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server: Avoid using interlocked functions. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2020-05-02 15:10:14 +02:00
parent 5d5b6a1f35
commit 2633a5c1ae
1 changed files with 5 additions and 4 deletions
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7
server/change.c
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@ -88,7 +88,7 @@ struct dir
uid_t uid; /* file stat.st_uid */ uid_t uid; /* file stat.st_uid */
struct list entry; /* entry in global change notifications list */ struct list entry; /* entry in global change notifications list */
unsigned int filter; /* notification filter */ unsigned int filter; /* notification filter */
int notified; /* SIGIO counter */ volatile int notified; /* SIGIO counter */
int want_data; /* return change data */ int want_data; /* return change data */
int subtree; /* do we want to watch subdirectories? */ int subtree; /* do we want to watch subdirectories? */
struct list change_records; /* data for the change */ struct list change_records; /* data for the change */
@ -307,7 +307,7 @@ void do_change_notify( int unix_fd )
LIST_FOR_EACH_ENTRY( dir, &change_list, struct dir, entry ) LIST_FOR_EACH_ENTRY( dir, &change_list, struct dir, entry )
{ {
if (get_unix_fd( dir->fd ) != unix_fd) continue; if (get_unix_fd( dir->fd ) != unix_fd) continue;
interlocked_xchg_add( &dir->notified, 1 ); dir->notified = 1;
break; break;
} }
} }
@ -319,7 +319,8 @@ void sigio_callback(void)
LIST_FOR_EACH_ENTRY( dir, &change_list, struct dir, entry ) LIST_FOR_EACH_ENTRY( dir, &change_list, struct dir, entry )
{ {
if (interlocked_xchg( &dir->notified, 0 )) if (!dir->notified) continue;
dir->notified = 0;
fd_async_wake_up( dir->fd, ASYNC_TYPE_WAIT, STATUS_ALERTED ); fd_async_wake_up( dir->fd, ASYNC_TYPE_WAIT, STATUS_ALERTED );
} }
} }