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Diffstat (limited to 'arch/s390/kernel/compat_signal.c')
-rw-r--r--arch/s390/kernel/compat_signal.c597
1 files changed, 597 insertions, 0 deletions
diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c
new file mode 100644
index 00000000..28040fd5
--- /dev/null
+++ b/arch/s390/kernel/compat_signal.c
@@ -0,0 +1,597 @@
+/*
+ * arch/s390/kernel/compat_signal.c
+ *
+ * Copyright (C) IBM Corp. 2000,2006
+ * Author(s): Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
+ * Gerhard Tonn (ton@de.ibm.com)
+ *
+ * Copyright (C) 1991, 1992 Linus Torvalds
+ *
+ * 1997-11-28 Modified for POSIX.1b signals by Richard Henderson
+ */
+
+#include <linux/compat.h>
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <linux/smp.h>
+#include <linux/kernel.h>
+#include <linux/signal.h>
+#include <linux/errno.h>
+#include <linux/wait.h>
+#include <linux/ptrace.h>
+#include <linux/unistd.h>
+#include <linux/stddef.h>
+#include <linux/tty.h>
+#include <linux/personality.h>
+#include <linux/binfmts.h>
+#include <asm/ucontext.h>
+#include <asm/uaccess.h>
+#include <asm/lowcore.h>
+#include <asm/switch_to.h>
+#include "compat_linux.h"
+#include "compat_ptrace.h"
+#include "entry.h"
+
+#define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
+
+typedef struct
+{
+ __u8 callee_used_stack[__SIGNAL_FRAMESIZE32];
+ struct sigcontext32 sc;
+ _sigregs32 sregs;
+ int signo;
+ __u32 gprs_high[NUM_GPRS];
+ __u8 retcode[S390_SYSCALL_SIZE];
+} sigframe32;
+
+typedef struct
+{
+ __u8 callee_used_stack[__SIGNAL_FRAMESIZE32];
+ __u8 retcode[S390_SYSCALL_SIZE];
+ compat_siginfo_t info;
+ struct ucontext32 uc;
+ __u32 gprs_high[NUM_GPRS];
+} rt_sigframe32;
+
+int copy_siginfo_to_user32(compat_siginfo_t __user *to, siginfo_t *from)
+{
+ int err;
+
+ if (!access_ok (VERIFY_WRITE, to, sizeof(compat_siginfo_t)))
+ return -EFAULT;
+
+ /* If you change siginfo_t structure, please be sure
+ this code is fixed accordingly.
+ It should never copy any pad contained in the structure
+ to avoid security leaks, but must copy the generic
+ 3 ints plus the relevant union member.
+ This routine must convert siginfo from 64bit to 32bit as well
+ at the same time. */
+ err = __put_user(from->si_signo, &to->si_signo);
+ err |= __put_user(from->si_errno, &to->si_errno);
+ err |= __put_user((short)from->si_code, &to->si_code);
+ if (from->si_code < 0)
+ err |= __copy_to_user(&to->_sifields._pad, &from->_sifields._pad, SI_PAD_SIZE);
+ else {
+ switch (from->si_code >> 16) {
+ case __SI_RT >> 16: /* This is not generated by the kernel as of now. */
+ case __SI_MESGQ >> 16:
+ err |= __put_user(from->si_int, &to->si_int);
+ /* fallthrough */
+ case __SI_KILL >> 16:
+ err |= __put_user(from->si_pid, &to->si_pid);
+ err |= __put_user(from->si_uid, &to->si_uid);
+ break;
+ case __SI_CHLD >> 16:
+ err |= __put_user(from->si_pid, &to->si_pid);
+ err |= __put_user(from->si_uid, &to->si_uid);
+ err |= __put_user(from->si_utime, &to->si_utime);
+ err |= __put_user(from->si_stime, &to->si_stime);
+ err |= __put_user(from->si_status, &to->si_status);
+ break;
+ case __SI_FAULT >> 16:
+ err |= __put_user((unsigned long) from->si_addr,
+ &to->si_addr);
+ break;
+ case __SI_POLL >> 16:
+ err |= __put_user(from->si_band, &to->si_band);
+ err |= __put_user(from->si_fd, &to->si_fd);
+ break;
+ case __SI_TIMER >> 16:
+ err |= __put_user(from->si_tid, &to->si_tid);
+ err |= __put_user(from->si_overrun, &to->si_overrun);
+ err |= __put_user(from->si_int, &to->si_int);
+ break;
+ default:
+ break;
+ }
+ }
+ return err;
+}
+
+int copy_siginfo_from_user32(siginfo_t *to, compat_siginfo_t __user *from)
+{
+ int err;
+ u32 tmp;
+
+ if (!access_ok (VERIFY_READ, from, sizeof(compat_siginfo_t)))
+ return -EFAULT;
+
+ err = __get_user(to->si_signo, &from->si_signo);
+ err |= __get_user(to->si_errno, &from->si_errno);
+ err |= __get_user(to->si_code, &from->si_code);
+
+ if (to->si_code < 0)
+ err |= __copy_from_user(&to->_sifields._pad, &from->_sifields._pad, SI_PAD_SIZE);
+ else {
+ switch (to->si_code >> 16) {
+ case __SI_RT >> 16: /* This is not generated by the kernel as of now. */
+ case __SI_MESGQ >> 16:
+ err |= __get_user(to->si_int, &from->si_int);
+ /* fallthrough */
+ case __SI_KILL >> 16:
+ err |= __get_user(to->si_pid, &from->si_pid);
+ err |= __get_user(to->si_uid, &from->si_uid);
+ break;
+ case __SI_CHLD >> 16:
+ err |= __get_user(to->si_pid, &from->si_pid);
+ err |= __get_user(to->si_uid, &from->si_uid);
+ err |= __get_user(to->si_utime, &from->si_utime);
+ err |= __get_user(to->si_stime, &from->si_stime);
+ err |= __get_user(to->si_status, &from->si_status);
+ break;
+ case __SI_FAULT >> 16:
+ err |= __get_user(tmp, &from->si_addr);
+ to->si_addr = (void __force __user *)
+ (u64) (tmp & PSW32_ADDR_INSN);
+ break;
+ case __SI_POLL >> 16:
+ err |= __get_user(to->si_band, &from->si_band);
+ err |= __get_user(to->si_fd, &from->si_fd);
+ break;
+ case __SI_TIMER >> 16:
+ err |= __get_user(to->si_tid, &from->si_tid);
+ err |= __get_user(to->si_overrun, &from->si_overrun);
+ err |= __get_user(to->si_int, &from->si_int);
+ break;
+ default:
+ break;
+ }
+ }
+ return err;
+}
+
+asmlinkage long
+sys32_sigaction(int sig, const struct old_sigaction32 __user *act,
+ struct old_sigaction32 __user *oact)
+{
+ struct k_sigaction new_ka, old_ka;
+ unsigned long sa_handler, sa_restorer;
+ int ret;
+
+ if (act) {
+ compat_old_sigset_t mask;
+ if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
+ __get_user(sa_handler, &act->sa_handler) ||
+ __get_user(sa_restorer, &act->sa_restorer) ||
+ __get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
+ __get_user(mask, &act->sa_mask))
+ return -EFAULT;
+ new_ka.sa.sa_handler = (__sighandler_t) sa_handler;
+ new_ka.sa.sa_restorer = (void (*)(void)) sa_restorer;
+ siginitset(&new_ka.sa.sa_mask, mask);
+ }
+
+ ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
+
+ if (!ret && oact) {
+ sa_handler = (unsigned long) old_ka.sa.sa_handler;
+ sa_restorer = (unsigned long) old_ka.sa.sa_restorer;
+ if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
+ __put_user(sa_handler, &oact->sa_handler) ||
+ __put_user(sa_restorer, &oact->sa_restorer) ||
+ __put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
+ __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))
+ return -EFAULT;
+ }
+
+ return ret;
+}
+
+asmlinkage long
+sys32_rt_sigaction(int sig, const struct sigaction32 __user *act,
+ struct sigaction32 __user *oact, size_t sigsetsize)
+{
+ struct k_sigaction new_ka, old_ka;
+ unsigned long sa_handler;
+ int ret;
+ compat_sigset_t set32;
+
+ /* XXX: Don't preclude handling different sized sigset_t's. */
+ if (sigsetsize != sizeof(compat_sigset_t))
+ return -EINVAL;
+
+ if (act) {
+ ret = get_user(sa_handler, &act->sa_handler);
+ ret |= __copy_from_user(&set32, &act->sa_mask,
+ sizeof(compat_sigset_t));
+ new_ka.sa.sa_mask.sig[0] =
+ set32.sig[0] | (((long)set32.sig[1]) << 32);
+ ret |= __get_user(new_ka.sa.sa_flags, &act->sa_flags);
+
+ if (ret)
+ return -EFAULT;
+ new_ka.sa.sa_handler = (__sighandler_t) sa_handler;
+ }
+
+ ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
+
+ if (!ret && oact) {
+ set32.sig[1] = (old_ka.sa.sa_mask.sig[0] >> 32);
+ set32.sig[0] = old_ka.sa.sa_mask.sig[0];
+ ret = put_user((unsigned long)old_ka.sa.sa_handler, &oact->sa_handler);
+ ret |= __copy_to_user(&oact->sa_mask, &set32,
+ sizeof(compat_sigset_t));
+ ret |= __put_user(old_ka.sa.sa_flags, &oact->sa_flags);
+ }
+
+ return ret;
+}
+
+asmlinkage long
+sys32_sigaltstack(const stack_t32 __user *uss, stack_t32 __user *uoss)
+{
+ struct pt_regs *regs = task_pt_regs(current);
+ stack_t kss, koss;
+ unsigned long ss_sp;
+ int ret, err = 0;
+ mm_segment_t old_fs = get_fs();
+
+ if (uss) {
+ if (!access_ok(VERIFY_READ, uss, sizeof(*uss)))
+ return -EFAULT;
+ err |= __get_user(ss_sp, &uss->ss_sp);
+ err |= __get_user(kss.ss_size, &uss->ss_size);
+ err |= __get_user(kss.ss_flags, &uss->ss_flags);
+ if (err)
+ return -EFAULT;
+ kss.ss_sp = (void __user *) ss_sp;
+ }
+
+ set_fs (KERNEL_DS);
+ ret = do_sigaltstack((stack_t __force __user *) (uss ? &kss : NULL),
+ (stack_t __force __user *) (uoss ? &koss : NULL),
+ regs->gprs[15]);
+ set_fs (old_fs);
+
+ if (!ret && uoss) {
+ if (!access_ok(VERIFY_WRITE, uoss, sizeof(*uoss)))
+ return -EFAULT;
+ ss_sp = (unsigned long) koss.ss_sp;
+ err |= __put_user(ss_sp, &uoss->ss_sp);
+ err |= __put_user(koss.ss_size, &uoss->ss_size);
+ err |= __put_user(koss.ss_flags, &uoss->ss_flags);
+ if (err)
+ return -EFAULT;
+ }
+ return ret;
+}
+
+static int save_sigregs32(struct pt_regs *regs, _sigregs32 __user *sregs)
+{
+ _s390_regs_common32 regs32;
+ int err, i;
+
+ regs32.psw.mask = psw32_user_bits |
+ ((__u32)(regs->psw.mask >> 32) & PSW32_MASK_USER);
+ regs32.psw.addr = (__u32) regs->psw.addr |
+ (__u32)(regs->psw.mask & PSW_MASK_BA);
+ for (i = 0; i < NUM_GPRS; i++)
+ regs32.gprs[i] = (__u32) regs->gprs[i];
+ save_access_regs(current->thread.acrs);
+ memcpy(regs32.acrs, current->thread.acrs, sizeof(regs32.acrs));
+ err = __copy_to_user(&sregs->regs, &regs32, sizeof(regs32));
+ if (err)
+ return err;
+ save_fp_regs(&current->thread.fp_regs);
+ /* s390_fp_regs and _s390_fp_regs32 are the same ! */
+ return __copy_to_user(&sregs->fpregs, &current->thread.fp_regs,
+ sizeof(_s390_fp_regs32));
+}
+
+static int restore_sigregs32(struct pt_regs *regs,_sigregs32 __user *sregs)
+{
+ _s390_regs_common32 regs32;
+ int err, i;
+
+ /* Alwys make any pending restarted system call return -EINTR */
+ current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
+ err = __copy_from_user(&regs32, &sregs->regs, sizeof(regs32));
+ if (err)
+ return err;
+ regs->psw.mask = (regs->psw.mask & ~PSW_MASK_USER) |
+ (__u64)(regs32.psw.mask & PSW32_MASK_USER) << 32 |
+ (__u64)(regs32.psw.addr & PSW32_ADDR_AMODE);
+ regs->psw.addr = (__u64)(regs32.psw.addr & PSW32_ADDR_INSN);
+ for (i = 0; i < NUM_GPRS; i++)
+ regs->gprs[i] = (__u64) regs32.gprs[i];
+ memcpy(current->thread.acrs, regs32.acrs, sizeof(current->thread.acrs));
+ restore_access_regs(current->thread.acrs);
+
+ err = __copy_from_user(&current->thread.fp_regs, &sregs->fpregs,
+ sizeof(_s390_fp_regs32));
+ current->thread.fp_regs.fpc &= FPC_VALID_MASK;
+ if (err)
+ return err;
+
+ restore_fp_regs(&current->thread.fp_regs);
+ clear_thread_flag(TIF_SYSCALL); /* No longer in a system call */
+ return 0;
+}
+
+static int save_sigregs_gprs_high(struct pt_regs *regs, __u32 __user *uregs)
+{
+ __u32 gprs_high[NUM_GPRS];
+ int i;
+
+ for (i = 0; i < NUM_GPRS; i++)
+ gprs_high[i] = regs->gprs[i] >> 32;
+
+ return __copy_to_user(uregs, &gprs_high, sizeof(gprs_high));
+}
+
+static int restore_sigregs_gprs_high(struct pt_regs *regs, __u32 __user *uregs)
+{
+ __u32 gprs_high[NUM_GPRS];
+ int err, i;
+
+ err = __copy_from_user(&gprs_high, uregs, sizeof(gprs_high));
+ if (err)
+ return err;
+ for (i = 0; i < NUM_GPRS; i++)
+ *(__u32 *)&regs->gprs[i] = gprs_high[i];
+ return 0;
+}
+
+asmlinkage long sys32_sigreturn(void)
+{
+ struct pt_regs *regs = task_pt_regs(current);
+ sigframe32 __user *frame = (sigframe32 __user *)regs->gprs[15];
+ sigset_t set;
+
+ if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
+ goto badframe;
+ if (__copy_from_user(&set.sig, &frame->sc.oldmask, _SIGMASK_COPY_SIZE32))
+ goto badframe;
+ sigdelsetmask(&set, ~_BLOCKABLE);
+ set_current_blocked(&set);
+ if (restore_sigregs32(regs, &frame->sregs))
+ goto badframe;
+ if (restore_sigregs_gprs_high(regs, frame->gprs_high))
+ goto badframe;
+ return regs->gprs[2];
+badframe:
+ force_sig(SIGSEGV, current);
+ return 0;
+}
+
+asmlinkage long sys32_rt_sigreturn(void)
+{
+ struct pt_regs *regs = task_pt_regs(current);
+ rt_sigframe32 __user *frame = (rt_sigframe32 __user *)regs->gprs[15];
+ sigset_t set;
+ stack_t st;
+ __u32 ss_sp;
+ int err;
+ mm_segment_t old_fs = get_fs();
+
+ if (!access_ok(VERIFY_READ, frame, sizeof(*frame)))
+ goto badframe;
+ if (__copy_from_user(&set, &frame->uc.uc_sigmask, sizeof(set)))
+ goto badframe;
+ sigdelsetmask(&set, ~_BLOCKABLE);
+ set_current_blocked(&set);
+ if (restore_sigregs32(regs, &frame->uc.uc_mcontext))
+ goto badframe;
+ if (restore_sigregs_gprs_high(regs, frame->gprs_high))
+ goto badframe;
+ err = __get_user(ss_sp, &frame->uc.uc_stack.ss_sp);
+ st.ss_sp = compat_ptr(ss_sp);
+ err |= __get_user(st.ss_size, &frame->uc.uc_stack.ss_size);
+ err |= __get_user(st.ss_flags, &frame->uc.uc_stack.ss_flags);
+ if (err)
+ goto badframe;
+ set_fs (KERNEL_DS);
+ do_sigaltstack((stack_t __force __user *)&st, NULL, regs->gprs[15]);
+ set_fs (old_fs);
+ return regs->gprs[2];
+badframe:
+ force_sig(SIGSEGV, current);
+ return 0;
+}
+
+/*
+ * Set up a signal frame.
+ */
+
+
+/*
+ * Determine which stack to use..
+ */
+static inline void __user *
+get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size)
+{
+ unsigned long sp;
+
+ /* Default to using normal stack */
+ sp = (unsigned long) A(regs->gprs[15]);
+
+ /* Overflow on alternate signal stack gives SIGSEGV. */
+ if (on_sig_stack(sp) && !on_sig_stack((sp - frame_size) & -8UL))
+ return (void __user *) -1UL;
+
+ /* This is the X/Open sanctioned signal stack switching. */
+ if (ka->sa.sa_flags & SA_ONSTACK) {
+ if (! sas_ss_flags(sp))
+ sp = current->sas_ss_sp + current->sas_ss_size;
+ }
+
+ /* This is the legacy signal stack switching. */
+ else if (!user_mode(regs) &&
+ !(ka->sa.sa_flags & SA_RESTORER) &&
+ ka->sa.sa_restorer) {
+ sp = (unsigned long) ka->sa.sa_restorer;
+ }
+
+ return (void __user *)((sp - frame_size) & -8ul);
+}
+
+static inline int map_signal(int sig)
+{
+ if (current_thread_info()->exec_domain
+ && current_thread_info()->exec_domain->signal_invmap
+ && sig < 32)
+ return current_thread_info()->exec_domain->signal_invmap[sig];
+ else
+ return sig;
+}
+
+static int setup_frame32(int sig, struct k_sigaction *ka,
+ sigset_t *set, struct pt_regs * regs)
+{
+ sigframe32 __user *frame = get_sigframe(ka, regs, sizeof(sigframe32));
+ if (!access_ok(VERIFY_WRITE, frame, sizeof(sigframe32)))
+ goto give_sigsegv;
+
+ if (frame == (void __user *) -1UL)
+ goto give_sigsegv;
+
+ if (__copy_to_user(&frame->sc.oldmask, &set->sig, _SIGMASK_COPY_SIZE32))
+ goto give_sigsegv;
+
+ if (save_sigregs32(regs, &frame->sregs))
+ goto give_sigsegv;
+ if (save_sigregs_gprs_high(regs, frame->gprs_high))
+ goto give_sigsegv;
+ if (__put_user((unsigned long) &frame->sregs, &frame->sc.sregs))
+ goto give_sigsegv;
+
+ /* Set up to return from userspace. If provided, use a stub
+ already in userspace. */
+ if (ka->sa.sa_flags & SA_RESTORER) {
+ regs->gprs[14] = (__u64) ka->sa.sa_restorer | PSW32_ADDR_AMODE;
+ } else {
+ regs->gprs[14] = (__u64) frame->retcode | PSW32_ADDR_AMODE;
+ if (__put_user(S390_SYSCALL_OPCODE | __NR_sigreturn,
+ (u16 __force __user *)(frame->retcode)))
+ goto give_sigsegv;
+ }
+
+ /* Set up backchain. */
+ if (__put_user(regs->gprs[15], (unsigned int __user *) frame))
+ goto give_sigsegv;
+
+ /* Set up registers for signal handler */
+ regs->gprs[15] = (__force __u64) frame;
+ regs->psw.mask |= PSW_MASK_BA; /* force amode 31 */
+ regs->psw.addr = (__force __u64) ka->sa.sa_handler;
+
+ regs->gprs[2] = map_signal(sig);
+ regs->gprs[3] = (__force __u64) &frame->sc;
+
+ /* We forgot to include these in the sigcontext.
+ To avoid breaking binary compatibility, they are passed as args. */
+ if (sig == SIGSEGV || sig == SIGBUS || sig == SIGILL ||
+ sig == SIGTRAP || sig == SIGFPE) {
+ /* set extra registers only for synchronous signals */
+ regs->gprs[4] = regs->int_code & 127;
+ regs->gprs[5] = regs->int_parm_long;
+ }
+
+ /* Place signal number on stack to allow backtrace from handler. */
+ if (__put_user(regs->gprs[2], (int __force __user *) &frame->signo))
+ goto give_sigsegv;
+ return 0;
+
+give_sigsegv:
+ force_sigsegv(sig, current);
+ return -EFAULT;
+}
+
+static int setup_rt_frame32(int sig, struct k_sigaction *ka, siginfo_t *info,
+ sigset_t *set, struct pt_regs * regs)
+{
+ int err = 0;
+ rt_sigframe32 __user *frame = get_sigframe(ka, regs, sizeof(rt_sigframe32));
+ if (!access_ok(VERIFY_WRITE, frame, sizeof(rt_sigframe32)))
+ goto give_sigsegv;
+
+ if (frame == (void __user *) -1UL)
+ goto give_sigsegv;
+
+ if (copy_siginfo_to_user32(&frame->info, info))
+ goto give_sigsegv;
+
+ /* Create the ucontext. */
+ err |= __put_user(UC_EXTENDED, &frame->uc.uc_flags);
+ err |= __put_user(0, &frame->uc.uc_link);
+ err |= __put_user(current->sas_ss_sp, &frame->uc.uc_stack.ss_sp);
+ err |= __put_user(sas_ss_flags(regs->gprs[15]),
+ &frame->uc.uc_stack.ss_flags);
+ err |= __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size);
+ err |= save_sigregs32(regs, &frame->uc.uc_mcontext);
+ err |= save_sigregs_gprs_high(regs, frame->gprs_high);
+ err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
+ if (err)
+ goto give_sigsegv;
+
+ /* Set up to return from userspace. If provided, use a stub
+ already in userspace. */
+ if (ka->sa.sa_flags & SA_RESTORER) {
+ regs->gprs[14] = (__u64) ka->sa.sa_restorer | PSW32_ADDR_AMODE;
+ } else {
+ regs->gprs[14] = (__u64) frame->retcode | PSW32_ADDR_AMODE;
+ err |= __put_user(S390_SYSCALL_OPCODE | __NR_rt_sigreturn,
+ (u16 __force __user *)(frame->retcode));
+ }
+
+ /* Set up backchain. */
+ if (__put_user(regs->gprs[15], (unsigned int __force __user *) frame))
+ goto give_sigsegv;
+
+ /* Set up registers for signal handler */
+ regs->gprs[15] = (__force __u64) frame;
+ regs->psw.mask |= PSW_MASK_BA; /* force amode 31 */
+ regs->psw.addr = (__u64) ka->sa.sa_handler;
+
+ regs->gprs[2] = map_signal(sig);
+ regs->gprs[3] = (__force __u64) &frame->info;
+ regs->gprs[4] = (__force __u64) &frame->uc;
+ return 0;
+
+give_sigsegv:
+ force_sigsegv(sig, current);
+ return -EFAULT;
+}
+
+/*
+ * OK, we're invoking a handler
+ */
+
+int handle_signal32(unsigned long sig, struct k_sigaction *ka,
+ siginfo_t *info, sigset_t *oldset, struct pt_regs *regs)
+{
+ int ret;
+
+ /* Set up the stack frame */
+ if (ka->sa.sa_flags & SA_SIGINFO)
+ ret = setup_rt_frame32(sig, ka, info, oldset, regs);
+ else
+ ret = setup_frame32(sig, ka, oldset, regs);
+ if (ret)
+ return ret;
+ block_sigmask(ka, sig);
+ return 0;
+}
+
generated by cgit (git 2.34.1) at 2024-12-20 14:48:52 +0000