Line data    Source code

       1             : #define _GNU_SOURCE
       2             : #include "../../shared/fd_config.h"
       3             : #include "../../shared/fd_action.h"
       4             : #include "../../platform/fd_sys_util.h"
       5             : 
       6             : #include <sys/resource.h>
       7             : 
       8             : void
       9             : initialize_workspaces( config_t const * config );
      10             : 
      11             : void
      12             : wksp_cmd_perm( args_t *         args FD_PARAM_UNUSED,
      13             :                fd_cap_chk_t *   chk,
      14           0 :                config_t const * config ) {
      15           0 :   ulong mlock_limit = 0UL;
      16           0 :   for( ulong i=0UL; i<config->topo.wksp_cnt; i++ ) {
      17           0 :     fd_topo_wksp_t const * wksp = &config->topo.workspaces[ i ];
      18           0 :     mlock_limit = fd_ulong_max( mlock_limit, wksp->page_cnt * wksp->page_sz );
      19           0 :   }
      20             :   /* One 4K page is used by the logging lock */
      21           0 :   fd_cap_chk_raise_rlimit( chk, "wksp", RLIMIT_MEMLOCK, mlock_limit+4096UL, "call `rlimit(2)` to increase `RLIMIT_MEMLOCK` so all memory can be locked with `mlock(2)`" );
      22           0 : }
      23             : 
      24             : void
      25             : wksp_cmd_fn( args_t *   args FD_PARAM_UNUSED,
      26           0 :              config_t * config ) {
      27           0 :   initialize_workspaces( config );
      28           0 :   fd_sys_util_exit_group( 0 );
      29           0 : }
      30             : 
      31             : action_t fd_action_wksp = {
      32             :   .name = "wksp",
      33             :   .args = NULL,
      34             :   .fn   = wksp_cmd_fn,
      35             :   .perm = wksp_cmd_perm,
      36             :   .description = "Initialize workspaces"
      37             : };