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[Qemu-devel] [PATCH 31/33] linux-user: Split out rt_sigprocmask, sgetmas
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH 31/33] linux-user: Split out rt_sigprocmask, sgetmask, sigprocmask, ssetmask |
Date: |
Fri, 1 Jun 2018 00:30:48 -0700 |
Signed-off-by: Richard Henderson <address@hidden>
---
linux-user/syscall.c | 294 +++++++++++++++++++++++--------------------
1 file changed, 158 insertions(+), 136 deletions(-)
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 36e2bb838e..e37a3ab643 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8805,6 +8805,65 @@ IMPL(rt_sigaction)
return ret;
}
+IMPL(rt_sigprocmask)
+{
+ int how = 0;
+ sigset_t set, oldset, *set_ptr = NULL;
+ abi_long ret;
+ target_sigset_t *p;
+
+ if (arg4 != sizeof(target_sigset_t)) {
+ return -TARGET_EINVAL;
+ }
+
+ if (arg2) {
+ switch (arg1) {
+ case TARGET_SIG_BLOCK:
+ how = SIG_BLOCK;
+ break;
+ case TARGET_SIG_UNBLOCK:
+ how = SIG_UNBLOCK;
+ break;
+ case TARGET_SIG_SETMASK:
+ how = SIG_SETMASK;
+ break;
+ default:
+ return -TARGET_EINVAL;
+ }
+ p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1);
+ if (!p) {
+ return -TARGET_EFAULT;
+ }
+ target_to_host_sigset(&set, p);
+ unlock_user(p, arg2, 0);
+ set_ptr = &set;
+ }
+ ret = do_sigprocmask(how, set_ptr, &oldset);
+ if (!is_error(ret) && arg3) {
+ p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0);
+ if (!p) {
+ return -TARGET_EFAULT;
+ }
+ host_to_target_sigset(p, &oldset);
+ unlock_user(p, arg3, sizeof(target_sigset_t));
+ }
+ return ret;
+}
+
+#ifdef TARGET_NR_sgetmask
+IMPL(sgetmask)
+{
+ sigset_t cur_set;
+ abi_ulong target_set;
+ abi_long ret = do_sigprocmask(0, NULL, &cur_set);
+ if (!ret) {
+ host_to_target_old_sigset(&target_set, &cur_set);
+ ret = target_set;
+ }
+ return ret;
+}
+#endif
+
IMPL(setpgid)
{
return get_errno(setpgid(arg1, arg2));
@@ -8901,6 +8960,95 @@ IMPL(sigaction)
}
#endif
+#ifdef TARGET_NR_sigprocmask
+IMPL(sigprocmask)
+{
+ abi_long ret;
+# ifdef TARGET_ALPHA
+ sigset_t set, oldset;
+ abi_ulong mask;
+ int how;
+
+ switch (arg1) {
+ case TARGET_SIG_BLOCK:
+ how = SIG_BLOCK;
+ break;
+ case TARGET_SIG_UNBLOCK:
+ how = SIG_UNBLOCK;
+ break;
+ case TARGET_SIG_SETMASK:
+ how = SIG_SETMASK;
+ break;
+ default:
+ return -TARGET_EINVAL;
+ }
+ mask = arg2;
+ target_to_host_old_sigset(&set, &mask);
+
+ ret = do_sigprocmask(how, &set, &oldset);
+ if (!is_error(ret)) {
+ host_to_target_old_sigset(&mask, &oldset);
+ ret = mask;
+ ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */
+ }
+# else
+ sigset_t set, oldset, *set_ptr = NULL;
+ int how = 0;
+ abi_ulong *p;
+
+ if (arg2) {
+ switch (arg1) {
+ case TARGET_SIG_BLOCK:
+ how = SIG_BLOCK;
+ break;
+ case TARGET_SIG_UNBLOCK:
+ how = SIG_UNBLOCK;
+ break;
+ case TARGET_SIG_SETMASK:
+ how = SIG_SETMASK;
+ break;
+ default:
+ return -TARGET_EINVAL;
+ }
+ p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1);
+ if (!p) {
+ return -TARGET_EFAULT;
+ }
+ target_to_host_old_sigset(&set, p);
+ unlock_user(p, arg2, 0);
+ set_ptr = &set;
+ }
+ ret = do_sigprocmask(how, set_ptr, &oldset);
+ if (!is_error(ret) && arg3) {
+ p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0);
+ if (!p) {
+ return -TARGET_EFAULT;
+ }
+ host_to_target_old_sigset(p, &oldset);
+ unlock_user(p, arg3, sizeof(target_sigset_t));
+ }
+# endif
+ return ret;
+}
+#endif
+
+#ifdef TARGET_NR_ssetmask
+IMPL(ssetmask)
+{
+ sigset_t set, oset;
+ abi_ulong target_set = arg1;
+ abi_long ret;
+
+ target_to_host_old_sigset(&set, &target_set);
+ ret = do_sigprocmask(SIG_SETMASK, &set, &oset);
+ if (!ret) {
+ host_to_target_old_sigset(&target_set, &oset);
+ ret = target_set;
+ }
+ return ret;
+}
+#endif
+
#ifdef TARGET_NR_stime
IMPL(stime)
{
@@ -9152,142 +9300,6 @@ IMPL(everything_else)
char *fn;
switch(num) {
-#ifdef TARGET_NR_sgetmask /* not on alpha */
- case TARGET_NR_sgetmask:
- {
- sigset_t cur_set;
- abi_ulong target_set;
- ret = do_sigprocmask(0, NULL, &cur_set);
- if (!ret) {
- host_to_target_old_sigset(&target_set, &cur_set);
- ret = target_set;
- }
- }
- return ret;
-#endif
-#ifdef TARGET_NR_ssetmask /* not on alpha */
- case TARGET_NR_ssetmask:
- {
- sigset_t set, oset;
- abi_ulong target_set = arg1;
- target_to_host_old_sigset(&set, &target_set);
- ret = do_sigprocmask(SIG_SETMASK, &set, &oset);
- if (!ret) {
- host_to_target_old_sigset(&target_set, &oset);
- ret = target_set;
- }
- }
- return ret;
-#endif
-#ifdef TARGET_NR_sigprocmask
- case TARGET_NR_sigprocmask:
- {
-#if defined(TARGET_ALPHA)
- sigset_t set, oldset;
- abi_ulong mask;
- int how;
-
- switch (arg1) {
- case TARGET_SIG_BLOCK:
- how = SIG_BLOCK;
- break;
- case TARGET_SIG_UNBLOCK:
- how = SIG_UNBLOCK;
- break;
- case TARGET_SIG_SETMASK:
- how = SIG_SETMASK;
- break;
- default:
- return -TARGET_EINVAL;
- }
- mask = arg2;
- target_to_host_old_sigset(&set, &mask);
-
- ret = do_sigprocmask(how, &set, &oldset);
- if (!is_error(ret)) {
- host_to_target_old_sigset(&mask, &oldset);
- ret = mask;
- ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */
- }
-#else
- sigset_t set, oldset, *set_ptr;
- int how;
-
- if (arg2) {
- switch (arg1) {
- case TARGET_SIG_BLOCK:
- how = SIG_BLOCK;
- break;
- case TARGET_SIG_UNBLOCK:
- how = SIG_UNBLOCK;
- break;
- case TARGET_SIG_SETMASK:
- how = SIG_SETMASK;
- break;
- default:
- return -TARGET_EINVAL;
- }
- if (!(p = lock_user(VERIFY_READ, arg2,
sizeof(target_sigset_t), 1)))
- return -TARGET_EFAULT;
- target_to_host_old_sigset(&set, p);
- unlock_user(p, arg2, 0);
- set_ptr = &set;
- } else {
- how = 0;
- set_ptr = NULL;
- }
- ret = do_sigprocmask(how, set_ptr, &oldset);
- if (!is_error(ret) && arg3) {
- if (!(p = lock_user(VERIFY_WRITE, arg3,
sizeof(target_sigset_t), 0)))
- return -TARGET_EFAULT;
- host_to_target_old_sigset(p, &oldset);
- unlock_user(p, arg3, sizeof(target_sigset_t));
- }
-#endif
- }
- return ret;
-#endif
- case TARGET_NR_rt_sigprocmask:
- {
- int how = arg1;
- sigset_t set, oldset, *set_ptr;
-
- if (arg4 != sizeof(target_sigset_t)) {
- return -TARGET_EINVAL;
- }
-
- if (arg2) {
- switch(how) {
- case TARGET_SIG_BLOCK:
- how = SIG_BLOCK;
- break;
- case TARGET_SIG_UNBLOCK:
- how = SIG_UNBLOCK;
- break;
- case TARGET_SIG_SETMASK:
- how = SIG_SETMASK;
- break;
- default:
- return -TARGET_EINVAL;
- }
- if (!(p = lock_user(VERIFY_READ, arg2,
sizeof(target_sigset_t), 1)))
- return -TARGET_EFAULT;
- target_to_host_sigset(&set, p);
- unlock_user(p, arg2, 0);
- set_ptr = &set;
- } else {
- how = 0;
- set_ptr = NULL;
- }
- ret = do_sigprocmask(how, set_ptr, &oldset);
- if (!is_error(ret) && arg3) {
- if (!(p = lock_user(VERIFY_WRITE, arg3,
sizeof(target_sigset_t), 0)))
- return -TARGET_EFAULT;
- host_to_target_sigset(p, &oldset);
- unlock_user(p, arg3, sizeof(target_sigset_t));
- }
- }
- return ret;
#ifdef TARGET_NR_sigpending
case TARGET_NR_sigpending:
{
@@ -13100,11 +13112,21 @@ static impl_fn * const syscall_table[] = {
[TARGET_NR_rmdir] = impl_rmdir,
#endif
[TARGET_NR_rt_sigaction] = impl_rt_sigaction,
+ [TARGET_NR_rt_sigprocmask] = impl_rt_sigprocmask,
+#ifdef TARGET_NR_sgetmask
+ [TARGET_NR_sgetmask] = impl_sgetmask,
+#endif
[TARGET_NR_setpgid] = impl_setpgid,
[TARGET_NR_setsid] = impl_setsid,
#ifdef TARGET_NR_sigaction
[TARGET_NR_sigaction] = impl_sigaction,
#endif
+#ifdef TARGET_NR_sigprocmask
+ [TARGET_NR_sigprocmask] = impl_sigprocmask,
+#endif
+#ifdef TARGET_NR_ssetmask
+ [TARGET_NR_ssetmask] = impl_ssetmask,
+#endif
#ifdef TARGET_NR_stime
[TARGET_NR_stime] = impl_stime,
#endif
--
2.17.0
- [Qemu-devel] [PATCH 21/33] linux-user: Split out mount, umount, (continued)
- [Qemu-devel] [PATCH 21/33] linux-user: Split out mount, umount, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 22/33] linux-user: Split out alarm, pause, stime, utime, utimes, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 23/33] linux-user: Split out access, faccessat, futimesat, kill, nice, sync, syncfs, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 26/33] linux-user: Split out acct, pipe, pipe2, times, umount2, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 25/33] linux-user: Split out dup, mkdir, mkdirat, rmdir, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 24/33] linux-user: Split out rename, renameat, renameat2, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 27/33] linux-user: Split out ioctl, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 28/33] linux-user: Split out chroot, dup2, dup3, fcntl, setpgid, umask, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 29/33] linux-user: Split out getpgrp, getppid, setsid, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 32/33] linux-user: Split out rt_sigpending, rt_sigsuspend, sigpending, sigsuspend, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 31/33] linux-user: Split out rt_sigprocmask, sgetmask, sigprocmask, ssetmask,
Richard Henderson <=
- [Qemu-devel] [PATCH 30/33] linux-user: Split out rt_sigaction, sigaction, Richard Henderson, 2018/06/01
- [Qemu-devel] [PATCH 33/33] linux-user: Split out rt_sigqueueinfo, rt_sigtimedwait, rt_tgsigqueueinfo, Richard Henderson, 2018/06/01
- Re: [Qemu-devel] [PATCH 00/33] linux-user: Begin splitting do_syscall, Richard Henderson, 2018/06/01
- Re: [Qemu-devel] [PATCH 00/33] linux-user: Begin splitting do_syscall, no-reply, 2018/06/01