1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
#define EFL_IO_WRITER_PROTECTED 1
#define EFL_IO_WRITER_FD_PROTECTED 1
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <Ecore.h>
#include "ecore_private.h"
#define MY_CLASS EFL_IO_WRITER_FD_CLASS
typedef struct _Efl_Io_Writer_Fd_Data
{
int fd;
Eina_Bool can_write;
} Efl_Io_Writer_Fd_Data;
EOLIAN static void
_efl_io_writer_fd_writer_fd_set(Eo *o EINA_UNUSED, Efl_Io_Writer_Fd_Data *pd, int fd)
{
pd->fd = fd;
}
EOLIAN static int
_efl_io_writer_fd_writer_fd_get(Eo *o EINA_UNUSED, Efl_Io_Writer_Fd_Data *pd)
{
return pd->fd;
}
EOLIAN static Eina_Error
_efl_io_writer_fd_efl_io_writer_write(Eo *o, Efl_Io_Writer_Fd_Data *pd EINA_UNUSED, Eina_Slice *ro_slice, Eina_Slice *remaining)
{
int fd = efl_io_writer_fd_get(o);
ssize_t r;
EINA_SAFETY_ON_NULL_RETURN_VAL(ro_slice, EINVAL);
if (fd < 0) goto error;
do
{
r = write(fd, ro_slice->mem, ro_slice->len);
if (r < 0)
{
if (errno == EINTR) continue;
if (remaining) *remaining = *ro_slice;
ro_slice->len = 0;
ro_slice->mem = NULL;
efl_io_writer_can_write_set(o, EINA_FALSE);
return errno;
}
}
while (r < 0);
if (remaining)
{
remaining->len = ro_slice->len - r;
remaining->bytes = ro_slice->bytes + r;
}
ro_slice->len = r;
if (r == 0) efl_io_writer_can_write_set(o, EINA_FALSE);
return 0;
error:
if (remaining) *remaining = *ro_slice;
ro_slice->len = 0;
ro_slice->mem = NULL;
efl_io_writer_can_write_set(o, EINA_FALSE);
return EINVAL;
}
EOLIAN static Eina_Bool
_efl_io_writer_fd_efl_io_writer_can_write_get(Eo *o EINA_UNUSED, Efl_Io_Writer_Fd_Data *pd)
{
return pd->can_write;
}
EOLIAN static void
_efl_io_writer_fd_efl_io_writer_can_write_set(Eo *o, Efl_Io_Writer_Fd_Data *pd, Eina_Bool can_write)
{
EINA_SAFETY_ON_TRUE_RETURN(efl_io_writer_fd_get(o) < 0 && can_write);
if (pd->can_write == can_write) return;
pd->can_write = can_write;
efl_event_callback_call(o, EFL_IO_WRITER_EVENT_CAN_WRITE_CHANGED, NULL);
}
#include "efl_io_writer_fd.eo.c"
|