bsd-user: Rename sigqueue to qemu_sigqueue

To avoid a name clash with FreeBSD's sigqueue data structure in
signalvar.h, rename sigqueue to qemu_sigqueue. This structure
is currently defined, but unused.

Signed-off-by: Warner Losh <[email protected]>
Reviewed-by: Richard Henderson <[email protected]>
Reviewed-by: Philippe Mathieu-Daudé <[email protected]>
Reviewed-by: Kyle Evans <[email protected]>

Author: bsdimp

bsd-user/qemu.h

@@ -73,15 +73,15 @@ struct image_info {
 
 #define MAX_SIGQUEUE_SIZE 1024
 
-struct sigqueue {
-    struct sigqueue *next;
+struct qemu_sigqueue {
+    struct qemu_sigqueue *next;
+    target_siginfo_t info;
 };
 
 struct emulated_sigtable {
     int pending; /* true if signal is pending */
-    struct sigqueue *first;
-    /* in order to always have memory for the first signal, we put it here */
-    struct sigqueue info;
+    struct qemu_sigqueue *first;
+    struct qemu_sigqueue info;  /* Put first signal info here */
 };
 
 /*
@@ -95,8 +95,8 @@ typedef struct TaskState {
     struct image_info *info;
 
     struct emulated_sigtable sigtab[TARGET_NSIG];
-    struct sigqueue sigqueue_table[MAX_SIGQUEUE_SIZE]; /* siginfo queue */
-    struct sigqueue *first_free; /* first free siginfo queue entry */
+    struct qemu_sigqueue sigqueue_table[MAX_SIGQUEUE_SIZE]; /* siginfo queue */
+    struct qemu_sigqueue *first_free; /* first free siginfo queue entry */
     int signal_pending; /* non zero if a signal may be pending */
 
     uint8_t stack[];