--- /dev/null
+/*
+ +----------------------------------------------------------------------+
+ | PHP version 4.0 |
+ +----------------------------------------------------------------------+
+ | Copyright (c) 1997, 1998, 1999, 2000 The PHP Group |
+ +----------------------------------------------------------------------+
+ | This source file is subject to version 2.02 of the PHP license, |
+ | that is bundled with this package in the file LICENSE, and is |
+ | available at through the world-wide-web at |
+ | http://www.php.net/license/2_02.txt. |
+ | If you did not receive a copy of the PHP license and are unable to |
+ | obtain it through the world-wide-web, please send a note to |
+ | license@php.net so we can mail you a copy immediately. |
+ +----------------------------------------------------------------------+
+ | Author: David Hedbor <neotron@php.net> |
+ | Based on aolserver SAPI by Sascha Schumann <sascha@schumann.cx> |
+ +----------------------------------------------------------------------+
+ */
+
+/* $Id$ */
+
+#include "php.h"
+#ifdef HAVE_CAUDIUM
+
+#include "php_ini.h"
+#include "php_globals.h"
+#include "SAPI.h"
+#include "php_main.h"
+#include "ext/standard/info.h"
+
+#include "php_version.h"
+
+/* Pike Include Files
+ *
+ * conflicts with pike avoided by only using long names. Requires a new
+ * Pike 0.7 since it was implemented for this interface only.
+ *
+ */
+#define NO_PIKE_SHORTHAND
+
+#include <fdlib.h>
+#include <program.h>
+#include <pike_types.h>
+#include <interpret.h>
+#include <module_support.h>
+#include <error.h>
+#include <array.h>
+#include <backend.h>
+#include <stralloc.h>
+#include <mapping.h>
+#include <object.h>
+#include <threads.h>
+#include <builtin_functions.h>
+#include <operators.h>
+
+#ifndef ZTS
+/* Need thread safety */
+#error You need to compile PHP with threads.
+#endif
+
+#ifndef PIKE_THREADS
+#error The PHP4 module requires that your Pike has thread support.
+#endif
+
+#undef HIDE_GLOBAL_VARIABLES
+#undef REVEAL_GLOBAL_VARIABLES
+#define HIDE_GLOBAL_VARIABLES()
+#define REVEAL_GLOBAL_VARIABLES()
+
+/* php_caudium_request is per-request object storage */
+
+typedef struct
+{
+ struct mapping *request_data;
+ struct object *my_fd_obj;
+ struct svalue done_cb;
+ struct pike_string *filename;
+ int my_fd;
+ SLS_D;
+} php_caudium_request;
+
+
+void pike_module_init(void);
+void pike_module_exit(void);
+static void free_struct(SLS_D);
+void f_php_caudium_request_handler(INT32 args);
+
+/* Defines to get to the data supplied when the script is started. */
+
+/* Per thread storage area id... */
+static int caudium_globals_id;
+
+#define GET_THIS() php_caudium_request *_request = ts_resource(caudium_globals_id)
+#define THIS _request
+#define PTHIS ((php_caudium_request *)(Pike_fp->current_storage))
+/* File descriptor integer. Used to write directly to the FD without
+ * passing Pike
+ */
+#define MY_FD (THIS->my_fd)
+
+/* FD object. Really a PHPScript object from Pike which implements a couple
+ * of functions to handle headers, writing and buffering.
+ */
+#define MY_FD_OBJ ((struct object *)(THIS->my_fd_obj))
+
+/* Mapping with data supplied from the calling Caudium module. Contains
+ * a mapping with headers, an FD object etc.
+ */
+#define REQUEST_DATA ((struct mapping *)(THIS->request_data))
+
+
+#if 0 && defined(_REENTRANT) && !defined(CAUDIUM_USE_ZTS)
+/* Lock used to serialize the PHP execution. If CAUDIUM_USE_ZTS is defined, we
+ * are using the PHP thread safe mechanism instead.
+ */
+static PIKE_MUTEX_T caudium_php_execution_lock;
+# define PHP_INIT_LOCK() mt_init(&caudium_php_execution_lock)
+# define PHP_LOCK(X) THREADS_ALLOW();mt_lock(&caudium_php_execution_lock);THREADS_DISALLOW()
+# define PHP_UNLOCK(X) mt_unlock(&caudium_php_execution_lock);
+# define PHP_DESTROY() mt_destroy(&caudium_php_execution_lock)
+#else /* !_REENTRANT */
+# define PHP_INIT_LOCK()
+# define PHP_LOCK(X)
+# define PHP_UNLOCK(X)
+# define PHP_DESTROY()
+#endif /* _REENTRANT */
+
+extern int fd_from_object(struct object *o);
+static unsigned char caudium_php_initialized;
+
+/* This allows calling of pike functions from the PHP callbacks,
+ * which requires the Pike interpreter to be locked.
+ */
+#define THREAD_SAFE_RUN(COMMAND, what) do {\
+ struct thread_state *state;\
+ if((state = thread_state_for_id(th_self()))!=NULL) {\
+ if(!state->swapped) {\
+ COMMAND;\
+ } else {\
+ mt_lock(&interpreter_lock);\
+ SWAP_IN_THREAD(state);\
+ COMMAND;\
+ SWAP_OUT_THREAD(state);\
+ mt_unlock(&interpreter_lock);\
+ }\
+ }\
+} while(0)
+
+struct program *php_program;
+
+
+/* To avoid executing a PHP script from a PHP callback, which would
+ * create a deadlock, a global thread id is used. If the thread calling the
+ * php-script is the same as the current thread, it fails.
+ */
+//static int current_thread = -1;
+
+
+/* Low level header lookup. Basically looks for the named header in the mapping
+ * headers in the supplied options mapping.
+ */
+
+INLINE static struct svalue *lookup_header(char *headername)
+{
+ struct svalue *headers, *value;
+ struct pike_string *sind;
+ GET_THIS();
+ sind = make_shared_string("env");
+ headers = low_mapping_string_lookup(REQUEST_DATA, sind);
+ free_string(sind);
+ if(!headers || headers->type != PIKE_T_MAPPING) return NULL;
+ sind = make_shared_string(headername);
+ value = low_mapping_string_lookup(headers->u.mapping, sind);
+ free_string(sind);
+ if(!value) return NULL;
+ return value;
+}
+
+/* Lookup a header in the mapping and return the value as a string, or
+ * return the default if it's missing
+ */
+INLINE static char *lookup_string_header(char *headername, char *default_value)
+{
+ struct svalue *head = NULL;
+ THREAD_SAFE_RUN(head = lookup_header(headername), "header lookup");
+ if(!head || head->type != PIKE_T_STRING)
+ return default_value;
+ return head->u.string->str;
+}
+
+/* Lookup a header in the mapping and return the value as if it's an integer
+ * and otherwise return the default.
+ */
+INLINE static int lookup_integer_header(char *headername, int default_value)
+{
+ struct svalue *head = NULL;
+ THREAD_SAFE_RUN(head = lookup_header(headername), "header lookup");
+ if(!head || head->type != PIKE_T_INT)
+ return default_value;
+ return head->u.integer;
+}
+
+/*
+ * php_caudium_low_ub_write() writes data to the client connection. Might be
+ * rewritten to do more direct IO to save CPU and the need to lock the
+ * interpreter for better threading.
+ */
+
+static int php_caudium_low_ub_write(const char *str, uint str_length) {
+ int sent_bytes = 0;
+ struct pike_string *to_write = NULL;
+ PLS_FETCH();
+ GET_THIS();
+ if(!MY_FD_OBJ->prog) {
+ PG(connection_status) = PHP_CONNECTION_ABORTED;
+ zend_bailout();
+ return -1;
+ }
+ to_write = make_shared_binary_string(str, str_length);
+ push_string(to_write);
+ safe_apply(MY_FD_OBJ, "write", 1);
+ if(Pike_sp[-1].type == PIKE_T_INT)
+ sent_bytes = Pike_sp[-1].u.integer;
+ pop_stack();
+ if(sent_bytes != str_length) {
+ /* This means the connection is closed. Dead. Gone. *sniff* */
+ PG(connection_status) = PHP_CONNECTION_ABORTED;
+ zend_bailout();
+ }
+ return sent_bytes;
+}
+
+/*
+ * php_caudium_sapi_ub_write() calls php_caudium_low_ub_write in a Pike thread
+ * safe manner.
+ */
+
+static int
+php_caudium_sapi_ub_write(const char *str, uint str_length)
+{
+ PLS_FETCH();
+ GET_THIS();
+ int sent_bytes = 0, fd = MY_FD;
+ if(fd)
+ {
+ for(sent_bytes=0;sent_bytes < str_length;)
+ {
+ int written;
+ written = fd_write(fd, str + sent_bytes, str_length - sent_bytes);
+ if(written < 0)
+ {
+ switch(errno)
+ {
+ default:
+ /* This means the connection is closed. Dead. Gone. *sniff* */
+ PG(connection_status) = PHP_CONNECTION_ABORTED;
+ zend_bailout();
+ return sent_bytes;
+ case EINTR:
+ case EWOULDBLOCK:
+ continue;
+ }
+
+ } else {
+ sent_bytes += written;
+ }
+ }
+ } else {
+ THREAD_SAFE_RUN(sent_bytes = php_caudium_low_ub_write(str, str_length),
+ "write");
+ }
+ return sent_bytes;
+}
+
+/* php_caudium_set_header() sets a header in the header mapping. Called in a
+ * thread safe manner from php_caudium_sapi_header_handler.
+ */
+static void php_caudium_set_header(char *header_name, char *value, char *p)
+{
+ struct svalue hsval;
+ struct pike_string *hval, *ind, *hind;
+ struct mapping *headermap;
+ struct svalue *s_headermap;
+ GET_THIS();
+ hval = make_shared_string(value);
+ ind = make_shared_string(" _headers");
+ hind = make_shared_binary_string(header_name,
+ (int)(p - header_name));
+
+ s_headermap = low_mapping_string_lookup(REQUEST_DATA, ind);
+ if(!s_headermap)
+ {
+ struct svalue mappie;
+ mappie.type = PIKE_T_MAPPING;
+ headermap = allocate_mapping(1);
+ mappie.u.mapping = headermap;
+ mapping_string_insert(REQUEST_DATA, ind, &mappie);
+ free_mapping(headermap);
+ } else
+ headermap = s_headermap->u.mapping;
+
+ hsval.type = PIKE_T_STRING;
+ hsval.u.string = hval;
+ mapping_string_insert(headermap, hind, &hsval);
+
+ free_string(hval);
+ free_string(ind);
+ free_string(hind);
+}
+
+/*
+ * php_caudium_sapi_header_handler() sets a HTTP reply header to be
+ * sent to the client.
+ */
+static int
+php_caudium_sapi_header_handler(sapi_header_struct *sapi_header,
+ sapi_headers_struct *sapi_headers SLS_DC)
+{
+ char *header_name, *header_content, *p;
+ header_name = sapi_header->header;
+ header_content = p = strchr(header_name, ':');
+
+ if(p) {
+ do {
+ header_content++;
+ } while(*header_content == ' ');
+ THREAD_SAFE_RUN(php_caudium_set_header(header_name, header_content, p), "header handler");
+ }
+ sapi_free_header(sapi_header);
+ return 0;
+}
+
+/*
+ * php_caudium_sapi_send_headers() flushes the headers to the client.
+ * Called before real content is sent by PHP.
+ */
+
+static int
+php_caudium_low_send_headers(sapi_headers_struct *sapi_headers SLS_DC)
+{
+ PLS_FETCH();
+ struct pike_string *ind;
+ struct svalue *s_headermap;
+ GET_THIS();
+ if(!MY_FD_OBJ->prog) {
+ PG(connection_status) = PHP_CONNECTION_ABORTED;
+ zend_bailout();
+ return SAPI_HEADER_SEND_FAILED;
+ }
+ ind = make_shared_string(" _headers");
+ s_headermap = low_mapping_string_lookup(REQUEST_DATA, ind);
+ free_string(ind);
+
+ push_int(SG(sapi_headers).http_response_code);
+ if(s_headermap && s_headermap->type == PIKE_T_MAPPING)
+ ref_push_mapping(s_headermap->u.mapping);
+ else
+ push_int(0);
+ safe_apply(MY_FD_OBJ, "send_headers", 2);
+ pop_stack();
+
+ return SAPI_HEADER_SENT_SUCCESSFULLY;
+}
+
+static int
+php_caudium_sapi_send_headers(sapi_headers_struct *sapi_headers SLS_DC)
+{
+ int res = 0;
+ THREAD_SAFE_RUN(res = php_caudium_low_send_headers(sapi_headers SLS_CC), "send headers");
+ return res;
+}
+
+/*
+ * php_caudium_sapi_read_post() reads a specified number of bytes from
+ * the client. Used for POST/PUT requests.
+ */
+
+INLINE static int php_caudium_low_read_post(char *buf, uint count_bytes)
+{
+ uint total_read = 0;
+ GET_THIS();
+ PLS_FETCH();
+
+ if(!MY_FD_OBJ->prog)
+ {
+ PG(connection_status) = PHP_CONNECTION_ABORTED;
+ zend_bailout();
+ return -1;
+ }
+ push_int(count_bytes);
+ safe_apply(MY_FD_OBJ, "read_post", 1);
+ if(Pike_sp[-1].type == PIKE_T_STRING) {
+ MEMCPY(buf, Pike_sp[-1].u.string->str,
+ (total_read = Pike_sp[-1].u.string->len));
+ buf[total_read] = '\0';
+ } else
+ total_read = 0;
+ pop_stack();
+ return total_read;
+}
+
+static int
+php_caudium_sapi_read_post(char *buf, uint count_bytes SLS_DC)
+{
+ uint total_read = 0;
+ THREAD_SAFE_RUN(total_read = php_caudium_low_read_post(buf, count_bytes), "read post");
+ return total_read;
+}
+
+/*
+ * php_caudium_sapi_read_cookies() returns the Cookie header from
+ * the HTTP request header
+ */
+
+static char *
+php_caudium_sapi_read_cookies(SLS_D)
+{
+ char *cookies;
+ cookies = lookup_string_header("HTTP_COOKIE", NULL);
+ return cookies;
+}
+
+static void php_info_caudium(ZEND_MODULE_INFO_FUNC_ARGS)
+{
+ /* char buf[512]; */
+ php_info_print_table_start();
+ php_info_print_table_row(2, "SAPI module version", "$Id$");
+ /* php_info_print_table_row(2, "Build date", Ns_InfoBuildDate());
+ php_info_print_table_row(2, "Config file path", Ns_InfoConfigFile());
+ php_info_print_table_row(2, "Error Log path", Ns_InfoErrorLog());
+ php_info_print_table_row(2, "Installation path", Ns_InfoHomePath());
+ php_info_print_table_row(2, "Hostname of server", Ns_InfoHostname());
+ php_info_print_table_row(2, "Source code label", Ns_InfoLabel());
+ php_info_print_table_row(2, "Server platform", Ns_InfoPlatform());
+ snprintf(buf, 511, "%s/%s", Ns_InfoServerName(), Ns_InfoServerVersion());
+ php_info_print_table_row(2, "Server version", buf);
+ snprintf(buf, 511, "%d day(s), %02d:%02d:%02d",
+ uptime / 86400,
+ (uptime / 3600) % 24,
+ (uptime / 60) % 60,
+ uptime % 60);
+ php_info_print_table_row(2, "Server uptime", buf);
+ */
+ php_info_print_table_end();
+}
+
+static zend_module_entry php_caudium_module = {
+ "Caudium",
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ php_info_caudium,
+ STANDARD_MODULE_PROPERTIES
+};
+
+static int php_caudium_startup(sapi_module_struct *sapi_module)
+{
+ if(php_module_startup(sapi_module) == FAILURE
+ || zend_startup_module(&php_caudium_module) == FAILURE) {
+ return FAILURE;
+ } else {
+ return SUCCESS;
+ }
+}
+
+/* this structure is static (as in "it does not change") */
+
+static sapi_module_struct sapi_module = {
+ "caudium",
+ "Caudium",
+ php_module_startup, /* startup */
+ php_module_shutdown_wrapper, /* shutdown */
+ NULL, /* activate */
+ NULL, /* deactivate */
+ php_caudium_sapi_ub_write, /* unbuffered write */
+ NULL, /* flush */
+ NULL, /* get uid */
+ NULL, /* getenv */
+ php_error, /* error handler */
+ php_caudium_sapi_header_handler, /* header handler */
+ php_caudium_sapi_send_headers, /* send headers handler */
+ NULL, /* send header handler */
+ php_caudium_sapi_read_post, /* read POST data */
+ php_caudium_sapi_read_cookies, /* read Cookies */
+ NULL, /* register server variables */
+ NULL, /* Log message */
+ NULL, /* Block interruptions */
+ NULL, /* Unblock interruptions */
+
+ STANDARD_SAPI_MODULE_PROPERTIES
+};
+
+/*
+ * php_caudium_hash_environment() populates the php script environment
+ * with a number of variables. HTTP_* variables are created for
+ * the HTTP header data, so that a script can access these.
+ */
+#define ADD_STRING(name) \
+ MAKE_STD_ZVAL(pval); \
+ pval->type = IS_STRING; \
+ pval->value.str.len = strlen(buf); \
+ pval->value.str.val = estrndup(buf, pval->value.str.len); \
+ zend_hash_update(&EG(symbol_table), name, sizeof(name), \
+ &pval, sizeof(zval *), NULL)
+
+static void
+php_caudium_hash_environment(CLS_D ELS_DC PLS_DC SLS_DC)
+{
+ int i;
+ char buf[512];
+ zval *pval;
+ struct svalue *headers;
+ struct pike_string *sind;
+ struct array *indices;
+ struct svalue *ind, *val;
+ GET_THIS();
+ sind = make_shared_string("env");
+ headers = low_mapping_string_lookup(REQUEST_DATA, sind);
+ free_string(sind);
+ if(headers && headers->type == PIKE_T_MAPPING) {
+ indices = mapping_indices(headers->u.mapping);
+ for(i = 0; i < indices->size; i++) {
+ ind = &indices->item[i];
+ val = low_mapping_lookup(headers->u.mapping, ind);
+ if(ind && ind->type == PIKE_T_STRING &&
+ val && val->type == PIKE_T_STRING) {
+ int buf_len;
+ buf_len = MIN(511, ind->u.string->len);
+ strncpy(buf, ind->u.string->str, buf_len);
+ buf[buf_len] = '\0'; /* Terminate correctly */
+ MAKE_STD_ZVAL(pval);
+ pval->type = IS_STRING;
+ pval->value.str.len = val->u.string->len;
+ pval->value.str.val = estrndup(val->u.string->str, pval->value.str.len);
+
+ zend_hash_update(&EG(symbol_table), buf, buf_len + 1, &pval, sizeof(zval *), NULL);
+ }
+ }
+ free_array(indices);
+ }
+
+ /*
+ MAKE_STD_ZVAL(pval);
+ pval->type = IS_LONG;
+ pval->value.lval = Ns_InfoBootTime();
+ zend_hash_update(&EG(symbol_table), "SERVER_BOOTTIME", sizeof("SERVER_BOOTTIME"), &pval, sizeof(zval *), NULL);
+ */
+}
+
+/*
+ * php_caudium_module_main() is called by the per-request handler and
+ * "executes" the script
+ */
+
+static void php_caudium_module_main(php_caudium_request *ureq)
+{
+ int res, len;
+ char *dir;
+ zend_file_handle file_handle;
+ struct thread_state *state;
+ extern struct program *thread_id_prog;
+ // struct php_caudium_request *ureq;
+ SLS_FETCH();
+ CLS_FETCH();
+ PLS_FETCH();
+ ELS_FETCH();
+ GET_THIS();
+ // ureq = (struct php_caudium_request *)ud;
+ THIS->filename = ureq->filename;
+ THIS->done_cb = ureq->done_cb;
+ THIS->my_fd_obj = ureq->my_fd_obj;
+ THIS->my_fd = ureq->my_fd;
+ THIS->request_data = ureq->request_data;
+ free(ureq);
+ // current_thread = th_self();
+ mt_lock(&interpreter_lock);
+ init_interpreter();
+#if __MAJOR__ == 7 && __MINOR__ < 1
+ Pike_stack_top=((char *)&state)+ (thread_stack_size-16384) * STACK_DIRECTION;
+ recoveries = NULL;
+ thread_id = low_clone(thread_id_prog);
+ call_c_initializers(thread_id);
+ SWAP_OUT_THREAD(OBJ2THREAD(thread_id));
+ OBJ2THREAD(thread_id)->swapped=0;
+ OBJ2THREAD(thread_id)->id=th_self();
+ num_threads++;
+ thread_table_insert(thread_id);
+#else
+ Pike_interpreter.stack_top=((char *)&state)+ (thread_stack_size-16384) * STACK_DIRECTION;
+ Pike_interpreter.recoveries = NULL;
+ Pike_interpreter.thread_id = low_clone(thread_id_prog);
+ call_c_initializers(Pike_interpreter.thread_id);
+ SWAP_OUT_THREAD(OBJ2THREAD(Pike_interpreter.thread_id));
+ OBJ2THREAD(Pike_interpreter.thread_id)->swapped=0;
+ OBJ2THREAD(Pike_interpreter.thread_id)->id=th_self();
+ num_threads++;
+ thread_table_insert(Pike_interpreter.thread_id);
+#endif
+
+ SG(request_info).query_string = lookup_string_header("QUERY_STRING", 0);
+ SG(server_context) = (void *)1; /* avoid server_context == NULL */
+
+ /* path_translated is apparently the absolute path to the file, not
+ the translated PATH_INFO
+ */
+ SG(request_info).path_translated =
+ lookup_string_header("SCRIPT_FILENAME", NULL);
+ SG(request_info).request_uri = lookup_string_header("DOCUMENT_URI", NULL);
+ if(!SG(request_info).request_uri)
+ SG(request_info).request_uri = lookup_string_header("SCRIPT_NAME", NULL);
+ SG(request_info).request_method = lookup_string_header("REQUEST_METHOD", "GET");
+ SG(request_info).content_length = lookup_integer_header("HTTP_CONTENT_LENGTH", 0);
+ SG(request_info).content_type = lookup_string_header("HTTP_CONTENT_TYPE", NULL);
+ SG(sapi_headers).http_response_code = 200;
+ if (!strcmp(SG(request_info).request_method, "HEAD")) {
+ SG(request_info).headers_only = 1;
+ } else {
+ SG(request_info).headers_only = 0;
+ }
+
+ /* FIXME: Check for auth stuff needs to be fixed... */
+ SG(request_info).auth_user = NULL;
+ SG(request_info).auth_password = NULL;
+
+ /* Swap out this thread and release the interpreter lock to allow
+ * Pike threads to run. We wait since the above would otherwise require
+ * a lot of unlock/lock.
+ */
+ SWAP_OUT_CURRENT_THREAD();
+ mt_unlock(&interpreter_lock);
+
+
+#ifdef VIRTUAL_DIR
+ /* Change virtual directory, if the feature is enabled, which is
+ * almost a requirement for PHP in Roxen. Might want to fail if it
+ * isn't.
+ */
+ dir = malloc(len = THIS->filename->len);
+ strcpy(dir, THIS->filename->str);
+ while(--len >= 0 && dir[len] != '/')
+ ;
+ if(len > 0) {
+ dir[len] = '\0';
+ }
+ V_CHDIR(dir);
+ free(dir);
+#endif
+
+ file_handle.type = ZEND_HANDLE_FILENAME;
+ file_handle.filename = THIS->filename->str;
+ file_handle.free_filename = 0;
+
+ res = php_request_startup(CLS_C ELS_CC PLS_CC SLS_CC);
+
+ if(res == FAILURE) {
+ THREAD_SAFE_RUN({
+ apply_svalue(&THIS->done_cb, 0);
+ pop_stack();
+ free_struct(SLS_C);
+ }, "Negative run response");
+ } else {
+ THREAD_SAFE_RUN(php_caudium_hash_environment(CLS_C ELS_CC PLS_CC SLS_CC),
+ "environment hashing");
+ php_execute_script(&file_handle CLS_CC ELS_CC PLS_CC);
+ php_request_shutdown(NULL);
+ THREAD_SAFE_RUN({
+ apply_svalue(&THIS->done_cb, 0);
+ pop_stack();
+ free_struct(SLS_C);
+ }, "positive run response");
+ }
+ mt_lock(&interpreter_lock);
+ SWAP_IN_CURRENT_THREAD();
+#if __MAJOR__ == 7 && __MINOR__ < 1
+ OBJ2THREAD(thread_id)->status=THREAD_EXITED;
+ co_signal(& OBJ2THREAD(thread_id)->status_change);
+ thread_table_delete(thread_id);
+ free_object(thread_id);
+ thread_id=NULL;
+#else
+ OBJ2THREAD(Pike_interpreter.thread_id)->status=THREAD_EXITED;
+ co_signal(& OBJ2THREAD(Pike_interpreter.thread_id)->status_change);
+ thread_table_delete(Pike_interpreter.thread_id);
+ free_object(Pike_interpreter.thread_id);
+ Pike_interpreter.thread_id=NULL;
+#endif
+ cleanup_interpret();
+ num_threads--;
+ mt_unlock(&interpreter_lock);
+}
+
+/*
+ * The php_caudium_request_handler() is called per request and handles
+ * everything for one request.
+ */
+
+void f_php_caudium_request_handler(INT32 args)
+{
+ struct object *my_fd_obj;
+ struct mapping *request_data;
+ struct svalue *done_callback;
+ struct pike_string *script;
+ struct svalue *raw_fd;
+ struct pike_string *ind;
+ php_caudium_request *_request;
+ THIS = malloc(sizeof(php_caudium_request));
+ if(THIS == NULL)
+ error("Out of memory.");
+
+ // if(current_thread == th_self())
+ // error("PHP4.Interpreter->run: Tried to run a PHP-script from a PHP "
+ // "callback!");
+ get_all_args("PHP4.Interpreter->run", args, "%S%m%O%*", &script,
+ &request_data, &my_fd_obj, &done_callback);
+ if(done_callback->type != PIKE_T_FUNCTION)
+ error("PHP4.Interpreter->run: Bad argument 4, expected function.\n");
+ add_ref(request_data);
+ add_ref(my_fd_obj);
+ add_ref(script);
+
+ THIS->request_data = request_data;
+ THIS->my_fd_obj = my_fd_obj;
+ THIS->filename = script;
+ assign_svalue_no_free(&THIS->done_cb, done_callback);
+
+ ind = make_shared_binary_string("my_fd", 5);
+ raw_fd = low_mapping_string_lookup(THIS->request_data, ind);
+ if(raw_fd && raw_fd->type == PIKE_T_OBJECT)
+ {
+ int fd = fd_from_object(raw_fd->u.object);
+ if(fd == -1)
+ error("PHP4.Interpreter->run: my_fd object not open or not an FD.\n");
+ THIS->my_fd = fd;
+ } else
+ THIS->my_fd = 0;
+ th_farm((void (*)(void *))php_caudium_module_main, THIS);
+
+ pop_n_elems(args);
+}
+
+static void free_struct(SLS_D)
+{
+ GET_THIS();
+ if(THIS->request_data) free_mapping(THIS->request_data);
+ if(THIS->my_fd_obj) free_object(THIS->my_fd_obj);
+ free_svalue(&THIS->done_cb);
+ if(THIS->filename) free_string(THIS->filename);
+ MEMSET(THIS, 0, sizeof(php_caudium_request));
+}
+
+
+/*
+ * pike_module_init() is called by Pike once at startup
+ *
+ * This functions allocates basic structures
+ */
+
+void pike_module_init( void )
+{
+ if (!caudium_php_initialized) {
+#ifdef ZTS
+ tsrm_startup(1, 1, 0);
+ caudium_globals_id = ts_allocate_id(sizeof(php_caudium_request), NULL, NULL);
+#endif
+ sapi_startup(&sapi_module);
+ php_caudium_startup(&sapi_module);
+ caudium_php_initialized = 1;
+ PHP_INIT_LOCK();
+ }
+ start_new_program(); /* Text */
+ pike_add_function("run", f_php_caudium_request_handler,
+ "function(string,mapping,object,function:void)", 0);
+ add_program_constant("Interpreter", (php_program = end_program()), 0);
+}
+
+/*
+ * pike_module_exit() performs the last steps before the
+ * server exists. Shutdowns basic services and frees memory
+ */
+
+void pike_module_exit(void)
+{
+ caudium_php_initialized = 0;
+ sapi_module.shutdown(&sapi_module);
+ if(php_program) free_program(php_program);
+#ifdef ZTS
+ tsrm_shutdown();
+#endif
+ PHP_DESTROY();
+}
+#endif