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)