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sync: fix build on Windows

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Alexey 2020-04-02 21:58:07 +03:00 committed by GitHub
parent 0e6fe0a4f2
commit 5b6ec8996a
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1 changed files with 14 additions and 23 deletions
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37
vlib/sync/sync_windows.v
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@ -26,28 +26,15 @@ enum MutexState {
destroyed
}
const (
INFINITE = 0xffffffff
)
// Ref - https://docs.microsoft.com/en-us/windows/win32/api/synchapi/nf-synchapi-waitforsingleobject#return-value
const (
WAIT_ABANDONED = 0x00000080
WAIT_IO_COMPLETION = 0x000000C0
WAIT_OBJECT_0 = 0x00000000
WAIT_TIMEOUT = 0x00000102
WAIT_FAILED = 0xFFFFFFFF
)
pub fn new_mutex() &Mutex {
sm := &Mutex{}
unsafe {
mut m := sm
mut m := sm
m.mx = C.CreateMutex(0, false, 0)
if isnil(m.mx) {
m.state = .broken // handle broken and mutex state are broken
return sm
}
}
}
return sm
}
@ -61,23 +48,27 @@ pub fn (m mut Mutex) lock() {
return
}
}
state := C.WaitForSingleObject(m.mx, INFINITE) // infinite wait
state := C.WaitForSingleObject(m.mx, C.INFINITE) // infinite wait
/* TODO fix match/enum combo
m.state = match state {
WAIT_ABANDONED { .abandoned }
WAIT_OBJECT_0 { .waiting }
C.WAIT_ABANDONED { .abandoned }
C.WAIT_OBJECT_0 { .waiting }
else { .broken }
}
*/
mut s := MutexState.broken
if state == WAIT_ABANDONED { s = .abandoned }
else if state == WAIT_OBJECT_0 { s = .waiting }
m.state = s
if state == C.WAIT_ABANDONED {
m.state = .abandoned
// FIXME Use C constant instead
} else if state == 0 /* C.WAIT_OBJECT_0 */ {
m.state = .waiting
} else {
m.state = .broken
}
}
pub fn (m mut Mutex) unlock() {
if m.state == .waiting {
if ReleaseMutex(m.mx) {
if C.ReleaseMutex(m.mx) {
m.state = .broken
return
}