Glibc provides __ptr_t for the pointer in the stack_t struct,
but other C libraries - namely musl - do not necessarily do so.
In that case, fall back to a void* pointer.
Signed-off-by: Hans-Werner Hilse <hwhi...@gmail.com>
---
arch/um/os-Linux/signal.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c
index 7b605e4..82d95d9 100644
--- a/arch/um/os-Linux/signal.c
+++ b/arch/um/os-Linux/signal.c
@@ -15,6 +15,11 @@
#include <sysdep/mcontext.h>
#include "internal.h"
+/* some C libraries do not provide a special pointer typedef */
+#ifndef __ptr_t
+# define __ptr_t void *
+#endif
+
void (*sig_info[NSIG])(int, struct siginfo *, struct uml_pt_regs *) = {
[SIGTRAP] = relay_signal,
[SIGFPE] = relay_signal,
--
2.4.2
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