X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fshared%2Futil.c;h=63471899fd111f8d21da5c74baecfcd464fb130d;hp=62121b59236abd407acc811157f62ef83cc078c6;hb=cd3bd60a2e4bb08526d953a323bbe1a0ace78b9e;hpb=94163dd54328780b4539e7296eb0ba75b7290367 diff --git a/src/shared/util.c b/src/shared/util.c index 62121b592..63471899f 100644 --- a/src/shared/util.c +++ b/src/shared/util.c @@ -2940,7 +2940,8 @@ int make_stdio(int fd) { int make_null_stdio(void) { int null_fd; - if ((null_fd = open("/dev/null", O_RDWR|O_NOCTTY)) < 0) + null_fd = open("/dev/null", O_RDWR|O_NOCTTY); + if (null_fd < 0) return -errno; return make_stdio(null_fd); @@ -5844,3 +5845,23 @@ void warn_melody(void) { ioctl(fd, KIOCSOUND, 0); close_nointr_nofail(fd); } + +int make_console_stdio(void) { + int fd, r; + + /* Make /dev/console the controlling terminal and stdin/stdout/stderr */ + + fd = acquire_terminal("/dev/console", false, true, true, (usec_t) -1); + if (fd < 0) { + log_error("Failed to acquire terminal: %s", strerror(-fd)); + return fd; + } + + r = make_stdio(fd); + if (r < 0) { + log_error("Failed to duplicate terminal fd: %s", strerror(-r)); + return r; + } + + return 0; +}