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/* ==== machdep.h ============================================================
* Copyright (c) 1993 John F. Carr, jfc@athena.mit.edu
*
* Description : Machine dependent header for IBM/RT
*
* 1.00 93/09/xx jfc
* -Coding this file.
*/
#ifndef lint
static const char rcsid[] = "$Id$";
#endif
#include <setjmp.h>
#include <sys/time.h>
#include <sys/types.h>
/*
* Stuff for compiling
*/
#if defined(__GNUC__)
#if defined(__cplusplus)
#define __BEGIN_DECLS extern "C" {
#define __END_DECLS };
#else
#define __BEGIN_DECLS
#define __END_DECLS
#if !defined(__STDC__)
#define const __const
#define inline __inline
#define signed __signed
#define volatile __volatile
#endif
#endif
#else /* !__GNUC__ */
#define __BEGIN_DECLS
#define __END_DECLS
#define const
#define inline
#define signed
#define volatile
#endif
#define SEMAPHORE_CLEAR 0x0000
#define SEMAPHORE_SET 0xff00
#define SEMAPHORE_TEST_AND_SET(lock) _tsh(lock)
#define SEMAPHORE_RESET(lock) *(lock) = SEMAPHORE_CLEAR
extern unsigned short _tsh(volatile unsigned short *);
typedef unsigned short semaphore;
/*
* sigset_t macros
*/
#define SIG_ANY(sig) (sig)
#define SIGMAX 31
struct machdep_pthread {
void *(*start_routine)(void *);
void *start_argument;
void *machdep_stack;
struct itimerval machdep_timer;
jmp_buf machdep_state;
};
/*
* Static machdep_pthread initialization values.
* For initial thread only.
*/
#define MACHDEP_PTHREAD_INIT \
{ NULL, NULL, NULL, { { 0, 0 }, { 0, 100000 } }, 0 }
/*
* Min pthread stacksize
*/
#define PTHREAD_STACK_MIN 1024
/*
* Some fd defines that are necessary to distinguish between posix
* behavior and bsd4.3 behavior.
*/
#define __FD_NONBLOCK O_NONBLOCK
#if defined(PTHREAD_KERNEL)
int machdep_save_state __P_((void));
/* save(jmp_buf, stack pointer, restart proc) */
extern int _pthread_save(jmp_buf, void *, void (*)());
extern void _pthread_restore(jmp_buf);
typedef int ssize_t;
typedef unsigned int sigset_t;
#define sigemptyset(sp) *(sp) = 0
#define sigprocmask(op, nssp, ossp) if (ossp) *(int *)ossp = sigsetmask(*nssp); else sigsetmask(*nssp)
#define sigdelset(sp, i) *(sp) &= ~(1 << (i))
#define sigaddset(sp, i) *(sp) |= (1 << (i))
#define sigismember(sp, i) (*(sp) & (1 << (i)))
#endif
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