christoph/wamr
1
Fork 0
Code Releases Activity

Move generic parts of wasm_suspend_flags.h to bh_atomic.h (#2393)

Browse Source
This commit is contained in:
YAMAMOTO Takashi
2023-07-27 22:37:23 +09:00
committed by GitHub
parent 6110ea39fd
commit 228417ab8c
3 changed files with 60 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
core/iwasm/common/wasm_suspend_flags.h
View File

@ -6,7 +6,7 @@
#ifndef _WASM_SUSPEND_FLAGS_H
#define _WASM_SUSPEND_FLAGS_H
#include "bh_platform.h"
#include "bh_atomic.h"
#ifdef __cplusplus
extern "C" {
@ -22,42 +22,16 @@ extern "C" {
#define WASM_SUSPEND_FLAG_EXIT 0x8
typedef union WASMSuspendFlags {
uint32 flags;
bh_atomic_32_t flags;
uintptr_t __padding__;
} WASMSuspendFlags;
#if defined(__GNUC_PREREQ)
#if __GNUC_PREREQ(4, 7)
#define CLANG_GCC_HAS_ATOMIC_BUILTIN
#endif
#elif defined(__clang__)
#if __clang_major__ > 3 || (__clang_major__ == 3 && __clang_minor__ >= 0)
#define CLANG_GCC_HAS_ATOMIC_BUILTIN
#endif
#endif
#if defined(CLANG_GCC_HAS_ATOMIC_BUILTIN)
#define WASM_SUSPEND_FLAGS_IS_ATOMIC 1
#define WASM_SUSPEND_FLAGS_GET(s_flags) \
__atomic_load_n(&s_flags.flags, __ATOMIC_SEQ_CST)
#define WASM_SUSPEND_FLAGS_IS_ATOMIC BH_ATOMIC_32_IS_ATOMIC
#define WASM_SUSPEND_FLAGS_GET(s_flags) BH_ATOMIC_32_LOAD(s_flags.flags)
#define WASM_SUSPEND_FLAGS_FETCH_OR(s_flags, val) \
__atomic_fetch_or(&s_flags.flags, val, __ATOMIC_SEQ_CST)
BH_ATOMIC_32_FETCH_OR(s_flags.flags, val)
#define WASM_SUSPEND_FLAGS_FETCH_AND(s_flags, val) \
__atomic_fetch_and(&s_flags.flags, val, __ATOMIC_SEQ_CST)
#else /* else of defined(CLANG_GCC_HAS_ATOMIC_BUILTIN) */
#define WASM_SUSPEND_FLAGS_GET(s_flags) (s_flags.flags)
#define WASM_SUSPEND_FLAGS_FETCH_OR(s_flags, val) (s_flags.flags |= val)
#define WASM_SUSPEND_FLAGS_FETCH_AND(s_flags, val) (s_flags.flags &= val)
/* The flag can be defined by the user if the platform
supports atomic access to uint32 aligned memory. */
#ifdef WASM_UINT32_IS_ATOMIC
#define WASM_SUSPEND_FLAGS_IS_ATOMIC 1
#else /* else of WASM_UINT32_IS_ATOMIC */
#define WASM_SUSPEND_FLAGS_IS_ATOMIC 0
#endif /* WASM_UINT32_IS_ATOMIC */
#endif
BH_ATOMIC_32_FETCH_AND(s_flags.flags, val)
#if WASM_SUSPEND_FLAGS_IS_ATOMIC != 0
#define WASM_SUSPEND_FLAGS_LOCK(lock) (void)0
@ -71,4 +45,4 @@ typedef union WASMSuspendFlags {
}
#endif
#endif /* end of _WASM_SUSPEND_FLAGS_H */
#endif /* end of _WASM_SUSPEND_FLAGS_H */