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Add service respawn limit
Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
This commit is contained in:
parent
09115f9a97
commit
160ef94e8b
3 changed files with 40 additions and 0 deletions
10
initd/main.c
10
initd/main.c
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@ -43,6 +43,16 @@ static void handle_exited(service_t *svc)
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break;
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}
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if (svc->rspwn_limit > 0) {
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svc->rspwn_limit -= 1;
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if (svc->rspwn_limit == 0) {
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print_status(svc->desc, STATUS_FAIL, false);
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delsvc(svc);
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break;
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}
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}
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svc->pid = runlst(svc->exec, svc->num_exec, svc->ctty);
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if (svc->pid == -1) {
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print_status(svc->desc, STATUS_FAIL, false);
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@ -53,6 +53,8 @@ typedef struct service_t {
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size_t num_exec; /* number of command lines */
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char *ctty; /* controlling tty or log file */
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int rspwn_limit; /* maximum respawn count */
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char **before; /* services that must be executed later */
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size_t num_before;
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char **after; /* services that must be executed first */
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@ -23,6 +23,7 @@
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#include <stdio.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <ctype.h>
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#include "service.h"
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#include "util.h"
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@ -132,6 +133,32 @@ static int svc_target(service_t *svc, char *arg,
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return 0;
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}
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static int svc_rspwn_limit(service_t *svc, char *arg,
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const char *filename, size_t lineno)
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{
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const char *ptr;
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svc->rspwn_limit = 0;
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if (!isdigit(*arg))
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goto fail;
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for (ptr = arg; isdigit(*ptr); ++ptr)
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svc->rspwn_limit = svc->rspwn_limit * 10 + (*ptr - '0');
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if (*ptr != '\0')
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goto fail;
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free(arg);
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return 0;
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fail:
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fprintf(stderr,
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"%s: %zu: expected numeric argument for respawn limit\n",
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filename, lineno);
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free(arg);
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return -1;
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}
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static const struct {
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const char *key;
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@ -147,6 +174,7 @@ static const struct {
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{ "tty", svc_tty },
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{ "before", svc_before },
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{ "after", svc_after },
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{ "respawn_limit", svc_rspwn_limit },
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};
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