[PATCH v4 3/9] ntdll: Introduce a new __wine_unix_call_fast syscall.

[Rémi Bernon]

From: Rémi Bernon

---
 dlls/ntdll/ntdll.spec    |  1 +
 dlls/ntdll/unix/loader.c |  1 +
 dlls/winecrt0/unix_lib.c | 12 ++++++++++++
 include/wine/unixlib.h   |  1 +
 4 files changed, 15 insertions(+)

diff --git a/dlls/ntdll/ntdll.spec b/dlls/ntdll/ntdll.spec
index 1d4218e7b52..750c214ec2a 100644
--- a/dlls/ntdll/ntdll.spec
+++ b/dlls/ntdll/ntdll.spec
@@ -1690,6 +1690,7 @@
 @ cdecl -syscall wine_server_handle_to_fd(long long ptr ptr)

# Unix interface
+@ stdcall -syscall -nofpu __wine_unix_call_fast(int64 long ptr)
 @ stdcall -syscall __wine_unix_call(int64 long ptr)
 @ stdcall -syscall __wine_unix_spawnvp(long ptr)
 @ stdcall __wine_ctrl_routine(ptr)
diff --git a/dlls/ntdll/unix/loader.c b/dlls/ntdll/unix/loader.c
index 8a6200c7454..8d9fc8f34b9 100644
--- a/dlls/ntdll/unix/loader.c
+++ b/dlls/ntdll/unix/loader.c
@@ -356,6 +356,7 @@ static void * const syscalls[] =
     NtYieldExecution,
     __wine_dbg_write,
     __wine_unix_call,
+    __wine_unix_call /* __wine_unix_call_fast */,
     __wine_unix_spawnvp,
     wine_nt_to_unix_file_name,
     wine_server_call,
diff --git a/dlls/winecrt0/unix_lib.c b/dlls/winecrt0/unix_lib.c
index c86897b9905..816be88edcc 100644
--- a/dlls/winecrt0/unix_lib.c
+++ b/dlls/winecrt0/unix_lib.c
@@ -30,6 +30,7 @@
 #include "wine/unixlib.h"

static NTSTATUS (WINAPI *p__wine_unix_call)( unixlib_handle_t, unsigned int, void * );
+static NTSTATUS (WINAPI *p__wine_unix_call_fast)( unixlib_handle_t, unsigned int, void * );

static void load_func( void **func, const char *name, void *def )
 {
@@ -47,10 +48,21 @@ static NTSTATUS __cdecl fallback__wine_unix_call( unixlib_handle_t handle, unsig
     return STATUS_DLL_NOT_FOUND;
 }

+static NTSTATUS __cdecl fallback__wine_unix_call_fast( unixlib_handle_t handle, unsigned int code, void *args )
+{
+    return STATUS_DLL_NOT_FOUND;
+}
+
 NTSTATUS WINAPI __wine_unix_call( unixlib_handle_t handle, unsigned int code, void *args )
 {
     LOAD_FUNC( __wine_unix_call );
     return p__wine_unix_call( handle, code, args );
 }

+NTSTATUS WINAPI __wine_unix_call_fast( unixlib_handle_t handle, unsigned int code, void *args )
+{
+    LOAD_FUNC( __wine_unix_call_fast );
+    return p__wine_unix_call_fast( handle, code, args );
+}
+
 #endif  /* __WINE_PE_BUILD */
diff --git a/include/wine/unixlib.h b/include/wine/unixlib.h
index ef60b32184c..581790516a5 100644
--- a/include/wine/unixlib.h
+++ b/include/wine/unixlib.h
@@ -25,6 +25,7 @@ typedef NTSTATUS (*unixlib_entry_t)( void *args );
 typedef UINT64 unixlib_handle_t;

extern NTSTATUS WINAPI __wine_unix_call( unixlib_handle_t handle, unsigned int code, void *args );
+extern NTSTATUS WINAPI __wine_unix_call_fast( unixlib_handle_t handle, unsigned int code, void *args );

#ifdef WINE_UNIX_LIB