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Make it compile on Win32 without pthreads: Use a Win32 critical section

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2006-12-28  Tor Lillqvist  <tml@novell.com>

	* glib/gslice.c: Make it compile on Win32 without pthreads: Use a
	Win32 critical section instead.
This commit is contained in:
Tor Lillqvist 2006-12-28 15:39:47 +00:00 committed by Tor Lillqvist
parent fd1f409e41
commit b713fbc11a
2 changed files with 37 additions and 12 deletions
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3
ChangeLog
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@ -1,5 +1,8 @@
2006-12-28 Tor Lillqvist <tml@novell.com>
* glib/gslice.c: Make it compile on Win32 without pthreads: Use a
Win32 critical section instead.
* glib/gmessages.c (g_logv): On Win32, if we get a fatal error
message while being debugged we break into the debugger with
G_BREAKPOINT(). Don't call abort() if the user is foolhardy enough

46
glib/gslice.c
View File

@ -203,6 +203,26 @@ static SliceConfig slice_config = {
};
static GMutex *smc_tree_mutex = NULL; /* mutex for G_SLICE=debug-blocks */
#ifndef G_OS_WIN32
#include <pthread.h>
static pthread_mutex_t sdt_mutex = PTHREAD_MUTEX_INITIALIZER;
#define SDT_LOCK() pthread_mutex_lock (&sdt_mutex)
#define SDT_UNLOCK() pthread_mutex_unlock (&sdt_mutex)
#else
/* We don't want to depend on pthreads on Win32, at least for now. But
* if we change GThread to use pthreads-win32 we could use pthreads
* here, too.
*/
static CRITICAL_SECTION sdt_mutex;
#define SDT_LOCK() EnterCriticalSection (&sdt_mutex)
#define SDT_UNLOCK() LeaveCriticalSection (&sdt_mutex)
#endif
/* --- auxillary funcitons --- */
void
g_slice_set_config (GSliceConfig ckey,
@ -376,7 +396,12 @@ _g_slice_thread_init_nomessage (void)
allocator->magazine_mutex = g_mutex_new();
allocator->slab_mutex = g_mutex_new();
if (allocator->config.debug_blocks)
smc_tree_mutex = g_mutex_new();
{
smc_tree_mutex = g_mutex_new();
#ifdef G_OS_WIN32
InitializeCriticalSection (&sdt_mutex);
#endif
}
}
static inline void
@ -1280,14 +1305,11 @@ smc_tree_branch_lookup_nearest_L (SmcBranch *branch,
return cmp > 0 ? check + 1 : check; /* return insertion position for inexact match */
}
#include <pthread.h>
static pthread_mutex_t sdt_mutex = PTHREAD_MUTEX_INITIALIZER;
static void
smc_tree_insert (SmcKType key,
SmcVType value)
{
pthread_mutex_lock (&sdt_mutex);
SDT_LOCK ();
g_mutex_lock (smc_tree_mutex);
unsigned int ix0 = SMC_TRUNK_HASH (key), ix1 = SMC_BRANCH_HASH (key);
if (!smc_tree_root)
@ -1310,7 +1332,7 @@ smc_tree_insert (SmcKType key,
entry->key = key;
entry->value = value;
g_mutex_unlock (smc_tree_mutex);
pthread_mutex_unlock (&sdt_mutex);
SDT_UNLOCK ();
}
static gboolean
@ -1319,7 +1341,7 @@ smc_tree_lookup (SmcKType key,
{
unsigned int ix0 = SMC_TRUNK_HASH (key), ix1 = SMC_BRANCH_HASH (key);
gboolean found_one = FALSE;
pthread_mutex_lock (&sdt_mutex);
SDT_LOCK ();
*value_p = 0;
g_mutex_lock (smc_tree_mutex);
SmcEntry *entry = NULL;
@ -1335,7 +1357,7 @@ smc_tree_lookup (SmcKType key,
}
}
g_mutex_unlock (smc_tree_mutex);
pthread_mutex_unlock (&sdt_mutex);
SDT_UNLOCK ();
return found_one;
}
@ -1344,7 +1366,7 @@ smc_tree_remove (SmcKType key)
{
unsigned int ix0 = SMC_TRUNK_HASH (key), ix1 = SMC_BRANCH_HASH (key);
gboolean found_one = FALSE;
pthread_mutex_lock (&sdt_mutex);
SDT_LOCK ();
g_mutex_lock (smc_tree_mutex);
if (smc_tree_root && smc_tree_root[ix0])
{
@ -1366,7 +1388,7 @@ smc_tree_remove (SmcKType key)
}
}
g_mutex_unlock (smc_tree_mutex);
pthread_mutex_unlock (&sdt_mutex);
SDT_UNLOCK ();
return found_one;
}
@ -1374,7 +1396,7 @@ smc_tree_remove (SmcKType key)
void
g_slice_debug_tree_statistics (void)
{
pthread_mutex_lock (&sdt_mutex);
SDT_LOCK ();
g_mutex_lock (smc_tree_mutex);
if (smc_tree_root)
{
@ -1408,7 +1430,7 @@ g_slice_debug_tree_statistics (void)
else
fprintf (stderr, "GSlice: MemChecker: root=NULL\n");
g_mutex_unlock (smc_tree_mutex);
pthread_mutex_unlock (&sdt_mutex);
SDT_UNLOCK ();
/* sample statistics (beast + GSLice + 24h scripted core & GUI activity):
* PID %CPU %MEM VSZ RSS COMMAND