#endif
#endif
-#if defined(PLATFORM_MACOSX) || defined(__OpenBSD__)
+#if defined(PLATFORM_MACOSX) || defined(__OpenBSD__) || defined(__FreeBSD__)
#include <sys/proc.h>
#include <sys/sysctl.h>
# if !defined(__OpenBSD__)
# include <sys/utsname.h>
# endif
+# if defined(__FreeBSD__)
+# include <sys/user.h> /* struct kinfo_proc */
+# endif
#endif
#ifdef PLATFORM_SOLARIS
#include <mono/utils/mono-membar.h>
#include <mono/utils/mono-mutex.h>
#include <mono/utils/mono-signal-handler.h>
+#include <mono/utils/mono-proclib.h>
/* The process' environment strings */
-#if defined(__APPLE__) && !defined (__arm__)
+#if defined(__APPLE__)
+#if defined (TARGET_OSX)
/* Apple defines this in crt_externs.h but doesn't provide that header for
* arm-apple-darwin9. We'll manually define the symbol on Apple as it does
* in fact exist on all implementations (so far)
*/
-char ***_NSGetEnviron(void);
+gchar ***_NSGetEnviron(void);
#define environ (*_NSGetEnviron())
#else
+static char *mono_environ[1] = { NULL };
+#define environ mono_environ
+#endif /* defined (TARGET_OSX) */
+#else
extern char **environ;
#endif
static void process_close (gpointer handle, gpointer data);
static gboolean is_pid_valid (pid_t pid);
-#if !defined(__OpenBSD__)
+#if !(defined(PLATFORM_MACOSX) || defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__HAIKU__))
static FILE *
open_process_map (int pid, const char *mode);
#endif
* signal handler)
*/
static struct MonoProcess *mono_processes = NULL;
-static volatile gint32 mono_processes_read_lock = 0;
static volatile gint32 mono_processes_cleaning_up = 0;
static mono_mutex_t mono_processes_mutex;
static void mono_processes_cleanup (void);
{
gboolean result = FALSE;
-#if defined(PLATFORM_MACOSX) || defined(__OpenBSD__)
+#if defined(HOST_WATCHOS)
+ result = TRUE; // TODO: Rewrite using sysctl
+#elif defined(PLATFORM_MACOSX) || defined(__OpenBSD__) || defined(__FreeBSD__)
if (((kill(pid, 0) == 0) || (errno == EPERM)) && pid != 0)
result = TRUE;
#elif defined(__HAIKU__)
}
static gboolean
-is_readable (const char *prog)
+is_readable_or_executable (const char *prog)
{
struct stat buf;
- if (access (prog, R_OK) != 0)
+ int a = access (prog, R_OK);
+ int b = access (prog, X_OK);
+ if (a != 0 && b != 0)
return FALSE;
if (stat (prog, &buf))
return FALSE;
WapiStartupInfo *startup,
WapiProcessInformation *process_info)
{
+#if defined (HAVE_FORK) && defined (HAVE_EXECVE)
char *cmd = NULL, *prog = NULL, *full_prog = NULL, *args = NULL, *args_after_prog = NULL;
char *dir = NULL, **env_strings = NULL, **argv = NULL;
guint32 i, env_count = 0;
prog = g_strdup (unquoted);
/* Executable existing ? */
- if (!is_readable (prog)) {
+ if (!is_readable_or_executable (prog)) {
DEBUG ("%s: Couldn't find executable %s",
__func__, prog);
g_free (unquoted);
g_free (curdir);
/* And make sure it's readable */
- if (!is_readable (prog)) {
+ if (!is_readable_or_executable (prog)) {
DEBUG ("%s: Couldn't find executable %s",
__func__, prog);
g_free (unquoted);
prog = g_strdup (token);
/* Executable existing ? */
- if (!is_readable (prog)) {
+ if (!is_readable_or_executable (prog)) {
DEBUG ("%s: Couldn't find executable %s",
__func__, token);
g_free (token);
*
* X_OK is too strict *if* the target is a CLR binary
*/
- if (!is_readable (prog)) {
+ if (!is_readable_or_executable (prog)) {
g_free (prog);
prog = g_find_program_in_path (token);
if (prog == NULL) {
if (newapp != NULL) {
if (appname != NULL) {
- newcmd = utf16_concat (newapp, utf16_space,
+ newcmd = utf16_concat (utf16_quote, newapp, utf16_quote, utf16_space,
appname, utf16_space,
cmdline, NULL);
} else {
- newcmd = utf16_concat (newapp, utf16_space,
+ newcmd = utf16_concat (utf16_quote, newapp, utf16_quote, utf16_space,
cmdline, NULL);
}
} else {
if (!is_executable (prog)) {
DEBUG ("%s: Executable permisson not set on %s", __func__, prog);
- g_free (prog);
SetLastError (ERROR_ACCESS_DENIED);
goto free_strings;
}
mono_processes_cleanup ();
return ret;
+#else
+ SetLastError (ERROR_NOT_SUPPORTED);
+ return FALSE;
+#endif // defined (HAVE_FORK) && defined (HAVE_EXECVE)
}
static void
/* Not sure if w32 allows NULLs here or not */
return FALSE;
- if (WAPI_IS_PSEUDO_PROCESS_HANDLE (process))
- /* This is a pseudo handle, so just fail for now
- */
- return FALSE;
-
+ if (WAPI_IS_PSEUDO_PROCESS_HANDLE (process)) {
+ gpointer pid = GINT_TO_POINTER (WAPI_HANDLE_TO_PID(process));
+ gint64 start_ticks, user_ticks, kernel_ticks;
+
+ mono_process_get_times (pid, &start_ticks, &user_ticks, &kernel_ticks);
+
+ _wapi_guint64_to_filetime (start_ticks, create_time);
+ _wapi_guint64_to_filetime (user_ticks, kernel_time);
+ _wapi_guint64_to_filetime (kernel_ticks, user_time);
+
+ return TRUE;
+ }
+
process_handle = lookup_process_handle (process);
if (!process_handle) {
DEBUG ("%s: Can't find process %p", __func__, process);
return(ret);
}
-#elif defined(__OpenBSD__)
+#elif defined(__OpenBSD__) || defined(__FreeBSD__)
#include <link.h>
static int load_modules_callback (struct dl_phdr_info *info, size_t size, void *ptr)
{
if (procname == NULL || modulename == NULL)
return (FALSE);
+ DEBUG ("%s: procname=\"%s\", modulename=\"%s\"", __func__, procname, modulename);
pname = mono_path_resolve_symlinks (procname);
mname = mono_path_resolve_symlinks (modulename);
g_free (pname);
g_free (mname);
+ DEBUG ("%s: result is %d", __func__, result);
return result;
}
-#if !defined(__OpenBSD__)
+#if !(defined(PLATFORM_MACOSX) || defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__HAIKU__))
static FILE *
open_process_map (int pid, const char *mode)
{
}
#endif
+static char *get_process_name_from_proc (pid_t pid);
+
gboolean EnumProcessModules (gpointer process, gpointer *modules,
guint32 size, guint32 *needed)
{
WapiHandle_process *process_handle;
-#if !defined(__OpenBSD__) && !defined(PLATFORM_MACOSX)
+#if !defined(__OpenBSD__) && !defined(PLATFORM_MACOSX) && !defined(__FreeBSD__)
FILE *fp;
#endif
GSList *mods = NULL;
if (WAPI_IS_PSEUDO_PROCESS_HANDLE (process)) {
pid = WAPI_HANDLE_TO_PID (process);
+ proc_name = get_process_name_from_proc (pid);
} else {
process_handle = lookup_process_handle (process);
if (!process_handle) {
proc_name = process_handle->proc_name;
}
-#if defined(PLATFORM_MACOSX) || defined(__OpenBSD__) || defined(__HAIKU__)
+#if defined(PLATFORM_MACOSX) || defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__HAIKU__)
mods = load_modules ();
if (!proc_name) {
modules[0] = NULL;
static char *
get_process_name_from_proc (pid_t pid)
{
-#if defined(__OpenBSD__)
+#if defined(__OpenBSD__) || defined(__FreeBSD__)
int mib [6];
size_t size;
struct kinfo_proc *pi;
/* No proc name on OSX < 10.5 nor ppc nor iOS */
memset (buf, '\0', sizeof(buf));
proc_name (pid, buf, sizeof(buf));
- if (strlen (buf) > 0)
+
+ // Fixes proc_name triming values to 15 characters #32539
+ if (strlen (buf) >= MAXCOMLEN - 1) {
+ char path_buf [PROC_PIDPATHINFO_MAXSIZE];
+ char *name_buf;
+ int path_len;
+
+ memset (path_buf, '\0', sizeof(path_buf));
+ path_len = proc_pidpath (pid, path_buf, sizeof(path_buf));
+
+ if (path_len > 0 && path_len < sizeof(path_buf)) {
+ name_buf = path_buf + path_len;
+ for(;name_buf > path_buf; name_buf--) {
+ if (name_buf [0] == '/') {
+ name_buf++;
+ break;
+ }
+ }
+
+ if (memcmp (buf, name_buf, MAXCOMLEN - 1) == 0)
+ ret = g_strdup (name_buf);
+ }
+ }
+
+ if (ret == NULL && strlen (buf) > 0)
ret = g_strdup (buf);
#else
if (sysctl(mib, 4, NULL, &size, NULL, 0) < 0)
free(pi);
#endif
+#elif defined(__FreeBSD__)
+ mib [0] = CTL_KERN;
+ mib [1] = KERN_PROC;
+ mib [2] = KERN_PROC_PID;
+ mib [3] = pid;
+ if (sysctl(mib, 4, NULL, &size, NULL, 0) < 0) {
+ DEBUG ("%s: sysctl() failed: %d", __func__, errno);
+ return(ret);
+ }
+
+ if ((pi = malloc(size)) == NULL)
+ return(ret);
+
+ if (sysctl (mib, 4, pi, &size, NULL, 0) < 0) {
+ if (errno == ENOMEM) {
+ free(pi);
+ DEBUG ("%s: Didn't allocate enough memory for kproc info", __func__);
+ }
+ return(ret);
+ }
+
+ if (strlen (pi->ki_comm) > 0)
+ ret = g_strdup (pi->ki_comm);
+ free(pi);
#elif defined(__OpenBSD__)
mib [0] = CTL_KERN;
mib [1] = KERN_PROC;
mib [5] = 0;
retry:
- if (sysctl(mib, 6, NULL, &size, NULL, 0) < 0)
+ if (sysctl(mib, 6, NULL, &size, NULL, 0) < 0) {
+ DEBUG ("%s: sysctl() failed: %d", __func__, errno);
return(ret);
+ }
if ((pi = malloc(size)) == NULL)
return(ret);
return(ret);
}
+#if defined(__OpenBSD__)
if (strlen (pi->p_comm) > 0)
ret = g_strdup (pi->p_comm);
+#elif defined(__FreeBSD__)
+ if (strlen (pi->ki_comm) > 0)
+ ret = g_strdup (pi->ki_comm);
+#endif
free(pi);
#elif defined(__HAIKU__)
char *procname_ext = NULL;
glong len;
gsize bytes;
-#if !defined(__OpenBSD__) && !defined(PLATFORM_MACOSX)
+#if !defined(__OpenBSD__) && !defined(PLATFORM_MACOSX) && !defined(__FreeBSD__)
FILE *fp;
#endif
GSList *mods = NULL;
}
/* Look up the address in /proc/<pid>/maps */
-#if defined(PLATFORM_MACOSX) || defined(__OpenBSD__) || defined(__HAIKU__)
+#if defined(PLATFORM_MACOSX) || defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__HAIKU__)
mods = load_modules ();
#else
fp = open_process_map (pid, "r");
return 0;
}
+static guint32
+get_module_filename (gpointer process, gpointer module,
+ gunichar2 *basename, guint32 size)
+{
+ int pid, len;
+ gsize bytes;
+ char *path;
+ gunichar2 *proc_path;
+
+ size *= sizeof (gunichar2); /* adjust for unicode characters */
+
+ if (basename == NULL || size == 0)
+ return 0;
+
+ pid = GetProcessId (process);
+
+ path = wapi_process_get_path (pid);
+ if (path == NULL)
+ return 0;
+
+ proc_path = mono_unicode_from_external (path, &bytes);
+ g_free (path);
+
+ if (proc_path == NULL)
+ return 0;
+
+ len = (bytes / 2);
+
+ /* Add the terminator */
+ bytes += 2;
+
+ if (size < bytes) {
+ DEBUG ("%s: Size %d smaller than needed (%ld); truncating", __func__, size, bytes);
+
+ memcpy (basename, proc_path, size);
+ } else {
+ DEBUG ("%s: Size %d larger than needed (%ld)",
+ __func__, size, bytes);
+
+ memcpy (basename, proc_path, bytes);
+ }
+
+ g_free (proc_path);
+
+ return len;
+}
+
guint32
GetModuleBaseName (gpointer process, gpointer module,
gunichar2 *basename, guint32 size)
GetModuleFileNameEx (gpointer process, gpointer module,
gunichar2 *filename, guint32 size)
{
- return get_module_name (process, module, filename, size, FALSE);
+ return get_module_filename (process, module, filename, size);
}
gboolean
{
WapiHandle_process *process_handle;
pid_t pid;
-#if !defined(__OpenBSD__) && !defined(PLATFORM_MACOSX)
+#if !defined(__OpenBSD__) && !defined(PLATFORM_MACOSX) && !defined(__FreeBSD__)
FILE *fp;
#endif
GSList *mods = NULL;
proc_name = g_strdup (process_handle->proc_name);
}
-#if defined(PLATFORM_MACOSX) || defined(__OpenBSD__) || defined(__HAIKU__)
+#if defined(PLATFORM_MACOSX) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__HAIKU__)
mods = load_modules ();
#else
/* Look up the address in /proc/<pid>/maps */
gboolean
TerminateProcess (gpointer process, gint32 exitCode)
{
+#if defined(HAVE_KILL)
WapiHandle_process *process_handle;
int signo;
int ret;
}
return (ret == 0);
+#else
+ g_error ("kill() is not supported by this platform");
+ return FALSE;
+#endif
}
guint32
{
struct MonoProcess *mp;
struct MonoProcess *prev = NULL;
- struct MonoProcess *candidate = NULL;
+ GSList *finished = NULL;
+ GSList *l;
gpointer unref_handle;
- int spin;
DEBUG ("%s", __func__);
if (InterlockedCompareExchange (&mono_processes_cleaning_up, 1, 0) != 0)
return;
- mp = mono_processes;
- while (mp != NULL) {
- if (mp->pid == 0 && mp->handle != NULL) {
+ for (mp = mono_processes; mp; mp = mp->next) {
+ if (mp->pid == 0 && mp->handle) {
/* This process has exited and we need to remove the artifical ref
* on the handle */
mono_mutex_lock (&mono_processes_mutex);
mono_mutex_unlock (&mono_processes_mutex);
if (unref_handle)
_wapi_handle_unref (unref_handle);
- continue;
}
- mp = mp->next;
}
/*
* asynchronously. The handler requires that the mono_processes list
* remain valid.
*/
- mp = mono_processes;
- spin = 0;
- while (mp != NULL) {
- if ((mp->handle_count == 0 && mp->pid == 0) || candidate != NULL) {
- if (spin > 0) {
- _wapi_handle_spin (spin);
- spin <<= 1;
- }
+ mono_mutex_lock (&mono_processes_mutex);
- /* We've found a candidate */
- mono_mutex_lock (&mono_processes_mutex);
+ mp = mono_processes;
+ while (mp) {
+ if (mp->handle_count == 0 && mp->freeable) {
/*
+ * Unlink the entry.
* This code can run parallel with the sigchld handler, but the
* modifications it makes are safe.
*/
- if (candidate == NULL) {
- /* unlink it */
- if (mp == mono_processes) {
- mono_processes = mp->next;
- } else {
- prev->next = mp->next;
- }
- candidate = mp;
- }
-
- /* It's still safe to traverse the structure.*/
- mono_memory_barrier ();
+ if (mp == mono_processes)
+ mono_processes = mp->next;
+ else
+ prev->next = mp->next;
+ finished = g_slist_prepend (finished, mp);
- if (mono_processes_read_lock != 0) {
- /* The sigchld handler is watching us. Spin a bit and try again */
- if (spin == 0) {
- spin = 1;
- } else if (spin >= 8) {
- /* Just give up for now */
- mono_mutex_unlock (&mono_processes_mutex);
- break;
- }
- } else {
- /* We've modified the list of processes, and we know the sigchld handler
- * isn't executing, so even if it executes at any moment, it'll see the
- * new version of the list. So now we can free the candidate. */
- DEBUG ("%s: freeing candidate %p", __func__, candidate);
- mp = candidate->next;
- MONO_SEM_DESTROY (&candidate->exit_sem);
- g_free (candidate);
- candidate = NULL;
- }
+ mp = mp->next;
+ } else {
+ prev = mp;
+ mp = mp->next;
+ }
+ }
- mono_mutex_unlock (&mono_processes_mutex);
+ mono_memory_barrier ();
- continue;
- }
- spin = 0;
- prev = mp;
- mp = mp->next;
+ for (l = finished; l; l = l->next) {
+ /*
+ * All the entries in the finished list are unlinked from mono_processes, and
+ * they have the 'finished' flag set, which means the sigchld handler is done
+ * accessing them.
+ */
+ mp = l->data;
+ MONO_SEM_DESTROY (&mp->exit_sem);
+ g_free (mp);
}
+ g_slist_free (finished);
+
+ mono_mutex_unlock (&mono_processes_mutex);
DEBUG ("%s done", __func__);
DEBUG ("SIG CHILD handler for pid: %i\n", info->si_pid);
- InterlockedIncrement (&mono_processes_read_lock);
-
do {
do {
pid = waitpid (-1, &status, WNOHANG);
break;
DEBUG ("child ended: %i", pid);
- p = mono_processes;
- while (p != NULL) {
+
+ /*
+ * This can run concurrently with the code in the rest of this module.
+ */
+ for (p = mono_processes; p; p = p->next) {
if (p->pid == pid) {
- p->pid = 0; /* this pid doesn't exist anymore, clear it */
- p->status = status;
- MONO_SEM_POST (&p->exit_sem);
break;
}
- p = p->next;
+ }
+ if (p) {
+ p->pid = 0; /* this pid doesn't exist anymore, clear it */
+ p->status = status;
+ MONO_SEM_POST (&p->exit_sem);
+ mono_memory_barrier ();
+ /* Mark this as freeable, the pointer becomes invalid afterwards */
+ p->freeable = TRUE;
}
} while (1);
- InterlockedDecrement (&mono_processes_read_lock);
-
DEBUG ("SIG CHILD handler: done looping.");
}
process_wait (gpointer handle, guint32 timeout, gboolean alertable)
{
WapiHandle_process *process_handle;
- pid_t pid, ret;
+ pid_t pid G_GNUC_UNUSED, ret;
int status;
guint32 start;
guint32 now;
projects / mono.git / blobdiff