diff options
Diffstat (limited to 'winsup/cygwin/fhandler_process.cc')
| -rw-r--r-- | winsup/cygwin/fhandler_process.cc | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/winsup/cygwin/fhandler_process.cc b/winsup/cygwin/fhandler_process.cc index fee65076f..565755cc1 100644 --- a/winsup/cygwin/fhandler_process.cc +++ b/winsup/cygwin/fhandler_process.cc @@ -92,7 +92,8 @@ static bool get_mem_values (DWORD dwProcessId, unsigned long *vmsize, unsigned long *vmshare); /* Returns 0 if path doesn't exist, >0 if path is a directory, - * -1 if path is a file, -2 if path is a symlink. + * -1 if path is a file, -2 if path is a symlink, -3 if path is a pipe, + * -4 if path is a socket. */ int fhandler_process::exists () @@ -116,6 +117,15 @@ fhandler_process::exists () fileid = PROCESS_FD; if (fill_filebuf ()) return -2; + /* Check for nameless device entries. */ + path = strrchr (path, '/'); + if (path && *++path) + { + if (!strncmp (path, "pipe:[", 6)) + return -3; + else if (!strncmp (path, "socket:[", 8)) + return -4; + } } return 0; } @@ -165,6 +175,16 @@ fhandler_process::fstat (struct __stat64 *buf) buf->st_gid = p->gid; buf->st_mode = S_IFLNK | S_IRWXU | S_IRWXG | S_IRWXO; return 0; + case -3: + buf->st_uid = p->uid; + buf->st_gid = p->gid; + buf->st_mode = S_IFIFO | S_IRUSR | S_IWUSR; + return 0; + case -4: + buf->st_uid = p->uid; + buf->st_gid = p->gid; + buf->st_mode = S_IFSOCK | S_IRUSR | S_IWUSR; + return 0; case -1: default: buf->st_uid = p->uid; @@ -269,6 +289,12 @@ fhandler_process::open (int flags, mode_t mode) goto out; } } + if (process_file_no == PROCESS_FD) + { + set_errno (EISDIR); + res = 0; + goto out; + } if (flags & O_WRONLY) { set_errno (EROFS); @@ -338,8 +364,8 @@ fhandler_process::fill_filebuf () filebuf = p->fd (fd, fs); if (!filebuf || !*filebuf) { - filebuf = strdup ("<disconnected>"); - fs = strlen (filebuf) + 1; + set_errno (ENOENT); + return false; } } filesize = fs; |