forked from enlightenment/efl
90 lines
2.1 KiB
C
90 lines
2.1 KiB
C
#define EFL_IO_WRITER_PROTECTED 1
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#define EFL_IO_WRITER_FD_PROTECTED 1
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <Ecore.h>
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#include "ecore_private.h"
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#define MY_CLASS EFL_IO_WRITER_FD_CLASS
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typedef struct _Efl_Io_Writer_Fd_Data
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{
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int fd;
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Eina_Bool can_write;
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} Efl_Io_Writer_Fd_Data;
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EOLIAN static void
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_efl_io_writer_fd_writer_fd_set(Eo *o EINA_UNUSED, Efl_Io_Writer_Fd_Data *pd, int fd)
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{
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pd->fd = fd;
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}
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EOLIAN static int
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_efl_io_writer_fd_writer_fd_get(const Eo *o EINA_UNUSED, Efl_Io_Writer_Fd_Data *pd)
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{
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return pd->fd;
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}
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EOLIAN static Eina_Error
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_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)
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{
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int fd = efl_io_writer_fd_get(o);
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ssize_t r;
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EINA_SAFETY_ON_NULL_RETURN_VAL(ro_slice, EINVAL);
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if (fd < 0) goto error;
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do
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{
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r = write(fd, ro_slice->mem, ro_slice->len);
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if (r < 0)
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{
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if (errno == EINTR) continue;
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if (remaining) *remaining = *ro_slice;
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ro_slice->len = 0;
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ro_slice->mem = NULL;
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efl_io_writer_can_write_set(o, EINA_FALSE);
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return errno;
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}
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}
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while (r < 0);
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if (remaining)
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{
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remaining->len = ro_slice->len - r;
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remaining->bytes = ro_slice->bytes + r;
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}
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ro_slice->len = r;
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if (r == 0) efl_io_writer_can_write_set(o, EINA_FALSE);
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return 0;
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error:
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if (remaining) *remaining = *ro_slice;
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ro_slice->len = 0;
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ro_slice->mem = NULL;
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efl_io_writer_can_write_set(o, EINA_FALSE);
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return EINVAL;
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}
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EOLIAN static Eina_Bool
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_efl_io_writer_fd_efl_io_writer_can_write_get(const Eo *o EINA_UNUSED, Efl_Io_Writer_Fd_Data *pd)
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{
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return pd->can_write;
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}
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EOLIAN static void
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_efl_io_writer_fd_efl_io_writer_can_write_set(Eo *o, Efl_Io_Writer_Fd_Data *pd, Eina_Bool can_write)
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{
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EINA_SAFETY_ON_TRUE_RETURN(efl_io_writer_fd_get(o) < 0 && can_write);
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if (pd->can_write == can_write) return;
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pd->can_write = can_write;
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efl_event_callback_call(o, EFL_IO_WRITER_EVENT_CAN_WRITE_CHANGED, &can_write);
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}
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#include "efl_io_writer_fd.eo.c"
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