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/* ISC license. */
#include <skalibs/uint.h>
#include <skalibs/strerr2.h>
#include <skalibs/sgetopt.h>
#include <skalibs/tai.h>
#include <skalibs/djbunix.h>
#include <s6/s6-fdholder.h>
#define USAGE "s6-fdholder-retrievec [ -D ] [ -t timeout ] id 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 ;
tain_t deadline ;
int fd ;
int dodelete = 0 ;
PROG = "s6-fdholder-retrievec" ;
{
unsigned int t = 0 ;
subgetopt_t l = SUBGETOPT_ZERO ;
for (;;)
{
register int opt = subgetopt_r(argc, argv, "Dt:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'D' : dodelete = 1 ; break ;
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) ;
fd = s6_fdholder_retrieve_maybe_delete_g(&a, argv[0], dodelete, &deadline) ;
if (fd < 0) strerr_diefu2sys(1, "retrieve fd for id ", argv[0]) ;
else if (!fd)
{
if (uncoe(0) < 0) strerr_diefu1sys(111, "uncoe stdin") ;
}
else if (fd_move(0, fd) < 0) strerr_diefu1sys(111, "move fd") ;
pathexec_run(argv[1], argv+1, envp) ;
strerr_dieexec(111, argv[1]) ;
}
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