mirror of
https://github.com/MariaDB/server.git
synced 2025-01-25 00:04:33 +01:00
101 lines
2.3 KiB
C
101 lines
2.3 KiB
C
/* ==== 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
|
