[v7,34/74] linux-user: Split out alarm, pause

Commit Message

Richard Henderson May 19, 2019, 8:36 p.m. UTC

Signed-off-by: Richard Henderson <[e-mail]>
---
 linux-user/syscall-defs.h    |  6 ++++++
 linux-user/syscall-sig.inc.c | 36 ++++++++++++++++++++++++++++++++++++
 linux-user/syscall.c         | 12 +-----------
 linux-user/strace.list       |  6 ------
 4 files changed, 43 insertions(+), 17 deletions(-)
 create mode 100644 linux-user/syscall-sig.inc.c

Patch

diff --git a/linux-user/syscall-defs.h b/linux-user/syscall-defs.h
index 6ca82af397..9d0dd7457b 100644
--- a/linux-user/syscall-defs.h
+++ b/linux-user/syscall-defs.h
@@ -16,6 +16,9 @@ 
  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
+#ifdef TARGET_NR_alarm
+SYSCALL_DEF(alarm, ARG_DEC);
+#endif
 SYSCALL_DEF_FULL(brk, .impl = impl_brk,
                  .print_ret = print_syscall_ptr_ret,
                  .arg_type = { ARG_PTR });
@@ -106,6 +109,9 @@  SYSCALL_DEF(open, ARG_STR, ARG_OPENFLAG, ARG_MODEFLAG);
 #endif
 SYSCALL_DEF(openat, ARG_ATDIRFD, ARG_STR, ARG_OPENFLAG, ARG_MODEFLAG);
 SYSCALL_DEF(open_by_handle_at, ARG_DEC, ARG_PTR, ARG_OPENFLAG);
+#ifdef TARGET_NR_pause
+SYSCALL_DEF(pause);
+#endif
 SYSCALL_DEF_FULL(pread64, .impl = impl_pread64,
                  .args = args_pread64_pwrite64,
                  .arg_type = { ARG_DEC, ARG_PTR, ARG_DEC, ARG_DEC64 });
diff --git a/linux-user/syscall-sig.inc.c b/linux-user/syscall-sig.inc.c
new file mode 100644
index 0000000000..f4e43eb00e
--- /dev/null
+++ b/linux-user/syscall-sig.inc.c
@@ -0,0 +1,36 @@ 
+/*
+ *  Linux signal related syscalls
+ *  Copyright (c) 2003 Fabrice Bellard
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifdef TARGET_NR_alarm
+SYSCALL_IMPL(alarm)
+{
+    return alarm(arg1);
+}
+#endif
+
+#ifdef TARGET_NR_pause
+SYSCALL_IMPL(pause)
+{
+    if (!block_signals()) {
+        CPUState *cpu = ENV_GET_CPU(cpu_env);
+        TaskState *ts = cpu->opaque;
+        sigsuspend(&ts->signal_mask);
+    }
+    return -TARGET_EINTR;
+}
+#endif
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index ae56ecbbc7..96e77ea38f 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -5380,17 +5380,6 @@  static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
     void *p;
 
     switch(num) {
-#ifdef TARGET_NR_alarm /* not on alpha */
-    case TARGET_NR_alarm:
-        return alarm(arg1);
-#endif
-#ifdef TARGET_NR_pause /* not on alpha */
-    case TARGET_NR_pause:
-        if (!block_signals()) {
-            sigsuspend(&((TaskState *)cpu->opaque)->signal_mask);
-        }
-        return -TARGET_EINTR;
-#endif
 #ifdef TARGET_NR_utime
     case TARGET_NR_utime:
         {
@@ -9224,6 +9213,7 @@  static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
 #include "syscall-ipc.inc.c"
 #include "syscall-mem.inc.c"
 #include "syscall-proc.inc.c"
+#include "syscall-sig.inc.c"
 #include "syscall-time.inc.c"
 
 #undef SYSCALL_IMPL
diff --git a/linux-user/strace.list b/linux-user/strace.list
index d0646b9424..2a65457c76 100644
--- a/linux-user/strace.list
+++ b/linux-user/strace.list
@@ -25,9 +25,6 @@ 
 #ifdef TARGET_NR_afs_syscall
 { TARGET_NR_afs_syscall, "afs_syscall" , NULL, NULL, NULL },
 #endif
-#ifdef TARGET_NR_alarm
-{ TARGET_NR_alarm, "alarm" , NULL, NULL, NULL },
-#endif
 #ifdef TARGET_NR_aplib
 { TARGET_NR_aplib, "aplib" , NULL, NULL, NULL },
 #endif
@@ -872,9 +869,6 @@ 
 #ifdef TARGET_NR_osf_waitid
 { TARGET_NR_osf_waitid, "osf_waitid" , NULL, NULL, NULL },
 #endif
-#ifdef TARGET_NR_pause
-{ TARGET_NR_pause, "pause" , NULL, NULL, NULL },
-#endif
 #ifdef TARGET_NR_pciconfig_iobase
 { TARGET_NR_pciconfig_iobase, "pciconfig_iobase" , NULL, NULL, NULL },
 #endif