1 #include <unistd.h>
2 #include "strerr.h"
3 #include "error.h"
4 #include "open.h"
5
6 #define USAGE " u|d|o|p|c|h|a|i|q|1|2|t|k|x|e service ..."
7
8 #define VERSION "$Id: ccf8fc8ee3c340d8de97b5ddd9270b55e0f437cb $"
9
10 #define FATAL "runsvctrl: fatal: "
11 #define WARNING "runsvctrl: warning: "
12
13 char *progname;
14 unsigned int rc =0;
15
usage()16 void usage() { strerr_die4x(1, "usage: ", progname, USAGE, "\n"); }
17
fatal(char * m1)18 void fatal(char *m1) { strerr_die3sys(111, FATAL, m1, ": "); }
warn(char * m1,char * m2)19 void warn(char *m1, char *m2) {
20 rc++;
21 strerr_warn5(WARNING, m1, ": ", m2, ": ", &strerr_sys);
22 }
warnx(char * m1,char * m2)23 void warnx(char *m1, char *m2) {
24 rc++;
25 strerr_warn4(WARNING, m1, ": ", m2, 0);
26 }
27
ctrl(char * name,char c)28 int ctrl(char *name, char c) {
29 int fd;
30
31 if ((fd =open_write("supervise/control")) == -1) {
32 if (errno == error_nodevice)
33 warnx(name, "runsv not running.");
34 else
35 warn(name, "unable to open supervise/control");
36 return(-1);
37 }
38 if (write(fd, &c, 1) != 1) {
39 warn(name, "unable to write to supervise/control");
40 return(-1);
41 }
42 return(1);
43 }
44
main(int argc,char ** argv)45 int main(int argc, char **argv) {
46 char **dir;
47 int curdir;
48 char c;
49
50 progname =*argv++;
51
52 if (! argv || ! *argv) usage();
53
54 switch ((c =**argv)) {
55 case 'e': c ='x';
56 case 'u': case 'd': case 'o': case 'x': case 'p': case 'c': case 'h':
57 case 'a': case 'i': case 't': case 'k': case 'q': case '1': case '2':
58 break;
59 default:
60 usage();
61 }
62 dir =++argv;
63 if (! dir || ! *dir) usage();
64
65 if ((curdir =open_read(".")) == -1) {
66 rc =100;
67 fatal("unable to open current directory");
68 }
69 for (; dir && *dir; dir++) {
70 if (chdir(*dir) == -1) {
71 warn(*dir, "unable to change directory");
72 continue;
73 }
74 ctrl(*dir, c);
75 if (fchdir(curdir) == -1) {
76 rc =100;
77 fatal("unable to change directory");
78 }
79 }
80 if (rc > 100) rc =100;
81 _exit(rc);
82 }
83