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Diffstat (limited to 'src/pkg/syscall/syscall_linux.go')
-rw-r--r--src/pkg/syscall/syscall_linux.go118
1 files changed, 101 insertions, 17 deletions
diff --git a/src/pkg/syscall/syscall_linux.go b/src/pkg/syscall/syscall_linux.go
index 89fb68192..4f458be73 100644
--- a/src/pkg/syscall/syscall_linux.go
+++ b/src/pkg/syscall/syscall_linux.go
@@ -18,16 +18,19 @@ import "unsafe"
*/
//sys open(path string, mode int, perm uint32) (fd int, err error)
+
func Open(path string, mode int, perm uint32) (fd int, err error) {
return open(path, mode|O_LARGEFILE, perm)
}
//sys openat(dirfd int, path string, flags int, mode uint32) (fd int, err error)
+
func Openat(dirfd int, path string, flags int, mode uint32) (fd int, err error) {
return openat(dirfd, path, flags|O_LARGEFILE, mode)
}
//sysnb pipe(p *[2]_C_int) (err error)
+
func Pipe(p []int) (err error) {
if len(p) != 2 {
return EINVAL
@@ -39,7 +42,21 @@ func Pipe(p []int) (err error) {
return
}
+//sysnb pipe2(p *[2]_C_int, flags int) (err error)
+
+func Pipe2(p []int, flags int) (err error) {
+ if len(p) != 2 {
+ return EINVAL
+ }
+ var pp [2]_C_int
+ err = pipe2(&pp, flags)
+ p[0] = int(pp[0])
+ p[1] = int(pp[1])
+ return
+}
+
//sys utimes(path string, times *[2]Timeval) (err error)
+
func Utimes(path string, tv []Timeval) (err error) {
if len(tv) != 2 {
return EINVAL
@@ -47,12 +64,37 @@ func Utimes(path string, tv []Timeval) (err error) {
return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
}
+//sys utimensat(dirfd int, path string, times *[2]Timespec) (err error)
+
+func UtimesNano(path string, ts []Timespec) (err error) {
+ if len(ts) != 2 {
+ return EINVAL
+ }
+ err = utimensat(_AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])))
+ if err != ENOSYS {
+ return err
+ }
+ // If the utimensat syscall isn't available (utimensat was added to Linux
+ // in 2.6.22, Released, 8 July 2007) then fall back to utimes
+ var tv [2]Timeval
+ for i := 0; i < 2; i++ {
+ tv[i].Sec = ts[i].Sec
+ tv[i].Usec = ts[i].Nsec / 1000
+ }
+ return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
+}
+
//sys futimesat(dirfd int, path *byte, times *[2]Timeval) (err error)
+
func Futimesat(dirfd int, path string, tv []Timeval) (err error) {
if len(tv) != 2 {
return EINVAL
}
- return futimesat(dirfd, StringBytePtr(path), (*[2]Timeval)(unsafe.Pointer(&tv[0])))
+ pathp, err := BytePtrFromString(path)
+ if err != nil {
+ return err
+ }
+ return futimesat(dirfd, pathp, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
}
func Futimes(fd int, tv []Timeval) (err error) {
@@ -64,6 +106,7 @@ func Futimes(fd int, tv []Timeval) (err error) {
const ImplementsGetwd = true
//sys Getcwd(buf []byte) (n int, err error)
+
func Getwd() (wd string, err error) {
var buf [PathMax]byte
n, err := Getcwd(buf[0:])
@@ -173,6 +216,7 @@ func (w WaitStatus) TrapCause() int {
}
//sys wait4(pid int, wstatus *_C_int, options int, rusage *Rusage) (wpid int, err error)
+
func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int, err error) {
var status _C_int
wpid, err = wait4(pid, &status, options, rusage)
@@ -244,7 +288,7 @@ type SockaddrUnix struct {
func (sa *SockaddrUnix) sockaddr() (uintptr, _Socklen, error) {
name := sa.Name
n := len(name)
- if n >= len(sa.raw.Path) || n == 0 {
+ if n >= len(sa.raw.Path) {
return 0, 0, EINVAL
}
sa.raw.Family = AF_UNIX
@@ -252,7 +296,10 @@ func (sa *SockaddrUnix) sockaddr() (uintptr, _Socklen, error) {
sa.raw.Path[i] = int8(name[i])
}
// length is family (uint16), name, NUL.
- sl := 2 + _Socklen(n) + 1
+ sl := _Socklen(2)
+ if n > 0 {
+ sl += _Socklen(n) + 1
+ }
if sa.raw.Path[0] == '@' {
sa.raw.Path[0] = 0
// Don't count trailing NUL for abstract address.
@@ -392,6 +439,21 @@ func Accept(fd int) (nfd int, sa Sockaddr, err error) {
return
}
+func Accept4(fd int, flags int) (nfd int, sa Sockaddr, err error) {
+ var rsa RawSockaddrAny
+ var len _Socklen = SizeofSockaddrAny
+ nfd, err = accept4(fd, &rsa, &len, flags)
+ if err != nil {
+ return
+ }
+ sa, err = anyToSockaddr(&rsa)
+ if err != nil {
+ Close(nfd)
+ nfd = 0
+ }
+ return
+}
+
func Getsockname(fd int) (sa Sockaddr, err error) {
var rsa RawSockaddrAny
var len _Socklen = SizeofSockaddrAny
@@ -435,7 +497,12 @@ func Socket(domain, typ, proto int) (fd int, err error) {
}
func Socketpair(domain, typ, proto int) (fd [2]int, err error) {
- err = socketpair(domain, typ, proto, &fd)
+ var fdx [2]int32
+ err = socketpair(domain, typ, proto, &fdx)
+ if err == nil {
+ fd[0] = int(fdx[0])
+ fd[1] = int(fdx[1])
+ }
return
}
@@ -473,6 +540,13 @@ func GetsockoptIPv6Mreq(fd, level, opt int) (*IPv6Mreq, error) {
return &value, err
}
+func GetsockoptUcred(fd, level, opt int) (*Ucred, error) {
+ var value Ucred
+ vallen := _Socklen(SizeofUcred)
+ err := getsockopt(fd, level, opt, uintptr(unsafe.Pointer(&value)), &vallen)
+ return &value, err
+}
+
func SetsockoptInt(fd, level, opt int, value int) (err error) {
var n = int32(value)
return setsockopt(fd, level, opt, uintptr(unsafe.Pointer(&n)), 4)
@@ -512,7 +586,9 @@ func Recvfrom(fd int, p []byte, flags int) (n int, from Sockaddr, err error) {
if n, err = recvfrom(fd, p, flags, &rsa, &len); err != nil {
return
}
- from, err = anyToSockaddr(&rsa)
+ if rsa.Addr.Family != AF_UNSPEC {
+ from, err = anyToSockaddr(&rsa)
+ }
return
}
@@ -731,6 +807,10 @@ func PtraceCont(pid int, signal int) (err error) {
return ptrace(PTRACE_CONT, pid, 0, uintptr(signal))
}
+func PtraceSyscall(pid int, signal int) (err error) {
+ return ptrace(PTRACE_SYSCALL, pid, 0, uintptr(signal))
+}
+
func PtraceSingleStep(pid int) (err error) { return ptrace(PTRACE_SINGLESTEP, pid, 0, 0) }
func PtraceAttach(pid int) (err error) { return ptrace(PTRACE_ATTACH, pid, 0, 0) }
@@ -738,6 +818,7 @@ func PtraceAttach(pid int) (err error) { return ptrace(PTRACE_ATTACH, pid, 0, 0)
func PtraceDetach(pid int) (err error) { return ptrace(PTRACE_DETACH, pid, 0, 0) }
//sys reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error)
+
func Reboot(cmd int) (err error) {
return reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, cmd, "")
}
@@ -777,13 +858,18 @@ func ParseDirent(buf []byte, max int, names []string) (consumed int, count int,
}
//sys mount(source string, target string, fstype string, flags uintptr, data *byte) (err error)
+
func Mount(source string, target string, fstype string, flags uintptr, data string) (err error) {
// Certain file systems get rather angry and EINVAL if you give
// them an empty string of data, rather than NULL.
if data == "" {
return mount(source, target, fstype, flags, nil)
}
- return mount(source, target, fstype, flags, StringBytePtr(data))
+ datap, err := BytePtrFromString(data)
+ if err != nil {
+ return err
+ }
+ return mount(source, target, fstype, flags, datap)
}
// Sendto
@@ -823,9 +909,9 @@ func Mount(source string, target string, fstype string, flags uintptr, data stri
//sysnb Getpgrp() (pid int)
//sysnb Getpid() (pid int)
//sysnb Getppid() (ppid int)
-//sysnb Getrlimit(resource int, rlim *Rlimit) (err error)
//sysnb Getrusage(who int, rusage *Rusage) (err error)
//sysnb Gettid() (tid int)
+//sys Getxattr(path string, attr string, dest []byte) (sz int, err error)
//sys InotifyAddWatch(fd int, pathname string, mask uint32) (watchdesc int, err error)
//sysnb InotifyInit() (fd int, err error)
//sysnb InotifyInit1(flags int) (fd int, err error)
@@ -833,6 +919,7 @@ func Mount(source string, target string, fstype string, flags uintptr, data stri
//sysnb Kill(pid int, sig Signal) (err error)
//sys Klogctl(typ int, buf []byte) (n int, err error) = SYS_SYSLOG
//sys Link(oldpath string, newpath string) (err error)
+//sys Listxattr(path string, dest []byte) (sz int, err error)
//sys Mkdir(path string, mode uint32) (err error)
//sys Mkdirat(dirfd int, path string, mode uint32) (err error)
//sys Mknod(path string, mode uint32, dev int) (err error)
@@ -840,18 +927,20 @@ func Mount(source string, target string, fstype string, flags uintptr, data stri
//sys Nanosleep(time *Timespec, leftover *Timespec) (err error)
//sys Pause() (err error)
//sys PivotRoot(newroot string, putold string) (err error) = SYS_PIVOT_ROOT
-//sys Read(fd int, p []byte) (n int, err error)
+//sysnb prlimit(pid int, resource int, old *Rlimit, newlimit *Rlimit) (err error) = SYS_PRLIMIT64
+//sys read(fd int, p []byte) (n int, err error)
//sys Readlink(path string, buf []byte) (n int, err error)
+//sys Removexattr(path string, attr string) (err error)
//sys Rename(oldpath string, newpath string) (err error)
//sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
//sys Rmdir(path string) (err error)
//sys Setdomainname(p []byte) (err error)
//sys Sethostname(p []byte) (err error)
//sysnb Setpgid(pid int, pgid int) (err error)
-//sysnb Setrlimit(resource int, rlim *Rlimit) (err error)
//sysnb Setsid() (pid int, err error)
//sysnb Settimeofday(tv *Timeval) (err error)
//sysnb Setuid(uid int) (err error)
+//sys Setxattr(path string, attr string, data []byte, flags int) (err error)
//sys Symlink(oldpath string, newpath string) (err error)
//sys Sync()
//sysnb Sysinfo(info *Sysinfo_t) (err error)
@@ -866,10 +955,10 @@ func Mount(source string, target string, fstype string, flags uintptr, data stri
//sys Unshare(flags int) (err error)
//sys Ustat(dev int, ubuf *Ustat_t) (err error)
//sys Utime(path string, buf *Utimbuf) (err error)
-//sys Write(fd int, p []byte) (n int, err error)
+//sys write(fd int, p []byte) (n int, err error)
//sys exitThread(code int) (err error) = SYS_EXIT
-//sys read(fd int, p *byte, np int) (n int, err error)
-//sys write(fd int, p *byte, np int) (n int, err error)
+//sys readlen(fd int, p *byte, np int) (n int, err error) = SYS_READ
+//sys writelen(fd int, p *byte, np int) (n int, err error) = SYS_WRITE
// mmap varies by architecture; see syscall_linux_*.go.
//sys munmap(addr uintptr, length uintptr) (err error)
@@ -931,7 +1020,6 @@ func Munmap(b []byte) (err error) {
// Getitimer
// Getpmsg
// Getpriority
-// Getxattr
// IoCancel
// IoDestroy
// IoGetevents
@@ -943,7 +1031,6 @@ func Munmap(b []byte) (err error) {
// KexecLoad
// Keyctl
// Lgetxattr
-// Listxattr
// Llistxattr
// LookupDcookie
// Lremovexattr
@@ -981,7 +1068,6 @@ func Munmap(b []byte) (err error) {
// Readahead
// Readv
// RemapFilePages
-// Removexattr
// RequestKey
// RestartSyscall
// RtSigaction
@@ -1010,7 +1096,6 @@ func Munmap(b []byte) (err error) {
// SetThreadArea
// SetTidAddress
// Setpriority
-// Setxattr
// Shmat
// Shmctl
// Shmdt
@@ -1036,5 +1121,4 @@ func Munmap(b []byte) (err error) {
// Vmsplice
// Vserver
// Waitid
-// Writev
// _Sysctl
generated by cgit v1.2.3 (git 2.39.1) at 2025-07-05 22:36:26 +0000