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authoraarzilli <alessandro.arzilli@gmail.com>2016-03-01 15:41:38 +0100
committerPřemysl Janouch <p@janouch.name>2018-09-08 16:49:24 +0200
commitbecaf43dcb3e9832c3eb951ff9908ed697868152 (patch)
treef2a45ac253c5ec8265efa78f1d4a2c993153fe18 /nexgb/res/res.go
parentbaff8c19067489ea26bbb804ef693e966202b511 (diff)
downloadhaven-becaf43dcb3e9832c3eb951ff9908ed697868152.tar.gz
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Read/Write mutex for Extensions map
Diffstat (limited to 'nexgb/res/res.go')
-rw-r--r--nexgb/res/res.go41
1 files changed, 38 insertions, 3 deletions
diff --git a/nexgb/res/res.go b/nexgb/res/res.go
index dd53857..e3d7b02 100644
--- a/nexgb/res/res.go
+++ b/nexgb/res/res.go
@@ -19,16 +19,15 @@ func Init(c *xgb.Conn) error {
return xgb.Errorf("No extension named X-Resource could be found on on the server.")
}
- xgb.ExtLock.Lock()
+ c.ExtLock.Lock()
c.Extensions["X-Resource"] = reply.MajorOpcode
+ c.ExtLock.Unlock()
for evNum, fun := range xgb.NewExtEventFuncs["X-Resource"] {
xgb.NewEventFuncs[int(reply.FirstEvent)+evNum] = fun
}
for errNum, fun := range xgb.NewExtErrorFuncs["X-Resource"] {
xgb.NewErrorFuncs[int(reply.FirstError)+errNum] = fun
}
- xgb.ExtLock.Unlock()
-
return nil
}
@@ -511,6 +510,8 @@ type QueryClientIdsCookie struct {
// QueryClientIds sends a checked request.
// If an error occurs, it will be returned with the reply by calling QueryClientIdsCookie.Reply()
func QueryClientIds(c *xgb.Conn, NumSpecs uint32, Specs []ClientIdSpec) QueryClientIdsCookie {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["X-Resource"]; !ok {
panic("Cannot issue request 'QueryClientIds' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.")
}
@@ -522,6 +523,8 @@ func QueryClientIds(c *xgb.Conn, NumSpecs uint32, Specs []ClientIdSpec) QueryCli
// QueryClientIdsUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func QueryClientIdsUnchecked(c *xgb.Conn, NumSpecs uint32, Specs []ClientIdSpec) QueryClientIdsCookie {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["X-Resource"]; !ok {
panic("Cannot issue request 'QueryClientIds' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.")
}
@@ -583,7 +586,9 @@ func queryClientIdsRequest(c *xgb.Conn, NumSpecs uint32, Specs []ClientIdSpec) [
b := 0
buf := make([]byte, size)
+ c.ExtLock.RLock()
buf[b] = c.Extensions["X-Resource"]
+ c.ExtLock.RUnlock()
b += 1
buf[b] = 4 // request opcode
@@ -608,6 +613,8 @@ type QueryClientPixmapBytesCookie struct {
// QueryClientPixmapBytes sends a checked request.
// If an error occurs, it will be returned with the reply by calling QueryClientPixmapBytesCookie.Reply()
func QueryClientPixmapBytes(c *xgb.Conn, Xid uint32) QueryClientPixmapBytesCookie {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["X-Resource"]; !ok {
panic("Cannot issue request 'QueryClientPixmapBytes' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.")
}
@@ -619,6 +626,8 @@ func QueryClientPixmapBytes(c *xgb.Conn, Xid uint32) QueryClientPixmapBytesCooki
// QueryClientPixmapBytesUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func QueryClientPixmapBytesUnchecked(c *xgb.Conn, Xid uint32) QueryClientPixmapBytesCookie {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["X-Resource"]; !ok {
panic("Cannot issue request 'QueryClientPixmapBytes' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.")
}
@@ -677,7 +686,9 @@ func queryClientPixmapBytesRequest(c *xgb.Conn, Xid uint32) []byte {
b := 0
buf := make([]byte, size)
+ c.ExtLock.RLock()
buf[b] = c.Extensions["X-Resource"]
+ c.ExtLock.RUnlock()
b += 1
buf[b] = 3 // request opcode
@@ -700,6 +711,8 @@ type QueryClientResourcesCookie struct {
// QueryClientResources sends a checked request.
// If an error occurs, it will be returned with the reply by calling QueryClientResourcesCookie.Reply()
func QueryClientResources(c *xgb.Conn, Xid uint32) QueryClientResourcesCookie {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["X-Resource"]; !ok {
panic("Cannot issue request 'QueryClientResources' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.")
}
@@ -711,6 +724,8 @@ func QueryClientResources(c *xgb.Conn, Xid uint32) QueryClientResourcesCookie {
// QueryClientResourcesUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func QueryClientResourcesUnchecked(c *xgb.Conn, Xid uint32) QueryClientResourcesCookie {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["X-Resource"]; !ok {
panic("Cannot issue request 'QueryClientResources' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.")
}
@@ -772,7 +787,9 @@ func queryClientResourcesRequest(c *xgb.Conn, Xid uint32) []byte {
b := 0
buf := make([]byte, size)
+ c.ExtLock.RLock()
buf[b] = c.Extensions["X-Resource"]
+ c.ExtLock.RUnlock()
b += 1
buf[b] = 2 // request opcode
@@ -795,6 +812,8 @@ type QueryClientsCookie struct {
// QueryClients sends a checked request.
// If an error occurs, it will be returned with the reply by calling QueryClientsCookie.Reply()
func QueryClients(c *xgb.Conn) QueryClientsCookie {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["X-Resource"]; !ok {
panic("Cannot issue request 'QueryClients' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.")
}
@@ -806,6 +825,8 @@ func QueryClients(c *xgb.Conn) QueryClientsCookie {
// QueryClientsUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func QueryClientsUnchecked(c *xgb.Conn) QueryClientsCookie {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["X-Resource"]; !ok {
panic("Cannot issue request 'QueryClients' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.")
}
@@ -867,7 +888,9 @@ func queryClientsRequest(c *xgb.Conn) []byte {
b := 0
buf := make([]byte, size)
+ c.ExtLock.RLock()
buf[b] = c.Extensions["X-Resource"]
+ c.ExtLock.RUnlock()
b += 1
buf[b] = 1 // request opcode
@@ -887,6 +910,8 @@ type QueryResourceBytesCookie struct {
// QueryResourceBytes sends a checked request.
// If an error occurs, it will be returned with the reply by calling QueryResourceBytesCookie.Reply()
func QueryResourceBytes(c *xgb.Conn, Client uint32, NumSpecs uint32, Specs []ResourceIdSpec) QueryResourceBytesCookie {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["X-Resource"]; !ok {
panic("Cannot issue request 'QueryResourceBytes' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.")
}
@@ -898,6 +923,8 @@ func QueryResourceBytes(c *xgb.Conn, Client uint32, NumSpecs uint32, Specs []Res
// QueryResourceBytesUnchecked sends an unchecked request.
// If an error occurs, it can only be retrieved using xgb.WaitForEvent or xgb.PollForEvent.
func QueryResourceBytesUnchecked(c *xgb.Conn, Client uint32, NumSpecs uint32, Specs []ResourceIdSpec) QueryResourceBytesCookie {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["X-Resource"]; !ok {
panic("Cannot issue request 'QueryResourceBytes' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.")
}
@@ -959,7 +986,9 @@ func queryResourceBytesRequest(c *xgb.Conn, Client uint32, NumSpecs uint32, Spec
b := 0
buf := make([]byte, size)
+ c.ExtLock.RLock()
buf[b] = c.Extensions["X-Resource"]
+ c.ExtLock.RUnlock()
b += 1
buf[b] = 5 // request opcode
@@ -987,6 +1016,8 @@ 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, ClientMajor byte, ClientMinor byte) QueryVersionCookie {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["X-Resource"]; !ok {
panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.")
}
@@ -998,6 +1029,8 @@ func QueryVersion(c *xgb.Conn, ClientMajor byte, ClientMinor byte) QueryVersionC
// 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, ClientMajor byte, ClientMinor byte) QueryVersionCookie {
+ c.ExtLock.RLock()
+ defer c.ExtLock.RUnlock()
if _, ok := c.Extensions["X-Resource"]; !ok {
panic("Cannot issue request 'QueryVersion' using the uninitialized extension 'X-Resource'. res.Init(connObj) must be called first.")
}
@@ -1056,7 +1089,9 @@ func queryVersionRequest(c *xgb.Conn, ClientMajor byte, ClientMinor byte) []byte
b := 0
buf := make([]byte, size)
+ c.ExtLock.RLock()
buf[b] = c.Extensions["X-Resource"]
+ c.ExtLock.RUnlock()
b += 1
buf[b] = 0 // request opcode