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
79
80
81
82
|
/* ISC license. */
#include <skalibs/uint.h>
#include <skalibs/bytestr.h>
#include <skalibs/strerr2.h>
#include <skalibs/sgetopt.h>
#include <skalibs/tai.h>
#include <skalibs/djbunix.h>
#include <skalibs/genalloc.h>
#include <s6/s6-fdholder.h>
#define USAGE "s6-fdholder-getdumpc [ -t timeout ] prog..."
#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 ;
genalloc dump = GENALLOC_ZERO ;
tain_t deadline, halfinfinite ;
PROG = "s6-fdholder-getdumpc" ;
{
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 ;
}
if (!argc) dieusage() ;
s6_fdholder_init(&a, 6) ;
tain_now_g() ;
tain_add_g(&deadline, &deadline) ;
if (!s6_fdholder_getdump_g(&a, &dump, &deadline))
strerr_diefu1sys(111, "get dump") ;
s6_fdholder_free(&a) ;
tain_half(&halfinfinite, &tain_infinite_relative) ;
tain_add_g(&halfinfinite, &halfinfinite) ;
{
unsigned int n = genalloc_len(s6_fdholder_fd_t, &dump) ;
unsigned int pos = 0, i = 0 ;
char modifs[7 + UINT_FMT + (25 + TIMESTAMP + 4 * UINT_FMT) * n] ;
byte_copy(modifs + pos, 7, "S6_FD#=") ; pos += 7 ;
pos += uint_fmt(modifs + pos, n) ;
modifs[pos++] = 0 ;
for (; i < n ; i++)
{
s6_fdholder_fd_t *p = genalloc_s(s6_fdholder_fd_t, &dump) + i ;
unsigned int len = str_len(p->id) + 1 ;
if (uncoe(p->fd) < 0) strerr_diefu1sys(111, "uncoe") ;
byte_copy(modifs + pos, 6, "S6_FD_") ; pos += 6 ;
pos += uint_fmt(modifs + pos, i) ;
modifs[pos++] = '=' ;
pos += uint_fmt(modifs + pos, p->fd) ;
modifs[pos++] = 0 ;
byte_copy(modifs + pos, 8, "S6_FDID_") ; pos += 8 ;
pos += uint_fmt(modifs + pos, i) ;
modifs[pos++] = '=' ;
byte_copy(modifs + pos, len, p->id) ;
pos += len ;
if (tain_less(&p->limit, &halfinfinite))
{
byte_copy(modifs + pos, 11, "S6_FDLIMIT_") ; pos += 11 ;
pos += uint_fmt(modifs + pos, i) ;
modifs[pos++] = '=' ;
pos += timestamp_fmt(modifs + pos, &p->limit) ;
modifs[pos++] = 0 ;
}
}
pathexec_r(argv, envp, env_len(envp), modifs, pos) ;
}
strerr_dieexec(111, argv[0]) ;
}
|
