1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
/* ISC license. */
#include <skalibs/sgetopt.h>
#include <skalibs/strerr2.h>
#include <s6/s6-supervise.h>
#define USAGE "s6-svscanctl [ -zabhitqnN ] svscandir"
#define dieusage() strerr_dieusage(100, USAGE)
#define DATASIZE 64
int main (int argc, char const *const *argv)
{
char data[DATASIZE] ;
unsigned int datalen = 0 ;
PROG = "s6-svscanctl" ;
{
subgetopt_t l = SUBGETOPT_ZERO ;
for (;;)
{
int opt = subgetopt_r(argc, argv, "phratszbnNiq0678", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'z' :
case 'a' :
case 'b' :
case 'h' :
case 'i' :
case 't' :
case 'q' :
case 'n' :
case 'N' :
{
if (datalen >= DATASIZE) strerr_dief1x(100, "too many commands") ;
data[datalen++] = opt ;
break ;
}
default : dieusage() ;
}
}
argc -= l.ind ; argv += l.ind ;
}
if (!argc) dieusage() ;
switch (s6_svc_writectl(argv[0], S6_SVSCAN_CTLDIR, data, datalen))
{
case -1 : strerr_diefu2sys(111, "control ", argv[0]) ;
case -2 : strerr_dief3sys(100, "something is wrong with the ", argv[0], "/" S6_SVSCAN_CTLDIR " directory. errno reported") ;
case 0 : strerr_diefu3x(100, "control ", argv[0], ": supervisor not listening") ;
}
return 0 ;
}
|
