From 990ef9182b5b7cb63be8da918fe38865b3ab840a Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Mon, 17 Jul 2023 19:58:58 +0100 Subject: include/exec: Add WITH_MMAP_LOCK_GUARD Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- include/exec/exec-all.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'include/exec') diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index 5fa0687cd2..d02517e95f 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -629,6 +629,15 @@ void TSA_NO_TSA mmap_lock(void); void TSA_NO_TSA mmap_unlock(void); bool have_mmap_lock(void); +static inline void mmap_unlock_guard(void *unused) +{ + mmap_unlock(); +} + +#define WITH_MMAP_LOCK_GUARD() \ + for (int _mmap_lock_iter __attribute__((cleanup(mmap_unlock_guard))) \ + = (mmap_lock(), 0); _mmap_lock_iter == 0; _mmap_lock_iter = 1) + /** * adjust_signal_pc: * @pc: raw pc from the host signal ucontext_t. @@ -683,6 +692,7 @@ G_NORETURN void cpu_loop_exit_sigbus(CPUState *cpu, target_ulong addr, #else static inline void mmap_lock(void) {} static inline void mmap_unlock(void) {} +#define WITH_MMAP_LOCK_GUARD() void tlb_reset_dirty(CPUState *cpu, ram_addr_t start1, ram_addr_t length); void tlb_set_dirty(CPUState *cpu, vaddr addr); -- cgit 1.4.1