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initialize stack variable to make Valgrind happier

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Although failing to initialize probably isn't a bug, fulling
initializing a buffer passed to epoll_ctl() seems like a good
idea.
This commit is contained in:
Matthew Flatt 2015-03-13 10:14:06 -06:00
parent 2e813c2aee
commit 4af6770ed4
1 changed files with 3 additions and 0 deletions
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3
racket/src/racket/src/thread.c
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@ -3881,6 +3881,7 @@ Scheme_Object *scheme_fd_to_semaphore(intptr_t fd, int mode, int is_socket)
{
GC_CAN_IGNORE struct epoll_event ev;
int already = !SCHEME_FALSEP(SCHEME_VEC_ELS(v)[1]), kr;
memset(&ev, 0, sizeof(ev));
ev.data.fd = fd;
ev.events = EPOLLIN | (already ? EPOLLOUT : 0);
kr = epoll_ctl(scheme_semaphore_fd_kqueue,
@ -3917,6 +3918,7 @@ Scheme_Object *scheme_fd_to_semaphore(intptr_t fd, int mode, int is_socket)
{
GC_CAN_IGNORE struct epoll_event ev;
int already = !SCHEME_FALSEP(SCHEME_VEC_ELS(v)[0]), kr;
memset(&ev, 0, sizeof(ev));
ev.data.fd = fd;
ev.events = EPOLLOUT | (already ? EPOLLIN : 0);
kr = epoll_ctl(scheme_semaphore_fd_kqueue,
@ -3989,6 +3991,7 @@ static int check_fd_semaphores()
Scheme_Object *v, *s, *key;
int kr, hit = 0;
GC_CAN_IGNORE struct epoll_event ev;
memset(&ev, 0, sizeof(ev));
if (!scheme_semaphore_fd_mapping || (scheme_semaphore_fd_kqueue < 0))
return 0;