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Diffstat (limited to 'osdep.h')
-rw-r--r--osdep.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/osdep.h b/osdep.h
index dfe80bcf9..f1d18202b 100644
--- a/osdep.h
+++ b/osdep.h
@@ -22,6 +22,29 @@ void *get_mmap_addr(unsigned long size);
extern void __longjmp(jmp_buf env, int val);
#define longjmp __longjmp
+#include <signal.h>
+
+/* NOTE: it works only because the glibc sigset_t is >= kernel sigset_t */
+struct qemu_sigaction {
+ union {
+ void (*_sa_handler)(int);
+ void (*_sa_sigaction)(int, struct siginfo *, void *);
+ } _u;
+ unsigned long sa_flags;
+ void (*sa_restorer)(void);
+ sigset_t sa_mask; /* mask last for extensibility */
+};
+
+int qemu_sigaction(int signum, const struct qemu_sigaction *act,
+ struct qemu_sigaction *oldact);
+
+#undef sigaction
+#undef sa_handler
+#undef sa_sigaction
+#define sigaction qemu_sigaction
+#define sa_handler _u._sa_handler
+#define sa_sigaction _u._sa_sigaction
+
#endif
#endif