We want to have no fd events registered when we are idle. This
implies that we must be able to deregister our interest in the sigchld
self-pipe fd, not just modify to request no events.
Signed-off-by: Ian Jackson <ian.jack...@eu.citrix.com>
Acked-by: Ian Campbell <ian.campb...@citrix.com>
Tested-by: Ian Campbell <ian.campb...@citrix.com>
Release-Acked-by: Konrad Rzeszutek Wilk <konrad.w...@oracle.com>
---
tools/libxl/libxl_fork.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)
diff --git a/tools/libxl/libxl_fork.c b/tools/libxl/libxl_fork.c
index fa15095..144208a 100644
--- a/tools/libxl/libxl_fork.c
+++ b/tools/libxl/libxl_fork.c
@@ -372,15 +372,8 @@ static void sigchld_user_remove(libxl_ctx *ctx) /*
idempotent */
void libxl__sigchld_notneeded(libxl__gc *gc) /* non-reentrant, idempotent */
{
- int rc;
-
sigchld_user_remove(CTX);
-
- if (libxl__ev_fd_isregistered(&CTX->sigchld_selfpipe_efd)) {
- rc = libxl__ev_fd_modify(gc, &CTX->sigchld_selfpipe_efd, 0);
- if (rc)
- libxl__ev_fd_deregister(gc, &CTX->sigchld_selfpipe_efd);
- }
+ libxl__ev_fd_deregister(gc, &CTX->sigchld_selfpipe_efd);
}
int libxl__sigchld_needed(libxl__gc *gc) /* non-reentrant, idempotent */
--
1.7.10.4
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