diff options
Diffstat (limited to 'libc/sysdeps/linux/mips/bits/libc-lock.h')
| -rw-r--r-- | libc/sysdeps/linux/mips/bits/libc-lock.h | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/libc/sysdeps/linux/mips/bits/libc-lock.h b/libc/sysdeps/linux/mips/bits/libc-lock.h index fa43d4839..2c1d16277 100644 --- a/libc/sysdeps/linux/mips/bits/libc-lock.h +++ b/libc/sysdeps/linux/mips/bits/libc-lock.h @@ -23,11 +23,17 @@ #include <pthread.h> /* Mutex type. */ -#ifdef _LIBC +#if defined(_LIBC) || defined(_IO_MTSAFE_IO) typedef pthread_mutex_t __libc_lock_t; +typedef struct { pthread_mutex_t mutex; } __libc_lock_recursive_t; +# ifdef __USE_UNIX98 typedef pthread_rwlock_t __libc_rwlock_t; +# else +typedef struct __libc_rwlock_opaque__ __libc_rwlock_t; +# endif #else typedef struct __libc_lock_opaque__ __libc_lock_t; +typedef struct __libc_lock_recursive_opaque__ __libc_lock_recursive_t; typedef struct __libc_rwlock_opaque__ __libc_rwlock_t; #endif @@ -45,6 +51,8 @@ typedef pthread_key_t __libc_key_t; CLASS __libc_lock_t NAME; #define __libc_rwlock_define(CLASS,NAME) \ CLASS __libc_rwlock_t NAME; +#define __libc_lock_define_recursive(CLASS,NAME) \ + CLASS __libc_lock_recursive_t NAME; /* Define an initialized lock variable NAME with storage class CLASS. @@ -69,7 +77,9 @@ typedef pthread_key_t __libc_key_t; /* Define an initialized recursive lock variable NAME with storage class CLASS. */ #define __libc_lock_define_initialized_recursive(CLASS,NAME) \ - CLASS __libc_lock_t NAME = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP; + CLASS __libc_lock_recursive_t NAME = _LIBC_LOCK_RECURSIVE_INITIALIZER; +#define _LIBC_LOCK_RECURSIVE_INITIALIZER \ + {PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP} /* Initialize the named lock variable, leaving it in a consistent, unlocked state. */ @@ -86,7 +96,7 @@ typedef pthread_key_t __libc_key_t; pthread_mutexattr_t __attr; \ __pthread_mutexattr_init (&__attr); \ __pthread_mutexattr_settype (&__attr, PTHREAD_MUTEX_RECURSIVE_NP); \ - __pthread_mutex_init (&(NAME), &__attr); \ + __pthread_mutex_init (&(NAME).mutex, &__attr); \ __pthread_mutexattr_destroy (&__attr); \ } \ } while (0); @@ -100,7 +110,7 @@ typedef pthread_key_t __libc_key_t; (__pthread_rwlock_destroy != NULL ? __pthread_rwlock_destroy (&(NAME)) : 0); /* Finalize recursive named lock. */ -#define __libc_lock_fini_recursive(NAME) __libc_lock_fini (NAME) +#define __libc_lock_fini_recursive(NAME) __libc_lock_fini ((NAME).mutex) /* Lock the named lock variable. */ #define __libc_lock_lock(NAME) \ @@ -111,7 +121,7 @@ typedef pthread_key_t __libc_key_t; (__pthread_rwlock_wrlock != NULL ? __pthread_rwlock_wrlock (&(NAME)) : 0); /* Lock the recursive named lock variable. */ -#define __libc_lock_lock_recursive(NAME) __libc_lock_lock (NAME) +#define __libc_lock_lock_recursive(NAME) __libc_lock_lock ((NAME).mutex) /* Try to lock the named lock variable. */ #define __libc_lock_trylock(NAME) \ @@ -124,7 +134,7 @@ typedef pthread_key_t __libc_key_t; ? __pthread_rwlock_trywrlock (&(NAME)) : 0) /* Try to lock the recursive named lock variable. */ -#define __libc_lock_trylock_recursive(NAME) __libc_lock_trylock (NAME) +#define __libc_lock_trylock_recursive(NAME) __libc_lock_trylock ((NAME).mutex) /* Unlock the named lock variable. */ #define __libc_lock_unlock(NAME) \ @@ -133,7 +143,7 @@ typedef pthread_key_t __libc_key_t; (__pthread_rwlock_unlock != NULL ? __pthread_rwlock_unlock (&(NAME)) : 0); /* Unlock the recursive named lock variable. */ -#define __libc_lock_unlock_recursive(NAME) __libc_lock_unlock (NAME) +#define __libc_lock_unlock_recursive(NAME) __libc_lock_unlock ((NAME).mutex) /* Define once control variable. */ @@ -160,9 +170,9 @@ typedef pthread_key_t __libc_key_t; /* Start critical region with cleanup. */ -#define __libc_cleanup_region_start(FCT, ARG) \ +#define __libc_cleanup_region_start(DOIT, FCT, ARG) \ { struct _pthread_cleanup_buffer _buffer; \ - int _avail = _pthread_cleanup_push_defer != NULL; \ + int _avail = (DOIT) && _pthread_cleanup_push_defer != NULL; \ if (_avail) { \ _pthread_cleanup_push_defer (&_buffer, (FCT), (ARG)); \ } @@ -200,8 +210,6 @@ typedef pthread_key_t __libc_key_t; /* Functions that are used by this file and are internal to the GNU C library. */ -__BEGIN_DECLS - extern int __pthread_mutex_init (pthread_mutex_t *__mutex, __const pthread_mutexattr_t *__mutex_attr); @@ -252,7 +260,6 @@ extern int __pthread_atfork (void (*__prepare) (void), void (*__parent) (void), void (*__child) (void)); -__END_DECLS /* Make the pthread functions weak so that we can elide them from |