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fd-util: close_all() check d_type

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Tiny optimization: check dirent's d_type before trying to parse
/proc/self/fd/ filenames, given we have that anyway.
This commit is contained in:
Lennart Poettering 2021-10-12 15:50:39 +02:00
parent c844f0a924
commit 1f6639eac7
1 changed files with 3 additions and 0 deletions
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src/basic/fd-util.c
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@ -353,6 +353,9 @@ int close_all_fds(const int except[], size_t n_except) {
FOREACH_DIRENT(de, d, return -errno) {
int fd = -1, q;
if (!IN_SET(de->d_type, DT_LNK, DT_UNKNOWN))
continue;
if (safe_atoi(de->d_name, &fd) < 0)
/* Let's better ignore this, just in case */
continue;