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overhaul syscall interface
[musl]
/
src
/
internal
/
syscall_ret.c
diff --git a/src/internal/syscall_ret.c
b/src/internal/syscall_ret.c
new file mode 100644
(file)
index 0000000..
4f159e0
--- /dev/null
+++ b/
src/internal/syscall_ret.c
@@ -0,0
+1,11
@@
+#include <errno.h>
+#include <unistd.h>
+
+long __syscall_ret(unsigned long r)
+{
+ if (r >= (unsigned long)-1 - 4096) {
+ errno = -(long)r;
+ return -1;
+ }
+ return (long)r;
+}