diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/basic/hashmap.c | 8 | ||||
-rw-r--r-- | src/nspawn/nspawn.c | 11 |
2 files changed, 17 insertions, 2 deletions
diff --git a/src/basic/hashmap.c b/src/basic/hashmap.c index e5f05f36f8..7d2a4160c6 100644 --- a/src/basic/hashmap.c +++ b/src/basic/hashmap.c @@ -22,6 +22,7 @@ #include <stdlib.h> #include <errno.h> +#include <pthread.h> #include "util.h" #include "hashmap.h" @@ -157,6 +158,7 @@ struct hashmap_debug_info { /* Tracks all existing hashmaps. Get at it from gdb. See sd_dump_hashmaps.py */ static LIST_HEAD(struct hashmap_debug_info, hashmap_debug_list); +static pthread_mutex_t hashmap_debug_list_mutex = PTHREAD_MUTEX_INITIALIZER; #define HASHMAP_DEBUG_FIELDS struct hashmap_debug_info debug; @@ -806,10 +808,12 @@ static struct HashmapBase *hashmap_base_new(const struct hash_ops *hash_ops, enu } #ifdef ENABLE_DEBUG_HASHMAP - LIST_PREPEND(debug_list, hashmap_debug_list, &h->debug); h->debug.func = func; h->debug.file = file; h->debug.line = line; + assert_se(pthread_mutex_lock(&hashmap_debug_list_mutex) == 0); + LIST_PREPEND(debug_list, hashmap_debug_list, &h->debug); + assert_se(pthread_mutex_unlock(&hashmap_debug_list_mutex) == 0); #endif return h; @@ -861,7 +865,9 @@ static void hashmap_free_no_clear(HashmapBase *h) { assert(!h->n_direct_entries); #ifdef ENABLE_DEBUG_HASHMAP + assert_se(pthread_mutex_lock(&hashmap_debug_list_mutex) == 0); LIST_REMOVE(debug_list, hashmap_debug_list, &h->debug); + assert_se(pthread_mutex_unlock(&hashmap_debug_list_mutex) == 0); #endif if (h->from_pool) diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c index d1154de08a..4cf2d14ae2 100644 --- a/src/nspawn/nspawn.c +++ b/src/nspawn/nspawn.c @@ -1538,7 +1538,16 @@ static int setup_resolv_conf(const char *dest) { r = copy_file("/etc/resolv.conf", where, O_TRUNC|O_NOFOLLOW, 0644, 0); if (r < 0) { - log_warning_errno(r, "Failed to copy /etc/resolv.conf to %s: %m", where); + /* If the file already exists as symlink, let's + * suppress the warning, under the assumption that + * resolved or something similar runs inside and the + * symlink points there. + * + * If the disk image is read-only, there's also no + * point in complaining. + */ + log_full_errno(IN_SET(r, -ELOOP, -EROFS) ? LOG_DEBUG : LOG_WARNING, r, + "Failed to copy /etc/resolv.conf to %s: %m", where); return 0; } |