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Fix WriteWithSize() on shm_syscall

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This commit is contained in:
Kovid Goyal 2023-02-28 13:50:06 +05:30
parent 327cefbfda
commit ba1ce996bb
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 5 additions and 1 deletions
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6
tools/utils/shm/shm_syscall.go
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@ -114,7 +114,11 @@ func (self *syscall_based_mmap) Write(b []byte) (int, error) {
} }
func (self *syscall_based_mmap) WriteWithSize(b []byte) error { func (self *syscall_based_mmap) WriteWithSize(b []byte) error {
return write_with_size(self.f, b) szbuf := []byte{0, 0, 0, 0}
binary.BigEndian.PutUint32(szbuf, uint32(len(b)))
copy(self.Slice(), szbuf)
copy(self.Slice()[4:], b)
return nil
} }
func (self *syscall_based_mmap) ReadWithSize() ([]byte, error) { func (self *syscall_based_mmap) ReadWithSize() ([]byte, error) {