diff options
Diffstat (limited to 'include/cutils')
-rw-r--r-- | include/cutils/android_reboot.h | 2 | ||||
-rw-r--r-- | include/cutils/aref.h | 4 | ||||
-rw-r--r-- | include/cutils/atomic-arm.h | 167 | ||||
-rw-r--r-- | include/cutils/atomic-arm64.h | 156 | ||||
-rw-r--r-- | include/cutils/atomic-inline.h | 72 | ||||
-rw-r--r-- | include/cutils/atomic-mips.h | 174 | ||||
-rw-r--r-- | include/cutils/atomic-mips64.h | 166 | ||||
-rw-r--r-- | include/cutils/atomic-x86.h | 145 | ||||
-rw-r--r-- | include/cutils/atomic-x86_64.h | 151 | ||||
-rw-r--r-- | include/cutils/atomic.h | 133 | ||||
-rw-r--r-- | include/cutils/cpu_info.h | 34 | ||||
-rw-r--r-- | include/cutils/debugger.h | 40 | ||||
-rw-r--r-- | include/cutils/dir_hash.h | 26 | ||||
-rw-r--r-- | include/cutils/klog.h | 4 | ||||
-rw-r--r-- | include/cutils/memory.h | 2 | ||||
-rw-r--r-- | include/cutils/open_memstream.h | 4 | ||||
-rw-r--r-- | include/cutils/partition_utils.h | 1 | ||||
-rw-r--r-- | include/cutils/properties.h | 16 | ||||
-rw-r--r-- | include/cutils/sockets.h | 30 | ||||
-rw-r--r-- | include/cutils/str_parms.h | 5 | ||||
-rw-r--r-- | include/cutils/threads.h | 27 | ||||
-rw-r--r-- | include/cutils/trace.h | 74 | ||||
-rw-r--r-- | include/cutils/uevent.h | 1 |
23 files changed, 172 insertions, 1262 deletions
diff --git a/include/cutils/android_reboot.h b/include/cutils/android_reboot.h index 8c30e8e..85e1b7e 100644 --- a/include/cutils/android_reboot.h +++ b/include/cutils/android_reboot.h @@ -27,7 +27,7 @@ __BEGIN_DECLS /* Properties */ #define ANDROID_RB_PROPERTY "sys.powerctl" -int android_reboot(int cmd, int flags, char *arg); +int android_reboot(int cmd, int flags, const char *arg); __END_DECLS diff --git a/include/cutils/aref.h b/include/cutils/aref.h index 460ac02..3bd36ea 100644 --- a/include/cutils/aref.h +++ b/include/cutils/aref.h @@ -20,11 +20,7 @@ #include <stddef.h> #include <sys/cdefs.h> -#ifdef ANDROID_SMP -#include <cutils/atomic-inline.h> -#else #include <cutils/atomic.h> -#endif __BEGIN_DECLS diff --git a/include/cutils/atomic-arm.h b/include/cutils/atomic-arm.h deleted file mode 100644 index 6b031b6..0000000 --- a/include/cutils/atomic-arm.h +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2010 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef ANDROID_CUTILS_ATOMIC_ARM_H -#define ANDROID_CUTILS_ATOMIC_ARM_H - -#include <stdint.h> - -#ifndef ANDROID_ATOMIC_INLINE -#define ANDROID_ATOMIC_INLINE inline __attribute__((always_inline)) -#endif - -extern ANDROID_ATOMIC_INLINE void android_compiler_barrier() -{ - __asm__ __volatile__ ("" : : : "memory"); -} - -extern ANDROID_ATOMIC_INLINE void android_memory_barrier() -{ -#if ANDROID_SMP == 0 - android_compiler_barrier(); -#else - __asm__ __volatile__ ("dmb" : : : "memory"); -#endif -} - -extern ANDROID_ATOMIC_INLINE -int32_t android_atomic_acquire_load(volatile const int32_t *ptr) -{ - int32_t value = *ptr; - android_memory_barrier(); - return value; -} - -extern ANDROID_ATOMIC_INLINE -int32_t android_atomic_release_load(volatile const int32_t *ptr) -{ - android_memory_barrier(); - return *ptr; -} - -extern ANDROID_ATOMIC_INLINE -void android_atomic_acquire_store(int32_t value, volatile int32_t *ptr) -{ - *ptr = value; - android_memory_barrier(); -} - -extern ANDROID_ATOMIC_INLINE -void android_atomic_release_store(int32_t value, volatile int32_t *ptr) -{ - android_memory_barrier(); - *ptr = value; -} - -extern ANDROID_ATOMIC_INLINE -int android_atomic_cas(int32_t old_value, int32_t new_value, - volatile int32_t *ptr) -{ - int32_t prev, status; - do { - __asm__ __volatile__ ("ldrex %0, [%3]\n" - "mov %1, #0\n" - "teq %0, %4\n" -#ifdef __thumb2__ - "it eq\n" -#endif - "strexeq %1, %5, [%3]" - : "=&r" (prev), "=&r" (status), "+m"(*ptr) - : "r" (ptr), "Ir" (old_value), "r" (new_value) - : "cc"); - } while (__builtin_expect(status != 0, 0)); - return prev != old_value; -} - -extern ANDROID_ATOMIC_INLINE -int android_atomic_acquire_cas(int32_t old_value, int32_t new_value, - volatile int32_t *ptr) -{ - int status = android_atomic_cas(old_value, new_value, ptr); - android_memory_barrier(); - return status; -} - -extern ANDROID_ATOMIC_INLINE -int android_atomic_release_cas(int32_t old_value, int32_t new_value, - volatile int32_t *ptr) -{ - android_memory_barrier(); - return android_atomic_cas(old_value, new_value, ptr); -} - -extern ANDROID_ATOMIC_INLINE -int32_t android_atomic_add(int32_t increment, volatile int32_t *ptr) -{ - int32_t prev, tmp, status; - android_memory_barrier(); - do { - __asm__ __volatile__ ("ldrex %0, [%4]\n" - "add %1, %0, %5\n" - "strex %2, %1, [%4]" - : "=&r" (prev), "=&r" (tmp), - "=&r" (status), "+m" (*ptr) - : "r" (ptr), "Ir" (increment) - : "cc"); - } while (__builtin_expect(status != 0, 0)); - return prev; -} - -extern ANDROID_ATOMIC_INLINE int32_t android_atomic_inc(volatile int32_t *addr) -{ - return android_atomic_add(1, addr); -} - -extern ANDROID_ATOMIC_INLINE int32_t android_atomic_dec(volatile int32_t *addr) -{ - return android_atomic_add(-1, addr); -} - -extern ANDROID_ATOMIC_INLINE -int32_t android_atomic_and(int32_t value, volatile int32_t *ptr) -{ - int32_t prev, tmp, status; - android_memory_barrier(); - do { - __asm__ __volatile__ ("ldrex %0, [%4]\n" - "and %1, %0, %5\n" - "strex %2, %1, [%4]" - : "=&r" (prev), "=&r" (tmp), - "=&r" (status), "+m" (*ptr) - : "r" (ptr), "Ir" (value) - : "cc"); - } while (__builtin_expect(status != 0, 0)); - return prev; -} - -extern ANDROID_ATOMIC_INLINE -int32_t android_atomic_or(int32_t value, volatile int32_t *ptr) -{ - int32_t prev, tmp, status; - android_memory_barrier(); - do { - __asm__ __volatile__ ("ldrex %0, [%4]\n" - "orr %1, %0, %5\n" - "strex %2, %1, [%4]" - : "=&r" (prev), "=&r" (tmp), - "=&r" (status), "+m" (*ptr) - : "r" (ptr), "Ir" (value) - : "cc"); - } while (__builtin_expect(status != 0, 0)); - return prev; -} - -#endif /* ANDROID_CUTILS_ATOMIC_ARM_H */ diff --git a/include/cutils/atomic-arm64.h b/include/cutils/atomic-arm64.h deleted file mode 100644 index 7ae47d7..0000000 --- a/include/cutils/atomic-arm64.h +++ /dev/null @@ -1,156 +0,0 @@ -/* - * Copyright (C) 2014 The Android Open Source Project - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT - * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#ifndef ANDROID_CUTILS_ATOMIC_AARCH64_H -#define ANDROID_CUTILS_ATOMIC_AARCH64_H - -#include <stdint.h> - -#ifndef ANDROID_ATOMIC_INLINE -#define ANDROID_ATOMIC_INLINE inline __attribute__((always_inline)) -#endif - -/* - TODOAArch64: Revisit the below functions and check for potential - optimizations using assembly code or otherwise. -*/ - -extern ANDROID_ATOMIC_INLINE -void android_compiler_barrier(void) -{ - __asm__ __volatile__ ("" : : : "memory"); -} - -extern ANDROID_ATOMIC_INLINE -void android_memory_barrier(void) -{ - __asm__ __volatile__ ("dmb ish" : : : "memory"); -} - -extern ANDROID_ATOMIC_INLINE -int32_t android_atomic_acquire_load(volatile const int32_t *ptr) -{ - int32_t value = *ptr; - android_memory_barrier(); - return value; -} - -extern ANDROID_ATOMIC_INLINE -int32_t android_atomic_release_load(volatile const int32_t *ptr) -{ - android_memory_barrier(); - return *ptr; -} - -extern ANDROID_ATOMIC_INLINE -void android_atomic_acquire_store(int32_t value, volatile int32_t *ptr) -{ - *ptr = value; - android_memory_barrier(); -} - -extern ANDROID_ATOMIC_INLINE -void android_atomic_release_store(int32_t value, volatile int32_t *ptr) -{ - android_memory_barrier(); - *ptr = value; -} - -extern ANDROID_ATOMIC_INLINE -int android_atomic_cas(int32_t old_value, int32_t new_value, - volatile int32_t *ptr) -{ - return __sync_val_compare_and_swap(ptr, old_value, new_value) != old_value; -} - -extern ANDROID_ATOMIC_INLINE -int android_atomic_acquire_cas(int32_t old_value, int32_t new_value, - volatile int32_t *ptr) -{ - int status = android_atomic_cas(old_value, new_value, ptr); - android_memory_barrier(); - return status; -} - -extern ANDROID_ATOMIC_INLINE -int android_atomic_release_cas(int32_t old_value, int32_t new_value, - volatile int32_t *ptr) -{ - android_memory_barrier(); - return android_atomic_cas(old_value, new_value, ptr); -} - -extern ANDROID_ATOMIC_INLINE -int32_t android_atomic_add(int32_t increment, volatile int32_t *ptr) -{ - int32_t prev, status; - android_memory_barrier(); - do { - prev = *ptr; - status = android_atomic_cas(prev, prev + increment, ptr); - } while (__builtin_expect(status != 0, 0)); - return prev; -} - -extern ANDROID_ATOMIC_INLINE -int32_t android_atomic_inc(volatile int32_t *addr) -{ - return android_atomic_add(1, addr); -} - -extern ANDROID_ATOMIC_INLINE -int32_t android_atomic_dec(volatile int32_t *addr) -{ - return android_atomic_add(-1, addr); -} - -extern ANDROID_ATOMIC_INLINE -int32_t android_atomic_and(int32_t value, volatile int32_t *ptr) -{ - int32_t prev, status; - android_memory_barrier(); - do { - prev = *ptr; - status = android_atomic_cas(prev, prev & value, ptr); - } while (__builtin_expect(status != 0, 0)); - return prev; -} - -extern ANDROID_ATOMIC_INLINE -int32_t android_atomic_or(int32_t value, volatile int32_t *ptr) -{ - int32_t prev, status; - android_memory_barrier(); - do { - prev = *ptr; - status = android_atomic_cas(prev, prev | value, ptr); - } while (__builtin_expect(status != 0, 0)); - return prev; -} - -#endif /* ANDROID_CUTILS_ATOMIC_AARCH64_H */ diff --git a/include/cutils/atomic-inline.h b/include/cutils/atomic-inline.h deleted file mode 100644 index a31e913..0000000 --- a/include/cutils/atomic-inline.h +++ /dev/null @@ -1,72 +0,0 @@ -/* - * Copyright (C) 2010 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef ANDROID_CUTILS_ATOMIC_INLINE_H -#define ANDROID_CUTILS_ATOMIC_INLINE_H - -#ifdef __cplusplus -extern "C" { -#endif - -/* - * Inline declarations and macros for some special-purpose atomic - * operations. These are intended for rare circumstances where a - * memory barrier needs to be issued inline rather than as a function - * call. - * - * Most code should not use these. - * - * Anything that does include this file must set ANDROID_SMP to either - * 0 or 1, indicating compilation for UP or SMP, respectively. - * - * Macros defined in this header: - * - * void ANDROID_MEMBAR_FULL(void) - * Full memory barrier. Provides a compiler reordering barrier, and - * on SMP systems emits an appropriate instruction. - */ - -#if !defined(ANDROID_SMP) -# error "Must define ANDROID_SMP before including atomic-inline.h" -#endif - -#if defined(__aarch64__) -#include <cutils/atomic-arm64.h> -#elif defined(__arm__) -#include <cutils/atomic-arm.h> -#elif defined(__i386__) -#include <cutils/atomic-x86.h> -#elif defined(__x86_64__) -#include <cutils/atomic-x86_64.h> -#elif defined(__mips64) -#include <cutils/atomic-mips64.h> -#elif defined(__mips__) -#include <cutils/atomic-mips.h> -#else -#error atomic operations are unsupported -#endif - -#if ANDROID_SMP == 0 -#define ANDROID_MEMBAR_FULL android_compiler_barrier -#else -#define ANDROID_MEMBAR_FULL android_memory_barrier -#endif - -#ifdef __cplusplus -} -#endif - -#endif /* ANDROID_CUTILS_ATOMIC_INLINE_H */ diff --git a/include/cutils/atomic-mips.h b/include/cutils/atomic-mips.h deleted file mode 100644 index 5d4f097..0000000 --- a/include/cutils/atomic-mips.h +++ /dev/null @@ -1,174 +0,0 @@ -/* - * Copyright (C) 2010 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef ANDROID_CUTILS_ATOMIC_MIPS_H -#define ANDROID_CUTILS_ATOMIC_MIPS_H - -#include <stdint.h> - -#ifndef ANDROID_ATOMIC_INLINE -#define ANDROID_ATOMIC_INLINE inline __attribute__((always_inline)) -#endif - -extern ANDROID_ATOMIC_INLINE void android_compiler_barrier(void) -{ - __asm__ __volatile__ ("" : : : "memory"); -} - -#if ANDROID_SMP == 0 -extern ANDROID_ATOMIC_INLINE void android_memory_barrier(void) -{ - android_compiler_barrier(); -} -#else -extern ANDROID_ATOMIC_INLINE void android_memory_barrier(void) -{ - __asm__ __volatile__ ("sync" : : : "memory"); -} -#endif - -extern ANDROID_ATOMIC_INLINE int32_t -android_atomic_acquire_load(volatile const int32_t *ptr) -{ - int32_t value = *ptr; - android_memory_barrier(); - return value; -} - -extern ANDROID_ATOMIC_INLINE int32_t -android_atomic_release_load(volatile const int32_t *ptr) -{ - android_memory_barrier(); - return *ptr; -} - -extern ANDROID_ATOMIC_INLINE void -android_atomic_acquire_store(int32_t value, volatile int32_t *ptr) -{ - *ptr = value; - android_memory_barrier(); -} - -extern ANDROID_ATOMIC_INLINE void -android_atomic_release_store(int32_t value, volatile int32_t *ptr) -{ - android_memory_barrier(); - *ptr = value; -} - -extern ANDROID_ATOMIC_INLINE int -android_atomic_cas(int32_t old_value, int32_t new_value, volatile int32_t *ptr) -{ - int32_t prev, status; - do { - __asm__ __volatile__ ( - " ll %[prev], (%[ptr])\n" - " li %[status], 1\n" - " bne %[prev], %[old], 9f\n" - " move %[status], %[new_value]\n" - " sc %[status], (%[ptr])\n" - "9:\n" - : [prev] "=&r" (prev), [status] "=&r" (status) - : [ptr] "r" (ptr), [old] "r" (old_value), [new_value] "r" (new_value) - ); - } while (__builtin_expect(status == 0, 0)); - return prev != old_value; -} - -extern ANDROID_ATOMIC_INLINE int -android_atomic_acquire_cas(int32_t old_value, - int32_t new_value, - volatile int32_t *ptr) -{ - int status = android_atomic_cas(old_value, new_value, ptr); - android_memory_barrier(); - return status; -} - -extern ANDROID_ATOMIC_INLINE int -android_atomic_release_cas(int32_t old_value, - int32_t new_value, - volatile int32_t *ptr) -{ - android_memory_barrier(); - return android_atomic_cas(old_value, new_value, ptr); -} - - -extern ANDROID_ATOMIC_INLINE int32_t -android_atomic_add(int32_t increment, volatile int32_t *ptr) -{ - int32_t prev, status; - android_memory_barrier(); - do { - __asm__ __volatile__ ( - " ll %[prev], (%[ptr])\n" - " addu %[status], %[prev], %[inc]\n" - " sc %[status], (%[ptr])\n" - : [status] "=&r" (status), [prev] "=&r" (prev) - : [ptr] "r" (ptr), [inc] "Ir" (increment) - ); - } while (__builtin_expect(status == 0, 0)); - return prev; -} - -extern ANDROID_ATOMIC_INLINE int32_t -android_atomic_inc(volatile int32_t *addr) -{ - return android_atomic_add(1, addr); -} - -extern ANDROID_ATOMIC_INLINE int32_t -android_atomic_dec(volatile int32_t *addr) -{ - return android_atomic_add(-1, addr); -} - -extern ANDROID_ATOMIC_INLINE int32_t -android_atomic_and(int32_t value, volatile int32_t *ptr) -{ - int32_t prev, status; - android_memory_barrier(); - do { - __asm__ __volatile__ ( - " ll %[prev], (%[ptr])\n" - " and %[status], %[prev], %[value]\n" - " sc %[status], (%[ptr])\n" - : [prev] "=&r" (prev), [status] "=&r" (status) - : [ptr] "r" (ptr), [value] "Ir" (value) - ); - } while (__builtin_expect(status == 0, 0)); - return prev; -} - -extern ANDROID_ATOMIC_INLINE int32_t -android_atomic_or(int32_t value, volatile int32_t *ptr) -{ - int32_t prev, status; - android_memory_barrier(); - do { - __asm__ __volatile__ ( - " ll %[prev], (%[ptr])\n" - " or %[status], %[prev], %[value]\n" - " sc %[status], (%[ptr])\n" - : [prev] "=&r" (prev), [status] "=&r" (status) - : [ptr] "r" (ptr), [value] "Ir" (value) - ); - } while (__builtin_expect(status == 0, 0)); - return prev; -} - -#endif /* ANDROID_CUTILS_ATOMIC_MIPS_H */ diff --git a/include/cutils/atomic-mips64.h b/include/cutils/atomic-mips64.h deleted file mode 100644 index 9d8f65e..0000000 --- a/include/cutils/atomic-mips64.h +++ /dev/null @@ -1,166 +0,0 @@ -/* - * Copyright (C) 2010 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef ANDROID_CUTILS_ATOMIC_MIPS64_H -#define ANDROID_CUTILS_ATOMIC_MIPS64_H - -#include <stdint.h> - -#ifndef ANDROID_ATOMIC_INLINE -#define ANDROID_ATOMIC_INLINE inline __attribute__((always_inline)) -#endif - -extern ANDROID_ATOMIC_INLINE void android_compiler_barrier(void) -{ - __asm__ __volatile__ ("" : : : "memory"); -} - -extern ANDROID_ATOMIC_INLINE void android_memory_barrier(void) -{ - __asm__ __volatile__ ("sync" : : : "memory"); -} - -extern ANDROID_ATOMIC_INLINE -int32_t android_atomic_acquire_load(volatile const int32_t *ptr) -{ - int32_t value = *ptr; - android_memory_barrier(); - return value; -} - -extern ANDROID_ATOMIC_INLINE -int32_t android_atomic_release_load(volatile const int32_t *ptr) -{ - android_memory_barrier(); - return *ptr; -} - -extern ANDROID_ATOMIC_INLINE -void android_atomic_acquire_store(int32_t value, volatile int32_t *ptr) -{ - *ptr = value; - android_memory_barrier(); -} - -extern ANDROID_ATOMIC_INLINE -void android_atomic_release_store(int32_t value, volatile int32_t *ptr) -{ - android_memory_barrier(); - *ptr = value; -} - -extern ANDROID_ATOMIC_INLINE -int android_atomic_cas(int32_t old_value, int32_t new_value, volatile int32_t *ptr) -{ - int32_t prev, status; - do { - __asm__ __volatile__ ( - " ll %[prev], (%[ptr])\n" - " li %[status], 1\n" - " bne %[prev], %[old], 9f\n" - " move %[status], %[new_value]\n" - " sc %[status], (%[ptr])\n" - "9:\n" - : [prev] "=&r" (prev), [status] "=&r" (status) - : [ptr] "r" (ptr), [old] "r" (old_value), [new_value] "r" (new_value) - ); - } while (__builtin_expect(status == 0, 0)); - return prev != old_value; -} - -extern ANDROID_ATOMIC_INLINE -int android_atomic_acquire_cas(int32_t old_value, - int32_t new_value, - volatile int32_t *ptr) -{ - int status = android_atomic_cas(old_value, new_value, ptr); - android_memory_barrier(); - return status; -} - -extern ANDROID_ATOMIC_INLINE -int android_atomic_release_cas(int32_t old_value, - int32_t new_value, - volatile int32_t *ptr) -{ - android_memory_barrier(); - return android_atomic_cas(old_value, new_value, ptr); -} - -extern ANDROID_ATOMIC_INLINE -int32_t android_atomic_add(int32_t increment, volatile int32_t *ptr) -{ - int32_t prev, status; - android_memory_barrier(); - do { - __asm__ __volatile__ ( - " ll %[prev], (%[ptr])\n" - " addu %[status], %[prev], %[inc]\n" - " sc %[status], (%[ptr])\n" - : [status] "=&r" (status), [prev] "=&r" (prev) - : [ptr] "r" (ptr), [inc] "Ir" (increment) - ); - } while (__builtin_expect(status == 0, 0)); - return prev; -} - -extern ANDROID_ATOMIC_INLINE int32_t -android_atomic_inc(volatile int32_t *addr) -{ - return android_atomic_add(1, addr); -} - -extern ANDROID_ATOMIC_INLINE int32_t -android_atomic_dec(volatile int32_t *addr) -{ - return android_atomic_add(-1, addr); -} - -extern ANDROID_ATOMIC_INLINE int32_t -android_atomic_and(int32_t value, volatile int32_t *ptr) -{ - int32_t prev, status; - android_memory_barrier(); - do { - __asm__ __volatile__ ( - " ll %[prev], (%[ptr])\n" - " and %[status], %[prev], %[value]\n" - " sc %[status], (%[ptr])\n" - : [prev] "=&r" (prev), [status] "=&r" (status) - : [ptr] "r" (ptr), [value] "Ir" (value) - ); - } while (__builtin_expect(status == 0, 0)); - return prev; -} - -extern ANDROID_ATOMIC_INLINE int32_t -android_atomic_or(int32_t value, volatile int32_t *ptr) -{ - int32_t prev, status; - android_memory_barrier(); - do { - __asm__ __volatile__ ( - " ll %[prev], (%[ptr])\n" - " or %[status], %[prev], %[value]\n" - " sc %[status], (%[ptr])\n" - : [prev] "=&r" (prev), [status] "=&r" (status) - : [ptr] "r" (ptr), [value] "Ir" (value) - ); - } while (__builtin_expect(status == 0, 0)); - return prev; -} - -#endif /* ANDROID_CUTILS_ATOMIC_MIPS_H */ diff --git a/include/cutils/atomic-x86.h b/include/cutils/atomic-x86.h deleted file mode 100644 index 06bf1a3..0000000 --- a/include/cutils/atomic-x86.h +++ /dev/null @@ -1,145 +0,0 @@ -/* - * Copyright (C) 2010 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef ANDROID_CUTILS_ATOMIC_X86_H -#define ANDROID_CUTILS_ATOMIC_X86_H - -#include <stdint.h> - -#ifndef ANDROID_ATOMIC_INLINE -#define ANDROID_ATOMIC_INLINE inline __attribute__((always_inline)) -#endif - -extern ANDROID_ATOMIC_INLINE void android_compiler_barrier(void) -{ - __asm__ __volatile__ ("" : : : "memory"); -} - -#if ANDROID_SMP == 0 -extern ANDROID_ATOMIC_INLINE void android_memory_barrier(void) -{ - android_compiler_barrier(); -} -#else -extern ANDROID_ATOMIC_INLINE void android_memory_barrier(void) -{ - __asm__ __volatile__ ("mfence" : : : "memory"); -} -#endif - -extern ANDROID_ATOMIC_INLINE int32_t -android_atomic_acquire_load(volatile const int32_t *ptr) -{ - int32_t value = *ptr; - android_compiler_barrier(); - return value; -} - -extern ANDROID_ATOMIC_INLINE int32_t -android_atomic_release_load(volatile const int32_t *ptr) -{ - android_memory_barrier(); - return *ptr; -} - -extern ANDROID_ATOMIC_INLINE void -android_atomic_acquire_store(int32_t value, volatile int32_t *ptr) -{ - *ptr = value; - android_memory_barrier(); -} - -extern ANDROID_ATOMIC_INLINE void -android_atomic_release_store(int32_t value, volatile int32_t *ptr) -{ - android_compiler_barrier(); - *ptr = value; -} - -extern ANDROID_ATOMIC_INLINE int -android_atomic_cas(int32_t old_value, int32_t new_value, volatile int32_t *ptr) -{ - int32_t prev; - __asm__ __volatile__ ("lock; cmpxchgl %1, %2" - : "=a" (prev) - : "q" (new_value), "m" (*ptr), "0" (old_value) - : "memory"); - return prev != old_value; -} - -extern ANDROID_ATOMIC_INLINE int -android_atomic_acquire_cas(int32_t old_value, - int32_t new_value, - volatile int32_t *ptr) -{ - /* Loads are not reordered with other loads. */ - return android_atomic_cas(old_value, new_value, ptr); -} - -extern ANDROID_ATOMIC_INLINE int -android_atomic_release_cas(int32_t old_value, - int32_t new_value, - volatile int32_t *ptr) -{ - /* Stores are not reordered with other stores. */ - return android_atomic_cas(old_value, new_value, ptr); -} - -extern ANDROID_ATOMIC_INLINE int32_t -android_atomic_add(int32_t increment, volatile int32_t *ptr) -{ - __asm__ __volatile__ ("lock; xaddl %0, %1" - : "+r" (increment), "+m" (*ptr) - : : "memory"); - /* increment now holds the old value of *ptr */ - return increment; -} - -extern ANDROID_ATOMIC_INLINE int32_t -android_atomic_inc(volatile int32_t *addr) -{ - return android_atomic_add(1, addr); -} - -extern ANDROID_ATOMIC_INLINE int32_t -android_atomic_dec(volatile int32_t *addr) -{ - return android_atomic_add(-1, addr); -} - -extern ANDROID_ATOMIC_INLINE int32_t -android_atomic_and(int32_t value, volatile int32_t *ptr) -{ - int32_t prev, status; - do { - prev = *ptr; - status = android_atomic_cas(prev, prev & value, ptr); - } while (__builtin_expect(status != 0, 0)); - return prev; -} - -extern ANDROID_ATOMIC_INLINE int32_t -android_atomic_or(int32_t value, volatile int32_t *ptr) -{ - int32_t prev, status; - do { - prev = *ptr; - status = android_atomic_cas(prev, prev | value, ptr); - } while (__builtin_expect(status != 0, 0)); - return prev; -} - -#endif /* ANDROID_CUTILS_ATOMIC_X86_H */ diff --git a/include/cutils/atomic-x86_64.h b/include/cutils/atomic-x86_64.h deleted file mode 100644 index 99cb070..0000000 --- a/include/cutils/atomic-x86_64.h +++ /dev/null @@ -1,151 +0,0 @@ -/* - * Copyright (C) 2014 The Android Open Source Project - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT - * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#ifndef ANDROID_CUTILS_ATOMIC_X86_64_H -#define ANDROID_CUTILS_ATOMIC_X86_64_H - -#include <stdint.h> - -#ifndef ANDROID_ATOMIC_INLINE -#define ANDROID_ATOMIC_INLINE inline __attribute__((always_inline)) -#endif - -extern ANDROID_ATOMIC_INLINE -void android_compiler_barrier(void) -{ - __asm__ __volatile__ ("" : : : "memory"); -} - -extern ANDROID_ATOMIC_INLINE -void android_memory_barrier(void) -{ - __asm__ __volatile__ ("mfence" : : : "memory"); -} - -extern ANDROID_ATOMIC_INLINE -int32_t android_atomic_acquire_load(volatile const int32_t *ptr) -{ - int32_t value = *ptr; - android_compiler_barrier(); - return value; -} - -extern ANDROID_ATOMIC_INLINE -int32_t android_atomic_release_load(volatile const int32_t *ptr) -{ - android_memory_barrier(); - return *ptr; -} - -extern ANDROID_ATOMIC_INLINE -void android_atomic_acquire_store(int32_t value, volatile int32_t *ptr) -{ - *ptr = value; - android_memory_barrier(); -} - -extern ANDROID_ATOMIC_INLINE -void android_atomic_release_store(int32_t value, volatile int32_t *ptr) -{ - android_compiler_barrier(); - *ptr = value; -} - -extern ANDROID_ATOMIC_INLINE -int android_atomic_cas(int32_t old_value, int32_t new_value, - volatile int32_t *ptr) -{ - int32_t prev; - __asm__ __volatile__ ("lock; cmpxchgl %1, %2" - : "=a" (prev) - : "q" (new_value), "m" (*ptr), "0" (old_value) - : "memory"); - return prev != old_value; -} - -extern ANDROID_ATOMIC_INLINE -int android_atomic_acquire_cas(int32_t old_value, int32_t new_value, - volatile int32_t *ptr) -{ - /* Loads are not reordered with other loads. */ - return android_atomic_cas(old_value, new_value, ptr); -} - -extern ANDROID_ATOMIC_INLINE -int android_atomic_release_cas(int32_t old_value, int32_t new_value, - volatile int32_t *ptr) -{ - /* Stores are not reordered with other stores. */ - return android_atomic_cas(old_value, new_value, ptr); -} - -extern ANDROID_ATOMIC_INLINE -int32_t android_atomic_add(int32_t increment, volatile int32_t *ptr) -{ - __asm__ __volatile__ ("lock; xaddl %0, %1" - : "+r" (increment), "+m" (*ptr) - : : "memory"); - /* increment now holds the old value of *ptr */ - return increment; -} - -extern ANDROID_ATOMIC_INLINE -int32_t android_atomic_inc(volatile int32_t *addr) -{ - return android_atomic_add(1, addr); -} - -extern ANDROID_ATOMIC_INLINE -int32_t android_atomic_dec(volatile int32_t *addr) -{ - return android_atomic_add(-1, addr); -} - -extern ANDROID_ATOMIC_INLINE -int32_t android_atomic_and(int32_t value, volatile int32_t *ptr) -{ - int32_t prev, status; - do { - prev = *ptr; - status = android_atomic_cas(prev, prev & value, ptr); - } while (__builtin_expect(status != 0, 0)); - return prev; -} - -extern ANDROID_ATOMIC_INLINE -int32_t android_atomic_or(int32_t value, volatile int32_t *ptr) -{ - int32_t prev, status; - do { - prev = *ptr; - status = android_atomic_cas(prev, prev | value, ptr); - } while (__builtin_expect(status != 0, 0)); - return prev; -} - -#endif /* ANDROID_CUTILS_ATOMIC_X86_64_H */ diff --git a/include/cutils/atomic.h b/include/cutils/atomic.h index 79409a7..ded972a 100644 --- a/include/cutils/atomic.h +++ b/include/cutils/atomic.h @@ -19,9 +19,10 @@ #include <stdint.h> #include <sys/types.h> +#include <stdatomic.h> -#ifdef __cplusplus -extern "C" { +#ifndef ANDROID_ATOMIC_INLINE +#define ANDROID_ATOMIC_INLINE static inline #endif /* @@ -77,11 +78,41 @@ extern "C" { * These have the same characteristics (e.g. what happens on overflow) * as the equivalent non-atomic C operations. */ -int32_t android_atomic_inc(volatile int32_t* addr); -int32_t android_atomic_dec(volatile int32_t* addr); -int32_t android_atomic_add(int32_t value, volatile int32_t* addr); -int32_t android_atomic_and(int32_t value, volatile int32_t* addr); -int32_t android_atomic_or(int32_t value, volatile int32_t* addr); +ANDROID_ATOMIC_INLINE +int32_t android_atomic_inc(volatile int32_t* addr) +{ + volatile atomic_int_least32_t* a = (volatile atomic_int_least32_t*)addr; + /* Int32_t, if it exists, is the same as int_least32_t. */ + return atomic_fetch_add_explicit(a, 1, memory_order_release); +} + +ANDROID_ATOMIC_INLINE +int32_t android_atomic_dec(volatile int32_t* addr) +{ + volatile atomic_int_least32_t* a = (volatile atomic_int_least32_t*)addr; + return atomic_fetch_sub_explicit(a, 1, memory_order_release); +} + +ANDROID_ATOMIC_INLINE +int32_t android_atomic_add(int32_t value, volatile int32_t* addr) +{ + volatile atomic_int_least32_t* a = (volatile atomic_int_least32_t*)addr; + return atomic_fetch_add_explicit(a, value, memory_order_release); +} + +ANDROID_ATOMIC_INLINE +int32_t android_atomic_and(int32_t value, volatile int32_t* addr) +{ + volatile atomic_int_least32_t* a = (volatile atomic_int_least32_t*)addr; + return atomic_fetch_and_explicit(a, value, memory_order_release); +} + +ANDROID_ATOMIC_INLINE +int32_t android_atomic_or(int32_t value, volatile int32_t* addr) +{ + volatile atomic_int_least32_t* a = (volatile atomic_int_least32_t*)addr; + return atomic_fetch_or_explicit(a, value, memory_order_release); +} /* * Perform an atomic load with "acquire" or "release" ordering. @@ -96,29 +127,53 @@ int32_t android_atomic_or(int32_t value, volatile int32_t* addr); * this comment, you are in the vast majority, and should not be * using release loads or replacing them with anything other than * locks or default sequentially consistent atomics. - * - * This is only necessary if you need the memory barrier. A 32-bit read - * from a 32-bit aligned address is atomic on all supported platforms. */ -int32_t android_atomic_acquire_load(volatile const int32_t* addr); -int32_t android_atomic_release_load(volatile const int32_t* addr); +ANDROID_ATOMIC_INLINE +int32_t android_atomic_acquire_load(volatile const int32_t* addr) +{ + volatile atomic_int_least32_t* a = (volatile atomic_int_least32_t*)addr; + return atomic_load_explicit(a, memory_order_acquire); +} + +ANDROID_ATOMIC_INLINE +int32_t android_atomic_release_load(volatile const int32_t* addr) +{ + volatile atomic_int_least32_t* a = (volatile atomic_int_least32_t*)addr; + atomic_thread_fence(memory_order_seq_cst); + /* Any reasonable clients of this interface would probably prefer */ + /* something weaker. But some remaining clients seem to be */ + /* abusing this API in strange ways, e.g. by using it as a fence. */ + /* Thus we are conservative until we can get rid of remaining */ + /* clients (and this function). */ + return atomic_load_explicit(a, memory_order_relaxed); +} /* * Perform an atomic store with "acquire" or "release" ordering. * - * Note that the notion of a "acquire" ordering for a store does not + * Note that the notion of an "acquire" ordering for a store does not * really fit into the C11 or C++11 memory model. The extra ordering * is normally observable only by code using memory_order_relaxed * atomics, or data races. In the rare cases in which such ordering * is called for, use memory_order_relaxed atomics and a trailing * atomic_thread_fence (typically with memory_order_release, * not memory_order_acquire!) instead. - * - * This is only necessary if you need the memory barrier. A 32-bit write - * to a 32-bit aligned address is atomic on all supported platforms. */ -void android_atomic_acquire_store(int32_t value, volatile int32_t* addr); -void android_atomic_release_store(int32_t value, volatile int32_t* addr); +ANDROID_ATOMIC_INLINE +void android_atomic_acquire_store(int32_t value, volatile int32_t* addr) +{ + volatile atomic_int_least32_t* a = (volatile atomic_int_least32_t*)addr; + atomic_store_explicit(a, value, memory_order_relaxed); + atomic_thread_fence(memory_order_seq_cst); + /* Again overly conservative to accomodate weird clients. */ +} + +ANDROID_ATOMIC_INLINE +void android_atomic_release_store(int32_t value, volatile int32_t* addr) +{ + volatile atomic_int_least32_t* a = (volatile atomic_int_least32_t*)addr; + atomic_store_explicit(a, value, memory_order_release); +} /* * Compare-and-set operation with "acquire" or "release" ordering. @@ -132,10 +187,44 @@ void android_atomic_release_store(int32_t value, volatile int32_t* addr); * Implementations that use the release CAS in a loop may be less efficient * than possible, because we re-issue the memory barrier on each iteration. */ +ANDROID_ATOMIC_INLINE int android_atomic_acquire_cas(int32_t oldvalue, int32_t newvalue, - volatile int32_t* addr); + volatile int32_t* addr) +{ + volatile atomic_int_least32_t* a = (volatile atomic_int_least32_t*)addr; + return (int)(!atomic_compare_exchange_strong_explicit( + a, &oldvalue, newvalue, + memory_order_acquire, + memory_order_acquire)); +} + +ANDROID_ATOMIC_INLINE int android_atomic_release_cas(int32_t oldvalue, int32_t newvalue, - volatile int32_t* addr); + volatile int32_t* addr) +{ + volatile atomic_int_least32_t* a = (volatile atomic_int_least32_t*)addr; + return (int)(!atomic_compare_exchange_strong_explicit( + a, &oldvalue, newvalue, + memory_order_release, + memory_order_relaxed)); +} + +/* + * Fence primitives. + */ +ANDROID_ATOMIC_INLINE +void android_compiler_barrier(void) +{ + __asm__ __volatile__ ("" : : : "memory"); + /* Could probably also be: */ + /* atomic_signal_fence(memory_order_seq_cst); */ +} + +ANDROID_ATOMIC_INLINE +void android_memory_barrier(void) +{ + atomic_thread_fence(memory_order_seq_cst); +} /* * Aliases for code using an older version of this header. These are now @@ -145,8 +234,4 @@ int android_atomic_release_cas(int32_t oldvalue, int32_t newvalue, #define android_atomic_write android_atomic_release_store #define android_atomic_cmpxchg android_atomic_release_cas -#ifdef __cplusplus -} // extern "C" -#endif - #endif // ANDROID_CUTILS_ATOMIC_H diff --git a/include/cutils/cpu_info.h b/include/cutils/cpu_info.h deleted file mode 100644 index 78c1884..0000000 --- a/include/cutils/cpu_info.h +++ /dev/null @@ -1,34 +0,0 @@ -/* - * Copyright (C) 2007 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef __CUTILS_CPU_INFO_H -#define __CUTILS_CPU_INFO_H - -#ifdef __cplusplus -extern "C" { -#endif - -/* returns a string contiaining an ASCII representation of the CPU serial number, -** or NULL if cpu info not available. -** The string is a static variable, so don't call free() on it. -*/ -extern const char* get_cpu_serial_number(void); - -#ifdef __cplusplus -} -#endif - -#endif /* __CUTILS_CPU_INFO_H */ diff --git a/include/cutils/debugger.h b/include/cutils/debugger.h index bae687d..285e1af 100644 --- a/include/cutils/debugger.h +++ b/include/cutils/debugger.h @@ -17,20 +17,14 @@ #ifndef __CUTILS_DEBUGGER_H #define __CUTILS_DEBUGGER_H +#include <sys/cdefs.h> #include <sys/types.h> -#ifdef __cplusplus -extern "C" { -#endif +__BEGIN_DECLS -#define DEBUGGER32_SOCKET_NAME "android:debuggerd" -#define DEBUGGER64_SOCKET_NAME "android:debuggerd64" - -#if defined(__LP64__) -#define DEBUGGER_SOCKET_NAME DEBUGGER64_SOCKET_NAME -#else -#define DEBUGGER_SOCKET_NAME DEBUGGER32_SOCKET_NAME -#endif +#define DEBUGGER_SOCKET_NAME "android:debuggerd" +#define DEBUGGER32_SOCKET_NAME "android:debuggerd32" +#define DEBUGGER64_SOCKET_NAME DEBUGGER_SOCKET_NAME typedef enum { // dump a crash @@ -41,23 +35,17 @@ typedef enum { DEBUGGER_ACTION_DUMP_BACKTRACE, } debugger_action_t; -typedef struct { - debugger_action_t action; +// Make sure that all values have a fixed size so that this structure +// is the same for 32 bit and 64 bit processes. +// NOTE: Any changes to this structure must also be reflected in +// bionic/linker/debugger.cpp. +typedef struct __attribute__((packed)) { + int32_t action; pid_t tid; - uintptr_t abort_msg_address; + uint64_t abort_msg_address; int32_t original_si_code; } debugger_msg_t; -#if defined(__LP64__) -// For a 64 bit process to contact the 32 bit debuggerd. -typedef struct { - debugger_action_t action; - pid_t tid; - uint32_t abort_msg_address; - int32_t original_si_code; -} debugger32_msg_t; -#endif - /* Dumps a process backtrace, registers, and stack to a tombstone file (requires root). * Stores the tombstone path in the provided buffer. * Returns 0 on success, -1 on error. @@ -84,8 +72,6 @@ int dump_backtrace_to_file(pid_t tid, int fd); */ int dump_backtrace_to_file_timeout(pid_t tid, int fd, int timeout_secs); -#ifdef __cplusplus -} -#endif +__END_DECLS #endif /* __CUTILS_DEBUGGER_H */ diff --git a/include/cutils/dir_hash.h b/include/cutils/dir_hash.h deleted file mode 100644 index fbb4d02..0000000 --- a/include/cutils/dir_hash.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * Copyright (C) 2007 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -typedef enum { - SHA_1, -} HashAlgorithm; - -int get_file_hash(HashAlgorithm algorithm, const char *path, - char *output_string, size_t max_output_string); - -int get_recursive_hash_manifest(HashAlgorithm algorithm, - const char *directory_path, - char **output_string); diff --git a/include/cutils/klog.h b/include/cutils/klog.h index d5ae6d7..295d62b 100644 --- a/include/cutils/klog.h +++ b/include/cutils/klog.h @@ -18,6 +18,7 @@ #define _CUTILS_KLOG_H_ #include <sys/cdefs.h> +#include <sys/uio.h> #include <stdarg.h> __BEGIN_DECLS @@ -26,9 +27,10 @@ void klog_init(void); int klog_get_level(void); void klog_set_level(int level); /* TODO: void klog_close(void); - and make klog_fd users thread safe. */ + void klog_write(int level, const char *fmt, ...) __attribute__ ((format(printf, 2, 3))); -void klog_vwrite(int level, const char *fmt, va_list ap); +void klog_writev(int level, const struct iovec* iov, int iov_count); __END_DECLS diff --git a/include/cutils/memory.h b/include/cutils/memory.h index e725cdd..4d26882 100644 --- a/include/cutils/memory.h +++ b/include/cutils/memory.h @@ -30,7 +30,7 @@ void android_memset16(uint16_t* dst, uint16_t value, size_t size); /* size is given in bytes and must be multiple of 4 */ void android_memset32(uint32_t* dst, uint32_t value, size_t size); -#if !HAVE_STRLCPY +#if defined(__GLIBC__) || defined(_WIN32) /* Declaration of strlcpy() for platforms that don't already have it. */ size_t strlcpy(char *dst, const char *src, size_t size); #endif diff --git a/include/cutils/open_memstream.h b/include/cutils/open_memstream.h index b7998be..c1a81eb 100644 --- a/include/cutils/open_memstream.h +++ b/include/cutils/open_memstream.h @@ -19,7 +19,7 @@ #include <stdio.h> -#ifndef HAVE_OPEN_MEMSTREAM +#if defined(__APPLE__) #ifdef __cplusplus extern "C" { @@ -31,6 +31,6 @@ FILE* open_memstream(char** bufp, size_t* sizep); } #endif -#endif /*!HAVE_OPEN_MEMSTREAM*/ +#endif /* __APPLE__ */ #endif /*__CUTILS_OPEN_MEMSTREAM_H__*/ diff --git a/include/cutils/partition_utils.h b/include/cutils/partition_utils.h index 597df92..72ca80d 100644 --- a/include/cutils/partition_utils.h +++ b/include/cutils/partition_utils.h @@ -20,7 +20,6 @@ __BEGIN_DECLS int partition_wiped(char *source); -void erase_footer(const char *dev_path, long long size); __END_DECLS diff --git a/include/cutils/properties.h b/include/cutils/properties.h index 798db8b..24aa224 100644 --- a/include/cutils/properties.h +++ b/include/cutils/properties.h @@ -126,22 +126,6 @@ int property_get(const char *key, char *value, const char *default_value) { #endif -#ifdef HAVE_SYSTEM_PROPERTY_SERVER -/* - * We have an external property server instead of built-in libc support. - * Used by the simulator. - */ -#define SYSTEM_PROPERTY_PIPE_NAME "/tmp/android-sysprop" - -enum { - kSystemPropertyUnknown = 0, - kSystemPropertyGet, - kSystemPropertySet, - kSystemPropertyList -}; -#endif /*HAVE_SYSTEM_PROPERTY_SERVER*/ - - #ifdef __cplusplus } #endif diff --git a/include/cutils/sockets.h b/include/cutils/sockets.h index daf43ec..f8076ca 100644 --- a/include/cutils/sockets.h +++ b/include/cutils/sockets.h @@ -18,6 +18,7 @@ #define __CUTILS_SOCKETS_H #include <errno.h> +#include <stdio.h> #include <stdlib.h> #include <string.h> #include <stdbool.h> @@ -25,7 +26,7 @@ #ifdef HAVE_WINSOCK #include <winsock2.h> typedef int socklen_t; -#elif HAVE_SYS_SOCKET_H +#else #include <sys/socket.h> #endif @@ -46,30 +47,19 @@ extern "C" { */ static inline int android_get_control_socket(const char *name) { - char key[64] = ANDROID_SOCKET_ENV_PREFIX; - const char *val; - int fd; + char key[64]; + snprintf(key, sizeof(key), ANDROID_SOCKET_ENV_PREFIX "%s", name); - /* build our environment variable, counting cycles like a wolf ... */ -#if HAVE_STRLCPY - strlcpy(key + sizeof(ANDROID_SOCKET_ENV_PREFIX) - 1, - name, - sizeof(key) - sizeof(ANDROID_SOCKET_ENV_PREFIX)); -#else /* for the host, which may lack the almightly strncpy ... */ - strncpy(key + sizeof(ANDROID_SOCKET_ENV_PREFIX) - 1, - name, - sizeof(key) - sizeof(ANDROID_SOCKET_ENV_PREFIX)); - key[sizeof(key)-1] = '\0'; -#endif - - val = getenv(key); - if (!val) + const char* val = getenv(key); + if (!val) { return -1; + } errno = 0; - fd = strtol(val, NULL, 10); - if (errno) + int fd = strtol(val, NULL, 10); + if (errno) { return -1; + } return fd; } diff --git a/include/cutils/str_parms.h b/include/cutils/str_parms.h index 66f3637..aa1435a 100644 --- a/include/cutils/str_parms.h +++ b/include/cutils/str_parms.h @@ -18,6 +18,9 @@ #define __CUTILS_STR_PARMS_H #include <stdint.h> +#include <sys/cdefs.h> + +__BEGIN_DECLS struct str_parms; @@ -52,4 +55,6 @@ char *str_parms_to_str(struct str_parms *str_parms); /* debug */ void str_parms_dump(struct str_parms *str_parms); +__END_DECLS + #endif /* __CUTILS_STR_PARMS_H */ diff --git a/include/cutils/threads.h b/include/cutils/threads.h index acf8f48..3133cdb 100644 --- a/include/cutils/threads.h +++ b/include/cutils/threads.h @@ -29,20 +29,22 @@ extern "C" { /***********************************************************************/ /***********************************************************************/ -#ifdef HAVE_PTHREADS +#if !defined(_WIN32) #include <pthread.h> +#include <sys/types.h> typedef struct { pthread_mutex_t lock; int has_tls; pthread_key_t tls; - } thread_store_t; +extern pid_t gettid(); + #define THREAD_STORE_INITIALIZER { PTHREAD_MUTEX_INITIALIZER, 0, 0 } -#elif defined HAVE_WIN32_THREADS +#else // !defined(_WIN32) #include <windows.h> @@ -51,20 +53,17 @@ typedef struct { int has_tls; DWORD tls; CRITICAL_SECTION lock; - } thread_store_t; #define THREAD_STORE_INITIALIZER { 0, 0, 0, {0, 0, 0, 0, 0, 0} } -#else -# error "no thread_store_t implementation for your platform !!" -#endif +#endif // !defined(_WIN32) typedef void (*thread_store_destruct_t)(void* value); extern void* thread_store_get(thread_store_t* store); -extern void thread_store_set(thread_store_t* store, +extern void thread_store_set(thread_store_t* store, void* value, thread_store_destruct_t destroy); @@ -76,7 +75,7 @@ extern void thread_store_set(thread_store_t* store, /***********************************************************************/ /***********************************************************************/ -#ifdef HAVE_PTHREADS +#if !defined(_WIN32) typedef pthread_mutex_t mutex_t; @@ -98,10 +97,10 @@ static __inline__ void mutex_destroy(mutex_t* lock) { pthread_mutex_destroy(lock); } -#endif -#ifdef HAVE_WIN32_THREADS -typedef struct { +#else // !defined(_WIN32) + +typedef struct { int init; CRITICAL_SECTION lock[1]; } mutex_t; @@ -134,10 +133,10 @@ static __inline__ void mutex_destroy(mutex_t* lock) { if (lock->init) { lock->init = 0; - DeleteCriticalSection(lock->lock); + DeleteCriticalSection(lock->lock); } } -#endif +#endif // !defined(_WIN32) #ifdef __cplusplus } diff --git a/include/cutils/trace.h b/include/cutils/trace.h index fd24561..e4ed179 100644 --- a/include/cutils/trace.h +++ b/include/cutils/trace.h @@ -18,6 +18,7 @@ #define _LIBS_CUTILS_TRACE_H #include <inttypes.h> +#include <stdatomic.h> #include <stdbool.h> #include <stdint.h> #include <stdio.h> @@ -26,11 +27,6 @@ #include <unistd.h> #include <cutils/compiler.h> -#ifdef ANDROID_SMP -#include <cutils/atomic-inline.h> -#else -#include <cutils/atomic.h> -#endif __BEGIN_DECLS @@ -84,14 +80,6 @@ __BEGIN_DECLS #error ATRACE_TAG must be defined to be one of the tags defined in cutils/trace.h #endif -#ifdef HAVE_ANDROID_OS -/** - * Maximum size of a message that can be logged to the trace buffer. - * Note this message includes a tag, the pid, and the string given as the name. - * Names should be kept short to get the most use of the trace buffer. - */ -#define ATRACE_MESSAGE_LENGTH 1024 - /** * Opens the trace file for writing and reads the property for initial tags. * The atrace.tags.enableflags property sets the tags to trace. @@ -125,7 +113,7 @@ void atrace_set_tracing_enabled(bool enabled); * Nonzero indicates setup has completed. * Note: This does NOT indicate whether or not setup was successful. */ -extern volatile int32_t atrace_is_ready; +extern atomic_bool atrace_is_ready; /** * Set of ATRACE_TAG flags to trace for, initialized to ATRACE_TAG_NOT_READY. @@ -148,7 +136,7 @@ extern int atrace_marker_fd; #define ATRACE_INIT() atrace_init() static inline void atrace_init() { - if (CC_UNLIKELY(!android_atomic_acquire_load(&atrace_is_ready))) { + if (CC_UNLIKELY(!atomic_load_explicit(&atrace_is_ready, memory_order_acquire))) { atrace_setup(); } } @@ -184,11 +172,8 @@ static inline uint64_t atrace_is_tag_enabled(uint64_t tag) static inline void atrace_begin(uint64_t tag, const char* name) { if (CC_UNLIKELY(atrace_is_tag_enabled(tag))) { - char buf[ATRACE_MESSAGE_LENGTH]; - size_t len; - - len = snprintf(buf, ATRACE_MESSAGE_LENGTH, "B|%d|%s", getpid(), name); - write(atrace_marker_fd, buf, len); + void atrace_begin_body(const char*); + atrace_begin_body(name); } } @@ -218,12 +203,8 @@ static inline void atrace_async_begin(uint64_t tag, const char* name, int32_t cookie) { if (CC_UNLIKELY(atrace_is_tag_enabled(tag))) { - char buf[ATRACE_MESSAGE_LENGTH]; - size_t len; - - len = snprintf(buf, ATRACE_MESSAGE_LENGTH, "S|%d|%s|%" PRId32, - getpid(), name, cookie); - write(atrace_marker_fd, buf, len); + void atrace_async_begin_body(const char*, int32_t); + atrace_async_begin_body(name, cookie); } } @@ -232,20 +213,14 @@ static inline void atrace_async_begin(uint64_t tag, const char* name, * This should have a corresponding ATRACE_ASYNC_BEGIN. */ #define ATRACE_ASYNC_END(name, cookie) atrace_async_end(ATRACE_TAG, name, cookie) -static inline void atrace_async_end(uint64_t tag, const char* name, - int32_t cookie) +static inline void atrace_async_end(uint64_t tag, const char* name, int32_t cookie) { if (CC_UNLIKELY(atrace_is_tag_enabled(tag))) { - char buf[ATRACE_MESSAGE_LENGTH]; - size_t len; - - len = snprintf(buf, ATRACE_MESSAGE_LENGTH, "F|%d|%s|%" PRId32, - getpid(), name, cookie); - write(atrace_marker_fd, buf, len); + void atrace_async_end_body(const char*, int32_t); + atrace_async_end_body(name, cookie); } } - /** * Traces an integer counter value. name is used to identify the counter. * This can be used to track how a value changes over time. @@ -254,12 +229,8 @@ static inline void atrace_async_end(uint64_t tag, const char* name, static inline void atrace_int(uint64_t tag, const char* name, int32_t value) { if (CC_UNLIKELY(atrace_is_tag_enabled(tag))) { - char buf[ATRACE_MESSAGE_LENGTH]; - size_t len; - - len = snprintf(buf, ATRACE_MESSAGE_LENGTH, "C|%d|%s|%" PRId32, - getpid(), name, value); - write(atrace_marker_fd, buf, len); + void atrace_int_body(const char*, int32_t); + atrace_int_body(name, value); } } @@ -271,28 +242,11 @@ static inline void atrace_int(uint64_t tag, const char* name, int32_t value) static inline void atrace_int64(uint64_t tag, const char* name, int64_t value) { if (CC_UNLIKELY(atrace_is_tag_enabled(tag))) { - char buf[ATRACE_MESSAGE_LENGTH]; - size_t len; - - len = snprintf(buf, ATRACE_MESSAGE_LENGTH, "C|%d|%s|%" PRId64, - getpid(), name, value); - write(atrace_marker_fd, buf, len); + void atrace_int64_body(const char*, int64_t); + atrace_int64_body(name, value); } } -#else // not HAVE_ANDROID_OS - -#define ATRACE_INIT() -#define ATRACE_GET_ENABLED_TAGS() -#define ATRACE_ENABLED() 0 -#define ATRACE_BEGIN(name) -#define ATRACE_END() -#define ATRACE_ASYNC_BEGIN(name, cookie) -#define ATRACE_ASYNC_END(name, cookie) -#define ATRACE_INT(name, value) - -#endif // not HAVE_ANDROID_OS - __END_DECLS #endif // _LIBS_CUTILS_TRACE_H diff --git a/include/cutils/uevent.h b/include/cutils/uevent.h index 4cca7e5..da1c2aa 100644 --- a/include/cutils/uevent.h +++ b/include/cutils/uevent.h @@ -27,6 +27,7 @@ extern "C" { int uevent_open_socket(int buf_sz, bool passcred); ssize_t uevent_kernel_multicast_recv(int socket, void *buffer, size_t length); ssize_t uevent_kernel_multicast_uid_recv(int socket, void *buffer, size_t length, uid_t *uid); +ssize_t uevent_kernel_recv(int socket, void *buffer, size_t length, bool require_group, uid_t *uid); #ifdef __cplusplus } |