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Read/Write mutex for Extensions map

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This commit is contained in:
aarzilli
2016-03-01 15:41:38 +01:00
committed by Přemysl Janouch
parent baff8c1906
commit becaf43dcb
29 changed files with 2526 additions and 103 deletions
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35
nexgb/xevie/xevie.go
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@@ -19,16 +19,15 @@ func Init(c *xgb.Conn) error {
return xgb.Errorf("No extension named XEVIE could be found on on the server.")
}
xgb.ExtLock.Lock()
c.ExtLock.Lock()
c.Extensions["XEVIE"] = reply.MajorOpcode
c.ExtLock.Unlock()
for evNum, fun := range xgb.NewExtEventFuncs["XEVIE"] {
xgb.NewEventFuncs[int(reply.FirstEvent)+evNum] = fun
}
for errNum, fun := range xgb.NewExtErrorFuncs["XEVIE"] {
xgb.NewErrorFuncs[int(reply.FirstError)+errNum] = fun
}
xgb.ExtLock.Unlock()
return nil
}
@@ -119,6 +118,8 @@ type EndCookie struct {
// End sends a checked request.
// If an error occurs, it will be returned with the reply by calling EndCookie.Reply()
func End(c *xgb.Conn, Cmap uint32) EndCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["XEVIE"]; !ok {
panic("Cannot issue request 'End' using the uninitialized extension 'XEVIE'. xevie.Init(connObj) must be called first.")
}
@@ -130,6 +131,8 @@ func End(c *xgb.Conn, Cmap uint32) EndCookie {
// EndUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func EndUnchecked(c *xgb.Conn, Cmap uint32) EndCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["XEVIE"]; !ok {
panic("Cannot issue request 'End' using the uninitialized extension 'XEVIE'. xevie.Init(connObj) must be called first.")
}
@@ -183,7 +186,9 @@ func endRequest(c *xgb.Conn, Cmap uint32) []byte {
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["XEVIE"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 2 // request opcode
@@ -206,6 +211,8 @@ type QueryVersionCookie struct {
// QueryVersion sends a checked request.
// If an error occurs, it will be returned with the reply by calling QueryVersionCookie.Reply()
func QueryVersion(c *xgb.Conn, ClientMajorVersion uint16, ClientMinorVersion uint16) QueryVersionCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["XEVIE"]; !ok {
panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'XEVIE'. xevie.Init(connObj) must be called first.")
}
@@ -217,6 +224,8 @@ func QueryVersion(c *xgb.Conn, ClientMajorVersion uint16, ClientMinorVersion uin
// QueryVersionUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func QueryVersionUnchecked(c *xgb.Conn, ClientMajorVersion uint16, ClientMinorVersion uint16) QueryVersionCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["XEVIE"]; !ok {
panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'XEVIE'. xevie.Init(connObj) must be called first.")
}
@@ -278,7 +287,9 @@ func queryVersionRequest(c *xgb.Conn, ClientMajorVersion uint16, ClientMinorVers
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["XEVIE"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 0 // request opcode
@@ -304,6 +315,8 @@ type SelectInputCookie struct {
// SelectInput sends a checked request.
// If an error occurs, it will be returned with the reply by calling SelectInputCookie.Reply()
func SelectInput(c *xgb.Conn, EventMask uint32) SelectInputCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["XEVIE"]; !ok {
panic("Cannot issue request 'SelectInput' using the uninitialized extension 'XEVIE'. xevie.Init(connObj) must be called first.")
}
@@ -315,6 +328,8 @@ func SelectInput(c *xgb.Conn, EventMask uint32) SelectInputCookie {
// SelectInputUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func SelectInputUnchecked(c *xgb.Conn, EventMask uint32) SelectInputCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["XEVIE"]; !ok {
panic("Cannot issue request 'SelectInput' using the uninitialized extension 'XEVIE'. xevie.Init(connObj) must be called first.")
}
@@ -368,7 +383,9 @@ func selectInputRequest(c *xgb.Conn, EventMask uint32) []byte {
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["XEVIE"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 4 // request opcode
@@ -391,6 +408,8 @@ type SendCookie struct {
// Send sends a checked request.
// If an error occurs, it will be returned with the reply by calling SendCookie.Reply()
func Send(c *xgb.Conn, Event Event, DataType uint32) SendCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["XEVIE"]; !ok {
panic("Cannot issue request 'Send' using the uninitialized extension 'XEVIE'. xevie.Init(connObj) must be called first.")
}
@@ -402,6 +421,8 @@ func Send(c *xgb.Conn, Event Event, DataType uint32) SendCookie {
// SendUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func SendUnchecked(c *xgb.Conn, Event Event, DataType uint32) SendCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["XEVIE"]; !ok {
panic("Cannot issue request 'Send' using the uninitialized extension 'XEVIE'. xevie.Init(connObj) must be called first.")
}
@@ -455,7 +476,9 @@ func sendRequest(c *xgb.Conn, Event Event, DataType uint32) []byte {
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["XEVIE"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 3 // request opcode
@@ -486,6 +509,8 @@ type StartCookie struct {
// Start sends a checked request.
// If an error occurs, it will be returned with the reply by calling StartCookie.Reply()
func Start(c *xgb.Conn, Screen uint32) StartCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["XEVIE"]; !ok {
panic("Cannot issue request 'Start' using the uninitialized extension 'XEVIE'. xevie.Init(connObj) must be called first.")
}
@@ -497,6 +522,8 @@ func Start(c *xgb.Conn, Screen uint32) StartCookie {
// StartUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func StartUnchecked(c *xgb.Conn, Screen uint32) StartCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["XEVIE"]; !ok {
panic("Cannot issue request 'Start' using the uninitialized extension 'XEVIE'. xevie.Init(connObj) must be called first.")
}
@@ -550,7 +577,9 @@ func startRequest(c *xgb.Conn, Screen uint32) []byte {
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["XEVIE"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 1 // request opcode