--- /dev/null
+#include "TSRM.h"
+#include <stdio.h>
+
+typedef struct _tsrm_tls_entry tsrm_tls_entry;
+
+struct _tsrm_tls_entry {
+ void **storage;
+ int count;
+ THREAD_T thread_id;
+ tsrm_tls_entry *next;
+};
+
+
+typedef struct {
+ size_t size;
+ void (*ctor)(void *resource);
+ void (*dtor)(void *resource);
+} tsrm_resource_type;
+
+
+/* The memory manager table */
+static tsrm_tls_entry **tsrm_tls_table;
+static int tsrm_tls_table_size;
+static ts_rsrc_id id_count;
+
+/* The resource sizes table */
+static tsrm_resource_type *resource_types_table;
+static int resource_types_table_size;
+
+
+static MUTEX_T tsmm_mutex; /* thread-safe memory manager mutex */
+
+/* Debug support */
+static int tsrm_debug(const char *format, ...);
+static int tsrm_debug_status;
+
+
+/* Startup TSRM (call once for the entire process) */
+int tsrm_startup(int expected_threads, int expected_resources, int debug_status)
+{
+ tsrm_tls_table_size = expected_threads;
+ tsrm_tls_table = (tsrm_tls_entry **) calloc(tsrm_tls_table_size, sizeof(tsrm_tls_entry *));
+ if (!tsrm_tls_table) {
+ return 0;
+ }
+ id_count=0;
+
+ resource_types_table_size = expected_resources;
+ resource_types_table = (tsrm_resource_type *) calloc(resource_types_table_size, sizeof(tsrm_resource_type));
+ if (!resource_types_table) {
+ free(tsrm_tls_table);
+ return 0;
+ }
+
+ tsmm_mutex = tsrm_mutex_alloc();
+
+ tsrm_debug_status = debug_status;
+
+ tsrm_debug("Started up TSRM, %d expected threads, %d expected resources\n", expected_threads, expected_resources);
+ return 1;
+}
+
+
+/* Shutdown TSRM (call once for the entire process) */
+void tsrm_shutdown()
+{
+ int i;
+
+ if (tsrm_tls_table) {
+ for (i=0; i<tsrm_tls_table_size; i++) {
+ tsrm_tls_entry *p = tsrm_tls_table[i], *next_p;
+
+ while (p) {
+ int j;
+
+ next_p = p->next;
+ for (j=0; j<id_count; j++) {
+ free(p->storage[j]);
+ }
+ free(p->storage);
+ free(p);
+ p = next_p;
+ }
+ }
+ free(tsrm_tls_table);
+ }
+ if (resource_types_table) {
+ free(resource_types_table);
+ }
+ tsrm_mutex_free(tsmm_mutex);
+ tsrm_debug("Shutdown TSRM\n");
+}
+
+
+/* allocates a new thread-safe-resource id */
+TSRM_FUNC ts_rsrc_id ts_allocate_id(size_t size, void (*ctor)(void *resource), void (*dtor)(void *resource))
+{
+ ts_rsrc_id new_id;
+ int i;
+
+ tsrm_debug("Obtaining a new resource id, %d bytes\n", size);
+
+ tsrm_mutex_lock(tsmm_mutex);
+
+ /* obtain a resource id */
+ new_id = id_count++;
+ tsrm_debug("Obtained resource id %d\n", new_id);
+
+ /* store the new resource type in the resource sizes table */
+ if (resource_types_table_size < id_count) {
+ resource_types_table = (tsrm_resource_type *) realloc(resource_types_table, sizeof(tsrm_resource_type)*id_count);
+ if (!resource_types_table) {
+ return -1;
+ }
+ resource_types_table_size = id_count;
+ }
+ resource_types_table[new_id].size = size;
+ resource_types_table[new_id].ctor = ctor;
+ resource_types_table[new_id].dtor = dtor;
+
+ /* enlarge the arrays for the already active threads */
+ for (i=0; i<tsrm_tls_table_size; i++) {
+ tsrm_tls_entry *p = tsrm_tls_table[i];
+
+ while (p) {
+ if (p->count < id_count) {
+ int j;
+
+ p->storage = realloc(p->storage, sizeof(void *)*id_count);
+ for (j=p->count; j<id_count; j++) {
+ p->storage[j] = (void *) malloc(resource_types_table[j].size);
+ }
+ p->count = id_count;
+ }
+ p = p->next;
+ }
+ }
+ tsrm_mutex_unlock(tsmm_mutex);
+
+ tsrm_debug("Successfully allocated new resource id %d\n", new_id);
+ return new_id;
+}
+
+
+static void allocate_new_resource(tsrm_tls_entry **thread_resources_ptr, THREAD_T thread_id)
+{
+ int i;
+
+ (*thread_resources_ptr) = (tsrm_tls_entry *) malloc(sizeof(tsrm_tls_entry));
+ (*thread_resources_ptr)->storage = (void **) malloc(sizeof(void *)*id_count);
+ (*thread_resources_ptr)->count = id_count;
+ (*thread_resources_ptr)->thread_id = thread_id;
+ (*thread_resources_ptr)->next = NULL;
+ for (i=0; i<id_count; i++) {
+ (*thread_resources_ptr)->storage[i] = (void *) malloc(resource_types_table[i].size);
+ resource_types_table[i].ctor((*thread_resources_ptr)->storage[i]);
+ }
+}
+
+
+/* fetches the requested resource for the current thread */
+void *ts_resource(ts_rsrc_id id)
+{
+ THREAD_T thread_id = tsrm_thread_id();
+ int hash_value;
+ tsrm_tls_entry *thread_resources;
+ void *resource;
+
+ tsrm_debug("Fetching resource id %d for thread %ld\n", id, (long) thread_id);
+ tsrm_mutex_lock(tsmm_mutex);
+
+ hash_value = THREAD_HASH_OF(thread_id, tsrm_tls_table_size);
+ thread_resources = tsrm_tls_table[hash_value];
+
+ if (!thread_resources) {
+ allocate_new_resource(&tsrm_tls_table[hash_value], thread_id);
+ thread_resources = tsrm_tls_table[hash_value];
+ } else {
+ do {
+ if (thread_resources->thread_id == thread_id) {
+ break;
+ }
+ if (thread_resources->next) {
+ thread_resources = thread_resources->next;
+ } else {
+ allocate_new_resource(&thread_resources->next, thread_id);
+ thread_resources = thread_resources->next;
+ break;
+ }
+ } while (thread_resources);
+ }
+
+ resource = thread_resources->storage[id];
+
+ tsrm_mutex_unlock(tsmm_mutex);
+
+ tsrm_debug("Successfully fetched resource id %d for thread id %ld - %x\n", id, (long) thread_id, (long) resource);
+ return resource;
+}
+
+
+/* frees all resources allocated for the current thread */
+void ts_free_thread()
+{
+ THREAD_T thread_id = tsrm_thread_id();
+ int hash_value;
+ tsrm_tls_entry *thread_resources;
+ tsrm_tls_entry *last=NULL;
+
+ tsrm_mutex_lock(tsmm_mutex);
+ hash_value = THREAD_HASH_OF(thread_id, tsrm_tls_table_size);
+ thread_resources = tsrm_tls_table[hash_value];
+
+ while (thread_resources) {
+ if (thread_resources->thread_id == thread_id) {
+ int i;
+
+ for (i=0; i<thread_resources->count; i++) {
+ resource_types_table[i].dtor(thread_resources->storage[i]);
+ free(thread_resources->storage[i]);
+ }
+ free(thread_resources->storage);
+ if (last) {
+ last->next = thread_resources->next;
+ } else {
+ tsrm_tls_table[hash_value]=NULL;
+ }
+ free(thread_resources);
+ break;
+ }
+ if (thread_resources->next) {
+ last = thread_resources;
+ thread_resources = thread_resources->next;
+ }
+ }
+ tsrm_mutex_unlock(tsmm_mutex);
+}
+
+
+/* deallocates all occurrences of a given id */
+void ts_free_id(ts_rsrc_id id)
+{
+}
+
+
+
+
+/*
+ * Utility Functions
+ */
+
+/* Obtain the current thread id */
+TSRM_FUNC THREAD_T tsrm_thread_id(void)
+{
+#ifdef WIN32
+ return GetCurrentThreadId();
+#elif defined(PTHREADS)
+ return pthread_self();
+#elif defined(NSAPI)
+ return systhread_current();
+#elif defined(PI3WEB)
+ return PIThread_getCurrent();
+#endif
+}
+
+
+/* Allocate a mutex */
+TSRM_FUNC MUTEX_T tsrm_mutex_alloc( void )
+{
+ MUTEX_T mutexp;
+
+#ifdef WIN32
+ mutexp = CreateMutex(NULL,FALSE,NULL);
+#elif defined(PTHREADS)
+ mutexp = (pthread_mutex_t *)malloc(sizeof(pthread_mutex_t));
+ pthread_mutex_init(mutexp,NULL);
+#elif defined(NSAPI)
+ mutexp = crit_init();
+#elif defined(PI3WEB)
+ mutexp = PIPlatform_allocLocalMutex();
+#endif
+#ifdef THR_DEBUG
+ printf("Mutex created thread: %d\n",mythreadid());
+#endif
+ return( mutexp );
+}
+
+
+/* Free a mutex */
+TSRM_FUNC void tsrm_mutex_free( MUTEX_T mutexp )
+{
+ if (mutexp) {
+#ifdef WIN32
+ CloseHandle(mutexp);
+#elif defined(PTHREADS)
+ free(mutexp);
+#elif defined(NSAPI)
+ crit_terminate(mutexp);
+#elif defined(PI3WEB)
+ PISync_delete(mutexp)
+#endif
+ }
+#ifdef THR_DEBUG
+ printf("Mutex freed thread: %d\n",mythreadid());
+#endif
+}
+
+
+/* Lock a mutex */
+TSRM_FUNC int tsrm_mutex_lock( MUTEX_T mutexp )
+{
+ //tsrm_debug("Mutex locked thread: %ld\n",tsrm_thread_id());
+#ifdef WIN32
+ return WaitForSingleObject(mutexp,1000);
+#elif defined(PTHREADS)
+ return pthread_mutex_lock(mutexp);
+#elif defined(NSAPI)
+ return crit_enter(mutexp);
+#elif defined(PI3WEB)
+ return PISync_lock(mutexp);
+#endif
+}
+
+
+/* Unlock a mutex */
+TSRM_FUNC int tsrm_mutex_unlock( MUTEX_T mutexp )
+{
+ //tsrm_debug("Mutex unlocked thread: %ld\n",tsrm_thread_id());
+#ifdef WIN32
+ return ReleaseMutex(mutexp);
+#elif defined(PTHREADS)
+ return pthread_mutex_unlock(mutexp);
+#elif defined(NSAPI)
+ return crit_exit(mutexp);
+#elif defined(PI3WEB)
+ return PISync_unlock(mutexp);
+#endif
+}
+
+
+/*
+ * Debug support
+ */
+
+static int tsrm_debug(const char *format, ...)
+{
+ if (tsrm_debug_status) {
+ va_list args;
+ int size;
+
+ va_start(args, format);
+ size = vprintf(format, args);
+ va_end(args);
+ return size;
+ } else {
+ return 0;
+ }
+}
+
+
+void tsrm_debug_set(int status)
+{
+ tsrm_debug_status = status;
+}
\ No newline at end of file
--- /dev/null
+# Microsoft Developer Studio Project File - Name="TSRM" - Package Owner=<4>
+# Microsoft Developer Studio Generated Build File, Format Version 6.00
+# ** DO NOT EDIT **
+
+# TARGTYPE "Win32 (x86) Static Library" 0x0104
+
+CFG=TSRM - Win32 Debug
+!MESSAGE This is not a valid makefile. To build this project using NMAKE,
+!MESSAGE use the Export Makefile command and run
+!MESSAGE
+!MESSAGE NMAKE /f "TSRM.mak".
+!MESSAGE
+!MESSAGE You can specify a configuration when running NMAKE
+!MESSAGE by defining the macro CFG on the command line. For example:
+!MESSAGE
+!MESSAGE NMAKE /f "TSRM.mak" CFG="TSRM - Win32 Debug"
+!MESSAGE
+!MESSAGE Possible choices for configuration are:
+!MESSAGE
+!MESSAGE "TSRM - Win32 Release" (based on "Win32 (x86) Static Library")
+!MESSAGE "TSRM - Win32 Debug" (based on "Win32 (x86) Static Library")
+!MESSAGE
+
+# Begin Project
+# PROP AllowPerConfigDependencies 0
+# PROP Scc_ProjName ""
+# PROP Scc_LocalPath ""
+CPP=cl.exe
+RSC=rc.exe
+
+!IF "$(CFG)" == "TSRM - Win32 Release"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 0
+# PROP BASE Output_Dir "Release"
+# PROP BASE Intermediate_Dir "Release"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 0
+# PROP Output_Dir "Release"
+# PROP Intermediate_Dir "Release"
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_MBCS" /D "_LIB" /YX /FD /c
+# ADD CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_MBCS" /D "_LIB" /YX /FD /c
+# ADD BASE RSC /l 0x40d /d "NDEBUG"
+# ADD RSC /l 0x40d /d "NDEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LIB32=link.exe -lib
+# ADD BASE LIB32 /nologo
+# ADD LIB32 /nologo
+
+!ELSEIF "$(CFG)" == "TSRM - Win32 Debug"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 1
+# PROP BASE Output_Dir "Debug"
+# PROP BASE Intermediate_Dir "Debug"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 1
+# PROP Output_Dir "Debug"
+# PROP Intermediate_Dir "Debug"
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_MBCS" /D "_LIB" /YX /FD /GZ /c
+# ADD CPP /nologo /W3 /Gm /GX /ZI /Od /I "C:\Projects\TSRM" /D "WIN32" /D "_DEBUG" /D "_MBCS" /D "_LIB" /YX /FD /GZ /c
+# ADD BASE RSC /l 0x40d /d "_DEBUG"
+# ADD RSC /l 0x40d /d "_DEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LIB32=link.exe -lib
+# ADD BASE LIB32 /nologo
+# ADD LIB32 /nologo
+
+!ENDIF
+
+# Begin Target
+
+# Name "TSRM - Win32 Release"
+# Name "TSRM - Win32 Debug"
+# Begin Group "Source Files"
+
+# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"
+# Begin Source File
+
+SOURCE=.\TSRM.c
+# End Source File
+# End Group
+# Begin Group "Header Files"
+
+# PROP Default_Filter "h;hpp;hxx;hm;inl"
+# Begin Source File
+
+SOURCE=.\TSRM.h
+# End Source File
+# End Group
+# End Target
+# End Project
projects / php / commitdiff