[PATCH 32/32] ntdll: Use syscall instead of int 0x80

[Maarten Lankhorst]

---
 dlls/ntdll/critsection.c |   26 ++++++++++----------------
 dlls/ntdll/server.c      |    4 ++--
 2 files changed, 12 insertions(+), 18 deletions(-)

diff --git a/dlls/ntdll/critsection.c b/dlls/ntdll/critsection.c
index 2846343..625502a 100644
--- a/dlls/ntdll/critsection.c
+++ b/dlls/ntdll/critsection.c
@@ -60,26 +60,20 @@ static inline void small_pause(void)
 
 static inline int futex_wait( int *addr, int val, struct timespec *timeout )
 {
-    int res;
-    __asm__ __volatile__( "xchgl %2,%%ebx\n\t"
-                          "int $0x80\n\t"
-                          "xchgl %2,%%ebx"
-                          : "=a" (res)
-                          : "0" (240) /* SYS_futex */, "D" (addr),
-                            "c" (0) /* FUTEX_WAIT */, "d" (val), "S" (timeout) );
-    return res;
+    int ret;
+    ret = syscall( 240/*SYS_futex*/, addr, 0/*FUTEX_WAIT*/, val, timeout, 0, 0 );
+    if (ret < 0)
+        return -errno;
+    return ret;
 }
 
 static inline int futex_wake( int *addr, int val )
 {
-    int res;
-    __asm__ __volatile__( "xchgl %2,%%ebx\n\t"
-                          "int $0x80\n\t"
-                          "xchgl %2,%%ebx"
-                          : "=a" (res)
-                          : "0" (240) /* SYS_futex */, "D" (addr),
-                            "c" (1)  /* FUTEX_WAKE */, "d" (val) );
-    return res;
+    int ret;
+    ret = syscall( 240/*SYS_futex*/, addr, 1/*FUTEX_WAKE*/, val, NULL, 0, 0 );
+    if (ret < 0)
+        return -errno;
+    return ret;
 }
 
 static inline int use_futexes(void)
diff --git a/dlls/ntdll/server.c b/dlls/ntdll/server.c
index 08ee784..9112a82 100644
--- a/dlls/ntdll/server.c
+++ b/dlls/ntdll/server.c
@@ -935,9 +935,9 @@ static int get_unix_tid(void)
 {
     int ret = -1;
 #if defined(linux) && defined(__i386__)
-    __asm__("int $0x80" : "=a" (ret) : "0" (224) /* SYS_gettid */);
+    return syscall(224 /*SYS_gettid*/);
 #elif defined(linux) && defined(__x86_64__)
-    __asm__("syscall" : "=a" (ret) : "0" (186) /* SYS_gettid */);
+    return syscall(186 /*SYS_gettid*/);
 #elif defined(__sun)
     ret = pthread_self();
 #elif defined(__APPLE__)
-- 
1.7.0.4


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