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authorPaul Burton <paul@archlinuxmips.org>2014-06-22 11:25:43 +0100
committerRiku Voipio <riku.voipio@linaro.org>2014-08-22 15:06:34 +0300
commitab31cda3270994ab7a59a3ed8d44029a52af95a3 (patch)
tree99a523133ab705f003834b7c623adb4f70b7dd27
parent518343413fd311a3d95798b2c1d51853fd8d3c85 (diff)
downloadqemu-arm-ab31cda3270994ab7a59a3ed8d44029a52af95a3.tar.gz
linux-user: support ioprio_{get, set} syscalls
Add support for the ioprio_get & ioprio_set syscalls, allowing their use by target programs. Signed-off-by: Paul Burton <paul@archlinuxmips.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
-rw-r--r--linux-user/syscall.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 44853d090a..f1c182bbae 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -252,6 +252,12 @@ _syscall2(int, capget, struct __user_cap_header_struct *, header,
struct __user_cap_data_struct *, data);
_syscall2(int, capset, struct __user_cap_header_struct *, header,
struct __user_cap_data_struct *, data);
+#if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
+_syscall2(int, ioprio_get, int, which, int, who)
+#endif
+#if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
+_syscall3(int, ioprio_set, int, which, int, who, int, ioprio)
+#endif
static bitmask_transtbl fcntl_flags_tbl[] = {
{ TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
@@ -9592,6 +9598,18 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
break;
#endif
+#if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get)
+ case TARGET_NR_ioprio_get:
+ ret = get_errno(ioprio_get(arg1, arg2));
+ break;
+#endif
+
+#if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set)
+ case TARGET_NR_ioprio_set:
+ ret = get_errno(ioprio_set(arg1, arg2, arg3));
+ break;
+#endif
+
default:
unimplemented:
gemu_log("qemu: Unsupported syscall: %d\n", num);