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/*
* Unix SMB / CIFS implementation .
*
* Process utils .
*
* Copyright ( c ) 2013 Andreas Schneider < asn @ samba . org >
*
* This program is free software ; you can redistribute it and / or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation ; either version 3 of the License , or
* ( at your option ) any later version .
*
* This program is distributed in the hope that it will be useful ,
* but WITHOUT ANY WARRANTY ; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the
* GNU General Public License for more details .
*
* You should have received a copy of the GNU General Public License
* along with this program ; if not , see < http : //www.gnu.org/licenses/>.
*/
# include "util_process.h"
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# include "replace.h"
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# ifdef HAVE_SYS_PRCTL_H
# include <sys/prctl.h>
# endif
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/*
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* These variables are static so that we can access them
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* with process_get_short_title ( ) and process_get_long_title ( ) . The
* purpose of this is to allow smb_panic_log ( ) to print them .
*/
static char short_comment [ 16 ] = { 0 , } ;
static char long_comment [ 256 ] = { 0 , } ;
static char binary_name [ 256 ] ;
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void process_set_title ( const char * short_format , const char * long_format , . . . )
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{
# if defined(HAVE_PRCTL) && defined(PR_SET_NAME)
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if ( short_format ! = NULL ) {
va_list ap ;
va_start ( ap , long_format ) ;
vsnprintf ( short_comment , sizeof ( short_comment ) , short_format , ap ) ;
va_end ( ap ) ;
prctl ( PR_SET_NAME , ( unsigned long ) short_comment , 0 , 0 , 0 ) ;
}
# endif
if ( long_format ! = NULL ) {
va_list ap ;
va_start ( ap , long_format ) ;
vsnprintf ( long_comment , sizeof ( long_comment ) , long_format , ap ) ;
va_end ( ap ) ;
setproctitle ( " %s " , long_comment ) ;
}
}
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const char * process_get_short_title ( void )
{
return short_comment ;
}
const char * process_get_long_title ( void )
{
return long_comment ;
}
/*
* This is just for debugging in a panic , so we don ' t want to do
* anything more than return a fixed pointer , so we save a copy to a
* static variable .
*/
void process_save_binary_name ( const char * progname )
{
strlcpy ( binary_name , progname , sizeof ( binary_name ) ) ;
}
/* Samba binaries will set this during popt handling */
const char * process_get_saved_binary_name ( void )
{
return binary_name ;
}
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int prctl_set_comment ( const char * comment_format , . . . )
{
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char comment [ 16 ] ;
va_list ap ;
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va_start ( ap , comment_format ) ;
vsnprintf ( comment , sizeof ( comment ) , comment_format , ap ) ;
va_end ( ap ) ;
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process_set_title ( " %s " , " %s " , comment ) ;
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return 0 ;
}