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Diffstat (limited to 'winsup/cygwin/wait.cc')
-rw-r--r--winsup/cygwin/wait.cc126
1 files changed, 0 insertions, 126 deletions
diff --git a/winsup/cygwin/wait.cc b/winsup/cygwin/wait.cc
deleted file mode 100644
index d9588e87a..000000000
--- a/winsup/cygwin/wait.cc
+++ /dev/null
@@ -1,126 +0,0 @@
-/* wait.cc: Posix wait routines.
-
- Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
-
-This file is part of Cygwin.
-
-This software is a copyrighted work licensed under the terms of the
-Cygwin license. Please consult the file "CYGWIN_LICENSE" for
-details. */
-
-#include "winsup.h"
-#include <sys/wait.h>
-#include <stdlib.h>
-#include <errno.h>
-#include "cygerrno.h"
-#include "sigproc.h"
-#include "perthread.h"
-
-/* This is called _wait and not wait because the real wait is defined
- in libc/syscalls/syswait.c. It calls us. */
-
-extern "C"
-pid_t
-_wait (int *status)
-{
- return wait4 (-1, status, 0, NULL);
-}
-
-pid_t
-waitpid (pid_t intpid, int *status, int options)
-{
- return wait4 (intpid, status, options, NULL);
-}
-
-pid_t
-wait3 (int *status, int options, struct rusage *r)
-{
- return wait4 (-1, status, options, r);
-}
-
-/* Wait for any child to complete.
- * Note: this is not thread safe. Use of wait in multiple threads will
- * not work correctly.
- */
-
-pid_t
-wait4 (int intpid, int *status, int options, struct rusage *r)
-{
- int res;
- waitq *w;
- HANDLE waitfor;
- bool sawsig;
-
- while (1)
- {
- sigframe thisframe (mainthread);
- sawsig = 0;
- if (options & ~(WNOHANG | WUNTRACED))
- {
- set_errno (EINVAL);
- return -1;
- }
-
- if (r)
- memset (r, 0, sizeof (*r));
-
- if ((w = (waitq *) waitq_storage.get ()) == NULL)
- w = (waitq *) waitq_storage.create ();
-
- w->pid = intpid;
- w->options = options;
- w->rusage = r;
- sigproc_printf ("calling proc_subproc, pid %d, options %d",
- w->pid, w->options);
- if (!proc_subproc (PROC_WAIT, (DWORD)w))
- {
- set_errno (ENOSYS);
- paranoid_printf ("proc_subproc returned 0");
- res = -1;
- goto done;
- }
-
- if ((waitfor = w->ev) == NULL)
- goto nochildren;
-
- res = WaitForSingleObject (waitfor, INFINITE);
-
- sigproc_printf ("%d = WaitForSingleObject (...)", res);
-
- if (w->ev == NULL)
- {
- nochildren:
- /* found no children */
- set_errno (ECHILD);
- res = -1;
- goto done;
- }
-
- if (w->status == -1)
- {
- set_sig_errno (EINTR);
- sawsig = 1;
- res = -1;
- }
- else if (res != WAIT_OBJECT_0)
- {
- /* We shouldn't set errno to any random value if we can help it.
- See the Posix manual for a list of valid values for `errno'. */
- set_errno (EINVAL);
- res = -1;
- }
- else if ((res = w->pid) != 0 && status)
- *status = w->status;
-
- done:
- if (!sawsig || !thisframe.call_signal_handler ())
- break;
- }
-
- sigproc_printf ("intpid %d, status %p, w->status %d, options %d, res %d",
- intpid, status, w->status, options, res);
- w->status = -1;
- if (res < 0)
- sigproc_printf ("*** errno = %d", get_errno ());
- return res;
-}