include/shm.h

   1 #ifndef _SHM_H
   2 #define _SHM_H 1
   3
   4 #include <sys/time.h>
   5 #include <sys/types.h>
   6
   7 #include <stdio.h>
   8
   9 #include "constants.h"
  10 #include "exit.h"
  11 #include "net.h"
  12 #include "types.h"
  13
  14 void * alloc_shared(unsigned int size);
  15 int create_shm(void);
  16 void setup_shm_postargs(void);
  17
  18 struct shm_s {
  19         unsigned long total_syscalls_done;
  20         unsigned long successes;
  21         unsigned long failures;
  22         unsigned long previous_count;
  23         unsigned long child_syscall_count[MAX_NR_CHILDREN];
  24
  25         unsigned long regenerate;
  26         unsigned int seed;
  27         unsigned int seeds[MAX_NR_CHILDREN];
  28         unsigned int reseed_counter;
  29
  30         //Indices of syscall in syscall table that are active. All indices shifted by +1. Empty index equals to 0.
  31         int active_syscalls32[MAX_NR_SYSCALL];
  32         int active_syscalls64[MAX_NR_SYSCALL];
  33         int active_syscalls[MAX_NR_SYSCALL];
  34         unsigned int nr_active_syscalls;
  35         unsigned int nr_active_32bit_syscalls;
  36         unsigned int nr_active_64bit_syscalls;
  37
  38         pid_t mainpid;
  39         pid_t pids[MAX_NR_CHILDREN];
  40         unsigned char child_type[MAX_NR_CHILDREN];
  41
  42         pid_t last_reaped;
  43         bool spawn_no_more;
  44         char kill_count[MAX_NR_CHILDREN];
  45
  46         unsigned int max_children;
  47         unsigned int running_childs;
  48         struct timeval tv[MAX_NR_CHILDREN];
  49
  50         FILE *logfiles[MAX_NR_CHILDREN];
  51
  52         int pipe_fds[MAX_PIPE_FDS*2];
  53         int file_fds[NR_FILE_FDS];              /* All children inherit these */
  54         int perf_fds[MAX_PERF_FDS];
  55         int epoll_fds[MAX_EPOLL_FDS];
  56         int eventfd_fds[MAX_EPOLL_FDS];
  57
  58         struct socketinfo sockets[NR_SOCKET_FDS];
  59
  60         /* state for the syscall currently in progress. */
  61         unsigned int previous_syscallno[MAX_NR_CHILDREN];
  62         unsigned long previous_a1[MAX_NR_CHILDREN];
  63         unsigned long previous_a2[MAX_NR_CHILDREN];
  64         unsigned long previous_a3[MAX_NR_CHILDREN];
  65         unsigned long previous_a4[MAX_NR_CHILDREN];
  66         unsigned long previous_a5[MAX_NR_CHILDREN];
  67         unsigned long previous_a6[MAX_NR_CHILDREN];
  68
  69         unsigned int syscallno[MAX_NR_CHILDREN];
  70         unsigned long a1[MAX_NR_CHILDREN];
  71         unsigned long a2[MAX_NR_CHILDREN];
  72         unsigned long a3[MAX_NR_CHILDREN];
  73         unsigned long a4[MAX_NR_CHILDREN];
  74         unsigned long a5[MAX_NR_CHILDREN];
  75         unsigned long a6[MAX_NR_CHILDREN];
  76
  77         unsigned long retval[MAX_NR_CHILDREN];
  78
  79         unsigned long scratch[MAX_NR_CHILDREN];
  80
  81         int current_fd;
  82         unsigned int fd_lifetime;
  83
  84         /* per-child mmaps */
  85         struct map *mappings[MAX_NR_CHILDREN];
  86         unsigned int num_mappings[MAX_NR_CHILDREN];
  87
  88         /* various flags. */
  89         bool do32bit[MAX_NR_CHILDREN];
  90         bool do_make_it_fail;
  91         bool need_reseed;
  92         enum exit_reasons exit_reason;
  93
  94         /* locks */
  95         volatile unsigned char regenerating;
  96         volatile unsigned char reaper_lock;
  97
  98         bool ready;
  99 };
 100 extern struct shm_s *shm;
 101
 102 #define SHM_OK 0
 103 #define SHM_CORRUPT 1
 104
 105 #endif  /* _SHM_H */