include/shm.h

   1 #pragma once
   2
   3 #include <sys/time.h>
   4 #include <sys/types.h>
   5
   6 #include <stdio.h>
   7
   8 #include "constants.h"
   9 #include "exit.h"
  10 #include "locks.h"
  11 #include "net.h"
  12 #include "types.h"
  13
  14 void create_shm(void);
  15 void create_shm_arrays(void);
  16 void init_shm(void);
  17
  18 struct syscallrecord {
  19         unsigned int nr;        /* protected by syscall_lock */
  20         unsigned long a1;
  21         unsigned long a2;
  22         unsigned long a3;
  23         unsigned long a4;
  24         unsigned long a5;
  25         unsigned long a6;
  26         unsigned long retval;
  27         bool do32bit;           /* protected by syscall_lock */
  28 };
  29
  30 struct shm_s {
  31         unsigned long total_syscalls_done;
  32         unsigned long successes;
  33         unsigned long failures;
  34         unsigned long previous_count;
  35         unsigned long *child_syscall_count;
  36
  37         unsigned long regenerate;
  38         unsigned int seed;
  39         unsigned int *seeds;
  40
  41         /* Indices of syscall in syscall table that are active.
  42          * All indices shifted by +1. Empty index equals to 0.
  43          *
  44          * 'active_syscalls' is only used on uniarch. The other two
  45          * are only used on biarch. FIXME: Make this compile-time somehow? */
  46         int active_syscalls32[MAX_NR_SYSCALL];
  47         int active_syscalls64[MAX_NR_SYSCALL];
  48         int active_syscalls[MAX_NR_SYSCALL];
  49         unsigned int nr_active_syscalls;
  50         unsigned int nr_active_32bit_syscalls;
  51         unsigned int nr_active_64bit_syscalls;
  52
  53         pid_t mainpid;
  54         pid_t *pids;
  55
  56         pid_t last_reaped;
  57         bool spawn_no_more;
  58         unsigned char *kill_count;
  59
  60         unsigned int running_childs;
  61         struct timeval *tv;
  62         struct timeval taint_tv;
  63
  64         FILE **logfiles;
  65
  66         int pipe_fds[MAX_PIPE_FDS*2];
  67         int file_fds[NR_FILE_FDS];              /* All children inherit these */
  68         int perf_fds[MAX_PERF_FDS];
  69         int epoll_fds[MAX_EPOLL_FDS];
  70         int eventfd_fds[MAX_EPOLL_FDS];
  71
  72         struct socketinfo sockets[NR_SOCKET_FDS];
  73
  74         struct syscallrecord *syscall;  /* FIXME: protect all accesses with syscall_lock */
  75         struct syscallrecord *previous;
  76
  77         unsigned long *scratch;
  78
  79         int current_fd;
  80         unsigned int fd_lifetime;
  81
  82         /* per-child mmaps */
  83         struct map **mappings;
  84         unsigned int *num_mappings;
  85
  86         /* various flags. */
  87         bool dont_make_it_fail;
  88         enum exit_reasons exit_reason;
  89
  90         /* locks */
  91         volatile unsigned char regenerating;
  92         lock_t reaper_lock;
  93         lock_t syscall_lock;
  94
  95         bool ready;
  96 };
  97 extern struct shm_s *shm;
  98
  99 #define SHM_OK 0
 100 #define SHM_CORRUPT 1