diff options
Diffstat (limited to 'gtk/gtkimmodule.c')
| -rw-r--r-- | gtk/gtkimmodule.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gtk/gtkimmodule.c b/gtk/gtkimmodule.c index 405d87626f..47e6348ebe 100644 --- a/gtk/gtkimmodule.c +++ b/gtk/gtkimmodule.c @@ -64,6 +64,23 @@ #include "deprecated/gtkrc.h" +/* We need to call getc() a lot in a loop. This is suboptimal, + * as getc() does thread locking on the FILE it is given. + * To optimize that, lock the file first, then call getc(), + * then unlock. + * If locking functions are not present in libc, fall back + * to the suboptimal getc(). + */ +#if !defined(HAVE_FLOCKFILE) && !defined(HAVE__LOCK_FILE) +# define flockfile(f) (void)1 +# define funlockfile(f) (void)1 +# define getc_unlocked(f) getc(f) +#elif !defined(HAVE_FLOCKFILE) && defined(HAVE__LOCK_FILE) +# define flockfile(f) _lock_file(f) +# define funlockfile(f) _unlock_file(f) +# define getc_unlocked(f) _getc_nolock(f) +#endif + #define SIMPLE_ID "gtk-im-context-simple" #define NONE_ID "gtk-im-context-none" |