From 15ce1f7154c80693cec4f8a5309e8c8a06fb2541 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 25 Dec 2012 16:09:20 -0500 Subject: x86,um: switch to generic old sigsuspend() Signed-off-by: Al Viro diff --git a/arch/um/kernel/signal.c b/arch/um/kernel/signal.c index 48ccf71..3e831b3 100644 --- a/arch/um/kernel/signal.c +++ b/arch/um/kernel/signal.c @@ -122,13 +122,3 @@ int do_signal(void) { return kern_do_signal(¤t->thread.regs); } - -/* - * Atomically swap in the new signal mask, and wait for a signal. - */ -long sys_sigsuspend(int history0, int history1, old_sigset_t mask) -{ - sigset_t blocked; - siginitset(&blocked, mask); - return sigsuspend(&blocked); -} diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 9f03111..5bda2d7 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -116,6 +116,7 @@ config X86 select GENERIC_SIGALTSTACK select GENERIC_COMPAT_RT_SIGQUEUEINFO select GENERIC_COMPAT_RT_SIGPENDING + select OLD_SIGSUSPEND3 if X86_32 || IA32_EMULATION config INSTRUCTION_DECODER def_bool y diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c index 15fdb3f..b0460cd 100644 --- a/arch/x86/ia32/ia32_signal.c +++ b/arch/x86/ia32/ia32_signal.c @@ -129,13 +129,6 @@ int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from) return err; } -asmlinkage long sys32_sigsuspend(int history0, int history1, old_sigset_t mask) -{ - sigset_t blocked; - siginitset(&blocked, mask); - return sigsuspend(&blocked); -} - /* * Do a signal return; undo the signal stack. */ diff --git a/arch/x86/include/asm/sys_ia32.h b/arch/x86/include/asm/sys_ia32.h index e3a8931..d4c3837 100644 --- a/arch/x86/include/asm/sys_ia32.h +++ b/arch/x86/include/asm/sys_ia32.h @@ -66,7 +66,6 @@ asmlinkage long sys32_fallocate(int, int, unsigned, unsigned, unsigned, unsigned); /* ia32/ia32_signal.c */ -asmlinkage long sys32_sigsuspend(int, int, old_sigset_t); asmlinkage long sys32_sigreturn(void); asmlinkage long sys32_rt_sigreturn(void); diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h index f755423..7ed7dec 100644 --- a/arch/x86/include/asm/syscalls.h +++ b/arch/x86/include/asm/syscalls.h @@ -34,7 +34,6 @@ asmlinkage int sys_get_thread_area(struct user_desc __user *); #ifdef CONFIG_X86_32 /* kernel/signal.c */ -asmlinkage int sys_sigsuspend(int, int, old_sigset_t); asmlinkage int sys_sigaction(int, const struct old_sigaction __user *, struct old_sigaction __user *); unsigned long sys_sigreturn(void); diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index 38ba7e5..0577129 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -536,17 +536,6 @@ static int x32_setup_rt_frame(int sig, struct k_sigaction *ka, } #ifdef CONFIG_X86_32 -/* - * Atomically swap in the new signal mask, and wait for a signal. - */ -asmlinkage int -sys_sigsuspend(int history0, int history1, old_sigset_t mask) -{ - sigset_t blocked; - siginitset(&blocked, mask); - return sigsuspend(&blocked); -} - asmlinkage int sys_sigaction(int sig, const struct old_sigaction __user *act, struct old_sigaction __user *oact) diff --git a/arch/x86/syscalls/syscall_32.tbl b/arch/x86/syscalls/syscall_32.tbl index 9c707c4..fae76a3 100644 --- a/arch/x86/syscalls/syscall_32.tbl +++ b/arch/x86/syscalls/syscall_32.tbl @@ -78,7 +78,7 @@ 69 i386 ssetmask sys_ssetmask 70 i386 setreuid sys_setreuid16 71 i386 setregid sys_setregid16 -72 i386 sigsuspend sys_sigsuspend sys32_sigsuspend +72 i386 sigsuspend sys_sigsuspend sys_sigsuspend 73 i386 sigpending sys_sigpending compat_sys_sigpending 74 i386 sethostname sys_sethostname 75 i386 setrlimit sys_setrlimit compat_sys_setrlimit diff --git a/arch/x86/um/Kconfig b/arch/x86/um/Kconfig index 53c90fd..a372582 100644 --- a/arch/x86/um/Kconfig +++ b/arch/x86/um/Kconfig @@ -25,6 +25,7 @@ config X86_32 select ARCH_WANT_IPC_PARSE_VERSION select MODULES_USE_ELF_REL select CLONE_BACKWARDS + select OLD_SIGSUSPEND3 config X86_64 def_bool 64BIT -- cgit v0.10.2