#include <config.h>
#if HAVE_BOEHM_GC
-#include <gc/gc.h>
+#include <mono/os/gc_wrapper.h>
#include "mono/utils/mono-hash.h"
#endif
#include <glib.h>
#include <errno.h>
#include <sys/types.h>
#include <unistd.h>
+#include <signal.h>
#include <mono/io-layer/wapi.h>
-#include <mono/io-layer/unicode.h>
#include <mono/io-layer/wapi-private.h>
#include <mono/io-layer/handles-private.h>
#include <mono/io-layer/misc-private.h>
#include <mono/io-layer/mono-mutex.h>
#include <mono/io-layer/process-private.h>
#include <mono/io-layer/threads.h>
+#include <mono/utils/strenc.h>
+
+/* The process' environment strings */
+extern char **environ;
#undef DEBUG
static void process_close_shared (gpointer handle G_GNUC_UNUSED)
{
-#ifdef DEBUG
struct _WapiHandle_process *process_handle;
gboolean ok;
return;
}
+#ifdef DEBUG
g_message (G_GNUC_PRETTY_FUNCTION
": closing process handle %p with id %d", handle,
process_handle->id);
#endif
+
+ if(process_handle->proc_name!=0) {
+ _wapi_handle_scratch_delete (process_handle->proc_name);
+ process_handle->proc_name=0;
+ }
}
gboolean CreateProcess (const gunichar2 *appname, gunichar2 *cmdline,
WapiSecurityAttributes *process_attrs G_GNUC_UNUSED,
WapiSecurityAttributes *thread_attrs G_GNUC_UNUSED,
gboolean inherit_handles, guint32 create_flags,
- gpointer environ, const gunichar2 *cwd,
+ gpointer new_environ, const gunichar2 *cwd,
WapiStartupInfo *startup,
WapiProcessInformation *process_info)
{
- gchar *cmd=NULL, *prog, *args=NULL, *dir=NULL;
- gunichar2 *environp;
- guint32 env=0, stored_dir=0, stored_prog=0, stored_args=0;
- guint32 env_count=0, i;
+ gchar *cmd=NULL, *prog = NULL, *full_prog = NULL, *args=NULL, *args_after_prog=NULL, *dir=NULL;
+ guint32 env=0, stored_dir=0, stored_prog=0, i;
gboolean ret=FALSE;
gpointer stdin_handle, stdout_handle, stderr_handle;
guint32 pid, tid;
gpointer process_handle, thread_handle;
+ struct _WapiHandle_process *process_handle_data;
mono_once (&process_ops_once, process_ops_init);
* so crap, with an API like this :-(
*/
if(appname!=NULL) {
- cmd=_wapi_unicode_to_utf8 (appname);
+ cmd=mono_unicode_to_external (appname);
if(cmd==NULL) {
#ifdef DEBUG
g_message (G_GNUC_PRETTY_FUNCTION
": unicode conversion returned NULL");
#endif
+ SetLastError(ERROR_PATH_NOT_FOUND);
goto cleanup;
}
}
if(cmdline!=NULL) {
- args=_wapi_unicode_to_utf8 (cmdline);
+ args=mono_unicode_to_external (cmdline);
if(args==NULL) {
#ifdef DEBUG
g_message (G_GNUC_PRETTY_FUNCTION
": unicode conversion returned NULL");
#endif
+ SetLastError(ERROR_PATH_NOT_FOUND);
goto cleanup;
}
-
- /* Turn all the slashes round the right way */
- for(i=0; i<strlen (args); i++) {
- if(args[i]=='\\') {
- args[i]='/';
- }
- }
}
if(cwd!=NULL) {
- dir=_wapi_unicode_to_utf8 (cwd);
+ dir=mono_unicode_to_external (cwd);
if(dir==NULL) {
#ifdef DEBUG
g_message (G_GNUC_PRETTY_FUNCTION
": unicode conversion returned NULL");
#endif
+ SetLastError(ERROR_PATH_NOT_FOUND);
goto cleanup;
}
dir[i]='/';
}
}
- stored_dir=_wapi_handle_scratch_store (dir, strlen (dir));
+ } else {
+ dir=g_get_current_dir ();
}
+ stored_dir=_wapi_handle_scratch_store (dir, strlen (dir));
- /* environ is a block of NULL-terminated strings, which is
- * itself NULL-terminated. Of course, passing an array of
+
+ /* new_environ is a block of NULL-terminated strings, which
+ * is itself NULL-terminated. Of course, passing an array of
* string pointers would have made things too easy :-(
+ *
+ * If new_environ is not NULL it specifies the entire set of
+ * environment variables in the new process. Otherwise the
+ * new process inherits the same environment.
*/
- /* Not sure whether I should turn the w32 env block into
- * proper env vars, or just leave it to be read back by other
- * w32 emulation functions.
- */
- if(environ!=NULL) {
- /* env_count counts bytes, not chars */
- for(environp=(gunichar2 *)environ; *environp;
- env_count+=2, environp++) {
- while(*environp) {
- env_count+=2;
- environp++;
+ if(new_environ!=NULL) {
+ gchar **strings;
+ guint32 count=0;
+ gunichar2 *new_environp;
+
+ /* Count the number of strings */
+ for(new_environp=(gunichar2 *)new_environ; *new_environp;
+ new_environp++) {
+ count++;
+ while(*new_environp) {
+ new_environp++;
+ }
+ }
+ strings=g_new0 (gchar *, count + 1); /* +1 -> last one is NULL */
+
+ /* Copy each environ string into 'strings' turning it
+ * into utf8 (or the requested encoding) at the same
+ * time
+ */
+ count=0;
+ for(new_environp=(gunichar2 *)new_environ; *new_environp;
+ new_environp++) {
+ strings[count]=mono_unicode_to_external (new_environp);
+ count++;
+ while(*new_environp) {
+ new_environp++;
}
}
- env=_wapi_handle_scratch_store (environ, env_count);
+ env=_wapi_handle_scratch_store_string_array (strings);
+
+ g_strfreev (strings);
+ } else {
+ /* Use the existing environment */
+ env=_wapi_handle_scratch_store_string_array (environ);
}
/* We can't put off locating the executable any longer :-( */
if(cmd[0]=='/') {
/* Assume full path given */
prog=g_strdup (cmd);
+
+ /* Executable existing ? */
+ if(access (prog, X_OK)!=0) {
+#ifdef DEBUG
+ g_message (G_GNUC_PRETTY_FUNCTION ": Couldn't find executable %s", prog);
+#endif
+ g_free (prog);
+ SetLastError (ERROR_FILE_NOT_FOUND);
+ goto cleanup;
+ }
} else {
/* Search for file named by cmd in the current
* directory
prog=g_strdup_printf ("%s/%s", curdir, cmd);
g_free (curdir);
}
+
+ args_after_prog=args;
} else {
gchar *token=NULL;
* marks into account
*/
+ /* First, strip off all leading whitespace */
+ args=g_strchug (args);
+
+ /* args_after_prog points to the contents of args
+ * after token has been set (otherwise argv[0] is
+ * duplicated)
+ */
+ args_after_prog=args;
+
/* Assume the opening quote will always be the first
* character
*/
if(g_ascii_isspace (args[i+1])) {
/* We found the first token */
token=g_strndup (args+1, i-1);
+ args_after_prog=args+i;
} else {
/* Quotation mark appeared in the
* middle of the token. Just give the
for(i=0; args[i]!='\0'; i++) {
if(g_ascii_isspace (args[i])) {
token=g_strndup (args, i);
+ args_after_prog=args+i+1;
break;
}
}
if(token==NULL && args[0]!='\0') {
/* Must be just one token in the string */
token=g_strdup (args);
+ args_after_prog=NULL;
}
if(token==NULL) {
": Couldn't find what to exec");
#endif
+ SetLastError(ERROR_PATH_NOT_FOUND);
goto cleanup;
}
+ /* Turn all the slashes round the right way. Only for the prg. name */
+ for(i=0; i < strlen (token); i++) {
+ if (token[i]=='\\') {
+ token[i]='/';
+ }
+ }
+
if(g_ascii_isalpha (token[0]) && (token[1]==':')) {
/* Strip off the drive letter. I can't
* believe that CP/M holdover is still
if(token[0]=='/') {
/* Assume full path given */
prog=g_strdup (token);
+
+ /* Executable existing ? */
+ if(access (prog, X_OK)!=0) {
+ g_free (prog);
+#ifdef DEBUG
+ g_message (G_GNUC_PRETTY_FUNCTION ": Couldn't find executable %s", token);
+#endif
+ g_free (token);
+ SetLastError (ERROR_FILE_NOT_FOUND);
+ goto cleanup;
+ }
+
} else {
char *curdir=g_get_current_dir ();
#endif
g_free (token);
+ SetLastError (ERROR_FILE_NOT_FOUND);
goto cleanup;
}
}
}
#ifdef DEBUG
- g_message (G_GNUC_PRETTY_FUNCTION ": Exec prog [%s] args [%s]",
- prog, args);
+ g_message (G_GNUC_PRETTY_FUNCTION ": Exec prog [%s] args [%s]", prog,
+ args_after_prog);
#endif
- stored_prog=_wapi_handle_scratch_store (prog, strlen (prog));
- stored_args=_wapi_handle_scratch_store (args, strlen (args));
-
- stdin_handle=GetStdHandle (STD_INPUT_HANDLE);
- stdout_handle=GetStdHandle (STD_OUTPUT_HANDLE);
- stderr_handle=GetStdHandle (STD_ERROR_HANDLE);
+ if(args_after_prog!=NULL) {
+ full_prog=g_strconcat (prog, " ", args_after_prog, NULL);
+ } else {
+ full_prog=g_strdup (prog);
+ }
- if(startup!=NULL) {
- if(startup->dwFlags & STARTF_USESTDHANDLES) {
- stdin_handle=startup->hStdInput;
- stdout_handle=startup->hStdOutput;
- stderr_handle=startup->hStdError;
- }
+ stored_prog=_wapi_handle_scratch_store (full_prog, strlen (full_prog));
+
+ if(startup!=NULL && startup->dwFlags & STARTF_USESTDHANDLES) {
+ stdin_handle=startup->hStdInput;
+ stdout_handle=startup->hStdOutput;
+ stderr_handle=startup->hStdError;
+ } else {
+ stdin_handle=GetStdHandle (STD_INPUT_HANDLE);
+ stdout_handle=GetStdHandle (STD_OUTPUT_HANDLE);
+ stderr_handle=GetStdHandle (STD_ERROR_HANDLE);
}
- ret=_wapi_handle_process_fork (stored_prog, stored_args, env,
- stored_dir, inherit_handles,
- create_flags, stdin_handle,
- stdout_handle, stderr_handle,
- &process_handle, &thread_handle, &pid,
- &tid);
+ ret=_wapi_handle_process_fork (stored_prog, env, stored_dir,
+ inherit_handles, create_flags,
+ stdin_handle, stdout_handle,
+ stderr_handle, &process_handle,
+ &thread_handle, &pid, &tid);
if(ret==TRUE && process_info!=NULL) {
process_info->hProcess=process_handle;
process_info->hThread=thread_handle;
process_info->dwProcessId=pid;
process_info->dwThreadId=tid;
+ /* Wait for possible execve failure */
+ if (WaitForSingleObjectEx (process_handle, 500, FALSE) != WAIT_TIMEOUT) {
+ _wapi_lookup_handle (GUINT_TO_POINTER (process_handle),
+ WAPI_HANDLE_PROCESS,
+ (gpointer *) &process_handle_data,
+ NULL);
+
+ if (process_handle_data && process_handle_data->exec_errno != 0) {
+ ret = FALSE;
+ SetLastError (ERROR_PATH_NOT_FOUND);
+ }
+ }
+ } else if (ret==FALSE) {
+ /* FIXME: work out a better error code
+ */
+ SetLastError (ERROR_PATH_NOT_FOUND);
}
-
+
cleanup:
if(cmd!=NULL) {
g_free (cmd);
}
- if(prog!=NULL) {
+ if(full_prog!=NULL) {
g_free (prog);
}
if(stored_prog!=0) {
if(args!=NULL) {
g_free (args);
}
- if(stored_args!=0) {
- _wapi_handle_scratch_delete (stored_args);
- }
if(dir!=NULL) {
g_free (dir);
}
_wapi_handle_scratch_delete (stored_dir);
}
if(env!=0) {
- _wapi_handle_scratch_delete (env);
+ _wapi_handle_scratch_delete_string_array (env);
}
return(ret);
}
-
-static gboolean process_compare (gpointer handle, gpointer user_data)
+
+static void process_set_name (struct _WapiHandle_process *process_handle)
{
- struct _WapiHandle_process *process_handle;
- gboolean ok;
- pid_t pid;
+ gchar *progname, *utf8_progname, *slash;
- ok=_wapi_lookup_handle (handle, WAPI_HANDLE_PROCESS,
- (gpointer *)&process_handle, NULL);
- if(ok==FALSE) {
- g_warning (G_GNUC_PRETTY_FUNCTION
- ": error looking up process handle %p", handle);
- return(FALSE);
- }
+ progname=g_get_prgname ();
+ utf8_progname=mono_utf8_from_external (progname);
- pid=GPOINTER_TO_UINT (user_data);
- if(process_handle->id==pid) {
- return(TRUE);
- } else {
- return(FALSE);
+#ifdef DEBUG
+ g_message (G_GNUC_PRETTY_FUNCTION ": using [%s] as prog name",
+ progname);
+#endif
+
+ if(utf8_progname!=NULL) {
+ slash=strrchr (utf8_progname, '/');
+ if(slash!=NULL) {
+ process_handle->proc_name=_wapi_handle_scratch_store (slash+1, strlen (slash+1));
+ } else {
+ process_handle->proc_name=_wapi_handle_scratch_store (utf8_progname, strlen (utf8_progname));
+ }
+
+ g_free (utf8_progname);
}
}
-
+
+extern void _wapi_time_t_to_filetime (time_t timeval, WapiFileTime *filetime);
+
static void process_set_current (void)
{
struct _WapiHandle_process *process_handle;
gboolean ok;
pid_t pid=getpid ();
+ char *handle_env;
- current_process=_wapi_search_handle (WAPI_HANDLE_PROCESS,
- process_compare,
- GUINT_TO_POINTER (pid),
- (gpointer *)&process_handle,
- NULL);
- if(current_process==0) {
+ handle_env=getenv ("_WAPI_PROCESS_HANDLE");
+ if(handle_env==NULL) {
#ifdef DEBUG
g_message (G_GNUC_PRETTY_FUNCTION
": Need to create my own process handle");
}
process_handle->id=pid;
+
+ /* These seem to be the defaults on w2k */
+ process_handle->min_working_set=204800;
+ process_handle->max_working_set=1413120;
+
+ _wapi_time_t_to_filetime (time (NULL), &process_handle->create_time);
+
+ process_set_name (process_handle);
+
+ /* Make sure the new handle has a reference so it wont go away
+ * until this process exits
+ */
+ _wapi_handle_ref (current_process);
} else {
+ guchar *procname;
+
+ current_process=GUINT_TO_POINTER (atoi (handle_env));
+
#ifdef DEBUG
- g_message (G_GNUC_PRETTY_FUNCTION ": Found my process handle");
+ g_message (G_GNUC_PRETTY_FUNCTION
+ ": Found my process handle: %p", current_process);
#endif
+
+ ok=_wapi_lookup_handle (current_process, WAPI_HANDLE_PROCESS,
+ (gpointer *)&process_handle, NULL);
+ if(ok==FALSE) {
+ g_warning (G_GNUC_PRETTY_FUNCTION
+ ": error looking up process handle %p",
+ current_process);
+ return;
+ }
+
+ procname=_wapi_handle_scratch_lookup (process_handle->proc_name);
+ if(procname!=NULL) {
+ if(!strcmp (procname, "mono")) {
+ /* Set a better process name */
+#ifdef DEBUG
+ g_message (G_GNUC_PRETTY_FUNCTION ": Setting better process name");
+#endif
+
+ _wapi_handle_scratch_delete (process_handle->proc_name);
+ process_set_name (process_handle);
+ } else {
+#ifdef DEBUG
+ g_message (G_GNUC_PRETTY_FUNCTION
+ ": Leaving process name: %s",
+ procname);
+#endif
+ }
+
+ g_free (procname);
+ }
}
}
guint32 GetCurrentProcessId (void)
{
+ struct _WapiHandle_process *current_process_handle;
+ gboolean ok;
+
mono_once (&process_current_once, process_set_current);
- return(getpid ());
+ ok=_wapi_lookup_handle (current_process, WAPI_HANDLE_PROCESS,
+ (gpointer *)¤t_process_handle, NULL);
+ if(ok==FALSE) {
+ g_warning (G_GNUC_PRETTY_FUNCTION
+ ": error looking up current process handle %p",
+ current_process);
+ /* No failure return is defined. PID 0 is invalid.
+ * This should only be reached when something else has
+ * gone badly wrong anyway.
+ */
+ return(0);
+ }
+
+ return(current_process_handle->id);
}
static gboolean process_enum (gpointer handle, gpointer user_data)
{
GPtrArray *processes=user_data;
- g_ptr_array_add (processes, handle);
+ /* Ignore processes that have already exited (ie they are signalled) */
+ if(_wapi_handle_issignalled (handle)==FALSE) {
+ g_ptr_array_add (processes, handle);
+ }
/* Return false to keep searching */
return(FALSE);
GPtrArray *processes=g_ptr_array_new ();
guint32 fit, i;
+ mono_once (&process_current_once, process_set_current);
+
_wapi_search_handle (WAPI_HANDLE_PROCESS, process_enum, processes,
NULL, NULL);
return(TRUE);
}
+
+gboolean EnumProcessModules (gpointer process, gpointer *modules,
+ guint32 size, guint32 *needed)
+{
+ /* Store modules in an array of pointers (main module as
+ * modules[0]), using the load address for each module as a
+ * token. (Use 'NULL' as an alternative for the main module
+ * so that the simple implementation can just return one item
+ * for now.) Get the info from /proc/<pid>/maps on linux,
+ * other systems will have to implement /dev/kmem reading or
+ * whatever other horrid technique is needed.
+ */
+ if(size<sizeof(gpointer)) {
+ return(FALSE);
+ }
+
+#ifdef linux
+ modules[0]=NULL;
+ *needed=sizeof(gpointer);
+#else
+ modules[0]=NULL;
+ *needed=sizeof(gpointer);
+#endif
+
+ return(TRUE);
+}
+
+guint32 GetModuleBaseName (gpointer process, gpointer module,
+ gunichar2 *basename, guint32 size)
+{
+ struct _WapiHandle_process *process_handle;
+ gboolean ok;
+
+ mono_once (&process_current_once, process_set_current);
+
+#ifdef DEBUG
+ g_message (G_GNUC_PRETTY_FUNCTION
+ ": Getting module base name, process handle %p module %p",
+ process, module);
+#endif
+
+ if(basename==NULL || size==0) {
+ return(FALSE);
+ }
+
+ ok=_wapi_lookup_handle (process, WAPI_HANDLE_PROCESS,
+ (gpointer *)&process_handle, NULL);
+ if(ok==FALSE) {
+#ifdef DEBUG
+ g_message (G_GNUC_PRETTY_FUNCTION ": Can't find process %p",
+ process);
+#endif
+
+ return(FALSE);
+ }
+
+ if(module==NULL) {
+ /* Shorthand for the main module, which has the
+ * process name recorded in the handle data
+ */
+ pid_t pid;
+ gunichar2 *procname;
+ guchar *procname_utf8;
+ glong len, bytes;
+
+#ifdef DEBUG
+ g_message (G_GNUC_PRETTY_FUNCTION
+ ": Returning main module name");
+#endif
+
+ pid=process_handle->id;
+ procname_utf8=_wapi_handle_scratch_lookup (process_handle->proc_name);
+
+#ifdef DEBUG
+ g_message (G_GNUC_PRETTY_FUNCTION ": Process name is [%s]",
+ procname_utf8);
+#endif
+
+ procname=g_utf8_to_utf16 (procname_utf8, -1, NULL, &len, NULL);
+ if(procname==NULL) {
+ /* bugger */
+ g_free (procname_utf8);
+ return(0);
+ }
+
+ /* Add the terminator, and convert chars to bytes */
+ bytes=(len+1)*2;
+
+ if(size<bytes) {
+#ifdef DEBUG
+ g_message (G_GNUC_PRETTY_FUNCTION ": Size %d smaller than needed (%ld); truncating", size, bytes);
+#endif
+
+ memcpy (basename, procname, size);
+ } else {
+#ifdef DEBUG
+ g_message (G_GNUC_PRETTY_FUNCTION
+ ": Size %d larger than needed (%ld)",
+ size, bytes);
+#endif
+
+ memcpy (basename, procname, bytes);
+ }
+
+ g_free (procname_utf8);
+ g_free (procname);
+
+ return(len);
+ } else {
+ /* Look up the address in /proc/<pid>/maps */
+ }
+
+ return(0);
+}
+
+gboolean GetProcessWorkingSetSize (gpointer process, size_t *min, size_t *max)
+{
+ struct _WapiHandle_process *process_handle;
+ gboolean ok;
+
+ mono_once (&process_current_once, process_set_current);
+
+ if(min==NULL || max==NULL) {
+ /* Not sure if w32 allows NULLs here or not */
+ return(FALSE);
+ }
+
+ ok=_wapi_lookup_handle (process, WAPI_HANDLE_PROCESS,
+ (gpointer *)&process_handle, NULL);
+ if(ok==FALSE) {
+#ifdef DEBUG
+ g_message (G_GNUC_PRETTY_FUNCTION ": Can't find process %p",
+ process);
+#endif
+
+ return(FALSE);
+ }
+
+ *min=process_handle->min_working_set;
+ *max=process_handle->max_working_set;
+
+ return(TRUE);
+}
+
+gboolean SetProcessWorkingSetSize (gpointer process, size_t min, size_t max)
+{
+ struct _WapiHandle_process *process_handle;
+ gboolean ok;
+
+ mono_once (&process_current_once, process_set_current);
+
+ ok=_wapi_lookup_handle (process, WAPI_HANDLE_PROCESS,
+ (gpointer *)&process_handle, NULL);
+ if(ok==FALSE) {
+#ifdef DEBUG
+ g_message (G_GNUC_PRETTY_FUNCTION ": Can't find process %p",
+ process);
+#endif
+
+ return(FALSE);
+ }
+
+ process_handle->min_working_set=min;
+ process_handle->max_working_set=max;
+
+ return(TRUE);
+}
+
+
+gboolean
+TerminateProcess (gpointer process, gint32 exitCode)
+{
+ struct _WapiHandle_process *process_handle;
+ gboolean ok;
+ gint signo;
+ gint err;
+
+ ok = _wapi_lookup_handle (process, WAPI_HANDLE_PROCESS,
+ (gpointer *) &process_handle, NULL);
+
+ if (ok == FALSE) {
+#ifdef DEBUG
+ g_message (G_GNUC_PRETTY_FUNCTION ": Can't find process %p",
+ process);
+#endif
+ SetLastError (ERROR_INVALID_HANDLE);
+ return FALSE;
+ }
+
+ signo = (exitCode == -1) ? SIGKILL : SIGTERM;
+ return _wapi_handle_process_kill (process_handle->id, signo, &err);
+}
+
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