github.com/lzhfromustc/gofuzz@v0.0.0-20211116160056-151b3108bbd1/runtime/os_openbsd_syscall2.go (about)

     1  // Copyright 2020 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  // +build openbsd,!amd64,!arm64
     6  
     7  package runtime
     8  
     9  import (
    10  	"unsafe"
    11  )
    12  
    13  //go:noescape
    14  func sigaction(sig uint32, new, old *sigactiont)
    15  
    16  func kqueue() int32
    17  
    18  //go:noescape
    19  func kevent(kq int32, ch *keventt, nch int32, ev *keventt, nev int32, ts *timespec) int32
    20  
    21  func raiseproc(sig uint32)
    22  
    23  func getthrid() int32
    24  func thrkill(tid int32, sig int)
    25  
    26  // read calls the read system call.
    27  // It returns a non-negative number of bytes written or a negative errno value.
    28  func read(fd int32, p unsafe.Pointer, n int32) int32
    29  
    30  func closefd(fd int32) int32
    31  
    32  func exit(code int32)
    33  func usleep(usec uint32)
    34  
    35  // write calls the write system call.
    36  // It returns a non-negative number of bytes written or a negative errno value.
    37  //go:noescape
    38  func write1(fd uintptr, p unsafe.Pointer, n int32) int32
    39  
    40  //go:noescape
    41  func open(name *byte, mode, perm int32) int32
    42  
    43  // return value is only set on linux to be used in osinit()
    44  func madvise(addr unsafe.Pointer, n uintptr, flags int32) int32
    45  
    46  // exitThread terminates the current thread, writing *wait = 0 when
    47  // the stack is safe to reclaim.
    48  //
    49  //go:noescape
    50  func exitThread(wait *uint32)
    51  
    52  //go:noescape
    53  func obsdsigprocmask(how int32, new sigset) sigset
    54  
    55  //go:nosplit
    56  //go:nowritebarrierrec
    57  func sigprocmask(how int32, new, old *sigset) {
    58  	n := sigset(0)
    59  	if new != nil {
    60  		n = *new
    61  	}
    62  	r := obsdsigprocmask(how, n)
    63  	if old != nil {
    64  		*old = r
    65  	}
    66  }
    67  
    68  func pipe() (r, w int32, errno int32)
    69  func pipe2(flags int32) (r, w int32, errno int32)
    70  
    71  //go:noescape
    72  func setitimer(mode int32, new, old *itimerval)
    73  
    74  //go:noescape
    75  func sysctl(mib *uint32, miblen uint32, out *byte, size *uintptr, dst *byte, ndst uintptr) int32
    76  
    77  // mmap calls the mmap system call. It is implemented in assembly.
    78  // We only pass the lower 32 bits of file offset to the
    79  // assembly routine; the higher bits (if required), should be provided
    80  // by the assembly routine as 0.
    81  // The err result is an OS error code such as ENOMEM.
    82  func mmap(addr unsafe.Pointer, n uintptr, prot, flags, fd int32, off uint32) (p unsafe.Pointer, err int)
    83  
    84  // munmap calls the munmap system call. It is implemented in assembly.
    85  func munmap(addr unsafe.Pointer, n uintptr)
    86  
    87  func nanotime1() int64
    88  
    89  //go:noescape
    90  func sigaltstack(new, old *stackt)
    91  
    92  func closeonexec(fd int32)
    93  func setNonblock(fd int32)
    94  
    95  func walltime1() (sec int64, nsec int32)