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author | Lennart Poettering <lennart@poettering.net> | 2022-11-04 18:20:19 +0100 |
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committer | Lennart Poettering <lennart@poettering.net> | 2022-11-04 18:46:42 +0100 |
commit | ed18c22c989495aab36512f03449222cfcf79aa7 (patch) | |
tree | 0eab5465c3269db20effa70420f40dee43b3f7e8 /src/basic/fd-util.c | |
parent | d11c14a9817f6561a30d96d8faea126a4c811af8 (diff) | |
download | systemd-ed18c22c989495aab36512f03449222cfcf79aa7.tar.gz |
fd-util: add new fd_cloexec_many() helper
Diffstat (limited to 'src/basic/fd-util.c')
-rw-r--r-- | src/basic/fd-util.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/basic/fd-util.c b/src/basic/fd-util.c index 6ed04449bf..66bb7569bb 100644 --- a/src/basic/fd-util.c +++ b/src/basic/fd-util.c @@ -174,6 +174,25 @@ int fd_cloexec(int fd, bool cloexec) { return RET_NERRNO(fcntl(fd, F_SETFD, nflags)); } +int fd_cloexec_many(const int fds[], size_t n_fds, bool cloexec) { + int ret = 0, r; + + assert(n_fds == 0 || fds); + + for (size_t i = 0; i < n_fds; i++) { + if (fds[i] < 0) /* Skip gracefully over already invalidated fds */ + continue; + + r = fd_cloexec(fds[i], cloexec); + if (r < 0 && ret >= 0) /* Continue going, but return first error */ + ret = r; + else + ret = 1; /* report if we did anything */ + } + + return ret; +} + _pure_ static bool fd_in_set(int fd, const int fdset[], size_t n_fdset) { assert(n_fdset == 0 || fdset); |