73 строки
1,5 КиБ
Go
73 строки
1,5 КиБ
Go
// +build darwin
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package syscall
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// This file defines errno and constants to match the darwin libsystem ABI.
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// Values have been copied from src/syscall/zerrors_darwin_amd64.go.
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// This function returns the error location in the darwin ABI.
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// Discovered by compiling the following code using Clang:
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//
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// #include <errno.h>
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// int getErrno() {
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// return errno;
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// }
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//
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//export __error
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func libc___error() *int32
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// getErrno returns the current C errno. It may not have been caused by the last
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// call, so it should only be relied upon when the last call indicates an error
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// (for example, by returning -1).
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func getErrno() Errno {
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errptr := libc___error()
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return Errno(uintptr(*errptr))
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}
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func (e Errno) Is(target error) bool {
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switch target.Error() {
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case "permission denied":
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return e == EACCES || e == EPERM
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case "file already exists":
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return e == EEXIST
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case "file does not exist":
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return e == ENOENT
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}
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return false
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}
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const (
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EPERM Errno = 0x1
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ENOENT Errno = 0x2
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EACCES Errno = 0xd
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EEXIST Errno = 0x11
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EINTR Errno = 0x4
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ENOTDIR Errno = 0x14
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EMFILE Errno = 0x18
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EAGAIN Errno = 0x23
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ETIMEDOUT Errno = 0x3c
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ENOSYS Errno = 0x4e
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EWOULDBLOCK Errno = EAGAIN
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)
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type Signal int
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const (
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SIGCHLD Signal = 0x14
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SIGINT Signal = 0x2
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SIGKILL Signal = 0x9
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SIGTRAP Signal = 0x5
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SIGQUIT Signal = 0x3
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SIGTERM Signal = 0xf
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)
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const (
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O_RDONLY = 0x0
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O_WRONLY = 0x1
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O_RDWR = 0x2
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O_APPEND = 0x8
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O_SYNC = 0x80
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O_CREAT = 0x200
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O_TRUNC = 0x400
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O_EXCL = 0x800
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)
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