Dre4m Shell
Server IP : 85.214.239.14  /  Your IP : 18.225.117.89
Web Server : Apache/2.4.62 (Debian)
System : Linux h2886529.stratoserver.net 4.9.0 #1 SMP Tue Jan 9 19:45:01 MSK 2024 x86_64
User : www-data ( 33)
PHP Version : 7.4.18
Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare,
MySQL : OFF  |  cURL : OFF  |  WGET : ON  |  Perl : ON  |  Python : ON  |  Sudo : ON  |  Pkexec : OFF
Directory :  /usr/include/postgresql/9.6/server/port/atomics/

Upload File :
current_dir [ Writeable ] document_root [ Writeable ]

 

Command :


[ HOME SHELL ]     

Current File : /usr/include/postgresql/9.6/server/port/atomics/generic-sunpro.h
/*-------------------------------------------------------------------------
 *
 * generic-sunpro.h
 *	  Atomic operations for solaris' CC
 *
 * Portions Copyright (c) 2013-2016, PostgreSQL Global Development Group
 *
 * NOTES:
 *
 * Documentation:
 * * manpage for atomic_cas(3C)
 *   http://www.unix.com/man-page/opensolaris/3c/atomic_cas/
 *   http://docs.oracle.com/cd/E23824_01/html/821-1465/atomic-cas-3c.html
 *
 * src/include/port/atomics/generic-sunpro.h
 *
 * -------------------------------------------------------------------------
 */

#if defined(HAVE_ATOMICS)

#ifdef HAVE_MBARRIER_H
#include <mbarrier.h>

#define pg_compiler_barrier_impl()	__compiler_barrier()

#ifndef pg_memory_barrier_impl
/*
 * Despite the name this is actually a full barrier. Expanding to mfence/
 * membar #StoreStore | #LoadStore | #StoreLoad | #LoadLoad on x86/sparc
 * respectively.
 */
#	define pg_memory_barrier_impl()		__machine_rw_barrier()
#endif
#ifndef pg_read_barrier_impl
#	define pg_read_barrier_impl()		__machine_r_barrier()
#endif
#ifndef pg_write_barrier_impl
#	define pg_write_barrier_impl()		__machine_w_barrier()
#endif

#endif /* HAVE_MBARRIER_H */

/* Older versions of the compiler don't have atomic.h... */
#ifdef HAVE_ATOMIC_H

#include <atomic.h>

#define PG_HAVE_ATOMIC_U32_SUPPORT
typedef struct pg_atomic_uint32
{
	volatile uint32 value;
} pg_atomic_uint32;

#define PG_HAVE_ATOMIC_U64_SUPPORT
typedef struct pg_atomic_uint64
{
	/*
	 * Syntax to enforce variable alignment should be supported by versions
	 * supporting atomic.h, but it's hard to find accurate documentation. If
	 * it proves to be a problem, we'll have to add more version checks for 64
	 * bit support.
	 */
	volatile uint64 value pg_attribute_aligned(8);
} pg_atomic_uint64;

#endif /* HAVE_ATOMIC_H */

#endif /* defined(HAVE_ATOMICS) */


#if defined(HAVE_ATOMICS)

#ifdef HAVE_ATOMIC_H

#define PG_HAVE_ATOMIC_COMPARE_EXCHANGE_U32
static inline bool
pg_atomic_compare_exchange_u32_impl(volatile pg_atomic_uint32 *ptr,
									uint32 *expected, uint32 newval)
{
	bool	ret;
	uint32	current;

	current = atomic_cas_32(&ptr->value, *expected, newval);
	ret = current == *expected;
	*expected = current;
	return ret;
}

#define PG_HAVE_ATOMIC_COMPARE_EXCHANGE_U64
static inline bool
pg_atomic_compare_exchange_u64_impl(volatile pg_atomic_uint64 *ptr,
									uint64 *expected, uint64 newval)
{
	bool	ret;
	uint64	current;

	current = atomic_cas_64(&ptr->value, *expected, newval);
	ret = current == *expected;
	*expected = current;
	return ret;
}

#endif /* HAVE_ATOMIC_H */

#endif /* defined(HAVE_ATOMICS) */

Anon7 - 2022
AnonSec Team