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Diffstat (limited to 'libc/sysdeps/linux/m68k/bits/vfork.h')
-rw-r--r--libc/sysdeps/linux/m68k/bits/vfork.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/m68k/bits/vfork.h b/libc/sysdeps/linux/m68k/bits/vfork.h
new file mode 100644
index 000000000..0b6ffa2c0
--- /dev/null
+++ b/libc/sysdeps/linux/m68k/bits/vfork.h
@@ -0,0 +1,25 @@
+/* orginally from include/unistd.h, written by ndf@linux.mit.edu> */
+
+#ifndef _M68K_VFORK_H
+#define _M68K_VFORK_H 1
+
+extern int _clone __P ((int (*fn)(void *arg), void *child_stack, int flags, void *arg));
+
+#define vfork() ({ \
+register unsigned long __res __asm__ ("%d0") = __NR_fork; \
+__asm__ __volatile__ ("trap #0" \
+ : "=g" (__res) \
+ : "0" (__res) \
+ : "%d0"); \
+if (__res >= (unsigned long)-4096) { \
+ errno = -__res; \
+ __res = (pid_t)-1; \
+} \
+(pid_t)__res; \
+})
+
+
+#define clone clone_not_available_use__clone
+
+#endif /* _M68K_VFORK_H */
+