diff options
| author | Mole Shang <[email protected]> | 2024-02-17 11:55:33 +0800 |
|---|---|---|
| committer | Mole Shang <[email protected]> | 2024-02-17 12:22:07 +0800 |
| commit | e8e0a7b4c97064eb5e9415726d7e38aaceccd3fd (patch) | |
| tree | fb42ba5be7a8ae608b968266f62fd71fa889a89d /user/ulib.c | |
| parent | a6af72924b115c1177d18d9b1eaba56623e4248b (diff) | |
| parent | d85aec2689c4250d0384904bdc11aa618c726bec (diff) | |
| download | xv6-labs-e8e0a7b4c97064eb5e9415726d7e38aaceccd3fd.tar.gz xv6-labs-e8e0a7b4c97064eb5e9415726d7e38aaceccd3fd.tar.bz2 xv6-labs-e8e0a7b4c97064eb5e9415726d7e38aaceccd3fd.zip | |
Merge branch 'thread' into fs
Conflicts:
.gitignore
Makefile
conf/lab.mk
kernel/param.h
Diffstat (limited to 'user/ulib.c')
| -rw-r--r-- | user/ulib.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/user/ulib.c b/user/ulib.c index c7b66c4..871adc9 100644 --- a/user/ulib.c +++ b/user/ulib.c @@ -1,8 +1,13 @@ #include "kernel/types.h" #include "kernel/stat.h" #include "kernel/fcntl.h" +#ifdef LAB_PGTBL +#include "kernel/riscv.h" +#include "kernel/memlayout.h" +#endif #include "user/user.h" + // // wrapper so that it's OK if main() does not call exit(). // @@ -145,3 +150,12 @@ memcpy(void *dst, const void *src, uint n) { return memmove(dst, src, n); } + +#ifdef LAB_PGTBL +int +ugetpid(void) +{ + struct usyscall *u = (struct usyscall *)USYSCALL; + return u->pid; +} +#endif |