New API: set-smp, get-smp

[libguestfs.git] / src / guestfs.c

diff --git a/src/guestfs.c b/src/guestfs.c
index e2b7159..f7ad967 100644 (file)
--- a/src/guestfs.c
+++ b/src/guestfs.c
@@ -144,6 +144,9 @@ guestfs_create (void)
    */
   g->msg_next_serial = 0x00123400;
 
+  /* Default is uniprocessor appliance. */
+  g->smp = 1;
+
   /* Link the handles onto a global list. */
   gl_lock_lock (handles_lock);
   g->next = handles;
@@ -433,14 +436,8 @@ guestfs_perrorf (guestfs_h *g, const char *fs, ...)
 
   if (err < 0) return;
 
-#if !defined(_GNU_SOURCE) || defined(__APPLE__)
   char buf[256];
   strerror_r (errnum, buf, sizeof buf);
-#else
-  char _buf[256];
-  char *buf;
-  buf = strerror_r (errnum, _buf, sizeof _buf);
-#endif
 
   msg = safe_realloc (g, msg, strlen (msg) + 2 + strlen (buf) + 1);
   strcat (msg, ": ");
@@ -578,6 +575,12 @@ guestfs_get_error_handler (guestfs_h *g, void **data_rtn)
   return g->error_cb;
 }
 
+void
+guestfs_user_cancel (guestfs_h *g)
+{
+  g->user_cancel = 1;
+}
+
 int
 guestfs__set_verbose (guestfs_h *g, int v)
 {
@@ -814,6 +817,24 @@ guestfs__get_pgroup (guestfs_h *g)
   return g->pgroup;
 }
 
+int
+guestfs__set_smp (guestfs_h *g, int v)
+{
+  if (v >= 1) {
+    g->smp = v;
+    return 0;
+  } else {
+    error (g, "invalid smp parameter: %d", v);
+    return -1;
+  }
+}
+
+int
+guestfs__get_smp (guestfs_h *g)
+{
+  return g->smp;
+}
+
 /* Note the private data area is allocated lazily, since the vast
  * majority of callers will never use it.  This means g->pda is
  * likely to be NULL.