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Results 21 - 30 of 275 for munmap (0.24 sec)
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src/runtime/runtime_mmap_test.go
runtime.Munmap(unsafe.Pointer(uintptr(b)), 2*ps) } // Mmap should fail at a half page into the buffer. _, err = runtime.Mmap(unsafe.Pointer(uintptr(b)+ps/2), ps, 0, runtime.MAP_ANON|runtime.MAP_PRIVATE|runtime.MAP_FIXED, -1, 0) if err == 0 { t.Errorf("Mmap should have failed with half-page alignment %d, but succeeded: %v", ps/2, err) } // Mmap should succeed at a full page into the buffer.
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Tue Mar 29 16:24:51 UTC 2022 - 1.8K bytes - Viewed (0) -
src/syscall/syscall_bsd.go
var mapper = &mmapper{ active: make(map[*byte][]byte), mmap: mmap, munmap: munmap, } func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error) { return mapper.Mmap(fd, offset, length, prot, flags) } func Munmap(b []byte) (err error) { return mapper.Munmap(b)
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Tue Nov 07 10:34:48 UTC 2023 - 13.6K bytes - Viewed (0) -
src/cmd/vendor/golang.org/x/sys/unix/syscall_unix.go
return errno } delete(m.active, p) return nil } func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error) { return mapper.Mmap(fd, offset, length, prot, flags) } func Munmap(b []byte) (err error) { return mapper.Munmap(b) } func Read(fd int, p []byte) (n int, err error) { n, err = read(fd, p) if raceenabled { if n > 0 {
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Thu Oct 19 23:33:33 UTC 2023 - 16.5K bytes - Viewed (0) -
src/runtime/mem_bsd.go
// Don't split the stack as this function may be invoked without a valid G, // which prevents us from allocating more stack. // //go:nosplit func sysFreeOS(v unsafe.Pointer, n uintptr) { munmap(v, n) } func sysFaultOS(v unsafe.Pointer, n uintptr) { mmap(v, n, _PROT_NONE, _MAP_ANON|_MAP_PRIVATE|_MAP_FIXED, -1, 0) } // Indicates not to reserve swap space for the mapping. const _sunosMAP_NORESERVE = 0x40
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Tue Aug 22 19:05:10 UTC 2023 - 2.2K bytes - Viewed (0) -
src/syscall/syscall_solaris.go
} return } var mapper = &mmapper{ active: make(map[*byte][]byte), mmap: mmap, munmap: munmap, } func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error) { return mapper.Mmap(fd, offset, length, prot, flags) } func Munmap(b []byte) (err error) { return mapper.Munmap(b) } func Utimes(path string, tv []Timeval) error { if len(tv) != 2 {
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Mon Feb 26 21:03:59 UTC 2024 - 15.7K bytes - Viewed (0) -
src/runtime/mem_aix.go
// which prevents us from allocating more stack. // //go:nosplit func sysFreeOS(v unsafe.Pointer, n uintptr) { munmap(v, n) } func sysFaultOS(v unsafe.Pointer, n uintptr) { mmap(v, n, _PROT_NONE, _MAP_ANON|_MAP_PRIVATE|_MAP_FIXED, -1, 0) } func sysReserveOS(v unsafe.Pointer, n uintptr) unsafe.Pointer { p, err := mmap(v, n, _PROT_NONE, _MAP_ANON|_MAP_PRIVATE, -1, 0) if err != 0 { return nil } return p }
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Tue Aug 22 19:05:10 UTC 2023 - 2K bytes - Viewed (0) -
src/syscall/syscall_aix.go
var mapper = &mmapper{ active: make(map[*byte][]byte), mmap: mmap, munmap: munmap, } //sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) //sys munmap(addr uintptr, length uintptr) (err error) func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, err error) { return mapper.Mmap(fd, offset, length, prot, flags) }
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Wed May 29 13:50:55 UTC 2024 - 17.9K bytes - Viewed (0) -
test/recover4.go
// Map 16 pages of data with a 4-page hole in the middle. data, err := syscall.Mmap(-1, 0, 16*size, syscall.PROT_READ|syscall.PROT_WRITE, syscall.MAP_ANON|syscall.MAP_PRIVATE) if err != nil { log.Fatalf("mmap: %v", err) } // Create a hole in the mapping that's PROT_NONE. // Note that we can't use munmap here because the Go runtime // could create a mapping that ends up in this hole otherwise,
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Thu Oct 19 23:33:25 UTC 2023 - 2.2K bytes - Viewed (0) -
src/runtime/sys_openbsd2.go
} func thrkill_trampoline() // mmap is used to do low-level memory allocation via mmap. Don't allow stack // splits, since this function (used by sysAlloc) is called in a lot of low-level // parts of the runtime and callers often assume it won't acquire any locks. // //go:nosplit func mmap(addr unsafe.Pointer, n uintptr, prot, flags, fd int32, off uint32) (unsafe.Pointer, int) {
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Mon Mar 25 19:53:03 UTC 2024 - 8.7K bytes - Viewed (0) -
src/syscall/syscall_unix.go
} func (m *mmapper) Munmap(data []byte) (err error) { if len(data) == 0 || len(data) != cap(data) { return EINVAL } // Find the base of the mapping. p := &data[cap(data)-1] m.Lock() defer m.Unlock() b := m.active[p] if b == nil || &b[0] != &data[0] { return EINVAL } // Unmap the memory and update m. if errno := m.munmap(uintptr(unsafe.Pointer(&b[0])), uintptr(len(b))); errno != nil { return errno
Registered: Wed Jun 12 16:32:35 UTC 2024 - Last Modified: Tue Mar 19 16:19:26 UTC 2024 - 12.2K bytes - Viewed (0)