diff options
Diffstat (limited to 'winsup/cygwin/syscalls.cc')
| -rw-r--r-- | winsup/cygwin/syscalls.cc | 33 |
1 files changed, 24 insertions, 9 deletions
diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc index 559582bfd..9f5c8ac88 100644 --- a/winsup/cygwin/syscalls.cc +++ b/winsup/cygwin/syscalls.cc @@ -81,6 +81,25 @@ check_ttys_fds (void) return res; } +int +dup (int fd) +{ + int res; + SetResourceLock (LOCK_FD_LIST, WRITE_LOCK | READ_LOCK, "dup"); + + res = dup2 (fd, cygheap->fdtab.find_unused_handle ()); + + ReleaseResourceLock(LOCK_FD_LIST, WRITE_LOCK | READ_LOCK, "dup"); + + return res; +} + +int +dup2 (int oldfd, int newfd) +{ + return cygheap->fdtab.dup2 (oldfd, newfd); +} + extern "C" int _unlink (const char *ourname) { @@ -489,17 +508,13 @@ _open (const char *unix_path, int flags, ...) path_conv pc; if (!(fh = cygheap->fdtab.build_fhandler (fd, unix_path, NULL, &pc))) res = -1; // errno already set - else + else if (!fh->open (pc, flags, (mode & 07777) & ~cygheap->umask)) { - fh->set_name (unix_path, pc.get_win32 ()); - if (!fh->open (pc, flags, (mode & 07777) & ~cygheap->umask)) - { - cygheap->fdtab.release (fd); - res = -1; - } - else if ((res = fd) <= 2) - set_std_handle (res); + cygheap->fdtab.release (fd); + res = -1; } + else if ((res = fd) <= 2) + set_std_handle (res); } ReleaseResourceLock (LOCK_FD_LIST,WRITE_LOCK|READ_LOCK," open"); } |