Initial Import

1 files changed, 98 insertions, 0 deletions

diff --git a/events/events.h b/events/events.h
new file mode 100644
index 00000000..1ece4969
--- /dev/null
+++ b/events/events.h
@@ -0,0 +1,98 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   generalised event loop handling
+
+   Copyright (C) Andrew Tridgell 2005
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __EVENTS_H__
+#define __EVENTS_H__
+
+#include <stdint.h>
+#include <talloc.h>
+
+struct event_context;
+struct event_ops;
+struct fd_event;
+struct timed_event;
+struct aio_event;
+struct signal_event;
+
+/* event handler types */
+typedef void (*event_fd_handler_t)(struct event_context *, struct fd_event *, 
+				   uint16_t , void *);
+typedef void (*event_timed_handler_t)(struct event_context *, struct timed_event *, 
+				      struct timeval , void *);
+typedef void (*event_signal_handler_t)(struct event_context *, struct signal_event *, 
+				       int , int, void *, void *);
+typedef void (*event_aio_handler_t)(struct event_context *, struct aio_event *, 
+				    int, void *);
+
+#ifdef _SAMBA_BUILD_
+struct event_context *s4_event_context_init(TALLOC_CTX *mem_ctx);
+#endif
+
+struct event_context *event_context_init(TALLOC_CTX *mem_ctx);
+struct event_context *event_context_init_byname(TALLOC_CTX *mem_ctx, const char *name);
+const char **event_backend_list(TALLOC_CTX *mem_ctx);
+void event_set_default_backend(const char *backend);
+
+struct fd_event *event_add_fd(struct event_context *ev, TALLOC_CTX *mem_ctx,
+			      int fd, uint16_t flags, event_fd_handler_t handler,
+			      void *private_data);
+
+struct timed_event *event_add_timed(struct event_context *ev, TALLOC_CTX *mem_ctx,
+				    struct timeval next_event, 
+				    event_timed_handler_t handler, 
+				    void *private_data);
+
+struct signal_event *event_add_signal(struct event_context *ev, TALLOC_CTX *mem_ctx,
+				      int signum, int sa_flags,
+				      event_signal_handler_t handler, 
+				      void *private_data);
+
+struct iocb;
+struct aio_event *event_add_aio(struct event_context *ev,
+				TALLOC_CTX *mem_ctx,
+				struct iocb *iocb,
+				event_aio_handler_t handler,
+				void *private_data);
+
+int event_loop_once(struct event_context *ev);
+int event_loop_wait(struct event_context *ev);
+
+uint16_t event_get_fd_flags(struct fd_event *fde);
+void event_set_fd_flags(struct fd_event *fde, uint16_t flags);
+
+struct event_context *event_context_find(TALLOC_CTX *mem_ctx);
+
+/* bits for file descriptor event flags */
+#define EVENT_FD_READ 1
+#define EVENT_FD_WRITE 2
+#define EVENT_FD_AUTOCLOSE 4
+
+#define EVENT_FD_WRITEABLE(fde) \
+	event_set_fd_flags(fde, event_get_fd_flags(fde) | EVENT_FD_WRITE)
+#define EVENT_FD_READABLE(fde) \
+	event_set_fd_flags(fde, event_get_fd_flags(fde) | EVENT_FD_READ)
+
+#define EVENT_FD_NOT_WRITEABLE(fde) \
+	event_set_fd_flags(fde, event_get_fd_flags(fde) & ~EVENT_FD_WRITE)
+#define EVENT_FD_NOT_READABLE(fde) \
+	event_set_fd_flags(fde, event_get_fd_flags(fde) & ~EVENT_FD_READ)
+
+#endif /* __EVENTS_H__ */