memcheck/tests/darwin/pth-undocumented.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3
   4 #include <sys/syscall.h>
   5 #include <unistd.h>
   6 #include <fcntl.h>
   7
   8 #ifndef SYS___pthread_chdir
   9 # define SYS___pthread_chdir 348
  10 #endif
  11
  12 #ifndef SYS___pthread_fchdir
  13 # define SYS___pthread_fchdir 349
  14 #endif
  15
  16 int __pthread_chdir(const char *path)
  17 {
  18    return syscall(SYS___pthread_chdir, path);
  19 }
  20
  21 int __pthread_fchdir(int dirfd)
  22 {
  23    return syscall(SYS___pthread_fchdir, dirfd);
  24 }
  25
  26 int main(void)
  27 {
  28    int dirfd;
  29
  30    dirfd = open("/", O_RDONLY);
  31    if (dirfd == -1)
  32       perror("open"), exit(1);
  33
  34    if (__pthread_chdir("/"))
  35       perror("__pthread_chdir");
  36
  37    if (__pthread_fchdir(dirfd))
  38       perror("__pthread_fchdir");
  39
  40    return 0;
  41 }