mirror of
https://github.com/MariaDB/server.git
synced 2025-02-02 12:01:42 +01:00
107 lines
2.2 KiB
C
107 lines
2.2 KiB
C
/* ==== machdep.h ============================================================
|
|
* Copyright (c) 1993 Chris Provenzano, proven@athena.mit.edu
|
|
*
|
|
* $Id$
|
|
*
|
|
* Description : Machine dependent header for decstation with r2000/r3000
|
|
* running Ultrix-4.2
|
|
*
|
|
* 1.00 93/07/21 proven
|
|
* -Started coding this file.
|
|
*/
|
|
|
|
#include <setjmp.h>
|
|
#include <sys/time.h>
|
|
#include <sys/cdefs.h>
|
|
|
|
/*
|
|
* The first machine dependent functions are the SEMAPHORES
|
|
* needing the test and set instruction.
|
|
*/
|
|
#define SEMAPHORE_CLEAR 0
|
|
#define SEMAPHORE_SET 1
|
|
|
|
#define SEMAPHORE_TEST_AND_SET(lock) semaphore_test_and_set(lock)
|
|
#define SEMAPHORE_RESET(lock) *lock = SEMAPHORE_CLEAR
|
|
|
|
/*
|
|
* New types
|
|
*/
|
|
typedef long semaphore;
|
|
|
|
#if !defined(_POSIX_SOURCE)
|
|
|
|
/* typedef int ssize_t; */
|
|
|
|
#if !defined(__GNUC__)
|
|
|
|
/*
|
|
* sigset_t macros
|
|
*/
|
|
typedef int sigset_t;
|
|
#define sigaddset(set, num) ((*set) |= (1 << (num - 1)))
|
|
#define sigemptyset(set) (*set = 0)
|
|
|
|
#endif
|
|
#endif
|
|
|
|
#define SIG_ANY(sig) (sig)
|
|
#define SIGMAX 31
|
|
|
|
/*
|
|
* New Structures
|
|
*/
|
|
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 stacksize, arch dependent
|
|
*/
|
|
#define PTHREAD_STACK_MIN 1024
|
|
|
|
/*
|
|
* Some fd flag defines that are necessary to distinguish between posix
|
|
* behavior and bsd4.3 behavior.
|
|
*/
|
|
#define __FD_NONBLOCK (O_NONBLOCK | O_NDELAY)
|
|
|
|
/*
|
|
* New functions
|
|
*/
|
|
|
|
__BEGIN_DECLS
|
|
|
|
#if defined(PTHREAD_KERNEL)
|
|
|
|
#define __machdep_stack_get(x) (x)->machdep_stack
|
|
#define __machdep_stack_set(x, y) (x)->machdep_stack = y
|
|
#define __machdep_stack_repl(x, y) \
|
|
{ \
|
|
if (stack = __machdep_stack_get(x)) { \
|
|
__machdep_stack_free(stack); \
|
|
} \
|
|
__machdep_stack_set(x, y); \
|
|
}
|
|
|
|
void * __machdep_stack_alloc __P_((size_t));
|
|
void __machdep_stack_free __P_((void *));
|
|
|
|
int semaphore_test_and_set __P_((semaphore *));
|
|
int machdep_save_state __P_((void));
|
|
|
|
#endif
|
|
|
|
__END_DECLS
|