X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=glib%2Fglib.h;h=7ba589b6f2ad1f169690dc07c55be12da1aea83e;hb=b3ee868f9443d4de4b26d159e49fbd2c512ee1e8;hp=fdfb6877375ddebfed0f075fa296af1892f04cf7;hpb=fec9828ac62918374fb8aa94e15a9bdf554e269e;p=platform%2Fupstream%2Fglib.git diff --git a/glib/glib.h b/glib/glib.h index fdfb687..7ba589b 100644 --- a/glib/glib.h +++ b/glib/glib.h @@ -2,23 +2,23 @@ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald * * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public + * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. + * Lesser General Public License for more details. * - * You should have received a copy of the GNU Library General Public + * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ /* - * Modified by the GLib Team and others 1997-1999. See the AUTHORS + * Modified by the GLib Team and others 1997-2000. See the AUTHORS * file for a list of people on the GLib Team. See the ChangeLog * files for a list of changes. These files are distributed with * GLib at ftp://ftp.gtk.org/pub/gtk/. @@ -55,6 +55,7 @@ * gint16, guint16 * gint32, guint32 * gint64, guint64 + * gssize, gsize * * It defines the G_BYTE_ORDER symbol to one of G_*_ENDIAN (see later in * this file). @@ -177,11 +178,11 @@ extern "C" { */ #if !defined (G_VA_COPY) # if defined (__GNUC__) && defined (__PPC__) && (defined (_CALL_SYSV) || defined (_WIN32)) -# define G_VA_COPY(ap1, ap2) (*(ap1) = *(ap2)) +# define G_VA_COPY(ap1, ap2) (*(ap1) = *(ap2)) # elif defined (G_VA_COPY_AS_ARRAY) -# define G_VA_COPY(ap1, ap2) g_memmove ((ap1), (ap2), sizeof (va_list)) +# define G_VA_COPY(ap1, ap2) g_memmove ((ap1), (ap2), sizeof (va_list)) # else /* va_list is a pointer */ -# define G_VA_COPY(ap1, ap2) ((ap1) = (ap2)) +# define G_VA_COPY(ap1, ap2) ((ap1) = (ap2)) # endif /* va_list is a pointer */ #endif /* !G_VA_COPY */ @@ -204,47 +205,42 @@ extern "C" { * *capable* to do function inlining, in which case inline function bodys * do make sense. we also define G_INLINE_FUNC to properly export the * function prototypes if no inlining can be performed. - * we special case most of the stuff, so inline functions can have a normal - * implementation by defining G_INLINE_FUNC to extern and G_CAN_INLINE to 1. + * inline function bodies have to be special cased with G_CAN_INLINE and a + * .c file specific macro to allow one compiled instance with extern linkage + * of the functions by defining G_IMPLEMENT_INLINES and the .c file macro. */ +#ifdef G_IMPLEMENT_INLINES +# define G_INLINE_FUNC extern +# undef G_CAN_INLINE +#endif #ifndef G_INLINE_FUNC # define G_CAN_INLINE 1 #endif -#ifdef G_HAVE_INLINE -# if defined (__GNUC__) && defined (__STRICT_ANSI__) -# undef inline -# define inline __inline__ -# endif -#else /* !G_HAVE_INLINE */ +#if defined (G_HAVE_INLINE) && defined (__GNUC__) && defined (__STRICT_ANSI__) +# undef inline +# define inline __inline__ +#elif !defined (G_HAVE_INLINE) # undef inline # if defined (G_HAVE___INLINE__) # define inline __inline__ -# else /* !inline && !__inline__ */ -# if defined (G_HAVE___INLINE) -# define inline __inline -# else /* !inline && !__inline__ && !__inline */ -# define inline /* don't inline, then */ -# ifndef G_INLINE_FUNC -# undef G_CAN_INLINE -# endif +# elif defined (G_HAVE___INLINE) +# define inline __inline +# else /* !inline && !__inline__ && !__inline */ +# define inline /* don't inline, then */ +# ifndef G_INLINE_FUNC +# undef G_CAN_INLINE # endif # endif #endif #ifndef G_INLINE_FUNC -# ifdef __GNUC__ -# ifdef __OPTIMIZE__ -# define G_INLINE_FUNC extern inline -# else -# undef G_CAN_INLINE -# define G_INLINE_FUNC extern -# endif -# else /* !__GNUC__ */ -# ifdef G_CAN_INLINE -# define G_INLINE_FUNC static inline -# else -# define G_INLINE_FUNC extern -# endif -# endif /* !__GNUC__ */ +# if defined (__GNUC__) && (__OPTIMIZE__) +# define G_INLINE_FUNC extern inline +# elif defined (G_CAN_INLINE) && !defined (__GNUC__) +# define G_INLINE_FUNC static inline +# else /* can't inline */ +# define G_INLINE_FUNC extern +# undef G_CAN_INLINE +# endif #endif /* !G_INLINE_FUNC */ @@ -275,6 +271,13 @@ extern "C" { /* Provide macros to feature the GCC function attribute. */ +#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) +#define G_GNUC_PURE \ + __attribute__((pure)) +#else +#define G_GNUC_PURE +#endif + #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4) #define G_GNUC_PRINTF( format_idx, arg_idx ) \ __attribute__((format (printf, format_idx, arg_idx))) @@ -322,13 +325,41 @@ extern "C" { * Actual use is strongly deprecated of course ;) */ #if defined (__i386__) && defined (__GNUC__) && __GNUC__ >= 2 -#define G_BREAKPOINT() G_STMT_START{ __asm__ __volatile__ ("int $03"); }G_STMT_END +# define G_BREAKPOINT() G_STMT_START{ __asm__ __volatile__ ("int $03"); }G_STMT_END #elif defined (__alpha__) && defined (__GNUC__) && __GNUC__ >= 2 -#define G_BREAKPOINT() G_STMT_START{ __asm__ __volatile__ ("bpt"); }G_STMT_END +# define G_BREAKPOINT() G_STMT_START{ __asm__ __volatile__ ("bpt"); }G_STMT_END #else /* !__i386__ && !__alpha__ */ -#define G_BREAKPOINT() +# define G_BREAKPOINT() G_STMT_START{ raise (5 /* SIGTRAP */); }G_STMT_END #endif /* __i386__ */ +/* g_alloca handling */ +#ifdef GLIB_HAVE_ALLOCA_H +#include +#endif + +#include +#ifdef __GNUC__ +/* glibc already does this for us */ +#ifndef alloca +# define alloca(size) __builtin_alloca (size) +#endif +#else +# ifdef _MSC_VER +# include +# define alloca _alloca +# else +# ifdef _AIX + #pragma alloca +# else +# ifndef alloca /* predefined by HP cc +Olibcalls */ +char *alloca (); +# endif +# endif +# endif +#endif + +#define g_alloca(size) alloca (size) +/* End g_alloca handling */ /* Provide macros for easily allocating memory. The macros * will cast the allocated memory to the specified type @@ -426,6 +457,8 @@ extern "C" { #define g_return_if_fail(expr) #define g_return_val_if_fail(expr,val) +#define g_return_if_reached() return +#define g_return_val_if_reached(val) return (val) #else /* !G_DISABLE_CHECKS */ @@ -436,7 +469,7 @@ extern "C" { { \ g_log (G_LOG_DOMAIN, \ G_LOG_LEVEL_CRITICAL, \ - "file %s: line %d (%s): assertion `%s' failed.", \ + "file %s: line %d (%s): assertion `%s' failed", \ __FILE__, \ __LINE__, \ __PRETTY_FUNCTION__, \ @@ -449,14 +482,32 @@ extern "C" { { \ g_log (G_LOG_DOMAIN, \ G_LOG_LEVEL_CRITICAL, \ - "file %s: line %d (%s): assertion `%s' failed.", \ + "file %s: line %d (%s): assertion `%s' failed", \ __FILE__, \ __LINE__, \ __PRETTY_FUNCTION__, \ #expr); \ - return val; \ + return (val); \ }; }G_STMT_END +#define g_return_if_reached() G_STMT_START{ \ + g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_CRITICAL, \ + "file %s: line %d (%s): should not be reached", \ + __FILE__, \ + __LINE__, \ + __PRETTY_FUNCTION__); \ + return; }G_STMT_END + +#define g_return_val_if_reached(val) G_STMT_START{ \ + g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_CRITICAL, \ + "file %s: line %d (%s): should not be reached", \ + __FILE__, \ + __LINE__, \ + __PRETTY_FUNCTION__); \ + return (val); }G_STMT_END + #else /* !__GNUC__ */ #define g_return_if_fail(expr) G_STMT_START{ \ @@ -464,7 +515,7 @@ extern "C" { { \ g_log (G_LOG_DOMAIN, \ G_LOG_LEVEL_CRITICAL, \ - "file %s: line %d: assertion `%s' failed.", \ + "file %s: line %d: assertion `%s' failed", \ __FILE__, \ __LINE__, \ #expr); \ @@ -476,13 +527,29 @@ extern "C" { { \ g_log (G_LOG_DOMAIN, \ G_LOG_LEVEL_CRITICAL, \ - "file %s: line %d: assertion `%s' failed.", \ + "file %s: line %d: assertion `%s' failed", \ __FILE__, \ __LINE__, \ #expr); \ - return val; \ + return (val); \ }; }G_STMT_END +#define g_return_if_reached() G_STMT_START{ \ + g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_CRITICAL, \ + "file %s: line %d: should not be reached", \ + __FILE__, \ + __LINE__); \ + return; }G_STMT_END + +#define g_return_val_if_reached(val) G_STMT_START{ \ + g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_CRITICAL, \ + "file %s: line %d: should not be reached", \ + __FILE__, \ + __LINE__); \ + return (val); }G_STMT_END + #endif /* !__GNUC__ */ #endif /* !G_DISABLE_CHECKS */ @@ -507,13 +574,6 @@ typedef unsigned short gushort; typedef unsigned long gulong; typedef unsigned int guint; -#define G_GSHORT_FORMAT "hi" -#define G_GUSHORT_FORMAT "hu" -#define G_GINT_FORMAT "i" -#define G_GUINT_FORMAT "u" -#define G_GLONG_FORMAT "li" -#define G_GULONG_FORMAT "lu" - typedef float gfloat; typedef double gdouble; @@ -532,8 +592,6 @@ typedef void* gpointer; typedef const void *gconstpointer; -typedef gint32 gssize; -typedef guint32 gsize; typedef guint32 GQuark; typedef gint32 GTime; @@ -906,6 +964,15 @@ struct _GTuples guint len; }; +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#include + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ /* IEEE Standard 754 Single Precision Storage Format (gfloat): * @@ -1200,6 +1267,9 @@ GNode* g_node_insert (GNode *parent, GNode* g_node_insert_before (GNode *parent, GNode *sibling, GNode *node); +GNode* g_node_insert_after (GNode *parent, + GNode *sibling, + GNode *node); GNode* g_node_prepend (GNode *parent, GNode *node); guint g_node_n_nodes (GNode *root, @@ -1435,16 +1505,32 @@ GLogLevelFlags g_log_set_always_fatal (GLogLevelFlags fatal_mask); #ifndef G_LOG_DOMAIN #define G_LOG_DOMAIN ((gchar*) 0) #endif /* G_LOG_DOMAIN */ -#ifdef __GNUC__ -#define g_error(format, args...) g_log (G_LOG_DOMAIN, \ - G_LOG_LEVEL_ERROR, \ - format, ##args) -#define g_message(format, args...) g_log (G_LOG_DOMAIN, \ - G_LOG_LEVEL_MESSAGE, \ - format, ##args) -#define g_warning(format, args...) g_log (G_LOG_DOMAIN, \ - G_LOG_LEVEL_WARNING, \ - format, ##args) +#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L +#define g_error(...) g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_ERROR, \ + __VA_ARGS__) +#define g_message(...) g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_MESSAGE, \ + __VA_ARGS__) +#define g_critical(...) g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_CRITICAL, \ + __VA_ARGS__) +#define g_warning(...) g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_WARNING, \ + __VA_ARGS__) +#elif __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4) +#define g_error(format...) g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_ERROR, \ + format) +#define g_message(format...) g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_MESSAGE, \ + format) +#define g_critical(format...) g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_CRITICAL, \ + format) +#define g_warning(format...) g_log (G_LOG_DOMAIN, \ + G_LOG_LEVEL_WARNING, \ + format) #else /* !__GNUC__ */ static void g_error (const gchar *format, @@ -1465,6 +1551,15 @@ g_message (const gchar *format, va_end (args); } static void +g_critical (const gchar *format, + ...) +{ + va_list args; + va_start (args, format); + g_logv (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL, format, args); + va_end (args); +} +static void g_warning (const gchar *format, ...) { @@ -1574,7 +1669,8 @@ void g_blow_chunks (void); /* Timer */ -#define G_MICROSEC 1000000 +/* microseconds per second */ +#define G_USEC_PER_SEC 1000000 GTimer* g_timer_new (void); void g_timer_destroy (GTimer *timer); @@ -1597,8 +1693,8 @@ gchar* g_strcanon (gchar *string, gchar subsitutor); gdouble g_strtod (const gchar *nptr, gchar **endptr); -gchar* g_strerror (gint errnum); -gchar* g_strsignal (gint signum); +gchar* g_strerror (gint errnum) G_GNUC_CONST; +gchar* g_strsignal (gint signum) G_GNUC_CONST; gint g_strcasecmp (const gchar *s1, const gchar *s2); gint g_strncasecmp (const gchar *s1, @@ -1607,6 +1703,12 @@ gint g_strncasecmp (const gchar *s1, gchar* g_strdown (gchar *string); gchar* g_strup (gchar *string); gchar* g_strreverse (gchar *string); +gsize g_strlcpy (gchar *dest, + const gchar *src, + gsize dest_size); +gsize g_strlcat (gchar *dest, + const gchar *src, + gsize dest_size); /* removes leading spaces */ gchar* g_strchug (gchar *string); /* removes trailing spaces */ @@ -1737,7 +1839,24 @@ void g_atexit (GVoidFunc func); */ G_INLINE_FUNC gint g_bit_nth_lsf (guint32 mask, gint nth_bit); -#ifdef G_CAN_INLINE +G_INLINE_FUNC gint g_bit_nth_msf (guint32 mask, + gint nth_bit); +G_INLINE_FUNC guint g_bit_storage (guint number); + + +/* Trash Stacks + * elements need to be >= sizeof (gpointer) + */ +G_INLINE_FUNC void g_trash_stack_push (GTrashStack **stack_p, + gpointer data_p); +G_INLINE_FUNC gpointer g_trash_stack_pop (GTrashStack **stack_p); +G_INLINE_FUNC gpointer g_trash_stack_peek (GTrashStack **stack_p); +G_INLINE_FUNC guint g_trash_stack_height (GTrashStack **stack_p); + + +/* inline function implementations + */ +#if defined (G_CAN_INLINE) || defined (__G_UTILS_C__) G_INLINE_FUNC gint g_bit_nth_lsf (guint32 mask, gint nth_bit) @@ -1751,11 +1870,6 @@ g_bit_nth_lsf (guint32 mask, while (nth_bit < 32); return -1; } -#endif /* G_CAN_INLINE */ - -G_INLINE_FUNC gint g_bit_nth_msf (guint32 mask, - gint nth_bit); -#ifdef G_CAN_INLINE G_INLINE_FUNC gint g_bit_nth_msf (guint32 mask, gint nth_bit) @@ -1771,10 +1885,6 @@ g_bit_nth_msf (guint32 mask, while (nth_bit > 0); return -1; } -#endif /* G_CAN_INLINE */ - -G_INLINE_FUNC guint g_bit_storage (guint number); -#ifdef G_CAN_INLINE G_INLINE_FUNC guint g_bit_storage (guint number) { @@ -1788,15 +1898,6 @@ g_bit_storage (guint number) while (number); return n_bits; } -#endif /* G_CAN_INLINE */ - - -/* Trash Stacks - * elements need to be >= sizeof (gpointer) - */ -G_INLINE_FUNC void g_trash_stack_push (GTrashStack **stack_p, - gpointer data_p); -#ifdef G_CAN_INLINE G_INLINE_FUNC void g_trash_stack_push (GTrashStack **stack_p, gpointer data_p) @@ -1806,10 +1907,6 @@ g_trash_stack_push (GTrashStack **stack_p, data->next = *stack_p; *stack_p = data; } -#endif /* G_CAN_INLINE */ - -G_INLINE_FUNC gpointer g_trash_stack_pop (GTrashStack **stack_p); -#ifdef G_CAN_INLINE G_INLINE_FUNC gpointer g_trash_stack_pop (GTrashStack **stack_p) { @@ -1827,10 +1924,6 @@ g_trash_stack_pop (GTrashStack **stack_p) return data; } -#endif /* G_CAN_INLINE */ - -G_INLINE_FUNC gpointer g_trash_stack_peek (GTrashStack **stack_p); -#ifdef G_CAN_INLINE G_INLINE_FUNC gpointer g_trash_stack_peek (GTrashStack **stack_p) { @@ -1840,10 +1933,6 @@ g_trash_stack_peek (GTrashStack **stack_p) return data; } -#endif /* G_CAN_INLINE */ - -G_INLINE_FUNC guint g_trash_stack_height (GTrashStack **stack_p); -#ifdef G_CAN_INLINE G_INLINE_FUNC guint g_trash_stack_height (GTrashStack **stack_p) { @@ -1855,7 +1944,7 @@ g_trash_stack_height (GTrashStack **stack_p) return i; } -#endif /* G_CAN_INLINE */ +#endif /* G_CAN_INLINE || __G_UTILS_C__ */ /* String Chunks @@ -1872,7 +1961,7 @@ gchar* g_string_chunk_insert_const (GStringChunk *chunk, */ GString* g_string_new (const gchar *init); GString* g_string_sized_new (guint dfl_size); -void g_string_free (GString *string, +gchar* g_string_free (GString *string, gboolean free_segment); gboolean g_string_equal (const GString *v, const GString *v2); @@ -1935,7 +2024,7 @@ GArray* g_array_sized_new (gboolean zero_terminated, gboolean clear, guint element_size, guint reserved_size); -void g_array_free (GArray *array, +gchar* g_array_free (GArray *array, gboolean free_segment); GArray* g_array_append_vals (GArray *array, gconstpointer data, @@ -1962,7 +2051,7 @@ GArray* g_array_remove_index_fast (GArray *array, #define g_ptr_array_index(array,index) (array->pdata)[index] GPtrArray* g_ptr_array_new (void); GPtrArray* g_ptr_array_sized_new (guint reserved_size); -void g_ptr_array_free (GPtrArray *array, +gpointer* g_ptr_array_free (GPtrArray *array, gboolean free_seg); void g_ptr_array_set_size (GPtrArray *array, gint length); @@ -1983,7 +2072,7 @@ void g_ptr_array_add (GPtrArray *array, GByteArray* g_byte_array_new (void); GByteArray* g_byte_array_sized_new (guint reserved_size); -void g_byte_array_free (GByteArray *array, +guint8* g_byte_array_free (GByteArray *array, gboolean free_segment); GByteArray* g_byte_array_append (GByteArray *array, const guint8 *data, @@ -2006,8 +2095,8 @@ gboolean g_str_equal (gconstpointer v, guint g_str_hash (gconstpointer v); gint g_int_equal (gconstpointer v, - gconstpointer v2); -guint g_int_hash (gconstpointer v); + gconstpointer v2) G_GNUC_CONST; +guint g_int_hash (gconstpointer v) G_GNUC_CONST; /* This "hash" function will just return the key's adress as an * unsigned integer. Useful for hashing on plain adresses or @@ -2015,9 +2104,9 @@ guint g_int_hash (gconstpointer v); * passing NULL into g_hash_table_new() as GHashFunc has the * same effect as passing g_direct_hash(). */ -guint g_direct_hash (gconstpointer v); +guint g_direct_hash (gconstpointer v) G_GNUC_CONST; gint g_direct_equal (gconstpointer v, - gconstpointer v2); + gconstpointer v2) G_GNUC_CONST; /* Quarks (string<->id association) @@ -2025,7 +2114,7 @@ gint g_direct_equal (gconstpointer v, GQuark g_quark_try_string (const gchar *string); GQuark g_quark_from_static_string (const gchar *string); GQuark g_quark_from_string (const gchar *string); -gchar* g_quark_to_string (GQuark quark); +gchar* g_quark_to_string (GQuark quark) G_GNUC_CONST; /* Keyed Data List @@ -2430,14 +2519,14 @@ void g_date_free (GDate *date); * return to validity). */ gboolean g_date_valid (GDate *date); -gboolean g_date_valid_day (GDateDay day); -gboolean g_date_valid_month (GDateMonth month); -gboolean g_date_valid_year (GDateYear year); -gboolean g_date_valid_weekday (GDateWeekday weekday); -gboolean g_date_valid_julian (guint32 julian_date); +gboolean g_date_valid_day (GDateDay day) G_GNUC_CONST; +gboolean g_date_valid_month (GDateMonth month) G_GNUC_CONST; +gboolean g_date_valid_year (GDateYear year) G_GNUC_CONST; +gboolean g_date_valid_weekday (GDateWeekday weekday) G_GNUC_CONST; +gboolean g_date_valid_julian (guint32 julian_date) G_GNUC_CONST; gboolean g_date_valid_dmy (GDateDay day, GDateMonth month, - GDateYear year); + GDateYear year) G_GNUC_CONST; GDateWeekday g_date_weekday (GDate *date); GDateMonth g_date_month (GDate *date); @@ -2502,11 +2591,11 @@ void g_date_add_years (GDate *date, guint n_years); void g_date_subtract_years (GDate *date, guint n_years); -gboolean g_date_is_leap_year (GDateYear year); +gboolean g_date_is_leap_year (GDateYear year) G_GNUC_CONST; guint8 g_date_days_in_month (GDateMonth month, - GDateYear year); -guint8 g_date_monday_weeks_in_year (GDateYear year); -guint8 g_date_sunday_weeks_in_year (GDateYear year); + GDateYear year) G_GNUC_CONST; +guint8 g_date_monday_weeks_in_year (GDateYear year) G_GNUC_CONST; +guint8 g_date_sunday_weeks_in_year (GDateYear year) G_GNUC_CONST; /* qsort-friendly (with a cast...) */ gint g_date_compare (GDate *lhs, @@ -2615,7 +2704,7 @@ gdouble g_random_double_range (gdouble min, * next largest prime, or the highest it knows about which is about * MAXINT/4. */ -guint g_spaced_primes_closest (guint num); +guint g_spaced_primes_closest (guint num) G_GNUC_CONST; /* GIOChannel @@ -2828,71 +2917,74 @@ void g_main_add_poll (GPollFD *fd, void g_main_remove_poll (GPollFD *fd); void g_main_set_poll_func (GPollFunc func); +#ifdef G_OS_WIN32 + +/* Useful on other platforms, too? */ + +GPollFunc g_main_win32_get_poll_func (void); + +#endif + /* On Unix, IO channels created with this function for any file * descriptor or socket. * - * On Win32, use this only for plain files opened with the MSVCRT (the - * Microsoft run-time C library) _open(), including file descriptors - * 0, 1 and 2 (corresponding to stdin, stdout and stderr). - * Actually, don't do even that, this code isn't done yet. + * On Win32, use this only for files opened with the MSVCRT (the + * Microsoft run-time C library) _open() or _pipe, including file + * descriptors 0, 1 and 2 (corresponding to stdin, stdout and stderr). * * The term file descriptor as used in the context of Win32 refers to - * the emulated Unix-like file descriptors MSVCRT provides. + * the emulated Unix-like file descriptors MSVCRT provides. The native + * corresponding concept is file HANDLE. There isn't as of yet a way to + * get GIOChannels for file HANDLEs. */ GIOChannel* g_io_channel_unix_new (int fd); gint g_io_channel_unix_get_fd (GIOChannel *channel); #ifdef G_OS_WIN32 -GLIB_VAR guint g_pipe_readable_msg; - #define G_WIN32_MSG_HANDLE 19981206 -/* This is used to add polling for Windows messages. GDK (GTk+) programs - * should *not* use this. (In fact, I can't think of any program that - * would want to use this, but it's here just for completeness's sake. +/* Use this to get a GPollFD from a GIOChannel, so that you can call + * g_io_channel_win32_poll(). After calling this you should only use + * g_io_channel_read() to read from the GIOChannel, i.e. never read() + * or recv() from the underlying file descriptor or SOCKET. */ -void g_main_poll_win32_msg_add(gint priority, - GPollFD *fd, - guint hwnd); - -/* An IO channel for Windows messages for window handle hwnd. */ -GIOChannel *g_io_channel_win32_new_messages (guint hwnd); +void g_io_channel_win32_make_pollfd (GIOChannel *channel, + GIOCondition condition, + GPollFD *fd); -/* An IO channel for an anonymous pipe as returned from the MSVCRT - * _pipe(), with no mechanism for the writer to tell the reader when - * there is data in the pipe. - * - * This is not really implemented yet. +/* This can be used to wait a until at least one of the channels is readable. + * On Unix you would do a select() on the file descriptors of the channels. + * This should probably be available for all platforms? */ -GIOChannel *g_io_channel_win32_new_pipe (int fd); +gint g_io_channel_win32_poll (GPollFD *fds, + gint n_fds, + gint timeout); -/* An IO channel for a pipe as returned from the MSVCRT _pipe(), with - * Windows user messages used to signal data in the pipe for the - * reader. - * - * fd is the file descriptor. For the write end, peer is the thread id - * of the reader, and peer_fd is his file descriptor for the read end - * of the pipe. - * - * This is used by the GIMP, and works. +/* This is used to add polling for Windows messages. GDK (GTk+) programs + * should *not* use this. */ -GIOChannel *g_io_channel_win32_new_pipe_with_wakeups (int fd, - guint peer, - int peer_fd); +void g_main_poll_win32_msg_add (gint priority, + GPollFD *fd, + guint hwnd); -void g_io_channel_win32_pipe_request_wakeups (GIOChannel *channel, - guint peer, - int peer_fd); +/* An IO channel for Windows messages for window handle hwnd. */ +GIOChannel *g_io_channel_win32_new_messages (guint hwnd); -void g_io_channel_win32_pipe_readable (int fd, - guint offset); +/* An IO channel for C runtime (emulated Unix-like) file + * descriptors. Identical to g_io_channel_unix_new above. + * After calling g_io_add_watch() on a IO channel returned + * by this function, you shouldn't call read() on the file + * descriptor. + */ +GIOChannel* g_io_channel_win32_new_fd (int fd); /* Get the C runtime file descriptor of a channel. */ gint g_io_channel_win32_get_fd (GIOChannel *channel); -/* An IO channel for a SOCK_STREAM winsock socket. The parameter is - * actually a SOCKET. +/* An IO channel for a SOCK_STREAM winsock socket. The parameter + * should be a SOCKET. After calling g_io_add_watch() on a IO channel + * returned by this function, you shouldn't call recv() on the SOCKET. */ GIOChannel *g_io_channel_win32_new_stream_socket (int socket); @@ -2978,14 +3070,22 @@ gchar * g_win32_error_message (gint error); /* GLib Thread support */ +extern GQuark g_thread_error_quark(); +#define G_THREAD_ERROR g_thread_error_quark() + +typedef enum +{ + G_THREAD_ERROR_AGAIN /* Resource temporarily unavailable */ +} GThreadError; + typedef void (*GThreadFunc) (gpointer value); typedef enum { - G_THREAD_PRIORITY_LOW, - G_THREAD_PRIORITY_NORMAL, - G_THREAD_PRIORITY_HIGH, - G_THREAD_PRIORITY_URGENT + G_THREAD_PRIORITY_LOW, + G_THREAD_PRIORITY_NORMAL, + G_THREAD_PRIORITY_HIGH, + G_THREAD_PRIORITY_URGENT } GThreadPriority; typedef struct _GThread GThread; @@ -3030,7 +3130,8 @@ struct _GThreadFunctions gboolean joinable, gboolean bound, GThreadPriority priority, - gpointer thread); + gpointer thread, + GError **error); void (*thread_yield) (void); void (*thread_join) (gpointer thread); void (*thread_exit) (void); @@ -3049,22 +3150,56 @@ GLIB_VAR gboolean g_threads_got_initialized; */ void g_thread_init (GThreadFunctions *vtable); +/* Errorcheck mutexes. If you define G_ERRORCHECK_MUTEXES, then all + * mutexes will check for re-locking and re-unlocking */ + +/* Initialize thread system with errorcheck mutexes. vtable must be + * NULL.Do not call directly. Use #define G_ERRORCHECK_MUTEXES + * instead. + */ +void g_thread_init_with_errorcheck_mutexes (GThreadFunctions* vtable); + +/* A random number to recognize debug calls to g_mutex_... */ +#define G_MUTEX_DEBUG_MAGIC 0xf8e18ad7 + +#ifdef G_ERRORCHECK_MUTEXES +#define g_thread_init(vtable) g_thread_init_with_errorcheck_mutexes (vtable) +#endif + /* internal function for fallback static mutex implementation */ GMutex* g_static_mutex_get_mutex_impl (GMutex **mutex); /* shorthands for conditional and unconditional function calls */ -#define G_THREAD_UF(name, arglist) \ - (*g_thread_functions_for_glib_use . name) arglist -#define G_THREAD_CF(name, fail, arg) \ - (g_thread_supported () ? G_THREAD_UF (name, arg) : (fail)) -/* keep in mind, all those mutexes and static mutexes are not - * recursive in general, don't rely on that - */ +#define G_THREAD_UF(op, arglist) \ + (*g_thread_functions_for_glib_use . op) arglist +#define G_THREAD_CF(op, fail, arg) \ + (g_thread_supported () ? G_THREAD_UF (op, arg) : (fail)) +#define G_THREAD_ECF(op, fail, mutex, name, type) \ + (g_thread_supported () ? \ + ((type(*)(GMutex*, gulong, gchar*, gchar*)) \ + (*g_thread_functions_for_glib_use . op)) \ + (mutex, G_MUTEX_DEBUG_MAGIC, G_STRINGIFY (name), G_STRLOC) : (fail)) +#ifndef G_ERRORCHECK_MUTEXES +#define g_mutex_lock_with_debug_name(mutex, name) \ + G_THREAD_CF (mutex_lock, (void)0, (mutex)) +#define g_mutex_trylock_with_debug_name(mutex, name) \ + G_THREAD_CF (mutex_trylock, TRUE, (mutex)) +#define g_mutex_unlock_with_debug_name(mutex, name) \ + G_THREAD_CF (mutex_unlock, (void)0, (mutex)) +#else /* G_ERRORCHECK_MUTEXES */ +#define g_mutex_lock_with_debug_name(mutex, name) \ + G_THREAD_ECF (mutex_lock, (void)0, mutex, name, void) +#define g_mutex_trylock_with_debug_name(mutex, name) \ + G_THREAD_ECF (mutex_trylock, TRUE, mutex, name, gboolean) +#define g_mutex_unlock_with_debug_name(mutex, name) \ + G_THREAD_ECF (mutex_unlock, (void)0, mutex, name, void) +#endif /* G_ERRORCHECK_MUTEXES */ + #define g_thread_supported() (g_threads_got_initialized) #define g_mutex_new() G_THREAD_UF (mutex_new, ()) -#define g_mutex_lock(mutex) G_THREAD_CF (mutex_lock, (void)0, (mutex)) -#define g_mutex_trylock(mutex) G_THREAD_CF (mutex_trylock, TRUE, (mutex)) -#define g_mutex_unlock(mutex) G_THREAD_CF (mutex_unlock, (void)0, (mutex)) +#define g_mutex_lock(mutex) g_mutex_lock_with_debug_name(mutex, mutex) +#define g_mutex_trylock(mutex) g_mutex_trylock_with_debug_name(mutex, mutex) +#define g_mutex_unlock(mutex) g_mutex_unlock_with_debug_name(mutex, mutex) #define g_mutex_free(mutex) G_THREAD_CF (mutex_free, (void)0, (mutex)) #define g_cond_new() G_THREAD_UF (cond_new, ()) #define g_cond_signal(cond) G_THREAD_CF (cond_signal, (void)0, (cond)) @@ -3092,11 +3227,12 @@ GThread* g_thread_create (GThreadFunc thread_func, gulong stack_size, gboolean joinable, gboolean bound, - GThreadPriority priority); + GThreadPriority priority, + GError **error); GThread* g_thread_self (); -void g_thread_join (GThread* thread); -void g_thread_set_priority (GThread* thread, - GThreadPriority priority); +void g_thread_join (GThread *thread); +void g_thread_set_priority (GThread *thread, + GThreadPriority priority); /* GStaticMutexes can be statically initialized with the value * G_STATIC_MUTEX_INIT, and then they can directly be used, that is @@ -3104,11 +3240,11 @@ void g_thread_set_priority (GThread* thread, * use */ #define g_static_mutex_lock(mutex) \ - g_mutex_lock (g_static_mutex_get_mutex (mutex)) + g_mutex_lock_with_debug_name (g_static_mutex_get_mutex (mutex), mutex) #define g_static_mutex_trylock(mutex) \ - g_mutex_trylock (g_static_mutex_get_mutex (mutex)) + g_mutex_trylock_with_debug_name (g_static_mutex_get_mutex (mutex), mutex) #define g_static_mutex_unlock(mutex) \ - g_mutex_unlock (g_static_mutex_get_mutex (mutex)) + g_mutex_unlock_with_debug_name (g_static_mutex_get_mutex (mutex), mutex) struct _GStaticPrivate { @@ -3296,20 +3432,23 @@ GThreadPool* g_thread_pool_new (GFunc thread_func, gboolean bound, GThreadPriority priority, gboolean exclusive, - gpointer user_data); + gpointer user_data, + GError **error); /* Push new data into the thread pool. This task is assigned to a thread later * (when the maximal number of threads is reached for that pool) or now * (otherwise). If necessary a new thread will be started. The function * returns immediatly */ void g_thread_pool_push (GThreadPool *pool, - gpointer data); + gpointer data, + GError **error); /* Set the number of threads, which can run concurrently for that pool, -1 * means no limit. 0 means has the effect, that the pool won't process * requests until the limit is set higher again */ void g_thread_pool_set_max_threads (GThreadPool *pool, - gint max_threads); + gint max_threads, + GError **error); gint g_thread_pool_get_max_threads (GThreadPool *pool); /* Get the number of threads assigned to that pool. This number doesn't @@ -3336,11 +3475,36 @@ guint g_thread_pool_get_num_unused_threads (void); /* Stop all currently unused threads, but leave the limit untouched */ void g_thread_pool_stop_unused_threads (void); +typedef enum +{ + G_CONVERT_ERROR_NO_CONVERSION, + G_CONVERT_ERROR_ILLEGAL_SEQUENCE, + G_CONVERT_ERROR_FAILED +} GConvertError; + +#define G_CONVERT_ERROR g_convert_error_quark() +GQuark g_convert_error_quark(); + +gchar* g_convert (const gchar *str, + gint len, + const gchar *to_codeset, + const gchar *from_codeset, + gint *bytes_read, + gint *bytes_written, + GError **error); +gchar* g_convert_with_fallback (const gchar *str, + gint len, + const gchar *to_codeset, + const gchar *from_codeset, + gchar *fallback, + gint *bytes_read, + gint *bytes_written, + GError **error); + #ifdef __cplusplus } #endif /* __cplusplus */ #include -#include #endif /* __G_LIB_H__ */