diff options
author | Laurent Bercot <ska-skaware@skarnet.org> | 2020-10-26 14:21:53 +0000 |
---|---|---|
committer | Laurent Bercot <ska-skaware@skarnet.org> | 2020-10-26 14:21:53 +0000 |
commit | 7530e8cdd506ecec1f4ad3bbd55f94de5a6d63ac (patch) | |
tree | 20917d9312d38cf57e04f17cec119d89873b57b3 | |
parent | ad90bc1107ef9a76f4ca530cc41e86d4f352e3d9 (diff) | |
download | skalibs-7530e8cdd506ecec1f4ad3bbd55f94de5a6d63ac.tar.gz skalibs-7530e8cdd506ecec1f4ad3bbd55f94de5a6d63ac.tar.xz skalibs-7530e8cdd506ecec1f4ad3bbd55f94de5a6d63ac.zip |
Separate and expose ancil_recv_fd/ancil_send_fd
The goal is to make late channel creation easy, as opposed to textclient which always creates a new channel at start time. This commit also moves posixishard.h inclusions as late as possible.
27 files changed, 162 insertions, 118 deletions
diff --git a/package/deps.mak b/package/deps.mak index f64adc1..e537529 100644 --- a/package/deps.mak +++ b/package/deps.mak @@ -57,7 +57,7 @@ src/include/skalibs/unix-timed.h: src/include/skalibs/bufalloc.h src/include/ska src/include/skalibs/unix-transactional.h: src/include/skalibs/stralloc.h src/include/skalibs/uint64.h src/include/skalibs/unixconnection.h: src/include/skalibs/unixmessage.h src/include/skalibs/unixmessage.h: src/include/skalibs/buffer.h src/include/skalibs/cbuffer.h src/include/skalibs/gccattributes.h src/include/skalibs/genalloc.h src/include/skalibs/stralloc.h src/include/skalibs/tai.h -src/include/skalibs/unixonacid.h: src/include/skalibs/kolbak.h src/include/skalibs/skaclient.h src/include/skalibs/textclient.h src/include/skalibs/textmessage.h src/include/skalibs/unix-timed.h src/include/skalibs/unix-transactional.h src/include/skalibs/unixconnection.h src/include/skalibs/unixmessage.h +src/include/skalibs/unixonacid.h: src/include/skalibs/ancil.h src/include/skalibs/kolbak.h src/include/skalibs/skaclient.h src/include/skalibs/textclient.h src/include/skalibs/textmessage.h src/include/skalibs/unix-timed.h src/include/skalibs/unix-transactional.h src/include/skalibs/unixconnection.h src/include/skalibs/unixmessage.h src/include/skalibs/webipc.h: src/include/skalibs/djbunix.h src/include/skalibs/posixplz.h src/include/skalibs/tai.h src/libdatastruct/avlnode-internal.h: src/include/skalibs/avlnode.h src/libdatastruct/genqdyn-internal.h: src/include/skalibs/genqdyn.h @@ -740,6 +740,8 @@ src/libstddjb/xpathexec_r.o src/libstddjb/xpathexec_r.lo: src/libstddjb/xpathexe src/libstddjb/xpathexec_r_name.o src/libstddjb/xpathexec_r_name.lo: src/libstddjb/xpathexec_r_name.c src/include/skalibs/djbunix.h src/include/skalibs/strerr2.h src/libstddjb/xpathexec_run.o src/libstddjb/xpathexec_run.lo: src/libstddjb/xpathexec_run.c src/include/skalibs/djbunix.h src/include/skalibs/strerr2.h src/libunixonacid/access_at.o src/libunixonacid/access_at.lo: src/libunixonacid/access_at.c src/include/skalibs/djbunix.h src/include/skalibs/nonposix.h src/include/skalibs/sysdeps.h src/include/skalibs/unix-transactional.h +src/libunixonacid/ancil_recv_fd.o src/libunixonacid/ancil_recv_fd.lo: src/libunixonacid/ancil_recv_fd.c src/include/skalibs/allreadwrite.h src/include/skalibs/ancil.h src/include/skalibs/djbunix.h src/include/skalibs/nonposix.h src/include/skalibs/posixishard.h src/include/skalibs/sysdeps.h +src/libunixonacid/ancil_send_fd.o src/libunixonacid/ancil_send_fd.lo: src/libunixonacid/ancil_send_fd.c src/include/skalibs/ancil.h src/include/skalibs/djbunix.h src/include/skalibs/nonposix.h src/include/skalibs/posixishard.h src/libunixonacid/atomic_rm_rf.o src/libunixonacid/atomic_rm_rf.lo: src/libunixonacid/atomic_rm_rf.c src/include/skalibs/skamisc.h src/include/skalibs/unix-transactional.h src/libunixonacid/atomic_rm_rf_tmp.o src/libunixonacid/atomic_rm_rf_tmp.lo: src/libunixonacid/atomic_rm_rf_tmp.c src/include/skalibs/djbunix.h src/include/skalibs/random.h src/include/skalibs/stralloc.h src/include/skalibs/unix-transactional.h src/libunixonacid/atomic_symlink.o src/libunixonacid/atomic_symlink.lo: src/libunixonacid/atomic_symlink.c src/include/skalibs/posixplz.h src/include/skalibs/unix-transactional.h @@ -804,8 +806,8 @@ src/libunixonacid/textclient_commandv.o src/libunixonacid/textclient_commandv.lo src/libunixonacid/textclient_end.o src/libunixonacid/textclient_end.lo: src/libunixonacid/textclient_end.c src/include/skalibs/djbunix.h src/include/skalibs/textclient.h src/include/skalibs/textmessage.h src/libunixonacid/textclient_server_init.o src/libunixonacid/textclient_server_init.lo: src/libunixonacid/textclient_server_init.c src/include/skalibs/djbunix.h src/include/skalibs/textclient.h src/libunixonacid/textclient_server_init_frompipe.o src/libunixonacid/textclient_server_init_frompipe.lo: src/libunixonacid/textclient_server_init_frompipe.c src/include/skalibs/allreadwrite.h src/include/skalibs/djbunix.h src/include/skalibs/posixishard.h src/include/skalibs/textclient.h src/include/skalibs/textmessage.h src/include/skalibs/types.h -src/libunixonacid/textclient_server_init_fromsocket.o src/libunixonacid/textclient_server_init_fromsocket.lo: src/libunixonacid/textclient_server_init_fromsocket.c src/include/skalibs/allreadwrite.h src/include/skalibs/djbunix.h src/include/skalibs/nonposix.h src/include/skalibs/posixishard.h src/include/skalibs/textclient.h src/include/skalibs/textmessage.h src/include/skalibs/types.h src/include/skalibs/unix-timed.h -src/libunixonacid/textclient_start.o src/libunixonacid/textclient_start.lo: src/libunixonacid/textclient_start.c src/include/skalibs/allreadwrite.h src/include/skalibs/djbunix.h src/include/skalibs/nonposix.h src/include/skalibs/posixishard.h src/include/skalibs/sysdeps.h src/include/skalibs/textclient.h src/include/skalibs/textmessage.h src/include/skalibs/unix-timed.h src/include/skalibs/webipc.h +src/libunixonacid/textclient_server_init_fromsocket.o src/libunixonacid/textclient_server_init_fromsocket.lo: src/libunixonacid/textclient_server_init_fromsocket.c src/include/skalibs/ancil.h src/include/skalibs/djbunix.h src/include/skalibs/posixishard.h src/include/skalibs/textclient.h src/include/skalibs/textmessage.h src/include/skalibs/unix-timed.h +src/libunixonacid/textclient_start.o src/libunixonacid/textclient_start.lo: src/libunixonacid/textclient_start.c src/include/skalibs/allreadwrite.h src/include/skalibs/ancil.h src/include/skalibs/djbunix.h src/include/skalibs/error.h src/include/skalibs/posixishard.h src/include/skalibs/textclient.h src/include/skalibs/textmessage.h src/include/skalibs/unix-timed.h src/include/skalibs/webipc.h src/libunixonacid/textclient_startf.o src/libunixonacid/textclient_startf.lo: src/libunixonacid/textclient_startf.c src/include/skalibs/allreadwrite.h src/include/skalibs/djbunix.h src/include/skalibs/posixishard.h src/include/skalibs/textclient.h src/include/skalibs/textmessage.h src/libunixonacid/textclient_zero.o src/libunixonacid/textclient_zero.lo: src/libunixonacid/textclient_zero.c src/include/skalibs/textclient.h src/libunixonacid/textmessage_handle.o src/libunixonacid/textmessage_handle.lo: src/libunixonacid/textmessage_handle.c src/include/skalibs/textmessage.h diff --git a/src/include/skalibs/ancil.h b/src/include/skalibs/ancil.h new file mode 100644 index 0000000..92270eb --- /dev/null +++ b/src/include/skalibs/ancil.h @@ -0,0 +1,9 @@ +/* ISC license. */ + +#ifndef SKALIBS_ANCIL_H +#define SKALIBS_ANCIL_H + +extern int ancil_recv_fd (int, char) ; +extern int ancil_send_fd (int, int, char) ; + +#endif diff --git a/src/include/skalibs/unixonacid.h b/src/include/skalibs/unixonacid.h index 7132f1c..76aca9d 100644 --- a/src/include/skalibs/unixonacid.h +++ b/src/include/skalibs/unixonacid.h @@ -5,6 +5,7 @@ #include <skalibs/unix-transactional.h> #include <skalibs/unix-timed.h> +#include <skalibs/ancil.h> #include <skalibs/textmessage.h> #include <skalibs/textclient.h> #include <skalibs/unixmessage.h> diff --git a/src/libposixplz/setgroups.c b/src/libposixplz/setgroups.c index fff507f..0c32222 100644 --- a/src/libposixplz/setgroups.c +++ b/src/libposixplz/setgroups.c @@ -5,11 +5,13 @@ #ifdef SKALIBS_HASSETGROUPS #include <skalibs/nonposix.h> -#include <skalibs/posixishard.h> + #include <string.h> #include <unistd.h> #include <grp.h> + #include <skalibs/setgroups.h> +#include <skalibs/posixishard.h> int setgroups_and_gid (gid_t g, size_t n, gid_t const *tab) { diff --git a/src/libstddjb/cdb_read.c b/src/libstddjb/cdb_read.c index 85e8dea..1d2f491 100644 --- a/src/libstddjb/cdb_read.c +++ b/src/libstddjb/cdb_read.c @@ -4,9 +4,9 @@ #include <string.h> #include <errno.h> -#include <skalibs/posixishard.h> #include <skalibs/allreadwrite.h> #include <skalibs/cdb.h> +#include <skalibs/posixishard.h> int cdb_read (struct cdb *c, char *buf, unsigned int len, uint32_t pos) { diff --git a/src/libstddjb/ipc_bind.c b/src/libstddjb/ipc_bind.c index b3388d7..d40a7ef 100644 --- a/src/libstddjb/ipc_bind.c +++ b/src/libstddjb/ipc_bind.c @@ -7,8 +7,8 @@ #include <string.h> #include <errno.h> -#include <skalibs/posixishard.h> #include <skalibs/webipc.h> +#include <skalibs/posixishard.h> int ipc_bind (int s, char const *p) { diff --git a/src/libstddjb/ipc_connect.c b/src/libstddjb/ipc_connect.c index bb0422e..c00f683 100644 --- a/src/libstddjb/ipc_connect.c +++ b/src/libstddjb/ipc_connect.c @@ -7,8 +7,8 @@ #include <sys/un.h> #include <string.h> -#include <skalibs/posixishard.h> #include <skalibs/webipc.h> +#include <skalibs/posixishard.h> int ipc_connect (int s, char const *p) { diff --git a/src/libstddjb/ipc_recv.c b/src/libstddjb/ipc_recv.c index e15e3c5..4c235bb 100644 --- a/src/libstddjb/ipc_recv.c +++ b/src/libstddjb/ipc_recv.c @@ -7,8 +7,8 @@ #include <sys/un.h> #include <string.h> -#include <skalibs/posixishard.h> #include <skalibs/webipc.h> +#include <skalibs/posixishard.h> ssize_t ipc_recv (int fd, char *s, size_t len, char *path) { diff --git a/src/libstddjb/ipc_send.c b/src/libstddjb/ipc_send.c index 65826a6..2615a16 100644 --- a/src/libstddjb/ipc_send.c +++ b/src/libstddjb/ipc_send.c @@ -7,8 +7,8 @@ #include <sys/un.h> #include <string.h> -#include <skalibs/posixishard.h> #include <skalibs/webipc.h> +#include <skalibs/posixishard.h> ssize_t ipc_send (int fd, char const *s, size_t len, char const *path) { diff --git a/src/libstddjb/netstring_get.c b/src/libstddjb/netstring_get.c index 0dfa907..32a6c49 100644 --- a/src/libstddjb/netstring_get.c +++ b/src/libstddjb/netstring_get.c @@ -2,13 +2,13 @@ #include <errno.h> -#include <skalibs/posixishard.h> #include <skalibs/types.h> #include <skalibs/allreadwrite.h> #include <skalibs/bytestr.h> #include <skalibs/buffer.h> #include <skalibs/stralloc.h> #include <skalibs/netstring.h> +#include <skalibs/posixishard.h> int netstring_okeof (buffer *b, size_t w) { diff --git a/src/libstddjb/string_unquote_withdelim.c b/src/libstddjb/string_unquote_withdelim.c index 702d3a5..43da0db 100644 --- a/src/libstddjb/string_unquote_withdelim.c +++ b/src/libstddjb/string_unquote_withdelim.c @@ -2,10 +2,10 @@ #include <errno.h> -#include <skalibs/posixishard.h> #include <skalibs/bytestr.h> #include <skalibs/fmtscan.h> #include <skalibs/skamisc.h> +#include <skalibs/posixishard.h> #define PUSH0 0x40 #define PUSH 0x20 diff --git a/src/libunixonacid/ancil_recv_fd.c b/src/libunixonacid/ancil_recv_fd.c new file mode 100644 index 0000000..70f2c4f --- /dev/null +++ b/src/libunixonacid/ancil_recv_fd.c @@ -0,0 +1,69 @@ +/* ISC license. */ + +#include <skalibs/sysdeps.h> +#include <skalibs/nonposix.h> + +#include <errno.h> +#include <sys/uio.h> +#include <sys/socket.h> + +#include <skalibs/allreadwrite.h> +#include <skalibs/djbunix.h> +#include <skalibs/ancil.h> +#include <skalibs/posixishard.h> + +union aligner_u +{ + struct cmsghdr cmsghdr ; + int i ; +} ; + +int ancil_recv_fd (int sock, char expected_ch) +{ + static int const awesomeflags = +#ifdef SKALIBS_HASMSGDONTWAIT + MSG_DONTWAIT +#else + 0 +#endif + | +#ifdef SKALIBS_HASCMSGCLOEXEC + MSG_CMSG_CLOEXEC +#else + 0 +#endif + ; + struct cmsghdr *c ; + ssize_t r ; + char ch ; + struct iovec v = { .iov_base = &ch, .iov_len = 1 } ; + union aligner_u ancilbuf[1 + (CMSG_SPACE(sizeof(int)) - 1) / sizeof(union aligner_u)] ; + struct msghdr msghdr = + { + .msg_name = 0, + .msg_namelen = 0, + .msg_iov = &v, + .msg_iovlen = 1, + .msg_flags = 0, + .msg_control = ancilbuf, + .msg_controllen = CMSG_SPACE(sizeof(int)) + } ; + do r = recvmsg(sock, &msghdr, awesomeflags) ; + while (r < 0 && errno == EINTR) ; + if (r < 0) return r ; + if (!r) return (errno = EPIPE, -1) ; + c = CMSG_FIRSTHDR(&msghdr) ; + if (ch != expected_ch + || !c + || c->cmsg_level != SOL_SOCKET + || c->cmsg_type != SCM_RIGHTS + || (size_t)(c->cmsg_len - (CMSG_DATA(c) - (unsigned char *)c)) != sizeof(int)) return (errno = EPROTO, -1) ; +#ifndef SKALIBS_HASCMSGCLOEXEC + if (coe(*(int *)CMSG_DATA(c)) < 0) + { + fd_close(*(int *)CMSG_DATA(c)) ; + return -1 ; + } +#endif + return *(int *)CMSG_DATA(c) ; +} diff --git a/src/libunixonacid/ancil_send_fd.c b/src/libunixonacid/ancil_send_fd.c new file mode 100644 index 0000000..98366c7 --- /dev/null +++ b/src/libunixonacid/ancil_send_fd.c @@ -0,0 +1,45 @@ +/* ISC license. */ + +#include <skalibs/nonposix.h> + +#include <errno.h> +#include <string.h> +#include <sys/uio.h> +#include <sys/socket.h> + +#include <skalibs/djbunix.h> +#include <skalibs/ancil.h> +#include <skalibs/posixishard.h> + +union aligner_u +{ + struct cmsghdr cmsghdr ; + int i ; +} ; + +int ancil_send_fd (int sock, int fd, char ch) +{ + ssize_t r ; + struct iovec v = { .iov_base = &ch, .iov_len = 1 } ; + union aligner_u ancilbuf[1 + (CMSG_SPACE(sizeof(int)) - 1) / sizeof(union aligner_u)] ; + struct msghdr hdr = + { + .msg_name = 0, + .msg_namelen = 0, + .msg_iov = &v, + .msg_iovlen = 1, + .msg_control = ancilbuf, + .msg_controllen = CMSG_SPACE(sizeof(int)) + } ; + struct cmsghdr *c = CMSG_FIRSTHDR(&hdr) ; + memset(hdr.msg_control, 0, hdr.msg_controllen) ; + c->cmsg_level = SOL_SOCKET ; + c->cmsg_type = SCM_RIGHTS ; + c->cmsg_len = CMSG_LEN(sizeof(int)) ; + *(int *)CMSG_DATA(c) = fd ; + do r = sendmsg(sock, &hdr, MSG_NOSIGNAL) ; + while (r < 0 && errno == EINTR) ; + if (r <= 0) return 0 ; + fd_close(fd) ; + return 1 ; +} diff --git a/src/libunixonacid/ipc_timed_send.c b/src/libunixonacid/ipc_timed_send.c index e1e75a4..2f6ce88 100644 --- a/src/libunixonacid/ipc_timed_send.c +++ b/src/libunixonacid/ipc_timed_send.c @@ -5,10 +5,10 @@ #include <sys/socket.h> #include <errno.h> -#include <skalibs/posixishard.h> #include <skalibs/error.h> #include <skalibs/iopause.h> #include <skalibs/unix-timed.h> +#include <skalibs/posixishard.h> int ipc_timed_send (int fd, char const *s, size_t len, tain_t const *deadline, tain_t *stamp) { diff --git a/src/libunixonacid/ipc_timed_sendv.c b/src/libunixonacid/ipc_timed_sendv.c index 0fe5b1e..1bdae5b 100644 --- a/src/libunixonacid/ipc_timed_sendv.c +++ b/src/libunixonacid/ipc_timed_sendv.c @@ -5,11 +5,11 @@ #include <sys/socket.h> #include <errno.h> -#include <skalibs/posixishard.h> #include <skalibs/error.h> #include <skalibs/iopause.h> #include <skalibs/siovec.h> #include <skalibs/unix-timed.h> +#include <skalibs/posixishard.h> int ipc_timed_sendv (int fd, struct iovec const *v, unsigned int n, tain_t const *deadline, tain_t *stamp) { diff --git a/src/libunixonacid/skaclient_default_cb.c b/src/libunixonacid/skaclient_default_cb.c index 5bf0268..447d796 100644 --- a/src/libunixonacid/skaclient_default_cb.c +++ b/src/libunixonacid/skaclient_default_cb.c @@ -2,9 +2,9 @@ #include <errno.h> -#include <skalibs/posixishard.h> #include <skalibs/skaclient.h> #include <skalibs/unixmessage.h> +#include <skalibs/posixishard.h> int skaclient_default_cb (unixmessage_t const *m, void *p) { diff --git a/src/libunixonacid/skaclient_server_ack.c b/src/libunixonacid/skaclient_server_ack.c index b55eb07..9bad7cc 100644 --- a/src/libunixonacid/skaclient_server_ack.c +++ b/src/libunixonacid/skaclient_server_ack.c @@ -3,11 +3,11 @@ #include <errno.h> #include <string.h> -#include <skalibs/posixishard.h> #include <skalibs/djbunix.h> #include <skalibs/skaclient.h> #include <skalibs/unixmessage.h> #include <skalibs/webipc.h> +#include <skalibs/posixishard.h> int skaclient_server_ack (unixmessage_t const *clientmsg, unixmessage_sender_t *out, unixmessage_sender_t *asyncout, char const *before, size_t beforelen, char const *after, size_t afterlen) { diff --git a/src/libunixonacid/skaclient_start_cb.c b/src/libunixonacid/skaclient_start_cb.c index 0c4ef49..f385b6b 100644 --- a/src/libunixonacid/skaclient_start_cb.c +++ b/src/libunixonacid/skaclient_start_cb.c @@ -3,9 +3,9 @@ #include <errno.h> #include <string.h> -#include <skalibs/posixishard.h> #include <skalibs/unixmessage.h> #include <skalibs/skaclient.h> +#include <skalibs/posixishard.h> #include "skaclient-internal.h" int skaclient_start_cb (unixmessage_t const *m, skaclient_cbdata_t *blah) diff --git a/src/libunixonacid/textclient_command.c b/src/libunixonacid/textclient_command.c index 56c7122..a0015ac 100644 --- a/src/libunixonacid/textclient_command.c +++ b/src/libunixonacid/textclient_command.c @@ -3,8 +3,8 @@ #include <sys/uio.h> #include <errno.h> -#include <skalibs/posixishard.h> #include <skalibs/textclient.h> +#include <skalibs/posixishard.h> int textclient_command (textclient_t *a, char const *s, size_t len, tain_t const *deadline, tain_t *stamp) { diff --git a/src/libunixonacid/textclient_commandv.c b/src/libunixonacid/textclient_commandv.c index ec61498..267e584 100644 --- a/src/libunixonacid/textclient_commandv.c +++ b/src/libunixonacid/textclient_commandv.c @@ -3,8 +3,8 @@ #include <sys/uio.h> #include <errno.h> -#include <skalibs/posixishard.h> #include <skalibs/textclient.h> +#include <skalibs/posixishard.h> int textclient_commandv (textclient_t *a, struct iovec const *v, unsigned int n, tain_t const *deadline, tain_t *stamp) { diff --git a/src/libunixonacid/textclient_server_init_frompipe.c b/src/libunixonacid/textclient_server_init_frompipe.c index e606eeb..9cd549e 100644 --- a/src/libunixonacid/textclient_server_init_frompipe.c +++ b/src/libunixonacid/textclient_server_init_frompipe.c @@ -5,12 +5,12 @@ #include <fcntl.h> #include <errno.h> -#include <skalibs/posixishard.h> #include <skalibs/types.h> #include <skalibs/allreadwrite.h> #include <skalibs/djbunix.h> #include <skalibs/textmessage.h> #include <skalibs/textclient.h> +#include <skalibs/posixishard.h> int textclient_server_init_frompipe (textmessage_receiver_t *in, textmessage_sender_t *syncout, textmessage_sender_t *asyncout, char const *before, size_t beforelen, char const *after, size_t afterlen, tain_t const *deadline, tain_t *stamp) { diff --git a/src/libunixonacid/textclient_server_init_fromsocket.c b/src/libunixonacid/textclient_server_init_fromsocket.c index b7f4e84..4964524 100644 --- a/src/libunixonacid/textclient_server_init_fromsocket.c +++ b/src/libunixonacid/textclient_server_init_fromsocket.c @@ -1,25 +1,15 @@ /* ISC license. */ -#include <skalibs/nonposix.h> - -#include <sys/uio.h> #include <errno.h> #include <string.h> -#include <sys/socket.h> +#include <sys/uio.h> -#include <skalibs/posixishard.h> -#include <skalibs/types.h> -#include <skalibs/allreadwrite.h> #include <skalibs/djbunix.h> #include <skalibs/unix-timed.h> +#include <skalibs/ancil.h> #include <skalibs/textmessage.h> #include <skalibs/textclient.h> - -union aligner_u -{ - struct cmsghdr cmsghdr ; - int i ; -} ; +#include <skalibs/posixishard.h> static int getfd (void *p) { @@ -35,30 +25,7 @@ static int one (void *p) static int sendit (void *p) { int *fd = p ; - union aligner_u ancilbuf[1 + (CMSG_SPACE(sizeof(int)) - 1) / sizeof(union aligner_u)] ; - ssize_t r ; - char ch = '|' ; - struct iovec v = { .iov_base = &ch, .iov_len = 1 } ; - struct msghdr hdr = - { - .msg_name = 0, - .msg_namelen = 0, - .msg_iov = &v, - .msg_iovlen = 1, - .msg_control = ancilbuf, - .msg_controllen = CMSG_SPACE(sizeof(int)) - } ; - struct cmsghdr *c = CMSG_FIRSTHDR(&hdr) ; - memset(hdr.msg_control, 0, hdr.msg_controllen) ; - c->cmsg_level = SOL_SOCKET ; - c->cmsg_type = SCM_RIGHTS ; - c->cmsg_len = CMSG_LEN(sizeof(int)) ; - *(int *)CMSG_DATA(c) = fd[1] ; - do r = sendmsg(fd[0], &hdr, MSG_NOSIGNAL) ; - while (r < 0 && errno == EINTR) ; - if (r <= 0) return 0 ; - fd_close(fd[1]) ; - return 1 ; + return ancil_send_fd(fd[0], fd[1], '|') ; } int textclient_server_init_fromsocket (textmessage_receiver_t *in, textmessage_sender_t *syncout, textmessage_sender_t *asyncout, char const *before, size_t beforelen, char const *after, size_t afterlen, tain_t const *deadline, tain_t *stamp) diff --git a/src/libunixonacid/textclient_start.c b/src/libunixonacid/textclient_start.c index 8eb8b13..3074ae3 100644 --- a/src/libunixonacid/textclient_start.c +++ b/src/libunixonacid/textclient_start.c @@ -1,26 +1,18 @@ /* ISC license. */ -#include <skalibs/sysdeps.h> -#include <skalibs/nonposix.h> - #include <sys/uio.h> #include <string.h> #include <errno.h> -#include <sys/socket.h> -#include <skalibs/posixishard.h> #include <skalibs/allreadwrite.h> +#include <skalibs/error.h> #include <skalibs/webipc.h> #include <skalibs/djbunix.h> #include <skalibs/unix-timed.h> +#include <skalibs/ancil.h> #include <skalibs/textmessage.h> #include <skalibs/textclient.h> - -union aligner_u -{ - struct cmsghdr cmsghdr ; - int i ; -} ; +#include <skalibs/posixishard.h> static int getfd (void *p) { @@ -29,56 +21,13 @@ static int getfd (void *p) static ssize_t get (void *p) { - static int const awesomeflags = -#ifdef SKALIBS_HASMSGDONTWAIT - MSG_DONTWAIT -#else - 0 -#endif - | -#ifdef SKALIBS_HASCMSGCLOEXEC - MSG_CMSG_CLOEXEC -#else - 0 -#endif - ; - struct cmsghdr *c ; int *fd = p ; - ssize_t r ; - union aligner_u ancilbuf[1 + (CMSG_SPACE(sizeof(int)) - 1) / sizeof(union aligner_u)] ; - char ch ; - struct iovec v = { .iov_base = &ch, .iov_len = 1 } ; - struct msghdr msghdr = - { - .msg_name = 0, - .msg_namelen = 0, - .msg_iov = &v, - .msg_iovlen = 1, - .msg_flags = 0, - .msg_control = ancilbuf, - .msg_controllen = CMSG_SPACE(sizeof(int)) - } ; - do r = recvmsg(fd[0], &msghdr, awesomeflags) ; - while (r < 0 && errno == EINTR) ; - if (r <= 0) return sanitize_read(r) ; - c = CMSG_FIRSTHDR(&msghdr) ; - if (ch != '|' - || !c - || c->cmsg_level != SOL_SOCKET - || c->cmsg_type != SCM_RIGHTS - || (size_t)(c->cmsg_len - (CMSG_DATA(c) - (unsigned char *)c)) != sizeof(int)) return (errno = EPROTO, -1) ; -#ifndef SKALIBS_HASCMSGCLOEXEC - if (coe(*(int *)CMSG_DATA(c)) < 0) - { - fd_close(*(int *)CMSG_DATA(c)) ; - return -1 ; - } -#endif - fd[1] = *(int *)CMSG_DATA(c) ; + int r = ancil_recv_fd(fd[0], '|') ; + if (r < 0) return error_isagain(errno) ? (errno = 0, 0) : r ; + fd[1] = r ; return 1 ; } - - + int textclient_start (textclient_t *a, char const *path, uint32_t options, char const *before, size_t beforelen, char const *after, size_t afterlen, tain_t const *deadline, tain_t *stamp) { struct iovec v ; diff --git a/src/libunixonacid/textclient_startf.c b/src/libunixonacid/textclient_startf.c index 12c2b20..20ebe33 100644 --- a/src/libunixonacid/textclient_startf.c +++ b/src/libunixonacid/textclient_startf.c @@ -4,11 +4,11 @@ #include <string.h> #include <errno.h> -#include <skalibs/posixishard.h> #include <skalibs/allreadwrite.h> #include <skalibs/djbunix.h> #include <skalibs/textmessage.h> #include <skalibs/textclient.h> +#include <skalibs/posixishard.h> int textclient_startf (textclient_t *a, char const *const *argv, char const *const *envp, uint32_t options, char const *before, size_t beforelen, char const *after, size_t afterlen, tain_t const *deadline, tain_t *stamp) { diff --git a/src/libunixonacid/unixmessage_put.c b/src/libunixonacid/unixmessage_put.c index a2ac302..9ce103d 100644 --- a/src/libunixonacid/unixmessage_put.c +++ b/src/libunixonacid/unixmessage_put.c @@ -3,13 +3,13 @@ #include <string.h> #include <errno.h> -#include <skalibs/posixishard.h> #include <skalibs/bitarray.h> #include <skalibs/disize.h> #include <skalibs/stralloc.h> #include <skalibs/genalloc.h> #include <skalibs/siovec.h> #include <skalibs/unixmessage.h> +#include <skalibs/posixishard.h> static inline int copyfds (char *s, int const *fds, unsigned int n, unsigned char const *bits, unixmessage_sender_closecb_func_t_ref closecb, void *closecbdata) { diff --git a/src/libunixonacid/unixmessage_receive.c b/src/libunixonacid/unixmessage_receive.c index 811baae..b4171f0 100644 --- a/src/libunixonacid/unixmessage_receive.c +++ b/src/libunixonacid/unixmessage_receive.c @@ -7,7 +7,6 @@ #include <sys/socket.h> #include <sys/uio.h> -#include <skalibs/posixishard.h> #include <skalibs/uint16.h> #include <skalibs/uint32.h> #include <skalibs/cbuffer.h> @@ -15,6 +14,7 @@ #include <skalibs/allreadwrite.h> #include <skalibs/stralloc.h> #include <skalibs/unixmessage.h> +#include <skalibs/posixishard.h> union aligner_u { diff --git a/src/libunixonacid/unixmessage_sender_flush.c b/src/libunixonacid/unixmessage_sender_flush.c index 3f096f0..96f9112 100644 --- a/src/libunixonacid/unixmessage_sender_flush.c +++ b/src/libunixonacid/unixmessage_sender_flush.c @@ -9,7 +9,6 @@ #include <unistd.h> #include <errno.h> -#include <skalibs/posixishard.h> #include <skalibs/uint16.h> #include <skalibs/uint32.h> #include <skalibs/disize.h> @@ -17,6 +16,7 @@ #include <skalibs/genalloc.h> #include <skalibs/djbunix.h> #include <skalibs/unixmessage.h> +#include <skalibs/posixishard.h> union aligner_u { |