1 //===-- Definition of a common mutex type ---------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_LIBC_TYPES___MUTEX_TYPE_H 10 #define LLVM_LIBC_TYPES___MUTEX_TYPE_H 11 12 #include "__futex_word.h" 13 14 typedef struct { 15 unsigned char __timed; 16 unsigned char __recursive; 17 unsigned char __robust; 18 19 void *__owner; 20 unsigned long long __lock_count; 21 22 #ifdef __linux__ 23 __futex_word __ftxw; 24 #else 25 #error "Mutex type not defined for the target platform." 26 #endif 27 } __mutex_type; 28 29 #endif // LLVM_LIBC_TYPES___MUTEX_TYPE_H 30