ impl siginfo_t {
         self.si_addr
     }
 
-    pub unsafe fn si_value(&self) -> ::sigval {
+    pub unsafe fn si_code(&self) -> ::c_int {
+        self.si_code
+    }
+
+    pub unsafe fn si_errno(&self) -> ::c_int {
+        self.si_errno
+    }
+
+    pub unsafe fn si_pid(&self) -> ::pid_t {
+        #[repr(C)]
+        struct siginfo_timer {
+            _si_signo: ::c_int,
+            _si_code: ::c_int,
+            _si_errno: ::c_int,
+            _pad: [::c_int; SI_PAD],
+            _pid: ::pid_t,
+        }
+        (*(self as *const siginfo_t as *const siginfo_timer))._pid
+    }
+
+    pub unsafe fn si_uid(&self) -> ::uid_t {
         #[repr(C)]
         struct siginfo_timer {
             _si_signo: ::c_int,
+            _si_code: ::c_int,
             _si_errno: ::c_int,
+            _pad: [::c_int; SI_PAD],
+            _pid: ::pid_t,
+            _uid: ::uid_t,
+        }
+        (*(self as *const siginfo_t as *const siginfo_timer))._uid
+    }
+
+    pub unsafe fn si_value(&self) -> ::sigval {
+        #[repr(C)]
+        struct siginfo_timer {
+            _si_signo: ::c_int,
             _si_code: ::c_int,
+            _si_errno: ::c_int,
+            _pad: [::c_int; SI_PAD],
             _pid: ::pid_t,
             _uid: ::uid_t,
             value: ::sigval,
@@ -1576,6 +1610,9 @@ pub const NTFS_MFLAG_ALLNAMES: ::c_int = 0x2;
 
 pub const TMPFS_ARGS_VERSION: ::c_int = 1;
 
+const SI_MAXSZ: ::size_t = 128;
+const SI_PAD: ::size_t = (SI_MAXSZ / ::mem::size_of::<::c_int>()) - 3;
+
 pub const MAP_STACK: ::c_int = 0x4000;
 pub const MAP_CONCEAL: ::c_int = 0x8000;