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Use SLIST instead of TAILQ for killall5(8) 

No need to teardown the list at the end.
This commit is contained in:
sin 2015-10-07 14:50:38 +02:00
parent 3e7e1e9644
commit d3efa66c82
1 changed files with 6 additions and 12 deletions
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18
killall5.c
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@ -24,10 +24,10 @@ struct {
struct pidentry {
pid_t pid;
TAILQ_ENTRY(pidentry) entry;
SLIST_ENTRY(pidentry) entry;
};
static TAILQ_HEAD(omitpid_head, pidentry) omitpid_head;
static SLIST_HEAD(, pidentry) omitpid_head;
static void
usage(void)
@ -38,7 +38,7 @@ usage(void)
int
main(int argc, char *argv[])
{
struct pidentry *pe, *tmp;
struct pidentry *pe;
struct dirent *entry;
DIR *dp;
char *p, *arg = NULL;
@ -71,12 +71,12 @@ main(int argc, char *argv[])
usage();
} ARGEND;
TAILQ_INIT(&omitpid_head);
SLIST_INIT(&omitpid_head);
for (p = strtok(arg, ","); p; p = strtok(NULL, ",")) {
pe = emalloc(sizeof(*pe));
pe->pid = estrtol(p, 10);
TAILQ_INSERT_TAIL(&omitpid_head, pe, entry);
SLIST_INSERT_HEAD(&omitpid_head, pe, entry);
}
if (sig != SIGSTOP && sig != SIGCONT)
@ -92,7 +92,7 @@ main(int argc, char *argv[])
getsid(pid) == getsid(0) || getsid(pid) == 0)
continue;
if (oflag == 1) {
TAILQ_FOREACH(pe, &omitpid_head, entry)
SLIST_FOREACH(pe, &omitpid_head, entry)
if (pe->pid == pid)
break;
if (pe)
@ -105,11 +105,5 @@ main(int argc, char *argv[])
if (sig != SIGSTOP && sig != SIGCONT)
kill(-1, SIGCONT);
for (pe = TAILQ_FIRST(&omitpid_head); pe; pe = tmp) {
tmp = TAILQ_NEXT(pe, entry);
TAILQ_REMOVE(&omitpid_head, pe, entry);
free(pe);
}
return 0;
}