diff options
Diffstat (limited to 'src/pkg/runtime/plan9/os.h')
-rw-r--r-- | src/pkg/runtime/plan9/os.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/pkg/runtime/plan9/os.h b/src/pkg/runtime/plan9/os.h new file mode 100644 index 000000000..b2f7357ec --- /dev/null +++ b/src/pkg/runtime/plan9/os.h @@ -0,0 +1,57 @@ +// 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. + +extern int32 runtime·write(int32 fd, void* buffer, int32 nbytes); +extern void runtime·exits(int8* msg); +extern int32 runtime·brk_(void*); + +/* open */ +enum +{ + OREAD = 0, + OWRITE = 1, + ORDWR = 2 +}; + +/* 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) +}; + +typedef struct Tos Tos; +typedef intptr Plink; + +struct Tos { + struct /* 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 */ +}; + +extern int32 runtime·rfork(int32 flags, void *stk, M *m, G *g, void (*fn)(void)); +extern int32 runtime·plan9_semacquire(uint32 *addr, int32 block); +extern int32 runtime·plan9_semrelease(uint32 *addr, int32 count); |