mirror of
https://github.com/golang/go.git
synced 2025-12-08 06:10:04 +00:00
syscall: Permit non-blocking syscalls.
Permit system calls to be designated as non-blocking, meaning that we simply call them without involving the scheduler. This change by itself is mostly performance neutral. In combination with a following change to the net package there is a performance advantage. R=rsc, dfc, r2, iant2, rsc1 CC=golang-dev https://golang.org/cl/4278055
This commit is contained in:
Ian Lance Taylor
parent
e39dc76884
commit
4fd41e494a
25 changed files with 579 additions and 383 deletions
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@ -26,7 +26,7 @@ func openat(dirfd int, path string, flags int, mode uint32) (fd int, errno int)
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func pipe(p *[2]_C_int) (errno int) {
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_, _, e1 := Syscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0)
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_, _, e1 := RawSyscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0)
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errno = int(e1)
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return
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}
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@ -156,7 +156,7 @@ func Creat(path string, mode uint32) (fd int, errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Dup(oldfd int) (fd int, errno int) {
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r0, _, e1 := Syscall(SYS_DUP, uintptr(oldfd), 0, 0)
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r0, _, e1 := RawSyscall(SYS_DUP, uintptr(oldfd), 0, 0)
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fd = int(r0)
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errno = int(e1)
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return
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@ -165,7 +165,7 @@ func Dup(oldfd int) (fd int, errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Dup2(oldfd int, newfd int) (fd int, errno int) {
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r0, _, e1 := Syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
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r0, _, e1 := RawSyscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0)
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fd = int(r0)
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errno = int(e1)
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return
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@ -174,7 +174,7 @@ func Dup2(oldfd int, newfd int) (fd int, errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func EpollCreate(size int) (fd int, errno int) {
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r0, _, e1 := Syscall(SYS_EPOLL_CREATE, uintptr(size), 0, 0)
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r0, _, e1 := RawSyscall(SYS_EPOLL_CREATE, uintptr(size), 0, 0)
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fd = int(r0)
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errno = int(e1)
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return
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@ -183,7 +183,7 @@ func EpollCreate(size int) (fd int, errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func EpollCtl(epfd int, op int, fd int, event *EpollEvent) (errno int) {
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_, _, e1 := Syscall6(SYS_EPOLL_CTL, uintptr(epfd), uintptr(op), uintptr(fd), uintptr(unsafe.Pointer(event)), 0, 0)
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_, _, e1 := RawSyscall6(SYS_EPOLL_CTL, uintptr(epfd), uintptr(op), uintptr(fd), uintptr(unsafe.Pointer(event)), 0, 0)
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errno = int(e1)
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return
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}
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@ -301,7 +301,7 @@ func Getdents(fd int, buf []byte) (n int, errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Getpgid(pid int) (pgid int, errno int) {
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r0, _, e1 := Syscall(SYS_GETPGID, uintptr(pid), 0, 0)
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r0, _, e1 := RawSyscall(SYS_GETPGID, uintptr(pid), 0, 0)
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pgid = int(r0)
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errno = int(e1)
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return
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@ -310,7 +310,7 @@ func Getpgid(pid int) (pgid int, errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Getpgrp() (pid int) {
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r0, _, _ := Syscall(SYS_GETPGRP, 0, 0, 0)
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r0, _, _ := RawSyscall(SYS_GETPGRP, 0, 0, 0)
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pid = int(r0)
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return
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}
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@ -318,7 +318,7 @@ func Getpgrp() (pid int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Getpid() (pid int) {
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r0, _, _ := Syscall(SYS_GETPID, 0, 0, 0)
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r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
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pid = int(r0)
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return
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}
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@ -326,7 +326,7 @@ func Getpid() (pid int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Getppid() (ppid int) {
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r0, _, _ := Syscall(SYS_GETPPID, 0, 0, 0)
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r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
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ppid = int(r0)
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return
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}
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@ -334,7 +334,7 @@ func Getppid() (ppid int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Getrlimit(resource int, rlim *Rlimit) (errno int) {
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_, _, e1 := Syscall(SYS_GETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0)
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_, _, e1 := RawSyscall(SYS_GETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0)
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errno = int(e1)
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return
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}
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@ -342,7 +342,7 @@ func Getrlimit(resource int, rlim *Rlimit) (errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Getrusage(who int, rusage *Rusage) (errno int) {
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_, _, e1 := Syscall(SYS_GETRUSAGE, uintptr(who), uintptr(unsafe.Pointer(rusage)), 0)
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_, _, e1 := RawSyscall(SYS_GETRUSAGE, uintptr(who), uintptr(unsafe.Pointer(rusage)), 0)
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errno = int(e1)
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return
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}
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@ -350,7 +350,7 @@ func Getrusage(who int, rusage *Rusage) (errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Gettid() (tid int) {
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r0, _, _ := Syscall(SYS_GETTID, 0, 0, 0)
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r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
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tid = int(r0)
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return
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}
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@ -367,7 +367,7 @@ func InotifyAddWatch(fd int, pathname string, mask uint32) (watchdesc int, errno
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func InotifyInit() (fd int, errno int) {
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r0, _, e1 := Syscall(SYS_INOTIFY_INIT, 0, 0, 0)
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r0, _, e1 := RawSyscall(SYS_INOTIFY_INIT, 0, 0, 0)
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fd = int(r0)
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errno = int(e1)
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return
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@ -376,7 +376,7 @@ func InotifyInit() (fd int, errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func InotifyInit1(flags int) (fd int, errno int) {
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r0, _, e1 := Syscall(SYS_INOTIFY_INIT1, uintptr(flags), 0, 0)
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r0, _, e1 := RawSyscall(SYS_INOTIFY_INIT1, uintptr(flags), 0, 0)
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fd = int(r0)
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errno = int(e1)
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return
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@ -385,7 +385,7 @@ func InotifyInit1(flags int) (fd int, errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func InotifyRmWatch(fd int, watchdesc uint32) (success int, errno int) {
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r0, _, e1 := Syscall(SYS_INOTIFY_RM_WATCH, uintptr(fd), uintptr(watchdesc), 0)
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r0, _, e1 := RawSyscall(SYS_INOTIFY_RM_WATCH, uintptr(fd), uintptr(watchdesc), 0)
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success = int(r0)
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errno = int(e1)
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return
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@ -394,7 +394,7 @@ func InotifyRmWatch(fd int, watchdesc uint32) (success int, errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Kill(pid int, sig int) (errno int) {
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_, _, e1 := Syscall(SYS_KILL, uintptr(pid), uintptr(sig), 0)
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_, _, e1 := RawSyscall(SYS_KILL, uintptr(pid), uintptr(sig), 0)
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errno = int(e1)
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return
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}
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@ -571,7 +571,7 @@ func Sethostname(p []byte) (errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Setpgid(pid int, pgid int) (errno int) {
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_, _, e1 := Syscall(SYS_SETPGID, uintptr(pid), uintptr(pgid), 0)
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_, _, e1 := RawSyscall(SYS_SETPGID, uintptr(pid), uintptr(pgid), 0)
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errno = int(e1)
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return
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}
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@ -579,7 +579,7 @@ func Setpgid(pid int, pgid int) (errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Setrlimit(resource int, rlim *Rlimit) (errno int) {
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_, _, e1 := Syscall(SYS_SETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0)
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_, _, e1 := RawSyscall(SYS_SETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0)
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errno = int(e1)
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return
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}
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@ -587,7 +587,7 @@ func Setrlimit(resource int, rlim *Rlimit) (errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Setsid() (pid int, errno int) {
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r0, _, e1 := Syscall(SYS_SETSID, 0, 0, 0)
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r0, _, e1 := RawSyscall(SYS_SETSID, 0, 0, 0)
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pid = int(r0)
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errno = int(e1)
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return
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@ -596,7 +596,7 @@ func Setsid() (pid int, errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Settimeofday(tv *Timeval) (errno int) {
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_, _, e1 := Syscall(SYS_SETTIMEOFDAY, uintptr(unsafe.Pointer(tv)), 0, 0)
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_, _, e1 := RawSyscall(SYS_SETTIMEOFDAY, uintptr(unsafe.Pointer(tv)), 0, 0)
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errno = int(e1)
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return
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}
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@ -604,7 +604,7 @@ func Settimeofday(tv *Timeval) (errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Setuid(uid int) (errno int) {
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_, _, e1 := Syscall(SYS_SETUID, uintptr(uid), 0, 0)
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_, _, e1 := RawSyscall(SYS_SETUID, uintptr(uid), 0, 0)
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errno = int(e1)
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return
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}
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@ -627,7 +627,7 @@ func Sync() {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Sysinfo(info *Sysinfo_t) (errno int) {
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_, _, e1 := Syscall(SYS_SYSINFO, uintptr(unsafe.Pointer(info)), 0, 0)
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_, _, e1 := RawSyscall(SYS_SYSINFO, uintptr(unsafe.Pointer(info)), 0, 0)
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errno = int(e1)
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return
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}
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@ -644,7 +644,7 @@ func Tee(rfd int, wfd int, len int, flags int) (n int64, errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Tgkill(tgid int, tid int, sig int) (errno int) {
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_, _, e1 := Syscall(SYS_TGKILL, uintptr(tgid), uintptr(tid), uintptr(sig))
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_, _, e1 := RawSyscall(SYS_TGKILL, uintptr(tgid), uintptr(tid), uintptr(sig))
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errno = int(e1)
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return
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}
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@ -652,7 +652,7 @@ func Tgkill(tgid int, tid int, sig int) (errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Times(tms *Tms) (ticks uintptr, errno int) {
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r0, _, e1 := Syscall(SYS_TIMES, uintptr(unsafe.Pointer(tms)), 0, 0)
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r0, _, e1 := RawSyscall(SYS_TIMES, uintptr(unsafe.Pointer(tms)), 0, 0)
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ticks = uintptr(r0)
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errno = int(e1)
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return
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@ -661,7 +661,7 @@ func Times(tms *Tms) (ticks uintptr, errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Umask(mask int) (oldmask int) {
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r0, _, _ := Syscall(SYS_UMASK, uintptr(mask), 0, 0)
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r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
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oldmask = int(r0)
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return
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}
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@ -669,7 +669,7 @@ func Umask(mask int) (oldmask int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Uname(buf *Utsname) (errno int) {
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_, _, e1 := Syscall(SYS_UNAME, uintptr(unsafe.Pointer(buf)), 0, 0)
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_, _, e1 := RawSyscall(SYS_UNAME, uintptr(unsafe.Pointer(buf)), 0, 0)
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errno = int(e1)
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return
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}
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@ -791,7 +791,7 @@ func connect(s int, addr uintptr, addrlen _Socklen) (errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func getgroups(n int, list *_Gid_t) (nn int, errno int) {
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r0, _, e1 := Syscall(SYS_GETGROUPS32, uintptr(n), uintptr(unsafe.Pointer(list)), 0)
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r0, _, e1 := RawSyscall(SYS_GETGROUPS32, uintptr(n), uintptr(unsafe.Pointer(list)), 0)
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nn = int(r0)
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errno = int(e1)
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return
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@ -800,7 +800,7 @@ func getgroups(n int, list *_Gid_t) (nn int, errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func setgroups(n int, list *_Gid_t) (errno int) {
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_, _, e1 := Syscall(SYS_SETGROUPS32, uintptr(n), uintptr(unsafe.Pointer(list)), 0)
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_, _, e1 := RawSyscall(SYS_SETGROUPS32, uintptr(n), uintptr(unsafe.Pointer(list)), 0)
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errno = int(e1)
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return
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}
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@ -816,7 +816,7 @@ func setsockopt(s int, level int, name int, val uintptr, vallen int) (errno int)
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func socket(domain int, typ int, proto int) (fd int, errno int) {
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r0, _, e1 := Syscall(SYS_SOCKET, uintptr(domain), uintptr(typ), uintptr(proto))
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r0, _, e1 := RawSyscall(SYS_SOCKET, uintptr(domain), uintptr(typ), uintptr(proto))
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fd = int(r0)
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errno = int(e1)
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return
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@ -825,7 +825,7 @@ func socket(domain int, typ int, proto int) (fd int, errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int) {
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_, _, e1 := Syscall(SYS_GETPEERNAME, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
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_, _, e1 := RawSyscall(SYS_GETPEERNAME, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
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errno = int(e1)
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return
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}
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@ -833,7 +833,7 @@ func getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (errno int) {
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_, _, e1 := Syscall(SYS_GETSOCKNAME, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
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_, _, e1 := RawSyscall(SYS_GETSOCKNAME, uintptr(fd), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)))
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errno = int(e1)
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return
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}
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@ -870,7 +870,7 @@ func sendto(s int, buf []byte, flags int, to uintptr, addrlen _Socklen) (errno i
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func socketpair(domain int, typ int, flags int, fd *[2]int) (errno int) {
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_, _, e1 := Syscall6(SYS_SOCKETPAIR, uintptr(domain), uintptr(typ), uintptr(flags), uintptr(unsafe.Pointer(fd)), 0, 0)
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_, _, e1 := RawSyscall6(SYS_SOCKETPAIR, uintptr(domain), uintptr(typ), uintptr(flags), uintptr(unsafe.Pointer(fd)), 0, 0)
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errno = int(e1)
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return
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}
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@ -935,7 +935,7 @@ func Ftruncate(fd int, length int64) (errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Getegid() (egid int) {
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r0, _, _ := Syscall(SYS_GETEGID, 0, 0, 0)
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r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
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egid = int(r0)
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return
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}
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@ -943,7 +943,7 @@ func Getegid() (egid int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Geteuid() (euid int) {
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r0, _, _ := Syscall(SYS_GETEUID, 0, 0, 0)
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r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
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euid = int(r0)
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return
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}
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@ -951,7 +951,7 @@ func Geteuid() (euid int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Getgid() (gid int) {
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r0, _, _ := Syscall(SYS_GETGID, 0, 0, 0)
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r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
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gid = int(r0)
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return
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}
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@ -959,7 +959,7 @@ func Getgid() (gid int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Getuid() (uid int) {
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r0, _, _ := Syscall(SYS_GETUID, 0, 0, 0)
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r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
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uid = int(r0)
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return
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}
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@ -1016,7 +1016,7 @@ func Setfsuid(uid int) (errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Setgid(gid int) (errno int) {
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_, _, e1 := Syscall(SYS_SETGID, uintptr(gid), 0, 0)
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_, _, e1 := RawSyscall(SYS_SETGID, uintptr(gid), 0, 0)
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errno = int(e1)
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return
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}
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@ -1024,7 +1024,7 @@ func Setgid(gid int) (errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Setregid(rgid int, egid int) (errno int) {
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_, _, e1 := Syscall(SYS_SETREGID, uintptr(rgid), uintptr(egid), 0)
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_, _, e1 := RawSyscall(SYS_SETREGID, uintptr(rgid), uintptr(egid), 0)
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errno = int(e1)
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return
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}
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@ -1032,7 +1032,7 @@ func Setregid(rgid int, egid int) (errno int) {
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// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
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func Setresgid(rgid int, egid int, sgid int) (errno int) {
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_, _, e1 := Syscall(SYS_SETRESGID, uintptr(rgid), uintptr(egid), uintptr(sgid))
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||||
_, _, e1 := RawSyscall(SYS_SETRESGID, uintptr(rgid), uintptr(egid), uintptr(sgid))
|
||||
errno = int(e1)
|
||||
return
|
||||
}
|
||||
|
|
@ -1040,7 +1040,7 @@ func Setresgid(rgid int, egid int, sgid int) (errno int) {
|
|||
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
|
||||
|
||||
func Setresuid(ruid int, euid int, suid int) (errno int) {
|
||||
_, _, e1 := Syscall(SYS_SETRESUID, uintptr(ruid), uintptr(euid), uintptr(suid))
|
||||
_, _, e1 := RawSyscall(SYS_SETRESUID, uintptr(ruid), uintptr(euid), uintptr(suid))
|
||||
errno = int(e1)
|
||||
return
|
||||
}
|
||||
|
|
@ -1048,7 +1048,7 @@ func Setresuid(ruid int, euid int, suid int) (errno int) {
|
|||
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
|
||||
|
||||
func Setreuid(ruid int, euid int) (errno int) {
|
||||
_, _, e1 := Syscall(SYS_SETREUID, uintptr(ruid), uintptr(euid), 0)
|
||||
_, _, e1 := RawSyscall(SYS_SETREUID, uintptr(ruid), uintptr(euid), 0)
|
||||
errno = int(e1)
|
||||
return
|
||||
}
|
||||
|
|
@ -1097,7 +1097,7 @@ func Truncate(path string, length int64) (errno int) {
|
|||
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
|
||||
|
||||
func Gettimeofday(tv *Timeval) (errno int) {
|
||||
_, _, e1 := Syscall(SYS_GETTIMEOFDAY, uintptr(unsafe.Pointer(tv)), 0, 0)
|
||||
_, _, e1 := RawSyscall(SYS_GETTIMEOFDAY, uintptr(unsafe.Pointer(tv)), 0, 0)
|
||||
errno = int(e1)
|
||||
return
|
||||
}
|
||||
|
|
@ -1105,7 +1105,7 @@ func Gettimeofday(tv *Timeval) (errno int) {
|
|||
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
|
||||
|
||||
func Time(t *Time_t) (tt Time_t, errno int) {
|
||||
r0, _, e1 := Syscall(SYS_TIME, uintptr(unsafe.Pointer(t)), 0, 0)
|
||||
r0, _, e1 := RawSyscall(SYS_TIME, uintptr(unsafe.Pointer(t)), 0, 0)
|
||||
tt = Time_t(r0)
|
||||
errno = int(e1)
|
||||
return
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue