libxl: abolish libxl_ctx_postfork

libxl's task has become too complicated (particularly in the presence
of both forking and multithreading) to support reuse of the same
libxl_ctx after fork.

So abolish libxl_ctx_fork.  xl instead simply initialises a new
libxl_ctx.

Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <Ian.Jackson@eu.citrix.com>

1 files changed, 0 insertions, 7 deletions

diff --git a/tools/libxl/libxl_utils.c b/tools/libxl/libxl_utils.c
index d6cd78d8f2..0cbd85e543 100644
--- a/tools/libxl/libxl_utils.c
+++ b/tools/libxl/libxl_utils.c
@@ -365,13 +365,6 @@ READ_WRITE_EXACTLY(read, 1, /* */)
 READ_WRITE_EXACTLY(write, 0, const)
 
 
-int libxl_ctx_postfork(libxl_ctx *ctx) {
-    if (ctx->xsh) xs_daemon_destroy_postfork(ctx->xsh);
-    ctx->xsh = xs_daemon_open();
-    if (!ctx->xsh) return ERROR_FAIL;
-    return 0;
-}
-
 pid_t libxl_fork(libxl_ctx *ctx)
 {
     pid_t pid;