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path: root/src/fdholder/s6-fdholder-retrieve.c
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Diffstat (limited to 'src/fdholder/s6-fdholder-retrieve.c')
-rw-r--r--src/fdholder/s6-fdholder-retrieve.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/src/fdholder/s6-fdholder-retrieve.c b/src/fdholder/s6-fdholder-retrieve.c
new file mode 100644
index 0000000..3622580
--- /dev/null
+++ b/src/fdholder/s6-fdholder-retrieve.c
@@ -0,0 +1,62 @@
+/* ISC license. */
+
+#include <skalibs/uint.h>
+#include <skalibs/sgetopt.h>
+#include <skalibs/strerr2.h>
+#include <skalibs/djbunix.h>
+#include <execline/config.h>
+#include <s6/config.h>
+
+#define USAGE "s6-fdholder-retrieve [ -D ] [ -t timeout ] socket id prog..."
+#define dieusage() strerr_dieusage(100, USAGE)
+
+int main (int argc, char const *const *argv, char const *const *envp)
+{
+ unsigned int timeout = 0 ;
+ int dodelete = 0 ;
+ PROG = "s6-fdholder-retrieve" ;
+ {
+ 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, &timeout)) dieusage() ; break ;
+ default : dieusage() ;
+ }
+ }
+ argc -= l.ind ; argv += l.ind ;
+ if (argc < 3) dieusage() ;
+ }
+
+ {
+ char const *newargv[13 + argc] ;
+ unsigned int m = 0 ;
+ char fmtt[UINT_FMT] ;
+ newargv[m++] = S6_BINPREFIX "s6-ipcclient" ;
+ newargv[m++] = "-l0" ;
+ newargv[m++] = "--" ;
+ newargv[m++] = *argv++ ;
+ newargv[m++] = S6_BINPREFIX "s6-fdholder-retrievec" ;
+ if (dodelete) newargv[m++] = "-D" ;
+ if (timeout)
+ {
+ fmtt[uint_fmt(fmtt, timeout)] = 0 ;
+ newargv[m++] = "-t" ;
+ newargv[m++] = fmtt ;
+ }
+ newargv[m++] = "--" ;
+ newargv[m++] = *argv++ ;
+ newargv[m++] = EXECLINE_EXTBINPREFIX "fdclose" ;
+ newargv[m++] = "6" ;
+ newargv[m++] = EXECLINE_EXTBINPREFIX "fdclose" ;
+ newargv[m++] = "7" ;
+ while (*argv) newargv[m++] = *argv++ ;
+ newargv[m++] = 0 ;
+ pathexec_run(newargv[0], newargv, envp) ;
+ strerr_dieexec(111, newargv[0]) ;
+ }
+}