Module: LinuxStat::Sysconf

Defined in:
ext/sysconf/sysconf.c

Class Method Summary collapse

Class Method Details

.child_max ⇒ Object 



11
12
13
14
15
16
 
# File 'ext/sysconf/sysconf.c', line 11

static VALUE getChildMax(VALUE obj) {
  long int val = sysconf(_SC_CHILD_MAX);
  if (val < 0) return Qnil;

  return LONG2NUM(val);
}

.expr_nest_max ⇒ Object 



74
75
76
77
78
79
 
# File 'ext/sysconf/sysconf.c', line 74

static VALUE getExprNestMax(VALUE obj) {
  long val = sysconf(_SC_EXPR_NEST_MAX);
  if (val < 0) return Qnil;

  return LONG2NUM(val);
}

.get_euid ⇒ Object 



116
117
118
 
# File 'ext/sysconf/sysconf.c', line 116

static VALUE getEUID(VALUE obj) {
  return UINT2NUM((unsigned int) geteuid());
}

.get_gid ⇒ Object 



112
113
114
 
# File 'ext/sysconf/sysconf.c', line 112

static VALUE getGID(VALUE obj) {
  return UINT2NUM((unsigned int) getgid());
}

.get_login ⇒ Object 



95
96
97
98
99
100
101
102
103
104
105
106
 
# File 'ext/sysconf/sysconf.c', line 95

static VALUE getUser(VALUE obj) {
  long  = sysconf();
  if ( <= 0) return rb_str_new_cstr("");

  char name[ + 1];

  if (getlogin_r(name, sizeof(name)) != 0) {
    return rb_str_new_cstr("");
  }

  return rb_str_new_cstr(name);
}

.get_uid ⇒ Object 



108
109
110
 
# File 'ext/sysconf/sysconf.c', line 108

static VALUE getUID(VALUE obj) {
  return UINT2NUM((unsigned int) getuid());
}

.get_user ⇒ Object 



95
96
97
98
99
100
101
102
103
104
105
106
 
# File 'ext/sysconf/sysconf.c', line 95

static VALUE getUser(VALUE obj) {
  long  = sysconf();
  if ( <= 0) return rb_str_new_cstr("");

  char name[ + 1];

  if (getlogin_r(name, sizeof(name)) != 0) {
    return rb_str_new_cstr("");
  }

  return rb_str_new_cstr(name);
}

.hostname ⇒ Object 



120
121
122
123
124
125
126
127
 
# File 'ext/sysconf/sysconf.c', line 120

static VALUE getHostname(VALUE obj) {
  int h_max = sysconf(_SC_HOST_NAME_MAX) + 1;
  char hostname[h_max + 1];

  char status = gethostname(hostname, h_max);

  return (status < 0) ? rb_str_new_cstr("") : rb_str_new_cstr(hostname);
}

.hostname_max ⇒ Object 



18
19
20
21
22
23
 
# File 'ext/sysconf/sysconf.c', line 18

static VALUE getHostnameMax(VALUE obj) {
  long val = sysconf(_SC_HOST_NAME_MAX);
  if (val < 0) return Qnil;

  return LONG2NUM(val);
}

.line_max ⇒ Object 



67
68
69
70
71
72
 
# File 'ext/sysconf/sysconf.c', line 67

static VALUE getLineMax(VALUE obj) {
  long val = sysconf(_SC_LINE_MAX);
  if (val < 0) return Qnil;

  return LONG2NUM(val);
}

.login_name_max ⇒ Object 



25
26
27
28
29
30
 
# File 'ext/sysconf/sysconf.c', line 25

static VALUE getLoginNameMax(VALUE obj) {
  long val = sysconf();
  if (val < 0) return Qnil;

  return LONG2NUM(val);
}

.open_max ⇒ Object 



32
33
34
35
36
37
 
# File 'ext/sysconf/sysconf.c', line 32

static VALUE getOpenMax(VALUE obj) {
  long val = sysconf(_SC_OPEN_MAX);
  if (val < 0) return Qnil;

  return LONG2NUM(val);
}

.pagesize ⇒ Object 



39
40
41
42
43
44
 
# File 'ext/sysconf/sysconf.c', line 39

static VALUE getPageSize(VALUE obj) {
  long val = sysconf(_SC_PAGESIZE);
  if (val < 0) return Qnil;

  return LONG2NUM(val);
}

.posix_version ⇒ Object 



60
61
62
63
64
65
 
# File 'ext/sysconf/sysconf.c', line 60

static VALUE getPosixVersion(VALUE obj) {
  long val = sysconf(_SC_VERSION);
  if (val < 0) return Qnil;

  return LONG2NUM(val);
}

.processor_configured ⇒ Object 



81
82
83
84
85
86
 
# File 'ext/sysconf/sysconf.c', line 81

static VALUE getProcessorConfigured(VALUE obj) {
  long val = sysconf(_SC_NPROCESSORS_CONF);
  if (val < 0) return Qnil;

  return LONG2NUM(val);
}

.processor_online ⇒ Object 



88
89
90
91
92
93
 
# File 'ext/sysconf/sysconf.c', line 88

static VALUE getProcessorOnline(VALUE obj) {
  long val = sysconf(_SC_NPROCESSORS_ONLN);
  if (val < 0) return Qnil;

  return LONG2NUM(val);
}

.sc_clk_tck ⇒ Object 



4
5
6
7
8
9
 
# File 'ext/sysconf/sysconf.c', line 4

static VALUE getTick(VALUE obj) {
  int val = sysconf(_SC_CLK_TCK);
  if (val < 0) return Qnil;

  return INT2FIX(val);
}

.stream_max ⇒ Object 



46
47
48
49
50
51
 
# File 'ext/sysconf/sysconf.c', line 46

static VALUE getStreamMax(VALUE obj) {
  long val = sysconf(_SC_STREAM_MAX);
  if (val < 0) return Qnil;

  return LONG2NUM(val);
}

.tty_name_max ⇒ Object 



53
54
55
56
57
58
 
# File 'ext/sysconf/sysconf.c', line 53

static VALUE getTTYNameMax(VALUE obj) {
  long val = sysconf(_SC_TTY_NAME_MAX);
  if (val < 0) return Qnil;

  return LONG2NUM(val);
}