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os/Cygwin.h  view on Meta::CPAN

 * I wanted init_static_vars to be at the way top close to the global vars */
static char *read_file(const char *path, const char *extra_path, off_t *len,
    struct obstack *mem_pool);

struct procstat
{
  /* user/group id of the user running it */
  int                   uid;
  int                   gid;
  /* values scraped from /proc/{$pid}/stat */
  pid_t                 pid;
  char                	comm[NAME_MAX];
  char                	state_c;
  int                 	ppid;
  int                 	pgrp;
  int                 	sid;
  int                 	tty;
  unsigned            	flags;
  unsigned long       	minflt, cminflt, majflt, cmajflt;
  unsigned long long  	utime, stime;
  long long           	cutime, cstime;
  long                	priority;
  unsigned long long  	start_time;
  unsigned long       	vsize;
  long                	rss;
  /* these are derived from above time values */
  unsigned long long    time, ctime;
  /* from above state_c but fixed up elsewhere */
  const char           *state;
  /* values scraped from /proc/{$pid}/status */
  int                   euid, suid, fuid;
  int                   egid, sgid, fgid;
  /* cwd, cmdline & exec files; values allocated at the end of obstacks */
  char                 *cwd;
  char                 *cmndline;
  char                 *cmdline;
  int                   cmdline_len;
  char                 *environ;
  int                   environ_len;
  char                 *exec;
  /* other values */
  char                  pctcpu[LENGTH_PCTCPU];    /* percent cpu, without '%' char */
  char                  pctmem[sizeof("100.00")]; /* percent memory, without '%' char */
  /* extra Windows stuff */
  char                 *winexename;
  int                   winpid;
};


enum state
{
    SLEEP,
    RUN,
    DEFUNCT,
    STOP,
    UWAIT,
};


/* strings, to make sure they get placed in read only memory,
 * ditto for pointers to them and so we avoid relocations */
static const char strings[] =
{
  /* process state */
  "sleep\0"
  "run\0"
  "defunct\0"
  "stop\0"
  "uwait\0"
  /* error messages */
  "/proc unavailable\0"
  "initialization failed\0"
  /* fields */
  "uid\0"
  "gid\0"
  "pid\0"
  "fname\0"
  "ppid\0"
  "pgrp\0"
  "sess\0"
  "ttynum\0"
  "flags\0"
  "minflt\0"
  "cminflt\0"
  "majflt\0"
  "cmajflt\0"
  "utime\0"
  "stime\0"
  "cutime\0"
  "cstime\0"
  "priority\0"
  "start\0"
  "size\0"
  "rss\0"
  "time\0"
  "ctime\0"
  "state\0"
  "euid\0"
  "suid\0"
  "fuid\0"
  "egid\0"
  "sgid\0"
  "fgid\0"
  "pctcpu\0"
  "pctmem\0"
  "cmndline\0"
  "exec\0"
  "cwd\0"
  "cmdline\0"
  "environ\0"
  "winexename\0"
  "winpid\0"
  /* format string */
  "IIISIIIILLLLLJJJJIJPLJJSIIIIIISSSSSAASI\0"
};

static const size_t strings_index[] =
{
  /* process status strings */
    0, /*  6 sleep */
    6, /*  4 run */