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service: dump fdstore contents also in free-form debug dump

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This commit is contained in:
Lennart Poettering 2023-03-30 16:38:47 +02:00
parent b3a3ed2d50
commit f2eb0c508f
1 changed files with 39 additions and 0 deletions
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39
src/core/service.c
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@ -17,6 +17,7 @@
#include "constants.h"
#include "dbus-service.h"
#include "dbus-unit.h"
#include "devnum-util.h"
#include "env-util.h"
#include "escape.h"
#include "exit-status.h"
@ -874,6 +875,42 @@ static int service_load(Unit *u) {
return service_verify(s);
}
static void service_dump_fdstore(Service *s, FILE *f, const char *prefix) {
assert(s);
assert(f);
assert(prefix);
LIST_FOREACH(fd_store, i, s->fd_store) {
_cleanup_free_ char *path = NULL;
struct stat st;
int flags;
if (fstat(i->fd, &st) < 0) {
log_debug_errno(errno, "Failed to stat fdstore entry: %m");
continue;
}
flags = fcntl(i->fd, F_GETFL);
if (flags < 0) {
log_debug_errno(errno, "Failed to get fdstore entry flags: %m");
continue;
}
(void) fd_get_path(i->fd, &path);
fprintf(f,
"%s%s '%s' (type=%s; dev=" DEVNUM_FORMAT_STR "; inode=%" PRIu64 "; rdev=" DEVNUM_FORMAT_STR "; path=%s; access=%s)\n",
prefix, i == s->fd_store ? "File Descriptor Store Entry:" : " ",
i->fdname,
inode_type_to_string(st.st_mode),
DEVNUM_FORMAT_VAL(st.st_dev),
(uint64_t) st.st_ino,
DEVNUM_FORMAT_VAL(st.st_rdev),
strna(path),
accmode_to_string(flags));
}
}
static void service_dump(Unit *u, FILE *f, const char *prefix) {
Service *s = SERVICE(u);
const char *prefix2;
@ -997,6 +1034,8 @@ static void service_dump(Unit *u, FILE *f, const char *prefix) {
prefix, s->n_fd_store_max,
prefix, s->n_fd_store);
service_dump_fdstore(s, f, prefix);
if (s->open_files)
LIST_FOREACH(open_files, of, s->open_files) {
_cleanup_free_ char *ofs = NULL;