2011-09-27 Pascal Obry <obry@adacore.com>
* s-taprop.ads (Initialize_Lock)[RW_Lock]: New spec for r/w lock.
(Finalize_Lock)[RW_Lock]: Likewise.
(Write_Lock)[RW_Lock]: Likewise.
(Unlock)[RW_Lock]: Likewise.
(Read_Lock): Define L as RW_Lock (instead of Lock).
* s-taprop-linux.adb (Initialize_Lock)[RW_Lock]: New
routine for r/w lock.
(Finalize_Lock)[RW_Lock]: Likewise.
(Write_Lock)[RW_Lock]: Likewise.
(Unlock)[RW_Lock]: Likewise.
(Read_Lock): Define L as RW_Lock (instead of Lock).
* s-taprop-vxworks.adb, s-taprop-tru64.adb, s-taprop-vms.adb,
s-taprop-mingw.adb, s-taprop-solaris.adb, s-taprop-irix.adb,
s-taprop-hpux-dce.adb, s-taprop-dummy.adb, s-taprop-posix.adb
(Initialize_Lock)[RW_Lock]: Same implementation as corresponding
routine for standard lock.
(Finalize_Lock)[RW_Lock]: Likewise.
(Write_Lock)[RW_Lock]: Likewise.
(Unlock)[RW_Lock]: Likewise.
(Read_Lock): Define L as RW_Lock (instead of Lock).
* s-taprob.ads, s-tpoben.ads (Protection): Add RWL (RW_Lock)
in the record definition.
* s-taprob.adb, s-taproben.adb (Finalize_Protection): Use r/w
lock for 'R' locking policy.
(Initialize_Protection): Likewise.
(Lock): Likewise.
(Lock_Read_Only): Likewise.
(Unlock): Likewise.
* s-taspri-posix.ads (RW_Lock): New type defined as
OS_Interface.pthread_rwlock_t.
* s-taspri-vxworks.ads, s-taspri-posix-noaltstack.ads,
s-taspri-mingw.ads, s-taspri-solaris.ads, s-taspri-dummy.ads,
s-taspri-posix.ads, s-taspri-vms.ads, s-taspri-hpux-dce.ads,
s-taspri-tru64.ads (RW_Lock): New type defined as alias to Lock.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@179251
138bc75d-0d04-0410-961f-
82ee72b054a4