s-osinte-linux.ads (sigset_t): Use unsigned_char subtype directly.

	* s-osinte-linux.ads (sigset_t): Use unsigned_char subtype directly.
	(unsigned_long_long_t): New modular type.
	(pthread_cond_t): Add alignment clause.

From-SVN: r167204

gcc/ada/ChangeLog

 2010-11-27  Eric Botcazou  <ebotcazou@adacore.com>
 
+	* s-osinte-linux.ads (sigset_t): Use unsigned_char subtype directly.
+	(unsigned_long_long_t): New modular type.
+	(pthread_cond_t): Add alignment clause.
+
+2010-11-27  Eric Botcazou  <ebotcazou@adacore.com>
+
 	* gnatvsn.adb (Version_String): Change type to C-like array of chars.
 	(Gnat_Version_String): Adjust to above change.
 

gcc/ada/s-osinte-linux.ads

@@ -507,7 +507,7 @@ package System.OS_Interface is
 
 private
 
-   type sigset_t is array (0 .. 127) of Interfaces.C.unsigned_char;
+   type sigset_t is array (0 .. 127) of unsigned_char;
    pragma Convention (C, sigset_t);
    for sigset_t'Alignment use Interfaces.C.unsigned_long'Alignment;
 
@@ -556,8 +556,12 @@ private
 
    type pthread_mutex_t is new System.Linux.pthread_mutex_t;
 
+   type unsigned_long_long_t is mod 2 ** 64;
+   --  Interfaces.C.Extensions isn't preelaborated so cannot be with-ed
+
    type pthread_cond_t is array (0 .. 47) of unsigned_char;
    pragma Convention (C, pthread_cond_t);
+   for pthread_cond_t'Alignment use unsigned_long_long_t'Alignment;
 
    type pthread_key_t is new unsigned;