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winspool: Move the unix job schedulers to cups.c. 

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Huw Davies 2021-10-27 08:14:45 +01:00 committed by Alexandre Julliard
parent 097bde4691
commit 8ecd220c8e
3 changed files with 301 additions and 321 deletions
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269
dlls/winspool.drv/cups.c
View File

@ -23,8 +23,15 @@
#include <stdarg.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <signal.h>
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#ifdef HAVE_CUPS_CUPS_H
#include <cups/cups.h>
#endif
@ -106,6 +113,9 @@
WINE_DEFAULT_DEBUG_CHANNEL(winspool);
static const WCHAR CUPS_Port[] = { 'C','U','P','S',':',0 };
static const WCHAR LPR_Port[] = { 'L','P','R',':',0 };
/* Temporary helpers until switch to unixlib */
#include "winnls.h"
#include "wine/heap.h"
@ -123,7 +133,7 @@ static int ntdll_wcstoumbs( const WCHAR *src, DWORD srclen, char *dst, DWORD dst
#ifdef SONAME_LIBCUPS
void *libcups_handle = NULL;
static void *libcups_handle;
#define CUPS_FUNCS \
DO_FUNC(cupsAddOption); \
@ -139,13 +149,13 @@ void *libcups_handle = NULL;
DO_FUNC(cupsGetPPD3); \
DO_FUNC(cupsLastErrorString)
#define DO_FUNC(f) typeof(f) *p##f = NULL
#define DO_FUNC(f) static typeof(f) *p##f
CUPS_FUNCS;
#undef DO_FUNC
cups_dest_t * (*pcupsGetNamedDest)(http_t *, const char *, const char *) = NULL;
const char * (*pcupsGetPPD)(const char *) = NULL;
http_status_t (*pcupsGetPPD3)(http_t *, const char *, time_t *, char *, size_t) = NULL;
const char * (*pcupsLastErrorString)(void) = NULL;
static cups_dest_t * (*pcupsGetNamedDest)(http_t *, const char *, const char *);
static const char * (*pcupsGetPPD)(const char *);
static http_status_t (*pcupsGetPPD3)(http_t *, const char *, time_t *, char *, size_t);
static const char * (*pcupsLastErrorString)(void);
#endif /* SONAME_LIBCUPS */
@ -285,6 +295,56 @@ static http_status_t cupsGetPPD3_wrapper( http_t *http, const char *name, time_t
}
return HTTP_OK;
}
/*****************************************************************************
* get_cups_jobs_ticket_options
*
* Explicitly set CUPS options based on any %cupsJobTicket lines.
* The CUPS scheduler only looks for these in Print-File requests, and since
* cupsPrintFile uses Create-Job / Send-Document, the ticket lines don't get
* parsed.
*/
static int get_cups_job_ticket_options( const char *file, int num_options, cups_option_t **options )
{
FILE *fp = fopen( file, "r" );
char buf[257]; /* DSC max of 256 + '\0' */
const char *ps_adobe = "%!PS-Adobe-";
const char *cups_job = "%cupsJobTicket:";
if (!fp) return num_options;
if (!fgets( buf, sizeof(buf), fp )) goto end;
if (strncmp( buf, ps_adobe, strlen( ps_adobe ) )) goto end;
while (fgets( buf, sizeof(buf), fp ))
{
if (strncmp( buf, cups_job, strlen( cups_job ) )) break;
num_options = pcupsParseOptions( buf + strlen( cups_job ), num_options, options );
}
end:
fclose( fp );
return num_options;
}
static int get_cups_default_options( const char *printer, int num_options, cups_option_t **options )
{
cups_dest_t *dest;
int i;
if (!pcupsGetNamedDest) return num_options;
dest = pcupsGetNamedDest( NULL, printer, NULL );
if (!dest) return num_options;
for (i = 0; i < dest->num_options; i++)
{
if (!pcupsGetOption( dest->options[i].name, num_options, *options ))
num_options = pcupsAddOption( dest->options[i].name, dest->options[i].value,
num_options, options );
}
pcupsFreeDests( 1, dest );
return num_options;
}
#endif /* SONAME_LIBCUPS */
NTSTATUS unix_enum_printers( void *args )
@ -438,3 +498,200 @@ end:
return STATUS_NOT_IMPLEMENTED;
#endif
}
/*****************************************************************************
* schedule_pipe
*/
static BOOL schedule_pipe( const WCHAR *cmd, const WCHAR *filename )
{
#ifdef HAVE_FORK
char *unixname, *cmdA;
DWORD len;
int fds[2] = { -1, -1 }, file_fd = -1, no_read;
BOOL ret = FALSE;
char buf[1024];
pid_t pid, wret;
int status;
if (!(unixname = get_unix_file_name( filename ))) return FALSE;
len = strlenW( cmd );
cmdA = malloc( len * 3 + 1);
ntdll_wcstoumbs( cmd, len + 1, cmdA, len * 3 + 1, FALSE );
TRACE( "printing with: %s\n", cmdA );
if ((file_fd = open( unixname, O_RDONLY )) == -1) goto end;
if (pipe( fds ))
{
ERR( "pipe() failed!\n" );
goto end;
}
if ((pid = fork()) == 0)
{
close( 0 );
dup2( fds[0], 0 );
close( fds[1] );
/* reset signals that we previously set to SIG_IGN */
signal( SIGPIPE, SIG_DFL );
execl( "/bin/sh", "/bin/sh", "-c", cmdA, NULL );
_exit( 1 );
}
else if (pid == -1)
{
ERR( "fork() failed!\n" );
goto end;
}
close( fds[0] );
fds[0] = -1;
while ((no_read = read( file_fd, buf, sizeof(buf) )) > 0)
write( fds[1], buf, no_read );
close( fds[1] );
fds[1] = -1;
/* reap child */
do {
wret = waitpid( pid, &status, 0 );
} while (wret < 0 && errno == EINTR);
if (wret < 0)
{
ERR( "waitpid() failed!\n" );
goto end;
}
if (!WIFEXITED(status) || WEXITSTATUS(status))
{
ERR( "child process failed! %d\n", status );
goto end;
}
ret = TRUE;
end:
if (file_fd != -1) close( file_fd );
if (fds[0] != -1) close( fds[0] );
if (fds[1] != -1) close( fds[1] );
free( cmdA );
free( unixname );
return ret;
#else
return FALSE;
#endif
}
/*****************************************************************************
* schedule_unixfile
*/
static BOOL schedule_unixfile( const WCHAR *output, const WCHAR *filename )
{
char *unixname, *outputA;
DWORD len;
BOOL ret;
if (!(unixname = get_unix_file_name( filename ))) return FALSE;
len = strlenW( output );
outputA = malloc( len * 3 + 1);
ntdll_wcstoumbs( output, len + 1, outputA, len * 3 + 1, FALSE );
ret = copy_file( unixname, outputA );
free( outputA );
free( unixname );
return ret;
}
/*****************************************************************************
* schedule_lpr
*/
static BOOL schedule_lpr( const WCHAR *printer_name, const WCHAR *filename )
{
static const WCHAR lpr[] = { 'l','p','r',' ','-','P','\'' };
static const WCHAR quote[] = { '\'',0 };
int printer_len = strlenW( printer_name );
WCHAR *cmd;
BOOL ret;
cmd = malloc( printer_len * sizeof(WCHAR) + sizeof(lpr) + sizeof(quote) );
memcpy( cmd, lpr, sizeof(lpr) );
memcpy( cmd + ARRAY_SIZE(lpr), printer_name, printer_len * sizeof(WCHAR) );
memcpy( cmd + ARRAY_SIZE(lpr) + printer_len, quote, sizeof(quote) );
ret = schedule_pipe( cmd, filename );
free( cmd );
return ret;
}
/*****************************************************************************
* schedule_cups
*/
static BOOL schedule_cups( const WCHAR *printer_name, const WCHAR *filename, const WCHAR *document_title )
{
#ifdef SONAME_LIBCUPS
if (pcupsPrintFile)
{
char *unixname, *queue, *unix_doc_title;
cups_option_t *options = NULL;
int num_options = 0, i;
DWORD len;
BOOL ret;
if (!(unixname = get_unix_file_name( filename ))) return FALSE;
len = strlenW( printer_name );
queue = malloc( len * 3 + 1);
ntdll_wcstoumbs( printer_name, len + 1, queue, len * 3 + 1, FALSE );
len = strlenW( document_title );
unix_doc_title = malloc( len * 3 + 1 );
ntdll_wcstoumbs( document_title, len + 1, unix_doc_title, len + 3 + 1, FALSE );
num_options = get_cups_job_ticket_options( unixname, num_options, &options );
num_options = get_cups_default_options( queue, num_options, &options );
TRACE( "printing via cups with options:\n" );
for (i = 0; i < num_options; i++)
TRACE( "\t%d: %s = %s\n", i, options[i].name, options[i].value );
ret = pcupsPrintFile( queue, unixname, unix_doc_title, num_options, options );
if (ret == 0 && pcupsLastErrorString)
WARN( "cupsPrintFile failed with error %s\n", debugstr_a( pcupsLastErrorString() ) );
pcupsFreeOptions( num_options, options );
free( unix_doc_title );
free( queue );
free( unixname );
return ret;
}
else
#endif
{
return schedule_lpr( printer_name, filename );
}
}
BOOL unix_schedule_job( void *args )
{
struct schedule_job_params *params = args;
if (params->wine_port[0] == '|')
return schedule_pipe( params->wine_port + 1, params->filename );
if (params->wine_port[0])
return schedule_unixfile( params->wine_port, params->filename );
if (!strncmpW( params->port, LPR_Port, ARRAY_SIZE(LPR_Port) - 1 ))
return schedule_lpr( params->port + ARRAY_SIZE(LPR_Port) - 1, params->filename );
if (!strncmpW( params->port, CUPS_Port, ARRAY_SIZE(CUPS_Port) - 1 ))
return schedule_cups( params->port + ARRAY_SIZE(CUPS_Port) - 1, params->filename, params->document_title );
return FALSE;
}

344
dlls/winspool.drv/info.c
View File

@ -25,7 +25,6 @@
*/
#include "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include <stdio.h>
@ -33,20 +32,6 @@
#include <string.h>
#include <ctype.h>
#include <stddef.h>
#include <errno.h>
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <signal.h>
#ifdef HAVE_CUPS_CUPS_H
# include <cups/cups.h>
#endif
#ifdef HAVE_CUPS_PPD_H
# include <cups/ppd.h>
#endif
#define NONAMELESSSTRUCT
#define NONAMELESSUNION
@ -77,7 +62,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(winspool);
/* ############################### */
static CRITICAL_SECTION printer_handles_cs;
static CRITICAL_SECTION_DEBUG printer_handles_cs_debug =
static CRITICAL_SECTION_DEBUG printer_handles_cs_debug =
{
0, 0, &printer_handles_cs,
{ &printer_handles_cs_debug.ProcessLocksList, &printer_handles_cs_debug.ProcessLocksList },
@ -817,30 +802,6 @@ static WCHAR *get_ppd_dir( void )
return dir;
}
#ifdef SONAME_LIBCUPS
extern void *libcups_handle;
#define CUPS_FUNCS \
DO_FUNC(cupsAddOption); \
DO_FUNC(cupsFreeDests); \
DO_FUNC(cupsFreeOptions); \
DO_FUNC(cupsGetOption); \
DO_FUNC(cupsParseOptions); \
DO_FUNC(cupsPrintFile)
#define CUPS_OPT_FUNCS \
DO_FUNC(cupsGetNamedDest); \
DO_FUNC(cupsGetPPD); \
DO_FUNC(cupsGetPPD3); \
DO_FUNC(cupsLastErrorString)
#define DO_FUNC(f) extern typeof(f) *p##f
CUPS_FUNCS;
#undef DO_FUNC
extern cups_dest_t * (*pcupsGetNamedDest)(http_t *, const char *, const char *);
extern const char * (*pcupsLastErrorString)(void);
#endif
static BOOL init_unix_printers( void )
{
WCHAR *port, *ppd_dir = NULL, *default_printer = NULL;
@ -7806,214 +7767,6 @@ BOOL WINAPI GetJobW(HANDLE hPrinter, DWORD JobId, DWORD Level, LPBYTE pJob,
return get_job_info(hPrinter, JobId, Level, pJob, cbBuf, pcbNeeded, TRUE);
}
/*****************************************************************************
* schedule_pipe
*/
static BOOL schedule_pipe(LPCWSTR cmd, LPCWSTR filename)
{
#ifdef HAVE_FORK
char *unixname, *cmdA;
DWORD len;
int fds[2] = {-1, -1}, file_fd = -1, no_read;
BOOL ret = FALSE;
char buf[1024];
pid_t pid, wret;
int status;
if(!(unixname = wine_get_unix_file_name(filename)))
return FALSE;
len = WideCharToMultiByte(CP_UNIXCP, 0, cmd, -1, NULL, 0, NULL, NULL);
cmdA = HeapAlloc(GetProcessHeap(), 0, len);
WideCharToMultiByte(CP_UNIXCP, 0, cmd, -1, cmdA, len, NULL, NULL);
TRACE("printing with: %s\n", cmdA);
if((file_fd = open(unixname, O_RDONLY)) == -1)
goto end;
if (pipe(fds))
{
ERR("pipe() failed!\n");
goto end;
}
if ((pid = fork()) == 0)
{
close(0);
dup2(fds[0], 0);
close(fds[1]);
/* reset signals that we previously set to SIG_IGN */
signal(SIGPIPE, SIG_DFL);
execl("/bin/sh", "/bin/sh", "-c", cmdA, NULL);
_exit(1);
}
else if (pid == -1)
{
ERR("fork() failed!\n");
goto end;
}
close(fds[0]);
fds[0] = -1;
while((no_read = read(file_fd, buf, sizeof(buf))) > 0)
write(fds[1], buf, no_read);
close(fds[1]);
fds[1] = -1;
/* reap child */
do {
wret = waitpid(pid, &status, 0);
} while (wret < 0 && errno == EINTR);
if (wret < 0)
{
ERR("waitpid() failed!\n");
goto end;
}
if (!WIFEXITED(status) || WEXITSTATUS(status))
{
ERR("child process failed! %d\n", status);
goto end;
}
ret = TRUE;
end:
if(file_fd != -1) close(file_fd);
if(fds[0] != -1) close(fds[0]);
if(fds[1] != -1) close(fds[1]);
HeapFree(GetProcessHeap(), 0, cmdA);
HeapFree(GetProcessHeap(), 0, unixname);
return ret;
#else
return FALSE;
#endif
}
/*****************************************************************************
* schedule_lpr
*/
static BOOL schedule_lpr(LPCWSTR printer_name, LPCWSTR filename)
{
static const WCHAR fmtW[] = {'l','p','r',' ','-','P','\'','%','s','\'',0};
WCHAR *cmd;
BOOL r;
cmd = HeapAlloc(GetProcessHeap(), 0, strlenW(printer_name) * sizeof(WCHAR) + sizeof(fmtW));
sprintfW(cmd, fmtW, printer_name);
r = schedule_pipe(cmd, filename);
HeapFree(GetProcessHeap(), 0, cmd);
return r;
}
#ifdef SONAME_LIBCUPS
/*****************************************************************************
* get_cups_jobs_ticket_options
*
* Explicitly set CUPS options based on any %cupsJobTicket lines.
* The CUPS scheduler only looks for these in Print-File requests, and since
* cupsPrintFile uses Create-Job / Send-Document, the ticket lines don't get
* parsed.
*/
static int get_cups_job_ticket_options( const char *file, int num_options, cups_option_t **options )
{
FILE *fp = fopen( file, "r" );
char buf[257]; /* DSC max of 256 + '\0' */
const char *ps_adobe = "%!PS-Adobe-";
const char *cups_job = "%cupsJobTicket:";
if (!fp) return num_options;
if (!fgets( buf, sizeof(buf), fp )) goto end;
if (strncmp( buf, ps_adobe, strlen( ps_adobe ) )) goto end;
while (fgets( buf, sizeof(buf), fp ))
{
if (strncmp( buf, cups_job, strlen( cups_job ) )) break;
num_options = pcupsParseOptions( buf + strlen( cups_job ), num_options, options );
}
end:
fclose( fp );
return num_options;
}
static int get_cups_default_options( const char *printer, int num_options, cups_option_t **options )
{
cups_dest_t *dest;
int i;
if (!pcupsGetNamedDest) return num_options;
dest = pcupsGetNamedDest( NULL, printer, NULL );
if (!dest) return num_options;
for (i = 0; i < dest->num_options; i++)
{
if (!pcupsGetOption( dest->options[i].name, num_options, *options ))
num_options = pcupsAddOption( dest->options[i].name, dest->options[i].value,
num_options, options );
}
pcupsFreeDests( 1, dest );
return num_options;
}
#endif
/*****************************************************************************
* schedule_cups
*/
static BOOL schedule_cups(LPCWSTR printer_name, LPCWSTR filename, LPCWSTR document_title)
{
#ifdef SONAME_LIBCUPS
if(pcupsPrintFile)
{
char *unixname, *queue, *unix_doc_title;
DWORD len;
BOOL ret;
int num_options = 0, i;
cups_option_t *options = NULL;
if(!(unixname = wine_get_unix_file_name(filename)))
return FALSE;
len = WideCharToMultiByte(CP_UNIXCP, 0, printer_name, -1, NULL, 0, NULL, NULL);
queue = HeapAlloc(GetProcessHeap(), 0, len);
WideCharToMultiByte(CP_UNIXCP, 0, printer_name, -1, queue, len, NULL, NULL);
len = WideCharToMultiByte(CP_UNIXCP, 0, document_title, -1, NULL, 0, NULL, NULL);
unix_doc_title = HeapAlloc(GetProcessHeap(), 0, len);
WideCharToMultiByte(CP_UNIXCP, 0, document_title, -1, unix_doc_title, len, NULL, NULL);
num_options = get_cups_job_ticket_options( unixname, num_options, &options );
num_options = get_cups_default_options( queue, num_options, &options );
TRACE( "printing via cups with options:\n" );
for (i = 0; i < num_options; i++)
TRACE( "\t%d: %s = %s\n", i, options[i].name, options[i].value );
ret = pcupsPrintFile( queue, unixname, unix_doc_title, num_options, options );
if (ret == 0 && pcupsLastErrorString)
WARN("cupsPrintFile failed with error %s\n", debugstr_a(pcupsLastErrorString()));
pcupsFreeOptions( num_options, options );
HeapFree(GetProcessHeap(), 0, unix_doc_title);
HeapFree(GetProcessHeap(), 0, queue);
HeapFree(GetProcessHeap(), 0, unixname);
return ret;
}
else
#endif
{
return schedule_lpr(printer_name, filename);
}
}
static INT_PTR CALLBACK file_dlg_proc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
{
LPWSTR filename;
@ -8106,41 +7859,6 @@ static BOOL schedule_file(LPCWSTR filename)
return FALSE;
}
/*****************************************************************************
* schedule_unixfile
*/
static BOOL schedule_unixfile(LPCWSTR output, LPCWSTR filename)
{
int in_fd, out_fd, no_read;
char buf[1024];
BOOL ret = FALSE;
char *unixname, *outputA;
DWORD len;
if(!(unixname = wine_get_unix_file_name(filename)))
return FALSE;
len = WideCharToMultiByte(CP_UNIXCP, 0, output, -1, NULL, 0, NULL, NULL);
outputA = HeapAlloc(GetProcessHeap(), 0, len);
WideCharToMultiByte(CP_UNIXCP, 0, output, -1, outputA, len, NULL, NULL);
out_fd = open(outputA, O_CREAT | O_TRUNC | O_WRONLY, 0666);
in_fd = open(unixname, O_RDONLY);
if(out_fd == -1 || in_fd == -1)
goto end;
while((no_read = read(in_fd, buf, sizeof(buf))) > 0)
write(out_fd, buf, no_read);
ret = TRUE;
end:
if(in_fd != -1) close(in_fd);
if(out_fd != -1) close(out_fd);
HeapFree(GetProcessHeap(), 0, outputA);
HeapFree(GetProcessHeap(), 0, unixname);
return ret;
}
/*****************************************************************************
* ScheduleJob [WINSPOOL.@]
*
@ -8169,6 +7887,7 @@ BOOL WINAPI ScheduleJob( HANDLE hPrinter, DWORD dwJobID )
{
PRINTER_INFO_5W *pi5 = NULL;
LPWSTR portname = job->portname;
UNICODE_STRING nt_name;
DWORD needed;
HKEY hkey;
WCHAR output[1024];
@ -8184,45 +7903,40 @@ BOOL WINAPI ScheduleJob( HANDLE hPrinter, DWORD dwJobID )
}
TRACE("need to schedule job %d filename %s to port %s\n", job->job_id, debugstr_w(job->filename),
debugstr_w(portname));
output[0] = 0;
/* @@ Wine registry key: HKCU\Software\Wine\Printing\Spooler */
if(RegOpenKeyW(HKEY_CURRENT_USER, spooler_key, &hkey) == ERROR_SUCCESS)
if (!strncmpW( portname, FILE_Port, strlenW( FILE_Port ) ))
{
DWORD type, count = sizeof(output);
RegQueryValueExW(hkey, portname, NULL, &type, (LPBYTE)output, &count);
RegCloseKey(hkey);
ret = schedule_file( job->filename );
}
if(output[0] == '|')
else if (isalpha(portname[0]) && portname[1] == ':')
{
ret = schedule_pipe(output + 1, job->filename);
TRACE( "copying to %s\n", debugstr_w( portname ) );
ret = CopyFileW( job->filename, portname, FALSE );
}
else if(output[0])
else if (RtlDosPathNameToNtPathName_U( job->filename, &nt_name, NULL, NULL ))
{
ret = schedule_unixfile(output, job->filename);
}
else if(!strncmpW(portname, LPR_Port, strlenW(LPR_Port)))
{
ret = schedule_lpr(portname + strlenW(LPR_Port), job->filename);
}
else if(!strncmpW(portname, CUPS_Port, strlenW(CUPS_Port)))
{
ret = schedule_cups(portname + strlenW(CUPS_Port), job->filename, job->document_title);
}
else if(!strncmpW(portname, FILE_Port, strlenW(FILE_Port)))
{
ret = schedule_file(job->filename);
}
else if(isalpha(portname[0]) && portname[1] == ':')
{
TRACE("copying to %s\n", debugstr_w(portname));
ret = CopyFileW(job->filename, portname, FALSE);
}
else
{
FIXME("can't schedule to port %s\n", debugstr_w(portname));
struct schedule_job_params params =
{
.filename = nt_name.Buffer,
.port = portname,
.document_title = job->document_title,
.wine_port = output
};
output[0] = 0;
/* @@ Wine registry key: HKCU\Software\Wine\Printing\Spooler */
if (RegOpenKeyW( HKEY_CURRENT_USER, spooler_key, &hkey ) == ERROR_SUCCESS)
{
DWORD type, count = sizeof(output);
RegQueryValueExW( hkey, portname, NULL, &type, (BYTE *)output, &count );
RegCloseKey( hkey );
}
ret = UNIX_CALL( schedule_job, &params );
RtlFreeUnicodeString( &nt_name );
}
else ret = FALSE;
if (!ret) FIXME( "can't schedule to port %s\n", debugstr_w( portname ) );
HeapFree(GetProcessHeap(), 0, pi5);
CloseHandle(hf);
DeleteFileW(job->filename);

9
dlls/winspool.drv/wspool.h
View File

@ -64,9 +64,18 @@ struct get_ppd_params
const WCHAR *ppd;
};
struct schedule_job_params
{
const WCHAR *filename;
const WCHAR *port;
const WCHAR *document_title;
const WCHAR *wine_port;
};
#define UNIX_CALL( func, params ) unix_ ## func( params )
NTSTATUS unix_process_attach( void * ) DECLSPEC_HIDDEN;
NTSTATUS unix_enum_printers( void * ) DECLSPEC_HIDDEN;
NTSTATUS unix_get_default_page_size( void * ) DECLSPEC_HIDDEN;
NTSTATUS unix_get_ppd( void * ) DECLSPEC_HIDDEN;
NTSTATUS unix_schedule_job( void * ) DECLSPEC_HIDDEN;