/*
- * $Id: curses.priv.h,v 1.386 2008/06/28 15:27:47 tom Exp $
+ * $Id: curses.priv.h,v 1.389 2008/08/16 23:14:43 tom Exp $
*
* curses.priv.h
*
#if USE_REENTRANT
#include <pthread.h>
+extern NCURSES_EXPORT(void) _nc_init_pthreads(void);
extern NCURSES_EXPORT(void) _nc_mutex_init(pthread_mutex_t *);
extern NCURSES_EXPORT(int) _nc_mutex_lock(pthread_mutex_t *);
extern NCURSES_EXPORT(int) _nc_mutex_trylock(pthread_mutex_t *);
#error POSIX threads requires --enable-reentrant option
#endif
+#if USE_WEAK_SYMBOLS
+#if defined(__GNUC__)
+# if defined __USE_ISOC99
+# define _cat_pragma(exp) _Pragma(#exp)
+# define _weak_pragma(exp) _cat_pragma(weak name)
+# else
+# define _weak_pragma(exp)
+# endif
+# define _declare(name) __extension__ extern __typeof__(name) name
+# define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
+#endif
+#endif
+
+#ifdef USE_PTHREADS
+# if USE_WEAK_SYMBOLS
+weak_symbol(pthread_sigmask);
+weak_symbol(pthread_self);
+weak_symbol(pthread_equal);
+weak_symbol(pthread_mutex_init);
+weak_symbol(pthread_mutex_lock);
+weak_symbol(pthread_mutex_unlock);
+weak_symbol(pthread_mutex_trylock);
+weak_symbol(pthread_mutexattr_settype);
+extern NCURSES_EXPORT(int) _nc_sigprocmask(int, const sigset_t *, sigset_t *);
+# undef sigprocmask
+# define sigprocmask _nc_sigprocmask
+# endif
+#endif
+
#if HAVE_NANOSLEEP
#undef HAVE_NANOSLEEP
#define HAVE_NANOSLEEP 0 /* nanosleep suspends all threads */
#else /* !USE_PTHREADS */
+#define _nc_init_pthreads() /* nothing */
#define _nc_mutex_init(obj) /* nothing */
#define _nc_lock_global(name) /* nothing */
#endif /* TRACE */
#ifdef USE_PTHREADS
- pthread_mutex_t mutex_curses;
- pthread_mutex_t mutex_tst_tracef;
- pthread_mutex_t mutex_tracef;
- int nested_tracef;
+ pthread_mutex_t mutex_curses;
+ pthread_mutex_t mutex_tst_tracef;
+ pthread_mutex_t mutex_tracef;
+ int nested_tracef;
+ int use_pthreads;
+#define _nc_use_pthreads _nc_globals.use_pthreads
#endif
} NCURSES_GLOBALS;
extern NCURSES_EXPORT(const char *) _nc_visbuf2 (int, const char *);
extern NCURSES_EXPORT(const char *) _nc_visbufn (const char *, int);
-#define empty_module(name) \
+#define EMPTY_MODULE(name) \
extern NCURSES_EXPORT(void) name (void); \
NCURSES_EXPORT(void) name (void) { }