From 2113aed687cb0b84ad512c440c1edf6eea8fcde2 Mon Sep 17 00:00:00 2001 From: Peter Maydell Date: Wed, 8 Sep 2021 16:43:59 +0100 Subject: linux-user: Split signal-related prototypes into signal-common.h MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Split the signal related prototypes into the existing header file signal-common.h, and include it in those places that now require it. Signed-off-by: Peter Maydell Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Message-Id: <20210908154405.15417-4-peter.maydell@linaro.org> Signed-off-by: Laurent Vivier --- linux-user/qemu.h | 36 ------------------------------------ 1 file changed, 36 deletions(-) (limited to 'linux-user/qemu.h') diff --git a/linux-user/qemu.h b/linux-user/qemu.h index ad2d49fed9..76d3f5e7eb 100644 --- a/linux-user/qemu.h +++ b/linux-user/qemu.h @@ -415,42 +415,6 @@ extern long safe_syscall_base(int *pending, long number, ...); /* syscall.c */ int host_to_target_waitstatus(int status); -/* signal.c */ -void process_pending_signals(CPUArchState *cpu_env); -void signal_init(void); -int queue_signal(CPUArchState *env, int sig, int si_type, - target_siginfo_t *info); -void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info); -void target_to_host_siginfo(siginfo_t *info, const target_siginfo_t *tinfo); -int target_to_host_signal(int sig); -int host_to_target_signal(int sig); -long do_sigreturn(CPUArchState *env); -long do_rt_sigreturn(CPUArchState *env); -abi_long do_sigaltstack(abi_ulong uss_addr, abi_ulong uoss_addr, - CPUArchState *env); -int do_sigprocmask(int how, const sigset_t *set, sigset_t *oldset); -abi_long do_swapcontext(CPUArchState *env, abi_ulong uold_ctx, - abi_ulong unew_ctx, abi_long ctx_size); -/** - * block_signals: block all signals while handling this guest syscall - * - * Block all signals, and arrange that the signal mask is returned to - * its correct value for the guest before we resume execution of guest code. - * If this function returns non-zero, then the caller should immediately - * return -TARGET_ERESTARTSYS to the main loop, which will take the pending - * signal and restart execution of the syscall. - * If block_signals() returns zero, then the caller can continue with - * emulation of the system call knowing that no signals can be taken - * (and therefore that no race conditions will result). - * This should only be called once, because if it is called a second time - * it will always return non-zero. (Think of it like a mutex that can't - * be recursively locked.) - * Signals will be unblocked again by process_pending_signals(). - * - * Return value: non-zero if there was a pending signal, zero if not. - */ -int block_signals(void); /* Returns non zero if signal pending */ - #ifdef TARGET_I386 /* vm86.c */ void save_v86_state(CPUX86State *env); -- cgit v1.2.3