diff options
Diffstat (limited to 'dbus/dbus-spawn.c')
| -rw-r--r-- | dbus/dbus-spawn.c | 37 |
1 files changed, 29 insertions, 8 deletions
diff --git a/dbus/dbus-spawn.c b/dbus/dbus-spawn.c index c08f9278..c3c2fb99 100644 --- a/dbus/dbus-spawn.c +++ b/dbus/dbus-spawn.c @@ -21,6 +21,9 @@ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * */ + +#include <config.h> + #include "dbus-spawn.h" #include "dbus-sysdeps-unix.h" #include "dbus-internals.h" @@ -805,9 +808,25 @@ static dbus_bool_t make_pipe (int p[2], DBusError *error) { + int retval; + +#ifdef HAVE_PIPE2 + dbus_bool_t cloexec_done; + + retval = pipe2 (p, O_CLOEXEC); + cloexec_done = retval >= 0; + + /* Check if kernel seems to be too old to know pipe2(). We assume + that if pipe2 is available, O_CLOEXEC is too. */ + if (retval < 0 && errno == ENOSYS) +#endif + { + retval = pipe(p); + } + _DBUS_ASSERT_ERROR_IS_CLEAR (error); - - if (pipe (p) < 0) + + if (retval < 0) { dbus_set_error (error, DBUS_ERROR_SPAWN_FAILED, @@ -816,6 +835,14 @@ make_pipe (int p[2], return FALSE; } +#ifdef HAVE_PIPE2 + if (!cloexec_done) +#endif + { + _dbus_fd_set_close_on_exec (p[0]); + _dbus_fd_set_close_on_exec (p[1]); + } + return TRUE; } @@ -1117,15 +1144,9 @@ _dbus_spawn_async_with_babysitter (DBusBabysitter **sitter_p, if (!make_pipe (child_err_report_pipe, error)) goto cleanup_and_fail; - _dbus_fd_set_close_on_exec (child_err_report_pipe[READ_END]); - _dbus_fd_set_close_on_exec (child_err_report_pipe[WRITE_END]); - if (!_dbus_full_duplex_pipe (&babysitter_pipe[0], &babysitter_pipe[1], TRUE, error)) goto cleanup_and_fail; - _dbus_fd_set_close_on_exec (babysitter_pipe[0]); - _dbus_fd_set_close_on_exec (babysitter_pipe[1]); - /* Setting up the babysitter is only useful in the parent, * but we don't want to run out of memory and fail * after we've already forked, since then we'd leak |