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handle all possible cases of EAGAIN and EWOULDBLOCK being (un)defined and

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2009-01-29  Ryan Lortie  <desrt@desrt.ca>

        * gioerror.c (g_io_error_from_errno): handle all possible cases of
        EAGAIN and EWOULDBLOCK being (un)defined and (un)equal.


svn path=/trunk/; revision=7836
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Ryan Lortie 2009-01-29 15:55:11 +00:00 committed by Ryan Lortie
parent 129e86cf2c
commit 83e88655c0
2 changed files with 26 additions and 1 deletions
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5
gio/ChangeLog
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@ -1,3 +1,8 @@
2009-01-29 Ryan Lortie <desrt@desrt.ca>
* gioerror.c (g_io_error_from_errno): handle all possible cases of
EAGAIN and EWOULDBLOCK being (un)defined and (un)equal.
2009-01-28 Ryan Lortie <desrt@desrt.ca>
Bug 568575 – _async functions for GDataInputStream

22
gio/gioerror.c
View File

@ -162,10 +162,30 @@ g_io_error_from_errno (gint err_no)
break;
#endif
#ifdef EWOULDBLOCK
/* some magic to deal with EWOULDBLOCK and EAGAIN.
* apparently on HP-UX these are actually defined to different values,
* but on Linux, for example, they are the same.
*/
#if defined(EWOULDBLOCK) && defined(EAGAIN) && EWOULDBLOCK == EAGAIN
/* we have both and they are the same: only emit one case. */
case EAGAIN:
return G_IO_ERROR_WOULD_BLOCK;
break;
#else
/* else: consider each of them separately. this handles both the
* case of having only one and the case where they are different values.
*/
# ifdef EAGAIN
case EAGAIN:
return G_IO_ERROR_WOULD_BLOCK;
break;
# endif
# ifdef EWOULDBLOCK
case EWOULDBLOCK:
return G_IO_ERROR_WOULD_BLOCK;
break;
# endif
#endif
#ifdef EMFILE