def _handle_execute(execute_file, execute_args, stdin_file, stdout_file,
stderr_file, extra_file, cgroup_file):
pid = fork()
if not pid:
chdir('/in/package')
if stdin_file:
fd = os_open(stdin_file, O_RDONLY)
dup2(fd, STDIN_FILENO)
os_close(fd)
if stdout_file:
fd = os_open(stdout_file, O_WRONLY)
dup2(fd, STDOUT_FILENO)
os_close(fd)
if stderr_file:
fd = os_open(stderr_file, O_WRONLY)
dup2(fd, STDERR_FILENO)
os_close(fd)
if extra_file:
fd = os_open(extra_file, O_RDONLY)
if fd == EXTRA_FILENO:
set_inheritable(fd, True)
else:
dup2(fd, EXTRA_FILENO)
os_close(fd)
if cgroup_file:
enter_cgroup(cgroup_file)
execve(execute_file, execute_args, SPAWN_ENV)
return wait_and_reap_zombies(pid)
def do_build(self, stdin_file, stdout_file, stderr_file, cgroup_file):
pid = fork()
if not pid:
chdir('/out')
if stdin_file:
dup2(os_open(stdin_file, O_RDONLY), STDIN_FILENO)
if stdout_file:
dup2(os_open(stdout_file, O_WRONLY), STDOUT_FILENO)
if stderr_file:
dup2(os_open(stderr_file, O_WRONLY), STDERR_FILENO)
if cgroup_file:
enter_cgroup(cgroup_file)
execve(self.compiler_file, self.compiler_args, SPAWN_ENV)
return wait_and_reap_zombies(pid)
def _handle_compile(compiler_file, compiler_args, output_file, cgroup_file):
pid = fork()
if not pid:
chdir('/out')
os_close(STDIN_FILENO)
if output_file:
fd = os_open(output_file, O_WRONLY)
dup2(fd, STDOUT_FILENO)
dup2(fd, STDERR_FILENO)
os_close(fd)
if cgroup_file:
enter_cgroup(cgroup_file)
execve(compiler_file, compiler_args, SPAWN_ENV)
return wait_and_reap_zombies(pid)
def do_execute(self, stdin_file, stdout_file, stderr_file, cgroup_file):
pid = fork()
if not pid:
chdir('/in/package')
if stdin_file:
fd = os_open(stdin_file, O_RDONLY)
dup2(fd, STDIN_FILENO)
os_close(fd)
if stdout_file:
fd = os_open(stdout_file, O_WRONLY)
dup2(fd, STDOUT_FILENO)
os_close(fd)
if stderr_file:
fd = os_open(stderr_file, O_WRONLY)
dup2(fd, STDERR_FILENO)
os_close(fd)
if cgroup_file:
enter_cgroup(cgroup_file)
execve(self.execute_file, self.execute_args, SPAWN_ENV)
return wait_and_reap_zombies(pid)