diff options
Diffstat (limited to 'libc/stdio/_stdio.h')
| -rw-r--r-- | libc/stdio/_stdio.h | 74 |
1 files changed, 65 insertions, 9 deletions
diff --git a/libc/stdio/_stdio.h b/libc/stdio/_stdio.h index 348f5ec5d..6647a6f0e 100644 --- a/libc/stdio/_stdio.h +++ b/libc/stdio/_stdio.h @@ -23,20 +23,76 @@ #ifdef __UCLIBC_HAS_THREADS__ #include <pthread.h> -#define __STDIO_THREADLOCK_OPENLIST \ - __pthread_mutex_lock(&_stdio_openlist_lock) +#define __STDIO_THREADLOCK_OPENLIST_ADD \ + do { \ + struct _pthread_cleanup_buffer __infunc_pthread_cleanup_buffer; \ + _pthread_cleanup_push_defer(&__infunc_pthread_cleanup_buffer, \ + __pthread_mutex_unlock, \ + &_stdio_openlist_add_lock); \ + __pthread_mutex_lock(&_stdio_openlist_add_lock); \ -#define __STDIO_THREADUNLOCK_OPENLIST \ - __pthread_mutex_unlock(&_stdio_openlist_lock) +#define __STDIO_THREADUNLOCK_OPENLIST_ADD \ + _pthread_cleanup_pop_restore(&__infunc_pthread_cleanup_buffer,1); \ + } while (0) -#define __STDIO_THREADTRYLOCK_OPENLIST \ - __pthread_mutex_trylock(&_stdio_openlist_lock) -#else +#ifdef __STDIO_BUFFERS -#define __STDIO_THREADLOCK_OPENLIST ((void)0) -#define __STDIO_THREADUNLOCK_OPENLIST ((void)0) +#define __STDIO_THREADLOCK_OPENLIST_DEL \ + do { \ + struct _pthread_cleanup_buffer __infunc_pthread_cleanup_buffer; \ + _pthread_cleanup_push_defer(&__infunc_pthread_cleanup_buffer, \ + __pthread_mutex_unlock, \ + &_stdio_openlist_del_lock); \ + __pthread_mutex_lock(&_stdio_openlist_del_lock); \ + +#define __STDIO_THREADUNLOCK_OPENLIST_DEL \ + _pthread_cleanup_pop_restore(&__infunc_pthread_cleanup_buffer,1); \ + } while (0) + +#define __STDIO_OPENLIST_INC_USE \ +do { \ + __STDIO_THREADLOCK_OPENLIST_DEL; \ + ++_stdio_openlist_use_count; \ + __STDIO_THREADUNLOCK_OPENLIST_DEL; \ +} while (0) + +extern void _stdio_openlist_dec_use(void); + +#define __STDIO_OPENLIST_DEC_USE \ + _stdio_openlist_dec_use() + +#define __STDIO_OPENLIST_INC_DEL_CNT \ +do { \ + __STDIO_THREADLOCK_OPENLIST_DEL; \ + ++_stdio_openlist_del_count; \ + __STDIO_THREADUNLOCK_OPENLIST_DEL; \ +} while (0) + +#define __STDIO_OPENLIST_DEC_DEL_CNT \ +do { \ + __STDIO_THREADLOCK_OPENLIST_DEL; \ + --_stdio_openlist_del_count; \ + __STDIO_THREADUNLOCK_OPENLIST_DEL; \ +} while (0) + +#endif + +#endif /* __UCLIBC_HAS_THREADS__ */ + +#ifndef __STDIO_THREADLOCK_OPENLIST_ADD +#define __STDIO_THREADLOCK_OPENLIST_ADD ((void)0) +#define __STDIO_THREADUNLOCK_OPENLIST_ADD ((void)0) +#endif +#ifndef __STDIO_THREADLOCK_OPENLIST_DEL +#define __STDIO_THREADLOCK_OPENLIST_DEL ((void)0) +#define __STDIO_THREADUNLOCK_OPENLIST_DEL ((void)0) +/* #define __STDIO_OPENLIST_USE_CNT() (0) */ +#define __STDIO_OPENLIST_INC_USE ((void)0) +#define __STDIO_OPENLIST_DEC_USE ((void)0) +#define __STDIO_OPENLIST_INC_DEL_CNT ((void)0) +#define __STDIO_OPENLIST_DEC_DEL_CNT ((void)0) #endif #define __UNDEFINED_OR_NONPORTABLE ((void)0) |