p/haven
1
0
Fork 0
Code Issues 1 Pull Requests Releases Wiki Activity

Read/Write mutex for Extensions map

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

53
nexgb/dpms/dpms.go
View File

@@ -19,16 +19,15 @@ func Init(c *xgb.Conn) error {
return xgb.Errorf("No extension named DPMS could be found on on the server.")
}
xgb.ExtLock.Lock()
c.ExtLock.Lock()
c.Extensions["DPMS"] = reply.MajorOpcode
c.ExtLock.Unlock()
for evNum, fun := range xgb.NewExtEventFuncs["DPMS"] {
xgb.NewEventFuncs[int(reply.FirstEvent)+evNum] = fun
}
for errNum, fun := range xgb.NewExtErrorFuncs["DPMS"] {
xgb.NewErrorFuncs[int(reply.FirstError)+errNum] = fun
}
xgb.ExtLock.Unlock()
return nil
}
@@ -76,6 +75,8 @@ type CapableCookie struct {
// Capable sends a checked request.
// If an error occurs, it will be returned with the reply by calling CapableCookie.Reply()
func Capable(c *xgb.Conn) CapableCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["DPMS"]; !ok {
panic("Cannot issue request 'Capable' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
}
@@ -87,6 +88,8 @@ func Capable(c *xgb.Conn) CapableCookie {
// CapableUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func CapableUnchecked(c *xgb.Conn) CapableCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["DPMS"]; !ok {
panic("Cannot issue request 'Capable' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
}
@@ -148,7 +151,9 @@ func capableRequest(c *xgb.Conn) []byte {
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["DPMS"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 1 // request opcode
@@ -168,6 +173,8 @@ type DisableCookie struct {
// Disable sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func Disable(c *xgb.Conn) DisableCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["DPMS"]; !ok {
panic("Cannot issue request 'Disable' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
}
@@ -179,6 +186,8 @@ func Disable(c *xgb.Conn) DisableCookie {
// DisableChecked sends a checked request.
// If an error occurs, it can be retrieved using DisableCookie.Check()
func DisableChecked(c *xgb.Conn) DisableCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["DPMS"]; !ok {
panic("Cannot issue request 'Disable' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
}
@@ -200,7 +209,9 @@ func disableRequest(c *xgb.Conn) []byte {
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["DPMS"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 5 // request opcode
@@ -220,6 +231,8 @@ type EnableCookie struct {
// Enable sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func Enable(c *xgb.Conn) EnableCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["DPMS"]; !ok {
panic("Cannot issue request 'Enable' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
}
@@ -231,6 +244,8 @@ func Enable(c *xgb.Conn) EnableCookie {
// EnableChecked sends a checked request.
// If an error occurs, it can be retrieved using EnableCookie.Check()
func EnableChecked(c *xgb.Conn) EnableCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["DPMS"]; !ok {
panic("Cannot issue request 'Enable' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
}
@@ -252,7 +267,9 @@ func enableRequest(c *xgb.Conn) []byte {
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["DPMS"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 4 // request opcode
@@ -272,6 +289,8 @@ type ForceLevelCookie struct {
// ForceLevel sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func ForceLevel(c *xgb.Conn, PowerLevel uint16) ForceLevelCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["DPMS"]; !ok {
panic("Cannot issue request 'ForceLevel' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
}
@@ -283,6 +302,8 @@ func ForceLevel(c *xgb.Conn, PowerLevel uint16) ForceLevelCookie {
// ForceLevelChecked sends a checked request.
// If an error occurs, it can be retrieved using ForceLevelCookie.Check()
func ForceLevelChecked(c *xgb.Conn, PowerLevel uint16) ForceLevelCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["DPMS"]; !ok {
panic("Cannot issue request 'ForceLevel' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
}
@@ -304,7 +325,9 @@ func forceLevelRequest(c *xgb.Conn, PowerLevel uint16) []byte {
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["DPMS"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 6 // request opcode
@@ -327,6 +350,8 @@ type GetTimeoutsCookie struct {
// GetTimeouts sends a checked request.
// If an error occurs, it will be returned with the reply by calling GetTimeoutsCookie.Reply()
func GetTimeouts(c *xgb.Conn) GetTimeoutsCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["DPMS"]; !ok {
panic("Cannot issue request 'GetTimeouts' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
}
@@ -338,6 +363,8 @@ func GetTimeouts(c *xgb.Conn) GetTimeoutsCookie {
// GetTimeoutsUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func GetTimeoutsUnchecked(c *xgb.Conn) GetTimeoutsCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["DPMS"]; !ok {
panic("Cannot issue request 'GetTimeouts' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
}
@@ -403,7 +430,9 @@ func getTimeoutsRequest(c *xgb.Conn) []byte {
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["DPMS"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 2 // request opcode
@@ -423,6 +452,8 @@ type GetVersionCookie struct {
// GetVersion sends a checked request.
// If an error occurs, it will be returned with the reply by calling GetVersionCookie.Reply()
func GetVersion(c *xgb.Conn, ClientMajorVersion uint16, ClientMinorVersion uint16) GetVersionCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["DPMS"]; !ok {
panic("Cannot issue request 'GetVersion' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
}
@@ -434,6 +465,8 @@ func GetVersion(c *xgb.Conn, ClientMajorVersion uint16, ClientMinorVersion uint1
// GetVersionUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func GetVersionUnchecked(c *xgb.Conn, ClientMajorVersion uint16, ClientMinorVersion uint16) GetVersionCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["DPMS"]; !ok {
panic("Cannot issue request 'GetVersion' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
}
@@ -492,7 +525,9 @@ func getVersionRequest(c *xgb.Conn, ClientMajorVersion uint16, ClientMinorVersio
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["DPMS"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 0 // request opcode
@@ -518,6 +553,8 @@ type InfoCookie struct {
// Info sends a checked request.
// If an error occurs, it will be returned with the reply by calling InfoCookie.Reply()
func Info(c *xgb.Conn) InfoCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["DPMS"]; !ok {
panic("Cannot issue request 'Info' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
}
@@ -529,6 +566,8 @@ func Info(c *xgb.Conn) InfoCookie {
// InfoUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func InfoUnchecked(c *xgb.Conn) InfoCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["DPMS"]; !ok {
panic("Cannot issue request 'Info' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
}
@@ -594,7 +633,9 @@ func infoRequest(c *xgb.Conn) []byte {
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["DPMS"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 7 // request opcode
@@ -614,6 +655,8 @@ type SetTimeoutsCookie struct {
// SetTimeouts sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func SetTimeouts(c *xgb.Conn, StandbyTimeout uint16, SuspendTimeout uint16, OffTimeout uint16) SetTimeoutsCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["DPMS"]; !ok {
panic("Cannot issue request 'SetTimeouts' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
}
@@ -625,6 +668,8 @@ func SetTimeouts(c *xgb.Conn, StandbyTimeout uint16, SuspendTimeout uint16, OffT
// SetTimeoutsChecked sends a checked request.
// If an error occurs, it can be retrieved using SetTimeoutsCookie.Check()
func SetTimeoutsChecked(c *xgb.Conn, StandbyTimeout uint16, SuspendTimeout uint16, OffTimeout uint16) SetTimeoutsCookie {
c.ExtLock.RLock()
defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["DPMS"]; !ok {
panic("Cannot issue request 'SetTimeouts' using the uninitialized extension 'DPMS'. dpms.Init(connObj) must be called first.")
}
@@ -646,7 +691,9 @@ func setTimeoutsRequest(c *xgb.Conn, StandbyTimeout uint16, SuspendTimeout uint1
b := 0
buf := make([]byte, size)
c.ExtLock.RLock()
buf[b] = c.Extensions["DPMS"]
c.ExtLock.RUnlock()
b += 1
buf[b] = 3 // request opcode