rename USE_NPTL to CONFIG_USE_NPTL

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

bsd-user/mmap.c

@@ -30,7 +30,7 @@
 
 //#define DEBUG_MMAP
 
-#if defined(USE_NPTL)
+#if defined(CONFIG_USE_NPTL)
 pthread_mutex_t mmap_mutex;
 static int __thread mmap_lock_count;
 

bsd-user/qemu.h

@@ -24,7 +24,7 @@ enum BSDType {
 #include "target_signal.h"
 #include "gdbstub.h"
 
-#if defined(USE_NPTL)
+#if defined(CONFIG_USE_NPTL)
 #define THREAD __thread
 #else
 #define THREAD
@@ -188,7 +188,7 @@ void mmap_lock(void);
 void mmap_unlock(void);
 void cpu_list_lock(void);
 void cpu_list_unlock(void);
-#if defined(USE_NPTL)
+#if defined(CONFIG_USE_NPTL)
 void mmap_fork_start(void);
 void mmap_fork_end(int child);
 #endif
@@ -382,7 +382,7 @@ static inline void *lock_user_string(abi_ulong guest_addr)
 #define unlock_user_struct(host_ptr, guest_addr, copy)          \
     unlock_user(host_ptr, guest_addr, (copy) ? sizeof(*host_ptr) : 0)
 
-#if defined(USE_NPTL)
+#if defined(CONFIG_USE_NPTL)
 #include <pthread.h>
 #endif
 

configure

@@ -2056,7 +2056,7 @@ if test "$target_user_only" = "yes" -a "$bflt" = "yes"; then
 fi
 if test "$target_user_only" = "yes" \
         -a "$nptl" = "yes" -a "$target_nptl" = "yes"; then
-  echo "USE_NPTL=y" >> $config_mak
+  echo "CONFIG_USE_NPTL=y" >> $config_mak
 fi
 # 32 bit ELF loader in addition to native 64 bit loader?
 if test "$target_user_only" = "yes" -a "$elfload32" = "yes"; then

create_config

@@ -46,10 +46,6 @@ case $line in
     value=${line#*=}
     echo "#define $name $value"
     ;;
- USE_NPTL=y) # configuration
-    name=${line%=*}
-    echo "#define $name 1"
-    ;;
 esac
 
 done # read

exec.c

@@ -1515,7 +1515,7 @@ void cpu_set_log_filename(const char *filename)
 
 static void cpu_unlink_tb(CPUState *env)
 {
-#if defined(USE_NPTL)
+#if defined(CONFIG_USE_NPTL)
     /* FIXME: TB unchaining isn't SMP safe.  For now just ignore the
        problem and hope the cpu will stop of its own accord.  For userspace
        emulation this often isn't actually as bad as it sounds.  Often

gdbstub.c

@@ -1592,7 +1592,7 @@ static void gdb_set_cpu_pc(GDBState *s, target_ulong pc)
 
 static inline int gdb_id(CPUState *env)
 {
-#if defined(CONFIG_USER_ONLY) && defined(USE_NPTL)
+#if defined(CONFIG_USER_ONLY) && defined(CONFIG_USE_NPTL)
     return env->host_tid;
 #else
     return env->cpu_index + 1;

linux-user/main.c

@@ -108,7 +108,7 @@ int64_t cpu_get_real_ticks(void)
 
 #endif
 
-#if defined(USE_NPTL)
+#if defined(CONFIG_USE_NPTL)
 /***********************************************************/
 /* Helper routines for implementing atomic operations.  */
 
@@ -222,7 +222,7 @@ void cpu_list_unlock(void)
 {
     pthread_mutex_unlock(&cpu_list_mutex);
 }
-#else /* if !USE_NPTL */
+#else /* if !CONFIG_USE_NPTL */
 /* These are no-ops because we are not threadsafe.  */
 static inline void cpu_exec_start(CPUState *env)
 {
@@ -2357,7 +2357,7 @@ THREAD CPUState *thread_env;
 void task_settid(TaskState *ts)
 {
     if (ts->ts_tid == 0) {
-#ifdef USE_NPTL
+#ifdef CONFIG_USE_NPTL
         ts->ts_tid = (pid_t)syscall(SYS_gettid);
 #else
         /* when no threads are used, tid becomes pid */

linux-user/mmap.c

@@ -33,7 +33,7 @@
 
 //#define DEBUG_MMAP
 
-#if defined(USE_NPTL)
+#if defined(CONFIG_USE_NPTL)
 pthread_mutex_t mmap_mutex = PTHREAD_MUTEX_INITIALIZER;
 static int __thread mmap_lock_count;
 

linux-user/qemu.h

@@ -20,7 +20,7 @@
 #include "gdbstub.h"
 #include "sys-queue.h"
 
-#if defined(USE_NPTL)
+#if defined(CONFIG_USE_NPTL)
 #define THREAD __thread
 #else
 #define THREAD
@@ -104,7 +104,7 @@ typedef struct TaskState {
     uint32_t v86flags;
     uint32_t v86mask;
 #endif
-#ifdef USE_NPTL
+#ifdef CONFIG_USE_NPTL
     abi_ulong child_tidptr;
 #endif
 #ifdef TARGET_M68K
@@ -244,7 +244,7 @@ void mmap_unlock(void);
 abi_ulong mmap_find_vma(abi_ulong, abi_ulong);
 void cpu_list_lock(void);
 void cpu_list_unlock(void);
-#if defined(USE_NPTL)
+#if defined(CONFIG_USE_NPTL)
 void mmap_fork_start(void);
 void mmap_fork_end(int child);
 #endif
@@ -441,7 +441,7 @@ static inline void *lock_user_string(abi_ulong guest_addr)
 #define unlock_user_struct(host_ptr, guest_addr, copy)		\
     unlock_user(host_ptr, guest_addr, (copy) ? sizeof(*host_ptr) : 0)
 
-#if defined(USE_NPTL)
+#if defined(CONFIG_USE_NPTL)
 #include <pthread.h>
 #endif
 

linux-user/syscall.c

@@ -82,7 +82,7 @@
 #include "qemu.h"
 #include "qemu-common.h"
 
-#if defined(USE_NPTL)
+#if defined(CONFIG_USE_NPTL)
 #define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
     CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
 #else
@@ -219,7 +219,7 @@ _syscall1(int,exit_group,int,error_code)
 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
 _syscall1(int,set_tid_address,int *,tidptr)
 #endif
-#if defined(USE_NPTL)
+#if defined(CONFIG_USE_NPTL)
 #if defined(TARGET_NR_futex) && defined(__NR_futex)
 _syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
           const struct timespec *,timeout,int *,uaddr2,int,val3)
@@ -3458,7 +3458,7 @@ static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
 
 #endif /* defined(TARGET_I386) */
 
-#if defined(USE_NPTL)
+#if defined(CONFIG_USE_NPTL)
 
 #define NEW_STACK_SIZE PTHREAD_STACK_MIN
 
@@ -3527,7 +3527,7 @@ static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
     TaskState *ts;
     uint8_t *new_stack;
     CPUState *new_env;
-#if defined(USE_NPTL)
+#if defined(CONFIG_USE_NPTL)
     unsigned int nptl_flags;
     sigset_t sigmask;
 #endif
@@ -3538,7 +3538,7 @@ static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
 
     if (flags & CLONE_VM) {
         TaskState *parent_ts = (TaskState *)env->opaque;
-#if defined(USE_NPTL)
+#if defined(CONFIG_USE_NPTL)
         new_thread_info info;
         pthread_attr_t attr;
 #endif
@@ -3552,7 +3552,7 @@ static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
         new_env->opaque = ts;
         ts->bprm = parent_ts->bprm;
         ts->info = parent_ts->info;
-#if defined(USE_NPTL)
+#if defined(CONFIG_USE_NPTL)
         nptl_flags = flags;
         flags &= ~CLONE_NPTL_FLAGS2;
 
@@ -3621,7 +3621,7 @@ static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
             /* Child Process.  */
             cpu_clone_regs(env, newsp);
             fork_end(1);
-#if defined(USE_NPTL)
+#if defined(CONFIG_USE_NPTL)
             /* There is a race condition here.  The parent process could
                theoretically read the TID in the child process before the child
                tid is set.  This would require using either ptrace
@@ -4016,7 +4016,7 @@ static inline abi_long host_to_target_stat64(void *cpu_env,
 }
 #endif
 
-#if defined(USE_NPTL)
+#if defined(CONFIG_USE_NPTL)
 /* ??? Using host futex calls even when target atomic operations
    are not really atomic probably breaks things.  However implementing
    futexes locally would make futexes shared between multiple processes
@@ -4126,7 +4126,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
 
     switch(num) {
     case TARGET_NR_exit:
-#ifdef USE_NPTL
+#ifdef CONFIG_USE_NPTL
       /* In old applications this may be used to implement _exit(2).
          However in threaded applictions it is used for thread termination,
          and _exit_group is used for application termination.
@@ -6828,7 +6828,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
         }
 	break;
 #endif
-#if defined(USE_NPTL)
+#if defined(CONFIG_USE_NPTL)
     case TARGET_NR_futex:
         ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
         break;

qemu-lock.h

@@ -23,7 +23,7 @@
    likely to release it soon.  In environments where you have more threads
    than physical CPUs (the extreme case being a single CPU host) a spinlock
    simply wastes CPU until the OS decides to preempt it.  */
-#if defined(USE_NPTL)
+#if defined(CONFIG_USE_NPTL)
 
 #include <pthread.h>
 #define spin_lock pthread_mutex_lock