Add more wait related calls

Cargo.toml

 [package]
 name = "redox_syscall"
-version = "0.1.36"
+version = "0.1.37"
 description = "A Rust library to access raw Redox system calls"
 license = "MIT"
 authors = ["Jeremy Soller <jackpot51@gmail.com>"]

src/call.rs

@@ -349,29 +349,3 @@ pub fn write(fd: usize, buf: &[u8]) -> Result<usize> {
 pub fn sched_yield() -> Result<usize> {
     unsafe { syscall0(SYS_YIELD) }
 }
-
-/// If wifsignaled(status), the terminating signal.
-#[inline(always)]
-pub fn wtermsig(status: usize) -> usize {
-    status & 0x7f
-}
-/// True if status indicates normal termination.
-#[inline(always)]
-pub fn wifexited(status: usize) -> bool {
-    wtermsig(status) == 0
-}
-/// True if status indicates the child is stopped.
-#[inline(always)]
-pub fn wifstopped(status: usize) -> bool {
-    (status & 0xff) == 0x7f
-}
-/// True if status indicates the child continued after a stop.
-#[inline(always)]
-pub fn wifcontinued(status: usize) -> bool {
-    status == 0xffff
-}
-/// True if STATUS indicates termination by a signal.
-#[inline(always)]
-pub fn wifsignaled(status: usize) -> bool {
-    ((status & 0x7f) + 1) as i8 >= 2
-}

src/flag.rs

@@ -106,3 +106,43 @@ pub const SA_RESETHAND: usize = 0x80000000;
 pub const WNOHANG: usize =    0x01;
 pub const WUNTRACED: usize =  0x02;
 pub const WCONTINUED: usize = 0x08;
+
+/// True if status indicates the child is stopped.
+pub fn wifstopped(status: usize) -> bool {
+    (status & 0xff) == 0x7f
+}
+
+/// If wifstopped(status), the signal that stopped the child.
+pub fn wstopsig(status: usize) -> usize {
+    (status >> 8) & 0xff
+}
+
+/// True if status indicates the child continued after a stop.
+pub fn wifcontinued(status: usize) -> bool {
+    status == 0xffff
+}
+
+/// True if STATUS indicates termination by a signal.
+pub fn wifsignaled(status: usize) -> bool {
+    ((status & 0x7f) + 1) as i8 >= 2
+}
+
+/// If wifsignaled(status), the terminating signal.
+pub fn wtermsig(status: usize) -> usize {
+    status & 0x7f
+}
+
+/// True if status indicates normal termination.
+pub fn wifexited(status: usize) -> bool {
+    wtermsig(status) == 0
+}
+
+/// If wifexited(status), the exit status.
+pub fn wexitstatus(status: usize) -> usize {
+    (status >> 8) & 0xff
+}
+
+/// True if status indicates a core dump was created.
+pub fn wcoredump(status: usize) -> bool {
+    (status & 0x80) != 0
+}