Way to miss two files KLS - doh

2026-08-30 17:58:16 +00:00 · 2013-02-17 11:35:50 -08:00
parent 06a3873c9b
commit 1c0f35a945
2 changed files with 149 additions and 0 deletions
@@ -0,0 +1,102 @@
+#include "ipc_mutex.h"
+#ifdef _WINDOWS
+#include <Windows.h>
+#else
+#include <fcntl.h>
+#include <sys/stat.h>
+#include <semaphore.h>
+#include <unistd.h>
+#include <time.h>
+#endif
+#include "types.h"
+#include "eqemu_exception.h"
+
+
+namespace EQEmu {
+    struct IPCMutex::Implementation {
+#ifdef _WINDOWS
+        HANDLE mut_;
+#else
+        sem_t *sem_;
+#endif
+    };
+
+    IPCMutex::IPCMutex(std::string name) : locked_(false) {
+        imp_ = new Implementation;
+#ifdef _WINDOWS
+        std::string final_name = "EQEmuMutex_";
+        final_name += name;
+
+        imp_->mut_ = CreateMutex(NULL,
+            FALSE,
+            final_name.c_str());
+
+        if(!imp_->mut_) {
+            EQ_EXCEPT("IPC Mutex", "Could not create mutex.");
+        }
+#else
+        std::string final_name = "/EQEmuMutex_";
+        final_name += name;
+        
+        imp_->sem_ = sem_open(final_name.c_str(), O_CREAT, S_IRUSR | S_IWUSR, 1);
+        if(imp_->sem_ == SEM_FAILED) {
+                EQ_EXCEPT("IPC Mutex", "Could not create mutex.");
+        }
+#endif
+    }
+
+    IPCMutex::~IPCMutex() {
+#ifdef _WINDOWS
+        if(imp_->mut_) {
+            if(locked_) {
+                ReleaseMutex(imp_->mut_);
+            }
+            CloseHandle(imp_->mut_);
+        }
+#else
+        if(imp_->sem_) {
+            if(locked_) {
+                sem_post(imp_->sem_);
+            }
+            sem_close(imp_->sem_);
+        }
+#endif
+        delete imp_;
+    }
+
+    bool IPCMutex::Lock() {
+        if(locked_) {
+            return false;
+        }
+
+#ifdef _WINDOWS
+        DWORD wait_result = WaitForSingleObject(imp_->mut_, INFINITE);
+        if(wait_result != WAIT_OBJECT_0) {
+            return false;
+        }
+#else
+        if(sem_wait(imp_->sem_) == -1) {
+            return false;
+        }
+#endif
+        locked_ = true;
+        return true;
+    }
+
+    bool IPCMutex::Unlock() {
+        if(!locked_) {
+            return false;
+        }
+#ifdef _WINDOWS
+        if(!ReleaseMutex(imp_->mut_)) {
+            return false;
+        }
+#else
+        if(sem_post(imp_->sem_) == -1) {
+            return false;
+        }
+#endif
+        locked_ = false;
+        return true;
+    }
+}