diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/s390/s390-32/pt-vfork.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/s390/s390-32/pt-vfork.S | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/s390-32/pt-vfork.S b/nptl/sysdeps/unix/sysv/linux/s390/s390-32/pt-vfork.S index 67a5bc6613..60d6dbdef6 100644 --- a/nptl/sysdeps/unix/sysv/linux/s390/s390-32/pt-vfork.S +++ b/nptl/sysdeps/unix/sysv/linux/s390/s390-32/pt-vfork.S @@ -22,6 +22,7 @@ #include <bits/errno.h> #include <kernel-features.h> #include <bits/wordsize.h> +#include <tcb-offsets.h> /* Clone the calling process, but without copying the whole address space. The calling process is suspended until the new process exits or is @@ -29,9 +30,18 @@ and the process ID of the new process to the old process. */ ENTRY (__vfork) + ear %r4,%a0 + l %r3,PID(%r4) + lcr %r1,%r3 + st %r1,PID(%r4) + /* Do vfork system call. */ svc SYS_ify (vfork) + ltr %r2,%r2 + je 1f + st %r3,PID(%r4) +1: /* Check for error. */ lhi %r4,-4095 clr %r2,%r4 |