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| author | Tom Tromey <tromey@redhat.com> | 2012-08-15 13:11:22 -0600 |
|---|---|---|
| committer | Tom Tromey <tromey@redhat.com> | 2012-08-15 13:11:22 -0600 |
| commit | 51100bb8d36f68842ab55fd0501af56dfc58cc51 (patch) | |
| tree | 6c94b7f893304276b43c57bd12eff92d914a7cd2 /src/thread.h | |
| parent | 1dcacbc64721b1a4de58aa36460b0a39e766be63 (diff) | |
| download | emacs-51100bb8d36f68842ab55fd0501af56dfc58cc51.tar.gz | |
This supplies the mutex implementation for Emacs Lisp.
A lisp mutex is implemented using a condition variable, so that we can
interrupt a mutex-lock operation by calling thread-signal on the
blocking thread. I did things this way because pthread_mutex_lock
can't readily be interrupted.
Diffstat (limited to 'src/thread.h')
| -rw-r--r-- | src/thread.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/thread.h b/src/thread.h index 3b533316817..d3ec38a22b9 100644 --- a/src/thread.h +++ b/src/thread.h @@ -168,6 +168,8 @@ struct thread_state struct thread_state *next_thread; }; +struct Lisp_Mutex; + extern struct thread_state *current_thread; extern sys_mutex_t global_lock; @@ -175,6 +177,7 @@ extern void post_acquire_global_lock (struct thread_state *); extern void unmark_threads (void); extern void finalize_one_thread (struct thread_state *state); +extern void finalize_one_mutex (struct Lisp_Mutex *); extern void init_threads_once (void); extern void init_threads (void); |