From acb591e4523af82be3d76fde342e91c90a4bed38 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Wed, 7 Jul 2010 04:37:42 +0200 Subject: execute: change stdout inherit logic, when run as PID 1 use /dev/null --- src/execute.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'src/execute.c') diff --git a/src/execute.c b/src/execute.c index 2acb11192d..d7239d5440 100644 --- a/src/execute.c +++ b/src/execute.c @@ -305,16 +305,16 @@ static int setup_output(const ExecContext *context, int socket_fd, const char *i case EXEC_OUTPUT_INHERIT: - /* If the input is connected to a terminal, inherit that... */ + /* If the input is connected to anything that's not a /dev/null, inherit that... */ if (i != EXEC_INPUT_NULL) return dup2(STDIN_FILENO, STDOUT_FILENO) < 0 ? -errno : STDOUT_FILENO; - /* For PID 1 stdout is always connected to /dev/null, - * hence reopen the console if out parent is PID1. */ - if (getppid() == 1) - return open_terminal_as(tty_path(context), O_WRONLY, STDOUT_FILENO); + /* If we are not started from PID 1 we just inherit STDOUT from our parent process. */ + if (getppid() != 1) + return STDOUT_FILENO; - return STDOUT_FILENO; + /* We need to open /dev/null here anew, to get the + * right access mode. So we fall through */ case EXEC_OUTPUT_NULL: return open_null_as(O_WRONLY, STDOUT_FILENO); @@ -356,7 +356,7 @@ static int setup_error(const ExecContext *context, int socket_fd, const char *id * the way and are not on a tty */ if (e == EXEC_OUTPUT_INHERIT && o == EXEC_OUTPUT_INHERIT && - i != EXEC_INPUT_NULL && + i == EXEC_INPUT_NULL && getppid () != 1) return STDERR_FILENO; -- cgit v1.2.3-54-g00ecf