newlib/winsup/cygwin/winbase.h
Christopher Faylor d1eb7a4615 * cygthread.cc (cygthread::stub): Properly establish _threadinfo environment.
(cygthread::stub2): New function.
(cygthread::simplestub): Ditto.
(cygthread::simplestub2): New function.
* cygthread.h (cygthread::stub2): Declare new function.
(cygthread::simplestub2): Ditto.
* cygtls.h (_threadinfo::call): Declare new function.
(_threadinfo::call2): Ditto.
* dcrt0.cc (dll_crt0_1): Accommodate new _threadinfo::init which doesn't return
pointer to tls.
(_dll_crt0): Remove obsolete DECLARE_TLS_STORAGE.
(dll_crt0): Ditto.
* exceptions.cc (_threadinfo::call): New function.
(_threadinfo::call2): Ditto.
(_threadinfo::init): Don't return pointer.
* thread.cc (pthread::thread_init_wrapper): Properly establish _threadinfo
environment.
(pthread::thread_init_wrapper2): New function.
* thread.h (pthread::thread_init_wrapper): Remove noreturn attribute
(pthread::thread_init_wrapper2): Declare new function.
* winbase.h: Remove obsolete code.
2003-12-03 05:21:55 +00:00

60 lines
1.2 KiB
C

#include_next "winbase.h"
#ifndef _WINBASE2_H
#define _WINBASE2_H
extern __inline__ long
ilockincr (long *m)
{
register int __res;
__asm__ __volatile__ ("\n\
movl $1,%0\n\
lock xadd %0,(%1)\n\
inc %0\n\
": "=a" (__res), "=q" (m): "1" (m));
return __res;
}
extern __inline__ long
ilockdecr (long *m)
{
register int __res;
__asm__ __volatile__ ("\n\
movl $0xffffffff,%0\n\
lock xadd %0,(%1)\n\
dec %0\n\
": "=a" (__res), "=q" (m): "1" (m));
return __res;
}
extern __inline__ long
ilockexch (long *t, long v)
{
register int __res;
__asm__ __volatile__ ("\n\
1: lock cmpxchgl %3,(%1)\n\
jne 1b\n\
": "=a" (__res), "=q" (t): "1" (t), "q" (v), "0" (*t));
return __res;
}
extern __inline__ long
ilockcmpexch (long *t, long v, long c)
{
register int __res;
__asm__ __volatile__ ("\n\
lock cmpxchgl %3,(%1)\n\
": "=a" (__res), "=q" (t) : "1" (t), "q" (v), "0" (c));
return __res;
}
#undef InterlockedIncrement
#define InterlockedIncrement ilockincr
#undef InterlockedDecrement
#define InterlockedDecrement ilockdecr
#undef InterlockedExchange
#define InterlockedExchange ilockexch
#undef InterlockedCompareExchange
#define InterlockedCompareExchange ilockcmpexch
#endif /*_WINBASE2_H*/