diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/alpha/include/asm/unistd.h | 1 | ||||
-rw-r--r-- | arch/alpha/kernel/entry.S | 32 | ||||
-rw-r--r-- | arch/alpha/kernel/signal.c | 38 |
3 files changed, 2 insertions, 69 deletions
diff --git a/arch/alpha/include/asm/unistd.h b/arch/alpha/include/asm/unistd.h index 9a9672f0a346..058937bf5a77 100644 --- a/arch/alpha/include/asm/unistd.h +++ b/arch/alpha/include/asm/unistd.h | |||
@@ -466,6 +466,7 @@ | |||
466 | #define __ARCH_WANT_SYS_OLD_GETRLIMIT | 466 | #define __ARCH_WANT_SYS_OLD_GETRLIMIT |
467 | #define __ARCH_WANT_SYS_OLDUMOUNT | 467 | #define __ARCH_WANT_SYS_OLDUMOUNT |
468 | #define __ARCH_WANT_SYS_SIGPENDING | 468 | #define __ARCH_WANT_SYS_SIGPENDING |
469 | #define __ARCH_WANT_SYS_RT_SIGSUSPEND | ||
469 | 470 | ||
470 | /* "Conditional" syscalls. What we want is | 471 | /* "Conditional" syscalls. What we want is |
471 | 472 | ||
diff --git a/arch/alpha/kernel/entry.S b/arch/alpha/kernel/entry.S index b45d913a51c3..bceb325fd4c5 100644 --- a/arch/alpha/kernel/entry.S +++ b/arch/alpha/kernel/entry.S | |||
@@ -779,38 +779,6 @@ sys_rt_sigreturn: | |||
779 | .end sys_rt_sigreturn | 779 | .end sys_rt_sigreturn |
780 | 780 | ||
781 | .align 4 | 781 | .align 4 |
782 | .globl sys_sigsuspend | ||
783 | .ent sys_sigsuspend | ||
784 | sys_sigsuspend: | ||
785 | .prologue 0 | ||
786 | mov $sp, $17 | ||
787 | br $1, do_switch_stack | ||
788 | mov $sp, $18 | ||
789 | subq $sp, 16, $sp | ||
790 | stq $26, 0($sp) | ||
791 | jsr $26, do_sigsuspend | ||
792 | ldq $26, 0($sp) | ||
793 | lda $sp, SWITCH_STACK_SIZE+16($sp) | ||
794 | ret | ||
795 | .end sys_sigsuspend | ||
796 | |||
797 | .align 4 | ||
798 | .globl sys_rt_sigsuspend | ||
799 | .ent sys_rt_sigsuspend | ||
800 | sys_rt_sigsuspend: | ||
801 | .prologue 0 | ||
802 | mov $sp, $18 | ||
803 | br $1, do_switch_stack | ||
804 | mov $sp, $19 | ||
805 | subq $sp, 16, $sp | ||
806 | stq $26, 0($sp) | ||
807 | jsr $26, do_rt_sigsuspend | ||
808 | ldq $26, 0($sp) | ||
809 | lda $sp, SWITCH_STACK_SIZE+16($sp) | ||
810 | ret | ||
811 | .end sys_rt_sigsuspend | ||
812 | |||
813 | .align 4 | ||
814 | .globl sys_sethae | 782 | .globl sys_sethae |
815 | .ent sys_sethae | 783 | .ent sys_sethae |
816 | sys_sethae: | 784 | sys_sethae: |
diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c index e5b1b3c79ff3..0f6b51ae865a 100644 --- a/arch/alpha/kernel/signal.c +++ b/arch/alpha/kernel/signal.c | |||
@@ -144,8 +144,7 @@ SYSCALL_DEFINE5(rt_sigaction, int, sig, const struct sigaction __user *, act, | |||
144 | /* | 144 | /* |
145 | * Atomically swap in the new signal mask, and wait for a signal. | 145 | * Atomically swap in the new signal mask, and wait for a signal. |
146 | */ | 146 | */ |
147 | asmlinkage int | 147 | SYSCALL_DEFINE1(sigsuspend, old_sigset_t, mask) |
148 | do_sigsuspend(old_sigset_t mask, struct pt_regs *regs, struct switch_stack *sw) | ||
149 | { | 148 | { |
150 | mask &= _BLOCKABLE; | 149 | mask &= _BLOCKABLE; |
151 | spin_lock_irq(¤t->sighand->siglock); | 150 | spin_lock_irq(¤t->sighand->siglock); |
@@ -154,41 +153,6 @@ do_sigsuspend(old_sigset_t mask, struct pt_regs *regs, struct switch_stack *sw) | |||
154 | recalc_sigpending(); | 153 | recalc_sigpending(); |
155 | spin_unlock_irq(¤t->sighand->siglock); | 154 | spin_unlock_irq(¤t->sighand->siglock); |
156 | 155 | ||
157 | /* Indicate EINTR on return from any possible signal handler, | ||
158 | which will not come back through here, but via sigreturn. */ | ||
159 | regs->r0 = EINTR; | ||
160 | regs->r19 = 1; | ||
161 | |||
162 | current->state = TASK_INTERRUPTIBLE; | ||
163 | schedule(); | ||
164 | set_thread_flag(TIF_RESTORE_SIGMASK); | ||
165 | return -ERESTARTNOHAND; | ||
166 | } | ||
167 | |||
168 | asmlinkage int | ||
169 | do_rt_sigsuspend(sigset_t __user *uset, size_t sigsetsize, | ||
170 | struct pt_regs *regs, struct switch_stack *sw) | ||
171 | { | ||
172 | sigset_t set; | ||
173 | |||
174 | /* XXX: Don't preclude handling different sized sigset_t's. */ | ||
175 | if (sigsetsize != sizeof(sigset_t)) | ||
176 | return -EINVAL; | ||
177 | if (copy_from_user(&set, uset, sizeof(set))) | ||
178 | return -EFAULT; | ||
179 | |||
180 | sigdelsetmask(&set, ~_BLOCKABLE); | ||
181 | spin_lock_irq(¤t->sighand->siglock); | ||
182 | current->saved_sigmask = current->blocked; | ||
183 | current->blocked = set; | ||
184 | recalc_sigpending(); | ||
185 | spin_unlock_irq(¤t->sighand->siglock); | ||
186 | |||
187 | /* Indicate EINTR on return from any possible signal handler, | ||
188 | which will not come back through here, but via sigreturn. */ | ||
189 | regs->r0 = EINTR; | ||
190 | regs->r19 = 1; | ||
191 | |||
192 | current->state = TASK_INTERRUPTIBLE; | 156 | current->state = TASK_INTERRUPTIBLE; |
193 | schedule(); | 157 | schedule(); |
194 | set_thread_flag(TIF_RESTORE_SIGMASK); | 158 | set_thread_flag(TIF_RESTORE_SIGMASK); |