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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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41
nexgb/xinerama/xinerama.go
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@@ -19,16 +19,15 @@ func Init(c *xgb.Conn) error {
return xgb.Errorf("No extension named XINERAMA could be found on on the server.")
}
xgb.ExtLock.Lock()
c.ExtLock.Lock()
c.Extensions["XINERAMA"] = reply.MajorOpcode
c.ExtLock.Unlock()
for evNum, fun := range xgb.NewExtEventFuncs["XINERAMA"] {
xgb.NewEventFuncs[int(reply.FirstEvent)+evNum] = fun
}
for errNum, fun := range xgb.NewExtErrorFuncs["XINERAMA"] {
xgb.NewErrorFuncs[int(reply.FirstError)+errNum] = fun
}
xgb.ExtLock.Unlock()
return nil
}
@@ -137,6 +136,8 @@ type GetScreenCountCookie struct {
// GetScreenCount sends a checked request.
// If an error occurs, it will be returned with the reply by calling GetScreenCountCookie.Reply()
func GetScreenCount(c *xgb.Conn, Window xproto.Window) GetScreenCountCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["XINERAMA"]; !ok {
panic("Cannot issue request 'GetScreenCount' using the uninitialized extension 'XINERAMA'. xinerama.Init(connObj) must be called first.")
}
@@ -148,6 +149,8 @@ func GetScreenCount(c *xgb.Conn, Window xproto.Window) GetScreenCountCookie {
// GetScreenCountUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func GetScreenCountUnchecked(c *xgb.Conn, Window xproto.Window) GetScreenCountCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["XINERAMA"]; !ok {
panic("Cannot issue request 'GetScreenCount' using the uninitialized extension 'XINERAMA'. xinerama.Init(connObj) must be called first.")
}
@@ -203,7 +206,9 @@ func getScreenCountRequest(c *xgb.Conn, Window xproto.Window) []byte {
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["XINERAMA"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 2 // request opcode
@@ -226,6 +231,8 @@ type GetScreenSizeCookie struct {
// GetScreenSize sends a checked request.
// If an error occurs, it will be returned with the reply by calling GetScreenSizeCookie.Reply()
func GetScreenSize(c *xgb.Conn, Window xproto.Window, Screen uint32) GetScreenSizeCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["XINERAMA"]; !ok {
panic("Cannot issue request 'GetScreenSize' using the uninitialized extension 'XINERAMA'. xinerama.Init(connObj) must be called first.")
}
@@ -237,6 +244,8 @@ func GetScreenSize(c *xgb.Conn, Window xproto.Window, Screen uint32) GetScreenSi
// GetScreenSizeUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func GetScreenSizeUnchecked(c *xgb.Conn, Window xproto.Window, Screen uint32) GetScreenSizeCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["XINERAMA"]; !ok {
panic("Cannot issue request 'GetScreenSize' using the uninitialized extension 'XINERAMA'. xinerama.Init(connObj) must be called first.")
}
@@ -303,7 +312,9 @@ func getScreenSizeRequest(c *xgb.Conn, Window xproto.Window, Screen uint32) []by
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["XINERAMA"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 3 // request opcode
@@ -329,6 +340,8 @@ type GetStateCookie struct {
// GetState sends a checked request.
// If an error occurs, it will be returned with the reply by calling GetStateCookie.Reply()
func GetState(c *xgb.Conn, Window xproto.Window) GetStateCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["XINERAMA"]; !ok {
panic("Cannot issue request 'GetState' using the uninitialized extension 'XINERAMA'. xinerama.Init(connObj) must be called first.")
}
@@ -340,6 +353,8 @@ func GetState(c *xgb.Conn, Window xproto.Window) GetStateCookie {
// GetStateUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func GetStateUnchecked(c *xgb.Conn, Window xproto.Window) GetStateCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["XINERAMA"]; !ok {
panic("Cannot issue request 'GetState' using the uninitialized extension 'XINERAMA'. xinerama.Init(connObj) must be called first.")
}
@@ -395,7 +410,9 @@ func getStateRequest(c *xgb.Conn, Window xproto.Window) []byte {
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["XINERAMA"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 1 // request opcode
@@ -418,6 +435,8 @@ type IsActiveCookie struct {
// IsActive sends a checked request.
// If an error occurs, it will be returned with the reply by calling IsActiveCookie.Reply()
func IsActive(c *xgb.Conn) IsActiveCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["XINERAMA"]; !ok {
panic("Cannot issue request 'IsActive' using the uninitialized extension 'XINERAMA'. xinerama.Init(connObj) must be called first.")
}
@@ -429,6 +448,8 @@ func IsActive(c *xgb.Conn) IsActiveCookie {
// IsActiveUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func IsActiveUnchecked(c *xgb.Conn) IsActiveCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["XINERAMA"]; !ok {
panic("Cannot issue request 'IsActive' using the uninitialized extension 'XINERAMA'. xinerama.Init(connObj) must be called first.")
}
@@ -483,7 +504,9 @@ func isActiveRequest(c *xgb.Conn) []byte {
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["XINERAMA"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 4 // request opcode
@@ -503,6 +526,8 @@ type QueryScreensCookie struct {
// QueryScreens sends a checked request.
// If an error occurs, it will be returned with the reply by calling QueryScreensCookie.Reply()
func QueryScreens(c *xgb.Conn) QueryScreensCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["XINERAMA"]; !ok {
panic("Cannot issue request 'QueryScreens' using the uninitialized extension 'XINERAMA'. xinerama.Init(connObj) must be called first.")
}
@@ -514,6 +539,8 @@ func QueryScreens(c *xgb.Conn) QueryScreensCookie {
// QueryScreensUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func QueryScreensUnchecked(c *xgb.Conn) QueryScreensCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["XINERAMA"]; !ok {
panic("Cannot issue request 'QueryScreens' using the uninitialized extension 'XINERAMA'. xinerama.Init(connObj) must be called first.")
}
@@ -575,7 +602,9 @@ func queryScreensRequest(c *xgb.Conn) []byte {
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["XINERAMA"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 5 // request opcode
@@ -595,6 +624,8 @@ 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, Major byte, Minor byte) QueryVersionCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["XINERAMA"]; !ok {
panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'XINERAMA'. xinerama.Init(connObj) must be called first.")
}
@@ -606,6 +637,8 @@ func QueryVersion(c *xgb.Conn, Major byte, Minor byte) QueryVersionCookie {
// 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, Major byte, Minor byte) QueryVersionCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["XINERAMA"]; !ok {
panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'XINERAMA'. xinerama.Init(connObj) must be called first.")
}
@@ -664,7 +697,9 @@ func queryVersionRequest(c *xgb.Conn, Major byte, Minor byte) []byte {
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["XINERAMA"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 0 // request opcode