mirror of
https://github.com/MariaDB/server.git
synced 2025-02-02 12:01:42 +01:00
100 lines
2.3 KiB
C
100 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
|