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-rw-r--r--src/internal/ntapi_pty.h32
-rw-r--r--src/pty/ntapi_pty_fd.c11
2 files changed, 24 insertions, 19 deletions
diff --git a/src/internal/ntapi_pty.h b/src/internal/ntapi_pty.h
index 711c5f5..a71a750 100644
--- a/src/internal/ntapi_pty.h
+++ b/src/internal/ntapi_pty.h
@@ -1,6 +1,6 @@
/********************************************************/
/* ntapi: Native API core library */
-/* Copyright (C) 2013--2017 Z. Gilboa */
+/* Copyright (C) 2013--2019 Z. Gilboa */
/* Released under GPLv2 and GPLv3; see COPYING.NTAPI. */
/********************************************************/
@@ -17,21 +17,21 @@
#define __PTY_WRITE 1
typedef struct nt_pty_context {
- nt_sync_block sync[2];
- void * addr;
- size_t size;
- void * hport;
- void * hpty;
- void * section;
- void * section_addr;
- size_t section_size;
- nt_guid guid;
- nt_luid luid;
- uint32_t access;
- uint32_t flags;
- uint32_t share;
- uint32_t options;
- nt_iosb iosb;
+ int32_t volatile lock[2];
+ void * addr;
+ size_t size;
+ void * hport;
+ void * hpty;
+ void * section;
+ void * section_addr;
+ size_t section_size;
+ nt_guid guid;
+ nt_luid luid;
+ uint32_t access;
+ uint32_t flags;
+ uint32_t share;
+ uint32_t options;
+ nt_iosb iosb;
} nt_pty;
#endif
diff --git a/src/pty/ntapi_pty_fd.c b/src/pty/ntapi_pty_fd.c
index 45a58ff..2e79417 100644
--- a/src/pty/ntapi_pty_fd.c
+++ b/src/pty/ntapi_pty_fd.c
@@ -5,6 +5,7 @@
/********************************************************/
#include <psxtypes/psxtypes.h>
+#include <ntapi/nt_atomic.h>
#include <ntapi/nt_port.h>
#include <ntapi/nt_tty.h>
#include <ntapi/ntapi.h>
@@ -111,6 +112,10 @@ static int32_t __fastcall __ntapi_pty_alloc(nt_pty ** pty)
ctx->addr = ctx;
ctx->size = ctx_size;
+ /* atomic lock reset */
+ at_store_32(&ctx->lock[__PTY_READ],0);
+ at_store_32(&ctx->lock[__PTY_WRITE],0);
+
*pty = ctx;
return NT_STATUS_SUCCESS;
}
@@ -155,9 +160,9 @@ static int32_t __ntapi_pty_connect(
NT_PAGE_READWRITE)))
return __ntapi_pty_fail(ctx,status);
- /* assume conforming clients, config for single lock try */
- __ntapi->tt_sync_block_init(&ctx->sync[__PTY_READ],0,0,1,0,0);
- __ntapi->tt_sync_block_init(&ctx->sync[__PTY_WRITE],0,0,1,0,0);
+ /* atomic lock reset */
+ at_store_32(&ctx->lock[__PTY_READ],0);
+ at_store_32(&ctx->lock[__PTY_WRITE],0);
return NT_STATUS_SUCCESS;
}