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pid1: add some debug logging when stashing ds into the fdstore

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This commit is contained in:
Lennart Poettering 2023-04-12 21:07:29 +02:00
parent 81a1d6d679
commit e8783d7620
1 changed files with 10 additions and 3 deletions
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13
src/core/service.c
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@ -481,6 +481,7 @@ static int on_fd_store_io(sd_event_source *e, int fd, uint32_t revents, void *us
}
static int service_add_fd_store(Service *s, int fd, const char *name, bool do_poll) {
struct stat st;
ServiceFDStore *fs;
int r;
@ -489,16 +490,22 @@ static int service_add_fd_store(Service *s, int fd, const char *name, bool do_po
assert(s);
assert(fd >= 0);
if (fstat(fd, &st) < 0)
return -errno;
log_unit_debug(UNIT(s), "Trying to stash fd for dev=" DEVNUM_FORMAT_STR "/inode=%" PRIu64, DEVNUM_FORMAT_VAL(st.st_dev), (uint64_t) st.st_ino);
if (s->n_fd_store >= s->n_fd_store_max)
return -EXFULL; /* Our store is full.
* Use this errno rather than E[NM]FILE to distinguish from
* the case where systemd itself hits the file limit. */
/* Our store is full. Use this errno rather than E[NM]FILE to distinguish from the case
* where systemd itself hits the file limit. */
return log_unit_debug_errno(UNIT(s), SYNTHETIC_ERRNO(EXFULL), "Hit fd store limit.");
LIST_FOREACH(fd_store, i, s->fd_store) {
r = same_fd(i->fd, fd);
if (r < 0)
return r;
if (r > 0) {
log_unit_debug(UNIT(s), "Suppressing duplicate fd in fd store.");
asynchronous_close(fd);
return 0; /* fd already included */
}