From b5ddd2abddaf3c25e0af789d4de8b2797f550b72 Mon Sep 17 00:00:00 2001
From: Chris Hanson <org/chris-hanson/cph>
Date: Thu, 5 Jan 1995 23:38:01 +0000
Subject: [PATCH] Add new system calls needed for OS/2 subprocess support.

---
 v7/src/microcode/os2top.c  | 15 +++++++++++++--
 v7/src/microcode/syscall.h | 11 +++++++++--
 2 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/v7/src/microcode/os2top.c b/v7/src/microcode/os2top.c
index d18b7d231..b6f0f65f1 100644
--- a/v7/src/microcode/os2top.c
+++ b/v7/src/microcode/os2top.c
@@ -1,8 +1,8 @@
 /* -*-C-*-
 
-$Id: os2top.c,v 1.4 1994/12/19 22:31:44 cph Exp $
+$Id: os2top.c,v 1.5 1995/01/05 23:38:01 cph Exp $
 
-Copyright (c) 1994 Massachusetts Institute of Technology
+Copyright (c) 1994-95 Massachusetts Institute of Technology
 
 This material was developed by the Scheme project at the Massachusetts
 Institute of Technology, Department of Electrical Engineering and
@@ -45,12 +45,14 @@ extern void OS2_initialize_exception_handling (void);
 extern void OS2_initialize_keyboard_interrupts (void);
 extern void OS2_initialize_message_queues (void);
 extern void OS2_initialize_pm_thread (void);
+extern void OS2_initialize_processes (void);
 extern void OS2_initialize_scheme_thread (void);
 extern void OS2_initialize_tty (void);
 extern void OS2_initialize_window_primitives (void);
 
 extern const char * OS_Name;
 extern const char * OS_Variant;
+extern HMTX OS2_create_queue_lock;
 
 static const char * OS2_version_string (void);
 static void initialize_locks (void);
@@ -87,6 +89,7 @@ OS_initialize (void)
   OS2_initialize_directory_reader ();
   OS2_initialize_tty ();
   OS2_initialize_window_primitives ();
+  OS2_initialize_processes ();
   OS_Name = "OS/2";
   {
     const char * version = (OS2_version_string ());
@@ -203,6 +206,7 @@ static void
 initialize_locks (void)
 {
   interrupt_registers_lock = (OS2_create_mutex_semaphore (0, 0));
+  OS2_create_queue_lock = (OS2_create_mutex_semaphore (0, 0));
 }
 
 void
@@ -1517,18 +1521,22 @@ static char * syscall_names_table [] =
   "dos-create-thread",
   "dos-delete",
   "dos-delete-dir",
+  "dos-dup-handle",
+  "dos-exec-pgm",
   "dos-exit",
   "dos-find-close",
   "dos-find-first",
   "dos-find-next",
   "dos-get-info-blocks",
   "dos-get-message",
+  "dos-kill-process",
   "dos-kill-thread",
   "dos-move",
   "dos-open",
   "dos-post-event-sem",
   "dos-query-current-dir",
   "dos-query-current-disk",
+  "dos-query-fh-state",
   "dos-query-file-info",
   "dos-query-fs-attach",
   "dos-query-fs-info",
@@ -1542,13 +1550,16 @@ static char * syscall_names_table [] =
   "dos-request-mutex-sem",
   "dos-reset-event-sem",
   "dos-scan-env",
+  "dos-send-signal-exception",
   "dos-set-current-dir",
   "dos-set-default-disk",
+  "dos-set-fh-state",
   "dos-set-file-ptr",
   "dos-set-file-size",
   "dos-set-path-info",
   "dos-start-timer",
   "dos-stop-timer",
+  "dos-wait-child",
   "dos-wait-event-sem",
   "dos-write",
   "dos-write-queue",
diff --git a/v7/src/microcode/syscall.h b/v7/src/microcode/syscall.h
index 72669236d..09259d69b 100644
--- a/v7/src/microcode/syscall.h
+++ b/v7/src/microcode/syscall.h
@@ -1,8 +1,8 @@
 /* -*-C-*-
 
-$Id: syscall.h,v 1.6 1994/12/19 22:27:33 cph Exp $
+$Id: syscall.h,v 1.7 1995/01/05 23:37:26 cph Exp $
 
-Copyright (c) 1993-94 Massachusetts Institute of Technology
+Copyright (c) 1993-95 Massachusetts Institute of Technology
 
 This material was developed by the Scheme project at the Massachusetts
 Institute of Technology, Department of Electrical Engineering and
@@ -58,18 +58,22 @@ enum syscall_names
   syscall_DosCreateThread,
   syscall_DosDelete,
   syscall_DosDeleteDir,
+  syscall_DosDupHandle,
+  syscall_DosExecPgm,
   syscall_DosExit,
   syscall_DosFindClose,
   syscall_DosFindFirst,
   syscall_DosFindNext,
   syscall_DosGetInfoBlocks,
   syscall_DosGetMessage,
+  syscall_DosKillProcess,
   syscall_DosKillThread,
   syscall_DosMove,
   syscall_DosOpen,
   syscall_DosPostEventSem,
   syscall_DosQueryCurrentDir,
   syscall_DosQueryCurrentDisk,
+  syscall_DosQueryFHState,
   syscall_DosQueryFileInfo,
   syscall_DosQueryFSAttach,
   syscall_DosQueryFSInfo,
@@ -83,13 +87,16 @@ enum syscall_names
   syscall_DosRequestMutexSem,
   syscall_DosResetEventSem,
   syscall_DosScanEnv,
+  syscall_DosSendSignalException,
   syscall_DosSetCurrentDir,
   syscall_DosSetDefaultDisk,
+  syscall_DosSetFHState,
   syscall_DosSetFilePtr,
   syscall_DosSetFileSize,
   syscall_DosSetPathInfo,
   syscall_DosStartTimer,
   syscall_DosStopTimer,
+  syscall_DosWaitChild,
   syscall_DosWaitEventSem,
   syscall_DosWrite,
   syscall_DosWriteQueue,
-- 
2.25.1