[Qemu-devel] [PATCH v7 74/74] linux-user: Split out getpriority, setpriority

[Richard Henderson <richard.henderson@linaro.org>]

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 linux-user/syscall-defs.h     |  2 ++
 linux-user/syscall-proc.inc.c | 28 ++++++++++++++++++++++++++++
 linux-user/syscall.c          | 18 ------------------
 linux-user/strace.list        |  6 ------
 4 files changed, 30 insertions(+), 24 deletions(-)

diff --git a/linux-user/syscall-defs.h b/linux-user/syscall-defs.h
index 8b2d95d19e..3b45250977 100644
--- a/linux-user/syscall-defs.h
+++ b/linux-user/syscall-defs.h
@@ -80,6 +80,7 @@ SYSCALL_DEF(getpid);
 #ifdef TARGET_NR_getppid
 SYSCALL_DEF(getppid);
 #endif
+SYSCALL_DEF(getpriority, ARG_DEC, ARG_DEC);
 #ifdef TARGET_NR_getrlimit
 SYSCALL_DEF(getrlimit, ARG_DEC, ARG_PTR);
 #endif
@@ -238,6 +239,7 @@ SYSCALL_DEF(semget, ARG_DEC, ARG_DEC, ARG_HEX);
 #endif
 SYSCALL_DEF(sethostname, ARG_STR);
 SYSCALL_DEF(setpgid, ARG_DEC, ARG_DEC);
+SYSCALL_DEF(setpriority, ARG_DEC, ARG_DEC, ARG_DEC);
 #ifdef TARGET_NR_setrlimit
 SYSCALL_DEF(setrlimit, ARG_DEC, ARG_PTR);
 #endif
diff --git a/linux-user/syscall-proc.inc.c b/linux-user/syscall-proc.inc.c
index 408e96a834..e85151cc2e 100644
--- a/linux-user/syscall-proc.inc.c
+++ b/linux-user/syscall-proc.inc.c
@@ -479,6 +479,29 @@ SYSCALL_IMPL(getppid)
 }
 #endif
 
+SYSCALL_IMPL(getpriority)
+{
+    abi_long ret;
+
+    /*
+     * Note that negative values are valid for getpriority, so we must
+     * differentiate based on errno settings.
+     */
+    errno = 0;
+    ret = getpriority(arg1, arg2);
+    if (ret == -1 && errno != 0) {
+        return -host_to_target_errno(errno);
+    }
+#ifdef TARGET_ALPHA
+    /* Return value is the unbiased priority.  Signal no error.  */
+    ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0;
+#else
+    /* Return value is a biased priority to avoid negative numbers.  */
+    ret = 20 - ret;
+#endif
+    return ret;
+}
+
 #ifdef TARGET_NR_getrlimit
 SYSCALL_IMPL(getrlimit)
 {
@@ -568,6 +591,11 @@ SYSCALL_IMPL(setpgid)
     return get_errno(setpgid(arg1, arg2));
 }
 
+SYSCALL_IMPL(setpriority)
+{
+    return get_errno(setpriority(arg1, arg2, arg3));
+}
+
 #ifdef TARGET_NR_setrlimit
 SYSCALL_IMPL(setrlimit)
 {
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 1b1d44bf32..6e7cccbdd5 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -4144,24 +4144,6 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
     void *p;
 
     switch(num) {
-    case TARGET_NR_getpriority:
-        /* Note that negative values are valid for getpriority, so we must
-           differentiate based on errno settings.  */
-        errno = 0;
-        ret = getpriority(arg1, arg2);
-        if (ret == -1 && errno != 0) {
-            return -host_to_target_errno(errno);
-        }
-#ifdef TARGET_ALPHA
-        /* Return value is the unbiased priority.  Signal no error.  */
-        ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0;
-#else
-        /* Return value is a biased priority to avoid negative numbers.  */
-        ret = 20 - ret;
-#endif
-        return ret;
-    case TARGET_NR_setpriority:
-        return get_errno(setpriority(arg1, arg2, arg3));
 #ifdef TARGET_NR_statfs
     case TARGET_NR_statfs:
         if (!(p = lock_user_string(arg1))) {
diff --git a/linux-user/strace.list b/linux-user/strace.list
index 55b617239c..a0d2b3f9c5 100644
--- a/linux-user/strace.list
+++ b/linux-user/strace.list
@@ -256,9 +256,6 @@
 #ifdef TARGET_NR_getpmsg
 { TARGET_NR_getpmsg, "getpmsg" , NULL, NULL, NULL },
 #endif
-#ifdef TARGET_NR_getpriority
-{ TARGET_NR_getpriority, "getpriority", "%s(%#x,%#x)", NULL, NULL },
-#endif
 #ifdef TARGET_NR_getrandom
 { TARGET_NR_getrandom, "getrandom", NULL, NULL, NULL },
 #endif
@@ -1007,9 +1004,6 @@
 #ifdef TARGET_NR_setpgrp
 { TARGET_NR_setpgrp, "setpgrp" , NULL, NULL, NULL },
 #endif
-#ifdef TARGET_NR_setpriority
-{ TARGET_NR_setpriority, "setpriority" , NULL, NULL, NULL },
-#endif
 #ifdef TARGET_NR_setregid
 { TARGET_NR_setregid, "setregid" , NULL, NULL, NULL },
 #endif
-- 
2.17.1