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socket-util: add send/receive helpers for FD array

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This commit is contained in:
Luca Boccassi
2023-07-29 11:25:05 +01:00
parent b4e8c6d972
commit 598d2428e1
3 changed files with 213 additions and 0 deletions
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src/basic/socket-util.h
+24
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@@ -153,6 +153,28 @@ int getpeercred(int fd, struct ucred *ucred);
int getpeersec(int fd, char **ret);
int getpeergroups(int fd, gid_t **ret);
ssize_t send_many_fds_iov_sa(
int transport_fd,
int *fds_array, size_t n_fds_array,
const struct iovec *iov, size_t iovlen,
const struct sockaddr *sa, socklen_t len,
int flags);
static inline ssize_t send_many_fds_iov(
int transport_fd,
int *fds_array, size_t n_fds_array,
const struct iovec *iov, size_t iovlen,
int flags) {
return send_many_fds_iov_sa(transport_fd, fds_array, n_fds_array, iov, iovlen, NULL, 0, flags);
}
static inline int send_many_fds(
int transport_fd,
int *fds_array,
size_t n_fds_array,
int flags) {
return send_many_fds_iov_sa(transport_fd, fds_array, n_fds_array, NULL, 0, NULL, 0, flags);
}
ssize_t send_one_fd_iov_sa(
int transport_fd,
int fd,
@@ -167,6 +189,8 @@ int send_one_fd_sa(int transport_fd,
#define send_one_fd(transport_fd, fd, flags) send_one_fd_iov_sa(transport_fd, fd, NULL, 0, NULL, 0, flags)
ssize_t receive_one_fd_iov(int transport_fd, struct iovec *iov, size_t iovlen, int flags, int *ret_fd);
int receive_one_fd(int transport_fd, int flags);
ssize_t receive_many_fds_iov(int transport_fd, struct iovec *iov, size_t iovlen, int **ret_fds_array, size_t *ret_n_fds_array, int flags);
int receive_many_fds(int transport_fd, int **ret_fds_array, size_t *ret_n_fds_array, int flags);
ssize_t next_datagram_size_fd(int fd);