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std: undo conversion of user defined try!s

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This commit is contained in:
Jorge Aparicio 2016-03-21 02:23:47 -05:00
parent aa7fe93d4a
commit f88a1e6f21
1 changed files with 11 additions and 11 deletions
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22
src/libstd/sys/unix/process.rs
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@ -335,7 +335,7 @@ impl Command {
// have the drop glue anyway because this code never returns (the
// child will either exec() or invoke libc::exit)
unsafe fn do_exec(&mut self, stdio: ChildPipes) -> io::Error {
macro_rules! try {
macro_rules! t {
($e:expr) => (match $e {
Ok(e) => e,
Err(e) => return e,
@ -343,17 +343,17 @@ impl Command {
}
if let Some(fd) = stdio.stdin.fd() {
cvt_r(|| libc::dup2(fd, libc::STDIN_FILENO))?;
t!(cvt_r(|| libc::dup2(fd, libc::STDIN_FILENO)));
}
if let Some(fd) = stdio.stdout.fd() {
cvt_r(|| libc::dup2(fd, libc::STDOUT_FILENO))?;
t!(cvt_r(|| libc::dup2(fd, libc::STDOUT_FILENO)));
}
if let Some(fd) = stdio.stderr.fd() {
cvt_r(|| libc::dup2(fd, libc::STDERR_FILENO))?;
t!(cvt_r(|| libc::dup2(fd, libc::STDERR_FILENO)));
}
if let Some(u) = self.gid {
cvt(libc::setgid(u as gid_t))?;
t!(cvt(libc::setgid(u as gid_t)));
}
if let Some(u) = self.uid {
// When dropping privileges from root, the `setgroups` call
@ -365,7 +365,7 @@ impl Command {
// privilege dropping function.
let _ = libc::setgroups(0, ptr::null());
cvt(libc::setuid(u as uid_t))?;
t!(cvt(libc::setuid(u as uid_t)));
}
if self.session_leader {
// Don't check the error of setsid because it fails if we're the
@ -374,7 +374,7 @@ impl Command {
let _ = libc::setsid();
}
if let Some(ref cwd) = self.cwd {
cvt(libc::chdir(cwd.as_ptr()))?;
t!(cvt(libc::chdir(cwd.as_ptr())));
}
if let Some(ref envp) = self.envp {
*sys::os::environ() = envp.as_ptr();
@ -390,9 +390,9 @@ impl Command {
// need to clean things up now to avoid confusing the program
// we're about to run.
let mut set: libc::sigset_t = mem::uninitialized();
cvt(libc::sigemptyset(&mut set))?;
cvt(libc::pthread_sigmask(libc::SIG_SETMASK, &set,
ptr::null_mut()))?;
t!(cvt(libc::sigemptyset(&mut set)));
t!(cvt(libc::pthread_sigmask(libc::SIG_SETMASK, &set,
ptr::null_mut())));
let ret = libc::signal(libc::SIGPIPE, libc::SIG_DFL);
if ret == libc::SIG_ERR {
return io::Error::last_os_error()
@ -400,7 +400,7 @@ impl Command {
}
for callback in self.closures.iter_mut() {
callback()?;
t!(callback());
}
libc::execvp(self.argv[0], self.argv.as_ptr());