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[Qemu-devel] [PATCH v2 030/108] linux-user: Split out rt_sigprocmask, sg
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v2 030/108] linux-user: Split out rt_sigprocmask, sgetmask, sigprocmask, ssetmask |
Date: |
Sat, 9 Jun 2018 17:01:02 -1000 |
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 cdb4dd5bb4..cc818ea65e 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8697,6 +8697,65 @@ 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));
@@ -8793,6 +8852,95 @@ 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)
{
@@ -9034,142 +9182,6 @@ static abi_long do_syscall1(void *cpu_env, unsigned
num, abi_long arg1,
void *p;
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:
{
@@ -12743,11 +12755,21 @@ static impl_fn *syscall_table(unsigned num)
SYSCALL(rmdir);
#endif
SYSCALL(rt_sigaction);
+ SYSCALL(rt_sigprocmask);
+#ifdef TARGET_NR_sgetmask
+ SYSCALL(sgetmask);
+#endif
SYSCALL(setpgid);
SYSCALL(setsid);
#ifdef TARGET_NR_sigaction
SYSCALL(sigaction);
#endif
+#ifdef TARGET_NR_sigprocmask
+ SYSCALL(sigprocmask);
+#endif
+#ifdef TARGET_NR_ssetmask
+ SYSCALL(ssetmask);
+#endif
#ifdef TARGET_NR_stime
SYSCALL(stime);
#endif
--
2.17.1
- [Qemu-devel] [PATCH v2 020/108] linux-user: Split out mount, umount, (continued)
- [Qemu-devel] [PATCH v2 020/108] linux-user: Split out mount, umount, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 021/108] linux-user: Split out alarm, pause, stime, utime, utimes, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 022/108] linux-user: Split out access, faccessat, futimesat, kill, nice, sync, syncfs, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 023/108] linux-user: Split out rename, renameat, renameat2, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 024/108] linux-user: Split out dup, mkdir, mkdirat, rmdir, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 025/108] linux-user: Split out acct, pipe, pipe2, times, umount2, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 027/108] linux-user: Split out chroot, dup2, dup3, fcntl, setpgid, umask, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 026/108] linux-user: Split out ioctl, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 028/108] linux-user: Split out getpgrp, getppid, setsid, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 029/108] linux-user: Split out rt_sigaction, sigaction, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 030/108] linux-user: Split out rt_sigprocmask, sgetmask, sigprocmask, ssetmask,
Richard Henderson <=
- [Qemu-devel] [PATCH v2 031/108] linux-user: Split out rt_sigpending, rt_sigsuspend, sigpending, sigsuspend, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 032/108] linux-user: Split out rt_sigqueueinfo, rt_sigtimedwait, rt_tgsigqueueinfo, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 033/108] linux-user: Split out rt_sigreturn, sethostname, setrlimit, sigreturn, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 036/108] linux-user: Split out symlink, symlinkat, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 035/108] linux-user: Split out select, pselect6, newselect, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 034/108] linux-user: Split out getrlimit, getrusage, gettimeofday, settimeofday, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 037/108] linux-user: Split out readlink, readlinkat, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 038/108] linux-user: Split out mmap, mmap2, reboot, swapon, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 039/108] linux-user: Split out mprotect, mremap, msync, munmap, Richard Henderson, 2018/06/09
- [Qemu-devel] [PATCH v2 040/108] linux-user: Split out mlock, mlockall, munlock, munlockall, Richard Henderson, 2018/06/09