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
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
/* ISC license. */
#include <sys/types.h>
#include <skalibs/uint.h>
#include <skalibs/bytestr.h>
#include <skalibs/env.h>
#include <skalibs/strerr2.h>
#include <skalibs/sgetopt.h>
#include <skalibs/tai.h>
#include <s6/s6-fdholder.h>
#define USAGE "s6-fdholder-setdumpc [ -t timeout ]"
#define dieusage() strerr_dieusage(100, USAGE)
int main (int argc, char const *const *argv, char const *const *envp)
{
s6_fdholder_t a = S6_FDHOLDER_ZERO ;
tain_t deadline ;
unsigned int dumplen ;
char const *x ;
PROG = "s6-fdholder-setdumpc" ;
{
unsigned int t = 0 ;
subgetopt_t l = SUBGETOPT_ZERO ;
for (;;)
{
register int opt = subgetopt_r(argc, argv, "t:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 't' : if (!uint0_scan(l.arg, &t)) dieusage() ; break ;
default : dieusage() ;
}
}
argc -= l.ind ; argv += l.ind ;
if (t) tain_from_millisecs(&deadline, t) ;
else deadline = tain_infinite_relative ;
}
s6_fdholder_init(&a, 6) ;
x = env_get2(envp, "S6_FD#") ;
if (!x) strerr_dienotset(100, "S6_FD#") ;
if (!uint0_scan(x, &dumplen)) strerr_dieinvalid(100, "S6_FD#") ;
if (dumplen)
{
unsigned int i = 0 ;
s6_fdholder_fd_t dump[dumplen] ;
char s[11 + UINT_FMT] ;
tain_now_g() ;
tain_add_g(&deadline, &deadline) ;
for (; i < dumplen ; i++)
{
size_t len ;
unsigned int fd ;
byte_copy(s, 6, "S6_FD_") ;
s[6 + uint_fmt(s+6, i)] = 0 ;
x = env_get2(envp, s) ;
if (!x) strerr_dienotset(100, s) ;
if (!uint0_scan(x, &fd)) strerr_dieinvalid(100, s) ;
dump[i].fd = fd ;
byte_copy(s, 8, "S6_FDID_") ;
s[8 + uint_fmt(s+8, i)] = 0 ;
x = env_get2(envp, s) ;
if (!x) strerr_dienotset(100, s) ;
len = str_len(x) ;
if (!len || len > S6_FDHOLDER_ID_SIZE) strerr_dieinvalid(100, s) ;
byte_copy(dump[i].id, len+1, x) ;
byte_copy(s, 11, "S6_FDLIMIT_") ;
s[11 + uint_fmt(s+11, i)] = 0 ;
x = env_get2(envp, s) ;
if (!x) tain_add_g(&dump[i].limit, &tain_infinite_relative) ;
else if (!timestamp_scan(x, &dump[i].limit)) strerr_dieinvalid(100, s) ;
}
if (!s6_fdholder_setdump_g(&a, dump, dumplen, &deadline))
strerr_diefu1sys(1, "set dump") ;
}
return 0 ;
}
|
