From 06daa3362fbee5f84e25e98bd80da5d7692290a0 Mon Sep 17 00:00:00 2001
From: Dan Egnor <egnor@ofb.net>
Date: Mon, 24 Sep 2001 14:48:39 +0000
Subject: [PATCH] Better comments; zero data pointer when cancelling events to
help conservative GC do its job better
---
oop.h | 6 ++++--
sys.c | 1 +
2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/oop.h b/oop.h
index b25a08c..c940963 100644
--- a/oop.h
+++ b/oop.h
@@ -69,8 +69,10 @@ typedef struct oop_source_sys oop_source_sys;
oop_source_sys *oop_sys_new(void);
/* Process events until either of the following two conditions:
- 1 -- some callback returns non-NULL; will return the value in question.
- 2 -- no callbacks are registered; will return NULL. */
+ 1 -- some callback returns anything but OOP_CONTINUE;
+ will return the value in question.
+ 2 -- no callbacks are registered; will return OOP_CONTINUE.
+ 3 -- an error occurs; will return OOP_ERROR (check errno). */
void *oop_sys_run(oop_source_sys *);
/* Delete a system event source. No callbacks may be registered. */
diff --git a/sys.c b/sys.c
index 8657569..f33a631 100644
--- a/sys.c
+++ b/sys.c
@@ -101,6 +101,7 @@ static void sys_cancel_fd(oop_source *source,int fd,oop_event ev) {
oop_source_sys *sys = verify_source(source);
if (fd < sys->num_files && NULL != sys->files[fd][ev].f) {
sys->files[fd][ev].f = NULL;
+ sys->files[fd][ev].v = NULL;
--sys->num_events;
}
}
--
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