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-rw-r--r--lib/lib.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/lib.h b/lib/lib.h
index ad59989a..301c50f4 100644
--- a/lib/lib.h
+++ b/lib/lib.h
@@ -256,5 +256,16 @@ void names_to_pid(char **names, int (*callback)(pid_t pid, char *name));
pid_t xvforkwrap(pid_t pid);
#define XVFORK() xvforkwrap(vfork())
+#define WOULD_EXIT(y, x) { jmp_buf _noexit; \
+ int _noexit_res; \
+ toys.rebound = &_noexit; \
+ _noexit_res = setjmp(_noexit); \
+ if (!_noexit_res) do {x;} while(0); \
+ toys.rebound = 0; \
+ y = _noexit_res; \
+}
+
+#define NOEXIT(x) WOULD_EXIT(_noexit_res, x)
+
// Functions in need of further review/cleanup
#include "lib/pending.h"