// license that can be found in the LICENSE file.

// Solaris code that doesn't also apply to illumos.

//go:build !illumos

package runtime

func getncpu() int32 {
	n := int32(sysconf(__SC_NPROCESSORS_ONLN))
	if n < 1 {
		return 1
	}

	return n

//go:cgo_import_dynamic sched_yield sched_yield ""
//go:cgo_import_dynamic setrlimit setrlimit ""
//go:cgo_import_dynamic sigaction sigaction ""
//go:cgo_import_dynamic stat$INODE64 stat$INODE64 ""
//go:cgo_import_dynamic sysconf sysconf ""
//go:cgo_import_dynamic sysctl sysctl ""
//go:cgo_import_dynamic sysctlbyname sysctlbyname ""
//go:cgo_import_dynamic task_info task_info ""
//go:cgo_import_dynamic tcgetattr tcgetattr ""

//go:cgo_import_dynamic sched_yield sched_yield ""
//go:cgo_import_dynamic setrlimit setrlimit ""
//go:cgo_import_dynamic sigaction sigaction ""
//go:cgo_import_dynamic stat stat ""
//go:cgo_import_dynamic sysconf sysconf ""
//go:cgo_import_dynamic sysctl sysctl ""
//go:cgo_import_dynamic sysctlbyname sysctlbyname ""
//go:cgo_import_dynamic task_info task_info ""
//go:cgo_import_dynamic tcgetattr tcgetattr ""

		uintptr(unsafe.Pointer(buf)),
		size,
		uintptr(unsafe.Pointer(result)),
		0)
	return syscall.Errno(errno)
}

//go:cgo_import_dynamic libc_sysconf sysconf "/usr/lib/libSystem.B.dylib"
func libc_sysconf_trampoline()

func Sysconf(key int32) int64 {
	val, _, errno := syscall_syscall6X(abi.FuncPCABI0(libc_sysconf_trampoline),
		uintptr(key), 0, 0, 0, 0, 0)
	if errno != 0 {
		return -1
	}

	if runtime.GOOS == "solaris" || runtime.GOOS == "illumos" {
		// Solaris/Illumos have a lower limit, above which wait returns
		// EINVAL (see waitid in usr/src/uts/common/os/exit.c in
		// illumos). This is configurable via sysconf(_SC_MAXPID), but
		// we'll just take the default.
		pid = 30000-1
	}

	p, err := FindProcess(pid)
	if err != nil {
		t.Fatalf("FindProcess(math.MaxInt32) got err %v, want nil", err)
	}

	return grp, result != nil, errno
}

const (
	_C__SC_GETPW_R_SIZE_MAX = unix.SC_GETPW_R_SIZE_MAX
	_C__SC_GETGR_R_SIZE_MAX = unix.SC_GETGR_R_SIZE_MAX
)

		throw("sem_post")
	}
}

func osinit() {
	// Call miniterrno so that we can safely make system calls
	// before calling minit on m0.
	miniterrno()

	ncpu = int32(sysconf(__SC_NPROCESSORS_ONLN))
	physPageSize = sysconf(__SC_PAGE_SIZE)
}

// newosproc0 is a version of newosproc that can be called before the runtime
// is initialized.
//

	}
	defer fd.writeUnlock()
	if err := fd.pd.prepareWrite(fd.isFile); err != nil {
		return 0, err
	}

	var iovecs []syscall.Iovec
	if fd.iovecs != nil {
		iovecs = *fd.iovecs
	}
	// TODO: read from sysconf(_SC_IOV_MAX)? The Linux default is
	// 1024 and this seems conservative enough for now. Darwin's
	// UIO_MAXIOV also seems to be 1024.
	maxVec := 1024
	if runtime.GOOS == "aix" || runtime.GOOS == "solaris" {

	return grp, f != 0, syscall.Errno(e)
}

const (
	_C__SC_GETPW_R_SIZE_MAX = C._SC_GETPW_R_SIZE_MAX
	_C__SC_GETGR_R_SIZE_MAX = C._SC_GETGR_R_SIZE_MAX
)

//go:cgo_import_dynamic libc_sigaction sigaction "libc.so"
//go:cgo_import_dynamic libc_sigaltstack sigaltstack "libc.so"
//go:cgo_import_dynamic libc_sigprocmask sigprocmask "libc.so"
//go:cgo_import_dynamic libc_sysconf sysconf "libc.so"
//go:cgo_import_dynamic libc_usleep usleep "libc.so"
//go:cgo_import_dynamic libc_write write "libc.so"
//go:cgo_import_dynamic libc_pipe2 pipe2 "libc.so"

//go:linkname libc____errno libc____errno