s-osinte-tru64.ads, [...] (Get_Stack_Base): New function

s-osinte-tru64.ads, [...] (Get_Stack_Base): New function

2005-03-08  Eric Botcazou  <ebotcazou@adacore.com>

	* s-osinte-tru64.ads, s-osinte-tru64.adb (Get_Stack_Base): New function
	(Hide_Yellow_Zone): New procedure to hide the Yellow Zone of the
	calling thread.
	(Stack_Base_Available): New flag.
	(Get_Page_Size): New overloaded functions imported from C.
	(PROT_NONE, PROT_READ, PROT_WRITE, PROT_EXEC, PROT_ALL,
	PROT_ON, PROT_OFF): New constants.
	(mprotect): New function imported from C.
	(pthread_teb_t): New record type.

	* s-taprop-tru64.adb: (Enter_Task): Invoke Hide_Yellow_Zone.
	(Create_Task): Account for the Yellow Zone and the guard page.

From-SVN: r96479