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-rw-r--r--nonportable.c149
1 files changed, 70 insertions, 79 deletions
diff --git a/nonportable.c b/nonportable.c
index 49548dd..e6b6995 100644
--- a/nonportable.c
+++ b/nonportable.c
@@ -27,27 +27,85 @@
#include "implement.h"
/*
- * pthread_mutexattr_setforcecs_np()
+ * pthread_mutexattr_setkind_np()
+ */
+int pthread_mutexattr_setkind_np(pthread_mutexattr_t * attr, int kind)
+{
+ return pthread_mutexattr_settype( attr, kind );
+}
+
+/*
+ * pthread_mutexattr_getkind_np()
+ */
+int pthread_mutexattr_getkind_np(pthread_mutexattr_t * attr, int *kind)
+{
+ return pthread_mutexattr_gettype( attr, kind );
+}
+
+
+/*
+ * pthread_mutex_setdefaultkind_np --
+ *
+ * Sets the default type to be given to all
+ * POSIX mutexes initialised after the function
+ * is called. Any of the following type values
+ * can be made the default type:
+ *
+ * PTHREAD_MUTEX_NORMAL
+ * PTHREAD_MUTEX_ERRORCHECK
+ * PTHREAD_MUTEX_RECURSIVE
+ * PTHREAD_MUTEX_DEFAULT
+ *
+ * Any mutex initialised with kind PTHREAD_MUTEX_DEFAULT
+ * will be set to the mapped type instead. Previously
+ * initialised mutexes are not changed.
*
- * Allows an application to force the library to use
- * critical sections rather than win32 mutexes as
- * the basis for any mutexes that use "attr".
+ * When set to PTHREAD_MUTEX_DEFAULT (the initial
+ * value), mutexes will behave as for the
+ * PTHREAD_MUTEX_RECURSIVE kind.
*
- * Values for "forcecs" are defined in pthread.h
*/
int
-pthread_mutexattr_setforcecs_np(pthread_mutexattr_t *attr,
- int forcecs)
+pthread_mutex_setdefaultkind_np (int kind )
{
- if (attr == NULL || *attr == NULL)
+ int result = 0;
+
+ switch (kind)
{
- /* This is disallowed. */
- return EINVAL;
+ case PTHREAD_MUTEX_FAST_NP:
+ case PTHREAD_MUTEX_RECURSIVE_NP:
+ case PTHREAD_MUTEX_ERRORCHECK_NP:
+ ptw32_mutex_default_kind = kind;
+ break;
+ default:
+ result = EINVAL;
}
- (*attr)->forcecs = forcecs;
+ return result;
+}
+
+/*
+ * pthread_mutex_getdefaultkind_np --
+ *
+ * Return the default kind for all mutexes
+ *
+ */
+int
+pthread_mutex_getdefaultkind_np (int *kind)
+{
+ int result = 0;
+
+ if (kind != NULL)
+ {
+ *kind = ptw32_mutex_default_kind;
+ }
- return 0;
+ else
+ {
+ result = EINVAL;
+ }
+
+ return result;
}
/*
@@ -141,75 +199,13 @@ pthread_delay_np (struct timespec * interval)
}
-/*
- * Handle to kernel32.dll
- */
-static HINSTANCE ptw32_h_kernel32;
-
-
BOOL
pthread_win32_process_attach_np ()
{
BOOL result = TRUE;
- /*
- * We use this to double-check that TryEnterCriticalSection works.
- */
- CRITICAL_SECTION cs;
-
result = ptw32_processInitialize ();
- /*
- * Load KERNEL32 and try to get address of TryEnterCriticalSection
- */
- ptw32_h_kernel32 = LoadLibrary(TEXT("KERNEL32.DLL"));
- ptw32_try_enter_critical_section = (BOOL (PT_STDCALL *)(LPCRITICAL_SECTION))
-
-#if defined(NEED_UNICODE_CONSTS)
- GetProcAddress(ptw32_h_kernel32,
- (const TCHAR *)TEXT("TryEnterCriticalSection"));
-#else
- GetProcAddress(ptw32_h_kernel32,
- (LPCSTR) "TryEnterCriticalSection");
-#endif
-
- if (ptw32_try_enter_critical_section != NULL)
- {
- InitializeCriticalSection(&cs);
- if ((*ptw32_try_enter_critical_section)(&cs))
- {
- LeaveCriticalSection(&cs);
- }
- else
- {
- /*
- * Not really supported (Win98?).
- */
- ptw32_try_enter_critical_section = NULL;
- }
- DeleteCriticalSection(&cs);
- }
-
- if (ptw32_try_enter_critical_section == NULL)
- {
- /*
- * If TryEnterCriticalSection is not being used, then free
- * the kernel32.dll handle now, rather than leaving it until
- * DLL_PROCESS_DETACH.
- *
- * Note: this is not a pedantic exercise in freeing unused
- * resources! It is a work-around for a bug in Windows 95
- * (see microsoft knowledge base article, Q187684) which
- * does Bad Things when FreeLibrary is called within
- * the DLL_PROCESS_DETACH code, in certain situations.
- * Since w95 just happens to be a platform which does not
- * provide TryEnterCriticalSection, the bug will be
- * effortlessly avoided.
- */
- (void) FreeLibrary(ptw32_h_kernel32);
- ptw32_h_kernel32 = 0;
- }
-
return result;
}
@@ -235,11 +231,6 @@ pthread_win32_process_detach_np ()
* The DLL is being unmapped into the process's address space
*/
ptw32_processTerminate ();
-
- if (ptw32_h_kernel32)
- {
- (void) FreeLibrary(ptw32_h_kernel32);
- }
}
return TRUE;