github.com/fjballest/golang@v0.0.0-20151209143359-e4c5fe594ca8/src/runtime/os_nacl.go (about)

     1  // Copyright 2014 The Go Authors.  All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package runtime
     6  
     7  import "unsafe"
     8  
     9  type mOS struct {
    10  	waitsema      int32 // semaphore for parking on locks
    11  	waitsemacount int32
    12  	waitsemalock  int32
    13  }
    14  
    15  func nacl_exception_stack(p uintptr, size int32) int32
    16  func nacl_exception_handler(fn uintptr, arg unsafe.Pointer) int32
    17  func nacl_sem_create(flag int32) int32
    18  func nacl_sem_wait(sem int32) int32
    19  func nacl_sem_post(sem int32) int32
    20  func nacl_mutex_create(flag int32) int32
    21  func nacl_mutex_lock(mutex int32) int32
    22  func nacl_mutex_trylock(mutex int32) int32
    23  func nacl_mutex_unlock(mutex int32) int32
    24  func nacl_cond_create(flag int32) int32
    25  func nacl_cond_wait(cond, n int32) int32
    26  func nacl_cond_signal(cond int32) int32
    27  func nacl_cond_broadcast(cond int32) int32
    28  
    29  //go:noescape
    30  func nacl_cond_timed_wait_abs(cond, lock int32, ts *timespec) int32
    31  func nacl_thread_create(fn uintptr, stk, tls, xx unsafe.Pointer) int32
    32  
    33  //go:noescape
    34  func nacl_nanosleep(ts, extra *timespec) int32
    35  func nanotime() int64
    36  func mmap(addr unsafe.Pointer, n uintptr, prot, flags, fd int32, off uint32) unsafe.Pointer
    37  func exit(code int32)
    38  func osyield()
    39  
    40  //go:noescape
    41  func write(fd uintptr, p unsafe.Pointer, n int32) int32
    42  
    43  //go:linkname os_sigpipe os.sigpipe
    44  func os_sigpipe() {
    45  	throw("too many writes on closed pipe")
    46  }
    47  
    48  func sigpanic() {
    49  	g := getg()
    50  	if !canpanic(g) {
    51  		throw("unexpected signal during runtime execution")
    52  	}
    53  
    54  	// Native Client only invokes the exception handler for memory faults.
    55  	g.sig = _SIGSEGV
    56  	panicmem()
    57  }
    58  
    59  func raiseproc(sig int32) {
    60  }
    61  
    62  // Stubs so tests can link correctly.  These should never be called.
    63  func open(name *byte, mode, perm int32) int32
    64  func closefd(fd int32) int32
    65  func read(fd int32, p unsafe.Pointer, n int32) int32