diff options
| -rw-r--r-- | fixme | 2 | ||||
| -rw-r--r-- | src/macro.h | 1 | ||||
| -rw-r--r-- | src/main.c | 26 | ||||
| -rw-r--r-- | src/missing.h | 10 |
4 files changed, 30 insertions, 9 deletions
@@ -53,8 +53,6 @@ * systemd-install disable should recursively kill all symlinks -* __nss_disable_nscd() aufrufen um loops zu verhindern - * in %post create all symlinks manually and use inittab data * check mtimes of dirs and unit files in systemctl diff --git a/src/macro.h b/src/macro.h index 7bd57b3a8e..10a106bc19 100644 --- a/src/macro.h +++ b/src/macro.h @@ -40,6 +40,7 @@ #define _unlikely_(x) (__builtin_expect(!!(x),0)) #define _public_ __attribute__ ((visibility("default"))) #define _hidden_ __attribute__ ((visibility("hidden"))) +#define _weakref_(x) __attribute__((weakref(#x))) /* Rounds up */ static inline size_t ALIGN(size_t l) { diff --git a/src/main.c b/src/main.c index 5af3587d4b..d3c01b4a67 100644 --- a/src/main.c +++ b/src/main.c @@ -44,6 +44,7 @@ #include "special.h" #include "conf-parser.h" #include "bus-errors.h" +#include "missing.h" static enum { ACTION_RUN, @@ -935,13 +936,24 @@ int main(int argc, char *argv[]) { log_info(PACKAGE_STRING " running in %s mode.", manager_running_as_to_string(arg_running_as)); - if (arg_running_as == MANAGER_SYSTEM && !serialization) { - if (arg_show_status) - status_welcome(); - modprobe_setup(arg_nomodules); - kmod_setup(); - hostname_setup(); - loopback_setup(); + if (arg_running_as == MANAGER_SYSTEM) { + + /* Disable nscd, to avoid deadlocks when systemd uses + * NSS and the nscd socket is maintained by us. */ + if (nss_disable_nscd) { + log_debug("Disabling nscd"); + nss_disable_nscd(); + } else + log_debug("Hmm, can't disable nscd."); + + if (!serialization) { + if (arg_show_status) + status_welcome(); + modprobe_setup(arg_nomodules); + kmod_setup(); + hostname_setup(); + loopback_setup(); + } } if ((r = manager_new(arg_running_as, &m)) < 0) { diff --git a/src/missing.h b/src/missing.h index 602d44a979..003c821f84 100644 --- a/src/missing.h +++ b/src/missing.h @@ -29,6 +29,8 @@ #include <fcntl.h> #include <unistd.h> +#include "macro.h" + #ifndef RLIMIT_RTTIME #define RLIMIT_RTTIME 15 #endif @@ -53,4 +55,12 @@ static inline int pivot_root(const char *new_root, const char *put_old) { return syscall(SYS_pivot_root, new_root, put_old); } +/* This is an internal glibc function call. We are not supposed to + * call this, because we are not nscd. However sometimes we feel + * really dangerous and do it nonetheless. Muahahah! But at least we + * protect this with a weak ref just in case glibc takes this away + * from us. */ + +static void nss_disable_nscd(void) _weakref_(__nss_disable_nscd); + #endif |