Now we cache parent's pid as atomic `ps_ppid'. It's time to unlock
getppid(2).
Index: sys/kern/syscalls.master
===================================================================
RCS file: /cvs/src/sys/kern/syscalls.master,v
retrieving revision 1.207
diff -u -p -r1.207 syscalls.master
--- sys/kern/syscalls.master 18 Mar 2020 19:33:36 -0000 1.207
+++ sys/kern/syscalls.master 17 Jan 2021 15:23:22 -0000
@@ -107,7 +107,7 @@
36 STD { void sys_sync(void); }
37 STD { int sys_msyscall(void *addr, size_t len); }
38 STD { int sys_stat(const char *path, struct stat *ub); }
-39 STD { pid_t sys_getppid(void); }
+39 STD NOLOCK { pid_t sys_getppid(void); }
40 STD { int sys_lstat(const char *path, struct stat *ub); }
41 STD NOLOCK { int sys_dup(int fd); }
42 STD { int sys_fstatat(int fd, const char *path, \
