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unix: add SyscallNoError and RawSyscallNoError on Linux

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Add the SyscallNoError and RawSyscallNoError wrapper functions which are
used for syscalls that don't return an error. Also convert all applicable
syscalls to use these wrappers.

Updates golang/go#22924

Change-Id: Ie143abc99de8d12d36b67ac278e08d7565f73ce0
Reviewed-on: https://go-review.googlesource.com/85756
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Tobias Klauser
2018-01-03 16:03:02 +00:00
committed by Brad Fitzpatrick
parent 83801418e1
commit 28a7276518
21 changed files with 370 additions and 130 deletions
Download Patch File Download Diff File Expand all files Collapse all files
unix/zsyscall_linux_ppc64.go
+10 -10
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@@ -538,7 +538,7 @@ func Eventfd(initval uint, flags int) (fd int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Exit(code int) {
Syscall(SYS_EXIT_GROUP, uintptr(code), 0, 0)
SyscallNoError(SYS_EXIT_GROUP, uintptr(code), 0, 0)
return
}
@@ -674,7 +674,7 @@ func Getpgid(pid int) (pgid int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getpid() (pid int) {
r0, _, _ := RawSyscall(SYS_GETPID, 0, 0, 0)
r0, _ := RawSyscallNoError(SYS_GETPID, 0, 0, 0)
pid = int(r0)
return
}
@@ -682,7 +682,7 @@ func Getpid() (pid int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getppid() (ppid int) {
r0, _, _ := RawSyscall(SYS_GETPPID, 0, 0, 0)
r0, _ := RawSyscallNoError(SYS_GETPPID, 0, 0, 0)
ppid = int(r0)
return
}
@@ -739,7 +739,7 @@ func Getsid(pid int) (sid int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Gettid() (tid int) {
r0, _, _ := RawSyscall(SYS_GETTID, 0, 0, 0)
r0, _ := RawSyscallNoError(SYS_GETTID, 0, 0, 0)
tid = int(r0)
return
}
@@ -1239,7 +1239,7 @@ func Setxattr(path string, attr string, data []byte, flags int) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Sync() {
Syscall(SYS_SYNC, 0, 0, 0)
SyscallNoError(SYS_SYNC, 0, 0, 0)
return
}
@@ -1298,7 +1298,7 @@ func Times(tms *Tms) (ticks uintptr, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Umask(mask int) (oldmask int) {
r0, _, _ := RawSyscall(SYS_UMASK, uintptr(mask), 0, 0)
r0, _ := RawSyscallNoError(SYS_UMASK, uintptr(mask), 0, 0)
oldmask = int(r0)
return
}
@@ -1592,7 +1592,7 @@ func Ftruncate(fd int, length int64) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getegid() (egid int) {
r0, _, _ := RawSyscall(SYS_GETEGID, 0, 0, 0)
r0, _ := RawSyscallNoError(SYS_GETEGID, 0, 0, 0)
egid = int(r0)
return
}
@@ -1600,7 +1600,7 @@ func Getegid() (egid int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Geteuid() (euid int) {
r0, _, _ := RawSyscall(SYS_GETEUID, 0, 0, 0)
r0, _ := RawSyscallNoError(SYS_GETEUID, 0, 0, 0)
euid = int(r0)
return
}
@@ -1608,7 +1608,7 @@ func Geteuid() (euid int) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getgid() (gid int) {
r0, _, _ := RawSyscall(SYS_GETGID, 0, 0, 0)
r0, _ := RawSyscallNoError(SYS_GETGID, 0, 0, 0)
gid = int(r0)
return
}
@@ -1626,7 +1626,7 @@ func Getrlimit(resource int, rlim *Rlimit) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Getuid() (uid int) {
r0, _, _ := RawSyscall(SYS_GETUID, 0, 0, 0)
r0, _ := RawSyscallNoError(SYS_GETUID, 0, 0, 0)
uid = int(r0)
return
}