1 files changed, 93 insertions, 0 deletions
diff --git a/src/runtime/os_plan9.h b/src/runtime/os_plan9.h
new file mode 100644
index 000000000..6d1802483
--- /dev/null
+++ b/src/runtime/os_plan9.h
@@ -0,0 +1,93 @@
+// Copyright 2010 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Plan 9-specific system calls
+int32	runtime·pread(int32 fd, void *buf, int32 nbytes, int64 offset);
+int32	runtime·pwrite(int32 fd, void *buf, int32 nbytes, int64 offset);
+int64	runtime·seek(int32 fd, int64 offset, int32 whence);
+void	runtime·exits(int8* msg);
+intptr	runtime·brk_(void*);
+int32	runtime·sleep(int32 ms);
+int32	runtime·rfork(int32 flags);
+int32	runtime·plan9_semacquire(uint32 *addr, int32 block);
+int32	runtime·plan9_tsemacquire(uint32 *addr, int32 ms);
+int32 	runtime·plan9_semrelease(uint32 *addr, int32 count);
+int32	runtime·notify(void (*fn)(void*, int8*));
+int32	runtime·noted(int32);
+int64	runtime·nsec(int64*);
+void	runtime·sigtramp(void*, int8*);
+void	runtime·sigpanic(void);
+void	runtime·goexitsall(int8*);
+void	runtime·setfpmasks(void);
+void	runtime·tstart_plan9(M *newm);
+
+/* open */
+enum
+{
+	OREAD	= 0,
+	OWRITE	= 1,
+	ORDWR	= 2,
+	OEXEC	= 3,
+	OTRUNC	= 16,
+	OCEXEC	= 32,
+	ORCLOSE	= 64,
+	OEXCL	= 0x1000
+};
+
+/* rfork */
+enum
+{
+	RFNAMEG         = (1<<0),
+	RFENVG          = (1<<1),
+	RFFDG           = (1<<2),
+	RFNOTEG         = (1<<3),
+	RFPROC          = (1<<4),
+	RFMEM           = (1<<5),
+	RFNOWAIT        = (1<<6),
+	RFCNAMEG        = (1<<10),
+	RFCENVG         = (1<<11),
+	RFCFDG          = (1<<12),
+	RFREND          = (1<<13),
+	RFNOMNT         = (1<<14)
+};
+
+/* notify */
+enum
+{
+	NCONT	= 0,
+	NDFLT	= 1
+};
+
+typedef struct Tos Tos;
+typedef intptr _Plink;
+
+struct Tos {
+	struct TosProf			/* Per process profiling */
+	{
+		_Plink	*pp;	/* known to be 0(ptr) */
+		_Plink	*next;	/* known to be 4(ptr) */
+		_Plink	*last;
+		_Plink	*first;
+		uint32	pid;
+		uint32	what;
+	} prof;
+	uint64	cyclefreq;	/* cycle clock frequency if there is one, 0 otherwise */
+	int64	kcycles;	/* cycles spent in kernel */
+	int64	pcycles;	/* cycles spent in process (kernel + user) */
+	uint32	pid;		/* might as well put the pid here */
+	uint32	clock;
+	/* top of stack is here */
+};
+
+enum {
+	NSIG = 14, /* number of signals in runtime·SigTab array */
+	ERRMAX = 128, /* max length of note string */
+
+	/* Notes in runtime·sigtab that are handled by runtime·sigpanic. */
+	SIGRFAULT = 2,
+	SIGWFAULT = 3,
+	SIGINTDIV = 4,
+	SIGFLOAT = 5,
+	SIGTRAP = 6,
+};