diff options
Diffstat (limited to 'sysdeps/l4/pt-block.c')
| -rw-r--r-- | sysdeps/l4/pt-block.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/sysdeps/l4/pt-block.c b/sysdeps/l4/pt-block.c index 933cc285..df3fe85b 100644 --- a/sysdeps/l4/pt-block.c +++ b/sysdeps/l4/pt-block.c @@ -21,9 +21,24 @@ #include <pt-internal.h> +#include <hurd/stddef.h> + /* Block THREAD. */ void __pthread_block (struct __pthread *thread) { - L4_Receive (L4_anylocalthread); + debug (5, "%x.%x blocking", + l4_thread_no (thread->threadid), l4_version (thread->threadid)); + + l4_msg_tag_t tag = l4_receive (l4_anythread); + if (l4_ipc_failed (tag)) + { + int err = l4_error_code (); + debug (1, "%x.%x failed to block: %s (%d)", + l4_thread_no (l4_myself ()), l4_version (l4_myself ()), + l4_strerror (err), err); + } + else + debug (5, "%x.%x unblocked", + l4_thread_no (thread->threadid), l4_version (thread->threadid)); } |