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|
#ifdef __cplusplus
extern "C" {
#endif
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#ifdef __cplusplus
}
#endif
#include <sys/shm.h>
#include <sys/sem.h>
#include <sys/ipc.h>
#include "sharestuff.h"
/*
* Some perl version compatibility stuff.
* Taken from HTML::Parser
*/
#include "patchlevel.h"
#if PATCHLEVEL <= 4 /* perl5.004_XX */
#ifndef PL_sv_undef
#define PL_sv_undef sv_undef
#define PL_sv_yes sv_yes
#endif
#ifndef PL_hexdigit
#define PL_hexdigit hexdigit
#endif
#if (PATCHLEVEL == 4 && SUBVERSION <= 4)
/* The newSVpvn function was introduced in perl5.004_05 */ static SV *
newSVpvn( char *s, STRLEN len ) {
register SV *sv = newSV( 0 );
sv_setpvn( sv, s, len );
return sv;
}
#endif /* not perl5.004_05 */
#endif /* perl5.004_XX */
static double
constant( char *name, int arg ) {
errno = 0;
switch ( *name ) {
case 'A':
break;
case 'B':
break;
case 'C':
break;
case 'D':
break;
case 'E':
break;
case 'F':
break;
case 'G':
if ( strEQ( name, "GETALL" ) )
#ifdef GETALL
return GETALL;
#else
goto not_there;
#endif
if ( strEQ( name, "GETNCNT" ) )
#ifdef GETNCNT
return GETNCNT;
#else
goto not_there;
#endif
if ( strEQ( name, "GETPID" ) )
#ifdef GETPID
return GETPID;
#else
goto not_there;
#endif
if ( strEQ( name, "GETVAL" ) )
#ifdef GETVAL
return GETVAL;
#else
goto not_there;
#endif
if ( strEQ( name, "GETZCNT" ) )
#ifdef GETZCNT
return GETZCNT;
#else
goto not_there;
#endif
break;
case 'H':
break;
case 'I':
if ( strEQ( name, "IPC_ALLOC" ) )
#ifdef IPC_ALLOC
return IPC_ALLOC;
#else
goto not_there;
#endif
if ( strEQ( name, "IPC_CREAT" ) )
#ifdef IPC_CREAT
return IPC_CREAT;
#else
goto not_there;
#endif
if ( strEQ( name, "IPC_EXCL" ) )
#ifdef IPC_EXCL
return IPC_EXCL;
#else
goto not_there;
#endif
if ( strEQ( name, "IPC_NOWAIT" ) )
#ifdef IPC_NOWAIT
return IPC_NOWAIT;
#else
goto not_there;
#endif
if ( strEQ( name, "IPC_O_RMID" ) )
#ifdef IPC_O_RMID
return IPC_O_RMID;
#else
goto not_there;
#endif
if ( strEQ( name, "IPC_O_SET" ) )
#ifdef IPC_O_SET
return IPC_O_SET;
#else
goto not_there;
#endif
if ( strEQ( name, "IPC_O_STAT" ) )
#ifdef IPC_O_STAT
return IPC_O_STAT;
#else
goto not_there;
#endif
if ( strEQ( name, "IPC_PRIVATE" ) )
#ifdef IPC_PRIVATE
return IPC_PRIVATE;
#else
goto not_there;
#endif
if ( strEQ( name, "IPC_RMID" ) )
#ifdef IPC_RMID
return IPC_RMID;
#else
goto not_there;
#endif
if ( strEQ( name, "IPC_SET" ) )
#ifdef IPC_SET
return IPC_SET;
#else
goto not_there;
#endif
if ( strEQ( name, "IPC_STAT" ) )
#ifdef IPC_STAT
return IPC_STAT;
#else
goto not_there;
#endif
break;
case 'J':
break;
case 'K':
break;
case 'L':
if ( strEQ( name, "LOCK_EX" ) )
#ifdef LOCK_EX
return LOCK_EX;
#else
goto not_there;
#endif
if ( strEQ( name, "LOCK_SH" ) )
#ifdef LOCK_SH
return LOCK_SH;
#else
goto not_there;
#endif
if ( strEQ( name, "LOCK_NB" ) )
#ifdef LOCK_NB
return LOCK_NB;
#else
goto not_there;
#endif
if ( strEQ( name, "LOCK_UN" ) )
#ifdef LOCK_UN
return LOCK_UN;
#else
goto not_there;
#endif
break;
case 'M':
break;
case 'N':
break;
case 'O':
break;
case 'P':
break;
case 'Q':
break;
case 'R':
break;
case 'S':
if ( strEQ( name, "SEM_A" ) )
#ifdef SEM_A
return SEM_A;
#else
goto not_there;
#endif
if ( strEQ( name, "SEM_R" ) )
#ifdef SEM_R
return SEM_R;
#else
goto not_there;
#endif
if ( strEQ( name, "SEM_UNDO" ) )
#ifdef SEM_UNDO
return SEM_UNDO;
#else
goto not_there;
#endif
if ( strEQ( name, "SETALL" ) )
#ifdef SETALL
return SETALL;
#else
goto not_there;
#endif
if ( strEQ( name, "SETVAL" ) )
#ifdef SETVAL
return SETVAL;
#else
goto not_there;
#endif
if ( strEQ( name, "SHM_LOCK" ) )
#ifdef SHM_LOCK
return SHM_LOCK;
#else
goto not_there;
#endif
if ( strEQ( name, "SHM_R" ) )
#ifdef SHM_R
return SHM_R;
#else
goto not_there;
#endif
if ( strEQ( name, "SHM_RDONLY" ) )
#ifdef SHM_RDONLY
return SHM_RDONLY;
#else
goto not_there;
#endif
if ( strEQ( name, "SHM_RND" ) )
#ifdef SHM_RND
return SHM_RND;
#else
goto not_there;
#endif
if ( strEQ( name, "SHM_SHARE_MMU" ) )
#ifdef SHM_SHARE_MMU
return SHM_SHARE_MMU;
#else
goto not_there;
#endif
if ( strEQ( name, "SHM_UNLOCK" ) )
#ifdef SHM_UNLOCK
return SHM_UNLOCK;
#else
goto not_there;
#endif
if ( strEQ( name, "SHM_W" ) )
#ifdef SHM_W
return SHM_W;
#else
goto not_there;
#endif
break;
case 'T':
break;
case 'U':
break;
case 'V':
break;
case 'W':
break;
case 'X':
break;
case 'Y':
break;
case 'Z':
break;
}
errno = EINVAL;
return 0;
not_there:
errno = ENOENT;
return 0;
}
/* *INDENT-OFF* */
MODULE = IPC::ShareLite PACKAGE = IPC::ShareLite
PROTOTYPES: DISABLE
double
constant( char *name, int arg)
Share*
new_share(key_t key, int segment_size, int flags)
int
write_share(Share *share, char *data, int length)
char*
read_share(Share *share)
PREINIT:
char* data;
int length;
CODE:
length = read_share(share, &data);
ST(0) = sv_newmortal();
if (length >= 0) {
#ifdef sv_usepvn_flags
sv_usepvn_flags((SV*)ST(0), data, length, SV_HAS_TRAILING_NUL);
#else
sv_usepvn((SV*)ST(0), data, length);
#endif
} else {
sv_setsv(ST(0), &PL_sv_undef);
}
int
destroy_share(Share *share, int rmid)
int
sharelite_lock(Share *share, int flags)
int
sharelite_unlock(Share *share)
unsigned int
sharelite_version(Share *share)
int
sharelite_num_segments(Share *share)
|
