diff options
Diffstat (limited to 'src/unistd/faccessat.c')
| -rw-r--r-- | src/unistd/faccessat.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/unistd/faccessat.c b/src/unistd/faccessat.c index 76bbd4c7..43052dd7 100644 --- a/src/unistd/faccessat.c +++ b/src/unistd/faccessat.c @@ -25,12 +25,17 @@ static int checker(void *p) int faccessat(int fd, const char *filename, int amode, int flag) { - if (!flag || (flag==AT_EACCESS && getuid()==geteuid() && getgid()==getegid())) - return syscall(SYS_faccessat, fd, filename, amode, flag); + if (flag) { + int ret = __syscall(SYS_faccessat2, fd, filename, amode, flag); + if (ret != -ENOSYS) return __syscall_ret(ret); + } - if (flag != AT_EACCESS) + if (flag & ~AT_EACCESS) return __syscall_ret(-EINVAL); + if (!flag || (getuid()==geteuid() && getgid()==getegid())) + return syscall(SYS_faccessat, fd, filename, amode); + char stack[1024]; sigset_t set; pid_t pid; @@ -48,7 +53,7 @@ int faccessat(int fd, const char *filename, int amode, int flag) if (pid<0 || __syscall(SYS_read, p[0], &ret, sizeof ret) != sizeof(ret)) ret = -EBUSY; __syscall(SYS_close, p[0]); - __syscall(SYS_wait4, pid, &status, __WCLONE, 0); + __sys_wait4(pid, &status, __WCLONE, 0); __restore_sigs(&set); |