diff options
Diffstat (limited to 'libc/sysdeps/linux/common/bits/uClibc_mutex.h')
| -rw-r--r-- | libc/sysdeps/linux/common/bits/uClibc_mutex.h | 58 |
1 files changed, 55 insertions, 3 deletions
diff --git a/libc/sysdeps/linux/common/bits/uClibc_mutex.h b/libc/sysdeps/linux/common/bits/uClibc_mutex.h index b202a6bd2..e31767787 100644 --- a/libc/sysdeps/linux/common/bits/uClibc_mutex.h +++ b/libc/sysdeps/linux/common/bits/uClibc_mutex.h @@ -12,8 +12,7 @@ #ifdef __UCLIBC_HAS_THREADS__ -#include <pthread.h> -#include <bits/uClibc_pthread.h> +#include <bits/pthreadtypes.h> #define __UCLIBC_MUTEX_TYPE pthread_mutex_t @@ -36,7 +35,7 @@ struct _pthread_cleanup_buffer __infunc_pthread_cleanup_buffer; \ if (C) { \ _pthread_cleanup_push_defer(&__infunc_pthread_cleanup_buffer, \ - __uclibc_mutex_unlock, \ + (void (*) (void *))__pthread_mutex_unlock, \ &(M)); \ __pthread_mutex_lock(&(M)); \ } \ @@ -62,6 +61,53 @@ #define __UCLIBC_MUTEX_UNLOCK(M) \ __UCLIBC_MUTEX_CONDITIONAL_UNLOCK(M, 1) +#ifdef __USE_STDIO_FUTEXES__ + +#include <bits/stdio-lock.h> + +#define __UCLIBC_IO_MUTEX(M) _IO_lock_t M +#define __UCLIBC_IO_MUTEX_LOCK(M) _IO_lock_lock(M) +#define __UCLIBC_IO_MUTEX_UNLOCK(M) _IO_lock_unlock(M) +#define __UCLIBC_IO_MUTEX_TRYLOCK(M) _IO_lock_trylock(M) +#define __UCLIBC_IO_MUTEX_INIT(M,I) _IO_lock_t M = I +#define __UCLIBC_IO_MUTEX_EXTERN(M) extern _IO_lock_t M + +#define __UCLIBC_IO_MUTEX_CONDITIONAL_LOCK(M,C) \ + if (C) { \ + _IO_lock_lock(M); \ + } + +#define __UCLIBC_IO_MUTEX_CONDITIONAL_UNLOCK(M,C) \ + if (C) { \ + _IO_lock_unlock(M); \ + } + +#define __UCLIBC_IO_MUTEX_AUTO_LOCK(M,A,V) \ + __UCLIBC_IO_MUTEX_CONDITIONAL_LOCK(M,((A=(V))) == 0) + +#define __UCLIBC_IO_MUTEX_AUTO_UNLOCK(M,A) \ + __UCLIBC_IO_MUTEX_CONDITIONAL_UNLOCK(M,((A) ==0)) + +#define __UCLIBC_IO_MUTEX_LOCK_CANCEL_UNSAFE(M) \ + __UCLIBC_IO_MUTEX_LOCK(M) +#define __UCLIBC_IO_MUTEX_UNLOCK_CANCEL_UNSAFE(M) \ + __UCLIBC_IO_MUTEX_UNLOCK(M) +#define __UCLIBC_IO_MUTEX_TRYLOCK_CANCEL_UNSAFE(M) \ + __UCLIBC_IO_MUTEX_TRYLOCK(M) + +#else +#define __UCLIBC_IO_MUTEX(M) __UCLIBC_MUTEX(M) +#define __UCLIBC_IO_MUTEX_LOCK(M) __UCLIBC_MUTEX_CONDITIONAL_LOCK(M, 1) +#define __UCLIBC_IO_MUTEX_UNLOCK(M) __UCLIBC_MUTEX_CONDITIONAL_UNLOCK(M, 1) +#define __UCLIBC_IO_MUTEX_TRYLOCK(M) __UCLIBC_MUTEX_TRYLOCK_CANCEL_UNSAFE +#define __UCLIBC_IO_MUTEX_INIT(M,I) __UCLIBC_MUTEX_INIT(M,I) +#define __UCLIBC_IO_MUTEX_EXTERN(M) __UCLIBC_MUTEX_EXTERN(M) + +#define __UCLIBC_IO_MUTEX_AUTO_LOCK(M,A,V) __UCLIBC_MUTEX_AUTO_LOCK(M,A,V) +#define __UCLIBC_IO_MUTEX_AUTO_UNLOCK(M,A) __UCLIBC_MUTEX_AUTO_UNLOCK(M,A) + +#endif + #else #define __UCLIBC_MUTEX(M) void *__UCLIBC_MUTEX_DUMMY_ ## M @@ -83,6 +129,12 @@ #define __UCLIBC_MUTEX_LOCK(M) ((void)0) #define __UCLIBC_MUTEX_UNLOCK(M) ((void)0) +#define __UCLIBC_IO_MUTEX_LOCK(M) ((void)0) +#define __UCLIBC_IO_MUTEX_UNLOCK(M) ((void)0) +#define __UCLIBC_IO_MUTEX_TRYLOCK(M) ((void)0) +#define __UCLIBC_IO_MUTEX_INIT(M,I) extern void *__UCLIBC_MUTEX_DUMMY_ ## M +#define __UCLIBC_IO_MUTEX_EXTERN(M) extern void *__UCLIBC_MUTEX_DUMMY_ ## M #endif + #endif /* _UCLIBC_MUTEX_H */ |