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rktio: correct problem with change to growable poll set

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This commit is contained in:
Matthew Flatt 2019-04-29 16:01:13 -06:00
parent c4f44eaedd
commit b3b240ebc7
2 changed files with 12 additions and 5 deletions
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2
racket/src/rktio/Makefile.in
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@ -21,7 +21,7 @@ libdir = @libdir@
RACKET = racket
RKTIO_HEADERS = $(srcdir)/rktio.h $(srcdir)/rktio_private.h rktio_config.h
RKTIO_HEADERS = $(srcdir)/rktio.h $(srcdir)/rktio_private.h $(srcdir)/rktio_platform.h rktio_config.h
OBJS = rktio_fs.@LTO@ \
rktio_fd.@LTO@ \

15
racket/src/rktio/rktio_poll_set.c
View File

@ -404,7 +404,7 @@ static void maybe_grow(rktio_poll_set_t *fd, int n)
memcpy((char *)p2 + 2*(new_size + extra), (char *)p + 2*(old_size + extra), old_size);
/* copy over size and nosleep */
memcpy((char *)p2 + new_size, (char *)p + old_size, sizeof(intptr_t) + sizeof(int));
memcpy((char *)p2 + new_size, (char *)p + old_size, extra);
((void **)fd)[GROWABLE_CONTENT_INDEX] = p2;
((intptr_t *)fd)[GROWABLE_SIZE_INDEX] = new_size;
@ -971,14 +971,19 @@ void rktio_merge_fd_sets(rktio_poll_set_t *fds, rktio_poll_set_t *src_fds)
src_fds_j = rktio_get_fdset(src_fds, j);
# ifdef RKTIO_GROWABLE_FDSET
src_fds_j = growable_resolve(src_fds_j, &s_dynamic_fd_size);
maybe_grow(fds, FDSET_LIMIT(sp, s_dynamic_fd_size));
# endif
sp = (unsigned char *)src_fds_j;
fds_j = rktio_get_fdset(fds_j, j);
# ifdef RKTIO_GROWABLE_FDSET
maybe_grow(fds, FDSET_LIMIT(sp, s_dynamic_fd_size));
# endif
fds_j = rktio_get_fdset(fds, j);
# ifdef RKTIO_GROWABLE_FDSET
fds_j = growable_resolve(fds_j, &dynamic_fd_size);
# endif
p = (unsigned char *)src_fds_j;
p = (unsigned char *)fds_j;
# ifdef STORED_ACTUAL_FDSET_LIMIT
i = FDSET_LIMIT(p, dynamic_fd_size);
if (FDSET_LIMIT(sp, s_dynamic_fd_size) > i) {
@ -992,10 +997,12 @@ void rktio_merge_fd_sets(rktio_poll_set_t *fds, rktio_poll_set_t *src_fds)
# else
i = sizeof(fd_set);
# endif
for (; i--; p++, sp++) {
*p |= *sp;
}
}
if (fdset_has_nosleep(src_fds))
rktio_poll_set_add_nosleep(NULL, fds);
}