From f6d5fcfa0fa2a62f9583fa44dbee035c0adfcc88 Mon Sep 17 00:00:00 2001 From: Laurent Bercot Date: Fri, 22 Apr 2016 11:54:31 +0000 Subject: Fix closecb support wherever a unixmessage may get dropped; add closecb support to unixconnection --- src/libunixonacid/unixconnection_init.c | 3 +-- src/libunixonacid/unixconnection_init_withclosecb.c | 10 ++++++++++ src/libunixonacid/unixmessage_put.c | 7 +++---- src/libunixonacid/unixmessage_sender_flush.c | 2 +- src/libunixonacid/unixmessage_sender_free.c | 4 ++-- src/libunixonacid/unixmessage_unput.c | 13 +++++++------ 6 files changed, 24 insertions(+), 15 deletions(-) create mode 100644 src/libunixonacid/unixconnection_init_withclosecb.c (limited to 'src/libunixonacid') diff --git a/src/libunixonacid/unixconnection_init.c b/src/libunixonacid/unixconnection_init.c index 7831d6a..52ecd44 100644 --- a/src/libunixonacid/unixconnection_init.c +++ b/src/libunixonacid/unixconnection_init.c @@ -5,6 +5,5 @@ void unixconnection_init (unixconnection_t *io, int fdin, int fdout) { - unixmessage_receiver_init(&io->in, fdin, io->mainbuf, UNIXMESSAGE_BUFSIZE, io->auxbuf, UNIXMESSAGE_AUXBUFSIZE) ; - unixmessage_sender_init(&io->out, fdout) ; + unixconnection_init_withclosecb(io, fdin, fdout, &unixmessage_sender_closecb, 0) ; } diff --git a/src/libunixonacid/unixconnection_init_withclosecb.c b/src/libunixonacid/unixconnection_init_withclosecb.c new file mode 100644 index 0000000..b89b3ee --- /dev/null +++ b/src/libunixonacid/unixconnection_init_withclosecb.c @@ -0,0 +1,10 @@ + /* ISC license. */ + +#include +#include + +void unixconnection_init_withclosecb (unixconnection_t *io, int fdin, int fdout, unixmessage_sender_closecb_func_t_ref f, void *p) +{ + unixmessage_receiver_init(&io->in, fdin, io->mainbuf, UNIXMESSAGE_BUFSIZE, io->auxbuf, UNIXMESSAGE_AUXBUFSIZE) ; + unixmessage_sender_init_withclosecb(&io->out, fdout, f, p) ; +} diff --git a/src/libunixonacid/unixmessage_put.c b/src/libunixonacid/unixmessage_put.c index 015264a..43091c9 100644 --- a/src/libunixonacid/unixmessage_put.c +++ b/src/libunixonacid/unixmessage_put.c @@ -14,7 +14,7 @@ #include #include -static inline int copyfds (char *s, int const *fds, unsigned int n, unsigned char const *bits) +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) { register unsigned int i = 0 ; for (; i < n ; i++) @@ -33,13 +33,12 @@ static inline int copyfds (char *s, int const *fds, unsigned int n, unsigned cha { s -= sizeof(int) ; byte_copy((char *)fd, sizeof(int), s) ; - if (fd >= 0) fd_close(fd) ; + if (fd >= 0) (*closecb)(fd, closecbdata) ; } errno = e ; return 0 ; } } -#else #endif byte_copy(s, sizeof(int), (char const *)&fd) ; s += sizeof(int) ; @@ -56,7 +55,7 @@ static int reserve_and_copy (unixmessage_sender_t *b, unsigned int len, int cons || !genalloc_readyplus(int, &b->fds, nfds) || !stralloc_readyplus(&b->data, len)) return 0 ; - if (!copyfds(b->fds.s + b->fds.len, fds, nfds, bits)) return 0 ; + if (!copyfds(b->fds.s + b->fds.len, fds, nfds, bits, b->closecb, b->closecbdata)) return 0 ; genalloc_setlen(int, &b->fds, cur.right + nfds) ; byte_copy(b->offsets.s + b->offsets.len, sizeof(diuint), (char const *)&cur) ; b->offsets.len += sizeof(diuint) ; diff --git a/src/libunixonacid/unixmessage_sender_flush.c b/src/libunixonacid/unixmessage_sender_flush.c index 6559083..57c5d6e 100644 --- a/src/libunixonacid/unixmessage_sender_flush.c +++ b/src/libunixonacid/unixmessage_sender_flush.c @@ -97,7 +97,7 @@ int unixmessage_sender_flush (unixmessage_sender_t *b) while (r < 0 && errno == EINTR) ; if (r <= 0) return 0 ; #ifndef SKALIBS_HASANCILAUTOCLOSE - if (nfds && b->closecb) + if (nfds) { register unsigned int i = 0 ; for (; i < nfds ; i++) diff --git a/src/libunixonacid/unixmessage_sender_free.c b/src/libunixonacid/unixmessage_sender_free.c index 6ef0f42..a976827 100644 --- a/src/libunixonacid/unixmessage_sender_free.c +++ b/src/libunixonacid/unixmessage_sender_free.c @@ -16,9 +16,9 @@ void unixmessage_sender_free (unixmessage_sender_t *b) for (; i < n ; i++) { register int fd = genalloc_s(int, &b->fds)[i] ; - if (fd < 0) fd_close(-(fd+1)) ; + if (fd < 0) (*b->closecb)(-(fd+1), b->closecbdata) ; #ifdef SKALIBS_HASANCILAUTOCLOSE - else fd_close(fd) ; + else (*b->closecb)(fd, b->closecbdata) ; #endif } } diff --git a/src/libunixonacid/unixmessage_unput.c b/src/libunixonacid/unixmessage_unput.c index 63e94b8..e869110 100644 --- a/src/libunixonacid/unixmessage_unput.c +++ b/src/libunixonacid/unixmessage_unput.c @@ -9,14 +9,15 @@ int unixmessage_unput_and_maybe_drop (unixmessage_sender_t *b, int drop) { diuint *start ; unsigned int n = genalloc_len(diuint, &b->offsets) ; + register int *fds ; + register unsigned int i ; if (!n) return 0 ; start = genalloc_s(diuint, &b->offsets) + n - 1 ; - if (drop) - { - register int *fds = genalloc_s(int, &b->fds) + start->right ; - register unsigned int i = genalloc_len(int, &b->fds) - start->right ; - while (i--) fd_close(fds[i] < 0 ? -(fds[i]+1) : fds[i]) ; - } + fds = genalloc_s(int, &b->fds) + start->right ; + i = genalloc_len(int, &b->fds) - start->right ; + while (i--) + if (fds[i] < 0) (*b->closecb)(-(fds[i]+1), b->closecbdata) ; + else if (drop) fd_close(fds[i]) ; b->data.len = start->left ; genalloc_setlen(int, &b->fds, start->right) ; genalloc_setlen(diuint, &b->offsets, n-1) ; -- cgit v1.2.3