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minui: events: add ability to poll on non-input fds

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Change-Id: Iad52a6f2adcae0068d252d6163586f9d7b93121d
Signed-off-by: Dima Zavin <dima@android.com>
This commit is contained in:
Dima Zavin 2011-09-02 11:51:31 -07:00
parent bc29063bf4
commit 365836736c
2 changed files with 23 additions and 3 deletions
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25
minui/events.c
View File

@ -25,17 +25,19 @@
#include "minui.h"
#define MAX_DEVICES 16
#define MAX_MISC_FDS 16
struct fd_info {
ev_callback cb;
void *data;
};
static struct pollfd ev_fds[MAX_DEVICES];
static struct fd_info ev_fdinfo[MAX_DEVICES];
static struct pollfd ev_fds[MAX_DEVICES + MAX_MISC_FDS];
static struct fd_info ev_fdinfo[MAX_DEVICES + MAX_MISC_FDS];
static unsigned ev_count = 0;
static unsigned ev_dev_count = 0;
static unsigned ev_misc_count = 0;
int ev_init(ev_callback input_cb, void *data)
{
@ -56,18 +58,35 @@ int ev_init(ev_callback input_cb, void *data)
ev_fdinfo[ev_count].cb = input_cb;
ev_fdinfo[ev_count].data = data;
ev_count++;
if(ev_count == MAX_DEVICES) break;
ev_dev_count++;
if(ev_dev_count == MAX_DEVICES) break;
}
}
return 0;
}
int ev_add_fd(int fd, ev_callback cb, void *data)
{
if (ev_misc_count == MAX_MISC_FDS || cb == NULL)
return -1;
ev_fds[ev_count].fd = fd;
ev_fds[ev_count].events = POLLIN;
ev_fdinfo[ev_count].cb = cb;
ev_fdinfo[ev_count].data = data;
ev_count++;
ev_misc_count++;
return 0;
}
void ev_exit(void)
{
while (ev_count > 0) {
close(ev_fds[--ev_count].fd);
}
ev_misc_count = 0;
ev_dev_count = 0;
}
int ev_wait(int timeout)

1
minui/minui.h
View File

@ -49,6 +49,7 @@ typedef int (*ev_callback)(int fd, short revents, void *data);
int ev_init(ev_callback input_cb, void *data);
void ev_exit(void);
int ev_add_fd(int fd, ev_callback cb, void *data);
/* timeout has the same semantics as for poll
* 0 : don't block